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
[ 36, 51, 80, 5 ]
60
[ "51-36=15", "80-5=75", "75-15=60" ]
Current State: 60:[36, 51, 80, 5], Operations: [] Exploring Operation: 51-36=15, Resulting Numbers: [80, 5, 15] Generated Node #2: [80, 5, 15] from Operation: 51-36=15 Current State: 60:[80, 5, 15], Operations: ['51-36=15'] Exploring Operation: 80-5=75, Resulting Numbers: [15, 75] Generated Node #3: [15, 75] from Operation: 80-5=75 Current State: 60:[15, 75], Operations: ['51-36=15', '80-5=75'] Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[36, 51, 80, 5], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [51, 5, 44] Generated Node #0,0: 60:[51, 5, 44] Operation: 80-36=44 Exploring Operation: 51-36=15, Resulting Numbers: [80, 5, 15] Generated Node #0,1: 60:[80, 5, 15] Operation: 51-36=15 Exploring Operation: 80/5=16, Resulting Numbers: [36, 51, 16] Generated Node #0,2: 60:[36, 51, 16] Operation: 80/5=16 Exploring Operation: 80-51=29, Resulting Numbers: [36, 5, 29] Generated Node #0,3: 60:[36, 5, 29] Operation: 80-51=29 Moving to Node #0,3 Current State: 60:[36, 5, 29], Operations: ['80-51=29'] Exploring Operation: 5+29=34, Resulting Numbers: [36, 34] Generated Node #0,3,0: 60:[36, 34] Operation: 5+29=34 Exploring Operation: 36-5=31, Resulting Numbers: [29, 31] Generated Node #0,3,1: 60:[29, 31] Operation: 36-5=31 Exploring Operation: 36+29=65, Resulting Numbers: [5, 65] Generated Node #0,3,2: 60:[5, 65] Operation: 36+29=65 Exploring Operation: 36-29=7, Resulting Numbers: [5, 7] Generated Node #0,3,3: 60:[5, 7] Operation: 36-29=7 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[5, 7], Operations: ['80-51=29', '36-29=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,60 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 #0,3,1 Current State: 60:[29, 31], Operations: ['80-51=29', '36-5=31'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,60 unequal: No Solution Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[36, 51, 80, 5], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [36, 5, 29] Generated Node #0,3: 60:[36, 5, 29] Operation: 80-51=29 Moving to Node #0,3 Current State: 60:[36, 5, 29], Operations: ['80-51=29'] Exploring Operation: 36-5=31, Resulting Numbers: [29, 31] Generated Node #0,3,1: 60:[29, 31] Operation: 36-5=31 Moving to Node #0,3,1 Current State: 60:[29, 31], Operations: ['80-51=29', '36-5=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 31, 35, 20, 37 ]
68
[ "35-31=4", "37-20=17", "4*17=68" ]
Current State: 68:[31, 35, 20, 37], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [20, 37, 4] Generated Node #2: [20, 37, 4] from Operation: 35-31=4 Current State: 68:[20, 37, 4], Operations: ['35-31=4'] Exploring Operation: 37-20=17, Resulting Numbers: [4, 17] Generated Node #3: [4, 17] from Operation: 37-20=17 Current State: 68:[4, 17], Operations: ['35-31=4', '37-20=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[31, 35, 20, 37], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [20, 37, 4] Generated Node #0,0: 68:[20, 37, 4] Operation: 35-31=4 Exploring Operation: 37-20=17, Resulting Numbers: [31, 35, 17] Generated Node #0,1: 68:[31, 35, 17] Operation: 37-20=17 Exploring Operation: 31+37=68, Resulting Numbers: [35, 20, 68] Generated Node #0,2: 68:[35, 20, 68] Operation: 31+37=68 Exploring Operation: 37-35=2, Resulting Numbers: [31, 20, 2] Generated Node #0,3: 68:[31, 20, 2] Operation: 37-35=2 Exploring Operation: 37-31=6, Resulting Numbers: [35, 20, 6] Generated Node #0,4: 68:[35, 20, 6] Operation: 37-31=6 Moving to Node #0,1 Current State: 68:[31, 35, 17], Operations: ['37-20=17'] Exploring Operation: 31+35=66, Resulting Numbers: [17, 66] Generated Node #0,1,0: 68:[17, 66] Operation: 31+35=66 Exploring Operation: 31+17=48, Resulting Numbers: [35, 48] Generated Node #0,1,1: 68:[35, 48] Operation: 31+17=48 Exploring Operation: 31-17=14, Resulting Numbers: [35, 14] Generated Node #0,1,2: 68:[35, 14] Operation: 31-17=14 Exploring Operation: 35-17=18, Resulting Numbers: [31, 18] Generated Node #0,1,3: 68:[31, 18] Operation: 35-17=18 Exploring Operation: 35-31=4, Resulting Numbers: [17, 4] Generated Node #0,1,4: 68:[17, 4] Operation: 35-31=4 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 68:[17, 4], Operations: ['37-20=17', '35-31=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[31, 35, 20, 37], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [31, 35, 17] Generated Node #0,1: 68:[31, 35, 17] Operation: 37-20=17 Moving to Node #0,1 Current State: 68:[31, 35, 17], Operations: ['37-20=17'] Exploring Operation: 35-31=4, Resulting Numbers: [17, 4] Generated Node #0,1,4: 68:[17, 4] Operation: 35-31=4 Moving to Node #0,1,4 Current State: 68:[17, 4], Operations: ['37-20=17', '35-31=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 11, 79, 76, 6 ]
15
[ "11-6=5", "79-76=3", "5*3=15" ]
Current State: 15:[11, 79, 76, 6], Operations: [] Exploring Operation: 11-6=5, Resulting Numbers: [79, 76, 5] Generated Node #2: [79, 76, 5] from Operation: 11-6=5 Current State: 15:[79, 76, 5], Operations: ['11-6=5'] Exploring Operation: 79-76=3, Resulting Numbers: [5, 3] Generated Node #3: [5, 3] from Operation: 79-76=3 Current State: 15:[5, 3], Operations: ['11-6=5', '79-76=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[11, 79, 76, 6], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [11, 6, 3] Generated Node #0,0: 15:[11, 6, 3] Operation: 79-76=3 Exploring Operation: 79-11=68, Resulting Numbers: [76, 6, 68] Generated Node #0,1: 15:[76, 6, 68] Operation: 79-11=68 Moving to Node #0,0 Current State: 15:[11, 6, 3], Operations: ['79-76=3'] Exploring Operation: 11+6=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 15:[3, 17] Operation: 11+6=17 Exploring Operation: 11-6=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 15:[3, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[3, 5], Operations: ['79-76=3', '11-6=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[11, 79, 76, 6], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [11, 6, 3] Generated Node #0,0: 15:[11, 6, 3] Operation: 79-76=3 Moving to Node #0,0 Current State: 15:[11, 6, 3], Operations: ['79-76=3'] Exploring Operation: 11-6=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 15:[3, 5] Operation: 11-6=5 Moving to Node #0,0,1 Current State: 15:[3, 5], Operations: ['79-76=3', '11-6=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 4, 22, 5, 10 ]
38
[ "4*22=88", "5*10=50", "88-50=38" ]
Current State: 38:[4, 22, 5, 10], Operations: [] Exploring Operation: 4*22=88, Resulting Numbers: [5, 10, 88] Generated Node #2: [5, 10, 88] from Operation: 4*22=88 Current State: 38:[5, 10, 88], Operations: ['4*22=88'] Exploring Operation: 5*10=50, Resulting Numbers: [88, 50] Generated Node #3: [88, 50] from Operation: 5*10=50 Current State: 38:[88, 50], Operations: ['4*22=88', '5*10=50'] Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[4, 22, 5, 10], Operations: [] Exploring Operation: 10/5=2, Resulting Numbers: [4, 22, 2] Generated Node #0,0: 38:[4, 22, 2] Operation: 10/5=2 Moving to Node #0,0 Current State: 38:[4, 22, 2], Operations: ['10/5=2'] Exploring Operation: 22-4=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 38:[2, 18] Operation: 22-4=18 Moving to Node #0,0,0 Current State: 38:[2, 18], Operations: ['10/5=2', '22-4=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,38 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 66, 11, 17, 50 ]
27
[ "66/11=6", "50-17=33", "33-6=27" ]
Current State: 27:[66, 11, 17, 50], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [17, 50, 6] Generated Node #2: [17, 50, 6] from Operation: 66/11=6 Current State: 27:[17, 50, 6], Operations: ['66/11=6'] Exploring Operation: 50-17=33, Resulting Numbers: [6, 33] Generated Node #3: [6, 33] from Operation: 50-17=33 Current State: 27:[6, 33], Operations: ['66/11=6', '50-17=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[66, 11, 17, 50], Operations: [] Exploring Operation: 66-50=16, Resulting Numbers: [11, 17, 16] Generated Node #0,0: 27:[11, 17, 16] Operation: 66-50=16 Exploring Operation: 66/11=6, Resulting Numbers: [17, 50, 6] Generated Node #0,1: 27:[17, 50, 6] Operation: 66/11=6 Exploring Operation: 66-17=49, Resulting Numbers: [11, 50, 49] Generated Node #0,2: 27:[11, 50, 49] Operation: 66-17=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[11, 17, 16], Operations: ['66-50=16'] Exploring Operation: 11+16=27, Resulting Numbers: [17, 27] Generated Node #0,0,0: 27:[17, 27] Operation: 11+16=27 Exploring Operation: 11+17=28, Resulting Numbers: [16, 28] Generated Node #0,0,1: 27:[16, 28] Operation: 11+17=28 Exploring Operation: 17-16=1, Resulting Numbers: [11, 1] Generated Node #0,0,2: 27:[11, 1] Operation: 17-16=1 Moving to Node #0,0,2 Current State: 27:[11, 1], Operations: ['66-50=16', '17-16=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[17, 27], Operations: ['66-50=16', '11+16=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[16, 28], Operations: ['66-50=16', '11+17=28'] Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,27 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,27 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 #0,1 Current State: 27:[17, 50, 6], Operations: ['66/11=6'] Exploring Operation: 50-17=33, Resulting Numbers: [6, 33] Generated Node #0,1,0: 27:[6, 33] Operation: 50-17=33 Exploring Operation: 50-6=44, Resulting Numbers: [17, 44] Generated Node #0,1,1: 27:[17, 44] Operation: 50-6=44 Exploring Operation: 17-6=11, Resulting Numbers: [50, 11] Generated Node #0,1,2: 27:[50, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[6, 33], Operations: ['66/11=6', '50-17=33'] Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,27 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[66, 11, 17, 50], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [17, 50, 6] Generated Node #0,1: 27:[17, 50, 6] Operation: 66/11=6 Moving to Node #0,1 Current State: 27:[17, 50, 6], Operations: ['66/11=6'] Exploring Operation: 50-17=33, Resulting Numbers: [6, 33] Generated Node #0,1,0: 27:[6, 33] Operation: 50-17=33 Moving to Node #0,1,0 Current State: 27:[6, 33], Operations: ['66/11=6', '50-17=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 90, 30, 22, 23 ]
64
[ "30-23=7", "22*7=154", "154-90=64" ]
