Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 31, 12, 10, 57 ]
24
[ "31+12=43", "10+57=67", "67-43=24" ]
Current State: 24:[31, 12, 10, 57], Operations: [] Exploring Operation: 31+12=43, Resulting Numbers: [10, 57, 43] Generated Node #2: [10, 57, 43] from Operation: 31+12=43 Current State: 24:[10, 57, 43], Operations: ['31+12=43'] Exploring Operation: 10+57=67, Resulting Numbers: [43, 67] Generated Node #3: [43, 67] from Operation: 10+57=67 Current State: 24:[43, 67], Operations: ['31+12=43', '10+57=67'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[31, 12, 10, 57], Operations: [] Exploring Operation: 31-10=21, Resulting Numbers: [12, 57, 21] Generated Node #0,0: 24:[12, 57, 21] Operation: 31-10=21 Exploring Operation: 57-12=45, Resulting Numbers: [31, 10, 45] Generated Node #0,1: 24:[31, 10, 45] Operation: 57-12=45 Exploring Operation: 57-10=47, Resulting Numbers: [31, 12, 47] Generated Node #0,2: 24:[31, 12, 47] Operation: 57-10=47 Exploring Operation: 31-12=19, Resulting Numbers: [10, 57, 19] Generated Node #0,3: 24:[10, 57, 19] Operation: 31-12=19 Exploring Operation: 57-31=26, Resulting Numbers: [12, 10, 26] Generated Node #0,4: 24:[12, 10, 26] Operation: 57-31=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 24:[12, 10, 26], Operations: ['57-31=26'] Exploring Operation: 12+10=22, Resulting Numbers: [26, 22] Generated Node #0,4,0: 24:[26, 22] Operation: 12+10=22 Exploring Operation: 12-10=2, Resulting Numbers: [26, 2] Generated Node #0,4,1: 24:[26, 2] Operation: 12-10=2 Exploring Operation: 26-12=14, Resulting Numbers: [10, 14] Generated Node #0,4,2: 24:[10, 14] Operation: 26-12=14 Exploring Operation: 10+26=36, Resulting Numbers: [12, 36] Generated Node #0,4,3: 24:[12, 36] Operation: 10+26=36 Exploring Operation: 26-10=16, Resulting Numbers: [12, 16] Generated Node #0,4,4: 24:[12, 16] Operation: 26-10=16 Moving to Node #0,4,1 Current State: 24:[26, 2], Operations: ['57-31=26', '12-10=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[31, 12, 10, 57], Operations: [] Exploring Operation: 57-31=26, Resulting Numbers: [12, 10, 26] Generated Node #0,4: 24:[12, 10, 26] Operation: 57-31=26 Moving to Node #0,4 Current State: 24:[12, 10, 26], Operations: ['57-31=26'] Exploring Operation: 12-10=2, Resulting Numbers: [26, 2] Generated Node #0,4,1: 24:[26, 2] Operation: 12-10=2 Moving to Node #0,4,1 Current State: 24:[26, 2], Operations: ['57-31=26', '12-10=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 52, 27, 69, 44 ]
54
[ "52+27=79", "69-44=25", "79-25=54" ]
Current State: 54:[52, 27, 69, 44], Operations: [] Exploring Operation: 52+27=79, Resulting Numbers: [69, 44, 79] Generated Node #2: [69, 44, 79] from Operation: 52+27=79 Current State: 54:[69, 44, 79], Operations: ['52+27=79'] Exploring Operation: 69-44=25, Resulting Numbers: [79, 25] Generated Node #3: [79, 25] from Operation: 69-44=25 Current State: 54:[79, 25], Operations: ['52+27=79', '69-44=25'] Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[52, 27, 69, 44], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [27, 44, 17] Generated Node #0,0: 54:[27, 44, 17] Operation: 69-52=17 Exploring Operation: 69-44=25, Resulting Numbers: [52, 27, 25] Generated Node #0,1: 54:[52, 27, 25] Operation: 69-44=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[52, 27, 25], Operations: ['69-44=25'] Exploring Operation: 27-25=2, Resulting Numbers: [52, 2] Generated Node #0,1,0: 54:[52, 2] Operation: 27-25=2 Exploring Operation: 52-25=27, Resulting Numbers: [27, 27] Generated Node #0,1,1: 54:[27, 27] Operation: 52-25=27 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[27, 27], Operations: ['69-44=25', '52-25=27'] Exploring Operation: 27/27=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 27+27=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[52, 27, 69, 44], Operations: [] Exploring Operation: 69-44=25, Resulting Numbers: [52, 27, 25] Generated Node #0,1: 54:[52, 27, 25] Operation: 69-44=25 Moving to Node #0,1 Current State: 54:[52, 27, 25], Operations: ['69-44=25'] Exploring Operation: 52-25=27, Resulting Numbers: [27, 27] Generated Node #0,1,1: 54:[27, 27] Operation: 52-25=27 Moving to Node #0,1,1 Current State: 54:[27, 27], Operations: ['69-44=25', '52-25=27'] Exploring Operation: 27+27=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 23, 87, 39, 72 ]
97
[ "87-23=64", "72-39=33", "64+33=97" ]
Current State: 97:[23, 87, 39, 72], Operations: [] Exploring Operation: 87-23=64, Resulting Numbers: [39, 72, 64] Generated Node #2: [39, 72, 64] from Operation: 87-23=64 Current State: 97:[39, 72, 64], Operations: ['87-23=64'] Exploring Operation: 72-39=33, Resulting Numbers: [64, 33] Generated Node #3: [64, 33] from Operation: 72-39=33 Current State: 97:[64, 33], Operations: ['87-23=64', '72-39=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[23, 87, 39, 72], Operations: [] Exploring Operation: 23+72=95, Resulting Numbers: [87, 39, 95] Generated Node #0,0: 97:[87, 39, 95] Operation: 23+72=95 Exploring Operation: 23+39=62, Resulting Numbers: [87, 72, 62] Generated Node #0,1: 97:[87, 72, 62] Operation: 23+39=62 Moving to Node #0,0 Current State: 97:[87, 39, 95], Operations: ['23+72=95'] Exploring Operation: 39+95=134, Resulting Numbers: [87, 134] Generated Node #0,0,0: 97:[87, 134] Operation: 39+95=134 Exploring Operation: 87+39=126, Resulting Numbers: [95, 126] Generated Node #0,0,1: 97:[95, 126] Operation: 87+39=126 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[95, 126], Operations: ['23+72=95', '87+39=126'] Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[87, 134], Operations: ['23+72=95', '39+95=134'] Exploring Operation: 134-87=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 87+134=221, Resulting Numbers: [221] 221,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[87, 72, 62], Operations: ['23+39=62'] Exploring Operation: 87+62=149, Resulting Numbers: [72, 149] Generated Node #0,1,0: 97:[72, 149] Operation: 87+62=149 Exploring Operation: 72+62=134, Resulting Numbers: [87, 134] Generated Node #0,1,1: 97:[87, 134] Operation: 72+62=134 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[87, 134], Operations: ['23+39=62', '72+62=134'] Exploring Operation: 134-87=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 87+134=221, Resulting Numbers: [221] 221,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[72, 149], Operations: ['23+39=62', '87+62=149'] Exploring Operation: 149-72=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 72+149=221, Resulting Numbers: [221] 221,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 25, 27, 36, 15 ]
73
[ "25+27=52", "36-15=21", "52+21=73" ]
Current State: 73:[25, 27, 36, 15], Operations: [] Exploring Operation: 25+27=52, Resulting Numbers: [36, 15, 52] Generated Node #2: [36, 15, 52] from Operation: 25+27=52 Current State: 73:[36, 15, 52], Operations: ['25+27=52'] Exploring Operation: 36-15=21, Resulting Numbers: [52, 21] Generated Node #3: [52, 21] from Operation: 36-15=21 Current State: 73:[52, 21], Operations: ['25+27=52', '36-15=21'] Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[25, 27, 36, 15], Operations: [] Exploring Operation: 25+27=52, Resulting Numbers: [36, 15, 52] Generated Node #0,0: 73:[36, 15, 52] Operation: 25+27=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[36, 15, 52], Operations: ['25+27=52'] Exploring Operation: 36+15=51, Resulting Numbers: [52, 51] Generated Node #0,0,0: 73:[52, 51] Operation: 36+15=51 Moving to Node #0,0,0 Current State: 73:[52, 51], Operations: ['25+27=52', '36+15=51'] Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 3, 6, 26, 49 ]
25
[ "6-3=3", "26+49=75", "75/3=25" ]
Current State: 25:[3, 6, 26, 49], Operations: [] Exploring Operation: 6-3=3, Resulting Numbers: [26, 49, 3] Generated Node #2: [26, 49, 3] from Operation: 6-3=3 Current State: 25:[26, 49, 3], Operations: ['6-3=3'] Exploring Operation: 26+49=75, Resulting Numbers: [3, 75] Generated Node #3: [3, 75] from Operation: 26+49=75 Current State: 25:[3, 75], Operations: ['6-3=3', '26+49=75'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[3, 6, 26, 49], Operations: [] Exploring Operation: 26-3=23, Resulting Numbers: [6, 49, 23] Generated Node #0,0: 25:[6, 49, 23] Operation: 26-3=23 Exploring Operation: 6-3=3, Resulting Numbers: [26, 49, 3] Generated Node #0,1: 25:[26, 49, 3] Operation: 6-3=3 Exploring Operation: 49-3=46, Resulting Numbers: [6, 26, 46] Generated Node #0,2: 25:[6, 26, 46] Operation: 49-3=46 Exploring Operation: 49-26=23, Resulting Numbers: [3, 6, 23] Generated Node #0,3: 25:[3, 6, 23] Operation: 49-26=23 Exploring Operation: 49-6=43, Resulting Numbers: [3, 26, 43] Generated Node #0,4: 25:[3, 26, 43] Operation: 49-6=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[3, 6, 23], Operations: ['49-26=23'] Exploring Operation: 23-3=20, Resulting Numbers: [6, 20] Generated Node #0,3,0: 25:[6, 20] Operation: 23-3=20 Exploring Operation: 3+6=9, Resulting Numbers: [23, 9] Generated Node #0,3,1: 25:[23, 9] Operation: 3+6=9 Exploring Operation: 6/3=2, Resulting Numbers: [23, 2] Generated Node #0,3,2: 25:[23, 2] Operation: 6/3=2 Exploring Operation: 3+23=26, Resulting Numbers: [6, 26] Generated Node #0,3,3: 25:[6, 26] Operation: 3+23=26 Exploring Operation: 6-3=3, Resulting Numbers: [23, 3] Generated Node #0,3,4: 25:[23, 3] Operation: 6-3=3 Moving to Node #0,3,3 Current State: 25:[6, 26], Operations: ['49-26=23', '3+23=26'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,25 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[23, 3], Operations: ['49-26=23', '6-3=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[23, 2], Operations: ['49-26=23', '6/3=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[3, 6, 26, 49], Operations: [] Exploring Operation: 49-26=23, Resulting Numbers: [3, 6, 23] Generated Node #0,3: 25:[3, 6, 23] Operation: 49-26=23 Moving to Node #0,3 Current State: 25:[3, 6, 23], Operations: ['49-26=23'] Exploring Operation: 6/3=2, Resulting Numbers: [23, 2] Generated Node #0,3,2: 25:[23, 2] Operation: 6/3=2 Moving to Node #0,3,2 Current State: 25:[23, 2], Operations: ['49-26=23', '6/3=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 91, 32, 72, 77 ]
69
[ "77-72=5", "32*5=160", "160-91=69" ]
Current State: 69:[91, 32, 72, 77], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [91, 32, 5] Generated Node #2: [91, 32, 5] from Operation: 77-72=5 Current State: 69:[91, 32, 5], Operations: ['77-72=5'] Exploring Operation: 32*5=160, Resulting Numbers: [91, 160] Generated Node #3: [91, 160] from Operation: 32*5=160 Current State: 69:[91, 160], Operations: ['77-72=5', '32*5=160'] Exploring Operation: 160-91=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[91, 32, 72, 77], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [32, 72, 14] Generated Node #0,0: 69:[32, 72, 14] Operation: 91-77=14 Exploring Operation: 91-72=19, Resulting Numbers: [32, 77, 19] Generated Node #0,1: 69:[32, 77, 19] Operation: 91-72=19 Exploring Operation: 91-32=59, Resulting Numbers: [72, 77, 59] Generated Node #0,2: 69:[72, 77, 59] Operation: 91-32=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[32, 72, 14], Operations: ['91-77=14'] Exploring Operation: 72-14=58, Resulting Numbers: [32, 58] Generated Node #0,0,0: 69:[32, 58] Operation: 72-14=58 Exploring Operation: 32-14=18, Resulting Numbers: [72, 18] Generated Node #0,0,1: 69:[72, 18] Operation: 32-14=18 Exploring Operation: 72-32=40, Resulting Numbers: [14, 40] Generated Node #0,0,2: 69:[14, 40] Operation: 72-32=40 Moving to Node #0,0,1 Current State: 69:[72, 18], Operations: ['91-77=14', '32-14=18'] Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 72-18=54, Resulting Numbers: [54] 54,69 unequal: No Solution Exploring Operation: 72+18=90, Resulting Numbers: [90] 90,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[32, 58], Operations: ['91-77=14', '72-14=58'] Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,69 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,69 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[14, 40], Operations: ['91-77=14', '72-32=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,69 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,69 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[32, 77, 19], Operations: ['91-72=19'] Exploring Operation: 77-32=45, Resulting Numbers: [19, 45] Generated Node #0,1,0: 69:[19, 45] Operation: 77-32=45 Exploring Operation: 77-19=58, Resulting Numbers: [32, 58] Generated Node #0,1,1: 69:[32, 58] Operation: 77-19=58 Exploring Operation: 32-19=13, Resulting Numbers: [77, 13] Generated Node #0,1,2: 69:[77, 13] Operation: 32-19=13 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[77, 13], Operations: ['91-72=19', '32-19=13'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,69 unequal: No Solution Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[32, 58], Operations: ['91-72=19', '77-19=58'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,69 unequal: No Solution Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,69 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[19, 45], Operations: ['91-72=19', '77-32=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,69 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,69 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[72, 77, 59], Operations: ['91-32=59'] Exploring Operation: 77-72=5, Resulting Numbers: [59, 5] Generated Node #0,2,0: 69:[59, 5] Operation: 77-72=5 Exploring Operation: 77-59=18, Resulting Numbers: [72, 18] Generated Node #0,2,1: 69:[72, 18] Operation: 77-59=18 Exploring Operation: 72-59=13, Resulting Numbers: [77, 13] Generated Node #0,2,2: 69:[77, 13] Operation: 72-59=13 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[72, 18], Operations: ['91-32=59', '77-59=18'] Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 72-18=54, Resulting Numbers: [54] 54,69 unequal: No Solution Exploring Operation: 72+18=90, Resulting Numbers: [90] 90,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[59, 5], Operations: ['91-32=59', '77-72=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,69 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[77, 13], Operations: ['91-32=59', '72-59=13'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,69 unequal: No Solution Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 84, 11, 8, 68 ]
22
[ "84-68=16", "11*16=176", "176/8=22" ]
Current State: 22:[84, 11, 8, 68], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [11, 8, 16] Generated Node #2: [11, 8, 16] from Operation: 84-68=16 Current State: 22:[11, 8, 16], Operations: ['84-68=16'] Exploring Operation: 11*16=176, Resulting Numbers: [8, 176] Generated Node #3: [8, 176] from Operation: 11*16=176 Current State: 22:[8, 176], Operations: ['84-68=16', '11*16=176'] Exploring Operation: 176/8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[84, 11, 8, 68], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [11, 8, 16] Generated Node #0,0: 22:[11, 8, 16] Operation: 84-68=16 Moving to Node #0,0 Current State: 22:[11, 8, 16], Operations: ['84-68=16'] Exploring Operation: 16/8=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 22:[11, 2] Operation: 16/8=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[11, 2], Operations: ['84-68=16', '16/8=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[84, 11, 8, 68], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [11, 8, 16] Generated Node #0,0: 22:[11, 8, 16] Operation: 84-68=16 Moving to Node #0,0 Current State: 22:[11, 8, 16], Operations: ['84-68=16'] Exploring Operation: 16/8=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 22:[11, 2] Operation: 16/8=2 Moving to Node #0,0,0 Current State: 22:[11, 2], Operations: ['84-68=16', '16/8=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 62, 41, 30, 61 ]
27
[ "62+61=123", "123/41=3", "30-3=27" ]
Current State: 27:[62, 41, 30, 61], Operations: [] Exploring Operation: 62+61=123, Resulting Numbers: [41, 30, 123] Generated Node #2: [41, 30, 123] from Operation: 62+61=123 Current State: 27:[41, 30, 123], Operations: ['62+61=123'] Exploring Operation: 123/41=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 123/41=3 Current State: 27:[30, 3], Operations: ['62+61=123', '123/41=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[62, 41, 30, 61], Operations: [] Exploring Operation: 62-61=1, Resulting Numbers: [41, 30, 1] Generated Node #0,0: 27:[41, 30, 1] Operation: 62-61=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[41, 30, 1], Operations: ['62-61=1'] Exploring Operation: 41-30=11, Resulting Numbers: [1, 11] Generated Node #0,0,0: 27:[1, 11] Operation: 41-30=11 Moving to Node #0,0,0 Current State: 27:[1, 11], Operations: ['62-61=1', '41-30=11'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 41, 46, 22 ]
19
[ "41+46=87", "87/29=3", "22-3=19" ]
Current State: 19:[29, 41, 46, 22], Operations: [] Exploring Operation: 41+46=87, Resulting Numbers: [29, 22, 87] Generated Node #2: [29, 22, 87] from Operation: 41+46=87 Current State: 19:[29, 22, 87], Operations: ['41+46=87'] Exploring Operation: 87/29=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 87/29=3 Current State: 19:[22, 3], Operations: ['41+46=87', '87/29=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[29, 41, 46, 22], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [41, 22, 17] Generated Node #0,0: 19:[41, 22, 17] Operation: 46-29=17 Exploring Operation: 46-41=5, Resulting Numbers: [29, 22, 5] Generated Node #0,1: 19:[29, 22, 5] Operation: 46-41=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[41, 22, 17], Operations: ['46-29=17'] Exploring Operation: 41-17=24, Resulting Numbers: [22, 24] Generated Node #0,0,0: 19:[22, 24] Operation: 41-17=24 Exploring Operation: 41-22=19, Resulting Numbers: [17, 19] Generated Node #0,0,1: 19:[17, 19] Operation: 41-22=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[17, 19], Operations: ['46-29=17', '41-22=19'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[22, 24], Operations: ['46-29=17', '41-17=24'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[29, 22, 5], Operations: ['46-41=5'] Exploring Operation: 22-5=17, Resulting Numbers: [29, 17] Generated Node #0,1,0: 19:[29, 17] Operation: 22-5=17 Exploring Operation: 29-5=24, Resulting Numbers: [22, 24] Generated Node #0,1,1: 19:[22, 24] Operation: 29-5=24 Moving to Node #0,1,1 Current State: 19:[22, 24], Operations: ['46-41=5', '29-5=24'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[29, 17], Operations: ['46-41=5', '22-5=17'] Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 47, 66, 90, 44 ]
65
[ "66-47=19", "90-44=46", "19+46=65" ]
Current State: 65:[47, 66, 90, 44], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [90, 44, 19] Generated Node #2: [90, 44, 19] from Operation: 66-47=19 Current State: 65:[90, 44, 19], Operations: ['66-47=19'] Exploring Operation: 90-44=46, Resulting Numbers: [19, 46] Generated Node #3: [19, 46] from Operation: 90-44=46 Current State: 65:[19, 46], Operations: ['66-47=19', '90-44=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[47, 66, 90, 44], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [66, 90, 3] Generated Node #0,0: 65:[66, 90, 3] Operation: 47-44=3 Exploring Operation: 90-44=46, Resulting Numbers: [47, 66, 46] Generated Node #0,1: 65:[47, 66, 46] Operation: 90-44=46 Moving to Node #0,0 Current State: 65:[66, 90, 3], Operations: ['47-44=3'] Exploring Operation: 90/3=30, Resulting Numbers: [66, 30] Generated Node #0,0,0: 65:[66, 30] Operation: 90/3=30 Exploring Operation: 90-66=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 65:[3, 24] Operation: 90-66=24 Moving to Node #0,1 Current State: 65:[47, 66, 46], Operations: ['90-44=46'] Exploring Operation: 47-46=1, Resulting Numbers: [66, 1] Generated Node #0,1,0: 65:[66, 1] Operation: 47-46=1 Exploring Operation: 66-47=19, Resulting Numbers: [46, 19] Generated Node #0,1,1: 65:[46, 19] Operation: 66-47=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[66, 1], Operations: ['90-44=46', '47-46=1'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[47, 66, 90, 44], Operations: [] Exploring Operation: 90-44=46, Resulting Numbers: [47, 66, 46] Generated Node #0,1: 65:[47, 66, 46] Operation: 90-44=46 Moving to Node #0,1 Current State: 65:[47, 66, 46], Operations: ['90-44=46'] Exploring Operation: 47-46=1, Resulting Numbers: [66, 1] Generated Node #0,1,0: 65:[66, 1] Operation: 47-46=1 Moving to Node #0,1,0 Current State: 65:[66, 1], Operations: ['90-44=46', '47-46=1'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 53, 67, 19, 52 ]
86
[ "53-52=1", "67+19=86", "1*86=86" ]
Current State: 86:[53, 67, 19, 52], Operations: [] Exploring Operation: 53-52=1, Resulting Numbers: [67, 19, 1] Generated Node #2: [67, 19, 1] from Operation: 53-52=1 Current State: 86:[67, 19, 1], Operations: ['53-52=1'] Exploring Operation: 67+19=86, Resulting Numbers: [1, 86] Generated Node #3: [1, 86] from Operation: 67+19=86 Current State: 86:[1, 86], Operations: ['53-52=1', '67+19=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[53, 67, 19, 52], Operations: [] Exploring Operation: 67-19=48, Resulting Numbers: [53, 52, 48] Generated Node #0,0: 86:[53, 52, 48] Operation: 67-19=48 Exploring Operation: 67+19=86, Resulting Numbers: [53, 52, 86] Generated Node #0,1: 86:[53, 52, 86] Operation: 67+19=86 Exploring Operation: 53-52=1, Resulting Numbers: [67, 19, 1] Generated Node #0,2: 86:[67, 19, 1] Operation: 53-52=1 Exploring Operation: 53-19=34, Resulting Numbers: [67, 52, 34] Generated Node #0,3: 86:[67, 52, 34] Operation: 53-19=34 Moving to Node #0,1 Current State: 86:[53, 52, 86], Operations: ['67+19=86'] Exploring Operation: 53+52=105, Resulting Numbers: [86, 105] Generated Node #0,1,0: 86:[86, 105] Operation: 53+52=105 Exploring Operation: 53-52=1, Resulting Numbers: [86, 1] Generated Node #0,1,1: 86:[86, 1] Operation: 53-52=1 Exploring Operation: 86-52=34, Resulting Numbers: [53, 34] Generated Node #0,1,2: 86:[53, 34] Operation: 86-52=34 Exploring Operation: 86-53=33, Resulting Numbers: [52, 33] Generated Node #0,1,3: 86:[52, 33] Operation: 86-53=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[86, 1], Operations: ['67+19=86', '53-52=1'] Exploring Operation: 86+1=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[53, 67, 19, 52], Operations: [] Exploring Operation: 67+19=86, Resulting Numbers: [53, 52, 86] Generated Node #0,1: 86:[53, 52, 86] Operation: 67+19=86 Moving to Node #0,1 Current State: 86:[53, 52, 86], Operations: ['67+19=86'] Exploring Operation: 53-52=1, Resulting Numbers: [86, 1] Generated Node #0,1,1: 86:[86, 1] Operation: 53-52=1 Moving to Node #0,1,1 Current State: 86:[86, 1], Operations: ['67+19=86', '53-52=1'] Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 41, 15, 38, 18 ]
39
[ "41-38=3", "18*3=54", "54-15=39" ]
Current State: 39:[41, 15, 38, 18], Operations: [] Exploring Operation: 41-38=3, Resulting Numbers: [15, 18, 3] Generated Node #2: [15, 18, 3] from Operation: 41-38=3 Current State: 39:[15, 18, 3], Operations: ['41-38=3'] Exploring Operation: 18*3=54, Resulting Numbers: [15, 54] Generated Node #3: [15, 54] from Operation: 18*3=54 Current State: 39:[15, 54], Operations: ['41-38=3', '18*3=54'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[41, 15, 38, 18], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [15, 38, 23] Generated Node #0,0: 39:[15, 38, 23] Operation: 41-18=23 Exploring Operation: 18-15=3, Resulting Numbers: [41, 38, 3] Generated Node #0,1: 39:[41, 38, 3] Operation: 18-15=3 Exploring Operation: 38-18=20, Resulting Numbers: [41, 15, 20] Generated Node #0,2: 39:[41, 15, 20] Operation: 38-18=20 Exploring Operation: 15+18=33, Resulting Numbers: [41, 38, 33] Generated Node #0,3: 39:[41, 38, 33] Operation: 15+18=33 Exploring Operation: 41-38=3, Resulting Numbers: [15, 18, 3] Generated Node #0,4: 39:[15, 18, 3] Operation: 41-38=3 Moving to Node #0,1 Current State: 39:[41, 38, 3], Operations: ['18-15=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38, 38] Generated Node #0,1,0: 39:[38, 38] Operation: 41-3=38 Exploring Operation: 41-38=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 39:[3, 3] Operation: 41-38=3 Exploring Operation: 38+3=41, Resulting Numbers: [41, 41] Generated Node #0,1,2: 39:[41, 41] Operation: 38+3=41 Exploring Operation: 38-3=35, Resulting Numbers: [41, 35] Generated Node #0,1,3: 39:[41, 35] Operation: 38-3=35 Exploring Operation: 41+3=44, Resulting Numbers: [38, 44] Generated Node #0,1,4: 39:[38, 44] Operation: 41+3=44 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[3, 3], Operations: ['18-15=3', '41-38=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[38, 38], Operations: ['18-15=3', '41-3=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 38*38=1444, Resulting Numbers: [1444] 1444,39 unequal: No Solution Exploring Operation: 38-38=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 38/38=1, Resulting Numbers: [1] 1,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[41, 41], Operations: ['18-15=3', '38+3=41'] Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,39 unequal: No Solution Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[41, 35], Operations: ['18-15=3', '38-3=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[38, 44], Operations: ['18-15=3', '41+3=44'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 39:[15, 18, 3], Operations: ['41-38=3'] Exploring Operation: 15+18=33, Resulting Numbers: [3, 33] Generated Node #0,4,0: 39:[3, 33] Operation: 15+18=33 Exploring Operation: 15-3=12, Resulting Numbers: [18, 12] Generated Node #0,4,1: 39:[18, 12] Operation: 15-3=12 Exploring Operation: 18/3=6, Resulting Numbers: [15, 6] Generated Node #0,4,2: 39:[15, 6] Operation: 18/3=6 Exploring Operation: 18-15=3, Resulting Numbers: [3, 3] Generated Node #0,4,3: 39:[3, 3] Operation: 18-15=3 Exploring Operation: 18-3=15, Resulting Numbers: [15, 15] Generated Node #0,4,4: 39:[15, 15] Operation: 18-3=15 Moving to Node #0,3 Current State: 39:[41, 38, 33], Operations: ['15+18=33'] Exploring Operation: 41-38=3, Resulting Numbers: [33, 3] Generated Node #0,3,0: 39:[33, 3] Operation: 41-38=3 Exploring Operation: 41+33=74, Resulting Numbers: [38, 74] Generated Node #0,3,1: 39:[38, 74] Operation: 41+33=74 Exploring Operation: 38-33=5, Resulting Numbers: [41, 5] Generated Node #0,3,2: 39:[41, 5] Operation: 38-33=5 Exploring Operation: 41-33=8, Resulting Numbers: [38, 8] Generated Node #0,3,3: 39:[38, 8] Operation: 41-33=8 Exploring Operation: 38+33=71, Resulting Numbers: [41, 71] Generated Node #0,3,4: 39:[41, 71] Operation: 38+33=71 Moving to Node #0,2 Current State: 39:[41, 15, 20], Operations: ['38-18=20'] Exploring Operation: 41+15=56, Resulting Numbers: [20, 56] Generated Node #0,2,0: 39:[20, 56] Operation: 41+15=56 Exploring Operation: 41-20=21, Resulting Numbers: [15, 21] Generated Node #0,2,1: 39:[15, 21] Operation: 41-20=21 Exploring Operation: 15+20=35, Resulting Numbers: [41, 35] Generated Node #0,2,2: 39:[41, 35] Operation: 15+20=35 Exploring Operation: 20-15=5, Resulting Numbers: [41, 5] Generated Node #0,2,3: 39:[41, 5] Operation: 20-15=5 Exploring Operation: 41-15=26, Resulting Numbers: [20, 26] Generated Node #0,2,4: 39:[20, 26] Operation: 41-15=26 Moving to Node #0,0 Current State: 39:[15, 38, 23], Operations: ['41-18=23'] Exploring Operation: 38-15=23, Resulting Numbers: [23, 23] Generated Node #0,0,0: 39:[23, 23] Operation: 38-15=23 Exploring Operation: 23-15=8, Resulting Numbers: [38, 8] Generated Node #0,0,1: 39:[38, 8] Operation: 23-15=8 Exploring Operation: 15+23=38, Resulting Numbers: [38, 38] Generated Node #0,0,2: 39:[38, 38] Operation: 15+23=38 Exploring Operation: 15+38=53, Resulting Numbers: [23, 53] Generated Node #0,0,3: 39:[23, 53] Operation: 15+38=53 Exploring Operation: 38-23=15, Resulting Numbers: [15, 15] Generated Node #0,0,4: 39:[15, 15] Operation: 38-23=15 Moving to Node #0,4,3 Current State: 39:[3, 3], Operations: ['41-38=3', '18-15=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[38, 38], Operations: ['41-18=23', '15+23=38'] Exploring Operation: 38-38=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 38*38=1444, Resulting Numbers: [1444] 1444,39 unequal: No Solution Exploring Operation: 38/38=1, Resulting Numbers: [1] 1,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[41, 5], Operations: ['15+18=33', '38-33=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[41, 5], Operations: ['38-18=20', '20-15=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,39 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,39 unequal: No Solution Moving to Node #0,4,4 Current State: 39:[15, 15], Operations: ['41-38=3', '18-3=15'] Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,39 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[15, 15], Operations: ['41-18=23', '38-23=15'] Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,39 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[15, 6], Operations: ['41-38=3', '18/3=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[33, 3], Operations: ['15+18=33', '41-38=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[41, 35], Operations: ['38-18=20', '15+20=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,39 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[18, 12], Operations: ['41-38=3', '15-3=12'] Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,39 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[38, 8], Operations: ['15+18=33', '41-33=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,39 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[38, 8], Operations: ['41-18=23', '23-15=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,39 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[3, 33], Operations: ['41-38=3', '15+18=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[15, 21], Operations: ['38-18=20', '41-20=21'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,39 unequal: No Solution Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[20, 26], Operations: ['38-18=20', '41-15=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,39 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[23, 23], Operations: ['41-18=23', '38-15=23'] Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,39 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[23, 53], Operations: ['41-18=23', '15+38=53'] Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 23*53=1219, Resulting Numbers: [1219] 1219,39 unequal: No Solution Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[20, 56], Operations: ['38-18=20', '41+15=56'] Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,39 unequal: No Solution Moving to Node #0,3,4 Current State: 39:[41, 71], Operations: ['15+18=33', '38+33=71'] Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[38, 74], Operations: ['15+18=33', '41+33=74'] Exploring Operation: 38*74=2812, Resulting Numbers: [2812] 2812,39 unequal: No Solution Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 38+74=112, Resulting Numbers: [112] 112,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 92, 48, 68, 58 ]
29
[ "92-68=24", "48/24=2", "58/2=29" ]
Current State: 29:[92, 48, 68, 58], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [48, 58, 24] Generated Node #2: [48, 58, 24] from Operation: 92-68=24 Current State: 29:[48, 58, 24], Operations: ['92-68=24'] Exploring Operation: 48/24=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 48/24=2 Current State: 29:[58, 2], Operations: ['92-68=24', '48/24=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[92, 48, 68, 58], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [92, 58, 20] Generated Node #0,0: 29:[92, 58, 20] Operation: 68-48=20 Exploring Operation: 92-48=44, Resulting Numbers: [68, 58, 44] Generated Node #0,1: 29:[68, 58, 44] Operation: 92-48=44 Exploring Operation: 92-58=34, Resulting Numbers: [48, 68, 34] Generated Node #0,2: 29:[48, 68, 34] Operation: 92-58=34 Exploring Operation: 92-68=24, Resulting Numbers: [48, 58, 24] Generated Node #0,3: 29:[48, 58, 24] Operation: 92-68=24 Exploring Operation: 68-58=10, Resulting Numbers: [92, 48, 10] Generated Node #0,4: 29:[92, 48, 10] Operation: 68-58=10 Moving to Node #0,3 Current State: 29:[48, 58, 24], Operations: ['92-68=24'] Exploring Operation: 48+24=72, Resulting Numbers: [58, 72] Generated Node #0,3,0: 29:[58, 72] Operation: 48+24=72 Exploring Operation: 48-24=24, Resulting Numbers: [58, 24] Generated Node #0,3,1: 29:[58, 24] Operation: 48-24=24 Exploring Operation: 58-24=34, Resulting Numbers: [48, 34] Generated Node #0,3,2: 29:[48, 34] Operation: 58-24=34 Exploring Operation: 58-48=10, Resulting Numbers: [24, 10] Generated Node #0,3,3: 29:[24, 10] Operation: 58-48=10 Exploring Operation: 48/24=2, Resulting Numbers: [58, 2] Generated Node #0,3,4: 29:[58, 2] Operation: 48/24=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 29:[48, 34], Operations: ['92-68=24', '58-24=34'] Exploring Operation: 48+34=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 48*34=1632, Resulting Numbers: [1632] 1632,29 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[24, 10], Operations: ['92-68=24', '58-48=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,29 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[58, 24], Operations: ['92-68=24', '48-24=24'] Exploring Operation: 58*24=1392, Resulting Numbers: [1392] 1392,29 unequal: No Solution Exploring Operation: 58+24=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 29:[58, 2], Operations: ['92-68=24', '48/24=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[92, 48, 68, 58], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [48, 58, 24] Generated Node #0,3: 29:[48, 58, 24] Operation: 92-68=24 Moving to Node #0,3 Current State: 29:[48, 58, 24], Operations: ['92-68=24'] Exploring Operation: 48/24=2, Resulting Numbers: [58, 2] Generated Node #0,3,4: 29:[58, 2] Operation: 48/24=2 Moving to Node #0,3,4 Current State: 29:[58, 2], Operations: ['92-68=24', '48/24=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 55, 11, 6, 48 ]
31
[ "55-48=7", "6*7=42", "42-11=31" ]
Current State: 31:[55, 11, 6, 48], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [11, 6, 7] Generated Node #2: [11, 6, 7] from Operation: 55-48=7 Current State: 31:[11, 6, 7], Operations: ['55-48=7'] Exploring Operation: 6*7=42, Resulting Numbers: [11, 42] Generated Node #3: [11, 42] from Operation: 6*7=42 Current State: 31:[11, 42], Operations: ['55-48=7', '6*7=42'] Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[55, 11, 6, 48], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [6, 48, 44] Generated Node #0,0: 31:[6, 48, 44] Operation: 55-11=44 Exploring Operation: 11+6=17, Resulting Numbers: [55, 48, 17] Generated Node #0,1: 31:[55, 48, 17] Operation: 11+6=17 Exploring Operation: 48-11=37, Resulting Numbers: [55, 6, 37] Generated Node #0,2: 31:[55, 6, 37] Operation: 48-11=37 Exploring Operation: 55-6=49, Resulting Numbers: [11, 48, 49] Generated Node #0,3: 31:[11, 48, 49] Operation: 55-6=49 Moving to Node #0,0 Current State: 31:[6, 48, 44], Operations: ['55-11=44'] Exploring Operation: 48-6=42, Resulting Numbers: [44, 42] Generated Node #0,0,0: 31:[44, 42] Operation: 48-6=42 Exploring Operation: 44-6=38, Resulting Numbers: [48, 38] Generated Node #0,0,1: 31:[48, 38] Operation: 44-6=38 Exploring Operation: 48/6=8, Resulting Numbers: [44, 8] Generated Node #0,0,2: 31:[44, 8] Operation: 48/6=8 Exploring Operation: 6+48=54, Resulting Numbers: [44, 54] Generated Node #0,0,3: 31:[44, 54] Operation: 6+48=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[44, 42], Operations: ['55-11=44', '48-6=42'] Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,31 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[48, 38], Operations: ['55-11=44', '44-6=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[44, 8], Operations: ['55-11=44', '48/6=8'] Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,31 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[44, 54], Operations: ['55-11=44', '6+48=54'] Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,31 unequal: No Solution Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 31:[55, 6, 37], Operations: ['48-11=37'] Exploring Operation: 55-6=49, Resulting Numbers: [37, 49] Generated Node #0,2,0: 31:[37, 49] Operation: 55-6=49 Exploring Operation: 55+6=61, Resulting Numbers: [37, 61] Generated Node #0,2,1: 31:[37, 61] Operation: 55+6=61 Exploring Operation: 6+37=43, Resulting Numbers: [55, 43] Generated Node #0,2,2: 31:[55, 43] Operation: 6+37=43 Exploring Operation: 37-6=31, Resulting Numbers: [55, 31] Generated Node #0,2,3: 31:[55, 31] Operation: 37-6=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[37, 49], Operations: ['48-11=37', '55-6=49'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,31 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[55, 31], Operations: ['48-11=37', '37-6=31'] Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,31 unequal: No Solution Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[37, 61], Operations: ['48-11=37', '55+6=61'] Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,31 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[55, 43], Operations: ['48-11=37', '6+37=43'] Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,31 unequal: No Solution Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,31 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 31:[55, 48, 17], Operations: ['11+6=17'] Exploring Operation: 55+17=72, Resulting Numbers: [48, 72] Generated Node #0,1,0: 31:[48, 72] Operation: 55+17=72 Exploring Operation: 55-17=38, Resulting Numbers: [48, 38] Generated Node #0,1,1: 31:[48, 38] Operation: 55-17=38 Exploring Operation: 48-17=31, Resulting Numbers: [55, 31] Generated Node #0,1,2: 31:[55, 31] Operation: 48-17=31 Exploring Operation: 55-48=7, Resulting Numbers: [17, 7] Generated Node #0,1,3: 31:[17, 7] Operation: 55-48=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[48, 38], Operations: ['11+6=17', '55-17=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[55, 31], Operations: ['11+6=17', '48-17=31'] Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 31:[17, 7], Operations: ['11+6=17', '55-48=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[48, 72], Operations: ['11+6=17', '55+17=72'] Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,31 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 31:[11, 48, 49], Operations: ['55-6=49'] Exploring Operation: 11+48=59, Resulting Numbers: [49, 59] Generated Node #0,3,0: 31:[49, 59] Operation: 11+48=59 Exploring Operation: 11+49=60, Resulting Numbers: [48, 60] Generated Node #0,3,1: 31:[48, 60] Operation: 11+49=60 Exploring Operation: 48-11=37, Resulting Numbers: [49, 37] Generated Node #0,3,2: 31:[49, 37] Operation: 48-11=37 Exploring Operation: 49-11=38, Resulting Numbers: [48, 38] Generated Node #0,3,3: 31:[48, 38] Operation: 49-11=38 Moving to Node #0,3,2 Current State: 31:[49, 37], Operations: ['55-6=49', '48-11=37'] Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,31 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[48, 38], Operations: ['55-6=49', '49-11=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[48, 60], Operations: ['55-6=49', '11+49=60'] Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,31 unequal: No Solution Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,31 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[49, 59], Operations: ['55-6=49', '11+48=59'] Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,31 unequal: No Solution Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,31 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 75, 56, 49, 33 ]
63
[ "75-56=19", "49+33=82", "82-19=63" ]
Current State: 63:[75, 56, 49, 33], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [49, 33, 19] Generated Node #2: [49, 33, 19] from Operation: 75-56=19 Current State: 63:[49, 33, 19], Operations: ['75-56=19'] Exploring Operation: 49+33=82, Resulting Numbers: [19, 82] Generated Node #3: [19, 82] from Operation: 49+33=82 Current State: 63:[19, 82], Operations: ['75-56=19', '49+33=82'] Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[75, 56, 49, 33], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [75, 49, 23] Generated Node #0,0: 63:[75, 49, 23] Operation: 56-33=23 Exploring Operation: 75-49=26, Resulting Numbers: [56, 33, 26] Generated Node #0,1: 63:[56, 33, 26] Operation: 75-49=26 Exploring Operation: 56-49=7, Resulting Numbers: [75, 33, 7] Generated Node #0,2: 63:[75, 33, 7] Operation: 56-49=7 Exploring Operation: 75-56=19, Resulting Numbers: [49, 33, 19] Generated Node #0,3: 63:[49, 33, 19] Operation: 75-56=19 Exploring Operation: 49-33=16, Resulting Numbers: [75, 56, 16] Generated Node #0,4: 63:[75, 56, 16] Operation: 49-33=16 Moving to Node #0,1 Current State: 63:[56, 33, 26], Operations: ['75-49=26'] Exploring Operation: 33+26=59, Resulting Numbers: [56, 59] Generated Node #0,1,0: 63:[56, 59] Operation: 33+26=59 Exploring Operation: 56+33=89, Resulting Numbers: [26, 89] Generated Node #0,1,1: 63:[26, 89] Operation: 56+33=89 Exploring Operation: 56-33=23, Resulting Numbers: [26, 23] Generated Node #0,1,2: 63:[26, 23] Operation: 56-33=23 Exploring Operation: 33-26=7, Resulting Numbers: [56, 7] Generated Node #0,1,3: 63:[56, 7] Operation: 33-26=7 Exploring Operation: 56-26=30, Resulting Numbers: [33, 30] Generated Node #0,1,4: 63:[33, 30] Operation: 56-26=30 Moving to Node #0,4 Current State: 63:[75, 56, 16], Operations: ['49-33=16'] Exploring Operation: 56+16=72, Resulting Numbers: [75, 72] Generated Node #0,4,0: 63:[75, 72] Operation: 56+16=72 Exploring Operation: 56-16=40, Resulting Numbers: [75, 40] Generated Node #0,4,1: 63:[75, 40] Operation: 56-16=40 Exploring Operation: 75+16=91, Resulting Numbers: [56, 91] Generated Node #0,4,2: 63:[56, 91] Operation: 75+16=91 Exploring Operation: 75-16=59, Resulting Numbers: [56, 59] Generated Node #0,4,3: 63:[56, 59] Operation: 75-16=59 Exploring Operation: 75-56=19, Resulting Numbers: [16, 19] Generated Node #0,4,4: 63:[16, 19] Operation: 75-56=19 Moving to Node #0,2 Current State: 63:[75, 33, 7], Operations: ['56-49=7'] Exploring Operation: 75-33=42, Resulting Numbers: [7, 42] Generated Node #0,2,0: 63:[7, 42] Operation: 75-33=42 Exploring Operation: 75-7=68, Resulting Numbers: [33, 68] Generated Node #0,2,1: 63:[33, 68] Operation: 75-7=68 Exploring Operation: 75+7=82, Resulting Numbers: [33, 82] Generated Node #0,2,2: 63:[33, 82] Operation: 75+7=82 Exploring Operation: 33+7=40, Resulting Numbers: [75, 40] Generated Node #0,2,3: 63:[75, 40] Operation: 33+7=40 Exploring Operation: 33-7=26, Resulting Numbers: [75, 26] Generated Node #0,2,4: 63:[75, 26] Operation: 33-7=26 Moving to Node #0,0 Current State: 63:[75, 49, 23], Operations: ['56-33=23'] Exploring Operation: 75-49=26, Resulting Numbers: [23, 26] Generated Node #0,0,0: 63:[23, 26] Operation: 75-49=26 Exploring Operation: 49-23=26, Resulting Numbers: [75, 26] Generated Node #0,0,1: 63:[75, 26] Operation: 49-23=26 Exploring Operation: 75-23=52, Resulting Numbers: [49, 52] Generated Node #0,0,2: 63:[49, 52] Operation: 75-23=52 Exploring Operation: 49+23=72, Resulting Numbers: [75, 72] Generated Node #0,0,3: 63:[75, 72] Operation: 49+23=72 Exploring Operation: 75+23=98, Resulting Numbers: [49, 98] Generated Node #0,0,4: 63:[49, 98] Operation: 75+23=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[23, 26], Operations: ['56-33=23', '75-49=26'] Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[75, 26], Operations: ['56-33=23', '49-23=26'] Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,63 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[75, 72], Operations: ['56-33=23', '49+23=72'] Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 75*72=5400, Resulting Numbers: [5400] 5400,63 unequal: No Solution Exploring Operation: 75+72=147, Resulting Numbers: [147] 147,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[49, 52], Operations: ['56-33=23', '75-23=52'] Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,63 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[49, 98], Operations: ['56-33=23', '75+23=98'] Exploring Operation: 49*98=4802, Resulting Numbers: [4802] 4802,63 unequal: No Solution Exploring Operation: 49+98=147, Resulting Numbers: [147] 147,63 unequal: No Solution Exploring Operation: 98/49=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 98-49=49, Resulting Numbers: [49] 49,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 63:[49, 33, 19], Operations: ['75-56=19'] Exploring Operation: 49-19=30, Resulting Numbers: [33, 30] Generated Node #0,3,0: 63:[33, 30] Operation: 49-19=30 Exploring Operation: 49+19=68, Resulting Numbers: [33, 68] Generated Node #0,3,1: 63:[33, 68] Operation: 49+19=68 Exploring Operation: 49+33=82, Resulting Numbers: [19, 82] Generated Node #0,3,2: 63:[19, 82] Operation: 49+33=82 Exploring Operation: 33-19=14, Resulting Numbers: [49, 14] Generated Node #0,3,3: 63:[49, 14] Operation: 33-19=14 Exploring Operation: 49-33=16, Resulting Numbers: [19, 16] Generated Node #0,3,4: 63:[19, 16] Operation: 49-33=16 Moving to Node #0,1,2 Current State: 63:[26, 23], Operations: ['75-49=26', '56-33=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[16, 19], Operations: ['49-33=16', '75-56=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,63 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[56, 7], Operations: ['75-49=26', '33-26=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,63 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[75, 56, 49, 33], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [56, 33, 26] Generated Node #0,1: 63:[56, 33, 26] Operation: 75-49=26 Moving to Node #0,1 Current State: 63:[56, 33, 26], Operations: ['75-49=26'] Exploring Operation: 33-26=7, Resulting Numbers: [56, 7] Generated Node #0,1,3: 63:[56, 7] Operation: 33-26=7 Moving to Node #0,1,3 Current State: 63:[56, 7], Operations: ['75-49=26', '33-26=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.948785