Current State: 64:[90, 30, 22, 23], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [90, 22, 7] Generated Node #2: [90, 22, 7] from Operation: 30-23=7 Current State: 64:[90, 22, 7], Operations: ['30-23=7'] Exploring Operation: 22*7=154, Resulting Numbers: [90, 154] Generated Node #3: [90, 154] from Operation: 22*7=154 Current State: 64:[90, 154], Operations: ['30-23=7', '22*7=154'] Exploring Operation: 154-90=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[90, 30, 22, 23], Operations: [] Exploring Operation: 90-23=67, Resulting Numbers: [30, 22, 67] Generated Node #0,0: 64:[30, 22, 67] Operation: 90-23=67 Exploring Operation: 90/30=3, Resulting Numbers: [22, 23, 3] Generated Node #0,1: 64:[22, 23, 3] Operation: 90/30=3 Exploring Operation: 90-22=68, Resulting Numbers: [30, 23, 68] Generated Node #0,2: 64:[30, 23, 68] Operation: 90-22=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[30, 22, 67], Operations: ['90-23=67'] Exploring Operation: 30+22=52, Resulting Numbers: [67, 52] Generated Node #0,0,0: 64:[67, 52] Operation: 30+22=52 Exploring Operation: 30-22=8, Resulting Numbers: [67, 8] Generated Node #0,0,1: 64:[67, 8] Operation: 30-22=8 Exploring Operation: 67-30=37, Resulting Numbers: [22, 37] Generated Node #0,0,2: 64:[22, 37] Operation: 67-30=37 Moving to Node #0,0,1 Current State: 64:[67, 8], Operations: ['90-23=67', '30-22=8'] Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,64 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[22, 37], Operations: ['90-23=67', '67-30=37'] Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,64 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[67, 52], Operations: ['90-23=67', '30+22=52'] Exploring Operation: 67+52=119, Resulting Numbers: [119] 119,64 unequal: No Solution Exploring Operation: 67*52=3484, Resulting Numbers: [3484] 3484,64 unequal: No Solution Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,64 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:[30, 23, 68], Operations: ['90-22=68'] Exploring Operation: 68-30=38, Resulting Numbers: [23, 38] Generated Node #0,2,0: 64:[23, 38] Operation: 68-30=38 Exploring Operation: 30-23=7, Resulting Numbers: [68, 7] Generated Node #0,2,1: 64:[68, 7] Operation: 30-23=7 Exploring Operation: 30+23=53, Resulting Numbers: [68, 53] Generated Node #0,2,2: 64:[68, 53] Operation: 30+23=53 Moving to Node #0,2,1 Current State: 64:[68, 7], Operations: ['90-22=68', '30-23=7'] Exploring Operation: 68*7=476, Resulting Numbers: [476] 476,64 unequal: No Solution Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 68+7=75, Resulting Numbers: [75] 75,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[23, 38], Operations: ['90-22=68', '68-30=38'] Exploring Operation: 23+38=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 23*38=874, Resulting Numbers: [874] 874,64 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[68, 53], Operations: ['90-22=68', '30+23=53'] Exploring Operation: 68*53=3604, Resulting Numbers: [3604] 3604,64 unequal: No Solution Exploring Operation: 68+53=121, Resulting Numbers: [121] 121,64 unequal: No Solution Exploring Operation: 68-53=15, Resulting Numbers: [15] 15,64 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:[22, 23, 3], Operations: ['90/30=3'] Exploring Operation: 22-3=19, Resulting Numbers: [23, 19] Generated Node #0,1,0: 64:[23, 19] Operation: 22-3=19 Exploring Operation: 22*3=66, Resulting Numbers: [23, 66] Generated Node #0,1,1: 64:[23, 66] Operation: 22*3=66 Exploring Operation: 23-22=1, Resulting Numbers: [3, 1] Generated Node #0,1,2: 64:[3, 1] Operation: 23-22=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 64:[3, 1], Operations: ['90/30=3', '23-22=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,64 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:[23, 66], Operations: ['90/30=3', '22*3=66'] Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 23*66=1518, Resulting Numbers: [1518] 1518,64 unequal: No Solution Exploring Operation: 23+66=89, Resulting Numbers: [89] 89,64 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:[23, 19], Operations: ['90/30=3', '22-3=19'] Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,64 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,64 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_3
sum_heuristic
[ 6, 48, 35, 43 ]
13
[ "48-43=5", "35/5=7", "6+7=13" ]
Current State: 13:[6, 48, 35, 43], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [6, 35, 5] Generated Node #2: [6, 35, 5] from Operation: 48-43=5 Current State: 13:[6, 35, 5], Operations: ['48-43=5'] Exploring Operation: 35/5=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 35/5=7 Current State: 13:[6, 7], Operations: ['48-43=5', '35/5=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 48, 35, 43], Operations: [] Exploring Operation: 48-35=13, Resulting Numbers: [6, 43, 13] Generated Node #0,0: 13:[6, 43, 13] Operation: 48-35=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[6, 43, 13], Operations: ['48-35=13'] Exploring Operation: 43-6=37, Resulting Numbers: [13, 37] Generated Node #0,0,0: 13:[13, 37] Operation: 43-6=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[13, 37], Operations: ['48-35=13', '43-6=37'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,13 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_1
mult_heuristic
[ 38, 36, 79, 42 ]
74
[ "38-36=2", "79-42=37", "2*37=74" ]
Current State: 74:[38, 36, 79, 42], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [79, 42, 2] Generated Node #2: [79, 42, 2] from Operation: 38-36=2 Current State: 74:[79, 42, 2], Operations: ['38-36=2'] Exploring Operation: 79-42=37, Resulting Numbers: [2, 37] Generated Node #3: [2, 37] from Operation: 79-42=37 Current State: 74:[2, 37], Operations: ['38-36=2', '79-42=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[38, 36, 79, 42], Operations: [] Exploring Operation: 79-42=37, Resulting Numbers: [38, 36, 37] Generated Node #0,0: 74:[38, 36, 37] Operation: 79-42=37 Moving to Node #0,0 Current State: 74:[38, 36, 37], Operations: ['79-42=37'] Exploring Operation: 38+36=74, Resulting Numbers: [37, 74] Generated Node #0,0,0: 74:[37, 74] Operation: 38+36=74 Moving to Node #0,0,0 Current State: 74:[37, 74], Operations: ['79-42=37', '38+36=74'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,74 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 63, 91, 98 ]
13
[ "69-63=6", "98-91=7", "6+7=13" ]
Current State: 13:[69, 63, 91, 98], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [91, 98, 6] Generated Node #2: [91, 98, 6] from Operation: 69-63=6 Current State: 13:[91, 98, 6], Operations: ['69-63=6'] Exploring Operation: 98-91=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 98-91=7 Current State: 13:[6, 7], Operations: ['69-63=6', '98-91=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[69, 63, 91, 98], Operations: [] Exploring Operation: 91-69=22, Resulting Numbers: [63, 98, 22] Generated Node #0,0: 13:[63, 98, 22] Operation: 91-69=22 Exploring Operation: 91-63=28, Resulting Numbers: [69, 98, 28] Generated Node #0,1: 13:[69, 98, 28] Operation: 91-63=28 Exploring Operation: 98-69=29, Resulting Numbers: [63, 91, 29] Generated Node #0,2: 13:[63, 91, 29] Operation: 98-69=29 Exploring Operation: 98-91=7, Resulting Numbers: [69, 63, 7] Generated Node #0,3: 13:[69, 63, 7] Operation: 98-91=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[69, 63, 7], Operations: ['98-91=7'] Exploring Operation: 63/7=9, Resulting Numbers: [69, 9] Generated Node #0,3,0: 13:[69, 9] Operation: 63/7=9 Exploring Operation: 69-7=62, Resulting Numbers: [63, 62] Generated Node #0,3,1: 13:[63, 62] Operation: 69-7=62 Exploring Operation: 63-7=56, Resulting Numbers: [69, 56] Generated Node #0,3,2: 13:[69, 56] Operation: 63-7=56 Exploring Operation: 69-63=6, Resulting Numbers: [7, 6] Generated Node #0,3,3: 13:[7, 6] Operation: 69-63=6 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 13:[7, 6], Operations: ['98-91=7', '69-63=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[69, 63, 91, 98], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [69, 63, 7] Generated Node #0,3: 13:[69, 63, 7] Operation: 98-91=7 Moving to Node #0,3 Current State: 13:[69, 63, 7], Operations: ['98-91=7'] Exploring Operation: 69-63=6, Resulting Numbers: [7, 6] Generated Node #0,3,3: 13:[7, 6] Operation: 69-63=6 Moving to Node #0,3,3 Current State: 13:[7, 6], Operations: ['98-91=7', '69-63=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 67, 2, 59, 50 ]
88
[ "67+59=126", "50+126=176", "176/2=88" ]
Current State: 88:[67, 2, 59, 50], Operations: [] Exploring Operation: 67+59=126, Resulting Numbers: [2, 50, 126] Generated Node #2: [2, 50, 126] from Operation: 67+59=126 Current State: 88:[2, 50, 126], Operations: ['67+59=126'] Exploring Operation: 50+126=176, Resulting Numbers: [2, 176] Generated Node #3: [2, 176] from Operation: 50+126=176 Current State: 88:[2, 176], Operations: ['67+59=126', '50+126=176'] Exploring Operation: 176/2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[67, 2, 59, 50], Operations: [] Exploring Operation: 67-50=17, Resulting Numbers: [2, 59, 17] Generated Node #0,0: 88:[2, 59, 17] Operation: 67-50=17 Exploring Operation: 59-50=9, Resulting Numbers: [67, 2, 9] Generated Node #0,1: 88:[67, 2, 9] Operation: 59-50=9 Exploring Operation: 67-59=8, Resulting Numbers: [2, 50, 8] Generated Node #0,2: 88:[2, 50, 8] Operation: 67-59=8 Moving to Node #0,2 Current State: 88:[2, 50, 8], Operations: ['67-59=8'] Exploring Operation: 50-8=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 88:[2, 42] Operation: 50-8=42 Exploring Operation: 50/2=25, Resulting Numbers: [8, 25] Generated Node #0,2,1: 88:[8, 25] Operation: 50/2=25 Exploring Operation: 50-2=48, Resulting Numbers: [8, 48] Generated Node #0,2,2: 88:[8, 48] Operation: 50-2=48 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[2, 42], Operations: ['67-59=8', '50-8=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,88 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,88 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: 88:[8, 25], Operations: ['67-59=8', '50/2=25'] Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,88 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: 88:[8, 48], Operations: ['67-59=8', '50-2=48'] Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,88 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: 88:[2, 59, 17], Operations: ['67-50=17'] Exploring Operation: 59+17=76, Resulting Numbers: [2, 76] Generated Node #0,0,0: 88:[2, 76] Operation: 59+17=76 Exploring Operation: 59-17=42, Resulting Numbers: [2, 42] Generated Node #0,0,1: 88:[2, 42] Operation: 59-17=42 Exploring Operation: 59-2=57, Resulting Numbers: [17, 57] Generated Node #0,0,2: 88:[17, 57] Operation: 59-2=57 Moving to Node #0,1 Current State: 88:[67, 2, 9], Operations: ['59-50=9'] Exploring Operation: 67+2=69, Resulting Numbers: [9, 69] Generated Node #0,1,0: 88:[9, 69] Operation: 67+2=69 Exploring Operation: 67-9=58, Resulting Numbers: [2, 58] Generated Node #0,1,1: 88:[2, 58] Operation: 67-9=58 Exploring Operation: 67+9=76, Resulting Numbers: [2, 76] Generated Node #0,1,2: 88:[2, 76] Operation: 67+9=76 Moving to Node #0,0,1 Current State: 88:[2, 42], Operations: ['67-50=17', '59-17=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[2, 76], Operations: ['67-50=17', '59+17=76'] Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,88 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[2, 76], Operations: ['59-50=9', '67+9=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,88 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[2, 58], Operations: ['59-50=9', '67-9=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,88 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[17, 57], Operations: ['67-50=17', '59-2=57'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 17+57=74, Resulting Numbers: [74] 74,88 unequal: No Solution Exploring Operation: 17*57=969, Resulting Numbers: [969] 969,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[9, 69], Operations: ['59-50=9', '67+2=69'] Exploring Operation: 9*69=621, Resulting Numbers: [621] 621,88 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 9+69=78, Resulting Numbers: [78] 78,88 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 98, 7, 10, 39 ]