hs_5
mult_heuristic
[ 9, 69, 75, 72 ]
21
[ "75-69=6", "72/6=12", "9+12=21" ]
Current State: 21:[9, 69, 75, 72], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [9, 72, 6] Generated Node #2: [9, 72, 6] from Operation: 75-69=6 Current State: 21:[9, 72, 6], Operations: ['75-69=6'] Exploring Operation: 72/6=12, Resulting Numbers: [9, 12] Generated Node #3: [9, 12] from Operation: 72/6=12 Current State: 21:[9, 12], Operations: ['75-69=6', '72/6=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[9, 69, 75, 72], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [9, 72, 6] Generated Node #0,0: 21:[9, 72, 6] Operation: 75-69=6 Exploring Operation: 75-72=3, Resulting Numbers: [9, 69, 3] Generated Node #0,1: 21:[9, 69, 3] Operation: 75-72=3 Moving to Node #0,1 Current State: 21:[9, 69, 3], Operations: ['75-72=3'] Exploring Operation: 69-9=60, Resulting Numbers: [3, 60] Generated Node #0,1,0: 21:[3, 60] Operation: 69-9=60 Exploring Operation: 69/3=23, Resulting Numbers: [9, 23] Generated Node #0,1,1: 21:[9, 23] Operation: 69/3=23 Moving to Node #0,0 Current State: 21:[9, 72, 6], Operations: ['75-69=6'] Exploring Operation: 72/6=12, Resulting Numbers: [9, 12] Generated Node #0,0,0: 21:[9, 12] Operation: 72/6=12 Exploring Operation: 72/9=8, Resulting Numbers: [6, 8] Generated Node #0,0,1: 21:[6, 8] Operation: 72/9=8 Moving to Node #0,0,1 Current State: 21:[6, 8], Operations: ['75-69=6', '72/9=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[9, 23], Operations: ['75-72=3', '69/3=23'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[9, 12], Operations: ['75-69=6', '72/6=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[9, 69, 75, 72], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [9, 72, 6] Generated Node #0,0: 21:[9, 72, 6] Operation: 75-69=6 Moving to Node #0,0 Current State: 21:[9, 72, 6], Operations: ['75-69=6'] Exploring Operation: 72/6=12, Resulting Numbers: [9, 12] Generated Node #0,0,0: 21:[9, 12] Operation: 72/6=12 Moving to Node #0,0,0 Current State: 21:[9, 12], Operations: ['75-69=6', '72/6=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 21, 66, 62, 65 ]
93
[ "65-21=44", "66*62=4092", "4092/44=93" ]
Current State: 93:[21, 66, 62, 65], Operations: [] Exploring Operation: 65-21=44, Resulting Numbers: [66, 62, 44] Generated Node #2: [66, 62, 44] from Operation: 65-21=44 Current State: 93:[66, 62, 44], Operations: ['65-21=44'] Exploring Operation: 66*62=4092, Resulting Numbers: [44, 4092] Generated Node #3: [44, 4092] from Operation: 66*62=4092 Current State: 93:[44, 4092], Operations: ['65-21=44', '66*62=4092'] Exploring Operation: 4092/44=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[21, 66, 62, 65], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [21, 65, 4] Generated Node #0,0: 93:[21, 65, 4] Operation: 66-62=4 Exploring Operation: 65-62=3, Resulting Numbers: [21, 66, 3] Generated Node #0,1: 93:[21, 66, 3] Operation: 65-62=3 Moving to Node #0,1 Current State: 93:[21, 66, 3], Operations: ['65-62=3'] Exploring Operation: 66-21=45, Resulting Numbers: [3, 45] Generated Node #0,1,0: 93:[3, 45] Operation: 66-21=45 Exploring Operation: 21+66=87, Resulting Numbers: [3, 87] Generated Node #0,1,1: 93:[3, 87] Operation: 21+66=87 Moving to Node #0,0 Current State: 93:[21, 65, 4], Operations: ['66-62=4'] Exploring Operation: 65-21=44, Resulting Numbers: [4, 44] Generated Node #0,0,0: 93:[4, 44] Operation: 65-21=44 Exploring Operation: 21+65=86, Resulting Numbers: [4, 86] Generated Node #0,0,1: 93:[4, 86] Operation: 21+65=86 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[4, 86], Operations: ['66-62=4', '21+65=86'] Exploring Operation: 4+86=90, Resulting Numbers: [90] 90,93 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[4, 44], Operations: ['66-62=4', '65-21=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 93:[3, 87], Operations: ['65-62=3', '21+66=87'] Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,93 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[3, 45], Operations: ['65-62=3', '66-21=45'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,93 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 77, 86, 70 ]
91
[ "77-2=75", "86-70=16", "75+16=91" ]
Current State: 91:[2, 77, 86, 70], Operations: [] Exploring Operation: 77-2=75, Resulting Numbers: [86, 70, 75] Generated Node #2: [86, 70, 75] from Operation: 77-2=75 Current State: 91:[86, 70, 75], Operations: ['77-2=75'] Exploring Operation: 86-70=16, Resulting Numbers: [75, 16] Generated Node #3: [75, 16] from Operation: 86-70=16 Current State: 91:[75, 16], Operations: ['77-2=75', '86-70=16'] Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[2, 77, 86, 70], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [2, 86, 7] Generated Node #0,0: 91:[2, 86, 7] Operation: 77-70=7 Exploring Operation: 86-70=16, Resulting Numbers: [2, 77, 16] Generated Node #0,1: 91:[2, 77, 16] Operation: 86-70=16 Exploring Operation: 2+77=79, Resulting Numbers: [86, 70, 79] Generated Node #0,2: 91:[86, 70, 79] Operation: 2+77=79 Exploring Operation: 86-77=9, Resulting Numbers: [2, 70, 9] Generated Node #0,3: 91:[2, 70, 9] Operation: 86-77=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[2, 86, 7], Operations: ['77-70=7'] Exploring Operation: 2+86=88, Resulting Numbers: [7, 88] Generated Node #0,0,0: 91:[7, 88] Operation: 2+86=88 Exploring Operation: 2+7=9, Resulting Numbers: [86, 9] Generated Node #0,0,1: 91:[86, 9] Operation: 2+7=9 Exploring Operation: 86-2=84, Resulting Numbers: [7, 84] Generated Node #0,0,2: 91:[7, 84] Operation: 86-2=84 Exploring Operation: 2*7=14, Resulting Numbers: [86, 14] Generated Node #0,0,3: 91:[86, 14] Operation: 2*7=14 Moving to Node #0,0,0 Current State: 91:[7, 88], Operations: ['77-70=7', '2+86=88'] Exploring Operation: 7*88=616, Resulting Numbers: [616] 616,91 unequal: No Solution Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,91 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[86, 14], Operations: ['77-70=7', '2*7=14'] Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,91 unequal: No Solution Exploring Operation: 86*14=1204, Resulting Numbers: [1204] 1204,91 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[7, 84], Operations: ['77-70=7', '86-2=84'] Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 7*84=588, Resulting Numbers: [588] 588,91 unequal: No Solution Exploring Operation: 7+84=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[2, 77, 86, 70], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [2, 86, 7] Generated Node #0,0: 91:[2, 86, 7] Operation: 77-70=7 Moving to Node #0,0 Current State: 91:[2, 86, 7], Operations: ['77-70=7'] Exploring Operation: 86-2=84, Resulting Numbers: [7, 84] Generated Node #0,0,2: 91:[7, 84] Operation: 86-2=84 Moving to Node #0,0,2 Current State: 91:[7, 84], Operations: ['77-70=7', '86-2=84'] Exploring Operation: 7+84=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 44, 61, 79, 83 ]
77
[ "83-61=22", "44/22=2", "79-2=77" ]
Current State: 77:[44, 61, 79, 83], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [44, 79, 22] Generated Node #2: [44, 79, 22] from Operation: 83-61=22 Current State: 77:[44, 79, 22], Operations: ['83-61=22'] Exploring Operation: 44/22=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 44/22=2 Current State: 77:[79, 2], Operations: ['83-61=22', '44/22=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[44, 61, 79, 83], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [79, 83, 17] Generated Node #0,0: 77:[79, 83, 17] Operation: 61-44=17 Exploring Operation: 44+61=105, Resulting Numbers: [79, 83, 105] Generated Node #0,1: 77:[79, 83, 105] Operation: 44+61=105 Exploring Operation: 79-44=35, Resulting Numbers: [61, 83, 35] Generated Node #0,2: 77:[61, 83, 35] Operation: 79-44=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[79, 83, 17], Operations: ['61-44=17'] Exploring Operation: 83-79=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 77:[17, 4] Operation: 83-79=4 Exploring Operation: 83-17=66, Resulting Numbers: [79, 66] Generated Node #0,0,1: 77:[79, 66] Operation: 83-17=66 Exploring Operation: 79-17=62, Resulting Numbers: [83, 62] Generated Node #0,0,2: 77:[83, 62] Operation: 79-17=62 Moving to Node #0,0,0 Current State: 77:[17, 4], Operations: ['61-44=17', '83-79=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[79, 66], Operations: ['61-44=17', '83-17=66'] Exploring Operation: 79*66=5214, Resulting Numbers: [5214] 5214,77 unequal: No Solution Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[83, 62], Operations: ['61-44=17', '79-17=62'] Exploring Operation: 83*62=5146, Resulting Numbers: [5146] 5146,77 unequal: No Solution Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 83+62=145, Resulting Numbers: [145] 145,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[79, 83, 105], Operations: ['44+61=105'] Exploring Operation: 83-79=4, Resulting Numbers: [105, 4] Generated Node #0,1,0: 77:[105, 4] Operation: 83-79=4 Exploring Operation: 105-79=26, Resulting Numbers: [83, 26] Generated Node #0,1,1: 77:[83, 26] Operation: 105-79=26 Exploring Operation: 105-83=22, Resulting Numbers: [79, 22] Generated Node #0,1,2: 77:[79, 22] Operation: 105-83=22 Moving to Node #0,1,2 Current State: 77:[79, 22], Operations: ['44+61=105', '105-83=22'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,77 unequal: No Solution Exploring Operation: 79+22=101, Resulting Numbers: [101] 101,77 unequal: No Solution Exploring Operation: 79*22=1738, Resulting Numbers: [1738] 1738,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[83, 26], Operations: ['44+61=105', '105-79=26'] Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,77 unequal: No Solution Exploring Operation: 83+26=109, Resulting Numbers: [109] 109,77 unequal: No Solution Exploring Operation: 83*26=2158, Resulting Numbers: [2158] 2158,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[105, 4], Operations: ['44+61=105', '83-79=4'] Exploring Operation: 105+4=109, Resulting Numbers: [109] 109,77 unequal: No Solution Exploring Operation: 105-4=101, Resulting Numbers: [101] 101,77 unequal: No Solution Exploring Operation: 105*4=420, Resulting Numbers: [420] 420,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[61, 83, 35], Operations: ['79-44=35'] Exploring Operation: 61-35=26, Resulting Numbers: [83, 26] Generated Node #0,2,0: 77:[83, 26] Operation: 61-35=26 Exploring Operation: 61+35=96, Resulting Numbers: [83, 96] Generated Node #0,2,1: 77:[83, 96] Operation: 61+35=96 Exploring Operation: 83-61=22, Resulting Numbers: [35, 22] Generated Node #0,2,2: 77:[35, 22] Operation: 83-61=22 Moving to Node #0,2,0 Current State: 77:[83, 26], Operations: ['79-44=35', '61-35=26'] Exploring Operation: 83+26=109, Resulting Numbers: [109] 109,77 unequal: No Solution Exploring Operation: 83*26=2158, Resulting Numbers: [2158] 2158,77 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[83, 96], Operations: ['79-44=35', '61+35=96'] Exploring Operation: 96-83=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 83*96=7968, Resulting Numbers: [7968] 7968,77 unequal: No Solution Exploring Operation: 83+96=179, Resulting Numbers: [179] 179,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[35, 22], Operations: ['79-44=35', '83-61=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,77 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,77 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 24, 68, 20, 38 ]
36
[ "68-20=48", "48/24=2", "38-2=36" ]
Current State: 36:[24, 68, 20, 38], Operations: [] Exploring Operation: 68-20=48, Resulting Numbers: [24, 38, 48] Generated Node #2: [24, 38, 48] from Operation: 68-20=48 Current State: 36:[24, 38, 48], Operations: ['68-20=48'] Exploring Operation: 48/24=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 48/24=2 Current State: 36:[38, 2], Operations: ['68-20=48', '48/24=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[24, 68, 20, 38], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [20, 38, 44] Generated Node #0,0: 36:[20, 38, 44] Operation: 68-24=44 Exploring Operation: 68-20=48, Resulting Numbers: [24, 38, 48] Generated Node #0,1: 36:[24, 38, 48] Operation: 68-20=48 Exploring Operation: 68-38=30, Resulting Numbers: [24, 20, 30] Generated Node #0,2: 36:[24, 20, 30] Operation: 68-38=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[20, 38, 44], Operations: ['68-24=44'] Exploring Operation: 44-20=24, Resulting Numbers: [38, 24] Generated Node #0,0,0: 36:[38, 24] Operation: 44-20=24 Exploring Operation: 44-38=6, Resulting Numbers: [20, 6] Generated Node #0,0,1: 36:[20, 6] Operation: 44-38=6 Exploring Operation: 38-20=18, Resulting Numbers: [44, 18] Generated Node #0,0,2: 36:[44, 18] Operation: 38-20=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[20, 6], Operations: ['68-24=44', '44-38=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,36 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[38, 24], Operations: ['68-24=44', '44-20=24'] Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,36 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 36:[44, 18], Operations: ['68-24=44', '38-20=18'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,36 unequal: No Solution Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[24, 20, 30], Operations: ['68-38=30'] Exploring Operation: 30-20=10, Resulting Numbers: [24, 10] Generated Node #0,2,0: 36:[24, 10] Operation: 30-20=10 Exploring Operation: 24-20=4, Resulting Numbers: [30, 4] Generated Node #0,2,1: 36:[30, 4] Operation: 24-20=4 Exploring Operation: 30-24=6, Resulting Numbers: [20, 6] Generated Node #0,2,2: 36:[20, 6] Operation: 30-24=6 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[20, 6], Operations: ['68-38=30', '30-24=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[30, 4], Operations: ['68-38=30', '24-20=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[24, 10], Operations: ['68-38=30', '30-20=10'] Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,36 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[24, 38, 48], Operations: ['68-20=48'] Exploring Operation: 48-38=10, Resulting Numbers: [24, 10] Generated Node #0,1,0: 36:[24, 10] Operation: 48-38=10 Exploring Operation: 48-24=24, Resulting Numbers: [38, 24] Generated Node #0,1,1: 36:[38, 24] Operation: 48-24=24 Exploring Operation: 48/24=2, Resulting Numbers: [38, 2] Generated Node #0,1,2: 36:[38, 2] Operation: 48/24=2 Moving to Node #0,1,2 Current State: 36:[38, 2], Operations: ['68-20=48', '48/24=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[24, 68, 20, 38], Operations: [] Exploring Operation: 68-20=48, Resulting Numbers: [24, 38, 48] Generated Node #0,1: 36:[24, 38, 48] Operation: 68-20=48 Moving to Node #0,1 Current State: 36:[24, 38, 48], Operations: ['68-20=48'] Exploring Operation: 48/24=2, Resulting Numbers: [38, 2] Generated Node #0,1,2: 36:[38, 2] Operation: 48/24=2 Moving to Node #0,1,2 Current State: 36:[38, 2], Operations: ['68-20=48', '48/24=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 57, 77, 90, 71 ]
39
[ "77-57=20", "90-71=19", "20+19=39" ]
Current State: 39:[57, 77, 90, 71], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [90, 71, 20] Generated Node #2: [90, 71, 20] from Operation: 77-57=20 Current State: 39:[90, 71, 20], Operations: ['77-57=20'] Exploring Operation: 90-71=19, Resulting Numbers: [20, 19] Generated Node #3: [20, 19] from Operation: 90-71=19 Current State: 39:[20, 19], Operations: ['77-57=20', '90-71=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[57, 77, 90, 71], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [57, 71, 13] Generated Node #0,0: 39:[57, 71, 13] Operation: 90-77=13 Moving to Node #0,0 Current State: 39:[57, 71, 13], Operations: ['90-77=13'] Exploring Operation: 71-57=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 39:[13, 14] Operation: 71-57=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[13, 14], Operations: ['90-77=13', '71-57=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 69, 30, 10, 75 ]
90
[ "75-69=6", "10*6=60", "30+60=90" ]
Current State: 90:[69, 30, 10, 75], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [30, 10, 6] Generated Node #2: [30, 10, 6] from Operation: 75-69=6 Current State: 90:[30, 10, 6], Operations: ['75-69=6'] Exploring Operation: 10*6=60, Resulting Numbers: [30, 60] Generated Node #3: [30, 60] from Operation: 10*6=60 Current State: 90:[30, 60], Operations: ['75-69=6', '10*6=60'] Exploring Operation: 30+60=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[69, 30, 10, 75], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [30, 10, 6] Generated Node #0,0: 90:[30, 10, 6] Operation: 75-69=6 Moving to Node #0,0 Current State: 90:[30, 10, 6], Operations: ['75-69=6'] Exploring Operation: 30/10=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 90:[6, 3] Operation: 30/10=3 Moving to Node #0,0,0 Current State: 90:[6, 3], Operations: ['75-69=6', '30/10=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,90 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 64, 68, 1, 3 ]
72
[ "3-1=2", "68*2=136", "136-64=72" ]
Current State: 72:[64, 68, 1, 3], Operations: [] Exploring Operation: 3-1=2, Resulting Numbers: [64, 68, 2] Generated Node #2: [64, 68, 2] from Operation: 3-1=2 Current State: 72:[64, 68, 2], Operations: ['3-1=2'] Exploring Operation: 68*2=136, Resulting Numbers: [64, 136] Generated Node #3: [64, 136] from Operation: 68*2=136 Current State: 72:[64, 136], Operations: ['3-1=2', '68*2=136'] Exploring Operation: 136-64=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[64, 68, 1, 3], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [1, 3, 4] Generated Node #0,0: 72:[1, 3, 4] Operation: 68-64=4 Exploring Operation: 68+1=69, Resulting Numbers: [64, 3, 69] Generated Node #0,1: 72:[64, 3, 69] Operation: 68+1=69 Exploring Operation: 64+3=67, Resulting Numbers: [68, 1, 67] Generated Node #0,2: 72:[68, 1, 67] Operation: 64+3=67 Exploring Operation: 64+1=65, Resulting Numbers: [68, 3, 65] Generated Node #0,3: 72:[68, 3, 65] Operation: 64+1=65 Exploring Operation: 68+3=71, Resulting Numbers: [64, 1, 71] Generated Node #0,4: 72:[64, 1, 71] Operation: 68+3=71 Moving to Node #0,0 Current State: 72:[1, 3, 4], Operations: ['68-64=4'] Exploring Operation: 1*3=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 72:[4, 3] Operation: 1*3=3 Exploring Operation: 1+3=4, Resulting Numbers: [4, 4] Generated Node #0,0,1: 72:[4, 4] Operation: 1+3=4 Exploring Operation: 1*4=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 72:[3, 4] Operation: 1*4=4 Exploring Operation: 3/1=3, Resulting Numbers: [4, 3] Generated Node #0,0,3: 72:[4, 3] Operation: 3/1=3 Exploring Operation: 3-1=2, Resulting Numbers: [4, 2] Generated Node #0,0,4: 72:[4, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[4, 3], Operations: ['68-64=4', '1*3=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[4, 4], Operations: ['68-64=4', '1+3=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[3, 4], Operations: ['68-64=4', '1*4=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[4, 3], Operations: ['68-64=4', '3/1=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 72:[4, 2], Operations: ['68-64=4', '3-1=2'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 72:[64, 1, 71], Operations: ['68+3=71'] Exploring Operation: 1+71=72, Resulting Numbers: [64, 72] Generated Node #0,4,0: 72:[64, 72] Operation: 1+71=72 Exploring Operation: 64+1=65, Resulting Numbers: [71, 65] Generated Node #0,4,1: 72:[71, 65] Operation: 64+1=65 Exploring Operation: 64*1=64, Resulting Numbers: [71, 64] Generated Node #0,4,2: 72:[71, 64] Operation: 64*1=64 Exploring Operation: 71-64=7, Resulting Numbers: [1, 7] Generated Node #0,4,3: 72:[1, 7] Operation: 71-64=7 Exploring Operation: 64/1=64, Resulting Numbers: [71, 64] Generated Node #0,4,4: 72:[71, 64] Operation: 64/1=64 Moving to Node #0,2 Current State: 72:[68, 1, 67], Operations: ['64+3=67'] Exploring Operation: 1+67=68, Resulting Numbers: [68, 68] Generated Node #0,2,0: 72:[68, 68] Operation: 1+67=68 Exploring Operation: 68+1=69, Resulting Numbers: [67, 69] Generated Node #0,2,1: 72:[67, 69] Operation: 68+1=69 Exploring Operation: 68-67=1, Resulting Numbers: [1, 1] Generated Node #0,2,2: 72:[1, 1] Operation: 68-67=1 Exploring Operation: 68*1=68, Resulting Numbers: [67, 68] Generated Node #0,2,3: 72:[67, 68] Operation: 68*1=68 Exploring Operation: 68/1=68, Resulting Numbers: [67, 68] Generated Node #0,2,4: 72:[67, 68] Operation: 68/1=68 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 72:[1, 1], Operations: ['64+3=67', '68-67=1'] Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[68, 68], Operations: ['64+3=67', '1+67=68'] Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 68+68=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 68*68=4624, Resulting Numbers: [4624] 4624,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 72:[67, 69], Operations: ['64+3=67', '68+1=69'] Exploring Operation: 67*69=4623, Resulting Numbers: [4623] 4623,72 unequal: No Solution Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 67+69=136, Resulting Numbers: [136] 136,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 72:[67, 68], Operations: ['64+3=67', '68*1=68'] Exploring Operation: 67+68=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 67*68=4556, Resulting Numbers: [4556] 4556,72 unequal: No Solution Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 72:[67, 68], Operations: ['64+3=67', '68/1=68'] Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 67+68=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 67*68=4556, Resulting Numbers: [4556] 4556,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 72:[64, 3, 69], Operations: ['68+1=69'] Exploring Operation: 3+69=72, Resulting Numbers: [64, 72] Generated Node #0,1,0: 72:[64, 72] Operation: 3+69=72 Exploring Operation: 69-64=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 72:[3, 5] Operation: 69-64=5 Exploring Operation: 69/3=23, Resulting Numbers: [64, 23] Generated Node #0,1,2: 72:[64, 23] Operation: 69/3=23 Exploring Operation: 64+3=67, Resulting Numbers: [69, 67] Generated Node #0,1,3: 72:[69, 67] Operation: 64+3=67 Exploring Operation: 64-3=61, Resulting Numbers: [69, 61] Generated Node #0,1,4: 72:[69, 61] Operation: 64-3=61 Moving to Node #0,3 Current State: 72:[68, 3, 65], Operations: ['64+1=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68, 68] Generated Node #0,3,0: 72:[68, 68] Operation: 3+65=68 Exploring Operation: 68-3=65, Resulting Numbers: [65, 65] Generated Node #0,3,1: 72:[65, 65] Operation: 68-3=65 Exploring Operation: 68+3=71, Resulting Numbers: [65, 71] Generated Node #0,3,2: 72:[65, 71] Operation: 68+3=71 Exploring Operation: 65-3=62, Resulting Numbers: [68, 62] Generated Node #0,3,3: 72:[68, 62] Operation: 65-3=62 Exploring Operation: 68-65=3, Resulting Numbers: [3, 3] Generated Node #0,3,4: 72:[3, 3] Operation: 68-65=3 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 72:[3, 3], Operations: ['64+1=65', '68-65=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 72:[68, 68], Operations: ['64+1=65', '3+65=68'] Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 68+68=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 68*68=4624, Resulting Numbers: [4624] 4624,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 72:[65, 71], Operations: ['64+1=65', '68+3=71'] Exploring Operation: 65*71=4615, Resulting Numbers: [4615] 4615,72 unequal: No Solution Exploring Operation: 65+71=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 72:[65, 65], Operations: ['64+1=65', '68-3=65'] Exploring Operation: 65+65=130, Resulting Numbers: [130] 130,72 unequal: No Solution Exploring Operation: 65*65=4225, Resulting Numbers: [4225] 4225,72 unequal: No Solution Exploring Operation: 65-65=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 65/65=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 72:[68, 62], Operations: ['64+1=65', '65-3=62'] Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 68+62=130, Resulting Numbers: [130] 130,72 unequal: No Solution Exploring Operation: 68*62=4216, Resulting Numbers: [4216] 4216,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 72:[3, 5], Operations: ['68+1=69', '69-64=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,72 unequal: No Solution Moving to Node #0,4,3 Current State: 72:[1, 7], Operations: ['68+3=71', '71-64=7'] Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[64, 72], Operations: ['68+1=69', '3+69=72'] Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,72 unequal: No Solution Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,72 unequal: No Solution Moving to Node #0,4,1 Current State: 72:[71, 65], Operations: ['68+3=71', '64+1=65'] Exploring Operation: 71*65=4615, Resulting Numbers: [4615] 4615,72 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 71+65=136, Resulting Numbers: [136] 136,72 unequal: No Solution Moving to Node #0,4,0 Current State: 72:[64, 72], Operations: ['68+3=71', '1+71=72'] Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[69, 67], Operations: ['68+1=69', '64+3=67'] Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 69*67=4623, Resulting Numbers: [4623] 4623,72 unequal: No Solution Exploring Operation: 69+67=136, Resulting Numbers: [136] 136,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[64, 23], Operations: ['68+1=69', '69/3=23'] Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 64+23=87, Resulting Numbers: [87] 87,72 unequal: No Solution Exploring Operation: 64*23=1472, Resulting Numbers: [1472] 1472,72 unequal: No Solution Moving to Node #0,4,2 Current State: 72:[71, 64], Operations: ['68+3=71', '64*1=64'] Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,72 unequal: No Solution Moving to Node #0,4,4 Current State: 72:[71, 64], Operations: ['68+3=71', '64/1=64'] Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,72 unequal: No Solution Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,72 unequal: No Solution Moving to Node #0,1,4 Current State: 72:[69, 61], Operations: ['68+1=69', '64-3=61'] Exploring Operation: 69*61=4209, Resulting Numbers: [4209] 4209,72 unequal: No Solution Exploring Operation: 69+61=130, Resulting Numbers: [130] 130,72 unequal: No Solution Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,72 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 8, 16, 27, 6 ]
82
[ "27-16=11", "8*11=88", "88-6=82" ]
Current State: 82:[8, 16, 27, 6], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [8, 6, 11] Generated Node #2: [8, 6, 11] from Operation: 27-16=11 Current State: 82:[8, 6, 11], Operations: ['27-16=11'] Exploring Operation: 8*11=88, Resulting Numbers: [6, 88] Generated Node #3: [6, 88] from Operation: 8*11=88 Current State: 82:[6, 88], Operations: ['27-16=11', '8*11=88'] Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[8, 16, 27, 6], Operations: [] Exploring Operation: 16+27=43, Resulting Numbers: [8, 6, 43] Generated Node #0,0: 82:[8, 6, 43] Operation: 16+27=43 Moving to Node #0,0 Current State: 82:[8, 6, 43], Operations: ['16+27=43'] Exploring Operation: 8-6=2, Resulting Numbers: [43, 2] Generated Node #0,0,0: 82:[43, 2] Operation: 8-6=2 Moving to Node #0,0,0 Current State: 82:[43, 2], Operations: ['16+27=43', '8-6=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,82 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 96, 5, 83, 60 ]
97
[ "96-60=36", "5*36=180", "180-83=97" ]
Current State: 97:[96, 5, 83, 60], Operations: [] Exploring Operation: 96-60=36, Resulting Numbers: [5, 83, 36] Generated Node #2: [5, 83, 36] from Operation: 96-60=36 Current State: 97:[5, 83, 36], Operations: ['96-60=36'] Exploring Operation: 5*36=180, Resulting Numbers: [83, 180] Generated Node #3: [83, 180] from Operation: 5*36=180 Current State: 97:[83, 180], Operations: ['96-60=36', '5*36=180'] Exploring Operation: 180-83=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[96, 5, 83, 60], Operations: [] Exploring Operation: 83-5=78, Resulting Numbers: [96, 60, 78] Generated Node #0,0: 97:[96, 60, 78] Operation: 83-5=78 Exploring Operation: 96+5=101, Resulting Numbers: [83, 60, 101] Generated Node #0,1: 97:[83, 60, 101] Operation: 96+5=101 Exploring Operation: 5+83=88, Resulting Numbers: [96, 60, 88] Generated Node #0,2: 97:[96, 60, 88] Operation: 5+83=88 Exploring Operation: 5+60=65, Resulting Numbers: [96, 83, 65] Generated Node #0,3: 97:[96, 83, 65] Operation: 5+60=65 Exploring Operation: 96-5=91, Resulting Numbers: [83, 60, 91] Generated Node #0,4: 97:[83, 60, 91] Operation: 96-5=91 Moving to Node #0,2 Current State: 97:[96, 60, 88], Operations: ['5+83=88'] Exploring Operation: 60+88=148, Resulting Numbers: [96, 148] Generated Node #0,2,0: 97:[96, 148] Operation: 60+88=148 Exploring Operation: 88-60=28, Resulting Numbers: [96, 28] Generated Node #0,2,1: 97:[96, 28] Operation: 88-60=28 Exploring Operation: 96-60=36, Resulting Numbers: [88, 36] Generated Node #0,2,2: 97:[88, 36] Operation: 96-60=36 Exploring Operation: 96+60=156, Resulting Numbers: [88, 156] Generated Node #0,2,3: 97:[88, 156] Operation: 96+60=156 Exploring Operation: 96+88=184, Resulting Numbers: [60, 184] Generated Node #0,2,4: 97:[60, 184] Operation: 96+88=184 Moving to Node #0,3 Current State: 97:[96, 83, 65], Operations: ['5+60=65'] Exploring Operation: 96-65=31, Resulting Numbers: [83, 31] Generated Node #0,3,0: 97:[83, 31] Operation: 96-65=31 Exploring Operation: 96+83=179, Resulting Numbers: [65, 179] Generated Node #0,3,1: 97:[65, 179] Operation: 96+83=179 Exploring Operation: 96+65=161, Resulting Numbers: [83, 161] Generated Node #0,3,2: 97:[83, 161] Operation: 96+65=161 Exploring Operation: 83-65=18, Resulting Numbers: [96, 18] Generated Node #0,3,3: 97:[96, 18] Operation: 83-65=18 Exploring Operation: 83+65=148, Resulting Numbers: [96, 148] Generated Node #0,3,4: 97:[96, 148] Operation: 83+65=148 Moving to Node #0,1 Current State: 97:[83, 60, 101], Operations: ['96+5=101'] Exploring Operation: 101-83=18, Resulting Numbers: [60, 18] Generated Node #0,1,0: 97:[60, 18] Operation: 101-83=18 Exploring Operation: 101-60=41, Resulting Numbers: [83, 41] Generated Node #0,1,1: 97:[83, 41] Operation: 101-60=41 Exploring Operation: 83-60=23, Resulting Numbers: [101, 23] Generated Node #0,1,2: 97:[101, 23] Operation: 83-60=23 Exploring Operation: 83+60=143, Resulting Numbers: [101, 143] Generated Node #0,1,3: 97:[101, 143] Operation: 83+60=143 Exploring Operation: 60+101=161, Resulting Numbers: [83, 161] Generated Node #0,1,4: 97:[83, 161] Operation: 60+101=161 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[101, 143], Operations: ['96+5=101', '83+60=143'] Exploring Operation: 101*143=14443, Resulting Numbers: [14443] 14443,97 unequal: No Solution Exploring Operation: 143-101=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 101+143=244, Resulting Numbers: [244] 244,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[83, 41], Operations: ['96+5=101', '101-60=41'] Exploring Operation: 83-41=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 83+41=124, Resulting Numbers: [124] 124,97 unequal: No Solution Exploring Operation: 83*41=3403, Resulting Numbers: [3403] 3403,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[101, 23], Operations: ['96+5=101', '83-60=23'] Exploring Operation: 101-23=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 101+23=124, Resulting Numbers: [124] 124,97 unequal: No Solution Exploring Operation: 101*23=2323, Resulting Numbers: [2323] 2323,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 97:[83, 161], Operations: ['96+5=101', '60+101=161'] Exploring Operation: 161-83=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 83*161=13363, Resulting Numbers: [13363] 13363,97 unequal: No Solution Exploring Operation: 83+161=244, Resulting Numbers: [244] 244,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[60, 18], Operations: ['96+5=101', '101-83=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 97:[96, 60, 78], Operations: ['83-5=78'] Exploring Operation: 60+78=138, Resulting Numbers: [96, 138] Generated Node #0,0,0: 97:[96, 138] Operation: 60+78=138 Exploring Operation: 96+78=174, Resulting Numbers: [60, 174] Generated Node #0,0,1: 97:[60, 174] Operation: 96+78=174 Exploring Operation: 96+60=156, Resulting Numbers: [78, 156] Generated Node #0,0,2: 97:[78, 156] Operation: 96+60=156 Exploring Operation: 78-60=18, Resulting Numbers: [96, 18] Generated Node #0,0,3: 97:[96, 18] Operation: 78-60=18 Exploring Operation: 96-60=36, Resulting Numbers: [78, 36] Generated Node #0,0,4: 97:[78, 36] Operation: 96-60=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[96, 138], Operations: ['83-5=78', '60+78=138'] Exploring Operation: 96+138=234, Resulting Numbers: [234] 234,97 unequal: No Solution Exploring Operation: 138-96=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 96*138=13248, Resulting Numbers: [13248] 13248,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[78, 156], Operations: ['83-5=78', '96+60=156'] Exploring Operation: 78*156=12168, Resulting Numbers: [12168] 12168,97 unequal: No Solution Exploring Operation: 156/78=2, Resulting Numbers: [2] 2,97 unequal: No Solution Exploring Operation: 156-78=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 78+156=234, Resulting Numbers: [234] 234,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[96, 18], Operations: ['83-5=78', '78-60=18'] Exploring Operation: 96*18=1728, Resulting Numbers: [1728] 1728,97 unequal: No Solution Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 96+18=114, Resulting Numbers: [114] 114,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[78, 36], Operations: ['83-5=78', '96-60=36'] Exploring Operation: 78+36=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 78*36=2808, Resulting Numbers: [2808] 2808,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[60, 174], Operations: ['83-5=78', '96+78=174'] Exploring Operation: 174-60=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 60*174=10440, Resulting Numbers: [10440] 10440,97 unequal: No Solution Exploring Operation: 60+174=234, Resulting Numbers: [234] 234,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 97:[83, 60, 91], Operations: ['96-5=91'] Exploring Operation: 83-60=23, Resulting Numbers: [91, 23] Generated Node #0,4,0: 97:[91, 23] Operation: 83-60=23 Exploring Operation: 60+91=151, Resulting Numbers: [83, 151] Generated Node #0,4,1: 97:[83, 151] Operation: 60+91=151 Exploring Operation: 91-60=31, Resulting Numbers: [83, 31] Generated Node #0,4,2: 97:[83, 31] Operation: 91-60=31 Exploring Operation: 83+60=143, Resulting Numbers: [91, 143] Generated Node #0,4,3: 97:[91, 143] Operation: 83+60=143 Exploring Operation: 83+91=174, Resulting Numbers: [60, 174] Generated Node #0,4,4: 97:[60, 174] Operation: 83+91=174 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 97:[91, 143], Operations: ['96-5=91', '83+60=143'] Exploring Operation: 91+143=234, Resulting Numbers: [234] 234,97 unequal: No Solution Exploring Operation: 91*143=13013, Resulting Numbers: [13013] 13013,97 unequal: No Solution Exploring Operation: 143-91=52, Resulting Numbers: [52] 52,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 97:[83, 151], Operations: ['96-5=91', '60+91=151'] Exploring Operation: 83*151=12533, Resulting Numbers: [12533] 12533,97 unequal: No Solution Exploring Operation: 83+151=234, Resulting Numbers: [234] 234,97 unequal: No Solution Exploring Operation: 151-83=68, Resulting Numbers: [68] 68,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 97:[91, 23], Operations: ['96-5=91', '83-60=23'] Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 97:[83, 31], Operations: ['96-5=91', '91-60=31'] Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,97 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 97:[60, 174], Operations: ['96-5=91', '83+91=174'] Exploring Operation: 174-60=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 60+174=234, Resulting Numbers: [234] 234,97 unequal: No Solution Exploring Operation: 60*174=10440, Resulting Numbers: [10440] 10440,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 97:[96, 148], Operations: ['5+83=88', '60+88=148'] Exploring Operation: 96*148=14208, Resulting Numbers: [14208] 14208,97 unequal: No Solution Exploring Operation: 96+148=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 148-96=52, Resulting Numbers: [52] 52,97 unequal: No Solution Moving to Node #0,3,4 Current State: 97:[96, 148], Operations: ['5+60=65', '83+65=148'] Exploring Operation: 96+148=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 148-96=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 96*148=14208, Resulting Numbers: [14208] 14208,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[88, 156], Operations: ['5+83=88', '96+60=156'] Exploring Operation: 156-88=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 88+156=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 88*156=13728, Resulting Numbers: [13728] 13728,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[96, 28], Operations: ['5+83=88', '88-60=28'] Exploring Operation: 96*28=2688, Resulting Numbers: [2688] 2688,97 unequal: No Solution Exploring Operation: 96+28=124, Resulting Numbers: [124] 124,97 unequal: No Solution Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[88, 36], Operations: ['5+83=88', '96-60=36'] Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,97 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[83, 161], Operations: ['5+60=65', '96+65=161'] Exploring Operation: 83+161=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 161-83=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 83*161=13363, Resulting Numbers: [13363] 13363,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[83, 31], Operations: ['5+60=65', '96-65=31'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,97 unequal: No Solution Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[96, 18], Operations: ['5+60=65', '83-65=18'] Exploring Operation: 96*18=1728, Resulting Numbers: [1728] 1728,97 unequal: No Solution Exploring Operation: 96+18=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[65, 179], Operations: ['5+60=65', '96+83=179'] Exploring Operation: 65*179=11635, Resulting Numbers: [11635] 11635,97 unequal: No Solution Exploring Operation: 179-65=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 65+179=244, Resulting Numbers: [244] 244,97 unequal: No Solution Moving to Node #0,2,4 Current State: 97:[60, 184], Operations: ['5+83=88', '96+88=184'] Exploring Operation: 60*184=11040, Resulting Numbers: [11040] 11040,97 unequal: No Solution Exploring Operation: 60+184=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 184-60=124, Resulting Numbers: [124] 124,97 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 68, 10, 12, 19 ]
30
[ "12-10=2", "19*2=38", "68-38=30" ]
Current State: 30:[68, 10, 12, 19], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [68, 19, 2] Generated Node #2: [68, 19, 2] from Operation: 12-10=2 Current State: 30:[68, 19, 2], Operations: ['12-10=2'] Exploring Operation: 19*2=38, Resulting Numbers: [68, 38] Generated Node #3: [68, 38] from Operation: 19*2=38 Current State: 30:[68, 38], Operations: ['12-10=2', '19*2=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[68, 10, 12, 19], Operations: [] Exploring Operation: 68-19=49, Resulting Numbers: [10, 12, 49] Generated Node #0,0: 30:[10, 12, 49] Operation: 68-19=49 Exploring Operation: 68-12=56, Resulting Numbers: [10, 19, 56] Generated Node #0,1: 30:[10, 19, 56] Operation: 68-12=56 Exploring Operation: 68-10=58, Resulting Numbers: [12, 19, 58] Generated Node #0,2: 30:[12, 19, 58] Operation: 68-10=58 Moving to Node #0,0 Current State: 30:[10, 12, 49], Operations: ['68-19=49'] Exploring Operation: 49-12=37, Resulting Numbers: [10, 37] Generated Node #0,0,0: 30:[10, 37] Operation: 49-12=37 Exploring Operation: 12-10=2, Resulting Numbers: [49, 2] Generated Node #0,0,1: 30:[49, 2] Operation: 12-10=2 Exploring Operation: 49-10=39, Resulting Numbers: [12, 39] Generated Node #0,0,2: 30:[12, 39] Operation: 49-10=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[10, 37], Operations: ['68-19=49', '49-12=37'] Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,30 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[12, 39], Operations: ['68-19=49', '49-10=39'] Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[49, 2], Operations: ['68-19=49', '12-10=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,30 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 30:[10, 19, 56], Operations: ['68-12=56'] Exploring Operation: 56-10=46, Resulting Numbers: [19, 46] Generated Node #0,1,0: 30:[19, 46] Operation: 56-10=46 Exploring Operation: 56-19=37, Resulting Numbers: [10, 37] Generated Node #0,1,1: 30:[10, 37] Operation: 56-19=37 Exploring Operation: 10+19=29, Resulting Numbers: [56, 29] Generated Node #0,1,2: 30:[56, 29] Operation: 10+19=29 Moving to Node #0,2 Current State: 30:[12, 19, 58], Operations: ['68-10=58'] Exploring Operation: 12+19=31, Resulting Numbers: [58, 31] Generated Node #0,2,0: 30:[58, 31] Operation: 12+19=31 Exploring Operation: 58-12=46, Resulting Numbers: [19, 46] Generated Node #0,2,1: 30:[19, 46] Operation: 58-12=46 Exploring Operation: 58-19=39, Resulting Numbers: [12, 39] Generated Node #0,2,2: 30:[12, 39] Operation: 58-19=39 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[12, 39], Operations: ['68-10=58', '58-19=39'] Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[19, 46], Operations: ['68-10=58', '58-12=46'] Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,30 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[58, 31], Operations: ['68-10=58', '12+19=31'] Exploring Operation: 58*31=1798, Resulting Numbers: [1798] 1798,30 unequal: No Solution Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 58+31=89, Resulting Numbers: [89] 89,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 30:[10, 37], Operations: ['68-12=56', '56-19=37'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,30 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[19, 46], Operations: ['68-12=56', '56-10=46'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[56, 29], Operations: ['68-12=56', '10+19=29'] Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,30 unequal: No Solution Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,30 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 84, 28, 48 ]
44
[ "84-28=56", "56/14=4", "48-4=44" ]
Current State: 44:[14, 84, 28, 48], Operations: [] Exploring Operation: 84-28=56, Resulting Numbers: [14, 48, 56] Generated Node #2: [14, 48, 56] from Operation: 84-28=56 Current State: 44:[14, 48, 56], Operations: ['84-28=56'] Exploring Operation: 56/14=4, Resulting Numbers: [48, 4] Generated Node #3: [48, 4] from Operation: 56/14=4 Current State: 44:[48, 4], Operations: ['84-28=56', '56/14=4'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[14, 84, 28, 48], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [28, 48, 6] Generated Node #0,0: 44:[28, 48, 6] Operation: 84/14=6 Exploring Operation: 84/28=3, Resulting Numbers: [14, 48, 3] Generated Node #0,1: 44:[14, 48, 3] Operation: 84/28=3 Exploring Operation: 84-48=36, Resulting Numbers: [14, 28, 36] Generated Node #0,2: 44:[14, 28, 36] Operation: 84-48=36 Moving to Node #0,1 Current State: 44:[14, 48, 3], Operations: ['84/28=3'] Exploring Operation: 14-3=11, Resulting Numbers: [48, 11] Generated Node #0,1,0: 44:[48, 11] Operation: 14-3=11 Exploring Operation: 48-3=45, Resulting Numbers: [14, 45] Generated Node #0,1,1: 44:[14, 45] Operation: 48-3=45 Exploring Operation: 14*3=42, Resulting Numbers: [48, 42] Generated Node #0,1,2: 44:[48, 42] Operation: 14*3=42 Moving to Node #0,0 Current State: 44:[28, 48, 6], Operations: ['84/14=6'] Exploring Operation: 48-6=42, Resulting Numbers: [28, 42] Generated Node #0,0,0: 44:[28, 42] Operation: 48-6=42 Exploring Operation: 48-28=20, Resulting Numbers: [6, 20] Generated Node #0,0,1: 44:[6, 20] Operation: 48-28=20 Exploring Operation: 28-6=22, Resulting Numbers: [48, 22] Generated Node #0,0,2: 44:[48, 22] Operation: 28-6=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[6, 20], Operations: ['84/14=6', '48-28=20'] Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,44 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[48, 22], Operations: ['84/14=6', '28-6=22'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 48*22=1056, Resulting Numbers: [1056] 1056,44 unequal: No Solution Exploring Operation: 48+22=70, Resulting Numbers: [70] 70,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[28, 42], Operations: ['84/14=6', '48-6=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,44 unequal: No Solution Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 44:[14, 28, 36], Operations: ['84-48=36'] Exploring Operation: 36-14=22, Resulting Numbers: [28, 22] Generated Node #0,2,0: 44:[28, 22] Operation: 36-14=22 Exploring Operation: 36-28=8, Resulting Numbers: [14, 8] Generated Node #0,2,1: 44:[14, 8] Operation: 36-28=8 Exploring Operation: 28/14=2, Resulting Numbers: [36, 2] Generated Node #0,2,2: 44:[36, 2] Operation: 28/14=2 Moving to Node #0,1,0 Current State: 44:[48, 11], Operations: ['84/28=3', '14-3=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,44 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[14, 45], Operations: ['84/28=3', '48-3=45'] Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,44 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[48, 42], Operations: ['84/28=3', '14*3=42'] Exploring Operation: 48*42=2016, Resulting Numbers: [2016] 2016,44 unequal: No Solution Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[14, 8], Operations: ['84-48=36', '36-28=8'] Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,44 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[28, 22], Operations: ['84-48=36', '36-14=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[36, 2], Operations: ['84-48=36', '28/14=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,44 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 87, 15, 91, 44 ]
94
[ "44-15=29", "87/29=3", "91+3=94" ]
Current State: 94:[87, 15, 91, 44], Operations: [] Exploring Operation: 44-15=29, Resulting Numbers: [87, 91, 29] Generated Node #2: [87, 91, 29] from Operation: 44-15=29 Current State: 94:[87, 91, 29], Operations: ['44-15=29'] Exploring Operation: 87/29=3, Resulting Numbers: [91, 3] Generated Node #3: [91, 3] from Operation: 87/29=3 Current State: 94:[91, 3], Operations: ['44-15=29', '87/29=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[87, 15, 91, 44], Operations: [] Exploring Operation: 87+15=102, Resulting Numbers: [91, 44, 102] Generated Node #0,0: 94:[91, 44, 102] Operation: 87+15=102 Exploring Operation: 87-44=43, Resulting Numbers: [15, 91, 43] Generated Node #0,1: 94:[15, 91, 43] Operation: 87-44=43 Exploring Operation: 91-87=4, Resulting Numbers: [15, 44, 4] Generated Node #0,2: 94:[15, 44, 4] Operation: 91-87=4 Moving to Node #0,0 Current State: 94:[91, 44, 102], Operations: ['87+15=102'] Exploring Operation: 102-44=58, Resulting Numbers: [91, 58] Generated Node #0,0,0: 94:[91, 58] Operation: 102-44=58 Exploring Operation: 91-44=47, Resulting Numbers: [102, 47] Generated Node #0,0,1: 94:[102, 47] Operation: 91-44=47 Exploring Operation: 102-91=11, Resulting Numbers: [44, 11] Generated Node #0,0,2: 94:[44, 11] Operation: 102-91=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[102, 47], Operations: ['87+15=102', '91-44=47'] Exploring Operation: 102+47=149, Resulting Numbers: [149] 149,94 unequal: No Solution Exploring Operation: 102*47=4794, Resulting Numbers: [4794] 4794,94 unequal: No Solution Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[44, 11], Operations: ['87+15=102', '102-91=11'] Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[91, 58], Operations: ['87+15=102', '102-44=58'] Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,94 unequal: No Solution Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 94:[15, 44, 4], Operations: ['91-87=4'] Exploring Operation: 15+44=59, Resulting Numbers: [4, 59] Generated Node #0,2,0: 94:[4, 59] Operation: 15+44=59 Exploring Operation: 44+4=48, Resulting Numbers: [15, 48] Generated Node #0,2,1: 94:[15, 48] Operation: 44+4=48 Exploring Operation: 15-4=11, Resulting Numbers: [44, 11] Generated Node #0,2,2: 94:[44, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[44, 11], Operations: ['91-87=4', '15-4=11'] Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[4, 59], Operations: ['91-87=4', '15+44=59'] Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,94 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[15, 48], Operations: ['91-87=4', '44+4=48'] Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,94 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 94:[15, 91, 43], Operations: ['87-44=43'] Exploring Operation: 15+91=106, Resulting Numbers: [43, 106] Generated Node #0,1,0: 94:[43, 106] Operation: 15+91=106 Exploring Operation: 91-43=48, Resulting Numbers: [15, 48] Generated Node #0,1,1: 94:[15, 48] Operation: 91-43=48 Exploring Operation: 15+43=58, Resulting Numbers: [91, 58] Generated Node #0,1,2: 94:[91, 58] Operation: 15+43=58 Moving to Node #0,1,1 Current State: 94:[15, 48], Operations: ['87-44=43', '91-43=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,94 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,94 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[91, 58], Operations: ['87-44=43', '15+43=58'] Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,94 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[43, 106], Operations: ['87-44=43', '15+91=106'] Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,94 unequal: No Solution Exploring Operation: 43+106=149, Resulting Numbers: [149] 149,94 unequal: No Solution Exploring Operation: 43*106=4558, Resulting Numbers: [4558] 4558,94 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 47, 59, 7, 99 ]
14
[ "47+59=106", "99-7=92", "106-92=14" ]
Current State: 14:[47, 59, 7, 99], Operations: [] Exploring Operation: 47+59=106, Resulting Numbers: [7, 99, 106] Generated Node #2: [7, 99, 106] from Operation: 47+59=106 Current State: 14:[7, 99, 106], Operations: ['47+59=106'] Exploring Operation: 99-7=92, Resulting Numbers: [106, 92] Generated Node #3: [106, 92] from Operation: 99-7=92 Current State: 14:[106, 92], Operations: ['47+59=106', '99-7=92'] Exploring Operation: 106-92=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[47, 59, 7, 99], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [7, 99, 12] Generated Node #0,0: 14:[7, 99, 12] Operation: 59-47=12 Exploring Operation: 99-59=40, Resulting Numbers: [47, 7, 40] Generated Node #0,1: 14:[47, 7, 40] Operation: 99-59=40 Exploring Operation: 99-47=52, Resulting Numbers: [59, 7, 52] Generated Node #0,2: 14:[59, 7, 52] Operation: 99-47=52 Moving to Node #0,1 Current State: 14:[47, 7, 40], Operations: ['99-59=40'] Exploring Operation: 40-7=33, Resulting Numbers: [47, 33] Generated Node #0,1,0: 14:[47, 33] Operation: 40-7=33 Exploring Operation: 47-40=7, Resulting Numbers: [7, 7] Generated Node #0,1,1: 14:[7, 7] Operation: 47-40=7 Exploring Operation: 47-7=40, Resulting Numbers: [40, 40] Generated Node #0,1,2: 14:[40, 40] Operation: 47-7=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[7, 7], Operations: ['99-59=40', '47-40=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[47, 59, 7, 99], Operations: [] Exploring Operation: 99-59=40, Resulting Numbers: [47, 7, 40] Generated Node #0,1: 14:[47, 7, 40] Operation: 99-59=40 Moving to Node #0,1 Current State: 14:[47, 7, 40], Operations: ['99-59=40'] Exploring Operation: 47-40=7, Resulting Numbers: [7, 7] Generated Node #0,1,1: 14:[7, 7] Operation: 47-40=7 Moving to Node #0,1,1 Current State: 14:[7, 7], Operations: ['99-59=40', '47-40=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 27, 48, 5, 2 ]
53
[ "27-2=25", "25/5=5", "48+5=53" ]
Current State: 53:[27, 48, 5, 2], Operations: [] Exploring Operation: 27-2=25, Resulting Numbers: [48, 5, 25] Generated Node #2: [48, 5, 25] from Operation: 27-2=25 Current State: 53:[48, 5, 25], Operations: ['27-2=25'] Exploring Operation: 25/5=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 25/5=5 Current State: 53:[48, 5], Operations: ['27-2=25', '25/5=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[27, 48, 5, 2], Operations: [] Exploring Operation: 27*2=54, Resulting Numbers: [48, 5, 54] Generated Node #0,0: 53:[48, 5, 54] Operation: 27*2=54 Moving to Node #0,0 Current State: 53:[48, 5, 54], Operations: ['27*2=54'] Exploring Operation: 48+5=53, Resulting Numbers: [54, 53] Generated Node #0,0,0: 53:[54, 53] Operation: 48+5=53 Moving to Node #0,0,0 Current State: 53:[54, 53], Operations: ['27*2=54', '48+5=53'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,53 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 4, 11, 11, 51 ]
21
[ "51-11=40", "40/4=10", "11+10=21" ]
Current State: 21:[4, 11, 11, 51], Operations: [] Exploring Operation: 51-11=40, Resulting Numbers: [4, 40] Generated Node #2: [4, 40] from Operation: 51-11=40 Current State: 21:[4, 40], Operations: ['51-11=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,21 equal: Goal Reached Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[4, 11, 11, 51], Operations: [] Exploring Operation: 51-11=40, Resulting Numbers: [4, 11, 40] Generated Node #0,0: 21:[4, 11, 40] Operation: 51-11=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[4, 11, 40], Operations: ['51-11=40'] Exploring Operation: 40/4=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 21:[11, 10] Operation: 40/4=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[11, 10], Operations: ['51-11=40', '40/4=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[4, 11, 11, 51], Operations: [] Exploring Operation: 51-11=40, Resulting Numbers: [4, 11, 40] Generated Node #0,0: 21:[4, 11, 40] Operation: 51-11=40 Moving to Node #0,0 Current State: 21:[4, 11, 40], Operations: ['51-11=40'] Exploring Operation: 40/4=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 21:[11, 10] Operation: 40/4=10 Moving to Node #0,0,0 Current State: 21:[11, 10], Operations: ['51-11=40', '40/4=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 62, 19, 22 ]
28
[ "62/2=31", "22-19=3", "31-3=28" ]
Current State: 28:[2, 62, 19, 22], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [19, 22, 31] Generated Node #2: [19, 22, 31] from Operation: 62/2=31 Current State: 28:[19, 22, 31], Operations: ['62/2=31'] Exploring Operation: 22-19=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 22-19=3 Current State: 28:[31, 3], Operations: ['62/2=31', '22-19=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[2, 62, 19, 22], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [19, 22, 31] Generated Node #0,0: 28:[19, 22, 31] Operation: 62/2=31 Exploring Operation: 62-19=43, Resulting Numbers: [2, 22, 43] Generated Node #0,1: 28:[2, 22, 43] Operation: 62-19=43 Exploring Operation: 62-22=40, Resulting Numbers: [2, 19, 40] Generated Node #0,2: 28:[2, 19, 40] Operation: 62-22=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[19, 22, 31], Operations: ['62/2=31'] Exploring Operation: 31-19=12, Resulting Numbers: [22, 12] Generated Node #0,0,0: 28:[22, 12] Operation: 31-19=12 Exploring Operation: 22-19=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 28:[31, 3] Operation: 22-19=3 Exploring Operation: 31-22=9, Resulting Numbers: [19, 9] Generated Node #0,0,2: 28:[19, 9] Operation: 31-22=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[31, 3], Operations: ['62/2=31', '22-19=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[2, 62, 19, 22], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [19, 22, 31] Generated Node #0,0: 28:[19, 22, 31] Operation: 62/2=31 Moving to Node #0,0 Current State: 28:[19, 22, 31], Operations: ['62/2=31'] Exploring Operation: 22-19=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 28:[31, 3] Operation: 22-19=3 Moving to Node #0,0,1 Current State: 28:[31, 3], Operations: ['62/2=31', '22-19=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 65, 23, 69, 81 ]
76
[ "65+23=88", "81-69=12", "88-12=76" ]
Current State: 76:[65, 23, 69, 81], Operations: [] Exploring Operation: 65+23=88, Resulting Numbers: [69, 81, 88] Generated Node #2: [69, 81, 88] from Operation: 65+23=88 Current State: 76:[69, 81, 88], Operations: ['65+23=88'] Exploring Operation: 81-69=12, Resulting Numbers: [88, 12] Generated Node #3: [88, 12] from Operation: 81-69=12 Current State: 76:[88, 12], Operations: ['65+23=88', '81-69=12'] Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[65, 23, 69, 81], Operations: [] Exploring Operation: 65-23=42, Resulting Numbers: [69, 81, 42] Generated Node #0,0: 76:[69, 81, 42] Operation: 65-23=42 Exploring Operation: 69/23=3, Resulting Numbers: [65, 81, 3] Generated Node #0,1: 76:[65, 81, 3] Operation: 69/23=3 Exploring Operation: 81-65=16, Resulting Numbers: [23, 69, 16] Generated Node #0,2: 76:[23, 69, 16] Operation: 81-65=16 Exploring Operation: 69-65=4, Resulting Numbers: [23, 81, 4] Generated Node #0,3: 76:[23, 81, 4] Operation: 69-65=4 Moving to Node #0,3 Current State: 76:[23, 81, 4], Operations: ['69-65=4'] Exploring Operation: 81-4=77, Resulting Numbers: [23, 77] Generated Node #0,3,0: 76:[23, 77] Operation: 81-4=77 Exploring Operation: 23+4=27, Resulting Numbers: [81, 27] Generated Node #0,3,1: 76:[81, 27] Operation: 23+4=27 Exploring Operation: 23-4=19, Resulting Numbers: [81, 19] Generated Node #0,3,2: 76:[81, 19] Operation: 23-4=19 Exploring Operation: 81+4=85, Resulting Numbers: [23, 85] Generated Node #0,3,3: 76:[23, 85] Operation: 81+4=85 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 76:[23, 77], Operations: ['69-65=4', '81-4=77'] Exploring Operation: 23+77=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,76 unequal: No Solution Exploring Operation: 23*77=1771, Resulting Numbers: [1771] 1771,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 76:[81, 19], Operations: ['69-65=4', '23-4=19'] Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,76 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 76:[81, 27], Operations: ['69-65=4', '23+4=27'] Exploring Operation: 81-27=54, Resulting Numbers: [54] 54,76 unequal: No Solution Exploring Operation: 81*27=2187, Resulting Numbers: [2187] 2187,76 unequal: No Solution Exploring Operation: 81+27=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 81/27=3, Resulting Numbers: [3] 3,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 76:[23, 85], Operations: ['69-65=4', '81+4=85'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 23*85=1955, Resulting Numbers: [1955] 1955,76 unequal: No Solution Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 76:[23, 69, 16], Operations: ['81-65=16'] Exploring Operation: 69/23=3, Resulting Numbers: [16, 3] Generated Node #0,2,0: 76:[16, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [16, 46] Generated Node #0,2,1: 76:[16, 46] Operation: 69-23=46 Exploring Operation: 23+16=39, Resulting Numbers: [69, 39] Generated Node #0,2,2: 76:[69, 39] Operation: 23+16=39 Exploring Operation: 23-16=7, Resulting Numbers: [69, 7] Generated Node #0,2,3: 76:[69, 7] Operation: 23-16=7 Moving to Node #0,0 Current State: 76:[69, 81, 42], Operations: ['65-23=42'] Exploring Operation: 69-42=27, Resulting Numbers: [81, 27] Generated Node #0,0,0: 76:[81, 27] Operation: 69-42=27 Exploring Operation: 69+42=111, Resulting Numbers: [81, 111] Generated Node #0,0,1: 76:[81, 111] Operation: 69+42=111 Exploring Operation: 81-69=12, Resulting Numbers: [42, 12] Generated Node #0,0,2: 76:[42, 12] Operation: 81-69=12 Exploring Operation: 81-42=39, Resulting Numbers: [69, 39] Generated Node #0,0,3: 76:[69, 39] Operation: 81-42=39 Moving to Node #0,1 Current State: 76:[65, 81, 3], Operations: ['69/23=3'] Exploring Operation: 65+3=68, Resulting Numbers: [81, 68] Generated Node #0,1,0: 76:[81, 68] Operation: 65+3=68 Exploring Operation: 65-3=62, Resulting Numbers: [81, 62] Generated Node #0,1,1: 76:[81, 62] Operation: 65-3=62 Exploring Operation: 81-65=16, Resulting Numbers: [3, 16] Generated Node #0,1,2: 76:[3, 16] Operation: 81-65=16 Exploring Operation: 81-3=78, Resulting Numbers: [65, 78] Generated Node #0,1,3: 76:[65, 78] Operation: 81-3=78 Moving to Node #0,2,0 Current State: 76:[16, 3], Operations: ['81-65=16', '69/23=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[3, 16], Operations: ['69/23=3', '81-65=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[69, 39], Operations: ['65-23=42', '81-42=39'] Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,76 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[69, 39], Operations: ['81-65=16', '23+16=39'] Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,76 unequal: No Solution Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[69, 7], Operations: ['81-65=16', '23-16=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[65, 23, 69, 81], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [23, 69, 16] Generated Node #0,2: 76:[23, 69, 16] Operation: 81-65=16 Moving to Node #0,2 Current State: 76:[23, 69, 16], Operations: ['81-65=16'] Exploring Operation: 23-16=7, Resulting Numbers: [69, 7] Generated Node #0,2,3: 76:[69, 7] Operation: 23-16=7 Moving to Node #0,2,3 Current State: 76:[69, 7], Operations: ['81-65=16', '23-16=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 45, 30, 42, 1 ]
87
[ "45-42=3", "30-1=29", "3*29=87" ]
Current State: 87:[45, 30, 42, 1], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [30, 1, 3] Generated Node #2: [30, 1, 3] from Operation: 45-42=3 Current State: 87:[30, 1, 3], Operations: ['45-42=3'] Exploring Operation: 30-1=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 30-1=29 Current State: 87:[3, 29], Operations: ['45-42=3', '30-1=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[45, 30, 42, 1], Operations: [] Exploring Operation: 45+42=87, Resulting Numbers: [30, 1, 87] Generated Node #0,0: 87:[30, 1, 87] Operation: 45+42=87 Exploring Operation: 45-42=3, Resulting Numbers: [30, 1, 3] Generated Node #0,1: 87:[30, 1, 3] Operation: 45-42=3 Moving to Node #0,0 Current State: 87:[30, 1, 87], Operations: ['45+42=87'] Exploring Operation: 30-1=29, Resulting Numbers: [87, 29] Generated Node #0,0,0: 87:[87, 29] Operation: 30-1=29 Exploring Operation: 30*1=30, Resulting Numbers: [87, 30] Generated Node #0,0,1: 87:[87, 30] Operation: 30*1=30 Moving to Node #0,1 Current State: 87:[30, 1, 3], Operations: ['45-42=3'] Exploring Operation: 30*1=30, Resulting Numbers: [3, 30] Generated Node #0,1,0: 87:[3, 30] Operation: 30*1=30 Exploring Operation: 30-1=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 87:[3, 29] Operation: 30-1=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[3, 29], Operations: ['45-42=3', '30-1=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[45, 30, 42, 1], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [30, 1, 3] Generated Node #0,1: 87:[30, 1, 3] Operation: 45-42=3 Moving to Node #0,1 Current State: 87:[30, 1, 3], Operations: ['45-42=3'] Exploring Operation: 30-1=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 87:[3, 29] Operation: 30-1=29 Moving to Node #0,1,1 Current State: 87:[3, 29], Operations: ['45-42=3', '30-1=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 64, 24, 95, 64 ]
24
[ "64-64=0", "95*0=0", "24+0=24" ]
Current State: 24:[64, 24, 95, 64], Operations: [] Exploring Operation: 64-64=0, Resulting Numbers: [24, 95, 0] Generated Node #2: [24, 95, 0] from Operation: 64-64=0 Current State: 24:[24, 95, 0], Operations: ['64-64=0'] Exploring Operation: 95*0=0, Resulting Numbers: [24, 0] Generated Node #3: [24, 0] from Operation: 95*0=0 Current State: 24:[24, 0], Operations: ['64-64=0', '95*0=0'] Exploring Operation: 24+0=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[64, 24, 95, 64], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [64, 24, 31] Generated Node #0,0: 24:[64, 24, 31] Operation: 95-64=31 Exploring Operation: 95-64=31, Resulting Numbers: [24, 64, 31] Generated Node #0,1: 24:[24, 64, 31] Operation: 95-64=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[64, 24, 31], Operations: ['95-64=31'] Exploring Operation: 64-24=40, Resulting Numbers: [31, 40] Generated Node #0,0,0: 24:[31, 40] Operation: 64-24=40 Exploring Operation: 64-31=33, Resulting Numbers: [24, 33] Generated Node #0,0,1: 24:[24, 33] Operation: 64-31=33 Moving to Node #0,0,1 Current State: 24:[24, 33], Operations: ['95-64=31', '64-31=33'] Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[31, 40], Operations: ['95-64=31', '64-24=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,24 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[24, 64, 31], Operations: ['95-64=31'] Exploring Operation: 64-24=40, Resulting Numbers: [31, 40] Generated Node #0,1,0: 24:[31, 40] Operation: 64-24=40 Exploring Operation: 64-31=33, Resulting Numbers: [24, 33] Generated Node #0,1,1: 24:[24, 33] Operation: 64-31=33 Moving to Node #0,1,1 Current State: 24:[24, 33], Operations: ['95-64=31', '64-31=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,24 unequal: No Solution Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[31, 40], Operations: ['95-64=31', '64-24=40'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,24 unequal: No Solution Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 15, 60, 34, 28 ]
27
[ "60/15=4", "28/4=7", "34-7=27" ]
Current State: 27:[15, 60, 34, 28], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [34, 28, 4] Generated Node #2: [34, 28, 4] from Operation: 60/15=4 Current State: 27:[34, 28, 4], Operations: ['60/15=4'] Exploring Operation: 28/4=7, Resulting Numbers: [34, 7] Generated Node #3: [34, 7] from Operation: 28/4=7 Current State: 27:[34, 7], Operations: ['60/15=4', '28/4=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[15, 60, 34, 28], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [34, 28, 4] Generated Node #0,0: 27:[34, 28, 4] Operation: 60/15=4 Exploring Operation: 60-28=32, Resulting Numbers: [15, 34, 32] Generated Node #0,1: 27:[15, 34, 32] Operation: 60-28=32 Exploring Operation: 60-34=26, Resulting Numbers: [15, 28, 26] Generated Node #0,2: 27:[15, 28, 26] Operation: 60-34=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[15, 28, 26], Operations: ['60-34=26'] Exploring Operation: 26-15=11, Resulting Numbers: [28, 11] Generated Node #0,2,0: 27:[28, 11] Operation: 26-15=11 Exploring Operation: 28-26=2, Resulting Numbers: [15, 2] Generated Node #0,2,1: 27:[15, 2] Operation: 28-26=2 Exploring Operation: 28-15=13, Resulting Numbers: [26, 13] Generated Node #0,2,2: 27:[26, 13] Operation: 28-15=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[28, 11], Operations: ['60-34=26', '26-15=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,27 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[26, 13], Operations: ['60-34=26', '28-15=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[15, 2], Operations: ['60-34=26', '28-26=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[34, 28, 4], Operations: ['60/15=4'] Exploring Operation: 28/4=7, Resulting Numbers: [34, 7] Generated Node #0,0,0: 27:[34, 7] Operation: 28/4=7 Exploring Operation: 34-28=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 27:[4, 6] Operation: 34-28=6 Exploring Operation: 34-4=30, Resulting Numbers: [28, 30] Generated Node #0,0,2: 27:[28, 30] Operation: 34-4=30 Moving to Node #0,0,1 Current State: 27:[4, 6], Operations: ['60/15=4', '34-28=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[28, 30], Operations: ['60/15=4', '34-4=30'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[34, 7], Operations: ['60/15=4', '28/4=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[15, 60, 34, 28], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [34, 28, 4] Generated Node #0,0: 27:[34, 28, 4] Operation: 60/15=4 Moving to Node #0,0 Current State: 27:[34, 28, 4], Operations: ['60/15=4'] Exploring Operation: 28/4=7, Resulting Numbers: [34, 7] Generated Node #0,0,0: 27:[34, 7] Operation: 28/4=7 Moving to Node #0,0,0 Current State: 27:[34, 7], Operations: ['60/15=4', '28/4=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 50, 77, 2, 21 ]
46
[ "77-50=27", "21-2=19", "27+19=46" ]
Current State: 46:[50, 77, 2, 21], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [2, 21, 27] Generated Node #2: [2, 21, 27] from Operation: 77-50=27 Current State: 46:[2, 21, 27], Operations: ['77-50=27'] Exploring Operation: 21-2=19, Resulting Numbers: [27, 19] Generated Node #3: [27, 19] from Operation: 21-2=19 Current State: 46:[27, 19], Operations: ['77-50=27', '21-2=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[50, 77, 2, 21], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [2, 21, 27] Generated Node #0,0: 46:[2, 21, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 46:[2, 21, 27], Operations: ['77-50=27'] Exploring Operation: 21+27=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 46:[2, 48] Operation: 21+27=48 Moving to Node #0,0,0 Current State: 46:[2, 48], Operations: ['77-50=27', '21+27=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[50, 77, 2, 21], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [2, 21, 27] Generated Node #0,0: 46:[2, 21, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 46:[2, 21, 27], Operations: ['77-50=27'] Exploring Operation: 21+27=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 46:[2, 48] Operation: 21+27=48 Moving to Node #0,0,0 Current State: 46:[2, 48], Operations: ['77-50=27', '21+27=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 99, 37, 51, 71 ]
66
[ "71-37=34", "99*34=3366", "3366/51=66" ]
Current State: 66:[99, 37, 51, 71], Operations: [] Exploring Operation: 71-37=34, Resulting Numbers: [99, 51, 34] Generated Node #2: [99, 51, 34] from Operation: 71-37=34 Current State: 66:[99, 51, 34], Operations: ['71-37=34'] Exploring Operation: 99*34=3366, Resulting Numbers: [51, 3366] Generated Node #3: [51, 3366] from Operation: 99*34=3366 Current State: 66:[51, 3366], Operations: ['71-37=34', '99*34=3366'] Exploring Operation: 3366/51=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[99, 37, 51, 71], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [37, 71, 48] Generated Node #0,0: 66:[37, 71, 48] Operation: 99-51=48 Exploring Operation: 99-71=28, Resulting Numbers: [37, 51, 28] Generated Node #0,1: 66:[37, 51, 28] Operation: 99-71=28 Exploring Operation: 99-37=62, Resulting Numbers: [51, 71, 62] Generated Node #0,2: 66:[51, 71, 62] Operation: 99-37=62 Moving to Node #0,0 Current State: 66:[37, 71, 48], Operations: ['99-51=48'] Exploring Operation: 71-37=34, Resulting Numbers: [48, 34] Generated Node #0,0,0: 66:[48, 34] Operation: 71-37=34 Exploring Operation: 48-37=11, Resulting Numbers: [71, 11] Generated Node #0,0,1: 66:[71, 11] Operation: 48-37=11 Exploring Operation: 71-48=23, Resulting Numbers: [37, 23] Generated Node #0,0,2: 66:[37, 23] Operation: 71-48=23 Moving to Node #0,1 Current State: 66:[37, 51, 28], Operations: ['99-71=28'] Exploring Operation: 37+28=65, Resulting Numbers: [51, 65] Generated Node #0,1,0: 66:[51, 65] Operation: 37+28=65 Exploring Operation: 51-28=23, Resulting Numbers: [37, 23] Generated Node #0,1,1: 66:[37, 23] Operation: 51-28=23 Exploring Operation: 51-37=14, Resulting Numbers: [28, 14] Generated Node #0,1,2: 66:[28, 14] Operation: 51-37=14 Moving to Node #0,2 Current State: 66:[51, 71, 62], Operations: ['99-37=62'] Exploring Operation: 71-62=9, Resulting Numbers: [51, 9] Generated Node #0,2,0: 66:[51, 9] Operation: 71-62=9 Exploring Operation: 62-51=11, Resulting Numbers: [71, 11] Generated Node #0,2,1: 66:[71, 11] Operation: 62-51=11 Exploring Operation: 71-51=20, Resulting Numbers: [62, 20] Generated Node #0,2,2: 66:[62, 20] Operation: 71-51=20 Moving to Node #0,0,1 Current State: 66:[71, 11], Operations: ['99-51=48', '48-37=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,66 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[71, 11], Operations: ['99-37=62', '62-51=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[37, 23], Operations: ['99-51=48', '71-48=23'] Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[37, 23], Operations: ['99-71=28', '51-28=23'] Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,66 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[62, 20], Operations: ['99-37=62', '71-51=20'] Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[28, 14], Operations: ['99-71=28', '51-37=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[48, 34], Operations: ['99-51=48', '71-37=34'] Exploring Operation: 48+34=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 48*34=1632, Resulting Numbers: [1632] 1632,66 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[51, 65], Operations: ['99-71=28', '37+28=65'] Exploring Operation: 51+65=116, Resulting Numbers: [116] 116,66 unequal: No Solution Exploring Operation: 51*65=3315, Resulting Numbers: [3315] 3315,66 unequal: No Solution Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[51, 9], Operations: ['99-37=62', '71-62=9'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 51*9=459, Resulting Numbers: [459] 459,66 unequal: No Solution Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,66 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 56, 60, 85 ]
79
[ "56-2=54", "85-60=25", "54+25=79" ]
Current State: 79:[2, 56, 60, 85], Operations: [] Exploring Operation: 56-2=54, Resulting Numbers: [60, 85, 54] Generated Node #2: [60, 85, 54] from Operation: 56-2=54 Current State: 79:[60, 85, 54], Operations: ['56-2=54'] Exploring Operation: 85-60=25, Resulting Numbers: [54, 25] Generated Node #3: [54, 25] from Operation: 85-60=25 Current State: 79:[54, 25], Operations: ['56-2=54', '85-60=25'] Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[2, 56, 60, 85], Operations: [] Exploring Operation: 56-2=54, Resulting Numbers: [60, 85, 54] Generated Node #0,0: 79:[60, 85, 54] Operation: 56-2=54 Exploring Operation: 85-2=83, Resulting Numbers: [56, 60, 83] Generated Node #0,1: 79:[56, 60, 83] Operation: 85-2=83 Exploring Operation: 2+56=58, Resulting Numbers: [60, 85, 58] Generated Node #0,2: 79:[60, 85, 58] Operation: 2+56=58 Exploring Operation: 2+60=62, Resulting Numbers: [56, 85, 62] Generated Node #0,3: 79:[56, 85, 62] Operation: 2+60=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[56, 60, 83], Operations: ['85-2=83'] Exploring Operation: 56+60=116, Resulting Numbers: [83, 116] Generated Node #0,1,0: 79:[83, 116] Operation: 56+60=116 Exploring Operation: 60-56=4, Resulting Numbers: [83, 4] Generated Node #0,1,1: 79:[83, 4] Operation: 60-56=4 Exploring Operation: 83-56=27, Resulting Numbers: [60, 27] Generated Node #0,1,2: 79:[60, 27] Operation: 83-56=27 Exploring Operation: 56+83=139, Resulting Numbers: [60, 139] Generated Node #0,1,3: 79:[60, 139] Operation: 56+83=139 Moving to Node #0,1,0 Current State: 79:[83, 116], Operations: ['85-2=83', '56+60=116'] Exploring Operation: 116-83=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 83*116=9628, Resulting Numbers: [9628] 9628,79 unequal: No Solution Exploring Operation: 83+116=199, Resulting Numbers: [199] 199,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[60, 27], Operations: ['85-2=83', '83-56=27'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,79 unequal: No Solution Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[60, 139], Operations: ['85-2=83', '56+83=139'] Exploring Operation: 60+139=199, Resulting Numbers: [199] 199,79 unequal: No Solution Exploring Operation: 60*139=8340, Resulting Numbers: [8340] 8340,79 unequal: No Solution Exploring Operation: 139-60=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[2, 56, 60, 85], Operations: [] Exploring Operation: 85-2=83, Resulting Numbers: [56, 60, 83] Generated Node #0,1: 79:[56, 60, 83] Operation: 85-2=83 Moving to Node #0,1 Current State: 79:[56, 60, 83], Operations: ['85-2=83'] Exploring Operation: 56+83=139, Resulting Numbers: [60, 139] Generated Node #0,1,3: 79:[60, 139] Operation: 56+83=139 Moving to Node #0,1,3 Current State: 79:[60, 139], Operations: ['85-2=83', '56+83=139'] Exploring Operation: 139-60=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 43, 69, 32, 53 ]
59
[ "69-43=26", "32+53=85", "85-26=59" ]
Current State: 59:[43, 69, 32, 53], Operations: [] Exploring Operation: 69-43=26, Resulting Numbers: [32, 53, 26] Generated Node #2: [32, 53, 26] from Operation: 69-43=26 Current State: 59:[32, 53, 26], Operations: ['69-43=26'] Exploring Operation: 32+53=85, Resulting Numbers: [26, 85] Generated Node #3: [26, 85] from Operation: 32+53=85 Current State: 59:[26, 85], Operations: ['69-43=26', '32+53=85'] Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[43, 69, 32, 53], Operations: [] Exploring Operation: 32+53=85, Resulting Numbers: [43, 69, 85] Generated Node #0,0: 59:[43, 69, 85] Operation: 32+53=85 Exploring Operation: 43+32=75, Resulting Numbers: [69, 53, 75] Generated Node #0,1: 59:[69, 53, 75] Operation: 43+32=75 Exploring Operation: 69-32=37, Resulting Numbers: [43, 53, 37] Generated Node #0,2: 59:[43, 53, 37] Operation: 69-32=37 Moving to Node #0,1 Current State: 59:[69, 53, 75], Operations: ['43+32=75'] Exploring Operation: 75-53=22, Resulting Numbers: [69, 22] Generated Node #0,1,0: 59:[69, 22] Operation: 75-53=22 Exploring Operation: 75-69=6, Resulting Numbers: [53, 6] Generated Node #0,1,1: 59:[53, 6] Operation: 75-69=6 Exploring Operation: 69-53=16, Resulting Numbers: [75, 16] Generated Node #0,1,2: 59:[75, 16] Operation: 69-53=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[69, 22], Operations: ['43+32=75', '75-53=22'] Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 69*22=1518, Resulting Numbers: [1518] 1518,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[53, 6], Operations: ['43+32=75', '75-69=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[43, 69, 32, 53], Operations: [] Exploring Operation: 43+32=75, Resulting Numbers: [69, 53, 75] Generated Node #0,1: 59:[69, 53, 75] Operation: 43+32=75 Moving to Node #0,1 Current State: 59:[69, 53, 75], Operations: ['43+32=75'] Exploring Operation: 75-69=6, Resulting Numbers: [53, 6] Generated Node #0,1,1: 59:[53, 6] Operation: 75-69=6 Moving to Node #0,1,1 Current State: 59:[53, 6], Operations: ['43+32=75', '75-69=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 9, 97, 41, 3 ]
53
[ "9+41=50", "3*50=150", "150-97=53" ]
Current State: 53:[9, 97, 41, 3], Operations: [] Exploring Operation: 9+41=50, Resulting Numbers: [97, 3, 50] Generated Node #2: [97, 3, 50] from Operation: 9+41=50 Current State: 53:[97, 3, 50], Operations: ['9+41=50'] Exploring Operation: 3*50=150, Resulting Numbers: [97, 150] Generated Node #3: [97, 150] from Operation: 3*50=150 Current State: 53:[97, 150], Operations: ['9+41=50', '3*50=150'] Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[9, 97, 41, 3], Operations: [] Exploring Operation: 9+3=12, Resulting Numbers: [97, 41, 12] Generated Node #0,0: 53:[97, 41, 12] Operation: 9+3=12 Exploring Operation: 9+41=50, Resulting Numbers: [97, 3, 50] Generated Node #0,1: 53:[97, 3, 50] Operation: 9+41=50 Exploring Operation: 97-9=88, Resulting Numbers: [41, 3, 88] Generated Node #0,2: 53:[41, 3, 88] Operation: 97-9=88 Exploring Operation: 9*3=27, Resulting Numbers: [97, 41, 27] Generated Node #0,3: 53:[97, 41, 27] Operation: 9*3=27 Exploring Operation: 97-41=56, Resulting Numbers: [9, 3, 56] Generated Node #0,4: 53:[9, 3, 56] Operation: 97-41=56 Moving to Node #0,3 Current State: 53:[97, 41, 27], Operations: ['9*3=27'] Exploring Operation: 41+27=68, Resulting Numbers: [97, 68] Generated Node #0,3,0: 53:[97, 68] Operation: 41+27=68 Exploring Operation: 41-27=14, Resulting Numbers: [97, 14] Generated Node #0,3,1: 53:[97, 14] Operation: 41-27=14 Exploring Operation: 97+27=124, Resulting Numbers: [41, 124] Generated Node #0,3,2: 53:[41, 124] Operation: 97+27=124 Exploring Operation: 97-41=56, Resulting Numbers: [27, 56] Generated Node #0,3,3: 53:[27, 56] Operation: 97-41=56 Exploring Operation: 97-27=70, Resulting Numbers: [41, 70] Generated Node #0,3,4: 53:[41, 70] Operation: 97-27=70 Moving to Node #0,1 Current State: 53:[97, 3, 50], Operations: ['9+41=50'] Exploring Operation: 3+50=53, Resulting Numbers: [97, 53] Generated Node #0,1,0: 53:[97, 53] Operation: 3+50=53 Exploring Operation: 50-3=47, Resulting Numbers: [97, 47] Generated Node #0,1,1: 53:[97, 47] Operation: 50-3=47 Exploring Operation: 97+3=100, Resulting Numbers: [50, 100] Generated Node #0,1,2: 53:[50, 100] Operation: 97+3=100 Exploring Operation: 97-3=94, Resulting Numbers: [50, 94] Generated Node #0,1,3: 53:[50, 94] Operation: 97-3=94 Exploring Operation: 97-50=47, Resulting Numbers: [3, 47] Generated Node #0,1,4: 53:[3, 47] Operation: 97-50=47 Moving to Node #0,4 Current State: 53:[9, 3, 56], Operations: ['97-41=56'] Exploring Operation: 3+56=59, Resulting Numbers: [9, 59] Generated Node #0,4,0: 53:[9, 59] Operation: 3+56=59 Exploring Operation: 9+3=12, Resulting Numbers: [56, 12] Generated Node #0,4,1: 53:[56, 12] Operation: 9+3=12 Exploring Operation: 56-3=53, Resulting Numbers: [9, 53] Generated Node #0,4,2: 53:[9, 53] Operation: 56-3=53 Exploring Operation: 9*3=27, Resulting Numbers: [56, 27] Generated Node #0,4,3: 53:[56, 27] Operation: 9*3=27 Exploring Operation: 9-3=6, Resulting Numbers: [56, 6] Generated Node #0,4,4: 53:[56, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 53:[56, 27], Operations: ['97-41=56', '9*3=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,53 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[56, 12], Operations: ['97-41=56', '9+3=12'] Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,53 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 53:[9, 53], Operations: ['97-41=56', '56-3=53'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[9, 59], Operations: ['97-41=56', '3+56=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,53 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 53:[56, 6], Operations: ['97-41=56', '9-3=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,53 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 53:[97, 41, 12], Operations: ['9+3=12'] Exploring Operation: 41-12=29, Resulting Numbers: [97, 29] Generated Node #0,0,0: 53:[97, 29] Operation: 41-12=29 Exploring Operation: 97+12=109, Resulting Numbers: [41, 109] Generated Node #0,0,1: 53:[41, 109] Operation: 97+12=109 Exploring Operation: 41+12=53, Resulting Numbers: [97, 53] Generated Node #0,0,2: 53:[97, 53] Operation: 41+12=53 Exploring Operation: 97-41=56, Resulting Numbers: [12, 56] Generated Node #0,0,3: 53:[12, 56] Operation: 97-41=56 Exploring Operation: 97-12=85, Resulting Numbers: [41, 85] Generated Node #0,0,4: 53:[41, 85] Operation: 97-12=85 Moving to Node #0,2 Current State: 53:[41, 3, 88], Operations: ['97-9=88'] Exploring Operation: 41-3=38, Resulting Numbers: [88, 38] Generated Node #0,2,0: 53:[88, 38] Operation: 41-3=38 Exploring Operation: 3+88=91, Resulting Numbers: [41, 91] Generated Node #0,2,1: 53:[41, 91] Operation: 3+88=91 Exploring Operation: 88-3=85, Resulting Numbers: [41, 85] Generated Node #0,2,2: 53:[41, 85] Operation: 88-3=85 Exploring Operation: 88-41=47, Resulting Numbers: [3, 47] Generated Node #0,2,3: 53:[3, 47] Operation: 88-41=47 Exploring Operation: 41+3=44, Resulting Numbers: [88, 44] Generated Node #0,2,4: 53:[88, 44] Operation: 41+3=44 Moving to Node #0,3,3 Current State: 53:[27, 56], Operations: ['9*3=27', '97-41=56'] Exploring Operation: 27*56=1512, Resulting Numbers: [1512] 1512,53 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 27+56=83, Resulting Numbers: [83] 83,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[41, 70], Operations: ['9*3=27', '97-27=70'] Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,53 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,53 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[97, 53], Operations: ['9+41=50', '3+50=53'] Exploring Operation: 97*53=5141, Resulting Numbers: [5141] 5141,53 unequal: No Solution Exploring Operation: 97-53=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 97+53=150, Resulting Numbers: [150] 150,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[50, 94], Operations: ['9+41=50', '97-3=94'] Exploring Operation: 50+94=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 50*94=4700, Resulting Numbers: [4700] 4700,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[12, 56], Operations: ['9+3=12', '97-41=56'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[41, 85], Operations: ['9+3=12', '97-12=85'] Exploring Operation: 41+85=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 41*85=3485, Resulting Numbers: [3485] 3485,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[97, 53], Operations: ['9+3=12', '41+12=53'] Exploring Operation: 97*53=5141, Resulting Numbers: [5141] 5141,53 unequal: No Solution Exploring Operation: 97+53=150, Resulting Numbers: [150] 150,53 unequal: No Solution Exploring Operation: 97-53=44, Resulting Numbers: [44] 44,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[41, 85], Operations: ['97-9=88', '88-3=85'] Exploring Operation: 41*85=3485, Resulting Numbers: [3485] 3485,53 unequal: No Solution Exploring Operation: 41+85=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[88, 44], Operations: ['97-9=88', '41+3=44'] Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 88+44=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 88*44=3872, Resulting Numbers: [3872] 3872,53 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[41, 91], Operations: ['97-9=88', '3+88=91'] Exploring Operation: 41+91=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 41*91=3731, Resulting Numbers: [3731] 3731,53 unequal: No Solution Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[88, 38], Operations: ['97-9=88', '41-3=38'] Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,53 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[50, 100], Operations: ['9+41=50', '97+3=100'] Exploring Operation: 50*100=5000, Resulting Numbers: [5000] 5000,53 unequal: No Solution Exploring Operation: 100/50=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 50+100=150, Resulting Numbers: [150] 150,53 unequal: No Solution Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[97, 47], Operations: ['9+41=50', '50-3=47'] Exploring Operation: 97+47=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 97*47=4559, Resulting Numbers: [4559] 4559,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[3, 47], Operations: ['9+41=50', '97-50=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,53 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[3, 47], Operations: ['97-9=88', '88-41=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,53 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[97, 68], Operations: ['9*3=27', '41+27=68'] Exploring Operation: 97-68=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 97*68=6596, Resulting Numbers: [6596] 6596,53 unequal: No Solution Exploring Operation: 97+68=165, Resulting Numbers: [165] 165,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[97, 29], Operations: ['9+3=12', '41-12=29'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 97+29=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 97*29=2813, Resulting Numbers: [2813] 2813,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[41, 109], Operations: ['9+3=12', '97+12=109'] Exploring Operation: 41+109=150, Resulting Numbers: [150] 150,53 unequal: No Solution Exploring Operation: 41*109=4469, Resulting Numbers: [4469] 4469,53 unequal: No Solution Exploring Operation: 109-41=68, Resulting Numbers: [68] 68,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[97, 14], Operations: ['9*3=27', '41-27=14'] Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,53 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[41, 124], Operations: ['9*3=27', '97+27=124'] Exploring Operation: 41*124=5084, Resulting Numbers: [5084] 5084,53 unequal: No Solution Exploring Operation: 124-41=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 41+124=165, Resulting Numbers: [165] 165,53 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 36, 71, 12, 81 ]