62
[ "98-7=91", "39-10=29", "91-29=62" ]
Current State: 62:[98, 7, 10, 39], Operations: [] Exploring Operation: 98-7=91, Resulting Numbers: [10, 39, 91] Generated Node #2: [10, 39, 91] from Operation: 98-7=91 Current State: 62:[10, 39, 91], Operations: ['98-7=91'] Exploring Operation: 39-10=29, Resulting Numbers: [91, 29] Generated Node #3: [91, 29] from Operation: 39-10=29 Current State: 62:[91, 29], Operations: ['98-7=91', '39-10=29'] Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[98, 7, 10, 39], Operations: [] Exploring Operation: 98-39=59, Resulting Numbers: [7, 10, 59] Generated Node #0,0: 62:[7, 10, 59] Operation: 98-39=59 Exploring Operation: 98/7=14, Resulting Numbers: [10, 39, 14] Generated Node #0,1: 62:[10, 39, 14] Operation: 98/7=14 Moving to Node #0,0 Current State: 62:[7, 10, 59], Operations: ['98-39=59'] Exploring Operation: 7*10=70, Resulting Numbers: [59, 70] Generated Node #0,0,0: 62:[59, 70] Operation: 7*10=70 Exploring Operation: 10-7=3, Resulting Numbers: [59, 3] Generated Node #0,0,1: 62:[59, 3] Operation: 10-7=3 Moving to Node #0,1 Current State: 62:[10, 39, 14], Operations: ['98/7=14'] Exploring Operation: 14-10=4, Resulting Numbers: [39, 4] Generated Node #0,1,0: 62:[39, 4] Operation: 14-10=4 Exploring Operation: 39-10=29, Resulting Numbers: [14, 29] Generated Node #0,1,1: 62:[14, 29] Operation: 39-10=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[39, 4], Operations: ['98/7=14', '14-10=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,62 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: 62:[14, 29], Operations: ['98/7=14', '39-10=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 62:[59, 3], Operations: ['98-39=59', '10-7=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[98, 7, 10, 39], Operations: [] Exploring Operation: 98-39=59, Resulting Numbers: [7, 10, 59] Generated Node #0,0: 62:[7, 10, 59] Operation: 98-39=59 Moving to Node #0,0 Current State: 62:[7, 10, 59], Operations: ['98-39=59'] Exploring Operation: 10-7=3, Resulting Numbers: [59, 3] Generated Node #0,0,1: 62:[59, 3] Operation: 10-7=3 Moving to Node #0,0,1 Current State: 62:[59, 3], Operations: ['98-39=59', '10-7=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 47, 3, 50, 81 ]
10
[ "47*3=141", "50+81=131", "141-131=10" ]
Current State: 10:[47, 3, 50, 81], Operations: [] Exploring Operation: 47*3=141, Resulting Numbers: [50, 81, 141] Generated Node #2: [50, 81, 141] from Operation: 47*3=141 Current State: 10:[50, 81, 141], Operations: ['47*3=141'] Exploring Operation: 50+81=131, Resulting Numbers: [141, 131] Generated Node #3: [141, 131] from Operation: 50+81=131 Current State: 10:[141, 131], Operations: ['47*3=141', '50+81=131'] Exploring Operation: 141-131=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[47, 3, 50, 81], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [47, 3, 31] Generated Node #0,0: 10:[47, 3, 31] Operation: 81-50=31 Moving to Node #0,0 Current State: 10:[47, 3, 31], Operations: ['81-50=31'] Exploring Operation: 47-31=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 10:[3, 16] Operation: 47-31=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[3, 16], Operations: ['81-50=31', '47-31=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,10 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
[ 7, 27, 61, 56 ]
62
[ "61-56=5", "7*5=35", "27+35=62" ]
Current State: 62:[7, 27, 61, 56], Operations: [] Exploring Operation: 61-56=5, Resulting Numbers: [7, 27, 5] Generated Node #2: [7, 27, 5] from Operation: 61-56=5 Current State: 62:[7, 27, 5], Operations: ['61-56=5'] Exploring Operation: 7*5=35, Resulting Numbers: [27, 35] Generated Node #3: [27, 35] from Operation: 7*5=35 Current State: 62:[27, 35], Operations: ['61-56=5', '7*5=35'] Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[7, 27, 61, 56], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [7, 61, 29] Generated Node #0,0: 62:[7, 61, 29] Operation: 56-27=29 Exploring Operation: 7+56=63, Resulting Numbers: [27, 61, 63] Generated Node #0,1: 62:[27, 61, 63] Operation: 7+56=63 Moving to Node #0,1 Current State: 62:[27, 61, 63], Operations: ['7+56=63'] Exploring Operation: 61-27=34, Resulting Numbers: [63, 34] Generated Node #0,1,0: 62:[63, 34] Operation: 61-27=34 Exploring Operation: 63-61=2, Resulting Numbers: [27, 2] Generated Node #0,1,1: 62:[27, 2] Operation: 63-61=2 Moving to Node #0,0 Current State: 62:[7, 61, 29], Operations: ['56-27=29'] Exploring Operation: 7+29=36, Resulting Numbers: [61, 36] Generated Node #0,0,0: 62:[61, 36] Operation: 7+29=36 Exploring Operation: 61-29=32, Resulting Numbers: [7, 32] Generated Node #0,0,1: 62:[7, 32] Operation: 61-29=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[61, 36], Operations: ['56-27=29', '7+29=36'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,62 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: 62:[7, 32], Operations: ['56-27=29', '61-29=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 62:[63, 34], Operations: ['7+56=63', '61-27=34'] Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 63+34=97, Resulting Numbers: [97] 97,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[27, 2], Operations: ['7+56=63', '63-61=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 72, 8, 81, 15 ]
57
[ "72/8=9", "81-15=66", "66-9=57" ]
Current State: 57:[72, 8, 81, 15], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [81, 15, 9] Generated Node #2: [81, 15, 9] from Operation: 72/8=9 Current State: 57:[81, 15, 9], Operations: ['72/8=9'] Exploring Operation: 81-15=66, Resulting Numbers: [9, 66] Generated Node #3: [9, 66] from Operation: 81-15=66 Current State: 57:[9, 66], Operations: ['72/8=9', '81-15=66'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[72, 8, 81, 15], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [8, 15, 9] Generated Node #0,0: 57:[8, 15, 9] Operation: 81-72=9 Exploring Operation: 81-15=66, Resulting Numbers: [72, 8, 66] Generated Node #0,1: 57:[72, 8, 66] Operation: 81-15=66 Exploring Operation: 72/8=9, Resulting Numbers: [81, 15, 9] Generated Node #0,2: 57:[81, 15, 9] Operation: 72/8=9 Exploring Operation: 72-15=57, Resulting Numbers: [8, 81, 57] Generated Node #0,3: 57:[8, 81, 57] Operation: 72-15=57 Moving to Node #0,0 Current State: 57:[8, 15, 9], Operations: ['81-72=9'] Exploring Operation: 9-8=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 57:[15, 1] Operation: 9-8=1 Exploring Operation: 15-9=6, Resulting Numbers: [8, 6] Generated Node #0,0,1: 57:[8, 6] Operation: 15-9=6 Exploring Operation: 8+15=23, Resulting Numbers: [9, 23] Generated Node #0,0,2: 57:[9, 23] Operation: 8+15=23 Exploring Operation: 8+9=17, Resulting Numbers: [15, 17] Generated Node #0,0,3: 57:[15, 17] Operation: 8+9=17 Moving to Node #0,3 Current State: 57:[8, 81, 57], Operations: ['72-15=57'] Exploring Operation: 8+57=65, Resulting Numbers: [81, 65] Generated Node #0,3,0: 57:[81, 65] Operation: 8+57=65 Exploring Operation: 8+81=89, Resulting Numbers: [57, 89] Generated Node #0,3,1: 57:[57, 89] Operation: 8+81=89 Exploring Operation: 81-8=73, Resulting Numbers: [57, 73] Generated Node #0,3,2: 57:[57, 73] Operation: 81-8=73 Exploring Operation: 81-57=24, Resulting Numbers: [8, 24] Generated Node #0,3,3: 57:[8, 24] Operation: 81-57=24 Moving to Node #0,1 Current State: 57:[72, 8, 66], Operations: ['81-15=66'] Exploring Operation: 72-66=6, Resulting Numbers: [8, 6] Generated Node #0,1,0: 57:[8, 6] Operation: 72-66=6 Exploring Operation: 72/8=9, Resulting Numbers: [66, 9] Generated Node #0,1,1: 57:[66, 9] Operation: 72/8=9 Exploring Operation: 66-8=58, Resulting Numbers: [72, 58] Generated Node #0,1,2: 57:[72, 58] Operation: 66-8=58 Exploring Operation: 72-8=64, Resulting Numbers: [66, 64] Generated Node #0,1,3: 57:[66, 64] Operation: 72-8=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[8, 6], Operations: ['81-15=66', '72-66=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,57 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: 57:[66, 9], Operations: ['81-15=66', '72/8=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 66*9=594, Resulting Numbers: [594] 594,57 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[72, 8, 81, 15], Operations: [] Exploring Operation: 81-15=66, Resulting Numbers: [72, 8, 66] Generated Node #0,1: 57:[72, 8, 66] Operation: 81-15=66 Moving to Node #0,1 Current State: 57:[72, 8, 66], Operations: ['81-15=66'] Exploring Operation: 72/8=9, Resulting Numbers: [66, 9] Generated Node #0,1,1: 57:[66, 9] Operation: 72/8=9 Moving to Node #0,1,1 Current State: 57:[66, 9], Operations: ['81-15=66', '72/8=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
sum_heuristic
[ 8, 18, 88, 10 ]
97
[ "10-8=2", "18/2=9", "88+9=97" ]
Current State: 97:[8, 18, 88, 10], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [18, 88, 2] Generated Node #2: [18, 88, 2] from Operation: 10-8=2 Current State: 97:[18, 88, 2], Operations: ['10-8=2'] Exploring Operation: 18/2=9, Resulting Numbers: [88, 9] Generated Node #3: [88, 9] from Operation: 18/2=9 Current State: 97:[88, 9], Operations: ['10-8=2', '18/2=9'] Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[8, 18, 88, 10], Operations: [] Exploring Operation: 8*10=80, Resulting Numbers: [18, 88, 80] Generated Node #0,0: 97:[18, 88, 80] Operation: 8*10=80 Exploring Operation: 8*18=144, Resulting Numbers: [88, 10, 144] Generated Node #0,1: 97:[88, 10, 144] Operation: 8*18=144 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[18, 88, 80], Operations: ['8*10=80'] Exploring Operation: 18+80=98, Resulting Numbers: [88, 98] Generated Node #0,0,0: 97:[88, 98] Operation: 18+80=98 Exploring Operation: 18+88=106, Resulting Numbers: [80, 106] Generated Node #0,0,1: 97:[80, 106] Operation: 18+88=106 Moving to Node #0,0,0 Current State: 97:[88, 98], Operations: ['8*10=80', '18+80=98'] Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 88+98=186, Resulting Numbers: [186] 186,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[80, 106], Operations: ['8*10=80', '18+88=106'] Exploring Operation: 80+106=186, Resulting Numbers: [186] 186,97 unequal: No Solution Exploring Operation: 106-80=26, Resulting Numbers: [26] 26,97 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 Current State: 97:[88, 10, 144], Operations: ['8*18=144'] Exploring Operation: 144-10=134, Resulting Numbers: [88, 134] Generated Node #0,1,0: 97:[88, 134] Operation: 144-10=134 Exploring Operation: 88+10=98, Resulting Numbers: [144, 98] Generated Node #0,1,1: 97:[144, 98] Operation: 88+10=98 Moving to Node #0,1,0 Current State: 97:[88, 134], Operations: ['8*18=144', '144-10=134'] Exploring Operation: 88+134=222, Resulting Numbers: [222] 222,97 unequal: No Solution Exploring Operation: 134-88=46, Resulting Numbers: [46] 46,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[144, 98], Operations: ['8*18=144', '88+10=98'] Exploring Operation: 144-98=46, Resulting Numbers: [46] 46,97 unequal: No Solution Exploring Operation: 144+98=242, Resulting Numbers: [242] 242,97 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