84
[ "81-71=10", "12*10=120", "120-36=84" ]
Current State: 84:[36, 71, 12, 81], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [36, 12, 10] Generated Node #2: [36, 12, 10] from Operation: 81-71=10 Current State: 84:[36, 12, 10], Operations: ['81-71=10'] Exploring Operation: 12*10=120, Resulting Numbers: [36, 120] Generated Node #3: [36, 120] from Operation: 12*10=120 Current State: 84:[36, 120], Operations: ['81-71=10', '12*10=120'] Exploring Operation: 120-36=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[36, 71, 12, 81], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [36, 12, 10] Generated Node #0,0: 84:[36, 12, 10] Operation: 81-71=10 Exploring Operation: 71+12=83, Resulting Numbers: [36, 81, 83] Generated Node #0,1: 84:[36, 81, 83] Operation: 71+12=83 Exploring Operation: 71-36=35, Resulting Numbers: [12, 81, 35] Generated Node #0,2: 84:[12, 81, 35] Operation: 71-36=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[36, 12, 10], Operations: ['81-71=10'] Exploring Operation: 36/12=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 84:[10, 3] Operation: 36/12=3 Exploring Operation: 36-10=26, Resulting Numbers: [12, 26] Generated Node #0,0,1: 84:[12, 26] Operation: 36-10=26 Exploring Operation: 36+10=46, Resulting Numbers: [12, 46] Generated Node #0,0,2: 84:[12, 46] Operation: 36+10=46 Moving to Node #0,0,0 Current State: 84:[10, 3], Operations: ['81-71=10', '36/12=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[12, 26], Operations: ['81-71=10', '36-10=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,84 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[12, 46], Operations: ['81-71=10', '36+10=46'] Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,84 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[36, 81, 83], Operations: ['71+12=83'] Exploring Operation: 81-36=45, Resulting Numbers: [83, 45] Generated Node #0,1,0: 84:[83, 45] Operation: 81-36=45 Exploring Operation: 83-36=47, Resulting Numbers: [81, 47] Generated Node #0,1,1: 84:[81, 47] Operation: 83-36=47 Exploring Operation: 83-81=2, Resulting Numbers: [36, 2] Generated Node #0,1,2: 84:[36, 2] Operation: 83-81=2 Moving to Node #0,1,0 Current State: 84:[83, 45], Operations: ['71+12=83', '81-36=45'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,84 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[36, 2], Operations: ['71+12=83', '83-81=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[81, 47], Operations: ['71+12=83', '83-36=47'] Exploring Operation: 81*47=3807, Resulting Numbers: [3807] 3807,84 unequal: No Solution Exploring Operation: 81+47=128, Resulting Numbers: [128] 128,84 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[12, 81, 35], Operations: ['71-36=35'] Exploring Operation: 35-12=23, Resulting Numbers: [81, 23] Generated Node #0,2,0: 84:[81, 23] Operation: 35-12=23 Exploring Operation: 12+35=47, Resulting Numbers: [81, 47] Generated Node #0,2,1: 84:[81, 47] Operation: 12+35=47 Exploring Operation: 81-35=46, Resulting Numbers: [12, 46] Generated Node #0,2,2: 84:[12, 46] Operation: 81-35=46 Moving to Node #0,2,2 Current State: 84:[12, 46], Operations: ['71-36=35', '81-35=46'] Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,84 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[81, 23], Operations: ['71-36=35', '35-12=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,84 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,84 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[81, 47], Operations: ['71-36=35', '12+35=47'] Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 81+47=128, Resulting Numbers: [128] 128,84 unequal: No Solution Exploring Operation: 81*47=3807, Resulting Numbers: [3807] 3807,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 58, 32, 35, 7 ]
63
[ "58-32=26", "35-26=9", "7*9=63" ]
Current State: 63:[58, 32, 35, 7], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [35, 7, 26] Generated Node #2: [35, 7, 26] from Operation: 58-32=26 Current State: 63:[35, 7, 26], Operations: ['58-32=26'] Exploring Operation: 35-26=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 35-26=9 Current State: 63:[7, 9], Operations: ['58-32=26', '35-26=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[58, 32, 35, 7], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [58, 7, 3] Generated Node #0,0: 63:[58, 7, 3] Operation: 35-32=3 Exploring Operation: 35/7=5, Resulting Numbers: [58, 32, 5] Generated Node #0,1: 63:[58, 32, 5] Operation: 35/7=5 Exploring Operation: 32+35=67, Resulting Numbers: [58, 7, 67] Generated Node #0,2: 63:[58, 7, 67] Operation: 32+35=67 Exploring Operation: 58-35=23, Resulting Numbers: [32, 7, 23] Generated Node #0,3: 63:[32, 7, 23] Operation: 58-35=23 Moving to Node #0,0 Current State: 63:[58, 7, 3], Operations: ['35-32=3'] Exploring Operation: 58+3=61, Resulting Numbers: [7, 61] Generated Node #0,0,0: 63:[7, 61] Operation: 58+3=61 Exploring Operation: 7*3=21, Resulting Numbers: [58, 21] Generated Node #0,0,1: 63:[58, 21] Operation: 7*3=21 Exploring Operation: 7+3=10, Resulting Numbers: [58, 10] Generated Node #0,0,2: 63:[58, 10] Operation: 7+3=10 Exploring Operation: 58+7=65, Resulting Numbers: [3, 65] Generated Node #0,0,3: 63:[3, 65] Operation: 58+7=65 Moving to Node #0,2 Current State: 63:[58, 7, 67], Operations: ['32+35=67'] Exploring Operation: 67-58=9, Resulting Numbers: [7, 9] Generated Node #0,2,0: 63:[7, 9] Operation: 67-58=9 Exploring Operation: 58-7=51, Resulting Numbers: [67, 51] Generated Node #0,2,1: 63:[67, 51] Operation: 58-7=51 Exploring Operation: 58+7=65, Resulting Numbers: [67, 65] Generated Node #0,2,2: 63:[67, 65] Operation: 58+7=65 Exploring Operation: 67-7=60, Resulting Numbers: [58, 60] Generated Node #0,2,3: 63:[58, 60] Operation: 67-7=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[7, 9], Operations: ['32+35=67', '67-58=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[58, 32, 35, 7], Operations: [] Exploring Operation: 32+35=67, Resulting Numbers: [58, 7, 67] Generated Node #0,2: 63:[58, 7, 67] Operation: 32+35=67 Moving to Node #0,2 Current State: 63:[58, 7, 67], Operations: ['32+35=67'] Exploring Operation: 67-58=9, Resulting Numbers: [7, 9] Generated Node #0,2,0: 63:[7, 9] Operation: 67-58=9 Moving to Node #0,2,0 Current State: 63:[7, 9], Operations: ['32+35=67', '67-58=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 61, 89, 24, 96 ]
92
[ "89-61=28", "24+96=120", "120-28=92" ]
Current State: 92:[61, 89, 24, 96], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [24, 96, 28] Generated Node #2: [24, 96, 28] from Operation: 89-61=28 Current State: 92:[24, 96, 28], Operations: ['89-61=28'] Exploring Operation: 24+96=120, Resulting Numbers: [28, 120] Generated Node #3: [28, 120] from Operation: 24+96=120 Current State: 92:[28, 120], Operations: ['89-61=28', '24+96=120'] Exploring Operation: 120-28=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[61, 89, 24, 96], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [24, 96, 28] Generated Node #0,0: 92:[24, 96, 28] Operation: 89-61=28 Exploring Operation: 61+24=85, Resulting Numbers: [89, 96, 85] Generated Node #0,1: 92:[89, 96, 85] Operation: 61+24=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[24, 96, 28], Operations: ['89-61=28'] Exploring Operation: 28-24=4, Resulting Numbers: [96, 4] Generated Node #0,0,0: 92:[96, 4] Operation: 28-24=4 Exploring Operation: 96/24=4, Resulting Numbers: [28, 4] Generated Node #0,0,1: 92:[28, 4] Operation: 96/24=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[96, 4], Operations: ['89-61=28', '28-24=4'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[61, 89, 24, 96], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [24, 96, 28] Generated Node #0,0: 92:[24, 96, 28] Operation: 89-61=28 Moving to Node #0,0 Current State: 92:[24, 96, 28], Operations: ['89-61=28'] Exploring Operation: 28-24=4, Resulting Numbers: [96, 4] Generated Node #0,0,0: 92:[96, 4] Operation: 28-24=4 Moving to Node #0,0,0 Current State: 92:[96, 4], Operations: ['89-61=28', '28-24=4'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 63, 62, 7, 73 ]
66
[ "63-62=1", "73-7=66", "1*66=66" ]
Current State: 66:[63, 62, 7, 73], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [7, 73, 1] Generated Node #2: [7, 73, 1] from Operation: 63-62=1 Current State: 66:[7, 73, 1], Operations: ['63-62=1'] Exploring Operation: 73-7=66, Resulting Numbers: [1, 66] Generated Node #3: [1, 66] from Operation: 73-7=66 Current State: 66:[1, 66], Operations: ['63-62=1', '73-7=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[63, 62, 7, 73], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [63, 7, 11] Generated Node #0,0: 66:[63, 7, 11] Operation: 73-62=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[63, 7, 11], Operations: ['73-62=11'] Exploring Operation: 63/7=9, Resulting Numbers: [11, 9] Generated Node #0,0,0: 66:[11, 9] Operation: 63/7=9 Moving to Node #0,0,0 Current State: 66:[11, 9], Operations: ['73-62=11', '63/7=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 20, 51, 82 ]
60
[ "20+82=102", "30*102=3060", "3060/51=60" ]
Current State: 60:[30, 20, 51, 82], Operations: [] Exploring Operation: 20+82=102, Resulting Numbers: [30, 51, 102] Generated Node #2: [30, 51, 102] from Operation: 20+82=102 Current State: 60:[30, 51, 102], Operations: ['20+82=102'] Exploring Operation: 30*102=3060, Resulting Numbers: [51, 3060] Generated Node #3: [51, 3060] from Operation: 30*102=3060 Current State: 60:[51, 3060], Operations: ['20+82=102', '30*102=3060'] Exploring Operation: 3060/51=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[30, 20, 51, 82], Operations: [] Exploring Operation: 82-20=62, Resulting Numbers: [30, 51, 62] Generated Node #0,0: 60:[30, 51, 62] Operation: 82-20=62 Exploring Operation: 82-51=31, Resulting Numbers: [30, 20, 31] Generated Node #0,1: 60:[30, 20, 31] Operation: 82-51=31 Exploring Operation: 51-30=21, Resulting Numbers: [20, 82, 21] Generated Node #0,2: 60:[20, 82, 21] Operation: 51-30=21 Exploring Operation: 82-30=52, Resulting Numbers: [20, 51, 52] Generated Node #0,3: 60:[20, 51, 52] Operation: 82-30=52 Moving to Node #0,1 Current State: 60:[30, 20, 31], Operations: ['82-51=31'] Exploring Operation: 30+31=61, Resulting Numbers: [20, 61] Generated Node #0,1,0: 60:[20, 61] Operation: 30+31=61 Exploring Operation: 31-20=11, Resulting Numbers: [30, 11] Generated Node #0,1,1: 60:[30, 11] Operation: 31-20=11 Exploring Operation: 30-20=10, Resulting Numbers: [31, 10] Generated Node #0,1,2: 60:[31, 10] Operation: 30-20=10 Exploring Operation: 31-30=1, Resulting Numbers: [20, 1] Generated Node #0,1,3: 60:[20, 1] Operation: 31-30=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[20, 61], Operations: ['82-51=31', '30+31=61'] Exploring Operation: 20*61=1220, Resulting Numbers: [1220] 1220,60 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 20+61=81, Resulting Numbers: [81] 81,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[30, 11], Operations: ['82-51=31', '31-20=11'] Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,60 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[31, 10], Operations: ['82-51=31', '30-20=10'] Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,60 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 60:[20, 1], Operations: ['82-51=31', '31-30=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[30, 51, 62], Operations: ['82-20=62'] Exploring Operation: 62-51=11, Resulting Numbers: [30, 11] Generated Node #0,0,0: 60:[30, 11] Operation: 62-51=11 Exploring Operation: 30+51=81, Resulting Numbers: [62, 81] Generated Node #0,0,1: 60:[62, 81] Operation: 30+51=81 Exploring Operation: 51-30=21, Resulting Numbers: [62, 21] Generated Node #0,0,2: 60:[62, 21] Operation: 51-30=21 Exploring Operation: 62-30=32, Resulting Numbers: [51, 32] Generated Node #0,0,3: 60:[51, 32] Operation: 62-30=32 Moving to Node #0,3 Current State: 60:[20, 51, 52], Operations: ['82-30=52'] Exploring Operation: 51-20=31, Resulting Numbers: [52, 31] Generated Node #0,3,0: 60:[52, 31] Operation: 51-20=31 Exploring Operation: 52-20=32, Resulting Numbers: [51, 32] Generated Node #0,3,1: 60:[51, 32] Operation: 52-20=32 Exploring Operation: 52-51=1, Resulting Numbers: [20, 1] Generated Node #0,3,2: 60:[20, 1] Operation: 52-51=1 Exploring Operation: 20+51=71, Resulting Numbers: [52, 71] Generated Node #0,3,3: 60:[52, 71] Operation: 20+51=71 Moving to Node #0,2 Current State: 60:[20, 82, 21], Operations: ['51-30=21'] Exploring Operation: 82-20=62, Resulting Numbers: [21, 62] Generated Node #0,2,0: 60:[21, 62] Operation: 82-20=62 Exploring Operation: 82-21=61, Resulting Numbers: [20, 61] Generated Node #0,2,1: 60:[20, 61] Operation: 82-21=61 Exploring Operation: 21-20=1, Resulting Numbers: [82, 1] Generated Node #0,2,2: 60:[82, 1] Operation: 21-20=1 Exploring Operation: 20+21=41, Resulting Numbers: [82, 41] Generated Node #0,2,3: 60:[82, 41] Operation: 20+21=41 Moving to Node #0,0,0 Current State: 60:[30, 11], Operations: ['82-20=62', '62-51=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[20, 1], Operations: ['82-30=52', '52-51=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[20, 61], Operations: ['51-30=21', '82-21=61'] Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 20*61=1220, Resulting Numbers: [1220] 1220,60 unequal: No Solution Exploring Operation: 20+61=81, Resulting Numbers: [81] 81,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[62, 21], Operations: ['82-20=62', '51-30=21'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[21, 62], Operations: ['51-30=21', '82-20=62'] Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,60 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[52, 31], Operations: ['82-30=52', '51-20=31'] Exploring Operation: 52*31=1612, Resulting Numbers: [1612] 1612,60 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[51, 32], Operations: ['82-30=52', '52-20=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,60 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[51, 32], Operations: ['82-20=62', '62-30=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,60 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[52, 71], Operations: ['82-30=52', '20+51=71'] Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,60 unequal: No Solution Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,60 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[62, 81], Operations: ['82-20=62', '30+51=81'] Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,60 unequal: No Solution Exploring Operation: 62*81=5022, Resulting Numbers: [5022] 5022,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[82, 1], Operations: ['51-30=21', '21-20=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,60 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[82, 41], Operations: ['51-30=21', '20+21=41'] Exploring Operation: 82*41=3362, Resulting Numbers: [3362] 3362,60 unequal: No Solution Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 82+41=123, Resulting Numbers: [123] 123,60 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 78, 54, 52, 2 ]
38
[ "78-54=24", "52+24=76", "76/2=38" ]
Current State: 38:[78, 54, 52, 2], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [52, 2, 24] Generated Node #2: [52, 2, 24] from Operation: 78-54=24 Current State: 38:[52, 2, 24], Operations: ['78-54=24'] Exploring Operation: 52+24=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 52+24=76 Current State: 38:[2, 76], Operations: ['78-54=24', '52+24=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[78, 54, 52, 2], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [52, 2, 24] Generated Node #0,0: 38:[52, 2, 24] Operation: 78-54=24 Exploring Operation: 78-52=26, Resulting Numbers: [54, 2, 26] Generated Node #0,1: 38:[54, 2, 26] Operation: 78-52=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[52, 2, 24], Operations: ['78-54=24'] Exploring Operation: 52/2=26, Resulting Numbers: [24, 26] Generated Node #0,0,0: 38:[24, 26] Operation: 52/2=26 Exploring Operation: 52-24=28, Resulting Numbers: [2, 28] Generated Node #0,0,1: 38:[2, 28] Operation: 52-24=28 Moving to Node #0,0,1 Current State: 38:[2, 28], Operations: ['78-54=24', '52-24=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[24, 26], Operations: ['78-54=24', '52/2=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[54, 2, 26], Operations: ['78-52=26'] Exploring Operation: 54-26=28, Resulting Numbers: [2, 28] Generated Node #0,1,0: 38:[2, 28] Operation: 54-26=28 Exploring Operation: 54/2=27, Resulting Numbers: [26, 27] Generated Node #0,1,1: 38:[26, 27] Operation: 54/2=27 Moving to Node #0,1,0 Current State: 38:[2, 28], Operations: ['78-52=26', '54-26=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[26, 27], Operations: ['78-52=26', '54/2=27'] Exploring Operation: 26+27=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 61, 2, 33 ]
23
[ "61-2=59", "33+59=92", "92/4=23" ]
Current State: 23:[4, 61, 2, 33], Operations: [] Exploring Operation: 61-2=59, Resulting Numbers: [4, 33, 59] Generated Node #2: [4, 33, 59] from Operation: 61-2=59 Current State: 23:[4, 33, 59], Operations: ['61-2=59'] Exploring Operation: 33+59=92, Resulting Numbers: [4, 92] Generated Node #3: [4, 92] from Operation: 33+59=92 Current State: 23:[4, 92], Operations: ['61-2=59', '33+59=92'] Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[4, 61, 2, 33], Operations: [] Exploring Operation: 61-33=28, Resulting Numbers: [4, 2, 28] Generated Node #0,0: 23:[4, 2, 28] Operation: 61-33=28 Exploring Operation: 4*2=8, Resulting Numbers: [61, 33, 8] Generated Node #0,1: 23:[61, 33, 8] Operation: 4*2=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[4, 2, 28], Operations: ['61-33=28'] Exploring Operation: 4+2=6, Resulting Numbers: [28, 6] Generated Node #0,0,0: 23:[28, 6] Operation: 4+2=6 Exploring Operation: 4*2=8, Resulting Numbers: [28, 8] Generated Node #0,0,1: 23:[28, 8] Operation: 4*2=8 Moving to Node #0,0,1 Current State: 23:[28, 8], Operations: ['61-33=28', '4*2=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,23 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[28, 6], Operations: ['61-33=28', '4+2=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[61, 33, 8], Operations: ['4*2=8'] Exploring Operation: 61-33=28, Resulting Numbers: [8, 28] Generated Node #0,1,0: 23:[8, 28] Operation: 61-33=28 Exploring Operation: 61-8=53, Resulting Numbers: [33, 53] Generated Node #0,1,1: 23:[33, 53] Operation: 61-8=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[8, 28], Operations: ['4*2=8', '61-33=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,23 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[33, 53], Operations: ['4*2=8', '61-8=53'] Exploring Operation: 33+53=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 23, 69, 98, 50 ]
44
[ "23+69=92", "98-50=48", "92-48=44" ]
Current State: 44:[23, 69, 98, 50], Operations: [] Exploring Operation: 23+69=92, Resulting Numbers: [98, 50, 92] Generated Node #2: [98, 50, 92] from Operation: 23+69=92 Current State: 44:[98, 50, 92], Operations: ['23+69=92'] Exploring Operation: 98-50=48, Resulting Numbers: [92, 48] Generated Node #3: [92, 48] from Operation: 98-50=48 Current State: 44:[92, 48], Operations: ['23+69=92', '98-50=48'] Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[23, 69, 98, 50], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [23, 69, 48] Generated Node #0,0: 44:[23, 69, 48] Operation: 98-50=48 Exploring Operation: 98-69=29, Resulting Numbers: [23, 50, 29] Generated Node #0,1: 44:[23, 50, 29] Operation: 98-69=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[23, 50, 29], Operations: ['98-69=29'] Exploring Operation: 50-29=21, Resulting Numbers: [23, 21] Generated Node #0,1,0: 44:[23, 21] Operation: 50-29=21 Exploring Operation: 29-23=6, Resulting Numbers: [50, 6] Generated Node #0,1,1: 44:[50, 6] Operation: 29-23=6 Moving to Node #0,1,0 Current State: 44:[23, 21], Operations: ['98-69=29', '50-29=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[23, 69, 98, 50], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [23, 50, 29] Generated Node #0,1: 44:[23, 50, 29] Operation: 98-69=29 Moving to Node #0,1 Current State: 44:[23, 50, 29], Operations: ['98-69=29'] Exploring Operation: 50-29=21, Resulting Numbers: [23, 21] Generated Node #0,1,0: 44:[23, 21] Operation: 50-29=21 Moving to Node #0,1,0 Current State: 44:[23, 21], Operations: ['98-69=29', '50-29=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 43, 6, 92, 78 ]
51
[ "43-6=37", "92-78=14", "37+14=51" ]
Current State: 51:[43, 6, 92, 78], Operations: [] Exploring Operation: 43-6=37, Resulting Numbers: [92, 78, 37] Generated Node #2: [92, 78, 37] from Operation: 43-6=37 Current State: 51:[92, 78, 37], Operations: ['43-6=37'] Exploring Operation: 92-78=14, Resulting Numbers: [37, 14] Generated Node #3: [37, 14] from Operation: 92-78=14 Current State: 51:[37, 14], Operations: ['43-6=37', '92-78=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[43, 6, 92, 78], Operations: [] Exploring Operation: 43+6=49, Resulting Numbers: [92, 78, 49] Generated Node #0,0: 51:[92, 78, 49] Operation: 43+6=49 Exploring Operation: 92-43=49, Resulting Numbers: [6, 78, 49] Generated Node #0,1: 51:[6, 78, 49] Operation: 92-43=49 Exploring Operation: 92-78=14, Resulting Numbers: [43, 6, 14] Generated Node #0,2: 51:[43, 6, 14] Operation: 92-78=14 Exploring Operation: 78/6=13, Resulting Numbers: [43, 92, 13] Generated Node #0,3: 51:[43, 92, 13] Operation: 78/6=13 Exploring Operation: 78-43=35, Resulting Numbers: [6, 92, 35] Generated Node #0,4: 51:[6, 92, 35] Operation: 78-43=35 Moving to Node #0,2 Current State: 51:[43, 6, 14], Operations: ['92-78=14'] Exploring Operation: 6+14=20, Resulting Numbers: [43, 20] Generated Node #0,2,0: 51:[43, 20] Operation: 6+14=20 Exploring Operation: 43-14=29, Resulting Numbers: [6, 29] Generated Node #0,2,1: 51:[6, 29] Operation: 43-14=29 Exploring Operation: 43+6=49, Resulting Numbers: [14, 49] Generated Node #0,2,2: 51:[14, 49] Operation: 43+6=49 Exploring Operation: 14-6=8, Resulting Numbers: [43, 8] Generated Node #0,2,3: 51:[43, 8] Operation: 14-6=8 Exploring Operation: 43+14=57, Resulting Numbers: [6, 57] Generated Node #0,2,4: 51:[6, 57] Operation: 43+14=57 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 51:[14, 49], Operations: ['92-78=14', '43+6=49'] Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,51 unequal: No Solution Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 51:[6, 57], Operations: ['92-78=14', '43+14=57'] Exploring Operation: 6*57=342, Resulting Numbers: [342] 342,51 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[43, 6, 92, 78], Operations: [] Exploring Operation: 92-78=14, Resulting Numbers: [43, 6, 14] Generated Node #0,2: 51:[43, 6, 14] Operation: 92-78=14 Moving to Node #0,2 Current State: 51:[43, 6, 14], Operations: ['92-78=14'] Exploring Operation: 43+14=57, Resulting Numbers: [6, 57] Generated Node #0,2,4: 51:[6, 57] Operation: 43+14=57 Moving to Node #0,2,4 Current State: 51:[6, 57], Operations: ['92-78=14', '43+14=57'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 10, 43, 88, 15 ]
19
[ "10*15=150", "43+88=131", "150-131=19" ]
Current State: 19:[10, 43, 88, 15], Operations: [] Exploring Operation: 10*15=150, Resulting Numbers: [43, 88, 150] Generated Node #2: [43, 88, 150] from Operation: 10*15=150 Current State: 19:[43, 88, 150], Operations: ['10*15=150'] Exploring Operation: 43+88=131, Resulting Numbers: [150, 131] Generated Node #3: [150, 131] from Operation: 43+88=131 Current State: 19:[150, 131], Operations: ['10*15=150', '43+88=131'] Exploring Operation: 150-131=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[10, 43, 88, 15], Operations: [] Exploring Operation: 88-10=78, Resulting Numbers: [43, 15, 78] Generated Node #0,0: 19:[43, 15, 78] Operation: 88-10=78 Exploring Operation: 88-43=45, Resulting Numbers: [10, 15, 45] Generated Node #0,1: 19:[10, 15, 45] Operation: 88-43=45 Exploring Operation: 43-15=28, Resulting Numbers: [10, 88, 28] Generated Node #0,2: 19:[10, 88, 28] Operation: 43-15=28 Exploring Operation: 43-10=33, Resulting Numbers: [88, 15, 33] Generated Node #0,3: 19:[88, 15, 33] Operation: 43-10=33 Exploring Operation: 88-15=73, Resulting Numbers: [10, 43, 73] Generated Node #0,4: 19:[10, 43, 73] Operation: 88-15=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[10, 15, 45], Operations: ['88-43=45'] Exploring Operation: 45-10=35, Resulting Numbers: [15, 35] Generated Node #0,1,0: 19:[15, 35] Operation: 45-10=35 Exploring Operation: 45/15=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 19:[10, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [10, 30] Generated Node #0,1,2: 19:[10, 30] Operation: 45-15=30 Exploring Operation: 15-10=5, Resulting Numbers: [45, 5] Generated Node #0,1,3: 19:[45, 5] Operation: 15-10=5 Exploring Operation: 10+15=25, Resulting Numbers: [45, 25] Generated Node #0,1,4: 19:[45, 25] Operation: 10+15=25 Moving to Node #0,1,0 Current State: 19:[15, 35], Operations: ['88-43=45', '45-10=35'] Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,19 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[10, 30], Operations: ['88-43=45', '45-15=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[10, 3], Operations: ['88-43=45', '45/15=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[45, 25], Operations: ['88-43=45', '10+15=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,19 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[45, 5], Operations: ['88-43=45', '15-10=5'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 45*5=225, Resulting Numbers: [225] 225,19 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[43, 15, 78], Operations: ['88-10=78'] Exploring Operation: 78-15=63, Resulting Numbers: [43, 63] Generated Node #0,0,0: 19:[43, 63] Operation: 78-15=63 Exploring Operation: 43+15=58, Resulting Numbers: [78, 58] Generated Node #0,0,1: 19:[78, 58] Operation: 43+15=58 Exploring Operation: 15+78=93, Resulting Numbers: [43, 93] Generated Node #0,0,2: 19:[43, 93] Operation: 15+78=93 Exploring Operation: 43-15=28, Resulting Numbers: [78, 28] Generated Node #0,0,3: 19:[78, 28] Operation: 43-15=28 Exploring Operation: 78-43=35, Resulting Numbers: [15, 35] Generated Node #0,0,4: 19:[15, 35] Operation: 78-43=35 Moving to Node #0,0,4 Current State: 19:[15, 35], Operations: ['88-10=78', '78-43=35'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[78, 28], Operations: ['88-10=78', '43-15=28'] Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,19 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[43, 63], Operations: ['88-10=78', '78-15=63'] Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,19 unequal: No Solution Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[78, 58], Operations: ['88-10=78', '43+15=58'] Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,19 unequal: No Solution Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,19 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[43, 93], Operations: ['88-10=78', '15+78=93'] Exploring Operation: 43+93=136, Resulting Numbers: [136] 136,19 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 43*93=3999, Resulting Numbers: [3999] 3999,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[10, 88, 28], Operations: ['43-15=28'] Exploring Operation: 10+88=98, Resulting Numbers: [28, 98] Generated Node #0,2,0: 19:[28, 98] Operation: 10+88=98 Exploring Operation: 10+28=38, Resulting Numbers: [88, 38] Generated Node #0,2,1: 19:[88, 38] Operation: 10+28=38 Exploring Operation: 88-10=78, Resulting Numbers: [28, 78] Generated Node #0,2,2: 19:[28, 78] Operation: 88-10=78 Exploring Operation: 88-28=60, Resulting Numbers: [10, 60] Generated Node #0,2,3: 19:[10, 60] Operation: 88-28=60 Exploring Operation: 28-10=18, Resulting Numbers: [88, 18] Generated Node #0,2,4: 19:[88, 18] Operation: 28-10=18 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 19:[10, 60], Operations: ['43-15=28', '88-28=60'] Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,19 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 19:[28, 78], Operations: ['43-15=28', '88-10=78'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,19 unequal: No Solution Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 19:[88, 18], Operations: ['43-15=28', '28-10=18'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 88*18=1584, Resulting Numbers: [1584] 1584,19 unequal: No Solution Exploring Operation: 88+18=106, Resulting Numbers: [106] 106,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 19:[28, 98], Operations: ['43-15=28', '10+88=98'] Exploring Operation: 28+98=126, Resulting Numbers: [126] 126,19 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 28*98=2744, Resulting Numbers: [2744] 2744,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[88, 38], Operations: ['43-15=28', '10+28=38'] Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,19 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,19 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[88, 15, 33], Operations: ['43-10=33'] Exploring Operation: 88+15=103, Resulting Numbers: [33, 103] Generated Node #0,3,0: 19:[33, 103] Operation: 88+15=103 Exploring Operation: 88-15=73, Resulting Numbers: [33, 73] Generated Node #0,3,1: 19:[33, 73] Operation: 88-15=73 Exploring Operation: 88-33=55, Resulting Numbers: [15, 55] Generated Node #0,3,2: 19:[15, 55] Operation: 88-33=55 Exploring Operation: 33-15=18, Resulting Numbers: [88, 18] Generated Node #0,3,3: 19:[88, 18] Operation: 33-15=18 Exploring Operation: 15+33=48, Resulting Numbers: [88, 48] Generated Node #0,3,4: 19:[88, 48] Operation: 15+33=48 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 19:[15, 55], Operations: ['43-10=33', '88-33=55'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 15*55=825, Resulting Numbers: [825] 825,19 unequal: No Solution Exploring Operation: 15+55=70, Resulting Numbers: [70] 70,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 19:[33, 73], Operations: ['43-10=33', '88-15=73'] Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,19 unequal: No Solution Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,19 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 19:[88, 18], Operations: ['43-10=33', '33-15=18'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 88*18=1584, Resulting Numbers: [1584] 1584,19 unequal: No Solution Exploring Operation: 88+18=106, Resulting Numbers: [106] 106,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 19:[33, 103], Operations: ['43-10=33', '88+15=103'] Exploring Operation: 33+103=136, Resulting Numbers: [136] 136,19 unequal: No Solution Exploring Operation: 33*103=3399, Resulting Numbers: [3399] 3399,19 unequal: No Solution Exploring Operation: 103-33=70, Resulting Numbers: [70] 70,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 19:[88, 48], Operations: ['43-10=33', '15+33=48'] Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 88*48=4224, Resulting Numbers: [4224] 4224,19 unequal: No Solution Exploring Operation: 88+48=136, Resulting Numbers: [136] 136,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 19:[10, 43, 73], Operations: ['88-15=73'] Exploring Operation: 73-10=63, Resulting Numbers: [43, 63] Generated Node #0,4,0: 19:[43, 63] Operation: 73-10=63 Exploring Operation: 43-10=33, Resulting Numbers: [73, 33] Generated Node #0,4,1: 19:[73, 33] Operation: 43-10=33 Exploring Operation: 10+73=83, Resulting Numbers: [43, 83] Generated Node #0,4,2: 19:[43, 83] Operation: 10+73=83 Exploring Operation: 73-43=30, Resulting Numbers: [10, 30] Generated Node #0,4,3: 19:[10, 30] Operation: 73-43=30 Exploring Operation: 10+43=53, Resulting Numbers: [73, 53] Generated Node #0,4,4: 19:[73, 53] Operation: 10+43=53 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 19:[10, 30], Operations: ['88-15=73', '73-43=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,19 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 19:[43, 63], Operations: ['88-15=73', '73-10=63'] Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,19 unequal: No Solution Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 19:[73, 33], Operations: ['88-15=73', '43-10=33'] Exploring Operation: 73+33=106, Resulting Numbers: [106] 106,19 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 73*33=2409, Resulting Numbers: [2409] 2409,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 19:[43, 83], Operations: ['88-15=73', '10+73=83'] Exploring Operation: 43+83=126, Resulting Numbers: [126] 126,19 unequal: No Solution Exploring Operation: 43*83=3569, Resulting Numbers: [3569] 3569,19 unequal: No Solution Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 19:[73, 53], Operations: ['88-15=73', '10+43=53'] Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 73*53=3869, Resulting Numbers: [3869] 3869,19 unequal: No Solution Exploring Operation: 73+53=126, Resulting Numbers: [126] 126,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 82, 44, 70, 9 ]
64
[ "82-70=12", "9*12=108", "108-44=64" ]
Current State: 64:[82, 44, 70, 9], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [44, 9, 12] Generated Node #2: [44, 9, 12] from Operation: 82-70=12 Current State: 64:[44, 9, 12], Operations: ['82-70=12'] Exploring Operation: 9*12=108, Resulting Numbers: [44, 108] Generated Node #3: [44, 108] from Operation: 9*12=108 Current State: 64:[44, 108], Operations: ['82-70=12', '9*12=108'] Exploring Operation: 108-44=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[82, 44, 70, 9], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [82, 9, 26] Generated Node #0,0: 64:[82, 9, 26] Operation: 70-44=26 Exploring Operation: 82-9=73, Resulting Numbers: [44, 70, 73] Generated Node #0,1: 64:[44, 70, 73] Operation: 82-9=73 Exploring Operation: 82-70=12, Resulting Numbers: [44, 9, 12] Generated Node #0,2: 64:[44, 9, 12] Operation: 82-70=12 Exploring Operation: 82-44=38, Resulting Numbers: [70, 9, 38] Generated Node #0,3: 64:[70, 9, 38] Operation: 82-44=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[70, 9, 38], Operations: ['82-44=38'] Exploring Operation: 38-9=29, Resulting Numbers: [70, 29] Generated Node #0,3,0: 64:[70, 29] Operation: 38-9=29 Exploring Operation: 70+9=79, Resulting Numbers: [38, 79] Generated Node #0,3,1: 64:[38, 79] Operation: 70+9=79 Exploring Operation: 70-38=32, Resulting Numbers: [9, 32] Generated Node #0,3,2: 64:[9, 32] Operation: 70-38=32 Exploring Operation: 70-9=61, Resulting Numbers: [38, 61] Generated Node #0,3,3: 64:[38, 61] Operation: 70-9=61 Moving to Node #0,3,2 Current State: 64:[9, 32], Operations: ['82-44=38', '70-38=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,64 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[38, 61], Operations: ['82-44=38', '70-9=61'] Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 38*61=2318, Resulting Numbers: [2318] 2318,64 unequal: No Solution Exploring Operation: 38+61=99, Resulting Numbers: [99] 99,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[70, 29], Operations: ['82-44=38', '38-9=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,64 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[38, 79], Operations: ['82-44=38', '70+9=79'] Exploring Operation: 38*79=3002, Resulting Numbers: [3002] 3002,64 unequal: No Solution Exploring Operation: 38+79=117, Resulting Numbers: [117] 117,64 unequal: No Solution Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[44, 9, 12], Operations: ['82-70=12'] Exploring Operation: 44-12=32, Resulting Numbers: [9, 32] Generated Node #0,2,0: 64:[9, 32] Operation: 44-12=32 Exploring Operation: 12-9=3, Resulting Numbers: [44, 3] Generated Node #0,2,1: 64:[44, 3] Operation: 12-9=3 Exploring Operation: 44+12=56, Resulting Numbers: [9, 56] Generated Node #0,2,2: 64:[9, 56] Operation: 44+12=56 Exploring Operation: 44-9=35, Resulting Numbers: [12, 35] Generated Node #0,2,3: 64:[12, 35] Operation: 44-9=35 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[9, 32], Operations: ['82-70=12', '44-12=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 64:[12, 35], Operations: ['82-70=12', '44-9=35'] Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 64:[9, 56], Operations: ['82-70=12', '44+12=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,64 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[44, 3], Operations: ['82-70=12', '12-9=3'] Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,64 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[82, 9, 26], Operations: ['70-44=26'] Exploring Operation: 26-9=17, Resulting Numbers: [82, 17] Generated Node #0,0,0: 64:[82, 17] Operation: 26-9=17 Exploring Operation: 82-9=73, Resulting Numbers: [26, 73] Generated Node #0,0,1: 64:[26, 73] Operation: 82-9=73 Exploring Operation: 82-26=56, Resulting Numbers: [9, 56] Generated Node #0,0,2: 64:[9, 56] Operation: 82-26=56 Exploring Operation: 9+26=35, Resulting Numbers: [82, 35] Generated Node #0,0,3: 64:[82, 35] Operation: 9+26=35 Moving to Node #0,0,2 Current State: 64:[9, 56], Operations: ['70-44=26', '82-26=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[26, 73], Operations: ['70-44=26', '82-9=73'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 26+73=99, Resulting Numbers: [99] 99,64 unequal: No Solution Exploring Operation: 26*73=1898, Resulting Numbers: [1898] 1898,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[82, 17], Operations: ['70-44=26', '26-9=17'] Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 82*17=1394, Resulting Numbers: [1394] 1394,64 unequal: No Solution Exploring Operation: 82+17=99, Resulting Numbers: [99] 99,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[82, 35], Operations: ['70-44=26', '9+26=35'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 82+35=117, Resulting Numbers: [117] 117,64 unequal: No Solution Exploring Operation: 82*35=2870, Resulting Numbers: [2870] 2870,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[44, 70, 73], Operations: ['82-9=73'] Exploring Operation: 73-70=3, Resulting Numbers: [44, 3] Generated Node #0,1,0: 64:[44, 3] Operation: 73-70=3 Exploring Operation: 70-44=26, Resulting Numbers: [73, 26] Generated Node #0,1,1: 64:[73, 26] Operation: 70-44=26 Exploring Operation: 44+70=114, Resulting Numbers: [73, 114] Generated Node #0,1,2: 64:[73, 114] Operation: 44+70=114 Exploring Operation: 73-44=29, Resulting Numbers: [70, 29] Generated Node #0,1,3: 64:[70, 29] Operation: 73-44=29 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 64:[70, 29], Operations: ['82-9=73', '73-44=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,64 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[44, 3], Operations: ['82-9=73', '73-70=3'] Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,64 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[73, 26], Operations: ['82-9=73', '70-44=26'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,64 unequal: No Solution Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 64:[73, 114], Operations: ['82-9=73', '44+70=114'] Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 73*114=8322, Resulting Numbers: [8322] 8322,64 unequal: No Solution Exploring Operation: 73+114=187, Resulting Numbers: [187] 187,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 31, 13, 55, 94 ]
93
[ "94-55=39", "31*39=1209", "1209/13=93" ]
Current State: 93:[31, 13, 55, 94], Operations: [] Exploring Operation: 94-55=39, Resulting Numbers: [31, 13, 39] Generated Node #2: [31, 13, 39] from Operation: 94-55=39 Current State: 93:[31, 13, 39], Operations: ['94-55=39'] Exploring Operation: 31*39=1209, Resulting Numbers: [13, 1209] Generated Node #3: [13, 1209] from Operation: 31*39=1209 Current State: 93:[13, 1209], Operations: ['94-55=39', '31*39=1209'] Exploring Operation: 1209/13=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[31, 13, 55, 94], Operations: [] Exploring Operation: 55-13=42, Resulting Numbers: [31, 94, 42] Generated Node #0,0: 93:[31, 94, 42] Operation: 55-13=42 Exploring Operation: 55-31=24, Resulting Numbers: [13, 94, 24] Generated Node #0,1: 93:[13, 94, 24] Operation: 55-31=24 Exploring Operation: 31+55=86, Resulting Numbers: [13, 94, 86] Generated Node #0,2: 93:[13, 94, 86] Operation: 31+55=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[31, 94, 42], Operations: ['55-13=42'] Exploring Operation: 94-42=52, Resulting Numbers: [31, 52] Generated Node #0,0,0: 93:[31, 52] Operation: 94-42=52 Exploring Operation: 42-31=11, Resulting Numbers: [94, 11] Generated Node #0,0,1: 93:[94, 11] Operation: 42-31=11 Exploring Operation: 31+42=73, Resulting Numbers: [94, 73] Generated Node #0,0,2: 93:[94, 73] Operation: 31+42=73 Moving to Node #0,0,1 Current State: 93:[94, 11], Operations: ['55-13=42', '42-31=11'] Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,93 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[31, 52], Operations: ['55-13=42', '94-42=52'] Exploring Operation: 31+52=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 31*52=1612, Resulting Numbers: [1612] 1612,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[94, 73], Operations: ['55-13=42', '31+42=73'] Exploring Operation: 94-73=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 94*73=6862, Resulting Numbers: [6862] 6862,93 unequal: No Solution Exploring Operation: 94+73=167, Resulting Numbers: [167] 167,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[13, 94, 24], Operations: ['55-31=24'] Exploring Operation: 13+24=37, Resulting Numbers: [94, 37] Generated Node #0,1,0: 93:[94, 37] Operation: 13+24=37 Exploring Operation: 24-13=11, Resulting Numbers: [94, 11] Generated Node #0,1,1: 93:[94, 11] Operation: 24-13=11 Exploring Operation: 94-13=81, Resulting Numbers: [24, 81] Generated Node #0,1,2: 93:[24, 81] Operation: 94-13=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 93:[94, 37], Operations: ['55-31=24', '13+24=37'] Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,93 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[94, 11], Operations: ['55-31=24', '24-13=11'] Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,93 unequal: No Solution Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,93 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 93:[24, 81], Operations: ['55-31=24', '94-13=81'] Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,93 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[13, 94, 86], Operations: ['31+55=86'] Exploring Operation: 13+86=99, Resulting Numbers: [94, 99] Generated Node #0,2,0: 93:[94, 99] Operation: 13+86=99 Exploring Operation: 94-13=81, Resulting Numbers: [86, 81] Generated Node #0,2,1: 93:[86, 81] Operation: 94-13=81 Exploring Operation: 94-86=8, Resulting Numbers: [13, 8] Generated Node #0,2,2: 93:[13, 8] Operation: 94-86=8 Moving to Node #0,2,0 Current State: 93:[94, 99], Operations: ['31+55=86', '13+86=99'] Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,93 unequal: No Solution Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[13, 8], Operations: ['31+55=86', '94-86=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,93 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[86, 81], Operations: ['31+55=86', '94-13=81'] Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 86+81=167, Resulting Numbers: [167] 167,93 unequal: No Solution Exploring Operation: 86*81=6966, Resulting Numbers: [6966] 6966,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 11, 43, 74, 58 ]