[ 64, 2, 20, 34 ]
48
[ "64-2=62", "34-20=14", "62-14=48" ]
Current State: 48:[64, 2, 20, 34], Operations: [] Exploring Operation: 64-2=62, Resulting Numbers: [20, 34, 62] Generated Node #2: [20, 34, 62] from Operation: 64-2=62 Current State: 48:[20, 34, 62], Operations: ['64-2=62'] Exploring Operation: 34-20=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 34-20=14 Current State: 48:[62, 14], Operations: ['64-2=62', '34-20=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[64, 2, 20, 34], Operations: [] Exploring Operation: 34/2=17, Resulting Numbers: [64, 20, 17] Generated Node #0,0: 48:[64, 20, 17] Operation: 34/2=17 Exploring Operation: 34-20=14, Resulting Numbers: [64, 2, 14] Generated Node #0,1: 48:[64, 2, 14] Operation: 34-20=14 Exploring Operation: 64/2=32, Resulting Numbers: [20, 34, 32] Generated Node #0,2: 48:[20, 34, 32] Operation: 64/2=32 Exploring Operation: 64-34=30, Resulting Numbers: [2, 20, 30] Generated Node #0,3: 48:[2, 20, 30] Operation: 64-34=30 Exploring Operation: 64-20=44, Resulting Numbers: [2, 34, 44] Generated Node #0,4: 48:[2, 34, 44] Operation: 64-20=44 Moving to Node #0,3 Current State: 48:[2, 20, 30], Operations: ['64-34=30'] Exploring Operation: 20-2=18, Resulting Numbers: [30, 18] Generated Node #0,3,0: 48:[30, 18] Operation: 20-2=18 Exploring Operation: 20+30=50, Resulting Numbers: [2, 50] Generated Node #0,3,1: 48:[2, 50] Operation: 20+30=50 Exploring Operation: 30/2=15, Resulting Numbers: [20, 15] Generated Node #0,3,2: 48:[20, 15] Operation: 30/2=15 Exploring Operation: 30-20=10, Resulting Numbers: [2, 10] Generated Node #0,3,3: 48:[2, 10] Operation: 30-20=10 Exploring Operation: 2+20=22, Resulting Numbers: [30, 22] Generated Node #0,3,4: 48:[30, 22] Operation: 2+20=22 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[2, 50], Operations: ['64-34=30', '20+30=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[64, 2, 20, 34], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [2, 20, 30] Generated Node #0,3: 48:[2, 20, 30] Operation: 64-34=30 Moving to Node #0,3 Current State: 48:[2, 20, 30], Operations: ['64-34=30'] Exploring Operation: 20+30=50, Resulting Numbers: [2, 50] Generated Node #0,3,1: 48:[2, 50] Operation: 20+30=50 Moving to Node #0,3,1 Current State: 48:[2, 50], Operations: ['64-34=30', '20+30=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 8, 33, 77, 19 ]
88
[ "33*19=627", "77+627=704", "704/8=88" ]
Current State: 88:[8, 33, 77, 19], Operations: [] Exploring Operation: 33*19=627, Resulting Numbers: [8, 77, 627] Generated Node #2: [8, 77, 627] from Operation: 33*19=627 Current State: 88:[8, 77, 627], Operations: ['33*19=627'] Exploring Operation: 77+627=704, Resulting Numbers: [8, 704] Generated Node #3: [8, 704] from Operation: 77+627=704 Current State: 88:[8, 704], Operations: ['33*19=627', '77+627=704'] Exploring Operation: 704/8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[8, 33, 77, 19], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [8, 77, 14] Generated Node #0,0: 88:[8, 77, 14] Operation: 33-19=14 Exploring Operation: 77-33=44, Resulting Numbers: [8, 19, 44] Generated Node #0,1: 88:[8, 19, 44] Operation: 77-33=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[8, 19, 44], Operations: ['77-33=44'] Exploring Operation: 19-8=11, Resulting Numbers: [44, 11] Generated Node #0,1,0: 88:[44, 11] Operation: 19-8=11 Exploring Operation: 44-19=25, Resulting Numbers: [8, 25] Generated Node #0,1,1: 88:[8, 25] Operation: 44-19=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[44, 11], Operations: ['77-33=44', '19-8=11'] Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,88 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: 88:[8, 25], Operations: ['77-33=44', '44-19=25'] Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,88 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: 88:[8, 77, 14], Operations: ['33-19=14'] Exploring Operation: 77+14=91, Resulting Numbers: [8, 91] Generated Node #0,0,0: 88:[8, 91] Operation: 77+14=91 Exploring Operation: 8+77=85, Resulting Numbers: [14, 85] Generated Node #0,0,1: 88:[14, 85] Operation: 8+77=85 Moving to Node #0,0,0 Current State: 88:[8, 91], Operations: ['33-19=14', '77+14=91'] Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,88 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[14, 85], Operations: ['33-19=14', '8+77=85'] Exploring Operation: 14+85=99, Resulting Numbers: [99] 99,88 unequal: No Solution Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,88 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
[ 95, 6, 90, 5 ]
43
[ "95+90=185", "185/5=37", "6+37=43" ]
Current State: 43:[95, 6, 90, 5], Operations: [] Exploring Operation: 95+90=185, Resulting Numbers: [6, 5, 185] Generated Node #2: [6, 5, 185] from Operation: 95+90=185 Current State: 43:[6, 5, 185], Operations: ['95+90=185'] Exploring Operation: 185/5=37, Resulting Numbers: [6, 37] Generated Node #3: [6, 37] from Operation: 185/5=37 Current State: 43:[6, 37], Operations: ['95+90=185', '185/5=37'] Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[95, 6, 90, 5], Operations: [] Exploring Operation: 95/5=19, Resulting Numbers: [6, 90, 19] Generated Node #0,0: 43:[6, 90, 19] Operation: 95/5=19 Exploring Operation: 6*5=30, Resulting Numbers: [95, 90, 30] Generated Node #0,1: 43:[95, 90, 30] Operation: 6*5=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[6, 90, 19], Operations: ['95/5=19'] Exploring Operation: 90/6=15, Resulting Numbers: [19, 15] Generated Node #0,0,0: 43:[19, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [19, 84] Generated Node #0,0,1: 43:[19, 84] Operation: 90-6=84 Moving to Node #0,0,0 Current State: 43:[19, 15], Operations: ['95/5=19', '90/6=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[19, 84], Operations: ['95/5=19', '90-6=84'] Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 19+84=103, Resulting Numbers: [103] 103,43 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 Current State: 43:[95, 90, 30], Operations: ['6*5=30'] Exploring Operation: 95-90=5, Resulting Numbers: [30, 5] Generated Node #0,1,0: 43:[30, 5] Operation: 95-90=5 Exploring Operation: 95-30=65, Resulting Numbers: [90, 65] Generated Node #0,1,1: 43:[90, 65] Operation: 95-30=65 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[30, 5], Operations: ['6*5=30', '95-90=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,43 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: 43:[90, 65], Operations: ['6*5=30', '95-30=65'] Exploring Operation: 90+65=155, Resulting Numbers: [155] 155,43 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,43 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
mult_heuristic
[ 46, 98, 20, 2 ]
13
[ "98+20=118", "118/2=59", "59-46=13" ]
Current State: 13:[46, 98, 20, 2], Operations: [] Exploring Operation: 98+20=118, Resulting Numbers: [46, 2, 118] Generated Node #2: [46, 2, 118] from Operation: 98+20=118 Current State: 13:[46, 2, 118], Operations: ['98+20=118'] Exploring Operation: 118/2=59, Resulting Numbers: [46, 59] Generated Node #3: [46, 59] from Operation: 118/2=59 Current State: 13:[46, 59], Operations: ['98+20=118', '118/2=59'] Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[46, 98, 20, 2], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [20, 2, 52] Generated Node #0,0: 13:[20, 2, 52] Operation: 98-46=52 Moving to Node #0,0 Current State: 13:[20, 2, 52], Operations: ['98-46=52'] Exploring Operation: 52/2=26, Resulting Numbers: [20, 26] Generated Node #0,0,0: 13:[20, 26] Operation: 52/2=26 Moving to Node #0,0,0 Current State: 13:[20, 26], Operations: ['98-46=52', '52/2=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,13 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 41, 35, 40, 28 ]
65
[ "41-28=13", "40-35=5", "13*5=65" ]
Current State: 65:[41, 35, 40, 28], Operations: [] Exploring Operation: 41-28=13, Resulting Numbers: [35, 40, 13] Generated Node #2: [35, 40, 13] from Operation: 41-28=13 Current State: 65:[35, 40, 13], Operations: ['41-28=13'] Exploring Operation: 40-35=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 40-35=5 Current State: 65:[13, 5], Operations: ['41-28=13', '40-35=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[41, 35, 40, 28], Operations: [] Exploring Operation: 41-35=6, Resulting Numbers: [40, 28, 6] Generated Node #0,0: 65:[40, 28, 6] Operation: 41-35=6 Exploring Operation: 40-35=5, Resulting Numbers: [41, 28, 5] Generated Node #0,1: 65:[41, 28, 5] Operation: 40-35=5 Moving to Node #0,1 Current State: 65:[41, 28, 5], Operations: ['40-35=5'] Exploring Operation: 41-28=13, Resulting Numbers: [5, 13] Generated Node #0,1,0: 65:[5, 13] Operation: 41-28=13 Exploring Operation: 41+28=69, Resulting Numbers: [5, 69] Generated Node #0,1,1: 65:[5, 69] Operation: 41+28=69 Moving to Node #0,0 Current State: 65:[40, 28, 6], Operations: ['41-35=6'] Exploring Operation: 40+28=68, Resulting Numbers: [6, 68] Generated Node #0,0,0: 65:[6, 68] Operation: 40+28=68 Exploring Operation: 40-28=12, Resulting Numbers: [6, 12] Generated Node #0,0,1: 65:[6, 12] Operation: 40-28=12 Moving to Node #0,1,0 Current State: 65:[5, 13], Operations: ['40-35=5', '41-28=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[41, 35, 40, 28], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [41, 28, 5] Generated Node #0,1: 65:[41, 28, 5] Operation: 40-35=5 Moving to Node #0,1 Current State: 65:[41, 28, 5], Operations: ['40-35=5'] Exploring Operation: 41-28=13, Resulting Numbers: [5, 13] Generated Node #0,1,0: 65:[5, 13] Operation: 41-28=13 Moving to Node #0,1,0 Current State: 65:[5, 13], Operations: ['40-35=5', '41-28=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 28, 29, 24, 91 ]
30
[ "28-24=4", "29+91=120", "120/4=30" ]
Current State: 30:[28, 29, 24, 91], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [29, 91, 4] Generated Node #2: [29, 91, 4] from Operation: 28-24=4 Current State: 30:[29, 91, 4], Operations: ['28-24=4'] Exploring Operation: 29+91=120, Resulting Numbers: [4, 120] Generated Node #3: [4, 120] from Operation: 29+91=120 Current State: 30:[4, 120], Operations: ['28-24=4', '29+91=120'] Exploring Operation: 120/4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[28, 29, 24, 91], Operations: [] Exploring Operation: 91-28=63, Resulting Numbers: [29, 24, 63] Generated Node #0,0: 30:[29, 24, 63] Operation: 91-28=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[29, 24, 63], Operations: ['91-28=63'] Exploring Operation: 63-29=34, Resulting Numbers: [24, 34] Generated Node #0,0,0: 30:[24, 34] Operation: 63-29=34 Moving to Node #0,0,0 Current State: 30:[24, 34], Operations: ['91-28=63', '63-29=34'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,30 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
[ 9, 6, 83, 75 ]
78
[ "9+6=15", "75/15=5", "83-5=78" ]
Current State: 78:[9, 6, 83, 75], Operations: [] Exploring Operation: 9+6=15, Resulting Numbers: [83, 75, 15] Generated Node #2: [83, 75, 15] from Operation: 9+6=15 Current State: 78:[83, 75, 15], Operations: ['9+6=15'] Exploring Operation: 75/15=5, Resulting Numbers: [83, 5] Generated Node #3: [83, 5] from Operation: 75/15=5 Current State: 78:[83, 5], Operations: ['9+6=15', '75/15=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[9, 6, 83, 75], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [9, 6, 8] Generated Node #0,0: 78:[9, 6, 8] Operation: 83-75=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[9, 6, 8], Operations: ['83-75=8'] Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 78:[6, 1] Operation: 9-8=1 Moving to Node #0,0,0 Current State: 78:[6, 1], Operations: ['83-75=8', '9-8=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,78 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
[ 4, 17, 46, 14 ]
47
[ "17-4=13", "46+14=60", "60-13=47" ]
Current State: 47:[4, 17, 46, 14], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [46, 14, 13] Generated Node #2: [46, 14, 13] from Operation: 17-4=13 Current State: 47:[46, 14, 13], Operations: ['17-4=13'] Exploring Operation: 46+14=60, Resulting Numbers: [13, 60] Generated Node #3: [13, 60] from Operation: 46+14=60 Current State: 47:[13, 60], Operations: ['17-4=13', '46+14=60'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[4, 17, 46, 14], Operations: [] Exploring Operation: 4*14=56, Resulting Numbers: [17, 46, 56] Generated Node #0,0: 47:[17, 46, 56] Operation: 4*14=56 Exploring Operation: 4+14=18, Resulting Numbers: [17, 46, 18] Generated Node #0,1: 47:[17, 46, 18] Operation: 4+14=18 Exploring Operation: 4+17=21, Resulting Numbers: [46, 14, 21] Generated Node #0,2: 47:[46, 14, 21] Operation: 4+17=21 Exploring Operation: 4*17=68, Resulting Numbers: [46, 14, 68] Generated Node #0,3: 47:[46, 14, 68] Operation: 4*17=68 Moving to Node #0,0 Current State: 47:[17, 46, 56], Operations: ['4*14=56'] Exploring Operation: 46-17=29, Resulting Numbers: [56, 29] Generated Node #0,0,0: 47:[56, 29] Operation: 46-17=29 Exploring Operation: 17+46=63, Resulting Numbers: [56, 63] Generated Node #0,0,1: 47:[56, 63] Operation: 17+46=63 Exploring Operation: 17+56=73, Resulting Numbers: [46, 73] Generated Node #0,0,2: 47:[46, 73] Operation: 17+56=73 Exploring Operation: 56-17=39, Resulting Numbers: [46, 39] Generated Node #0,0,3: 47:[46, 39] Operation: 56-17=39 Moving to Node #0,3 Current State: 47:[46, 14, 68], Operations: ['4*17=68'] Exploring Operation: 46+14=60, Resulting Numbers: [68, 60] Generated Node #0,3,0: 47:[68, 60] Operation: 46+14=60 Exploring Operation: 46-14=32, Resulting Numbers: [68, 32] Generated Node #0,3,1: 47:[68, 32] Operation: 46-14=32 Exploring Operation: 14+68=82, Resulting Numbers: [46, 82] Generated Node #0,3,2: 47:[46, 82] Operation: 14+68=82 Exploring Operation: 68-14=54, Resulting Numbers: [46, 54] Generated Node #0,3,3: 47:[46, 54] Operation: 68-14=54 Moving to Node #0,2 Current State: 47:[46, 14, 21], Operations: ['4+17=21'] Exploring Operation: 21-14=7, Resulting Numbers: [46, 7] Generated Node #0,2,0: 47:[46, 7] Operation: 21-14=7 Exploring Operation: 46+14=60, Resulting Numbers: [21, 60] Generated Node #0,2,1: 47:[21, 60] Operation: 46+14=60 Exploring Operation: 14+21=35, Resulting Numbers: [46, 35] Generated Node #0,2,2: 47:[46, 35] Operation: 14+21=35 Exploring Operation: 46-14=32, Resulting Numbers: [21, 32] Generated Node #0,2,3: 47:[21, 32] Operation: 46-14=32 Moving to Node #0,1 Current State: 47:[17, 46, 18], Operations: ['4+14=18'] Exploring Operation: 17+46=63, Resulting Numbers: [18, 63] Generated Node #0,1,0: 47:[18, 63] Operation: 17+46=63 Exploring Operation: 18-17=1, Resulting Numbers: [46, 1] Generated Node #0,1,1: 47:[46, 1] Operation: 18-17=1 Exploring Operation: 46-17=29, Resulting Numbers: [18, 29] Generated Node #0,1,2: 47:[18, 29] Operation: 46-17=29 Exploring Operation: 17+18=35, Resulting Numbers: [46, 35] Generated Node #0,1,3: 47:[46, 35] Operation: 17+18=35 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 47:[46, 35], Operations: ['4+14=18', '17+18=35'] Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 46*35=1610, Resulting Numbers: [1610] 1610,47 unequal: No Solution Exploring Operation: 46+35=81, Resulting Numbers: [81] 81,47 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: 47:[18, 63], Operations: ['4+14=18', '17+46=63'] Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,47 unequal: No Solution Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,47 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,47 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: 47:[46, 1], Operations: ['4+14=18', '18-17=1'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[4, 17, 46, 14], Operations: [] Exploring Operation: 4+14=18, Resulting Numbers: [17, 46, 18] Generated Node #0,1: 47:[17, 46, 18] Operation: 4+14=18 Moving to Node #0,1 Current State: 47:[17, 46, 18], Operations: ['4+14=18'] Exploring Operation: 18-17=1, Resulting Numbers: [46, 1] Generated Node #0,1,1: 47:[46, 1] Operation: 18-17=1 Moving to Node #0,1,1 Current State: 47:[46, 1], Operations: ['4+14=18', '18-17=1'] Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 76, 92, 6, 64 ]
98
[ "76+92=168", "6+64=70", "168-70=98" ]
Current State: 98:[76, 92, 6, 64], Operations: [] Exploring Operation: 76+92=168, Resulting Numbers: [6, 64, 168] Generated Node #2: [6, 64, 168] from Operation: 76+92=168 Current State: 98:[6, 64, 168], Operations: ['76+92=168'] Exploring Operation: 6+64=70, Resulting Numbers: [168, 70] Generated Node #3: [168, 70] from Operation: 6+64=70 Current State: 98:[168, 70], Operations: ['76+92=168', '6+64=70'] Exploring Operation: 168-70=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[76, 92, 6, 64], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [92, 6, 12] Generated Node #0,0: 98:[92, 6, 12] Operation: 76-64=12 Moving to Node #0,0 Current State: 98:[92, 6, 12], Operations: ['76-64=12'] Exploring Operation: 92+6=98, Resulting Numbers: [12, 98] Generated Node #0,0,0: 98:[12, 98] Operation: 92+6=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[12, 98], Operations: ['76-64=12', '92+6=98'] Exploring Operation: 12+98=110, Resulting Numbers: [110] 110,98 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
[ 32, 28, 62, 41 ]
17
[ "32-28=4", "62-41=21", "21-4=17" ]
Current State: 17:[32, 28, 62, 41], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [62, 41, 4] Generated Node #2: [62, 41, 4] from Operation: 32-28=4 Current State: 17:[62, 41, 4], Operations: ['32-28=4'] Exploring Operation: 62-41=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 62-41=21 Current State: 17:[4, 21], Operations: ['32-28=4', '62-41=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[32, 28, 62, 41], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [32, 28, 21] Generated Node #0,0: 17:[32, 28, 21] Operation: 62-41=21 Exploring Operation: 62-28=34, Resulting Numbers: [32, 41, 34] Generated Node #0,1: 17:[32, 41, 34] Operation: 62-28=34 Exploring Operation: 62-32=30, Resulting Numbers: [28, 41, 30] Generated Node #0,2: 17:[28, 41, 30] Operation: 62-32=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[32, 28, 21], Operations: ['62-41=21'] Exploring Operation: 32-21=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 17:[28, 11] Operation: 32-21=11 Exploring Operation: 32-28=4, Resulting Numbers: [21, 4] Generated Node #0,0,1: 17:[21, 4] Operation: 32-28=4 Exploring Operation: 28-21=7, Resulting Numbers: [32, 7] Generated Node #0,0,2: 17:[32, 7] Operation: 28-21=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[28, 11], Operations: ['62-41=21', '32-21=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[32, 28, 62, 41], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [32, 28, 21] Generated Node #0,0: 17:[32, 28, 21] Operation: 62-41=21 Moving to Node #0,0 Current State: 17:[32, 28, 21], Operations: ['62-41=21'] Exploring Operation: 32-21=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 17:[28, 11] Operation: 32-21=11 Moving to Node #0,0,0 Current State: 17:[28, 11], Operations: ['62-41=21', '32-21=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 41, 56, 71, 5 ]
44
[ "71-56=15", "15/5=3", "41+3=44" ]
Current State: 44:[41, 56, 71, 5], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [41, 5, 15] Generated Node #2: [41, 5, 15] from Operation: 71-56=15 Current State: 44:[41, 5, 15], Operations: ['71-56=15'] Exploring Operation: 15/5=3, Resulting Numbers: [41, 3] Generated Node #3: [41, 3] from Operation: 15/5=3 Current State: 44:[41, 3], Operations: ['71-56=15', '15/5=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[41, 56, 71, 5], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [41, 5, 15] Generated Node #0,0: 44:[41, 5, 15] Operation: 71-56=15 Exploring Operation: 56-5=51, Resulting Numbers: [41, 71, 51] Generated Node #0,1: 44:[41, 71, 51] Operation: 56-5=51 Exploring Operation: 71-41=30, Resulting Numbers: [56, 5, 30] Generated Node #0,2: 44:[56, 5, 30] Operation: 71-41=30 Exploring Operation: 56-41=15, Resulting Numbers: [71, 5, 15] Generated Node #0,3: 44:[71, 5, 15] Operation: 56-41=15 Exploring Operation: 71-5=66, Resulting Numbers: [41, 56, 66] Generated Node #0,4: 44:[41, 56, 66] Operation: 71-5=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[41, 5, 15], Operations: ['71-56=15'] Exploring Operation: 15/5=3, Resulting Numbers: [41, 3] Generated Node #0,0,0: 44:[41, 3] Operation: 15/5=3 Exploring Operation: 41-15=26, Resulting Numbers: [5, 26] Generated Node #0,0,1: 44:[5, 26] Operation: 41-15=26 Exploring Operation: 5+15=20, Resulting Numbers: [41, 20] Generated Node #0,0,2: 44:[41, 20] Operation: 5+15=20 Exploring Operation: 15-5=10, Resulting Numbers: [41, 10] Generated Node #0,0,3: 44:[41, 10] Operation: 15-5=10 Exploring Operation: 41+5=46, Resulting Numbers: [15, 46] Generated Node #0,0,4: 44:[15, 46] Operation: 41+5=46 Moving to Node #0,0,0 Current State: 44:[41, 3], Operations: ['71-56=15', '15/5=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[41, 56, 71, 5], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [41, 5, 15] Generated Node #0,0: 44:[41, 5, 15] Operation: 71-56=15 Moving to Node #0,0 Current State: 44:[41, 5, 15], Operations: ['71-56=15'] Exploring Operation: 15/5=3, Resulting Numbers: [41, 3] Generated Node #0,0,0: 44:[41, 3] Operation: 15/5=3 Moving to Node #0,0,0 Current State: 44:[41, 3], Operations: ['71-56=15', '15/5=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 97, 61, 25, 89 ]
44
[ "97+61=158", "25+89=114", "158-114=44" ]