78
[ "11+43=54", "74+58=132", "132-54=78" ]
Current State: 78:[11, 43, 74, 58], Operations: [] Exploring Operation: 11+43=54, Resulting Numbers: [74, 58, 54] Generated Node #2: [74, 58, 54] from Operation: 11+43=54 Current State: 78:[74, 58, 54], Operations: ['11+43=54'] Exploring Operation: 74+58=132, Resulting Numbers: [54, 132] Generated Node #3: [54, 132] from Operation: 74+58=132 Current State: 78:[54, 132], Operations: ['11+43=54', '74+58=132'] Exploring Operation: 132-54=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[11, 43, 74, 58], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [11, 43, 16] Generated Node #0,0: 78:[11, 43, 16] Operation: 74-58=16 Exploring Operation: 58-43=15, Resulting Numbers: [11, 74, 15] Generated Node #0,1: 78:[11, 74, 15] Operation: 58-43=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[11, 74, 15], Operations: ['58-43=15'] Exploring Operation: 11+15=26, Resulting Numbers: [74, 26] Generated Node #0,1,0: 78:[74, 26] Operation: 11+15=26 Exploring Operation: 15-11=4, Resulting Numbers: [74, 4] Generated Node #0,1,1: 78:[74, 4] Operation: 15-11=4 Moving to Node #0,1,0 Current State: 78:[74, 26], Operations: ['58-43=15', '11+15=26'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 74+26=100, Resulting Numbers: [100] 100,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[74, 4], Operations: ['58-43=15', '15-11=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[11, 43, 74, 58], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [11, 74, 15] Generated Node #0,1: 78:[11, 74, 15] Operation: 58-43=15 Moving to Node #0,1 Current State: 78:[11, 74, 15], Operations: ['58-43=15'] Exploring Operation: 15-11=4, Resulting Numbers: [74, 4] Generated Node #0,1,1: 78:[74, 4] Operation: 15-11=4 Moving to Node #0,1,1 Current State: 78:[74, 4], Operations: ['58-43=15', '15-11=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 75, 7, 13, 71 ]
19
[ "75-13=62", "71+62=133", "133/7=19" ]
Current State: 19:[75, 7, 13, 71], Operations: [] Exploring Operation: 75-13=62, Resulting Numbers: [7, 71, 62] Generated Node #2: [7, 71, 62] from Operation: 75-13=62 Current State: 19:[7, 71, 62], Operations: ['75-13=62'] Exploring Operation: 71+62=133, Resulting Numbers: [7, 133] Generated Node #3: [7, 133] from Operation: 71+62=133 Current State: 19:[7, 133], Operations: ['75-13=62', '71+62=133'] Exploring Operation: 133/7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[75, 7, 13, 71], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [7, 13, 4] Generated Node #0,0: 19:[7, 13, 4] Operation: 75-71=4 Exploring Operation: 75-7=68, Resulting Numbers: [13, 71, 68] Generated Node #0,1: 19:[13, 71, 68] Operation: 75-7=68 Moving to Node #0,0 Current State: 19:[7, 13, 4], Operations: ['75-71=4'] Exploring Operation: 7+4=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 19:[13, 11] Operation: 7+4=11 Exploring Operation: 13+4=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 19:[7, 17] Operation: 13+4=17 Moving to Node #0,1 Current State: 19:[13, 71, 68], Operations: ['75-7=68'] Exploring Operation: 71-68=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 19:[13, 3] Operation: 71-68=3 Exploring Operation: 71-13=58, Resulting Numbers: [68, 58] Generated Node #0,1,1: 19:[68, 58] Operation: 71-13=58 Moving to Node #0,0,0 Current State: 19:[13, 11], Operations: ['75-71=4', '7+4=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[7, 17], Operations: ['75-71=4', '13+4=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[13, 3], Operations: ['75-7=68', '71-68=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[68, 58], Operations: ['75-7=68', '71-13=58'] Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 68+58=126, Resulting Numbers: [126] 126,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 19, 40, 10 ]
45
[ "40/10=4", "19-4=15", "3*15=45" ]
Current State: 45:[3, 19, 40, 10], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [3, 19, 4] Generated Node #2: [3, 19, 4] from Operation: 40/10=4 Current State: 45:[3, 19, 4], Operations: ['40/10=4'] Exploring Operation: 19-4=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 19-4=15 Current State: 45:[3, 15], Operations: ['40/10=4', '19-4=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[3, 19, 40, 10], Operations: [] Exploring Operation: 3+40=43, Resulting Numbers: [19, 10, 43] Generated Node #0,0: 45:[19, 10, 43] Operation: 3+40=43 Exploring Operation: 19-10=9, Resulting Numbers: [3, 40, 9] Generated Node #0,1: 45:[3, 40, 9] Operation: 19-10=9 Exploring Operation: 19-3=16, Resulting Numbers: [40, 10, 16] Generated Node #0,2: 45:[40, 10, 16] Operation: 19-3=16 Exploring Operation: 40/10=4, Resulting Numbers: [3, 19, 4] Generated Node #0,3: 45:[3, 19, 4] Operation: 40/10=4 Moving to Node #0,1 Current State: 45:[3, 40, 9], Operations: ['19-10=9'] Exploring Operation: 3+40=43, Resulting Numbers: [9, 43] Generated Node #0,1,0: 45:[9, 43] Operation: 3+40=43 Exploring Operation: 9-3=6, Resulting Numbers: [40, 6] Generated Node #0,1,1: 45:[40, 6] Operation: 9-3=6 Exploring Operation: 40+9=49, Resulting Numbers: [3, 49] Generated Node #0,1,2: 45:[3, 49] Operation: 40+9=49 Exploring Operation: 9/3=3, Resulting Numbers: [40, 3] Generated Node #0,1,3: 45:[40, 3] Operation: 9/3=3 Moving to Node #0,3 Current State: 45:[3, 19, 4], Operations: ['40/10=4'] Exploring Operation: 4-3=1, Resulting Numbers: [19, 1] Generated Node #0,3,0: 45:[19, 1] Operation: 4-3=1 Exploring Operation: 3+4=7, Resulting Numbers: [19, 7] Generated Node #0,3,1: 45:[19, 7] Operation: 3+4=7 Exploring Operation: 19-4=15, Resulting Numbers: [3, 15] Generated Node #0,3,2: 45:[3, 15] Operation: 19-4=15 Exploring Operation: 19-3=16, Resulting Numbers: [4, 16] Generated Node #0,3,3: 45:[4, 16] Operation: 19-3=16 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[3, 15], Operations: ['40/10=4', '19-4=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[3, 19, 40, 10], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [3, 19, 4] Generated Node #0,3: 45:[3, 19, 4] Operation: 40/10=4 Moving to Node #0,3 Current State: 45:[3, 19, 4], Operations: ['40/10=4'] Exploring Operation: 19-4=15, Resulting Numbers: [3, 15] Generated Node #0,3,2: 45:[3, 15] Operation: 19-4=15 Moving to Node #0,3,2 Current State: 45:[3, 15], Operations: ['40/10=4', '19-4=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 91, 74, 42, 37 ]
33
[ "91+74=165", "42-37=5", "165/5=33" ]
Current State: 33:[91, 74, 42, 37], Operations: [] Exploring Operation: 91+74=165, Resulting Numbers: [42, 37, 165] Generated Node #2: [42, 37, 165] from Operation: 91+74=165 Current State: 33:[42, 37, 165], Operations: ['91+74=165'] Exploring Operation: 42-37=5, Resulting Numbers: [165, 5] Generated Node #3: [165, 5] from Operation: 42-37=5 Current State: 33:[165, 5], Operations: ['91+74=165', '42-37=5'] Exploring Operation: 165/5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[91, 74, 42, 37], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [91, 37, 32] Generated Node #0,0: 33:[91, 37, 32] Operation: 74-42=32 Exploring Operation: 91-74=17, Resulting Numbers: [42, 37, 17] Generated Node #0,1: 33:[42, 37, 17] Operation: 91-74=17 Exploring Operation: 91-42=49, Resulting Numbers: [74, 37, 49] Generated Node #0,2: 33:[74, 37, 49] Operation: 91-42=49 Moving to Node #0,1 Current State: 33:[42, 37, 17], Operations: ['91-74=17'] Exploring Operation: 42-37=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 33:[17, 5] Operation: 42-37=5 Exploring Operation: 42-17=25, Resulting Numbers: [37, 25] Generated Node #0,1,1: 33:[37, 25] Operation: 42-17=25 Exploring Operation: 37-17=20, Resulting Numbers: [42, 20] Generated Node #0,1,2: 33:[42, 20] Operation: 37-17=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[17, 5], Operations: ['91-74=17', '42-37=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[37, 25], Operations: ['91-74=17', '42-17=25'] Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,33 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 33:[42, 20], Operations: ['91-74=17', '37-17=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 33:[74, 37, 49], Operations: ['91-42=49'] Exploring Operation: 74-49=25, Resulting Numbers: [37, 25] Generated Node #0,2,0: 33:[37, 25] Operation: 74-49=25 Exploring Operation: 74-37=37, Resulting Numbers: [49, 37] Generated Node #0,2,1: 33:[49, 37] Operation: 74-37=37 Exploring Operation: 74/37=2, Resulting Numbers: [49, 2] Generated Node #0,2,2: 33:[49, 2] Operation: 74/37=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 33:[37, 25], Operations: ['91-42=49', '74-49=25'] Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,33 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 33:[49, 2], Operations: ['91-42=49', '74/37=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,33 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 33:[49, 37], Operations: ['91-42=49', '74-37=37'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,33 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 33:[91, 37, 32], Operations: ['74-42=32'] Exploring Operation: 37-32=5, Resulting Numbers: [91, 5] Generated Node #0,0,0: 33:[91, 5] Operation: 37-32=5 Exploring Operation: 91-32=59, Resulting Numbers: [37, 59] Generated Node #0,0,1: 33:[37, 59] Operation: 91-32=59 Exploring Operation: 91-37=54, Resulting Numbers: [32, 54] Generated Node #0,0,2: 33:[32, 54] Operation: 91-37=54 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[32, 54], Operations: ['74-42=32', '91-37=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,33 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[37, 59], Operations: ['74-42=32', '91-32=59'] Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 37+59=96, Resulting Numbers: [96] 96,33 unequal: No Solution Exploring Operation: 37*59=2183, Resulting Numbers: [2183] 2183,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[91, 5], Operations: ['74-42=32', '37-32=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,33 unequal: No Solution Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,33 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 95, 19, 87, 43 ]
54
[ "95-19=76", "87+43=130", "130-76=54" ]
Current State: 54:[95, 19, 87, 43], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [87, 43, 76] Generated Node #2: [87, 43, 76] from Operation: 95-19=76 Current State: 54:[87, 43, 76], Operations: ['95-19=76'] Exploring Operation: 87+43=130, Resulting Numbers: [76, 130] Generated Node #3: [76, 130] from Operation: 87+43=130 Current State: 54:[76, 130], Operations: ['95-19=76', '87+43=130'] Exploring Operation: 130-76=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[95, 19, 87, 43], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [19, 43, 8] Generated Node #0,0: 54:[19, 43, 8] Operation: 95-87=8 Exploring Operation: 87-43=44, Resulting Numbers: [95, 19, 44] Generated Node #0,1: 54:[95, 19, 44] Operation: 87-43=44 Exploring Operation: 95/19=5, Resulting Numbers: [87, 43, 5] Generated Node #0,2: 54:[87, 43, 5] Operation: 95/19=5 Exploring Operation: 95-43=52, Resulting Numbers: [19, 87, 52] Generated Node #0,3: 54:[19, 87, 52] Operation: 95-43=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[19, 43, 8], Operations: ['95-87=8'] Exploring Operation: 43-8=35, Resulting Numbers: [19, 35] Generated Node #0,0,0: 54:[19, 35] Operation: 43-8=35 Exploring Operation: 43-19=24, Resulting Numbers: [8, 24] Generated Node #0,0,1: 54:[8, 24] Operation: 43-19=24 Exploring Operation: 43+8=51, Resulting Numbers: [19, 51] Generated Node #0,0,2: 54:[19, 51] Operation: 43+8=51 Exploring Operation: 19+43=62, Resulting Numbers: [8, 62] Generated Node #0,0,3: 54:[8, 62] Operation: 19+43=62 Moving to Node #0,0,1 Current State: 54:[8, 24], Operations: ['95-87=8', '43-19=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,54 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[19, 51], Operations: ['95-87=8', '43+8=51'] Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 19+51=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 19*51=969, Resulting Numbers: [969] 969,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[8, 62], Operations: ['95-87=8', '19+43=62'] Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,54 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[95, 19, 87, 43], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [19, 43, 8] Generated Node #0,0: 54:[19, 43, 8] Operation: 95-87=8 Moving to Node #0,0 Current State: 54:[19, 43, 8], Operations: ['95-87=8'] Exploring Operation: 19+43=62, Resulting Numbers: [8, 62] Generated Node #0,0,3: 54:[8, 62] Operation: 19+43=62 Moving to Node #0,0,3 Current State: 54:[8, 62], Operations: ['95-87=8', '19+43=62'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 6, 83, 43, 38 ]
17
[ "83+43=126", "126/6=21", "38-21=17" ]
Current State: 17:[6, 83, 43, 38], Operations: [] Exploring Operation: 83+43=126, Resulting Numbers: [6, 38, 126] Generated Node #2: [6, 38, 126] from Operation: 83+43=126 Current State: 17:[6, 38, 126], Operations: ['83+43=126'] Exploring Operation: 126/6=21, Resulting Numbers: [38, 21] Generated Node #3: [38, 21] from Operation: 126/6=21 Current State: 17:[38, 21], Operations: ['83+43=126', '126/6=21'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[6, 83, 43, 38], Operations: [] Exploring Operation: 83-43=40, Resulting Numbers: [6, 38, 40] Generated Node #0,0: 17:[6, 38, 40] Operation: 83-43=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[6, 38, 40], Operations: ['83-43=40'] Exploring Operation: 40-38=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 17:[6, 2] Operation: 40-38=2 Moving to Node #0,0,0 Current State: 17:[6, 2], Operations: ['83-43=40', '40-38=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 2, 75, 64 ]
43
[ "30+2=32", "75-64=11", "32+11=43" ]
Current State: 43:[30, 2, 75, 64], Operations: [] Exploring Operation: 30+2=32, Resulting Numbers: [75, 64, 32] Generated Node #2: [75, 64, 32] from Operation: 30+2=32 Current State: 43:[75, 64, 32], Operations: ['30+2=32'] Exploring Operation: 75-64=11, Resulting Numbers: [32, 11] Generated Node #3: [32, 11] from Operation: 75-64=11 Current State: 43:[32, 11], Operations: ['30+2=32', '75-64=11'] Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[30, 2, 75, 64], Operations: [] Exploring Operation: 30+2=32, Resulting Numbers: [75, 64, 32] Generated Node #0,0: 43:[75, 64, 32] Operation: 30+2=32 Exploring Operation: 64/2=32, Resulting Numbers: [30, 75, 32] Generated Node #0,1: 43:[30, 75, 32] Operation: 64/2=32 Moving to Node #0,1 Current State: 43:[30, 75, 32], Operations: ['64/2=32'] Exploring Operation: 75-32=43, Resulting Numbers: [30, 43] Generated Node #0,1,0: 43:[30, 43] Operation: 75-32=43 Exploring Operation: 75-30=45, Resulting Numbers: [32, 45] Generated Node #0,1,1: 43:[32, 45] Operation: 75-30=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[30, 43], Operations: ['64/2=32', '75-32=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[32, 45], Operations: ['64/2=32', '75-30=45'] Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 32+45=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 43:[75, 64, 32], Operations: ['30+2=32'] Exploring Operation: 75-32=43, Resulting Numbers: [64, 43] Generated Node #0,0,0: 43:[64, 43] Operation: 75-32=43 Exploring Operation: 75-64=11, Resulting Numbers: [32, 11] Generated Node #0,0,1: 43:[32, 11] Operation: 75-64=11 Moving to Node #0,0,0 Current State: 43:[64, 43], Operations: ['30+2=32', '75-32=43'] Exploring Operation: 64+43=107, Resulting Numbers: [107] 107,43 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[32, 11], Operations: ['30+2=32', '75-64=11'] Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[30, 2, 75, 64], Operations: [] Exploring Operation: 30+2=32, Resulting Numbers: [75, 64, 32] Generated Node #0,0: 43:[75, 64, 32] Operation: 30+2=32 Moving to Node #0,0 Current State: 43:[75, 64, 32], Operations: ['30+2=32'] Exploring Operation: 75-64=11, Resulting Numbers: [32, 11] Generated Node #0,0,1: 43:[32, 11] Operation: 75-64=11 Moving to Node #0,0,1 Current State: 43:[32, 11], Operations: ['30+2=32', '75-64=11'] Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 58, 35, 36, 21 ]
36
[ "58+35=93", "36+21=57", "93-57=36" ]
Current State: 36:[58, 35, 36, 21], Operations: [] Exploring Operation: 58+35=93, Resulting Numbers: [36, 21, 93] Generated Node #2: [36, 21, 93] from Operation: 58+35=93 Current State: 36:[36, 21, 93], Operations: ['58+35=93'] Exploring Operation: 36+21=57, Resulting Numbers: [93, 57] Generated Node #3: [93, 57] from Operation: 36+21=57 Current State: 36:[93, 57], Operations: ['58+35=93', '36+21=57'] Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[58, 35, 36, 21], Operations: [] Exploring Operation: 58-36=22, Resulting Numbers: [35, 21, 22] Generated Node #0,0: 36:[35, 21, 22] Operation: 58-36=22 Exploring Operation: 58-21=37, Resulting Numbers: [35, 36, 37] Generated Node #0,1: 36:[35, 36, 37] Operation: 58-21=37 Exploring Operation: 58-35=23, Resulting Numbers: [36, 21, 23] Generated Node #0,2: 36:[36, 21, 23] Operation: 58-35=23 Moving to Node #0,1 Current State: 36:[35, 36, 37], Operations: ['58-21=37'] Exploring Operation: 37-36=1, Resulting Numbers: [35, 1] Generated Node #0,1,0: 36:[35, 1] Operation: 37-36=1 Exploring Operation: 37-35=2, Resulting Numbers: [36, 2] Generated Node #0,1,1: 36:[36, 2] Operation: 37-35=2 Exploring Operation: 36-35=1, Resulting Numbers: [37, 1] Generated Node #0,1,2: 36:[37, 1] Operation: 36-35=1 Moving to Node #0,0 Current State: 36:[35, 21, 22], Operations: ['58-36=22'] Exploring Operation: 35-22=13, Resulting Numbers: [21, 13] Generated Node #0,0,0: 36:[21, 13] Operation: 35-22=13 Exploring Operation: 35-21=14, Resulting Numbers: [22, 14] Generated Node #0,0,1: 36:[22, 14] Operation: 35-21=14 Exploring Operation: 22-21=1, Resulting Numbers: [35, 1] Generated Node #0,0,2: 36:[35, 1] Operation: 22-21=1 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[35, 1], Operations: ['58-36=22', '22-21=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[58, 35, 36, 21], Operations: [] Exploring Operation: 58-36=22, Resulting Numbers: [35, 21, 22] Generated Node #0,0: 36:[35, 21, 22] Operation: 58-36=22 Moving to Node #0,0 Current State: 36:[35, 21, 22], Operations: ['58-36=22'] Exploring Operation: 22-21=1, Resulting Numbers: [35, 1] Generated Node #0,0,2: 36:[35, 1] Operation: 22-21=1 Moving to Node #0,0,2 Current State: 36:[35, 1], Operations: ['58-36=22', '22-21=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 94, 38, 26, 44 ]
23
[ "94+38=132", "132/44=3", "26-3=23" ]
Current State: 23:[94, 38, 26, 44], Operations: [] Exploring Operation: 94+38=132, Resulting Numbers: [26, 44, 132] Generated Node #2: [26, 44, 132] from Operation: 94+38=132 Current State: 23:[26, 44, 132], Operations: ['94+38=132'] Exploring Operation: 132/44=3, Resulting Numbers: [26, 3] Generated Node #3: [26, 3] from Operation: 132/44=3 Current State: 23:[26, 3], Operations: ['94+38=132', '132/44=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[94, 38, 26, 44], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [94, 26, 6] Generated Node #0,0: 23:[94, 26, 6] Operation: 44-38=6 Exploring Operation: 94-44=50, Resulting Numbers: [38, 26, 50] Generated Node #0,1: 23:[38, 26, 50] Operation: 94-44=50 Exploring Operation: 94-38=56, Resulting Numbers: [26, 44, 56] Generated Node #0,2: 23:[26, 44, 56] Operation: 94-38=56 Exploring Operation: 44-26=18, Resulting Numbers: [94, 38, 18] Generated Node #0,3: 23:[94, 38, 18] Operation: 44-26=18 Exploring Operation: 94-26=68, Resulting Numbers: [38, 44, 68] Generated Node #0,4: 23:[38, 44, 68] Operation: 94-26=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[38, 26, 50], Operations: ['94-44=50'] Exploring Operation: 38-26=12, Resulting Numbers: [50, 12] Generated Node #0,1,0: 23:[50, 12] Operation: 38-26=12 Exploring Operation: 50-26=24, Resulting Numbers: [38, 24] Generated Node #0,1,1: 23:[38, 24] Operation: 50-26=24 Exploring Operation: 38+50=88, Resulting Numbers: [26, 88] Generated Node #0,1,2: 23:[26, 88] Operation: 38+50=88 Exploring Operation: 50-38=12, Resulting Numbers: [26, 12] Generated Node #0,1,3: 23:[26, 12] Operation: 50-38=12 Exploring Operation: 38+26=64, Resulting Numbers: [50, 64] Generated Node #0,1,4: 23:[50, 64] Operation: 38+26=64 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 23:[26, 12], Operations: ['94-44=50', '50-38=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[38, 24], Operations: ['94-44=50', '50-26=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[50, 12], Operations: ['94-44=50', '38-26=12'] Exploring Operation: 50+12=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 50*12=600, Resulting Numbers: [600] 600,23 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[26, 88], Operations: ['94-44=50', '38+50=88'] Exploring Operation: 26*88=2288, Resulting Numbers: [2288] 2288,23 unequal: No Solution Exploring Operation: 26+88=114, Resulting Numbers: [114] 114,23 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 23:[50, 64], Operations: ['94-44=50', '38+26=64'] Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,23 unequal: No Solution Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[26, 44, 56], Operations: ['94-38=56'] Exploring Operation: 26+56=82, Resulting Numbers: [44, 82] Generated Node #0,2,0: 23:[44, 82] Operation: 26+56=82 Exploring Operation: 44-26=18, Resulting Numbers: [56, 18] Generated Node #0,2,1: 23:[56, 18] Operation: 44-26=18 Exploring Operation: 56-26=30, Resulting Numbers: [44, 30] Generated Node #0,2,2: 23:[44, 30] Operation: 56-26=30 Exploring Operation: 26+44=70, Resulting Numbers: [56, 70] Generated Node #0,2,3: 23:[56, 70] Operation: 26+44=70 Exploring Operation: 56-44=12, Resulting Numbers: [26, 12] Generated Node #0,2,4: 23:[26, 12] Operation: 56-44=12 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 23:[26, 12], Operations: ['94-38=56', '56-44=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,23 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[44, 30], Operations: ['94-38=56', '56-26=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,23 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,23 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[56, 18], Operations: ['94-38=56', '44-26=18'] Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,23 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[44, 82], Operations: ['94-38=56', '26+56=82'] Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[56, 70], Operations: ['94-38=56', '26+44=70'] Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,23 unequal: No Solution Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 23:[38, 44, 68], Operations: ['94-26=68'] Exploring Operation: 38+44=82, Resulting Numbers: [68, 82] Generated Node #0,4,0: 23:[68, 82] Operation: 38+44=82 Exploring Operation: 38+68=106, Resulting Numbers: [44, 106] Generated Node #0,4,1: 23:[44, 106] Operation: 38+68=106 Exploring Operation: 68-38=30, Resulting Numbers: [44, 30] Generated Node #0,4,2: 23:[44, 30] Operation: 68-38=30 Exploring Operation: 44-38=6, Resulting Numbers: [68, 6] Generated Node #0,4,3: 23:[68, 6] Operation: 44-38=6 Exploring Operation: 68-44=24, Resulting Numbers: [38, 24] Generated Node #0,4,4: 23:[38, 24] Operation: 68-44=24 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 23:[38, 24], Operations: ['94-26=68', '68-44=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,23 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 23:[44, 30], Operations: ['94-26=68', '68-38=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,23 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 23:[68, 6], Operations: ['94-26=68', '44-38=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,23 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,23 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 23:[68, 82], Operations: ['94-26=68', '38+44=82'] Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,23 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,23 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 23:[44, 106], Operations: ['94-26=68', '38+68=106'] Exploring Operation: 106-44=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 44*106=4664, Resulting Numbers: [4664] 4664,23 unequal: No Solution Exploring Operation: 44+106=150, Resulting Numbers: [150] 150,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[94, 26, 6], Operations: ['44-38=6'] Exploring Operation: 26+6=32, Resulting Numbers: [94, 32] Generated Node #0,0,0: 23:[94, 32] Operation: 26+6=32 Exploring Operation: 94+6=100, Resulting Numbers: [26, 100] Generated Node #0,0,1: 23:[26, 100] Operation: 94+6=100 Exploring Operation: 94-26=68, Resulting Numbers: [6, 68] Generated Node #0,0,2: 23:[6, 68] Operation: 94-26=68 Exploring Operation: 94-6=88, Resulting Numbers: [26, 88] Generated Node #0,0,3: 23:[26, 88] Operation: 94-6=88 Exploring Operation: 26-6=20, Resulting Numbers: [94, 20] Generated Node #0,0,4: 23:[94, 20] Operation: 26-6=20 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[6, 68], Operations: ['44-38=6', '94-26=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,23 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[26, 88], Operations: ['44-38=6', '94-6=88'] Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 26*88=2288, Resulting Numbers: [2288] 2288,23 unequal: No Solution Exploring Operation: 26+88=114, Resulting Numbers: [114] 114,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 23:[94, 20], Operations: ['44-38=6', '26-6=20'] Exploring Operation: 94+20=114, Resulting Numbers: [114] 114,23 unequal: No Solution Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,23 unequal: No Solution Exploring Operation: 94*20=1880, Resulting Numbers: [1880] 1880,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[94, 32], Operations: ['44-38=6', '26+6=32'] Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 94+32=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 94*32=3008, Resulting Numbers: [3008] 3008,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[26, 100], Operations: ['44-38=6', '94+6=100'] Exploring Operation: 26*100=2600, Resulting Numbers: [2600] 2600,23 unequal: No Solution Exploring Operation: 26+100=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 100-26=74, Resulting Numbers: [74] 74,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[94, 38, 18], Operations: ['44-26=18'] Exploring Operation: 94+18=112, Resulting Numbers: [38, 112] Generated Node #0,3,0: 23:[38, 112] Operation: 94+18=112 Exploring Operation: 94-38=56, Resulting Numbers: [18, 56] Generated Node #0,3,1: 23:[18, 56] Operation: 94-38=56 Exploring Operation: 38-18=20, Resulting Numbers: [94, 20] Generated Node #0,3,2: 23:[94, 20] Operation: 38-18=20 Exploring Operation: 38+18=56, Resulting Numbers: [94, 56] Generated Node #0,3,3: 23:[94, 56] Operation: 38+18=56 Exploring Operation: 94-18=76, Resulting Numbers: [38, 76] Generated Node #0,3,4: 23:[38, 76] Operation: 94-18=76 Moving to Node #0,3,1 Current State: 23:[18, 56], Operations: ['44-26=18', '94-38=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,23 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,23 unequal: No Solution Moving to Node #0,3,4 Current State: 23:[38, 76], Operations: ['44-26=18', '94-18=76'] Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,23 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[94, 20], Operations: ['44-26=18', '38-18=20'] Exploring Operation: 94*20=1880, Resulting Numbers: [1880] 1880,23 unequal: No Solution Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,23 unequal: No Solution Exploring Operation: 94+20=114, Resulting Numbers: [114] 114,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[38, 112], Operations: ['44-26=18', '94+18=112'] Exploring Operation: 38+112=150, Resulting Numbers: [150] 150,23 unequal: No Solution Exploring Operation: 38*112=4256, Resulting Numbers: [4256] 4256,23 unequal: No Solution Exploring Operation: 112-38=74, Resulting Numbers: [74] 74,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[94, 56], Operations: ['44-26=18', '38+18=56'] Exploring Operation: 94-56=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 94+56=150, Resulting Numbers: [150] 150,23 unequal: No Solution Exploring Operation: 94*56=5264, Resulting Numbers: [5264] 5264,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 47, 42, 15, 24 ]
14
[ "47-42=5", "24-15=9", "5+9=14" ]
Current State: 14:[47, 42, 15, 24], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [15, 24, 5] Generated Node #2: [15, 24, 5] from Operation: 47-42=5 Current State: 14:[15, 24, 5], Operations: ['47-42=5'] Exploring Operation: 24-15=9, Resulting Numbers: [5, 9] Generated Node #3: [5, 9] from Operation: 24-15=9 Current State: 14:[5, 9], Operations: ['47-42=5', '24-15=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[47, 42, 15, 24], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [15, 24, 5] Generated Node #0,0: 14:[15, 24, 5] Operation: 47-42=5 Moving to Node #0,0 Current State: 14:[15, 24, 5], Operations: ['47-42=5'] Exploring Operation: 24-15=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 24-15=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['47-42=5', '24-15=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[47, 42, 15, 24], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [15, 24, 5] Generated Node #0,0: 14:[15, 24, 5] Operation: 47-42=5 Moving to Node #0,0 Current State: 14:[15, 24, 5], Operations: ['47-42=5'] Exploring Operation: 24-15=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 24-15=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['47-42=5', '24-15=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 51, 24, 82, 76 ]
33
[ "51-24=27", "82-76=6", "27+6=33" ]
Current State: 33:[51, 24, 82, 76], Operations: [] Exploring Operation: 51-24=27, Resulting Numbers: [82, 76, 27] Generated Node #2: [82, 76, 27] from Operation: 51-24=27 Current State: 33:[82, 76, 27], Operations: ['51-24=27'] Exploring Operation: 82-76=6, Resulting Numbers: [27, 6] Generated Node #3: [27, 6] from Operation: 82-76=6 Current State: 33:[27, 6], Operations: ['51-24=27', '82-76=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[51, 24, 82, 76], Operations: [] Exploring Operation: 76-24=52, Resulting Numbers: [51, 82, 52] Generated Node #0,0: 33:[51, 82, 52] Operation: 76-24=52 Exploring Operation: 82-76=6, Resulting Numbers: [51, 24, 6] Generated Node #0,1: 33:[51, 24, 6] Operation: 82-76=6 Exploring Operation: 82-51=31, Resulting Numbers: [24, 76, 31] Generated Node #0,2: 33:[24, 76, 31] Operation: 82-51=31 Exploring Operation: 82-24=58, Resulting Numbers: [51, 76, 58] Generated Node #0,3: 33:[51, 76, 58] Operation: 82-24=58 Exploring Operation: 76-51=25, Resulting Numbers: [24, 82, 25] Generated Node #0,4: 33:[24, 82, 25] Operation: 76-51=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[51, 24, 6], Operations: ['82-76=6'] Exploring Operation: 51-6=45, Resulting Numbers: [24, 45] Generated Node #0,1,0: 33:[24, 45] Operation: 51-6=45 Exploring Operation: 24/6=4, Resulting Numbers: [51, 4] Generated Node #0,1,1: 33:[51, 4] Operation: 24/6=4 Exploring Operation: 24-6=18, Resulting Numbers: [51, 18] Generated Node #0,1,2: 33:[51, 18] Operation: 24-6=18 Exploring Operation: 24+6=30, Resulting Numbers: [51, 30] Generated Node #0,1,3: 33:[51, 30] Operation: 24+6=30 Exploring Operation: 51-24=27, Resulting Numbers: [6, 27] Generated Node #0,1,4: 33:[6, 27] Operation: 51-24=27 Moving to Node #0,1,4 Current State: 33:[6, 27], Operations: ['82-76=6', '51-24=27'] Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,33 unequal: No Solution Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[51, 24, 82, 76], Operations: [] Exploring Operation: 82-76=6, Resulting Numbers: [51, 24, 6] Generated Node #0,1: 33:[51, 24, 6] Operation: 82-76=6 Moving to Node #0,1 Current State: 33:[51, 24, 6], Operations: ['82-76=6'] Exploring Operation: 51-24=27, Resulting Numbers: [6, 27] Generated Node #0,1,4: 33:[6, 27] Operation: 51-24=27 Moving to Node #0,1,4 Current State: 33:[6, 27], Operations: ['82-76=6', '51-24=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 44, 13, 58, 2 ]
93
[ "44/2=22", "13+58=71", "22+71=93" ]
Current State: 93:[44, 13, 58, 2], Operations: [] Exploring Operation: 44/2=22, Resulting Numbers: [13, 58, 22] Generated Node #2: [13, 58, 22] from Operation: 44/2=22 Current State: 93:[13, 58, 22], Operations: ['44/2=22'] Exploring Operation: 13+58=71, Resulting Numbers: [22, 71] Generated Node #3: [22, 71] from Operation: 13+58=71 Current State: 93:[22, 71], Operations: ['44/2=22', '13+58=71'] Exploring Operation: 22+71=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[44, 13, 58, 2], Operations: [] Exploring Operation: 44+58=102, Resulting Numbers: [13, 2, 102] Generated Node #0,0: 93:[13, 2, 102] Operation: 44+58=102 Exploring Operation: 58-44=14, Resulting Numbers: [13, 2, 14] Generated Node #0,1: 93:[13, 2, 14] Operation: 58-44=14 Exploring Operation: 58/2=29, Resulting Numbers: [44, 13, 29] Generated Node #0,2: 93:[44, 13, 29] Operation: 58/2=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[13, 2, 102], Operations: ['44+58=102'] Exploring Operation: 13*2=26, Resulting Numbers: [102, 26] Generated Node #0,0,0: 93:[102, 26] Operation: 13*2=26 Exploring Operation: 102-13=89, Resulting Numbers: [2, 89] Generated Node #0,0,1: 93:[2, 89] Operation: 102-13=89 Exploring Operation: 13-2=11, Resulting Numbers: [102, 11] Generated Node #0,0,2: 93:[102, 11] Operation: 13-2=11 Moving to Node #0,0,1 Current State: 93:[2, 89], Operations: ['44+58=102', '102-13=89'] Exploring Operation: 2*89=178, Resulting Numbers: [178] 178,93 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[102, 26], Operations: ['44+58=102', '13*2=26'] Exploring Operation: 102+26=128, Resulting Numbers: [128] 128,93 unequal: No Solution Exploring Operation: 102-26=76, Resulting Numbers: [76] 76,93 unequal: No Solution Exploring Operation: 102*26=2652, Resulting Numbers: [2652] 2652,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[102, 11], Operations: ['44+58=102', '13-2=11'] Exploring Operation: 102*11=1122, Resulting Numbers: [1122] 1122,93 unequal: No Solution Exploring Operation: 102-11=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 102+11=113, Resulting Numbers: [113] 113,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[13, 2, 14], Operations: ['58-44=14'] Exploring Operation: 2*14=28, Resulting Numbers: [13, 28] Generated Node #0,1,0: 93:[13, 28] Operation: 2*14=28 Exploring Operation: 13+14=27, Resulting Numbers: [2, 27] Generated Node #0,1,1: 93:[2, 27] Operation: 13+14=27 Exploring Operation: 14-13=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 93:[2, 1] Operation: 14-13=1 Moving to Node #0,1,2 Current State: 93:[2, 1], Operations: ['58-44=14', '14-13=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[2, 27], Operations: ['58-44=14', '13+14=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,93 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[13, 28], Operations: ['58-44=14', '2*14=28'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[44, 13, 29], Operations: ['58/2=29'] Exploring Operation: 44-29=15, Resulting Numbers: [13, 15] Generated Node #0,2,0: 93:[13, 15] Operation: 44-29=15 Exploring Operation: 44-13=31, Resulting Numbers: [29, 31] Generated Node #0,2,1: 93:[29, 31] Operation: 44-13=31 Exploring Operation: 13+29=42, Resulting Numbers: [44, 42] Generated Node #0,2,2: 93:[44, 42] Operation: 13+29=42 Moving to Node #0,2,1 Current State: 93:[29, 31], Operations: ['58/2=29', '44-13=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,93 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[13, 15], Operations: ['58/2=29', '44-29=15'] Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,93 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[44, 42], Operations: ['58/2=29', '13+29=42'] Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,93 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 24, 5, 54, 49 ]
95
[ "24-5=19", "54-49=5", "19*5=95" ]
Current State: 95:[24, 5, 54, 49], Operations: [] Exploring Operation: 24-5=19, Resulting Numbers: [54, 49, 19] Generated Node #2: [54, 49, 19] from Operation: 24-5=19 Current State: 95:[54, 49, 19], Operations: ['24-5=19'] Exploring Operation: 54-49=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 54-49=5 Current State: 95:[19, 5], Operations: ['24-5=19', '54-49=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[24, 5, 54, 49], Operations: [] Exploring Operation: 24+54=78, Resulting Numbers: [5, 49, 78] Generated Node #0,0: 95:[5, 49, 78] Operation: 24+54=78 Exploring Operation: 54-24=30, Resulting Numbers: [5, 49, 30] Generated Node #0,1: 95:[5, 49, 30] Operation: 54-24=30 Exploring Operation: 49-24=25, Resulting Numbers: [5, 54, 25] Generated Node #0,2: 95:[5, 54, 25] Operation: 49-24=25 Exploring Operation: 54-49=5, Resulting Numbers: [24, 5, 5] Generated Node #0,3: 95:[24, 5, 5] Operation: 54-49=5 Exploring Operation: 54+49=103, Resulting Numbers: [24, 5, 103] Generated Node #0,4: 95:[24, 5, 103] Operation: 54+49=103 Moving to Node #0,3 Current State: 95:[24, 5, 5], Operations: ['54-49=5'] Exploring Operation: 24+5=29, Resulting Numbers: [5, 29] Generated Node #0,3,0: 95:[5, 29] Operation: 24+5=29 Exploring Operation: 24+5=29, Resulting Numbers: [5, 29] Generated Node #0,3,1: 95:[5, 29] Operation: 24+5=29 Exploring Operation: 24-5=19, Resulting Numbers: [5, 19] Generated Node #0,3,2: 95:[5, 19] Operation: 24-5=19 Exploring Operation: 5/5=1, Resulting Numbers: [24, 1] Generated Node #0,3,3: 95:[24, 1] Operation: 5/5=1 Exploring Operation: 24-5=19, Resulting Numbers: [5, 19] Generated Node #0,3,4: 95:[5, 19] Operation: 24-5=19 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 95:[5, 19], Operations: ['54-49=5', '24-5=19'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[24, 5, 54, 49], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [24, 5, 5] Generated Node #0,3: 95:[24, 5, 5] Operation: 54-49=5 Moving to Node #0,3 Current State: 95:[24, 5, 5], Operations: ['54-49=5'] Exploring Operation: 24-5=19, Resulting Numbers: [5, 19] Generated Node #0,3,2: 95:[5, 19] Operation: 24-5=19 Moving to Node #0,3,2 Current State: 95:[5, 19], Operations: ['54-49=5', '24-5=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 19, 39, 59, 75 ]
65
[ "39+75=114", "114/19=6", "59+6=65" ]
Current State: 65:[19, 39, 59, 75], Operations: [] Exploring Operation: 39+75=114, Resulting Numbers: [19, 59, 114] Generated Node #2: [19, 59, 114] from Operation: 39+75=114 Current State: 65:[19, 59, 114], Operations: ['39+75=114'] Exploring Operation: 114/19=6, Resulting Numbers: [59, 6] Generated Node #3: [59, 6] from Operation: 114/19=6 Current State: 65:[59, 6], Operations: ['39+75=114', '114/19=6'] Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[19, 39, 59, 75], Operations: [] Exploring Operation: 75-39=36, Resulting Numbers: [19, 59, 36] Generated Node #0,0: 65:[19, 59, 36] Operation: 75-39=36 Exploring Operation: 19+39=58, Resulting Numbers: [59, 75, 58] Generated Node #0,1: 65:[59, 75, 58] Operation: 19+39=58 Exploring Operation: 39-19=20, Resulting Numbers: [59, 75, 20] Generated Node #0,2: 65:[59, 75, 20] Operation: 39-19=20 Exploring Operation: 59-39=20, Resulting Numbers: [19, 75, 20] Generated Node #0,3: 65:[19, 75, 20] Operation: 59-39=20 Moving to Node #0,1 Current State: 65:[59, 75, 58], Operations: ['19+39=58'] Exploring Operation: 59-58=1, Resulting Numbers: [75, 1] Generated Node #0,1,0: 65:[75, 1] Operation: 59-58=1 Exploring Operation: 59+58=117, Resulting Numbers: [75, 117] Generated Node #0,1,1: 65:[75, 117] Operation: 59+58=117 Exploring Operation: 75-58=17, Resulting Numbers: [59, 17] Generated Node #0,1,2: 65:[59, 17] Operation: 75-58=17 Exploring Operation: 75-59=16, Resulting Numbers: [58, 16] Generated Node #0,1,3: 65:[58, 16] Operation: 75-59=16 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[59, 17], Operations: ['19+39=58', '75-58=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[58, 16], Operations: ['19+39=58', '75-59=16'] Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,65 unequal: No Solution Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[75, 1], Operations: ['19+39=58', '59-58=1'] Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[75, 117], Operations: ['19+39=58', '59+58=117'] Exploring Operation: 117-75=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 75*117=8775, Resulting Numbers: [8775] 8775,65 unequal: No Solution Exploring Operation: 75+117=192, Resulting Numbers: [192] 192,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 65:[19, 75, 20], Operations: ['59-39=20'] Exploring Operation: 75-20=55, Resulting Numbers: [19, 55] Generated Node #0,3,0: 65:[19, 55] Operation: 75-20=55 Exploring Operation: 20-19=1, Resulting Numbers: [75, 1] Generated Node #0,3,1: 65:[75, 1] Operation: 20-19=1 Exploring Operation: 75-19=56, Resulting Numbers: [20, 56] Generated Node #0,3,2: 65:[20, 56] Operation: 75-19=56 Exploring Operation: 19+75=94, Resulting Numbers: [20, 94] Generated Node #0,3,3: 65:[20, 94] Operation: 19+75=94 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 65:[75, 1], Operations: ['59-39=20', '20-19=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[19, 55], Operations: ['59-39=20', '75-20=55'] Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,65 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[20, 56], Operations: ['59-39=20', '75-19=56'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 65:[20, 94], Operations: ['59-39=20', '19+75=94'] Exploring Operation: 20+94=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 20*94=1880, Resulting Numbers: [1880] 1880,65 unequal: No Solution Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 65:[59, 75, 20], Operations: ['39-19=20'] Exploring Operation: 75-59=16, Resulting Numbers: [20, 16] Generated Node #0,2,0: 65:[20, 16] Operation: 75-59=16 Exploring Operation: 75-20=55, Resulting Numbers: [59, 55] Generated Node #0,2,1: 65:[59, 55] Operation: 75-20=55 Exploring Operation: 59+20=79, Resulting Numbers: [75, 79] Generated Node #0,2,2: 65:[75, 79] Operation: 59+20=79 Exploring Operation: 59-20=39, Resulting Numbers: [75, 39] Generated Node #0,2,3: 65:[75, 39] Operation: 59-20=39 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[20, 16], Operations: ['39-19=20', '75-59=16'] Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,65 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[59, 55], Operations: ['39-19=20', '75-20=55'] Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,65 unequal: No Solution Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[75, 79], Operations: ['39-19=20', '59+20=79'] Exploring Operation: 75*79=5925, Resulting Numbers: [5925] 5925,65 unequal: No Solution Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 75+79=154, Resulting Numbers: [154] 154,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[75, 39], Operations: ['39-19=20', '59-20=39'] Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,65 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[19, 59, 36], Operations: ['75-39=36'] Exploring Operation: 19+36=55, Resulting Numbers: [59, 55] Generated Node #0,0,0: 65:[59, 55] Operation: 19+36=55 Exploring Operation: 59-36=23, Resulting Numbers: [19, 23] Generated Node #0,0,1: 65:[19, 23] Operation: 59-36=23 Exploring Operation: 19+59=78, Resulting Numbers: [36, 78] Generated Node #0,0,2: 65:[36, 78] Operation: 19+59=78 Exploring Operation: 36-19=17, Resulting Numbers: [59, 17] Generated Node #0,0,3: 65:[59, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[59, 17], Operations: ['75-39=36', '36-19=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,65 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[59, 55], Operations: ['75-39=36', '19+36=55'] Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[19, 23], Operations: ['75-39=36', '59-36=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,65 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[36, 78], Operations: ['75-39=36', '19+59=78'] Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,65 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 19, 32, 85, 6 ]