Current State: 44:[97, 61, 25, 89], Operations: [] Exploring Operation: 97+61=158, Resulting Numbers: [25, 89, 158] Generated Node #2: [25, 89, 158] from Operation: 97+61=158 Current State: 44:[25, 89, 158], Operations: ['97+61=158'] Exploring Operation: 25+89=114, Resulting Numbers: [158, 114] Generated Node #3: [158, 114] from Operation: 25+89=114 Current State: 44:[158, 114], Operations: ['97+61=158', '25+89=114'] Exploring Operation: 158-114=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[97, 61, 25, 89], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [97, 25, 28] Generated Node #0,0: 44:[97, 25, 28] Operation: 89-61=28 Exploring Operation: 97-61=36, Resulting Numbers: [25, 89, 36] Generated Node #0,1: 44:[25, 89, 36] Operation: 97-61=36 Exploring Operation: 97-89=8, Resulting Numbers: [61, 25, 8] Generated Node #0,2: 44:[61, 25, 8] Operation: 97-89=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[61, 25, 8], Operations: ['97-89=8'] Exploring Operation: 61-25=36, Resulting Numbers: [8, 36] Generated Node #0,2,0: 44:[8, 36] Operation: 61-25=36 Exploring Operation: 25-8=17, Resulting Numbers: [61, 17] Generated Node #0,2,1: 44:[61, 17] Operation: 25-8=17 Exploring Operation: 61-8=53, Resulting Numbers: [25, 53] Generated Node #0,2,2: 44:[25, 53] Operation: 61-8=53 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[8, 36], Operations: ['97-89=8', '61-25=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,44 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[97, 61, 25, 89], Operations: [] Exploring Operation: 97-89=8, Resulting Numbers: [61, 25, 8] Generated Node #0,2: 44:[61, 25, 8] Operation: 97-89=8 Moving to Node #0,2 Current State: 44:[61, 25, 8], Operations: ['97-89=8'] Exploring Operation: 61-25=36, Resulting Numbers: [8, 36] Generated Node #0,2,0: 44:[8, 36] Operation: 61-25=36 Moving to Node #0,2,0 Current State: 44:[8, 36], Operations: ['97-89=8', '61-25=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 23, 82, 24, 4 ]
34
[ "23*4=92", "82-24=58", "92-58=34" ]
Current State: 34:[23, 82, 24, 4], Operations: [] Exploring Operation: 23*4=92, Resulting Numbers: [82, 24, 92] Generated Node #2: [82, 24, 92] from Operation: 23*4=92 Current State: 34:[82, 24, 92], Operations: ['23*4=92'] Exploring Operation: 82-24=58, Resulting Numbers: [92, 58] Generated Node #3: [92, 58] from Operation: 82-24=58 Current State: 34:[92, 58], Operations: ['23*4=92', '82-24=58'] Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[23, 82, 24, 4], Operations: [] Exploring Operation: 82-24=58, Resulting Numbers: [23, 4, 58] Generated Node #0,0: 34:[23, 4, 58] Operation: 82-24=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[23, 4, 58], Operations: ['82-24=58'] Exploring Operation: 58-23=35, Resulting Numbers: [4, 35] Generated Node #0,0,0: 34:[4, 35] Operation: 58-23=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[4, 35], Operations: ['82-24=58', '58-23=35'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,34 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_1
mult_heuristic
[ 37, 51, 63, 51 ]
25
[ "63-37=26", "51/51=1", "26-1=25" ]
Current State: 25:[37, 51, 63, 51], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [51, 51, 26] Generated Node #2: [51, 51, 26] from Operation: 63-37=26 Current State: 25:[51, 51, 26], Operations: ['63-37=26'] Exploring Operation: 51/51=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 51/51=1 Current State: 25:[26, 1], Operations: ['63-37=26', '51/51=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[37, 51, 63, 51], Operations: [] Exploring Operation: 51/51=1, Resulting Numbers: [37, 63, 1] Generated Node #0,0: 25:[37, 63, 1] Operation: 51/51=1 Exploring Operation: 63-51=12, Resulting Numbers: [37, 51, 12] Generated Node #0,1: 25:[37, 51, 12] Operation: 63-51=12 Exploring Operation: 63-37=26, Resulting Numbers: [51, 51, 26] Generated Node #0,2: 25:[51, 51, 26] Operation: 63-37=26 Exploring Operation: 63-51=12, Resulting Numbers: [37, 51, 12] Generated Node #0,3: 25:[37, 51, 12] Operation: 63-51=12 Moving to Node #0,1 Current State: 25:[37, 51, 12], Operations: ['63-51=12'] Exploring Operation: 51-37=14, Resulting Numbers: [12, 14] Generated Node #0,1,0: 25:[12, 14] Operation: 51-37=14 Exploring Operation: 51-12=39, Resulting Numbers: [37, 39] Generated Node #0,1,1: 25:[37, 39] Operation: 51-12=39 Exploring Operation: 37+12=49, Resulting Numbers: [51, 49] Generated Node #0,1,2: 25:[51, 49] Operation: 37+12=49 Exploring Operation: 37-12=25, Resulting Numbers: [51, 25] Generated Node #0,1,3: 25:[51, 25] Operation: 37-12=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[12, 14], Operations: ['63-51=12', '51-37=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,25 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: 25:[37, 39], Operations: ['63-51=12', '51-12=39'] Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,25 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,25 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: 25:[51, 25], Operations: ['63-51=12', '37-12=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,25 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,25 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: 25:[51, 49], Operations: ['63-51=12', '37+12=49'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,25 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,25 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: 25:[37, 51, 12], Operations: ['63-51=12'] Exploring Operation: 51-37=14, Resulting Numbers: [12, 14] Generated Node #0,3,0: 25:[12, 14] Operation: 51-37=14 Exploring Operation: 37+12=49, Resulting Numbers: [51, 49] Generated Node #0,3,1: 25:[51, 49] Operation: 37+12=49 Exploring Operation: 37-12=25, Resulting Numbers: [51, 25] Generated Node #0,3,2: 25:[51, 25] Operation: 37-12=25 Exploring Operation: 51-12=39, Resulting Numbers: [37, 39] Generated Node #0,3,3: 25:[37, 39] Operation: 51-12=39 Moving to Node #0,2 Current State: 25:[51, 51, 26], Operations: ['63-37=26'] Exploring Operation: 51-26=25, Resulting Numbers: [51, 25] Generated Node #0,2,0: 25:[51, 25] Operation: 51-26=25 Exploring Operation: 51-51=0, Resulting Numbers: [26, 0] Generated Node #0,2,1: 25:[26, 0] Operation: 51-51=0 Exploring Operation: 51-26=25, Resulting Numbers: [51, 25] Generated Node #0,2,2: 25:[51, 25] Operation: 51-26=25 Exploring Operation: 51/51=1, Resulting Numbers: [26, 1] Generated Node #0,2,3: 25:[26, 1] Operation: 51/51=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[26, 1], Operations: ['63-37=26', '51/51=1'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[37, 51, 63, 51], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [51, 51, 26] Generated Node #0,2: 25:[51, 51, 26] Operation: 63-37=26 Moving to Node #0,2 Current State: 25:[51, 51, 26], Operations: ['63-37=26'] Exploring Operation: 51/51=1, Resulting Numbers: [26, 1] Generated Node #0,2,3: 25:[26, 1] Operation: 51/51=1 Moving to Node #0,2,3 Current State: 25:[26, 1], Operations: ['63-37=26', '51/51=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 34, 36, 18, 6 ]
62
[ "34*36=1224", "1224/18=68", "68-6=62" ]
Current State: 62:[34, 36, 18, 6], Operations: [] Exploring Operation: 34*36=1224, Resulting Numbers: [18, 6, 1224] Generated Node #2: [18, 6, 1224] from Operation: 34*36=1224 Current State: 62:[18, 6, 1224], Operations: ['34*36=1224'] Exploring Operation: 1224/18=68, Resulting Numbers: [6, 68] Generated Node #3: [6, 68] from Operation: 1224/18=68 Current State: 62:[6, 68], Operations: ['34*36=1224', '1224/18=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[34, 36, 18, 6], Operations: [] Exploring Operation: 36/18=2, Resulting Numbers: [34, 6, 2] Generated Node #0,0: 62:[34, 6, 2] Operation: 36/18=2 Moving to Node #0,0 Current State: 62:[34, 6, 2], Operations: ['36/18=2'] Exploring Operation: 34-6=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 62:[2, 28] Operation: 34-6=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[2, 28], Operations: ['36/18=2', '34-6=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,62 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
[ 50, 24, 13, 20 ]
41
[ "50+24=74", "13+20=33", "74-33=41" ]
Current State: 41:[50, 24, 13, 20], Operations: [] Exploring Operation: 50+24=74, Resulting Numbers: [13, 20, 74] Generated Node #2: [13, 20, 74] from Operation: 50+24=74 Current State: 41:[13, 20, 74], Operations: ['50+24=74'] Exploring Operation: 13+20=33, Resulting Numbers: [74, 33] Generated Node #3: [74, 33] from Operation: 13+20=33 Current State: 41:[74, 33], Operations: ['50+24=74', '13+20=33'] Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[50, 24, 13, 20], Operations: [] Exploring Operation: 24+20=44, Resulting Numbers: [50, 13, 44] Generated Node #0,0: 41:[50, 13, 44] Operation: 24+20=44 Exploring Operation: 24+13=37, Resulting Numbers: [50, 20, 37] Generated Node #0,1: 41:[50, 20, 37] Operation: 24+13=37 Exploring Operation: 13+20=33, Resulting Numbers: [50, 24, 33] Generated Node #0,2: 41:[50, 24, 33] Operation: 13+20=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[50, 20, 37], Operations: ['24+13=37'] Exploring Operation: 50-20=30, Resulting Numbers: [37, 30] Generated Node #0,1,0: 41:[37, 30] Operation: 50-20=30 Exploring Operation: 20+37=57, Resulting Numbers: [50, 57] Generated Node #0,1,1: 41:[50, 57] Operation: 20+37=57 Exploring Operation: 50+20=70, Resulting Numbers: [37, 70] Generated Node #0,1,2: 41:[37, 70] Operation: 50+20=70 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[37, 30], Operations: ['24+13=37', '50-20=30'] Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,41 unequal: No Solution Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,41 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: 41:[50, 57], Operations: ['24+13=37', '20+37=57'] Exploring Operation: 50*57=2850, Resulting Numbers: [2850] 2850,41 unequal: No Solution Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 50+57=107, Resulting Numbers: [107] 107,41 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: 41:[37, 70], Operations: ['24+13=37', '50+20=70'] Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,41 unequal: No Solution Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,41 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,41 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: 41:[50, 24, 33], Operations: ['13+20=33'] Exploring Operation: 50+24=74, Resulting Numbers: [33, 74] Generated Node #0,2,0: 41:[33, 74] Operation: 50+24=74 Exploring Operation: 50-24=26, Resulting Numbers: [33, 26] Generated Node #0,2,1: 41:[33, 26] Operation: 50-24=26 Exploring Operation: 24+33=57, Resulting Numbers: [50, 57] Generated Node #0,2,2: 41:[50, 57] Operation: 24+33=57 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 41:[33, 26], Operations: ['13+20=33', '50-24=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,41 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: 41:[50, 57], Operations: ['13+20=33', '24+33=57'] Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 50+57=107, Resulting Numbers: [107] 107,41 unequal: No Solution Exploring Operation: 50*57=2850, Resulting Numbers: [2850] 2850,41 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: 41:[33, 74], Operations: ['13+20=33', '50+24=74'] Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,41 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[50, 24, 13, 20], Operations: [] Exploring Operation: 13+20=33, Resulting Numbers: [50, 24, 33] Generated Node #0,2: 41:[50, 24, 33] Operation: 13+20=33 Moving to Node #0,2 Current State: 41:[50, 24, 33], Operations: ['13+20=33'] Exploring Operation: 50+24=74, Resulting Numbers: [33, 74] Generated Node #0,2,0: 41:[33, 74] Operation: 50+24=74 Moving to Node #0,2,0 Current State: 41:[33, 74], Operations: ['13+20=33', '50+24=74'] Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 33, 6, 11, 48 ]
36
[ "33+11=44", "48/6=8", "44-8=36" ]
Current State: 36:[33, 6, 11, 48], Operations: [] Exploring Operation: 33+11=44, Resulting Numbers: [6, 48, 44] Generated Node #2: [6, 48, 44] from Operation: 33+11=44 Current State: 36:[6, 48, 44], Operations: ['33+11=44'] Exploring Operation: 48/6=8, Resulting Numbers: [44, 8] Generated Node #3: [44, 8] from Operation: 48/6=8 Current State: 36:[44, 8], Operations: ['33+11=44', '48/6=8'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[33, 6, 11, 48], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [6, 11, 15] Generated Node #0,0: 36:[6, 11, 15] Operation: 48-33=15 Exploring Operation: 48-11=37, Resulting Numbers: [33, 6, 37] Generated Node #0,1: 36:[33, 6, 37] Operation: 48-11=37 Moving to Node #0,0 Current State: 36:[6, 11, 15], Operations: ['48-33=15'] Exploring Operation: 15-11=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 36:[6, 4] Operation: 15-11=4 Exploring Operation: 15-6=9, Resulting Numbers: [11, 9] Generated Node #0,0,1: 36:[11, 9] Operation: 15-6=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[6, 4], Operations: ['48-33=15', '15-11=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,36 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: 36:[11, 9], Operations: ['48-33=15', '15-6=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,36 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: 36:[33, 6, 37], Operations: ['48-11=37'] Exploring Operation: 33+6=39, Resulting Numbers: [37, 39] Generated Node #0,1,0: 36:[37, 39] Operation: 33+6=39 Exploring Operation: 37-33=4, Resulting Numbers: [6, 4] Generated Node #0,1,1: 36:[6, 4] Operation: 37-33=4 Moving to Node #0,1,1 Current State: 36:[6, 4], Operations: ['48-11=37', '37-33=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[37, 39], Operations: ['48-11=37', '33+6=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,36 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 17, 37, 12, 71 ]
26
[ "37+71=108", "108/12=9", "17+9=26" ]
Current State: 26:[17, 37, 12, 71], Operations: [] Exploring Operation: 37+71=108, Resulting Numbers: [17, 12, 108] Generated Node #2: [17, 12, 108] from Operation: 37+71=108 Current State: 26:[17, 12, 108], Operations: ['37+71=108'] Exploring Operation: 108/12=9, Resulting Numbers: [17, 9] Generated Node #3: [17, 9] from Operation: 108/12=9 Current State: 26:[17, 9], Operations: ['37+71=108', '108/12=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[17, 37, 12, 71], Operations: [] Exploring Operation: 71-37=34, Resulting Numbers: [17, 12, 34] Generated Node #0,0: 26:[17, 12, 34] Operation: 71-37=34 Exploring Operation: 71-17=54, Resulting Numbers: [37, 12, 54] Generated Node #0,1: 26:[37, 12, 54] Operation: 71-17=54 Exploring Operation: 71-12=59, Resulting Numbers: [17, 37, 59] Generated Node #0,2: 26:[17, 37, 59] Operation: 71-12=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[17, 12, 34], Operations: ['71-37=34'] Exploring Operation: 34-12=22, Resulting Numbers: [17, 22] Generated Node #0,0,0: 26:[17, 22] Operation: 34-12=22 Exploring Operation: 34/17=2, Resulting Numbers: [12, 2] Generated Node #0,0,1: 26:[12, 2] Operation: 34/17=2 Exploring Operation: 34-17=17, Resulting Numbers: [12, 17] Generated Node #0,0,2: 26:[12, 17] Operation: 34-17=17 Moving to Node #0,0,1 Current State: 26:[12, 2], Operations: ['71-37=34', '34/17=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[12, 17], Operations: ['71-37=34', '34-17=17'] Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,26 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[17, 22], Operations: ['71-37=34', '34-12=22'] Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,26 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,26 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,26 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 Current State: 26:[37, 12, 54], Operations: ['71-17=54'] Exploring Operation: 54-37=17, Resulting Numbers: [12, 17] Generated Node #0,1,0: 26:[12, 17] Operation: 54-37=17 Exploring Operation: 37-12=25, Resulting Numbers: [54, 25] Generated Node #0,1,1: 26:[54, 25] Operation: 37-12=25 Exploring Operation: 54-12=42, Resulting Numbers: [37, 42] Generated Node #0,1,2: 26:[37, 42] Operation: 54-12=42 Moving to Node #0,1,0 Current State: 26:[12, 17], Operations: ['71-17=54', '54-37=17'] Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,26 unequal: No Solution Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,26 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[37, 42], Operations: ['71-17=54', '54-12=42'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 37*42=1554, Resulting Numbers: [1554] 1554,26 unequal: No Solution Exploring Operation: 37+42=79, Resulting Numbers: [79] 79,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[54, 25], Operations: ['71-17=54', '37-12=25'] Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 54*25=1350, Resulting Numbers: [1350] 1350,26 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,26 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 #0,2 Current State: 26:[17, 37, 59], Operations: ['71-12=59'] Exploring Operation: 59-17=42, Resulting Numbers: [37, 42] Generated Node #0,2,0: 26:[37, 42] Operation: 59-17=42 Exploring Operation: 59-37=22, Resulting Numbers: [17, 22] Generated Node #0,2,1: 26:[17, 22] Operation: 59-37=22 Exploring Operation: 37-17=20, Resulting Numbers: [59, 20] Generated Node #0,2,2: 26:[59, 20] Operation: 37-17=20 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[17, 22], Operations: ['71-12=59', '59-37=22'] Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,26 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,26 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,26 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: 26:[37, 42], Operations: ['71-12=59', '59-17=42'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 37+42=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 37*42=1554, Resulting Numbers: [1554] 1554,26 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: 26:[59, 20], Operations: ['71-12=59', '37-17=20'] Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 59*20=1180, Resulting Numbers: [1180] 1180,26 unequal: No Solution Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,26 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
[ 41, 38, 1, 3 ]
86
[ "41*3=123", "38-1=37", "123-37=86" ]
Current State: 86:[41, 38, 1, 3], Operations: [] Exploring Operation: 41*3=123, Resulting Numbers: [38, 1, 123] Generated Node #2: [38, 1, 123] from Operation: 41*3=123 Current State: 86:[38, 1, 123], Operations: ['41*3=123'] Exploring Operation: 38-1=37, Resulting Numbers: [123, 37] Generated Node #3: [123, 37] from Operation: 38-1=37 Current State: 86:[123, 37], Operations: ['41*3=123', '38-1=37'] Exploring Operation: 123-37=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[41, 38, 1, 3], Operations: [] Exploring Operation: 38+3=41, Resulting Numbers: [41, 1, 41] Generated Node #0,0: 86:[41, 1, 41] Operation: 38+3=41 Exploring Operation: 41-38=3, Resulting Numbers: [1, 3, 3] Generated Node #0,1: 86:[1, 3, 3] Operation: 41-38=3 Moving to Node #0,1 Current State: 86:[1, 3, 3], Operations: ['41-38=3'] Exploring Operation: 3-1=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 86:[3, 2] Operation: 3-1=2 Exploring Operation: 3-1=2, Resulting Numbers: [3, 2] Generated Node #0,1,1: 86:[3, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[3, 2], Operations: ['41-38=3', '3-1=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,86 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: 86:[3, 2], Operations: ['41-38=3', '3-1=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 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: 86:[41, 1, 41], Operations: ['38+3=41'] Exploring Operation: 41+1=42, Resulting Numbers: [41, 42] Generated Node #0,0,0: 86:[41, 42] Operation: 41+1=42 Exploring Operation: 41/41=1, Resulting Numbers: [1, 1] Generated Node #0,0,1: 86:[1, 1] Operation: 41/41=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[1, 1], Operations: ['38+3=41', '41/41=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,86 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: 86:[41, 42], Operations: ['38+3=41', '41+1=42'] Exploring Operation: 41+42=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,86 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
[ 44, 12, 67, 2 ]
58
[ "67-44=23", "2*23=46", "12+46=58" ]
Current State: 58:[44, 12, 67, 2], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [12, 2, 23] Generated Node #2: [12, 2, 23] from Operation: 67-44=23 Current State: 58:[12, 2, 23], Operations: ['67-44=23'] Exploring Operation: 2*23=46, Resulting Numbers: [12, 46] Generated Node #3: [12, 46] from Operation: 2*23=46 Current State: 58:[12, 46], Operations: ['67-44=23', '2*23=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[44, 12, 67, 2], Operations: [] Exploring Operation: 44-12=32, Resulting Numbers: [67, 2, 32] Generated Node #0,0: 58:[67, 2, 32] Operation: 44-12=32 Exploring Operation: 44+12=56, Resulting Numbers: [67, 2, 56] Generated Node #0,1: 58:[67, 2, 56] Operation: 44+12=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[67, 2, 56], Operations: ['44+12=56'] Exploring Operation: 67-56=11, Resulting Numbers: [2, 11] Generated Node #0,1,0: 58:[2, 11] Operation: 67-56=11 Exploring Operation: 67-2=65, Resulting Numbers: [56, 65] Generated Node #0,1,1: 58:[56, 65] Operation: 67-2=65 Moving to Node #0,1,0 Current State: 58:[2, 11], Operations: ['44+12=56', '67-56=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[56, 65], Operations: ['44+12=56', '67-2=65'] Exploring Operation: 56+65=121, Resulting Numbers: [121] 121,58 unequal: No Solution Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,58 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: 58:[67, 2, 32], Operations: ['44-12=32'] Exploring Operation: 67-32=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 58:[2, 35] Operation: 67-32=35 Exploring Operation: 67-2=65, Resulting Numbers: [32, 65] Generated Node #0,0,1: 58:[32, 65] Operation: 67-2=65 Moving to Node #0,0,0 Current State: 58:[2, 35], Operations: ['44-12=32', '67-32=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[32, 65], Operations: ['44-12=32', '67-2=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,58 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,58 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
[ 10, 87, 18, 66 ]
27
[ "10*18=180", "87+66=153", "180-153=27" ]