98
[ "19*32=608", "85*6=510", "608-510=98" ]
Current State: 98:[19, 32, 85, 6], Operations: [] Exploring Operation: 19*32=608, Resulting Numbers: [85, 6, 608] Generated Node #2: [85, 6, 608] from Operation: 19*32=608 Current State: 98:[85, 6, 608], Operations: ['19*32=608'] Exploring Operation: 85*6=510, Resulting Numbers: [608, 510] Generated Node #3: [608, 510] from Operation: 85*6=510 Current State: 98:[608, 510], Operations: ['19*32=608', '85*6=510'] Exploring Operation: 608-510=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[19, 32, 85, 6], Operations: [] Exploring Operation: 85-32=53, Resulting Numbers: [19, 6, 53] Generated Node #0,0: 98:[19, 6, 53] Operation: 85-32=53 Exploring Operation: 19+85=104, Resulting Numbers: [32, 6, 104] Generated Node #0,1: 98:[32, 6, 104] Operation: 19+85=104 Exploring Operation: 32+85=117, Resulting Numbers: [19, 6, 117] Generated Node #0,2: 98:[19, 6, 117] Operation: 32+85=117 Exploring Operation: 32-19=13, Resulting Numbers: [85, 6, 13] Generated Node #0,3: 98:[85, 6, 13] Operation: 32-19=13 Exploring Operation: 19+32=51, Resulting Numbers: [85, 6, 51] Generated Node #0,4: 98:[85, 6, 51] Operation: 19+32=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[19, 6, 53], Operations: ['85-32=53'] Exploring Operation: 19-6=13, Resulting Numbers: [53, 13] Generated Node #0,0,0: 98:[53, 13] Operation: 19-6=13 Exploring Operation: 6+53=59, Resulting Numbers: [19, 59] Generated Node #0,0,1: 98:[19, 59] Operation: 6+53=59 Exploring Operation: 19+6=25, Resulting Numbers: [53, 25] Generated Node #0,0,2: 98:[53, 25] Operation: 19+6=25 Exploring Operation: 53-6=47, Resulting Numbers: [19, 47] Generated Node #0,0,3: 98:[19, 47] Operation: 53-6=47 Exploring Operation: 53-19=34, Resulting Numbers: [6, 34] Generated Node #0,0,4: 98:[6, 34] Operation: 53-19=34 Moving to Node #0,0,0 Current State: 98:[53, 13], Operations: ['85-32=53', '19-6=13'] Exploring Operation: 53*13=689, Resulting Numbers: [689] 689,98 unequal: No Solution Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[19, 47], Operations: ['85-32=53', '53-6=47'] Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,98 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[19, 59], Operations: ['85-32=53', '6+53=59'] Exploring Operation: 19*59=1121, Resulting Numbers: [1121] 1121,98 unequal: No Solution Exploring Operation: 19+59=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[53, 25], Operations: ['85-32=53', '19+6=25'] Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,98 unequal: No Solution Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[6, 34], Operations: ['85-32=53', '53-19=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,98 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[85, 6, 13], Operations: ['32-19=13'] Exploring Operation: 13-6=7, Resulting Numbers: [85, 7] Generated Node #0,3,0: 98:[85, 7] Operation: 13-6=7 Exploring Operation: 85+13=98, Resulting Numbers: [6, 98] Generated Node #0,3,1: 98:[6, 98] Operation: 85+13=98 Exploring Operation: 85-6=79, Resulting Numbers: [13, 79] Generated Node #0,3,2: 98:[13, 79] Operation: 85-6=79 Exploring Operation: 6+13=19, Resulting Numbers: [85, 19] Generated Node #0,3,3: 98:[85, 19] Operation: 6+13=19 Exploring Operation: 85+6=91, Resulting Numbers: [13, 91] Generated Node #0,3,4: 98:[13, 91] Operation: 85+6=91 Moving to Node #0,3,1 Current State: 98:[6, 98], Operations: ['32-19=13', '85+13=98'] Exploring Operation: 6+98=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 6*98=588, Resulting Numbers: [588] 588,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[13, 91], Operations: ['32-19=13', '85+6=91'] Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[85, 7], Operations: ['32-19=13', '13-6=7'] Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,98 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[85, 19], Operations: ['32-19=13', '6+13=19'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 85*19=1615, Resulting Numbers: [1615] 1615,98 unequal: No Solution Exploring Operation: 85+19=104, Resulting Numbers: [104] 104,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[13, 79], Operations: ['32-19=13', '85-6=79'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 13+79=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 13*79=1027, Resulting Numbers: [1027] 1027,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[85, 6, 51], Operations: ['19+32=51'] Exploring Operation: 51-6=45, Resulting Numbers: [85, 45] Generated Node #0,4,0: 98:[85, 45] Operation: 51-6=45 Exploring Operation: 85-51=34, Resulting Numbers: [6, 34] Generated Node #0,4,1: 98:[6, 34] Operation: 85-51=34 Exploring Operation: 85+6=91, Resulting Numbers: [51, 91] Generated Node #0,4,2: 98:[51, 91] Operation: 85+6=91 Exploring Operation: 6+51=57, Resulting Numbers: [85, 57] Generated Node #0,4,3: 98:[85, 57] Operation: 6+51=57 Exploring Operation: 85-6=79, Resulting Numbers: [51, 79] Generated Node #0,4,4: 98:[51, 79] Operation: 85-6=79 Moving to Node #0,4,2 Current State: 98:[51, 91], Operations: ['19+32=51', '85+6=91'] Exploring Operation: 51*91=4641, Resulting Numbers: [4641] 4641,98 unequal: No Solution Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 51+91=142, Resulting Numbers: [142] 142,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[6, 34], Operations: ['19+32=51', '85-51=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[85, 45], Operations: ['19+32=51', '51-6=45'] Exploring Operation: 85+45=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 85*45=3825, Resulting Numbers: [3825] 3825,98 unequal: No Solution Exploring Operation: 85-45=40, Resulting Numbers: [40] 40,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[85, 57], Operations: ['19+32=51', '6+51=57'] Exploring Operation: 85-57=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 85+57=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 85*57=4845, Resulting Numbers: [4845] 4845,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[51, 79], Operations: ['19+32=51', '85-6=79'] Exploring Operation: 51*79=4029, Resulting Numbers: [4029] 4029,98 unequal: No Solution Exploring Operation: 51+79=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[32, 6, 104], Operations: ['19+85=104'] Exploring Operation: 32-6=26, Resulting Numbers: [104, 26] Generated Node #0,1,0: 98:[104, 26] Operation: 32-6=26 Exploring Operation: 32+6=38, Resulting Numbers: [104, 38] Generated Node #0,1,1: 98:[104, 38] Operation: 32+6=38 Exploring Operation: 6+104=110, Resulting Numbers: [32, 110] Generated Node #0,1,2: 98:[32, 110] Operation: 6+104=110 Exploring Operation: 104-6=98, Resulting Numbers: [32, 98] Generated Node #0,1,3: 98:[32, 98] Operation: 104-6=98 Exploring Operation: 104-32=72, Resulting Numbers: [6, 72] Generated Node #0,1,4: 98:[6, 72] Operation: 104-32=72 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[104, 38], Operations: ['19+85=104', '32+6=38'] Exploring Operation: 104-38=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 104*38=3952, Resulting Numbers: [3952] 3952,98 unequal: No Solution Exploring Operation: 104+38=142, Resulting Numbers: [142] 142,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[32, 98], Operations: ['19+85=104', '104-6=98'] Exploring Operation: 98-32=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 32+98=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 32*98=3136, Resulting Numbers: [3136] 3136,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[104, 26], Operations: ['19+85=104', '32-6=26'] Exploring Operation: 104-26=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 104+26=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 104*26=2704, Resulting Numbers: [2704] 2704,98 unequal: No Solution Exploring Operation: 104/26=4, Resulting Numbers: [4] 4,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[6, 72], Operations: ['19+85=104', '104-32=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 6*72=432, Resulting Numbers: [432] 432,98 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[32, 110], Operations: ['19+85=104', '6+104=110'] Exploring Operation: 32+110=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 32*110=3520, Resulting Numbers: [3520] 3520,98 unequal: No Solution Exploring Operation: 110-32=78, Resulting Numbers: [78] 78,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[19, 6, 117], Operations: ['32+85=117'] Exploring Operation: 117-19=98, Resulting Numbers: [6, 98] Generated Node #0,2,0: 98:[6, 98] Operation: 117-19=98 Exploring Operation: 117-6=111, Resulting Numbers: [19, 111] Generated Node #0,2,1: 98:[19, 111] Operation: 117-6=111 Exploring Operation: 19+6=25, Resulting Numbers: [117, 25] Generated Node #0,2,2: 98:[117, 25] Operation: 19+6=25 Exploring Operation: 6+117=123, Resulting Numbers: [19, 123] Generated Node #0,2,3: 98:[19, 123] Operation: 6+117=123 Exploring Operation: 19-6=13, Resulting Numbers: [117, 13] Generated Node #0,2,4: 98:[117, 13] Operation: 19-6=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[6, 98], Operations: ['32+85=117', '117-19=98'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 6*98=588, Resulting Numbers: [588] 588,98 unequal: No Solution Exploring Operation: 6+98=104, Resulting Numbers: [104] 104,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[19, 111], Operations: ['32+85=117', '117-6=111'] Exploring Operation: 111-19=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 19*111=2109, Resulting Numbers: [2109] 2109,98 unequal: No Solution Exploring Operation: 19+111=130, Resulting Numbers: [130] 130,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 98:[117, 13], Operations: ['32+85=117', '19-6=13'] Exploring Operation: 117-13=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 117/13=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 117*13=1521, Resulting Numbers: [1521] 1521,98 unequal: No Solution Exploring Operation: 117+13=130, Resulting Numbers: [130] 130,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[117, 25], Operations: ['32+85=117', '19+6=25'] Exploring Operation: 117-25=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 117*25=2925, Resulting Numbers: [2925] 2925,98 unequal: No Solution Exploring Operation: 117+25=142, Resulting Numbers: [142] 142,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 98:[19, 123], Operations: ['32+85=117', '6+117=123'] Exploring Operation: 123-19=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 19+123=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 19*123=2337, Resulting Numbers: [2337] 2337,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 74, 16, 29, 12 ]
73
[ "74+16=90", "29-12=17", "90-17=73" ]
Current State: 73:[74, 16, 29, 12], Operations: [] Exploring Operation: 74+16=90, Resulting Numbers: [29, 12, 90] Generated Node #2: [29, 12, 90] from Operation: 74+16=90 Current State: 73:[29, 12, 90], Operations: ['74+16=90'] Exploring Operation: 29-12=17, Resulting Numbers: [90, 17] Generated Node #3: [90, 17] from Operation: 29-12=17 Current State: 73:[90, 17], Operations: ['74+16=90', '29-12=17'] Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[74, 16, 29, 12], Operations: [] Exploring Operation: 16+29=45, Resulting Numbers: [74, 12, 45] Generated Node #0,0: 73:[74, 12, 45] Operation: 16+29=45 Exploring Operation: 29+12=41, Resulting Numbers: [74, 16, 41] Generated Node #0,1: 73:[74, 16, 41] Operation: 29+12=41 Exploring Operation: 16+12=28, Resulting Numbers: [74, 29, 28] Generated Node #0,2: 73:[74, 29, 28] Operation: 16+12=28 Moving to Node #0,0 Current State: 73:[74, 12, 45], Operations: ['16+29=45'] Exploring Operation: 74-12=62, Resulting Numbers: [45, 62] Generated Node #0,0,0: 73:[45, 62] Operation: 74-12=62 Exploring Operation: 12+45=57, Resulting Numbers: [74, 57] Generated Node #0,0,1: 73:[74, 57] Operation: 12+45=57 Exploring Operation: 74+12=86, Resulting Numbers: [45, 86] Generated Node #0,0,2: 73:[45, 86] Operation: 74+12=86 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[74, 57], Operations: ['16+29=45', '12+45=57'] Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[45, 62], Operations: ['16+29=45', '74-12=62'] Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[45, 86], Operations: ['16+29=45', '74+12=86'] Exploring Operation: 45+86=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 45*86=3870, Resulting Numbers: [3870] 3870,73 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 73:[74, 16, 41], Operations: ['29+12=41'] Exploring Operation: 16+41=57, Resulting Numbers: [74, 57] Generated Node #0,1,0: 73:[74, 57] Operation: 16+41=57 Exploring Operation: 74-16=58, Resulting Numbers: [41, 58] Generated Node #0,1,1: 73:[41, 58] Operation: 74-16=58 Exploring Operation: 74+16=90, Resulting Numbers: [41, 90] Generated Node #0,1,2: 73:[41, 90] Operation: 74+16=90 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[74, 57], Operations: ['29+12=41', '16+41=57'] Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,73 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[41, 58], Operations: ['29+12=41', '74-16=58'] Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,73 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[41, 90], Operations: ['29+12=41', '74+16=90'] Exploring Operation: 41*90=3690, Resulting Numbers: [3690] 3690,73 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 41+90=131, Resulting Numbers: [131] 131,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 73:[74, 29, 28], Operations: ['16+12=28'] Exploring Operation: 74-29=45, Resulting Numbers: [28, 45] Generated Node #0,2,0: 73:[28, 45] Operation: 74-29=45 Exploring Operation: 29+28=57, Resulting Numbers: [74, 57] Generated Node #0,2,1: 73:[74, 57] Operation: 29+28=57 Exploring Operation: 74-28=46, Resulting Numbers: [29, 46] Generated Node #0,2,2: 73:[29, 46] Operation: 74-28=46 Moving to Node #0,2,1 Current State: 73:[74, 57], Operations: ['16+12=28', '29+28=57'] Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,73 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[29, 46], Operations: ['16+12=28', '74-28=46'] Exploring Operation: 29+46=75, Resulting Numbers: [75] 75,73 unequal: No Solution Exploring Operation: 29*46=1334, Resulting Numbers: [1334] 1334,73 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[28, 45], Operations: ['16+12=28', '74-29=45'] Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,73 unequal: No Solution Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[74, 16, 29, 12], Operations: [] Exploring Operation: 16+12=28, Resulting Numbers: [74, 29, 28] Generated Node #0,2: 73:[74, 29, 28] Operation: 16+12=28 Moving to Node #0,2 Current State: 73:[74, 29, 28], Operations: ['16+12=28'] Exploring Operation: 74-29=45, Resulting Numbers: [28, 45] Generated Node #0,2,0: 73:[28, 45] Operation: 74-29=45 Moving to Node #0,2,0 Current State: 73:[28, 45], Operations: ['16+12=28', '74-29=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.962674
hs_3
mult_heuristic
[ 1, 4, 33, 7 ]
30
[ "1*4=4", "33-7=26", "4+26=30" ]
Current State: 30:[1, 4, 33, 7], Operations: [] Exploring Operation: 1*4=4, Resulting Numbers: [33, 7, 4] Generated Node #2: [33, 7, 4] from Operation: 1*4=4 Current State: 30:[33, 7, 4], Operations: ['1*4=4'] Exploring Operation: 33-7=26, Resulting Numbers: [4, 26] Generated Node #3: [4, 26] from Operation: 33-7=26 Current State: 30:[4, 26], Operations: ['1*4=4', '33-7=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[1, 4, 33, 7], Operations: [] Exploring Operation: 33-4=29, Resulting Numbers: [1, 7, 29] Generated Node #0,0: 30:[1, 7, 29] Operation: 33-4=29 Exploring Operation: 33-1=32, Resulting Numbers: [4, 7, 32] Generated Node #0,1: 30:[4, 7, 32] Operation: 33-1=32 Exploring Operation: 4-1=3, Resulting Numbers: [33, 7, 3] Generated Node #0,2: 30:[33, 7, 3] Operation: 4-1=3 Exploring Operation: 1+4=5, Resulting Numbers: [33, 7, 5] Generated Node #0,3: 30:[33, 7, 5] Operation: 1+4=5 Exploring Operation: 7-1=6, Resulting Numbers: [4, 33, 6] Generated Node #0,4: 30:[4, 33, 6] Operation: 7-1=6 Moving to Node #0,0 Current State: 30:[1, 7, 29], Operations: ['33-4=29'] Exploring Operation: 1*29=29, Resulting Numbers: [7, 29] Generated Node #0,0,0: 30:[7, 29] Operation: 1*29=29 Exploring Operation: 7-1=6, Resulting Numbers: [29, 6] Generated Node #0,0,1: 30:[29, 6] Operation: 7-1=6 Exploring Operation: 7/1=7, Resulting Numbers: [29, 7] Generated Node #0,0,2: 30:[29, 7] Operation: 7/1=7 Exploring Operation: 1+29=30, Resulting Numbers: [7, 30] Generated Node #0,0,3: 30:[7, 30] Operation: 1+29=30 Exploring Operation: 1*7=7, Resulting Numbers: [29, 7] Generated Node #0,0,4: 30:[29, 7] Operation: 1*7=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[29, 6], Operations: ['33-4=29', '7-1=6'] Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,30 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[7, 30], Operations: ['33-4=29', '1+29=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,30 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[7, 29], Operations: ['33-4=29', '1*29=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,30 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[29, 7], Operations: ['33-4=29', '7/1=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,30 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 30:[29, 7], Operations: ['33-4=29', '1*7=7'] Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,30 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 30:[33, 7, 3], Operations: ['4-1=3'] Exploring Operation: 7+3=10, Resulting Numbers: [33, 10] Generated Node #0,2,0: 30:[33, 10] Operation: 7+3=10 Exploring Operation: 33-7=26, Resulting Numbers: [3, 26] Generated Node #0,2,1: 30:[3, 26] Operation: 33-7=26 Exploring Operation: 7-3=4, Resulting Numbers: [33, 4] Generated Node #0,2,2: 30:[33, 4] Operation: 7-3=4 Exploring Operation: 33-3=30, Resulting Numbers: [7, 30] Generated Node #0,2,3: 30:[7, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [7, 11] Generated Node #0,2,4: 30:[7, 11] Operation: 33/3=11 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[7, 30], Operations: ['4-1=3', '33-3=30'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 30:[7, 11], Operations: ['4-1=3', '33/3=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[33, 10], Operations: ['4-1=3', '7+3=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[3, 26], Operations: ['4-1=3', '33-7=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,30 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[33, 4], Operations: ['4-1=3', '7-3=4'] Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,30 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 30:[4, 33, 6], Operations: ['7-1=6'] Exploring Operation: 33-4=29, Resulting Numbers: [6, 29] Generated Node #0,4,0: 30:[6, 29] Operation: 33-4=29 Exploring Operation: 4+6=10, Resulting Numbers: [33, 10] Generated Node #0,4,1: 30:[33, 10] Operation: 4+6=10 Exploring Operation: 6-4=2, Resulting Numbers: [33, 2] Generated Node #0,4,2: 30:[33, 2] Operation: 6-4=2 Exploring Operation: 4+33=37, Resulting Numbers: [6, 37] Generated Node #0,4,3: 30:[6, 37] Operation: 4+33=37 Exploring Operation: 33-6=27, Resulting Numbers: [4, 27] Generated Node #0,4,4: 30:[4, 27] Operation: 33-6=27 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 30:[6, 29], Operations: ['7-1=6', '33-4=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 30:[33, 10], Operations: ['7-1=6', '4+6=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,30 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 30:[33, 2], Operations: ['7-1=6', '6-4=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 30:[4, 27], Operations: ['7-1=6', '33-6=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 30:[6, 37], Operations: ['7-1=6', '4+33=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 30:[4, 7, 32], Operations: ['33-1=32'] Exploring Operation: 4+7=11, Resulting Numbers: [32, 11] Generated Node #0,1,0: 30:[32, 11] Operation: 4+7=11 Exploring Operation: 32-4=28, Resulting Numbers: [7, 28] Generated Node #0,1,1: 30:[7, 28] Operation: 32-4=28 Exploring Operation: 7-4=3, Resulting Numbers: [32, 3] Generated Node #0,1,2: 30:[32, 3] Operation: 7-4=3 Exploring Operation: 4*7=28, Resulting Numbers: [32, 28] Generated Node #0,1,3: 30:[32, 28] Operation: 4*7=28 Exploring Operation: 32/4=8, Resulting Numbers: [7, 8] Generated Node #0,1,4: 30:[7, 8] Operation: 32/4=8 Moving to Node #0,3 Current State: 30:[33, 7, 5], Operations: ['1+4=5'] Exploring Operation: 7*5=35, Resulting Numbers: [33, 35] Generated Node #0,3,0: 30:[33, 35] Operation: 7*5=35 Exploring Operation: 7+5=12, Resulting Numbers: [33, 12] Generated Node #0,3,1: 30:[33, 12] Operation: 7+5=12 Exploring Operation: 33-7=26, Resulting Numbers: [5, 26] Generated Node #0,3,2: 30:[5, 26] Operation: 33-7=26 Exploring Operation: 7-5=2, Resulting Numbers: [33, 2] Generated Node #0,3,3: 30:[33, 2] Operation: 7-5=2 Exploring Operation: 33-5=28, Resulting Numbers: [7, 28] Generated Node #0,3,4: 30:[7, 28] Operation: 33-5=28 Moving to Node #0,1,2 Current State: 30:[32, 3], Operations: ['33-1=32', '7-4=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,30 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[7, 28], Operations: ['33-1=32', '32-4=28'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[7, 28], Operations: ['1+4=5', '33-5=28'] Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,30 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[33, 2], Operations: ['1+4=5', '7-5=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[32, 11], Operations: ['33-1=32', '4+7=11'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 32*11=352, Resulting Numbers: [352] 352,30 unequal: No Solution Moving to Node #0,1,4 Current State: 30:[7, 8], Operations: ['33-1=32', '32/4=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[5, 26], Operations: ['1+4=5', '33-7=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,30 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[32, 28], Operations: ['33-1=32', '4*7=28'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 32*28=896, Resulting Numbers: [896] 896,30 unequal: No Solution Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[33, 12], Operations: ['1+4=5', '7+5=12'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 33*12=396, Resulting Numbers: [396] 396,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[33, 35], Operations: ['1+4=5', '7*5=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,30 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,30 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 12, 2, 13, 24 ]
14
[ "12*2=24", "24/24=1", "13+1=14" ]
Current State: 14:[12, 2, 13, 24], Operations: [] Exploring Operation: 12*2=24, Resulting Numbers: [13, 24, 24] Generated Node #2: [13, 24, 24] from Operation: 12*2=24 Current State: 14:[13, 24, 24], Operations: ['12*2=24'] Exploring Operation: 24/24=1, Resulting Numbers: [13, 1] Generated Node #3: [13, 1] from Operation: 24/24=1 Current State: 14:[13, 1], Operations: ['12*2=24', '24/24=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[12, 2, 13, 24], Operations: [] Exploring Operation: 24/2=12, Resulting Numbers: [12, 13, 12] Generated Node #0,0: 14:[12, 13, 12] Operation: 24/2=12 Exploring Operation: 24-12=12, Resulting Numbers: [2, 13, 12] Generated Node #0,1: 14:[2, 13, 12] Operation: 24-12=12 Exploring Operation: 24/12=2, Resulting Numbers: [2, 13, 2] Generated Node #0,2: 14:[2, 13, 2] Operation: 24/12=2 Moving to Node #0,2 Current State: 14:[2, 13, 2], Operations: ['24/12=2'] Exploring Operation: 2+13=15, Resulting Numbers: [2, 15] Generated Node #0,2,0: 14:[2, 15] Operation: 2+13=15 Exploring Operation: 13+2=15, Resulting Numbers: [2, 15] Generated Node #0,2,1: 14:[2, 15] Operation: 13+2=15 Exploring Operation: 2/2=1, Resulting Numbers: [13, 1] Generated Node #0,2,2: 14:[13, 1] Operation: 2/2=1 Moving to Node #0,1 Current State: 14:[2, 13, 12], Operations: ['24-12=12'] Exploring Operation: 12/2=6, Resulting Numbers: [13, 6] Generated Node #0,1,0: 14:[13, 6] Operation: 12/2=6 Exploring Operation: 13-12=1, Resulting Numbers: [2, 1] Generated Node #0,1,1: 14:[2, 1] Operation: 13-12=1 Exploring Operation: 2+12=14, Resulting Numbers: [13, 14] Generated Node #0,1,2: 14:[13, 14] Operation: 2+12=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[2, 1], Operations: ['24-12=12', '13-12=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[13, 14], Operations: ['24-12=12', '2+12=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[13, 6], Operations: ['24-12=12', '12/2=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,14 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 14:[12, 13, 12], Operations: ['24/2=12'] Exploring Operation: 12-12=0, Resulting Numbers: [13, 0] Generated Node #0,0,0: 14:[13, 0] Operation: 12-12=0 Exploring Operation: 13-12=1, Resulting Numbers: [12, 1] Generated Node #0,0,1: 14:[12, 1] Operation: 13-12=1 Exploring Operation: 12/12=1, Resulting Numbers: [13, 1] Generated Node #0,0,2: 14:[13, 1] Operation: 12/12=1 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[13, 1], Operations: ['24/2=12', '12/12=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[12, 2, 13, 24], Operations: [] Exploring Operation: 24/2=12, Resulting Numbers: [12, 13, 12] Generated Node #0,0: 14:[12, 13, 12] Operation: 24/2=12 Moving to Node #0,0 Current State: 14:[12, 13, 12], Operations: ['24/2=12'] Exploring Operation: 12/12=1, Resulting Numbers: [13, 1] Generated Node #0,0,2: 14:[13, 1] Operation: 12/12=1 Moving to Node #0,0,2 Current State: 14:[13, 1], Operations: ['24/2=12', '12/12=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 15, 26, 26, 58 ]
73
[ "15+26=41", "58-26=32", "41+32=73" ]
Current State: 73:[15, 26, 26, 58], Operations: [] Exploring Operation: 15+26=41, Resulting Numbers: [58, 41] Generated Node #2: [58, 41] from Operation: 15+26=41 Current State: 73:[58, 41], Operations: ['15+26=41'] Exploring Operation: 58-26=32, Resulting Numbers: [41, 32] Generated Node #3: [41, 32] from Operation: 58-26=32 Current State: 73:[41, 32], Operations: ['15+26=41', '58-26=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[15, 26, 26, 58], Operations: [] Exploring Operation: 15+58=73, Resulting Numbers: [26, 26, 73] Generated Node #0,0: 73:[26, 26, 73] Operation: 15+58=73 Exploring Operation: 15+26=41, Resulting Numbers: [26, 58, 41] Generated Node #0,1: 73:[26, 58, 41] Operation: 15+26=41 Exploring Operation: 15+26=41, Resulting Numbers: [26, 58, 41] Generated Node #0,2: 73:[26, 58, 41] Operation: 15+26=41 Moving to Node #0,0 Current State: 73:[26, 26, 73], Operations: ['15+58=73'] Exploring Operation: 26/26=1, Resulting Numbers: [73, 1] Generated Node #0,0,0: 73:[73, 1] Operation: 26/26=1 Exploring Operation: 26-26=0, Resulting Numbers: [73, 0] Generated Node #0,0,1: 73:[73, 0] Operation: 26-26=0 Exploring Operation: 26+26=52, Resulting Numbers: [73, 52] Generated Node #0,0,2: 73:[73, 52] Operation: 26+26=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[73, 52], Operations: ['15+58=73', '26+26=52'] Exploring Operation: 73+52=125, Resulting Numbers: [125] 125,73 unequal: No Solution Exploring Operation: 73*52=3796, Resulting Numbers: [3796] 3796,73 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[73, 1], Operations: ['15+58=73', '26/26=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[15, 26, 26, 58], Operations: [] Exploring Operation: 15+58=73, Resulting Numbers: [26, 26, 73] Generated Node #0,0: 73:[26, 26, 73] Operation: 15+58=73 Moving to Node #0,0 Current State: 73:[26, 26, 73], Operations: ['15+58=73'] Exploring Operation: 26/26=1, Resulting Numbers: [73, 1] Generated Node #0,0,0: 73:[73, 1] Operation: 26/26=1 Moving to Node #0,0,0 Current State: 73:[73, 1], Operations: ['15+58=73', '26/26=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 77, 58, 24, 64 ]
95
[ "77+58=135", "64-24=40", "135-40=95" ]
Current State: 95:[77, 58, 24, 64], Operations: [] Exploring Operation: 77+58=135, Resulting Numbers: [24, 64, 135] Generated Node #2: [24, 64, 135] from Operation: 77+58=135 Current State: 95:[24, 64, 135], Operations: ['77+58=135'] Exploring Operation: 64-24=40, Resulting Numbers: [135, 40] Generated Node #3: [135, 40] from Operation: 64-24=40 Current State: 95:[135, 40], Operations: ['77+58=135', '64-24=40'] Exploring Operation: 135-40=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[77, 58, 24, 64], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [77, 24, 6] Generated Node #0,0: 95:[77, 24, 6] Operation: 64-58=6 Exploring Operation: 77-64=13, Resulting Numbers: [58, 24, 13] Generated Node #0,1: 95:[58, 24, 13] Operation: 77-64=13 Exploring Operation: 77-58=19, Resulting Numbers: [24, 64, 19] Generated Node #0,2: 95:[24, 64, 19] Operation: 77-58=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[77, 24, 6], Operations: ['64-58=6'] Exploring Operation: 77+6=83, Resulting Numbers: [24, 83] Generated Node #0,0,0: 95:[24, 83] Operation: 77+6=83 Exploring Operation: 77+24=101, Resulting Numbers: [6, 101] Generated Node #0,0,1: 95:[6, 101] Operation: 77+24=101 Exploring Operation: 24-6=18, Resulting Numbers: [77, 18] Generated Node #0,0,2: 95:[77, 18] Operation: 24-6=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[6, 101], Operations: ['64-58=6', '77+24=101'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[77, 58, 24, 64], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [77, 24, 6] Generated Node #0,0: 95:[77, 24, 6] Operation: 64-58=6 Moving to Node #0,0 Current State: 95:[77, 24, 6], Operations: ['64-58=6'] Exploring Operation: 77+24=101, Resulting Numbers: [6, 101] Generated Node #0,0,1: 95:[6, 101] Operation: 77+24=101 Moving to Node #0,0,1 Current State: 95:[6, 101], Operations: ['64-58=6', '77+24=101'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 49, 60, 52, 15 ]
55
[ "52-49=3", "15/3=5", "60-5=55" ]
Current State: 55:[49, 60, 52, 15], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [60, 15, 3] Generated Node #2: [60, 15, 3] from Operation: 52-49=3 Current State: 55:[60, 15, 3], Operations: ['52-49=3'] Exploring Operation: 15/3=5, Resulting Numbers: [60, 5] Generated Node #3: [60, 5] from Operation: 15/3=5 Current State: 55:[60, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[49, 60, 52, 15], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [60, 15, 3] Generated Node #0,0: 55:[60, 15, 3] Operation: 52-49=3 Exploring Operation: 60/15=4, Resulting Numbers: [49, 52, 4] Generated Node #0,1: 55:[49, 52, 4] Operation: 60/15=4 Exploring Operation: 60-49=11, Resulting Numbers: [52, 15, 11] Generated Node #0,2: 55:[52, 15, 11] Operation: 60-49=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[52, 15, 11], Operations: ['60-49=11'] Exploring Operation: 52+11=63, Resulting Numbers: [15, 63] Generated Node #0,2,0: 55:[15, 63] Operation: 52+11=63 Exploring Operation: 52+15=67, Resulting Numbers: [11, 67] Generated Node #0,2,1: 55:[11, 67] Operation: 52+15=67 Exploring Operation: 15-11=4, Resulting Numbers: [52, 4] Generated Node #0,2,2: 55:[52, 4] Operation: 15-11=4 Moving to Node #0,2,2 Current State: 55:[52, 4], Operations: ['60-49=11', '15-11=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[15, 63], Operations: ['60-49=11', '52+11=63'] Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 15*63=945, Resulting Numbers: [945] 945,55 unequal: No Solution Exploring Operation: 15+63=78, Resulting Numbers: [78] 78,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[11, 67], Operations: ['60-49=11', '52+15=67'] Exploring Operation: 11*67=737, Resulting Numbers: [737] 737,55 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 11+67=78, Resulting Numbers: [78] 78,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[49, 52, 4], Operations: ['60/15=4'] Exploring Operation: 52+4=56, Resulting Numbers: [49, 56] Generated Node #0,1,0: 55:[49, 56] Operation: 52+4=56 Exploring Operation: 49+4=53, Resulting Numbers: [52, 53] Generated Node #0,1,1: 55:[52, 53] Operation: 49+4=53 Exploring Operation: 52-49=3, Resulting Numbers: [4, 3] Generated Node #0,1,2: 55:[4, 3] Operation: 52-49=3 Moving to Node #0,1,2 Current State: 55:[4, 3], Operations: ['60/15=4', '52-49=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[52, 53], Operations: ['60/15=4', '49+4=53'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,55 unequal: No Solution Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[49, 56], Operations: ['60/15=4', '52+4=56'] Exploring Operation: 49*56=2744, Resulting Numbers: [2744] 2744,55 unequal: No Solution Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 49+56=105, Resulting Numbers: [105] 105,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[60, 15, 3], Operations: ['52-49=3'] Exploring Operation: 60-3=57, Resulting Numbers: [15, 57] Generated Node #0,0,0: 55:[15, 57] Operation: 60-3=57 Exploring Operation: 15/3=5, Resulting Numbers: [60, 5] Generated Node #0,0,1: 55:[60, 5] Operation: 15/3=5 Exploring Operation: 60/15=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 55:[3, 4] Operation: 60/15=4 Moving to Node #0,0,2 Current State: 55:[3, 4], Operations: ['52-49=3', '60/15=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[60, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[49, 60, 52, 15], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [60, 15, 3] Generated Node #0,0: 55:[60, 15, 3] Operation: 52-49=3 Moving to Node #0,0 Current State: 55:[60, 15, 3], Operations: ['52-49=3'] Exploring Operation: 15/3=5, Resulting Numbers: [60, 5] Generated Node #0,0,1: 55:[60, 5] Operation: 15/3=5 Moving to Node #0,0,1 Current State: 55:[60, 5], Operations: ['52-49=3', '15/3=5'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_3
mult_heuristic
[ 11, 49, 96, 25 ]
61
[ "11+49=60", "96+25=121", "121-60=61" ]
Current State: 61:[11, 49, 96, 25], Operations: [] Exploring Operation: 11+49=60, Resulting Numbers: [96, 25, 60] Generated Node #2: [96, 25, 60] from Operation: 11+49=60 Current State: 61:[96, 25, 60], Operations: ['11+49=60'] Exploring Operation: 96+25=121, Resulting Numbers: [60, 121] Generated Node #3: [60, 121] from Operation: 96+25=121 Current State: 61:[60, 121], Operations: ['11+49=60', '96+25=121'] Exploring Operation: 121-60=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[11, 49, 96, 25], Operations: [] Exploring Operation: 11+49=60, Resulting Numbers: [96, 25, 60] Generated Node #0,0: 61:[96, 25, 60] Operation: 11+49=60 Moving to Node #0,0 Current State: 61:[96, 25, 60], Operations: ['11+49=60'] Exploring Operation: 96-25=71, Resulting Numbers: [60, 71] Generated Node #0,0,0: 61:[60, 71] Operation: 96-25=71 Moving to Node #0,0,0 Current State: 61:[60, 71], Operations: ['11+49=60', '96-25=71'] Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,61 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 36, 55, 30, 10 ]
90
[ "55-30=25", "36*25=900", "900/10=90" ]
Current State: 90:[36, 55, 30, 10], Operations: [] Exploring Operation: 55-30=25, Resulting Numbers: [36, 10, 25] Generated Node #2: [36, 10, 25] from Operation: 55-30=25 Current State: 90:[36, 10, 25], Operations: ['55-30=25'] Exploring Operation: 36*25=900, Resulting Numbers: [10, 900] Generated Node #3: [10, 900] from Operation: 36*25=900 Current State: 90:[10, 900], Operations: ['55-30=25', '36*25=900'] Exploring Operation: 900/10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[36, 55, 30, 10], Operations: [] Exploring Operation: 36+55=91, Resulting Numbers: [30, 10, 91] Generated Node #0,0: 90:[30, 10, 91] Operation: 36+55=91 Moving to Node #0,0 Current State: 90:[30, 10, 91], Operations: ['36+55=91'] Exploring Operation: 30/10=3, Resulting Numbers: [91, 3] Generated Node #0,0,0: 90:[91, 3] Operation: 30/10=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[91, 3], Operations: ['36+55=91', '30/10=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 87, 69, 57, 3 ]
45
[ "69+57=126", "126/3=42", "87-42=45" ]
Current State: 45:[87, 69, 57, 3], Operations: [] Exploring Operation: 69+57=126, Resulting Numbers: [87, 3, 126] Generated Node #2: [87, 3, 126] from Operation: 69+57=126 Current State: 45:[87, 3, 126], Operations: ['69+57=126'] Exploring Operation: 126/3=42, Resulting Numbers: [87, 42] Generated Node #3: [87, 42] from Operation: 126/3=42 Current State: 45:[87, 42], Operations: ['69+57=126', '126/3=42'] Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[87, 69, 57, 3], Operations: [] Exploring Operation: 87-57=30, Resulting Numbers: [69, 3, 30] Generated Node #0,0: 45:[69, 3, 30] Operation: 87-57=30 Exploring Operation: 87-69=18, Resulting Numbers: [57, 3, 18] Generated Node #0,1: 45:[57, 3, 18] Operation: 87-69=18 Exploring Operation: 69-57=12, Resulting Numbers: [87, 3, 12] Generated Node #0,2: 45:[87, 3, 12] Operation: 69-57=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[57, 3, 18], Operations: ['87-69=18'] Exploring Operation: 57-18=39, Resulting Numbers: [3, 39] Generated Node #0,1,0: 45:[3, 39] Operation: 57-18=39 Exploring Operation: 57-3=54, Resulting Numbers: [18, 54] Generated Node #0,1,1: 45:[18, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [18, 19] Generated Node #0,1,2: 45:[18, 19] Operation: 57/3=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[3, 39], Operations: ['87-69=18', '57-18=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[18, 19], Operations: ['87-69=18', '57/3=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,45 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[18, 54], Operations: ['87-69=18', '57-3=54'] Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 18+54=72, Resulting Numbers: [72] 72,45 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[69, 3, 30], Operations: ['87-57=30'] Exploring Operation: 69/3=23, Resulting Numbers: [30, 23] Generated Node #0,0,0: 45:[30, 23] Operation: 69/3=23 Exploring Operation: 30/3=10, Resulting Numbers: [69, 10] Generated Node #0,0,1: 45:[69, 10] Operation: 30/3=10 Exploring Operation: 69-30=39, Resulting Numbers: [3, 39] Generated Node #0,0,2: 45:[3, 39] Operation: 69-30=39 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[3, 39], Operations: ['87-57=30', '69-30=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,45 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[30, 23], Operations: ['87-57=30', '69/3=23'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[69, 10], Operations: ['87-57=30', '30/3=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,45 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[87, 3, 12], Operations: ['69-57=12'] Exploring Operation: 87-12=75, Resulting Numbers: [3, 75] Generated Node #0,2,0: 45:[3, 75] Operation: 87-12=75 Exploring Operation: 87/3=29, Resulting Numbers: [12, 29] Generated Node #0,2,1: 45:[12, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [12, 84] Generated Node #0,2,2: 45:[12, 84] Operation: 87-3=84 Moving to Node #0,2,1 Current State: 45:[12, 29], Operations: ['69-57=12', '87/3=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,45 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[3, 75], Operations: ['69-57=12', '87-12=75'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,45 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,45 unequal: No Solution Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[12, 84], Operations: ['69-57=12', '87-3=84'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,45 unequal: No Solution Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 19, 9, 2, 14 ]
65
[ "9+14=23", "2*23=46", "19+46=65" ]
Current State: 65:[19, 9, 2, 14], Operations: [] Exploring Operation: 9+14=23, Resulting Numbers: [19, 2, 23] Generated Node #2: [19, 2, 23] from Operation: 9+14=23 Current State: 65:[19, 2, 23], Operations: ['9+14=23'] Exploring Operation: 2*23=46, Resulting Numbers: [19, 46] Generated Node #3: [19, 46] from Operation: 2*23=46 Current State: 65:[19, 46], Operations: ['9+14=23', '2*23=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[19, 9, 2, 14], Operations: [] Exploring Operation: 19-9=10, Resulting Numbers: [2, 14, 10] Generated Node #0,0: 65:[2, 14, 10] Operation: 19-9=10 Moving to Node #0,0 Current State: 65:[2, 14, 10], Operations: ['19-9=10'] Exploring Operation: 10/2=5, Resulting Numbers: [14, 5] Generated Node #0,0,0: 65:[14, 5] Operation: 10/2=5 Moving to Node #0,0,0 Current State: 65:[14, 5], Operations: ['19-9=10', '10/2=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,65 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 49, 7, 82, 54 ]
41
[ "49+7=56", "56-54=2", "82/2=41" ]
Current State: 41:[49, 7, 82, 54], Operations: [] Exploring Operation: 49+7=56, Resulting Numbers: [82, 54, 56] Generated Node #2: [82, 54, 56] from Operation: 49+7=56 Current State: 41:[82, 54, 56], Operations: ['49+7=56'] Exploring Operation: 56-54=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 56-54=2 Current State: 41:[82, 2], Operations: ['49+7=56', '56-54=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[49, 7, 82, 54], Operations: [] Exploring Operation: 49-7=42, Resulting Numbers: [82, 54, 42] Generated Node #0,0: 41:[82, 54, 42] Operation: 49-7=42 Exploring Operation: 82-49=33, Resulting Numbers: [7, 54, 33] Generated Node #0,1: 41:[7, 54, 33] Operation: 82-49=33 Exploring Operation: 82-7=75, Resulting Numbers: [49, 54, 75] Generated Node #0,2: 41:[49, 54, 75] Operation: 82-7=75 Moving to Node #0,0 Current State: 41:[82, 54, 42], Operations: ['49-7=42'] Exploring Operation: 82-42=40, Resulting Numbers: [54, 40] Generated Node #0,0,0: 41:[54, 40] Operation: 82-42=40 Exploring Operation: 54-42=12, Resulting Numbers: [82, 12] Generated Node #0,0,1: 41:[82, 12] Operation: 54-42=12 Exploring Operation: 82-54=28, Resulting Numbers: [42, 28] Generated Node #0,0,2: 41:[42, 28] Operation: 82-54=28 Moving to Node #0,1 Current State: 41:[7, 54, 33], Operations: ['82-49=33'] Exploring Operation: 7+54=61, Resulting Numbers: [33, 61] Generated Node #0,1,0: 41:[33, 61] Operation: 7+54=61 Exploring Operation: 54-7=47, Resulting Numbers: [33, 47] Generated Node #0,1,1: 41:[33, 47] Operation: 54-7=47 Exploring Operation: 7+33=40, Resulting Numbers: [54, 40] Generated Node #0,1,2: 41:[54, 40] Operation: 7+33=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[33, 47], Operations: ['82-49=33', '54-7=47'] Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,41 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[54, 40], Operations: ['82-49=33', '7+33=40'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 54+40=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 54*40=2160, Resulting Numbers: [2160] 2160,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[33, 61], Operations: ['82-49=33', '7+54=61'] Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,41 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 41:[49, 54, 75], Operations: ['82-7=75'] Exploring Operation: 54-49=5, Resulting Numbers: [75, 5] Generated Node #0,2,0: 41:[75, 5] Operation: 54-49=5 Exploring Operation: 75-54=21, Resulting Numbers: [49, 21] Generated Node #0,2,1: 41:[49, 21] Operation: 75-54=21 Exploring Operation: 75-49=26, Resulting Numbers: [54, 26] Generated Node #0,2,2: 41:[54, 26] Operation: 75-49=26 Moving to Node #0,0,0 Current State: 41:[54, 40], Operations: ['49-7=42', '82-42=40'] Exploring Operation: 54+40=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 54*40=2160, Resulting Numbers: [2160] 2160,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[42, 28], Operations: ['49-7=42', '82-54=28'] Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,41 unequal: No Solution Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,41 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[54, 26], Operations: ['82-7=75', '75-49=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,41 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[49, 21], Operations: ['82-7=75', '75-54=21'] Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,41 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[75, 5], Operations: ['82-7=75', '54-49=5'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,41 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[82, 12], Operations: ['49-7=42', '54-42=12'] Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,41 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,41 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 91, 24, 29, 35 ]
30
[ "91+29=120", "120/24=5", "35-5=30" ]
Current State: 30:[91, 24, 29, 35], Operations: [] Exploring Operation: 91+29=120, Resulting Numbers: [24, 35, 120] Generated Node #2: [24, 35, 120] from Operation: 91+29=120 Current State: 30:[24, 35, 120], Operations: ['91+29=120'] Exploring Operation: 120/24=5, Resulting Numbers: [35, 5] Generated Node #3: [35, 5] from Operation: 120/24=5 Current State: 30:[35, 5], Operations: ['91+29=120', '120/24=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[91, 24, 29, 35], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [91, 35, 5] Generated Node #0,0: 30:[91, 35, 5] Operation: 29-24=5 Exploring Operation: 91-24=67, Resulting Numbers: [29, 35, 67] Generated Node #0,1: 30:[29, 35, 67] Operation: 91-24=67 Exploring Operation: 91-35=56, Resulting Numbers: [24, 29, 56] Generated Node #0,2: 30:[24, 29, 56] Operation: 91-35=56 Exploring Operation: 35-24=11, Resulting Numbers: [91, 29, 11] Generated Node #0,3: 30:[91, 29, 11] Operation: 35-24=11 Exploring Operation: 91-29=62, Resulting Numbers: [24, 35, 62] Generated Node #0,4: 30:[24, 35, 62] Operation: 91-29=62 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[24, 29, 56], Operations: ['91-35=56'] Exploring Operation: 24+56=80, Resulting Numbers: [29, 80] Generated Node #0,2,0: 30:[29, 80] Operation: 24+56=80 Exploring Operation: 56-29=27, Resulting Numbers: [24, 27] Generated Node #0,2,1: 30:[24, 27] Operation: 56-29=27 Exploring Operation: 29-24=5, Resulting Numbers: [56, 5] Generated Node #0,2,2: 30:[56, 5] Operation: 29-24=5 Exploring Operation: 24+29=53, Resulting Numbers: [56, 53] Generated Node #0,2,3: 30:[56, 53] Operation: 24+29=53 Exploring Operation: 56-24=32, Resulting Numbers: [29, 32] Generated Node #0,2,4: 30:[29, 32] Operation: 56-24=32 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 30:[29, 32], Operations: ['91-35=56', '56-24=32'] Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[24, 27], Operations: ['91-35=56', '56-29=27'] Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,30 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[56, 5], Operations: ['91-35=56', '29-24=5'] Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,30 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 30:[56, 53], Operations: ['91-35=56', '24+29=53'] Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,30 unequal: No Solution Exploring Operation: 56*53=2968, Resulting Numbers: [2968] 2968,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 30:[29, 80], Operations: ['91-35=56', '24+56=80'] Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,30 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[29, 35, 67], Operations: ['91-24=67'] Exploring Operation: 67-35=32, Resulting Numbers: [29, 32] Generated Node #0,1,0: 30:[29, 32] Operation: 67-35=32 Exploring Operation: 67-29=38, Resulting Numbers: [35, 38] Generated Node #0,1,1: 30:[35, 38] Operation: 67-29=38 Exploring Operation: 35-29=6, Resulting Numbers: [67, 6] Generated Node #0,1,2: 30:[67, 6] Operation: 35-29=6 Exploring Operation: 29+35=64, Resulting Numbers: [67, 64] Generated Node #0,1,3: 30:[67, 64] Operation: 29+35=64 Exploring Operation: 29+67=96, Resulting Numbers: [35, 96] Generated Node #0,1,4: 30:[35, 96] Operation: 29+67=96 Moving to Node #0,1,0 Current State: 30:[29, 32], Operations: ['91-24=67', '67-35=32'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,30 unequal: No Solution Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[35, 38], Operations: ['91-24=67', '67-29=38'] Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[67, 6], Operations: ['91-24=67', '35-29=6'] Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[67, 64], Operations: ['91-24=67', '29+35=64'] Exploring Operation: 67+64=131, Resulting Numbers: [131] 131,30 unequal: No Solution Exploring Operation: 67-64=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 67*64=4288, Resulting Numbers: [4288] 4288,30 unequal: No Solution Moving to Node #0,1,4 Current State: 30:[35, 96], Operations: ['91-24=67', '29+67=96'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 35*96=3360, Resulting Numbers: [3360] 3360,30 unequal: No Solution Exploring Operation: 35+96=131, Resulting Numbers: [131] 131,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 30:[24, 35, 62], Operations: ['91-29=62'] Exploring Operation: 62-24=38, Resulting Numbers: [35, 38] Generated Node #0,4,0: 30:[35, 38] Operation: 62-24=38 Exploring Operation: 24+35=59, Resulting Numbers: [62, 59] Generated Node #0,4,1: 30:[62, 59] Operation: 24+35=59 Exploring Operation: 24+62=86, Resulting Numbers: [35, 86] Generated Node #0,4,2: 30:[35, 86] Operation: 24+62=86 Exploring Operation: 35-24=11, Resulting Numbers: [62, 11] Generated Node #0,4,3: 30:[62, 11] Operation: 35-24=11 Exploring Operation: 62-35=27, Resulting Numbers: [24, 27] Generated Node #0,4,4: 30:[24, 27] Operation: 62-35=27 Moving to Node #0,4,4 Current State: 30:[24, 27], Operations: ['91-29=62', '62-35=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,30 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,4,0 Current State: 30:[35, 38], Operations: ['91-29=62', '62-24=38'] Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,30 unequal: No Solution Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,30 unequal: No Solution Moving to Node #0,4,3 Current State: 30:[62, 11], Operations: ['91-29=62', '35-24=11'] Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,30 unequal: No Solution Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,4,1 Current State: 30:[62, 59], Operations: ['91-29=62', '24+35=59'] Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,30 unequal: No Solution Moving to Node #0,4,2 Current State: 30:[35, 86], Operations: ['91-29=62', '24+62=86'] Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[91, 29, 11], Operations: ['35-24=11'] Exploring Operation: 91-11=80, Resulting Numbers: [29, 80] Generated Node #0,3,0: 30:[29, 80] Operation: 91-11=80 Exploring Operation: 91-29=62, Resulting Numbers: [11, 62] Generated Node #0,3,1: 30:[11, 62] Operation: 91-29=62 Exploring Operation: 29-11=18, Resulting Numbers: [91, 18] Generated Node #0,3,2: 30:[91, 18] Operation: 29-11=18 Exploring Operation: 29+11=40, Resulting Numbers: [91, 40] Generated Node #0,3,3: 30:[91, 40] Operation: 29+11=40 Exploring Operation: 91+11=102, Resulting Numbers: [29, 102] Generated Node #0,3,4: 30:[29, 102] Operation: 91+11=102 Moving to Node #0,3,1 Current State: 30:[11, 62], Operations: ['35-24=11', '91-29=62'] Exploring Operation: 11+62=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 11*62=682, Resulting Numbers: [682] 682,30 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[29, 80], Operations: ['35-24=11', '91-11=80'] Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,30 unequal: No Solution Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[91, 18], Operations: ['35-24=11', '29-11=18'] Exploring Operation: 91+18=109, Resulting Numbers: [109] 109,30 unequal: No Solution Exploring Operation: 91*18=1638, Resulting Numbers: [1638] 1638,30 unequal: No Solution Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[91, 40], Operations: ['35-24=11', '29+11=40'] Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,30 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[29, 102], Operations: ['35-24=11', '91+11=102'] Exploring Operation: 29+102=131, Resulting Numbers: [131] 131,30 unequal: No Solution Exploring Operation: 102-29=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 29*102=2958, Resulting Numbers: [2958] 2958,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[91, 35, 5], Operations: ['29-24=5'] Exploring Operation: 91+5=96, Resulting Numbers: [35, 96] Generated Node #0,0,0: 30:[35, 96] Operation: 91+5=96 Exploring Operation: 35-5=30, Resulting Numbers: [91, 30] Generated Node #0,0,1: 30:[91, 30] Operation: 35-5=30 Exploring Operation: 91-35=56, Resulting Numbers: [5, 56] Generated Node #0,0,2: 30:[5, 56] Operation: 91-35=56 Exploring Operation: 91-5=86, Resulting Numbers: [35, 86] Generated Node #0,0,3: 30:[35, 86] Operation: 91-5=86 Exploring Operation: 35/5=7, Resulting Numbers: [91, 7] Generated Node #0,0,4: 30:[91, 7] Operation: 35/5=7 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 30:[5, 56], Operations: ['29-24=5', '91-35=56'] Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[91, 30], Operations: ['29-24=5', '35-5=30'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,30 unequal: No Solution Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 30:[35, 86], Operations: ['29-24=5', '91-5=86'] Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,30 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 30:[91, 7], Operations: ['29-24=5', '35/5=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,30 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,30 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[35, 96], Operations: ['29-24=5', '91+5=96'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 35*96=3360, Resulting Numbers: [3360] 3360,30 unequal: No Solution Exploring Operation: 35+96=131, Resulting Numbers: [131] 131,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 69, 15, 99, 17 ]
84
[ "69+99=168", "17-15=2", "168/2=84" ]
Current State: 84:[69, 15, 99, 17], Operations: [] Exploring Operation: 69+99=168, Resulting Numbers: [15, 17, 168] Generated Node #2: [15, 17, 168] from Operation: 69+99=168 Current State: 84:[15, 17, 168], Operations: ['69+99=168'] Exploring Operation: 17-15=2, Resulting Numbers: [168, 2] Generated Node #3: [168, 2] from Operation: 17-15=2 Current State: 84:[168, 2], Operations: ['69+99=168', '17-15=2'] Exploring Operation: 168/2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[69, 15, 99, 17], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [15, 17, 30] Generated Node #0,0: 84:[15, 17, 30] Operation: 99-69=30 Moving to Node #0,0 Current State: 84:[15, 17, 30], Operations: ['99-69=30'] Exploring Operation: 17-15=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 84:[30, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[30, 2], Operations: ['99-69=30', '17-15=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 51, 58, 99 ]
76
[ "99/3=33", "51+58=109", "109-33=76" ]
Current State: 76:[3, 51, 58, 99], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [51, 58, 33] Generated Node #2: [51, 58, 33] from Operation: 99/3=33 Current State: 76:[51, 58, 33], Operations: ['99/3=33'] Exploring Operation: 51+58=109, Resulting Numbers: [33, 109] Generated Node #3: [33, 109] from Operation: 51+58=109 Current State: 76:[33, 109], Operations: ['99/3=33', '51+58=109'] Exploring Operation: 109-33=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[3, 51, 58, 99], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [3, 51, 41] Generated Node #0,0: 76:[3, 51, 41] Operation: 99-58=41 Exploring Operation: 99-51=48, Resulting Numbers: [3, 58, 48] Generated Node #0,1: 76:[3, 58, 48] Operation: 99-51=48 Exploring Operation: 99/3=33, Resulting Numbers: [51, 58, 33] Generated Node #0,2: 76:[51, 58, 33] Operation: 99/3=33 Exploring Operation: 58-51=7, Resulting Numbers: [3, 99, 7] Generated Node #0,3: 76:[3, 99, 7] Operation: 58-51=7 Exploring Operation: 51/3=17, Resulting Numbers: [58, 99, 17] Generated Node #0,4: 76:[58, 99, 17] Operation: 51/3=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[3, 51, 41], Operations: ['99-58=41'] Exploring Operation: 51+41=92, Resulting Numbers: [3, 92] Generated Node #0,0,0: 76:[3, 92] Operation: 51+41=92 Exploring Operation: 41-3=38, Resulting Numbers: [51, 38] Generated Node #0,0,1: 76:[51, 38] Operation: 41-3=38 Exploring Operation: 51-41=10, Resulting Numbers: [3, 10] Generated Node #0,0,2: 76:[3, 10] Operation: 51-41=10 Exploring Operation: 51/3=17, Resulting Numbers: [41, 17] Generated Node #0,0,3: 76:[41, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [41, 48] Generated Node #0,0,4: 76:[41, 48] Operation: 51-3=48 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[41, 17], Operations: ['99-58=41', '51/3=17'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,76 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[3, 10], Operations: ['99-58=41', '51-41=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[51, 38], Operations: ['99-58=41', '41-3=38'] Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 51*38=1938, Resulting Numbers: [1938] 1938,76 unequal: No Solution Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 76:[41, 48], Operations: ['99-58=41', '51-3=48'] Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,76 unequal: No Solution Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[3, 92], Operations: ['99-58=41', '51+41=92'] Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,76 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,76 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[3, 99, 7], Operations: ['58-51=7'] Exploring Operation: 99-3=96, Resulting Numbers: [7, 96] Generated Node #0,3,0: 76:[7, 96] Operation: 99-3=96 Exploring Operation: 99-7=92, Resulting Numbers: [3, 92] Generated Node #0,3,1: 76:[3, 92] Operation: 99-7=92 Exploring Operation: 99/3=33, Resulting Numbers: [7, 33] Generated Node #0,3,2: 76:[7, 33] Operation: 99/3=33 Exploring Operation: 7-3=4, Resulting Numbers: [99, 4] Generated Node #0,3,3: 76:[99, 4] Operation: 7-3=4 Exploring Operation: 3*7=21, Resulting Numbers: [99, 21] Generated Node #0,3,4: 76:[99, 21] Operation: 3*7=21 Moving to Node #0,3,2 Current State: 76:[7, 33], Operations: ['58-51=7', '99/3=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,76 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[3, 92], Operations: ['58-51=7', '99-7=92'] Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,76 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,76 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[7, 96], Operations: ['58-51=7', '99-3=96'] Exploring Operation: 7*96=672, Resulting Numbers: [672] 672,76 unequal: No Solution Exploring Operation: 7+96=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[99, 4], Operations: ['58-51=7', '7-3=4'] Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,76 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,76 unequal: No Solution Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[99, 21], Operations: ['58-51=7', '3*7=21'] Exploring Operation: 99+21=120, Resulting Numbers: [120] 120,76 unequal: No Solution Exploring Operation: 99-21=78, Resulting Numbers: [78] 78,76 unequal: No Solution Exploring Operation: 99*21=2079, Resulting Numbers: [2079] 2079,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[3, 58, 48], Operations: ['99-51=48'] Exploring Operation: 48-3=45, Resulting Numbers: [58, 45] Generated Node #0,1,0: 76:[58, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [58, 16] Generated Node #0,1,1: 76:[58, 16] Operation: 48/3=16 Exploring Operation: 58-3=55, Resulting Numbers: [48, 55] Generated Node #0,1,2: 76:[48, 55] Operation: 58-3=55 Exploring Operation: 58-48=10, Resulting Numbers: [3, 10] Generated Node #0,1,3: 76:[3, 10] Operation: 58-48=10 Exploring Operation: 3+58=61, Resulting Numbers: [48, 61] Generated Node #0,1,4: 76:[48, 61] Operation: 3+58=61 Moving to Node #0,1,3 Current State: 76:[3, 10], Operations: ['99-51=48', '58-48=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[58, 16], Operations: ['99-51=48', '48/3=16'] Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,76 unequal: No Solution Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[58, 45], Operations: ['99-51=48', '48-3=45'] Exploring Operation: 58+45=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 58*45=2610, Resulting Numbers: [2610] 2610,76 unequal: No Solution Exploring Operation: 58-45=13, Resulting Numbers: [13] 13,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[48, 61], Operations: ['99-51=48', '3+58=61'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,76 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[48, 55], Operations: ['99-51=48', '58-3=55'] Exploring Operation: 48*55=2640, Resulting Numbers: [2640] 2640,76 unequal: No Solution Exploring Operation: 48+55=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[51, 58, 33], Operations: ['99/3=33'] Exploring Operation: 58+33=91, Resulting Numbers: [51, 91] Generated Node #0,2,0: 76:[51, 91] Operation: 58+33=91 Exploring Operation: 58-33=25, Resulting Numbers: [51, 25] Generated Node #0,2,1: 76:[51, 25] Operation: 58-33=25 Exploring Operation: 51-33=18, Resulting Numbers: [58, 18] Generated Node #0,2,2: 76:[58, 18] Operation: 51-33=18 Exploring Operation: 51+33=84, Resulting Numbers: [58, 84] Generated Node #0,2,3: 76:[58, 84] Operation: 51+33=84 Exploring Operation: 58-51=7, Resulting Numbers: [33, 7] Generated Node #0,2,4: 76:[33, 7] Operation: 58-51=7 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 76:[33, 7], Operations: ['99/3=33', '58-51=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,76 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[51, 25], Operations: ['99/3=33', '58-33=25'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,76 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[3, 51, 58, 99], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [51, 58, 33] Generated Node #0,2: 76:[51, 58, 33] Operation: 99/3=33 Moving to Node #0,2 Current State: 76:[51, 58, 33], Operations: ['99/3=33'] Exploring Operation: 58-33=25, Resulting Numbers: [51, 25] Generated Node #0,2,1: 76:[51, 25] Operation: 58-33=25 Moving to Node #0,2,1 Current State: 76:[51, 25], Operations: ['99/3=33', '58-33=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.930556
hs_5
mult_heuristic
[ 42, 66, 18, 22 ]
68
[ "42+66=108", "18+22=40", "108-40=68" ]
Current State: 68:[42, 66, 18, 22], Operations: [] Exploring Operation: 42+66=108, Resulting Numbers: [18, 22, 108] Generated Node #2: [18, 22, 108] from Operation: 42+66=108 Current State: 68:[18, 22, 108], Operations: ['42+66=108'] Exploring Operation: 18+22=40, Resulting Numbers: [108, 40] Generated Node #3: [108, 40] from Operation: 18+22=40 Current State: 68:[108, 40], Operations: ['42+66=108', '18+22=40'] Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[42, 66, 18, 22], Operations: [] Exploring Operation: 42-22=20, Resulting Numbers: [66, 18, 20] Generated Node #0,0: 68:[66, 18, 20] Operation: 42-22=20 Exploring Operation: 42+22=64, Resulting Numbers: [66, 18, 64] Generated Node #0,1: 68:[66, 18, 64] Operation: 42+22=64 Exploring Operation: 22-18=4, Resulting Numbers: [42, 66, 4] Generated Node #0,2: 68:[42, 66, 4] Operation: 22-18=4 Exploring Operation: 66/22=3, Resulting Numbers: [42, 18, 3] Generated Node #0,3: 68:[42, 18, 3] Operation: 66/22=3 Moving to Node #0,0 Current State: 68:[66, 18, 20], Operations: ['42-22=20'] Exploring Operation: 66-20=46, Resulting Numbers: [18, 46] Generated Node #0,0,0: 68:[18, 46] Operation: 66-20=46 Exploring Operation: 18+20=38, Resulting Numbers: [66, 38] Generated Node #0,0,1: 68:[66, 38] Operation: 18+20=38 Exploring Operation: 66-18=48, Resulting Numbers: [20, 48] Generated Node #0,0,2: 68:[20, 48] Operation: 66-18=48 Exploring Operation: 20-18=2, Resulting Numbers: [66, 2] Generated Node #0,0,3: 68:[66, 2] Operation: 20-18=2 Moving to Node #0,1 Current State: 68:[66, 18, 64], Operations: ['42+22=64'] Exploring Operation: 66-64=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 68:[18, 2] Operation: 66-64=2 Exploring Operation: 66-18=48, Resulting Numbers: [64, 48] Generated Node #0,1,1: 68:[64, 48] Operation: 66-18=48 Exploring Operation: 64-18=46, Resulting Numbers: [66, 46] Generated Node #0,1,2: 68:[66, 46] Operation: 64-18=46 Exploring Operation: 18+64=82, Resulting Numbers: [66, 82] Generated Node #0,1,3: 68:[66, 82] Operation: 18+64=82 Moving to Node #0,3 Current State: 68:[42, 18, 3], Operations: ['66/22=3'] Exploring Operation: 42-18=24, Resulting Numbers: [3, 24] Generated Node #0,3,0: 68:[3, 24] Operation: 42-18=24 Exploring Operation: 42/3=14, Resulting Numbers: [18, 14] Generated Node #0,3,1: 68:[18, 14] Operation: 42/3=14 Exploring Operation: 42+18=60, Resulting Numbers: [3, 60] Generated Node #0,3,2: 68:[3, 60] Operation: 42+18=60 Exploring Operation: 42-3=39, Resulting Numbers: [18, 39] Generated Node #0,3,3: 68:[18, 39] Operation: 42-3=39 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 68:[18, 14], Operations: ['66/22=3', '42/3=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[18, 39], Operations: ['66/22=3', '42-3=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,68 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,68 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[3, 24], Operations: ['66/22=3', '42-18=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,68 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,68 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[3, 60], Operations: ['66/22=3', '42+18=60'] Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,68 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 68:[42, 66, 4], Operations: ['22-18=4'] Exploring Operation: 42+4=46, Resulting Numbers: [66, 46] Generated Node #0,2,0: 68:[66, 46] Operation: 42+4=46 Exploring Operation: 42-4=38, Resulting Numbers: [66, 38] Generated Node #0,2,1: 68:[66, 38] Operation: 42-4=38 Exploring Operation: 66+4=70, Resulting Numbers: [42, 70] Generated Node #0,2,2: 68:[42, 70] Operation: 66+4=70 Exploring Operation: 66-42=24, Resulting Numbers: [4, 24] Generated Node #0,2,3: 68:[4, 24] Operation: 66-42=24 Moving to Node #0,1,0 Current State: 68:[18, 2], Operations: ['42+22=64', '66-64=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[66, 2], Operations: ['42-22=20', '20-18=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[42, 66, 18, 22], Operations: [] Exploring Operation: 42-22=20, Resulting Numbers: [66, 18, 20] Generated Node #0,0: 68:[66, 18, 20] Operation: 42-22=20 Moving to Node #0,0 Current State: 68:[66, 18, 20], Operations: ['42-22=20'] Exploring Operation: 20-18=2, Resulting Numbers: [66, 2] Generated Node #0,0,3: 68:[66, 2] Operation: 20-18=2 Moving to Node #0,0,3 Current State: 68:[66, 2], Operations: ['42-22=20', '20-18=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.961806
hs_4
mult_heuristic
[ 81, 48, 19, 2 ]
71
[ "81-48=33", "19*2=38", "33+38=71" ]
Current State: 71:[81, 48, 19, 2], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [19, 2, 33] Generated Node #2: [19, 2, 33] from Operation: 81-48=33 Current State: 71:[19, 2, 33], Operations: ['81-48=33'] Exploring Operation: 19*2=38, Resulting Numbers: [33, 38] Generated Node #3: [33, 38] from Operation: 19*2=38 Current State: 71:[33, 38], Operations: ['81-48=33', '19*2=38'] Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[81, 48, 19, 2], Operations: [] Exploring Operation: 48+2=50, Resulting Numbers: [81, 19, 50] Generated Node #0,0: 71:[81, 19, 50] Operation: 48+2=50 Exploring Operation: 19*2=38, Resulting Numbers: [81, 48, 38] Generated Node #0,1: 71:[81, 48, 38] Operation: 19*2=38 Exploring Operation: 81-2=79, Resulting Numbers: [48, 19, 79] Generated Node #0,2: 71:[48, 19, 79] Operation: 81-2=79 Exploring Operation: 48+19=67, Resulting Numbers: [81, 2, 67] Generated Node #0,3: 71:[81, 2, 67] Operation: 48+19=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[81, 48, 38], Operations: ['19*2=38'] Exploring Operation: 81-38=43, Resulting Numbers: [48, 43] Generated Node #0,1,0: 71:[48, 43] Operation: 81-38=43 Exploring Operation: 81-48=33, Resulting Numbers: [38, 33] Generated Node #0,1,1: 71:[38, 33] Operation: 81-48=33 Exploring Operation: 48+38=86, Resulting Numbers: [81, 86] Generated Node #0,1,2: 71:[81, 86] Operation: 48+38=86 Exploring Operation: 81+38=119, Resulting Numbers: [48, 119] Generated Node #0,1,3: 71:[48, 119] Operation: 81+38=119 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[81, 86], Operations: ['19*2=38', '48+38=86'] Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,71 unequal: No Solution Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,71 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[48, 43], Operations: ['19*2=38', '81-38=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[38, 33], Operations: ['19*2=38', '81-48=33'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 38*33=1254, Resulting Numbers: [1254] 1254,71 unequal: No Solution Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[81, 48, 19, 2], Operations: [] Exploring Operation: 19*2=38, Resulting Numbers: [81, 48, 38] Generated Node #0,1: 71:[81, 48, 38] Operation: 19*2=38 Moving to Node #0,1 Current State: 71:[81, 48, 38], Operations: ['19*2=38'] Exploring Operation: 81-48=33, Resulting Numbers: [38, 33] Generated Node #0,1,1: 71:[38, 33] Operation: 81-48=33 Moving to Node #0,1,1 Current State: 71:[38, 33], Operations: ['19*2=38', '81-48=33'] Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 30, 32, 73, 33 ]
23
[ "33-30=3", "32*3=96", "96-73=23" ]
Current State: 23:[30, 32, 73, 33], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [32, 73, 3] Generated Node #2: [32, 73, 3] from Operation: 33-30=3 Current State: 23:[32, 73, 3], Operations: ['33-30=3'] Exploring Operation: 32*3=96, Resulting Numbers: [73, 96] Generated Node #3: [73, 96] from Operation: 32*3=96 Current State: 23:[73, 96], Operations: ['33-30=3', '32*3=96'] Exploring Operation: 96-73=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[30, 32, 73, 33], Operations: [] Exploring Operation: 73-33=40, Resulting Numbers: [30, 32, 40] Generated Node #0,0: 23:[30, 32, 40] Operation: 73-33=40 Exploring Operation: 73-32=41, Resulting Numbers: [30, 33, 41] Generated Node #0,1: 23:[30, 33, 41] Operation: 73-32=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[30, 32, 40], Operations: ['73-33=40'] Exploring Operation: 40-32=8, Resulting Numbers: [30, 8] Generated Node #0,0,0: 23:[30, 8] Operation: 40-32=8 Exploring Operation: 40-30=10, Resulting Numbers: [32, 10] Generated Node #0,0,1: 23:[32, 10] Operation: 40-30=10 Moving to Node #0,0,0 Current State: 23:[30, 8], Operations: ['73-33=40', '40-32=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[32, 10], Operations: ['73-33=40', '40-30=10'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[30, 33, 41], Operations: ['73-32=41'] Exploring Operation: 41-30=11, Resulting Numbers: [33, 11] Generated Node #0,1,0: 23:[33, 11] Operation: 41-30=11 Exploring Operation: 41-33=8, Resulting Numbers: [30, 8] Generated Node #0,1,1: 23:[30, 8] Operation: 41-33=8 Moving to Node #0,1,0 Current State: 23:[33, 11], Operations: ['73-32=41', '41-30=11'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[30, 8], Operations: ['73-32=41', '41-33=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 29, 49, 20, 18 ]
17
[ "49-29=20", "20/20=1", "18-1=17" ]
Current State: 17:[29, 49, 20, 18], Operations: [] Exploring Operation: 49-29=20, Resulting Numbers: [20, 18, 20] Generated Node #2: [20, 18, 20] from Operation: 49-29=20 Current State: 17:[20, 18, 20], Operations: ['49-29=20'] Exploring Operation: 20/20=1, Resulting Numbers: [18, 1] Generated Node #3: [18, 1] from Operation: 20/20=1 Current State: 17:[18, 1], Operations: ['49-29=20', '20/20=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[29, 49, 20, 18], Operations: [] Exploring Operation: 49-29=20, Resulting Numbers: [20, 18, 20] Generated Node #0,0: 17:[20, 18, 20] Operation: 49-29=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[20, 18, 20], Operations: ['49-29=20'] Exploring Operation: 20/20=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 17:[18, 1] Operation: 20/20=1 Moving to Node #0,0,0 Current State: 17:[18, 1], Operations: ['49-29=20', '20/20=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[29, 49, 20, 18], Operations: [] Exploring Operation: 49-29=20, Resulting Numbers: [20, 18, 20] Generated Node #0,0: 17:[20, 18, 20] Operation: 49-29=20 Moving to Node #0,0 Current State: 17:[20, 18, 20], Operations: ['49-29=20'] Exploring Operation: 20/20=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 17:[18, 1] Operation: 20/20=1 Moving to Node #0,0,0 Current State: 17:[18, 1], Operations: ['49-29=20', '20/20=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 81, 1, 83, 86 ]
83
[ "81-1=80", "86-83=3", "80+3=83" ]
Current State: 83:[81, 1, 83, 86], Operations: [] Exploring Operation: 81-1=80, Resulting Numbers: [83, 86, 80] Generated Node #2: [83, 86, 80] from Operation: 81-1=80 Current State: 83:[83, 86, 80], Operations: ['81-1=80'] Exploring Operation: 86-83=3, Resulting Numbers: [80, 3] Generated Node #3: [80, 3] from Operation: 86-83=3 Current State: 83:[80, 3], Operations: ['81-1=80', '86-83=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[81, 1, 83, 86], Operations: [] Exploring Operation: 81*1=81, Resulting Numbers: [83, 86, 81] Generated Node #0,0: 83:[83, 86, 81] Operation: 81*1=81 Exploring Operation: 86-1=85, Resulting Numbers: [81, 83, 85] Generated Node #0,1: 83:[81, 83, 85] Operation: 86-1=85 Exploring Operation: 81/1=81, Resulting Numbers: [83, 86, 81] Generated Node #0,2: 83:[83, 86, 81] Operation: 81/1=81 Exploring Operation: 81+1=82, Resulting Numbers: [83, 86, 82] Generated Node #0,3: 83:[83, 86, 82] Operation: 81+1=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[81, 83, 85], Operations: ['86-1=85'] Exploring Operation: 83-81=2, Resulting Numbers: [85, 2] Generated Node #0,1,0: 83:[85, 2] Operation: 83-81=2 Exploring Operation: 81+83=164, Resulting Numbers: [85, 164] Generated Node #0,1,1: 83:[85, 164] Operation: 81+83=164 Exploring Operation: 85-81=4, Resulting Numbers: [83, 4] Generated Node #0,1,2: 83:[83, 4] Operation: 85-81=4 Exploring Operation: 81+85=166, Resulting Numbers: [83, 166] Generated Node #0,1,3: 83:[83, 166] Operation: 81+85=166 Moving to Node #0,1,2 Current State: 83:[83, 4], Operations: ['86-1=85', '85-81=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[85, 164], Operations: ['86-1=85', '81+83=164'] Exploring Operation: 85+164=249, Resulting Numbers: [249] 249,83 unequal: No Solution Exploring Operation: 164-85=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 85*164=13940, Resulting Numbers: [13940] 13940,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[85, 2], Operations: ['86-1=85', '83-81=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[81, 1, 83, 86], Operations: [] Exploring Operation: 86-1=85, Resulting Numbers: [81, 83, 85] Generated Node #0,1: 83:[81, 83, 85] Operation: 86-1=85 Moving to Node #0,1 Current State: 83:[81, 83, 85], Operations: ['86-1=85'] Exploring Operation: 83-81=2, Resulting Numbers: [85, 2] Generated Node #0,1,0: 83:[85, 2] Operation: 83-81=2 Moving to Node #0,1,0 Current State: 83:[85, 2], Operations: ['86-1=85', '83-81=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 83, 10, 61, 15 ]
47
[ "83+10=93", "61-15=46", "93-46=47" ]
Current State: 47:[83, 10, 61, 15], Operations: [] Exploring Operation: 83+10=93, Resulting Numbers: [61, 15, 93] Generated Node #2: [61, 15, 93] from Operation: 83+10=93 Current State: 47:[61, 15, 93], Operations: ['83+10=93'] Exploring Operation: 61-15=46, Resulting Numbers: [93, 46] Generated Node #3: [93, 46] from Operation: 61-15=46 Current State: 47:[93, 46], Operations: ['83+10=93', '61-15=46'] Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[83, 10, 61, 15], Operations: [] Exploring Operation: 83-10=73, Resulting Numbers: [61, 15, 73] Generated Node #0,0: 47:[61, 15, 73] Operation: 83-10=73 Exploring Operation: 61-10=51, Resulting Numbers: [83, 15, 51] Generated Node #0,1: 47:[83, 15, 51] Operation: 61-10=51 Exploring Operation: 83-15=68, Resulting Numbers: [10, 61, 68] Generated Node #0,2: 47:[10, 61, 68] Operation: 83-15=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[61, 15, 73], Operations: ['83-10=73'] Exploring Operation: 61+15=76, Resulting Numbers: [73, 76] Generated Node #0,0,0: 47:[73, 76] Operation: 61+15=76 Exploring Operation: 61-15=46, Resulting Numbers: [73, 46] Generated Node #0,0,1: 47:[73, 46] Operation: 61-15=46 Exploring Operation: 73-15=58, Resulting Numbers: [61, 58] Generated Node #0,0,2: 47:[61, 58] Operation: 73-15=58 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[61, 58], Operations: ['83-10=73', '73-15=58'] Exploring Operation: 61*58=3538, Resulting Numbers: [3538] 3538,47 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 61+58=119, Resulting Numbers: [119] 119,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[73, 46], Operations: ['83-10=73', '61-15=46'] Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,47 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,47 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[73, 76], Operations: ['83-10=73', '61+15=76'] Exploring Operation: 73+76=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 73*76=5548, Resulting Numbers: [5548] 5548,47 unequal: No Solution Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[83, 15, 51], Operations: ['61-10=51'] Exploring Operation: 83-51=32, Resulting Numbers: [15, 32] Generated Node #0,1,0: 47:[15, 32] Operation: 83-51=32 Exploring Operation: 83-15=68, Resulting Numbers: [51, 68] Generated Node #0,1,1: 47:[51, 68] Operation: 83-15=68 Exploring Operation: 51-15=36, Resulting Numbers: [83, 36] Generated Node #0,1,2: 47:[83, 36] Operation: 51-15=36 Moving to Node #0,1,1 Current State: 47:[51, 68], Operations: ['61-10=51', '83-15=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,47 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,47 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[15, 32], Operations: ['61-10=51', '83-51=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[83, 10, 61, 15], Operations: [] Exploring Operation: 61-10=51, Resulting Numbers: [83, 15, 51] Generated Node #0,1: 47:[83, 15, 51] Operation: 61-10=51 Moving to Node #0,1 Current State: 47:[83, 15, 51], Operations: ['61-10=51'] Exploring Operation: 83-51=32, Resulting Numbers: [15, 32] Generated Node #0,1,0: 47:[15, 32] Operation: 83-51=32 Moving to Node #0,1,0 Current State: 47:[15, 32], Operations: ['61-10=51', '83-51=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 17, 55, 93, 19 ]
56
[ "55*19=1045", "1045-93=952", "952/17=56" ]
Current State: 56:[17, 55, 93, 19], Operations: [] Exploring Operation: 55*19=1045, Resulting Numbers: [17, 93, 1045] Generated Node #2: [17, 93, 1045] from Operation: 55*19=1045 Current State: 56:[17, 93, 1045], Operations: ['55*19=1045'] Exploring Operation: 1045-93=952, Resulting Numbers: [17, 952] Generated Node #3: [17, 952] from Operation: 1045-93=952 Current State: 56:[17, 952], Operations: ['55*19=1045', '1045-93=952'] Exploring Operation: 952/17=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[17, 55, 93, 19], Operations: [] Exploring Operation: 93-19=74, Resulting Numbers: [17, 55, 74] Generated Node #0,0: 56:[17, 55, 74] Operation: 93-19=74 Exploring Operation: 19-17=2, Resulting Numbers: [55, 93, 2] Generated Node #0,1: 56:[55, 93, 2] Operation: 19-17=2 Exploring Operation: 93-55=38, Resulting Numbers: [17, 19, 38] Generated Node #0,2: 56:[17, 19, 38] Operation: 93-55=38 Exploring Operation: 93-17=76, Resulting Numbers: [55, 19, 76] Generated Node #0,3: 56:[55, 19, 76] Operation: 93-17=76 Moving to Node #0,2 Current State: 56:[17, 19, 38], Operations: ['93-55=38'] Exploring Operation: 17+38=55, Resulting Numbers: [19, 55] Generated Node #0,2,0: 56:[19, 55] Operation: 17+38=55 Exploring Operation: 38/19=2, Resulting Numbers: [17, 2] Generated Node #0,2,1: 56:[17, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [17, 19] Generated Node #0,2,2: 56:[17, 19] Operation: 38-19=19 Exploring Operation: 19+38=57, Resulting Numbers: [17, 57] Generated Node #0,2,3: 56:[17, 57] Operation: 19+38=57 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[17, 2], Operations: ['93-55=38', '38/19=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,56 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 56:[17, 57], Operations: ['93-55=38', '19+38=57'] Exploring Operation: 17*57=969, Resulting Numbers: [969] 969,56 unequal: No Solution Exploring Operation: 17+57=74, Resulting Numbers: [74] 74,56 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[19, 55], Operations: ['93-55=38', '17+38=55'] Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,56 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[17, 19], Operations: ['93-55=38', '38-19=19'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 56:[17, 55, 74], Operations: ['93-19=74'] Exploring Operation: 17+55=72, Resulting Numbers: [74, 72] Generated Node #0,0,0: 56:[74, 72] Operation: 17+55=72 Exploring Operation: 55-17=38, Resulting Numbers: [74, 38] Generated Node #0,0,1: 56:[74, 38] Operation: 55-17=38 Exploring Operation: 74-17=57, Resulting Numbers: [55, 57] Generated Node #0,0,2: 56:[55, 57] Operation: 74-17=57 Exploring Operation: 74-55=19, Resulting Numbers: [17, 19] Generated Node #0,0,3: 56:[17, 19] Operation: 74-55=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[55, 57], Operations: ['93-19=74', '74-17=57'] Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,56 unequal: No Solution Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 56:[17, 19], Operations: ['93-19=74', '74-55=19'] Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,56 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[74, 38], Operations: ['93-19=74', '55-17=38'] Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 74+38=112, Resulting Numbers: [112] 112,56 unequal: No Solution Exploring Operation: 74*38=2812, Resulting Numbers: [2812] 2812,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[74, 72], Operations: ['93-19=74', '17+55=72'] Exploring Operation: 74*72=5328, Resulting Numbers: [5328] 5328,56 unequal: No Solution Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 74+72=146, Resulting Numbers: [146] 146,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 56:[55, 19, 76], Operations: ['93-17=76'] Exploring Operation: 76-55=21, Resulting Numbers: [19, 21] Generated Node #0,3,0: 56:[19, 21] Operation: 76-55=21 Exploring Operation: 76-19=57, Resulting Numbers: [55, 57] Generated Node #0,3,1: 56:[55, 57] Operation: 76-19=57 Exploring Operation: 76/19=4, Resulting Numbers: [55, 4] Generated Node #0,3,2: 56:[55, 4] Operation: 76/19=4 Exploring Operation: 55-19=36, Resulting Numbers: [76, 36] Generated Node #0,3,3: 56:[76, 36] Operation: 55-19=36 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[55, 4], Operations: ['93-17=76', '76/19=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[55, 57], Operations: ['93-17=76', '76-19=57'] Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,56 unequal: No Solution Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 56:[19, 21], Operations: ['93-17=76', '76-55=21'] Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,56 unequal: No Solution Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 56:[76, 36], Operations: ['93-17=76', '55-19=36'] Exploring Operation: 76-36=40, Resulting Numbers: [40] 40,56 unequal: No Solution Exploring Operation: 76*36=2736, Resulting Numbers: [2736] 2736,56 unequal: No Solution Exploring Operation: 76+36=112, Resulting Numbers: [112] 112,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 56:[55, 93, 2], Operations: ['19-17=2'] Exploring Operation: 55+2=57, Resulting Numbers: [93, 57] Generated Node #0,1,0: 56:[93, 57] Operation: 55+2=57 Exploring Operation: 93-2=91, Resulting Numbers: [55, 91] Generated Node #0,1,1: 56:[55, 91] Operation: 93-2=91 Exploring Operation: 93-55=38, Resulting Numbers: [2, 38] Generated Node #0,1,2: 56:[2, 38] Operation: 93-55=38 Exploring Operation: 55-2=53, Resulting Numbers: [93, 53] Generated Node #0,1,3: 56:[93, 53] Operation: 55-2=53 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[2, 38], Operations: ['19-17=2', '93-55=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,56 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[55, 91], Operations: ['19-17=2', '93-2=91'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 55*91=5005, Resulting Numbers: [5005] 5005,56 unequal: No Solution Exploring Operation: 55+91=146, Resulting Numbers: [146] 146,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[93, 57], Operations: ['19-17=2', '55+2=57'] Exploring Operation: 93*57=5301, Resulting Numbers: [5301] 5301,56 unequal: No Solution Exploring Operation: 93+57=150, Resulting Numbers: [150] 150,56 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 56:[93, 53], Operations: ['19-17=2', '55-2=53'] Exploring Operation: 93-53=40, Resulting Numbers: [40] 40,56 unequal: No Solution Exploring Operation: 93+53=146, Resulting Numbers: [146] 146,56 unequal: No Solution Exploring Operation: 93*53=4929, Resulting Numbers: [4929] 4929,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 45, 99, 56, 58 ]
27
[ "99-45=54", "58-56=2", "54/2=27" ]