Current State: 27:[10, 87, 18, 66], Operations: [] Exploring Operation: 10*18=180, Resulting Numbers: [87, 66, 180] Generated Node #2: [87, 66, 180] from Operation: 10*18=180 Current State: 27:[87, 66, 180], Operations: ['10*18=180'] Exploring Operation: 87+66=153, Resulting Numbers: [180, 153] Generated Node #3: [180, 153] from Operation: 87+66=153 Current State: 27:[180, 153], Operations: ['10*18=180', '87+66=153'] Exploring Operation: 180-153=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[10, 87, 18, 66], Operations: [] Exploring Operation: 66-18=48, Resulting Numbers: [10, 87, 48] Generated Node #0,0: 27:[10, 87, 48] Operation: 66-18=48 Exploring Operation: 87-66=21, Resulting Numbers: [10, 18, 21] Generated Node #0,1: 27:[10, 18, 21] Operation: 87-66=21 Exploring Operation: 87-18=69, Resulting Numbers: [10, 66, 69] Generated Node #0,2: 27:[10, 66, 69] Operation: 87-18=69 Exploring Operation: 87-10=77, Resulting Numbers: [18, 66, 77] Generated Node #0,3: 27:[18, 66, 77] Operation: 87-10=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[10, 18, 21], Operations: ['87-66=21'] Exploring Operation: 21-18=3, Resulting Numbers: [10, 3] Generated Node #0,1,0: 27:[10, 3] Operation: 21-18=3 Exploring Operation: 21-10=11, Resulting Numbers: [18, 11] Generated Node #0,1,1: 27:[18, 11] Operation: 21-10=11 Exploring Operation: 10+18=28, Resulting Numbers: [21, 28] Generated Node #0,1,2: 27:[21, 28] Operation: 10+18=28 Exploring Operation: 18-10=8, Resulting Numbers: [21, 8] Generated Node #0,1,3: 27:[21, 8] Operation: 18-10=8 Moving to Node #0,1,0 Current State: 27:[10, 3], Operations: ['87-66=21', '21-18=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[21, 8], Operations: ['87-66=21', '18-10=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,27 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[21, 28], Operations: ['87-66=21', '10+18=28'] Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,27 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[18, 11], Operations: ['87-66=21', '21-10=11'] Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,27 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:[10, 87, 48], Operations: ['66-18=48'] Exploring Operation: 10+87=97, Resulting Numbers: [48, 97] Generated Node #0,0,0: 27:[48, 97] Operation: 10+87=97 Exploring Operation: 87-48=39, Resulting Numbers: [10, 39] Generated Node #0,0,1: 27:[10, 39] Operation: 87-48=39 Exploring Operation: 87-10=77, Resulting Numbers: [48, 77] Generated Node #0,0,2: 27:[48, 77] Operation: 87-10=77 Exploring Operation: 48-10=38, Resulting Numbers: [87, 38] Generated Node #0,0,3: 27:[87, 38] Operation: 48-10=38 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[10, 39], Operations: ['66-18=48', '87-48=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,27 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 39-10=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 #0,0,2 Current State: 27:[48, 77], Operations: ['66-18=48', '87-10=77'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,27 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:[87, 38], Operations: ['66-18=48', '48-10=38'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 87*38=3306, Resulting Numbers: [3306] 3306,27 unequal: No Solution Exploring Operation: 87+38=125, Resulting Numbers: [125] 125,27 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:[48, 97], Operations: ['66-18=48', '10+87=97'] Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 48+97=145, Resulting Numbers: [145] 145,27 unequal: No Solution Exploring Operation: 48*97=4656, Resulting Numbers: [4656] 4656,27 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 #0,2 Current State: 27:[10, 66, 69], Operations: ['87-18=69'] Exploring Operation: 69-66=3, Resulting Numbers: [10, 3] Generated Node #0,2,0: 27:[10, 3] Operation: 69-66=3 Exploring Operation: 69-10=59, Resulting Numbers: [66, 59] Generated Node #0,2,1: 27:[66, 59] Operation: 69-10=59 Exploring Operation: 10+66=76, Resulting Numbers: [69, 76] Generated Node #0,2,2: 27:[69, 76] Operation: 10+66=76 Exploring Operation: 66-10=56, Resulting Numbers: [69, 56] Generated Node #0,2,3: 27:[69, 56] Operation: 66-10=56 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[10, 3], Operations: ['87-18=69', '69-66=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,27 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:[66, 59], Operations: ['87-18=69', '69-10=59'] Exploring Operation: 66*59=3894, Resulting Numbers: [3894] 3894,27 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,27 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 #0,2,3 Current State: 27:[69, 56], Operations: ['87-18=69', '66-10=56'] Exploring Operation: 69*56=3864, Resulting Numbers: [3864] 3864,27 unequal: No Solution Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 69+56=125, Resulting Numbers: [125] 125,27 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:[69, 76], Operations: ['87-18=69', '10+66=76'] Exploring Operation: 69+76=145, Resulting Numbers: [145] 145,27 unequal: No Solution Exploring Operation: 69*76=5244, Resulting Numbers: [5244] 5244,27 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,27 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:[18, 66, 77], Operations: ['87-10=77'] Exploring Operation: 77-18=59, Resulting Numbers: [66, 59] Generated Node #0,3,0: 27:[66, 59] Operation: 77-18=59 Exploring Operation: 77-66=11, Resulting Numbers: [18, 11] Generated Node #0,3,1: 27:[18, 11] Operation: 77-66=11 Exploring Operation: 66-18=48, Resulting Numbers: [77, 48] Generated Node #0,3,2: 27:[77, 48] Operation: 66-18=48 Exploring Operation: 18+66=84, Resulting Numbers: [77, 84] Generated Node #0,3,3: 27:[77, 84] Operation: 18+66=84 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 27:[18, 11], Operations: ['87-10=77', '77-66=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,27 unequal: No Solution Exploring Operation: 18+11=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 #0,3,0 Current State: 27:[66, 59], Operations: ['87-10=77', '77-18=59'] Exploring Operation: 66*59=3894, Resulting Numbers: [3894] 3894,27 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,27 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 #0,3,2 Current State: 27:[77, 48], Operations: ['87-10=77', '66-18=48'] Exploring Operation: 77*48=3696, Resulting Numbers: [3696] 3696,27 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 77+48=125, Resulting Numbers: [125] 125,27 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 #0,3,3 Current State: 27:[77, 84], Operations: ['87-10=77', '18+66=84'] Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 77*84=6468, Resulting Numbers: [6468] 6468,27 unequal: No Solution Exploring Operation: 77+84=161, Resulting Numbers: [161] 161,27 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 No solution found.
0
hs_4
sum_heuristic
[ 89, 71, 57, 48 ]
27
[ "89-71=18", "57-48=9", "18+9=27" ]
Current State: 27:[89, 71, 57, 48], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [57, 48, 18] Generated Node #2: [57, 48, 18] from Operation: 89-71=18 Current State: 27:[57, 48, 18], Operations: ['89-71=18'] Exploring Operation: 57-48=9, Resulting Numbers: [18, 9] Generated Node #3: [18, 9] from Operation: 57-48=9 Current State: 27:[18, 9], Operations: ['89-71=18', '57-48=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[89, 71, 57, 48], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [57, 48, 18] Generated Node #0,0: 27:[57, 48, 18] Operation: 89-71=18 Moving to Node #0,0 Current State: 27:[57, 48, 18], Operations: ['89-71=18'] Exploring Operation: 57-48=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 27:[18, 9] Operation: 57-48=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[18, 9], Operations: ['89-71=18', '57-48=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[89, 71, 57, 48], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [57, 48, 18] Generated Node #0,0: 27:[57, 48, 18] Operation: 89-71=18 Moving to Node #0,0 Current State: 27:[57, 48, 18], Operations: ['89-71=18'] Exploring Operation: 57-48=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 27:[18, 9] Operation: 57-48=9 Moving to Node #0,0,0 Current State: 27:[18, 9], Operations: ['89-71=18', '57-48=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 10, 66, 66, 44 ]
98
[ "10+66=76", "66-44=22", "76+22=98" ]
Current State: 98:[10, 66, 66, 44], Operations: [] Exploring Operation: 10+66=76, Resulting Numbers: [44, 76] Generated Node #2: [44, 76] from Operation: 10+66=76 Current State: 98:[44, 76], Operations: ['10+66=76'] Exploring Operation: 66-44=22, Resulting Numbers: [76, 22] Generated Node #3: [76, 22] from Operation: 66-44=22 Current State: 98:[76, 22], Operations: ['10+66=76', '66-44=22'] Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[10, 66, 66, 44], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [10, 44, 0] Generated Node #0,0: 98:[10, 44, 0] Operation: 66-66=0 Exploring Operation: 66-44=22, Resulting Numbers: [10, 66, 22] Generated Node #0,1: 98:[10, 66, 22] Operation: 66-44=22 Exploring Operation: 66/66=1, Resulting Numbers: [10, 44, 1] Generated Node #0,2: 98:[10, 44, 1] Operation: 66/66=1 Exploring Operation: 66-10=56, Resulting Numbers: [66, 44, 56] Generated Node #0,3: 98:[66, 44, 56] Operation: 66-10=56 Exploring Operation: 66-44=22, Resulting Numbers: [10, 66, 22] Generated Node #0,4: 98:[10, 66, 22] Operation: 66-44=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[10, 44, 1], Operations: ['66/66=1'] Exploring Operation: 44+1=45, Resulting Numbers: [10, 45] Generated Node #0,2,0: 98:[10, 45] Operation: 44+1=45 Exploring Operation: 10+1=11, Resulting Numbers: [44, 11] Generated Node #0,2,1: 98:[44, 11] Operation: 10+1=11 Exploring Operation: 10+44=54, Resulting Numbers: [1, 54] Generated Node #0,2,2: 98:[1, 54] Operation: 10+44=54 Exploring Operation: 10-1=9, Resulting Numbers: [44, 9] Generated Node #0,2,3: 98:[44, 9] Operation: 10-1=9 Exploring Operation: 10*1=10, Resulting Numbers: [44, 10] Generated Node #0,2,4: 98:[44, 10] Operation: 10*1=10 Moving to Node #0,2,2 Current State: 98:[1, 54], Operations: ['66/66=1', '10+44=54'] Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[44, 9], Operations: ['66/66=1', '10-1=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,98 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[10, 45], Operations: ['66/66=1', '44+1=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[44, 11], Operations: ['66/66=1', '10+1=11'] Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 44*11=484, Resulting Numbers: [484] 484,98 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[44, 10], Operations: ['66/66=1', '10*1=10'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,98 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 #0,0 Current State: 98:[10, 44, 0], Operations: ['66-66=0'] Exploring Operation: 10-0=10, Resulting Numbers: [44, 10] Generated Node #0,0,0: 98:[44, 10] Operation: 10-0=10 Exploring Operation: 44*0=0, Resulting Numbers: [10, 0] Generated Node #0,0,1: 98:[10, 0] Operation: 44*0=0 Exploring Operation: 10+44=54, Resulting Numbers: [0, 54] Generated Node #0,0,2: 98:[0, 54] Operation: 10+44=54 Exploring Operation: 10+0=10, Resulting Numbers: [44, 10] Generated Node #0,0,3: 98:[44, 10] Operation: 10+0=10 Exploring Operation: 10*0=0, Resulting Numbers: [44, 0] Generated Node #0,0,4: 98:[44, 0] Operation: 10*0=0 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[10, 0], Operations: ['66-66=0', '44*0=0'] Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,98 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 #