Current State: 27:[45, 99, 56, 58], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [56, 58, 54] Generated Node #2: [56, 58, 54] from Operation: 99-45=54 Current State: 27:[56, 58, 54], Operations: ['99-45=54'] Exploring Operation: 58-56=2, Resulting Numbers: [54, 2] Generated Node #3: [54, 2] from Operation: 58-56=2 Current State: 27:[54, 2], Operations: ['99-45=54', '58-56=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[45, 99, 56, 58], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [45, 58, 43] Generated Node #0,0: 27:[45, 58, 43] Operation: 99-56=43 Exploring Operation: 99-58=41, Resulting Numbers: [45, 56, 41] Generated Node #0,1: 27:[45, 56, 41] Operation: 99-58=41 Exploring Operation: 58-56=2, Resulting Numbers: [45, 99, 2] Generated Node #0,2: 27:[45, 99, 2] Operation: 58-56=2 Exploring Operation: 99-45=54, Resulting Numbers: [56, 58, 54] Generated Node #0,3: 27:[56, 58, 54] Operation: 99-45=54 Exploring Operation: 56-45=11, Resulting Numbers: [99, 58, 11] Generated Node #0,4: 27:[99, 58, 11] Operation: 56-45=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[45, 56, 41], Operations: ['99-58=41'] Exploring Operation: 56-45=11, Resulting Numbers: [41, 11] Generated Node #0,1,0: 27:[41, 11] Operation: 56-45=11 Exploring Operation: 45+56=101, Resulting Numbers: [41, 101] Generated Node #0,1,1: 27:[41, 101] Operation: 45+56=101 Exploring Operation: 45+41=86, Resulting Numbers: [56, 86] Generated Node #0,1,2: 27:[56, 86] Operation: 45+41=86 Exploring Operation: 45-41=4, Resulting Numbers: [56, 4] Generated Node #0,1,3: 27:[56, 4] Operation: 45-41=4 Exploring Operation: 56-41=15, Resulting Numbers: [45, 15] Generated Node #0,1,4: 27:[45, 15] Operation: 56-41=15 Moving to Node #0,1,0 Current State: 27:[41, 11], Operations: ['99-58=41', '56-45=11'] Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,27 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[45, 15], Operations: ['99-58=41', '56-41=15'] Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 45*15=675, Resulting Numbers: [675] 675,27 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[56, 4], Operations: ['99-58=41', '45-41=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,27 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[41, 101], Operations: ['99-58=41', '45+56=101'] Exploring Operation: 41+101=142, Resulting Numbers: [142] 142,27 unequal: No Solution Exploring Operation: 101-41=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 41*101=4141, Resulting Numbers: [4141] 4141,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[56, 86], Operations: ['99-58=41', '45+41=86'] Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,27 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[45, 58, 43], Operations: ['99-56=43'] Exploring Operation: 45+43=88, Resulting Numbers: [58, 88] Generated Node #0,0,0: 27:[58, 88] Operation: 45+43=88 Exploring Operation: 45-43=2, Resulting Numbers: [58, 2] Generated Node #0,0,1: 27:[58, 2] Operation: 45-43=2 Exploring Operation: 45+58=103, Resulting Numbers: [43, 103] Generated Node #0,0,2: 27:[43, 103] Operation: 45+58=103 Exploring Operation: 58-43=15, Resulting Numbers: [45, 15] Generated Node #0,0,3: 27:[45, 15] Operation: 58-43=15 Exploring Operation: 58-45=13, Resulting Numbers: [43, 13] Generated Node #0,0,4: 27:[43, 13] Operation: 58-45=13 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[43, 13], Operations: ['99-56=43', '58-45=13'] Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,27 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[45, 15], Operations: ['99-56=43', '58-43=15'] Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 45*15=675, Resulting Numbers: [675] 675,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[58, 2], Operations: ['99-56=43', '45-43=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,27 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[58, 88], Operations: ['99-56=43', '45+43=88'] Exploring Operation: 58*88=5104, Resulting Numbers: [5104] 5104,27 unequal: No Solution Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 58+88=146, Resulting Numbers: [146] 146,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[43, 103], Operations: ['99-56=43', '45+58=103'] Exploring Operation: 103-43=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 43*103=4429, Resulting Numbers: [4429] 4429,27 unequal: No Solution Exploring Operation: 43+103=146, Resulting Numbers: [146] 146,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[56, 58, 54], Operations: ['99-45=54'] Exploring Operation: 58-54=4, Resulting Numbers: [56, 4] Generated Node #0,3,0: 27:[56, 4] Operation: 58-54=4 Exploring Operation: 56-54=2, Resulting Numbers: [58, 2] Generated Node #0,3,1: 27:[58, 2] Operation: 56-54=2 Exploring Operation: 58-56=2, Resulting Numbers: [54, 2] Generated Node #0,3,2: 27:[54, 2] Operation: 58-56=2 Exploring Operation: 56+58=114, Resulting Numbers: [54, 114] Generated Node #0,3,3: 27:[54, 114] Operation: 56+58=114 Exploring Operation: 56+54=110, Resulting Numbers: [58, 110] Generated Node #0,3,4: 27:[58, 110] Operation: 56+54=110 Moving to Node #0,3,2 Current State: 27:[54, 2], Operations: ['99-45=54', '58-56=2'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,27 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[45, 99, 56, 58], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [56, 58, 54] Generated Node #0,3: 27:[56, 58, 54] Operation: 99-45=54 Moving to Node #0,3 Current State: 27:[56, 58, 54], Operations: ['99-45=54'] Exploring Operation: 58-56=2, Resulting Numbers: [54, 2] Generated Node #0,3,2: 27:[54, 2] Operation: 58-56=2 Moving to Node #0,3,2 Current State: 27:[54, 2], Operations: ['99-45=54', '58-56=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
sum_heuristic
[ 12, 74, 30, 8 ]
26
[ "12-8=4", "74+30=104", "104/4=26" ]
Current State: 26:[12, 74, 30, 8], Operations: [] Exploring Operation: 12-8=4, Resulting Numbers: [74, 30, 4] Generated Node #2: [74, 30, 4] from Operation: 12-8=4 Current State: 26:[74, 30, 4], Operations: ['12-8=4'] Exploring Operation: 74+30=104, Resulting Numbers: [4, 104] Generated Node #3: [4, 104] from Operation: 74+30=104 Current State: 26:[4, 104], Operations: ['12-8=4', '74+30=104'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[12, 74, 30, 8], Operations: [] Exploring Operation: 74-12=62, Resulting Numbers: [30, 8, 62] Generated Node #0,0: 26:[30, 8, 62] Operation: 74-12=62 Exploring Operation: 74-30=44, Resulting Numbers: [12, 8, 44] Generated Node #0,1: 26:[12, 8, 44] Operation: 74-30=44 Moving to Node #0,1 Current State: 26:[12, 8, 44], Operations: ['74-30=44'] Exploring Operation: 44-12=32, Resulting Numbers: [8, 32] Generated Node #0,1,0: 26:[8, 32] Operation: 44-12=32 Exploring Operation: 44-8=36, Resulting Numbers: [12, 36] Generated Node #0,1,1: 26:[12, 36] Operation: 44-8=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[8, 32], Operations: ['74-30=44', '44-12=32'] Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[12, 36], Operations: ['74-30=44', '44-8=36'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[30, 8, 62], Operations: ['74-12=62'] Exploring Operation: 62-30=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 26:[8, 32] Operation: 62-30=32 Exploring Operation: 62-8=54, Resulting Numbers: [30, 54] Generated Node #0,0,1: 26:[30, 54] Operation: 62-8=54 Moving to Node #0,0,0 Current State: 26:[8, 32], Operations: ['74-12=62', '62-30=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[30, 54], Operations: ['74-12=62', '62-8=54'] Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,26 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,26 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 66, 47, 83, 6 ]
31
[ "66-47=19", "6*19=114", "114-83=31" ]
Current State: 31:[66, 47, 83, 6], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [83, 6, 19] Generated Node #2: [83, 6, 19] from Operation: 66-47=19 Current State: 31:[83, 6, 19], Operations: ['66-47=19'] Exploring Operation: 6*19=114, Resulting Numbers: [83, 114] Generated Node #3: [83, 114] from Operation: 6*19=114 Current State: 31:[83, 114], Operations: ['66-47=19', '6*19=114'] Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[66, 47, 83, 6], Operations: [] Exploring Operation: 83-47=36, Resulting Numbers: [66, 6, 36] Generated Node #0,0: 31:[66, 6, 36] Operation: 83-47=36 Exploring Operation: 66/6=11, Resulting Numbers: [47, 83, 11] Generated Node #0,1: 31:[47, 83, 11] Operation: 66/6=11 Exploring Operation: 66-47=19, Resulting Numbers: [83, 6, 19] Generated Node #0,2: 31:[83, 6, 19] Operation: 66-47=19 Exploring Operation: 83-66=17, Resulting Numbers: [47, 6, 17] Generated Node #0,3: 31:[47, 6, 17] Operation: 83-66=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[47, 6, 17], Operations: ['83-66=17'] Exploring Operation: 47-17=30, Resulting Numbers: [6, 30] Generated Node #0,3,0: 31:[6, 30] Operation: 47-17=30 Exploring Operation: 47+6=53, Resulting Numbers: [17, 53] Generated Node #0,3,1: 31:[17, 53] Operation: 47+6=53 Exploring Operation: 6+17=23, Resulting Numbers: [47, 23] Generated Node #0,3,2: 31:[47, 23] Operation: 6+17=23 Exploring Operation: 47-6=41, Resulting Numbers: [17, 41] Generated Node #0,3,3: 31:[17, 41] Operation: 47-6=41 Moving to Node #0,3,2 Current State: 31:[47, 23], Operations: ['83-66=17', '6+17=23'] Exploring Operation: 47+23=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 47*23=1081, Resulting Numbers: [1081] 1081,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[17, 41], Operations: ['83-66=17', '47-6=41'] Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,31 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[6, 30], Operations: ['83-66=17', '47-17=30'] Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,31 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[17, 53], Operations: ['83-66=17', '47+6=53'] Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 17+53=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 17*53=901, Resulting Numbers: [901] 901,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[66, 6, 36], Operations: ['83-47=36'] Exploring Operation: 66-36=30, Resulting Numbers: [6, 30] Generated Node #0,0,0: 31:[6, 30] Operation: 66-36=30 Exploring Operation: 36-6=30, Resulting Numbers: [66, 30] Generated Node #0,0,1: 31:[66, 30] Operation: 36-6=30 Exploring Operation: 66-6=60, Resulting Numbers: [36, 60] Generated Node #0,0,2: 31:[36, 60] Operation: 66-6=60 Exploring Operation: 66/6=11, Resulting Numbers: [36, 11] Generated Node #0,0,3: 31:[36, 11] Operation: 66/6=11 Moving to Node #0,0,3 Current State: 31:[36, 11], Operations: ['83-47=36', '66/6=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[6, 30], Operations: ['83-47=36', '66-36=30'] Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,31 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[36, 60], Operations: ['83-47=36', '66-6=60'] Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,31 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[66, 30], Operations: ['83-47=36', '36-6=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,31 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[47, 83, 11], Operations: ['66/6=11'] Exploring Operation: 83-11=72, Resulting Numbers: [47, 72] Generated Node #0,1,0: 31:[47, 72] Operation: 83-11=72 Exploring Operation: 47-11=36, Resulting Numbers: [83, 36] Generated Node #0,1,1: 31:[83, 36] Operation: 47-11=36 Exploring Operation: 83-47=36, Resulting Numbers: [11, 36] Generated Node #0,1,2: 31:[11, 36] Operation: 83-47=36 Exploring Operation: 47+11=58, Resulting Numbers: [83, 58] Generated Node #0,1,3: 31:[83, 58] Operation: 47+11=58 Moving to Node #0,1,2 Current State: 31:[11, 36], Operations: ['66/6=11', '83-47=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[83, 36], Operations: ['66/6=11', '47-11=36'] Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,31 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[47, 72], Operations: ['66/6=11', '83-11=72'] Exploring Operation: 47*72=3384, Resulting Numbers: [3384] 3384,31 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 47+72=119, Resulting Numbers: [119] 119,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[83, 58], Operations: ['66/6=11', '47+11=58'] Exploring Operation: 83+58=141, Resulting Numbers: [141] 141,31 unequal: No Solution Exploring Operation: 83*58=4814, Resulting Numbers: [4814] 4814,31 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[83, 6, 19], Operations: ['66-47=19'] Exploring Operation: 83+6=89, Resulting Numbers: [19, 89] Generated Node #0,2,0: 31:[19, 89] Operation: 83+6=89 Exploring Operation: 83-6=77, Resulting Numbers: [19, 77] Generated Node #0,2,1: 31:[19, 77] Operation: 83-6=77 Exploring Operation: 83-19=64, Resulting Numbers: [6, 64] Generated Node #0,2,2: 31:[6, 64] Operation: 83-19=64 Exploring Operation: 6+19=25, Resulting Numbers: [83, 25] Generated Node #0,2,3: 31:[83, 25] Operation: 6+19=25 Moving to Node #0,2,1 Current State: 31:[19, 77], Operations: ['66-47=19', '83-6=77'] Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,31 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[83, 25], Operations: ['66-47=19', '6+19=25'] Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,31 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[6, 64], Operations: ['66-47=19', '83-19=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,31 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[19, 89], Operations: ['66-47=19', '83+6=89'] Exploring Operation: 19+89=108, Resulting Numbers: [108] 108,31 unequal: No Solution Exploring Operation: 19*89=1691, Resulting Numbers: [1691] 1691,31 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 21, 26, 25, 89 ]
59
[ "26-21=5", "89-25=64", "64-5=59" ]
Current State: 59:[21, 26, 25, 89], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [25, 89, 5] Generated Node #2: [25, 89, 5] from Operation: 26-21=5 Current State: 59:[25, 89, 5], Operations: ['26-21=5'] Exploring Operation: 89-25=64, Resulting Numbers: [5, 64] Generated Node #3: [5, 64] from Operation: 89-25=64 Current State: 59:[5, 64], Operations: ['26-21=5', '89-25=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[21, 26, 25, 89], Operations: [] Exploring Operation: 21+26=47, Resulting Numbers: [25, 89, 47] Generated Node #0,0: 59:[25, 89, 47] Operation: 21+26=47 Exploring Operation: 26+25=51, Resulting Numbers: [21, 89, 51] Generated Node #0,1: 59:[21, 89, 51] Operation: 26+25=51 Exploring Operation: 21+25=46, Resulting Numbers: [26, 89, 46] Generated Node #0,2: 59:[26, 89, 46] Operation: 21+25=46 Exploring Operation: 89-26=63, Resulting Numbers: [21, 25, 63] Generated Node #0,3: 59:[21, 25, 63] Operation: 89-26=63 Exploring Operation: 89-21=68, Resulting Numbers: [26, 25, 68] Generated Node #0,4: 59:[26, 25, 68] Operation: 89-21=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[25, 89, 47], Operations: ['21+26=47'] Exploring Operation: 89-25=64, Resulting Numbers: [47, 64] Generated Node #0,0,0: 59:[47, 64] Operation: 89-25=64 Exploring Operation: 25+89=114, Resulting Numbers: [47, 114] Generated Node #0,0,1: 59:[47, 114] Operation: 25+89=114 Exploring Operation: 89-47=42, Resulting Numbers: [25, 42] Generated Node #0,0,2: 59:[25, 42] Operation: 89-47=42 Exploring Operation: 25+47=72, Resulting Numbers: [89, 72] Generated Node #0,0,3: 59:[89, 72] Operation: 25+47=72 Exploring Operation: 47-25=22, Resulting Numbers: [89, 22] Generated Node #0,0,4: 59:[89, 22] Operation: 47-25=22 Moving to Node #0,0,0 Current State: 59:[47, 64], Operations: ['21+26=47', '89-25=64'] Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 47*64=3008, Resulting Numbers: [3008] 3008,59 unequal: No Solution Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[89, 72], Operations: ['21+26=47', '25+47=72'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,59 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[25, 42], Operations: ['21+26=47', '89-47=42'] Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,59 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[47, 114], Operations: ['21+26=47', '25+89=114'] Exploring Operation: 114-47=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 47*114=5358, Resulting Numbers: [5358] 5358,59 unequal: No Solution Exploring Operation: 47+114=161, Resulting Numbers: [161] 161,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[89, 22], Operations: ['21+26=47', '47-25=22'] Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 89+22=111, Resulting Numbers: [111] 111,59 unequal: No Solution Exploring Operation: 89*22=1958, Resulting Numbers: [1958] 1958,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[21, 89, 51], Operations: ['26+25=51'] Exploring Operation: 51-21=30, Resulting Numbers: [89, 30] Generated Node #0,1,0: 59:[89, 30] Operation: 51-21=30 Exploring Operation: 21+89=110, Resulting Numbers: [51, 110] Generated Node #0,1,1: 59:[51, 110] Operation: 21+89=110 Exploring Operation: 21+51=72, Resulting Numbers: [89, 72] Generated Node #0,1,2: 59:[89, 72] Operation: 21+51=72 Exploring Operation: 89-51=38, Resulting Numbers: [21, 38] Generated Node #0,1,3: 59:[21, 38] Operation: 89-51=38 Exploring Operation: 89-21=68, Resulting Numbers: [51, 68] Generated Node #0,1,4: 59:[51, 68] Operation: 89-21=68 Moving to Node #0,1,4 Current State: 59:[51, 68], Operations: ['26+25=51', '89-21=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[89, 72], Operations: ['26+25=51', '21+51=72'] Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,59 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[89, 30], Operations: ['26+25=51', '51-21=30'] Exploring Operation: 89*30=2670, Resulting Numbers: [2670] 2670,59 unequal: No Solution Exploring Operation: 89+30=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[21, 26, 25, 89], Operations: [] Exploring Operation: 26+25=51, Resulting Numbers: [21, 89, 51] Generated Node #0,1: 59:[21, 89, 51] Operation: 26+25=51 Moving to Node #0,1 Current State: 59:[21, 89, 51], Operations: ['26+25=51'] Exploring Operation: 51-21=30, Resulting Numbers: [89, 30] Generated Node #0,1,0: 59:[89, 30] Operation: 51-21=30 Moving to Node #0,1,0 Current State: 59:[89, 30], Operations: ['26+25=51', '51-21=30'] Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 10, 43, 4, 2 ]
45
[ "10+43=53", "4*2=8", "53-8=45" ]
Current State: 45:[10, 43, 4, 2], Operations: [] Exploring Operation: 10+43=53, Resulting Numbers: [4, 2, 53] Generated Node #2: [4, 2, 53] from Operation: 10+43=53 Current State: 45:[4, 2, 53], Operations: ['10+43=53'] Exploring Operation: 4*2=8, Resulting Numbers: [53, 8] Generated Node #3: [53, 8] from Operation: 4*2=8 Current State: 45:[53, 8], Operations: ['10+43=53', '4*2=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[10, 43, 4, 2], Operations: [] Exploring Operation: 43+2=45, Resulting Numbers: [10, 4, 45] Generated Node #0,0: 45:[10, 4, 45] Operation: 43+2=45 Exploring Operation: 10/2=5, Resulting Numbers: [43, 4, 5] Generated Node #0,1: 45:[43, 4, 5] Operation: 10/2=5 Exploring Operation: 10+4=14, Resulting Numbers: [43, 2, 14] Generated Node #0,2: 45:[43, 2, 14] Operation: 10+4=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[10, 4, 45], Operations: ['43+2=45'] Exploring Operation: 10*4=40, Resulting Numbers: [45, 40] Generated Node #0,0,0: 45:[45, 40] Operation: 10*4=40 Exploring Operation: 10-4=6, Resulting Numbers: [45, 6] Generated Node #0,0,1: 45:[45, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [45, 14] Generated Node #0,0,2: 45:[45, 14] Operation: 10+4=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[45, 6], Operations: ['43+2=45', '10-4=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,45 unequal: No Solution Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[45, 14], Operations: ['43+2=45', '10+4=14'] Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,45 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[45, 40], Operations: ['43+2=45', '10*4=40'] Exploring Operation: 45+40=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 45*40=1800, Resulting Numbers: [1800] 1800,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[43, 4, 5], Operations: ['10/2=5'] Exploring Operation: 4+5=9, Resulting Numbers: [43, 9] Generated Node #0,1,0: 45:[43, 9] Operation: 4+5=9 Exploring Operation: 43+5=48, Resulting Numbers: [4, 48] Generated Node #0,1,1: 45:[4, 48] Operation: 43+5=48 Exploring Operation: 43+4=47, Resulting Numbers: [5, 47] Generated Node #0,1,2: 45:[5, 47] Operation: 43+4=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[43, 9], Operations: ['10/2=5', '4+5=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[5, 47], Operations: ['10/2=5', '43+4=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,45 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[4, 48], Operations: ['10/2=5', '43+5=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[43, 2, 14], Operations: ['10+4=14'] Exploring Operation: 14/2=7, Resulting Numbers: [43, 7] Generated Node #0,2,0: 45:[43, 7] Operation: 14/2=7 Exploring Operation: 2+14=16, Resulting Numbers: [43, 16] Generated Node #0,2,1: 45:[43, 16] Operation: 2+14=16 Exploring Operation: 43+2=45, Resulting Numbers: [14, 45] Generated Node #0,2,2: 45:[14, 45] Operation: 43+2=45 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[14, 45], Operations: ['10+4=14', '43+2=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,45 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 45:[43, 16], Operations: ['10+4=14', '2+14=16'] Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,45 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[43, 7], Operations: ['10+4=14', '14/2=7'] Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,45 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 73, 61, 34, 72 ]
96
[ "73+61=134", "72-34=38", "134-38=96" ]
Current State: 96:[73, 61, 34, 72], Operations: [] Exploring Operation: 73+61=134, Resulting Numbers: [34, 72, 134] Generated Node #2: [34, 72, 134] from Operation: 73+61=134 Current State: 96:[34, 72, 134], Operations: ['73+61=134'] Exploring Operation: 72-34=38, Resulting Numbers: [134, 38] Generated Node #3: [134, 38] from Operation: 72-34=38 Current State: 96:[134, 38], Operations: ['73+61=134', '72-34=38'] Exploring Operation: 134-38=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[73, 61, 34, 72], Operations: [] Exploring Operation: 73-72=1, Resulting Numbers: [61, 34, 1] Generated Node #0,0: 96:[61, 34, 1] Operation: 73-72=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[61, 34, 1], Operations: ['73-72=1'] Exploring Operation: 61+34=95, Resulting Numbers: [1, 95] Generated Node #0,0,0: 96:[1, 95] Operation: 61+34=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[1, 95], Operations: ['73-72=1', '61+34=95'] Exploring Operation: 1+95=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[73, 61, 34, 72], Operations: [] Exploring Operation: 73-72=1, Resulting Numbers: [61, 34, 1] Generated Node #0,0: 96:[61, 34, 1] Operation: 73-72=1 Moving to Node #0,0 Current State: 96:[61, 34, 1], Operations: ['73-72=1'] Exploring Operation: 61+34=95, Resulting Numbers: [1, 95] Generated Node #0,0,0: 96:[1, 95] Operation: 61+34=95 Moving to Node #0,0,0 Current State: 96:[1, 95], Operations: ['73-72=1', '61+34=95'] Exploring Operation: 1+95=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 38, 48, 41, 24 ]
69
[ "38+48=86", "41-24=17", "86-17=69" ]
Current State: 69:[38, 48, 41, 24], Operations: [] Exploring Operation: 38+48=86, Resulting Numbers: [41, 24, 86] Generated Node #2: [41, 24, 86] from Operation: 38+48=86 Current State: 69:[41, 24, 86], Operations: ['38+48=86'] Exploring Operation: 41-24=17, Resulting Numbers: [86, 17] Generated Node #3: [86, 17] from Operation: 41-24=17 Current State: 69:[86, 17], Operations: ['38+48=86', '41-24=17'] Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[38, 48, 41, 24], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [41, 24, 10] Generated Node #0,0: 69:[41, 24, 10] Operation: 48-38=10 Exploring Operation: 48-41=7, Resulting Numbers: [38, 24, 7] Generated Node #0,1: 69:[38, 24, 7] Operation: 48-41=7 Exploring Operation: 41-38=3, Resulting Numbers: [48, 24, 3] Generated Node #0,2: 69:[48, 24, 3] Operation: 41-38=3 Exploring Operation: 38+41=79, Resulting Numbers: [48, 24, 79] Generated Node #0,3: 69:[48, 24, 79] Operation: 38+41=79 Moving to Node #0,1 Current State: 69:[38, 24, 7], Operations: ['48-41=7'] Exploring Operation: 38+24=62, Resulting Numbers: [7, 62] Generated Node #0,1,0: 69:[7, 62] Operation: 38+24=62 Exploring Operation: 38-7=31, Resulting Numbers: [24, 31] Generated Node #0,1,1: 69:[24, 31] Operation: 38-7=31 Exploring Operation: 24-7=17, Resulting Numbers: [38, 17] Generated Node #0,1,2: 69:[38, 17] Operation: 24-7=17 Exploring Operation: 38-24=14, Resulting Numbers: [7, 14] Generated Node #0,1,3: 69:[7, 14] Operation: 38-24=14 Moving to Node #0,2 Current State: 69:[48, 24, 3], Operations: ['41-38=3'] Exploring Operation: 48-24=24, Resulting Numbers: [3, 24] Generated Node #0,2,0: 69:[3, 24] Operation: 48-24=24 Exploring Operation: 48/3=16, Resulting Numbers: [24, 16] Generated Node #0,2,1: 69:[24, 16] Operation: 48/3=16 Exploring Operation: 48/24=2, Resulting Numbers: [3, 2] Generated Node #0,2,2: 69:[3, 2] Operation: 48/24=2 Exploring Operation: 48+24=72, Resulting Numbers: [3, 72] Generated Node #0,2,3: 69:[3, 72] Operation: 48+24=72 Moving to Node #0,0 Current State: 69:[41, 24, 10], Operations: ['48-38=10'] Exploring Operation: 41+10=51, Resulting Numbers: [24, 51] Generated Node #0,0,0: 69:[24, 51] Operation: 41+10=51 Exploring Operation: 41-24=17, Resulting Numbers: [10, 17] Generated Node #0,0,1: 69:[10, 17] Operation: 41-24=17 Exploring Operation: 41+24=65, Resulting Numbers: [10, 65] Generated Node #0,0,2: 69:[10, 65] Operation: 41+24=65 Exploring Operation: 41-10=31, Resulting Numbers: [24, 31] Generated Node #0,0,3: 69:[24, 31] Operation: 41-10=31 Moving to Node #0,3 Current State: 69:[48, 24, 79], Operations: ['38+41=79'] Exploring Operation: 79-48=31, Resulting Numbers: [24, 31] Generated Node #0,3,0: 69:[24, 31] Operation: 79-48=31 Exploring Operation: 48+24=72, Resulting Numbers: [79, 72] Generated Node #0,3,1: 69:[79, 72] Operation: 48+24=72 Exploring Operation: 48/24=2, Resulting Numbers: [79, 2] Generated Node #0,3,2: 69:[79, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [79, 24] Generated Node #0,3,3: 69:[79, 24] Operation: 48-24=24 Moving to Node #0,2,0 Current State: 69:[3, 24], Operations: ['41-38=3', '48-24=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,69 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[3, 2], Operations: ['41-38=3', '48/24=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[3, 72], Operations: ['41-38=3', '48+24=72'] Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,69 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[38, 48, 41, 24], Operations: [] Exploring Operation: 41-38=3, Resulting Numbers: [48, 24, 3] Generated Node #0,2: 69:[48, 24, 3] Operation: 41-38=3 Moving to Node #0,2 Current State: 69:[48, 24, 3], Operations: ['41-38=3'] Exploring Operation: 48+24=72, Resulting Numbers: [3, 72] Generated Node #0,2,3: 69:[3, 72] Operation: 48+24=72 Moving to Node #0,2,3 Current State: 69:[3, 72], Operations: ['41-38=3', '48+24=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.971354
hs_4
mult_heuristic
[ 12, 54, 5, 17 ]
29
[ "17-12=5", "5*5=25", "54-25=29" ]
Current State: 29:[12, 54, 5, 17], Operations: [] Exploring Operation: 17-12=5, Resulting Numbers: [54, 5, 5] Generated Node #2: [54, 5, 5] from Operation: 17-12=5 Current State: 29:[54, 5, 5], Operations: ['17-12=5'] Exploring Operation: 5*5=25, Resulting Numbers: [54, 25] Generated Node #3: [54, 25] from Operation: 5*5=25 Current State: 29:[54, 25], Operations: ['17-12=5', '5*5=25'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[12, 54, 5, 17], Operations: [] Exploring Operation: 12+5=17, Resulting Numbers: [54, 17, 17] Generated Node #0,0: 29:[54, 17, 17] Operation: 12+5=17 Exploring Operation: 54-12=42, Resulting Numbers: [5, 17, 42] Generated Node #0,1: 29:[5, 17, 42] Operation: 54-12=42 Exploring Operation: 12+17=29, Resulting Numbers: [54, 5, 29] Generated Node #0,2: 29:[54, 5, 29] Operation: 12+17=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[54, 17, 17], Operations: ['12+5=17'] Exploring Operation: 54-17=37, Resulting Numbers: [17, 37] Generated Node #0,0,0: 29:[17, 37] Operation: 54-17=37 Exploring Operation: 54-17=37, Resulting Numbers: [17, 37] Generated Node #0,0,1: 29:[17, 37] Operation: 54-17=37 Exploring Operation: 17+17=34, Resulting Numbers: [54, 34] Generated Node #0,0,2: 29:[54, 34] Operation: 17+17=34 Moving to Node #0,0,0 Current State: 29:[17, 37], Operations: ['12+5=17', '54-17=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[17, 37], Operations: ['12+5=17', '54-17=37'] Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,29 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[54, 34], Operations: ['12+5=17', '17+17=34'] Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,29 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[5, 17, 42], Operations: ['54-12=42'] Exploring Operation: 42-17=25, Resulting Numbers: [5, 25] Generated Node #0,1,0: 29:[5, 25] Operation: 42-17=25 Exploring Operation: 5+17=22, Resulting Numbers: [42, 22] Generated Node #0,1,1: 29:[42, 22] Operation: 5+17=22 Exploring Operation: 42-5=37, Resulting Numbers: [17, 37] Generated Node #0,1,2: 29:[17, 37] Operation: 42-5=37 Moving to Node #0,1,1 Current State: 29:[42, 22], Operations: ['54-12=42', '5+17=22'] Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,29 unequal: No Solution Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,29 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[17, 37], Operations: ['54-12=42', '42-5=37'] Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,29 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[5, 25], Operations: ['54-12=42', '42-17=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[54, 5, 29], Operations: ['12+17=29'] Exploring Operation: 54-5=49, Resulting Numbers: [29, 49] Generated Node #0,2,0: 29:[29, 49] Operation: 54-5=49 Exploring Operation: 54+5=59, Resulting Numbers: [29, 59] Generated Node #0,2,1: 29:[29, 59] Operation: 54+5=59 Exploring Operation: 54-29=25, Resulting Numbers: [5, 25] Generated Node #0,2,2: 29:[5, 25] Operation: 54-29=25 Moving to Node #0,2,0 Current State: 29:[29, 49], Operations: ['12+17=29', '54-5=49'] Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 29*49=1421, Resulting Numbers: [1421] 1421,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[5, 25], Operations: ['12+17=29', '54-29=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[29, 59], Operations: ['12+17=29', '54+5=59'] Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,29 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,29 unequal: No Solution Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 80, 56, 35, 36 ]
25
[ "80-56=24", "36-35=1", "24+1=25" ]
Current State: 25:[80, 56, 35, 36], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [35, 36, 24] Generated Node #2: [35, 36, 24] from Operation: 80-56=24 Current State: 25:[35, 36, 24], Operations: ['80-56=24'] Exploring Operation: 36-35=1, Resulting Numbers: [24, 1] Generated Node #3: [24, 1] from Operation: 36-35=1 Current State: 25:[24, 1], Operations: ['80-56=24', '36-35=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[80, 56, 35, 36], Operations: [] Exploring Operation: 80-35=45, Resulting Numbers: [56, 36, 45] Generated Node #0,0: 25:[56, 36, 45] Operation: 80-35=45 Exploring Operation: 56-35=21, Resulting Numbers: [80, 36, 21] Generated Node #0,1: 25:[80, 36, 21] Operation: 56-35=21 Exploring Operation: 80-36=44, Resulting Numbers: [56, 35, 44] Generated Node #0,2: 25:[56, 35, 44] Operation: 80-36=44 Exploring Operation: 56-36=20, Resulting Numbers: [80, 35, 20] Generated Node #0,3: 25:[80, 35, 20] Operation: 56-36=20 Exploring Operation: 80-56=24, Resulting Numbers: [35, 36, 24] Generated Node #0,4: 25:[35, 36, 24] Operation: 80-56=24 Moving to Node #0,4 Current State: 25:[35, 36, 24], Operations: ['80-56=24'] Exploring Operation: 36-24=12, Resulting Numbers: [35, 12] Generated Node #0,4,0: 25:[35, 12] Operation: 36-24=12 Exploring Operation: 36-35=1, Resulting Numbers: [24, 1] Generated Node #0,4,1: 25:[24, 1] Operation: 36-35=1 Exploring Operation: 35-24=11, Resulting Numbers: [36, 11] Generated Node #0,4,2: 25:[36, 11] Operation: 35-24=11 Exploring Operation: 36+24=60, Resulting Numbers: [35, 60] Generated Node #0,4,3: 25:[35, 60] Operation: 36+24=60 Exploring Operation: 35+24=59, Resulting Numbers: [36, 59] Generated Node #0,4,4: 25:[36, 59] Operation: 35+24=59 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[24, 1], Operations: ['80-56=24', '36-35=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[80, 56, 35, 36], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [35, 36, 24] Generated Node #0,4: 25:[35, 36, 24] Operation: 80-56=24 Moving to Node #0,4 Current State: 25:[35, 36, 24], Operations: ['80-56=24'] Exploring Operation: 36-35=1, Resulting Numbers: [24, 1] Generated Node #0,4,1: 25:[24, 1] Operation: 36-35=1 Moving to Node #0,4,1 Current State: 25:[24, 1], Operations: ['80-56=24', '36-35=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 60, 23, 59, 11 ]
64
[ "23-11=12", "60/12=5", "59+5=64" ]
Current State: 64:[60, 23, 59, 11], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [60, 59, 12] Generated Node #2: [60, 59, 12] from Operation: 23-11=12 Current State: 64:[60, 59, 12], Operations: ['23-11=12'] Exploring Operation: 60/12=5, Resulting Numbers: [59, 5] Generated Node #3: [59, 5] from Operation: 60/12=5 Current State: 64:[59, 5], Operations: ['23-11=12', '60/12=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[60, 23, 59, 11], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [60, 59, 12] Generated Node #0,0: 64:[60, 59, 12] Operation: 23-11=12 Exploring Operation: 59-23=36, Resulting Numbers: [60, 11, 36] Generated Node #0,1: 64:[60, 11, 36] Operation: 59-23=36 Exploring Operation: 60-23=37, Resulting Numbers: [59, 11, 37] Generated Node #0,2: 64:[59, 11, 37] Operation: 60-23=37 Exploring Operation: 23+11=34, Resulting Numbers: [60, 59, 34] Generated Node #0,3: 64:[60, 59, 34] Operation: 23+11=34 Exploring Operation: 60-59=1, Resulting Numbers: [23, 11, 1] Generated Node #0,4: 64:[23, 11, 1] Operation: 60-59=1 Moving to Node #0,1 Current State: 64:[60, 11, 36], Operations: ['59-23=36'] Exploring Operation: 36-11=25, Resulting Numbers: [60, 25] Generated Node #0,1,0: 64:[60, 25] Operation: 36-11=25 Exploring Operation: 11+36=47, Resulting Numbers: [60, 47] Generated Node #0,1,1: 64:[60, 47] Operation: 11+36=47 Exploring Operation: 60+11=71, Resulting Numbers: [36, 71] Generated Node #0,1,2: 64:[36, 71] Operation: 60+11=71 Exploring Operation: 60-36=24, Resulting Numbers: [11, 24] Generated Node #0,1,3: 64:[11, 24] Operation: 60-36=24 Exploring Operation: 60-11=49, Resulting Numbers: [36, 49] Generated Node #0,1,4: 64:[36, 49] Operation: 60-11=49 Moving to Node #0,4 Current State: 64:[23, 11, 1], Operations: ['60-59=1'] Exploring Operation: 23*1=23, Resulting Numbers: [11, 23] Generated Node #0,4,0: 64:[11, 23] Operation: 23*1=23 Exploring Operation: 23-1=22, Resulting Numbers: [11, 22] Generated Node #0,4,1: 64:[11, 22] Operation: 23-1=22 Exploring Operation: 23+11=34, Resulting Numbers: [1, 34] Generated Node #0,4,2: 64:[1, 34] Operation: 23+11=34 Exploring Operation: 23-11=12, Resulting Numbers: [1, 12] Generated Node #0,4,3: 64:[1, 12] Operation: 23-11=12 Exploring Operation: 11-1=10, Resulting Numbers: [23, 10] Generated Node #0,4,4: 64:[23, 10] Operation: 11-1=10 Moving to Node #0,3 Current State: 64:[60, 59, 34], Operations: ['23+11=34'] Exploring Operation: 59+34=93, Resulting Numbers: [60, 93] Generated Node #0,3,0: 64:[60, 93] Operation: 59+34=93 Exploring Operation: 60-34=26, Resulting Numbers: [59, 26] Generated Node #0,3,1: 64:[59, 26] Operation: 60-34=26 Exploring Operation: 59-34=25, Resulting Numbers: [60, 25] Generated Node #0,3,2: 64:[60, 25] Operation: 59-34=25 Exploring Operation: 60+34=94, Resulting Numbers: [59, 94] Generated Node #0,3,3: 64:[59, 94] Operation: 60+34=94 Exploring Operation: 60-59=1, Resulting Numbers: [34, 1] Generated Node #0,3,4: 64:[34, 1] Operation: 60-59=1 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 64:[34, 1], Operations: ['23+11=34', '60-59=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 64:[59, 26], Operations: ['23+11=34', '60-34=26'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,64 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 64:[60, 25], Operations: ['23+11=34', '59-34=25'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 60*25=1500, Resulting Numbers: [1500] 1500,64 unequal: No Solution Exploring Operation: 60+25=85, Resulting Numbers: [85] 85,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[60, 93], Operations: ['23+11=34', '59+34=93'] Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 60*93=5580, Resulting Numbers: [5580] 5580,64 unequal: No Solution Exploring Operation: 60+93=153, Resulting Numbers: [153] 153,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 64:[59, 94], Operations: ['23+11=34', '60+34=94'] Exploring Operation: 94-59=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 59*94=5546, Resulting Numbers: [5546] 5546,64 unequal: No Solution Exploring Operation: 59+94=153, Resulting Numbers: [153] 153,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 64:[60, 59, 12], Operations: ['23-11=12'] Exploring Operation: 60+12=72, Resulting Numbers: [59, 72] Generated Node #0,0,0: 64:[59, 72] Operation: 60+12=72 Exploring Operation: 60-59=1, Resulting Numbers: [12, 1] Generated Node #0,0,1: 64:[12, 1] Operation: 60-59=1 Exploring Operation: 59-12=47, Resulting Numbers: [60, 47] Generated Node #0,0,2: 64:[60, 47] Operation: 59-12=47 Exploring Operation: 60/12=5, Resulting Numbers: [59, 5] Generated Node #0,0,3: 64:[59, 5] Operation: 60/12=5 Exploring Operation: 59+12=71, Resulting Numbers: [60, 71] Generated Node #0,0,4: 64:[60, 71] Operation: 59+12=71 Moving to Node #0,2 Current State: 64:[59, 11, 37], Operations: ['60-23=37'] Exploring Operation: 37-11=26, Resulting Numbers: [59, 26] Generated Node #0,2,0: 64:[59, 26] Operation: 37-11=26 Exploring Operation: 59-11=48, Resulting Numbers: [37, 48] Generated Node #0,2,1: 64:[37, 48] Operation: 59-11=48 Exploring Operation: 11+37=48, Resulting Numbers: [59, 48] Generated Node #0,2,2: 64:[59, 48] Operation: 11+37=48 Exploring Operation: 59-37=22, Resulting Numbers: [11, 22] Generated Node #0,2,3: 64:[11, 22] Operation: 59-37=22 Exploring Operation: 59+11=70, Resulting Numbers: [37, 70] Generated Node #0,2,4: 64:[37, 70] Operation: 59+11=70 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[11, 22], Operations: ['60-23=37', '59-37=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[59, 26], Operations: ['60-23=37', '37-11=26'] Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,64 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 64:[37, 70], Operations: ['60-23=37', '59+11=70'] Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,64 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[37, 48], Operations: ['60-23=37', '59-11=48'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,64 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[59, 48], Operations: ['60-23=37', '11+37=48'] Exploring Operation: 59*48=2832, Resulting Numbers: [2832] 2832,64 unequal: No Solution Exploring Operation: 59-48=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 59+48=107, Resulting Numbers: [107] 107,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 64:[1, 34], Operations: ['60-59=1', '23+11=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[1, 12], Operations: ['60-59=1', '23-11=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[12, 1], Operations: ['23-11=12', '60-59=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[59, 5], Operations: ['23-11=12', '60/12=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,64 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[60, 23, 59, 11], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [60, 59, 12] Generated Node #0,0: 64:[60, 59, 12] Operation: 23-11=12 Moving to Node #0,0 Current State: 64:[60, 59, 12], Operations: ['23-11=12'] Exploring Operation: 60/12=5, Resulting Numbers: [59, 5] Generated Node #0,0,3: 64:[59, 5] Operation: 60/12=5 Moving to Node #0,0,3 Current State: 64:[59, 5], Operations: ['23-11=12', '60/12=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.929688
hs_5
mult_heuristic
[ 60, 37, 29, 76 ]
82
[ "60-37=23", "29+76=105", "105-23=82" ]
Current State: 82:[60, 37, 29, 76], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [29, 76, 23] Generated Node #2: [29, 76, 23] from Operation: 60-37=23 Current State: 82:[29, 76, 23], Operations: ['60-37=23'] Exploring Operation: 29+76=105, Resulting Numbers: [23, 105] Generated Node #3: [23, 105] from Operation: 29+76=105 Current State: 82:[23, 105], Operations: ['60-37=23', '29+76=105'] Exploring Operation: 105-23=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[60, 37, 29, 76], Operations: [] Exploring Operation: 76-29=47, Resulting Numbers: [60, 37, 47] Generated Node #0,0: 82:[60, 37, 47] Operation: 76-29=47 Exploring Operation: 60-29=31, Resulting Numbers: [37, 76, 31] Generated Node #0,1: 82:[37, 76, 31] Operation: 60-29=31 Exploring Operation: 60+29=89, Resulting Numbers: [37, 76, 89] Generated Node #0,2: 82:[37, 76, 89] Operation: 60+29=89 Exploring Operation: 76-60=16, Resulting Numbers: [37, 29, 16] Generated Node #0,3: 82:[37, 29, 16] Operation: 76-60=16 Exploring Operation: 37-29=8, Resulting Numbers: [60, 76, 8] Generated Node #0,4: 82:[60, 76, 8] Operation: 37-29=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[37, 76, 89], Operations: ['60+29=89'] Exploring Operation: 37+76=113, Resulting Numbers: [89, 113] Generated Node #0,2,0: 82:[89, 113] Operation: 37+76=113 Exploring Operation: 76-37=39, Resulting Numbers: [89, 39] Generated Node #0,2,1: 82:[89, 39] Operation: 76-37=39 Exploring Operation: 37+89=126, Resulting Numbers: [76, 126] Generated Node #0,2,2: 82:[76, 126] Operation: 37+89=126 Exploring Operation: 89-76=13, Resulting Numbers: [37, 13] Generated Node #0,2,3: 82:[37, 13] Operation: 89-76=13 Exploring Operation: 89-37=52, Resulting Numbers: [76, 52] Generated Node #0,2,4: 82:[76, 52] Operation: 89-37=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[89, 39], Operations: ['60+29=89', '76-37=39'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 89+39=128, Resulting Numbers: [128] 128,82 unequal: No Solution Exploring Operation: 89*39=3471, Resulting Numbers: [3471] 3471,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[37, 13], Operations: ['60+29=89', '89-76=13'] Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 82:[76, 52], Operations: ['60+29=89', '89-37=52'] Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 76*52=3952, Resulting Numbers: [3952] 3952,82 unequal: No Solution Exploring Operation: 76+52=128, Resulting Numbers: [128] 128,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[89, 113], Operations: ['60+29=89', '37+76=113'] Exploring Operation: 113-89=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 89*113=10057, Resulting Numbers: [10057] 10057,82 unequal: No Solution Exploring Operation: 89+113=202, Resulting Numbers: [202] 202,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[76, 126], Operations: ['60+29=89', '37+89=126'] Exploring Operation: 76+126=202, Resulting Numbers: [202] 202,82 unequal: No Solution Exploring Operation: 76*126=9576, Resulting Numbers: [9576] 9576,82 unequal: No Solution Exploring Operation: 126-76=50, Resulting Numbers: [50] 50,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[37, 76, 31], Operations: ['60-29=31'] Exploring Operation: 37+31=68, Resulting Numbers: [76, 68] Generated Node #0,1,0: 82:[76, 68] Operation: 37+31=68 Exploring Operation: 76-31=45, Resulting Numbers: [37, 45] Generated Node #0,1,1: 82:[37, 45] Operation: 76-31=45 Exploring Operation: 76+31=107, Resulting Numbers: [37, 107] Generated Node #0,1,2: 82:[37, 107] Operation: 76+31=107 Exploring Operation: 76-37=39, Resulting Numbers: [31, 39] Generated Node #0,1,3: 82:[31, 39] Operation: 76-37=39 Exploring Operation: 37-31=6, Resulting Numbers: [76, 6] Generated Node #0,1,4: 82:[76, 6] Operation: 37-31=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[37, 45], Operations: ['60-29=31', '76-31=45'] Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[60, 37, 29, 76], Operations: [] Exploring Operation: 60-29=31, Resulting Numbers: [37, 76, 31] Generated Node #0,1: 82:[37, 76, 31] Operation: 60-29=31 Moving to Node #0,1 Current State: 82:[37, 76, 31], Operations: ['60-29=31'] Exploring Operation: 76-31=45, Resulting Numbers: [37, 45] Generated Node #0,1,1: 82:[37, 45] Operation: 76-31=45 Moving to Node #0,1,1 Current State: 82:[37, 45], Operations: ['60-29=31', '76-31=45'] Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic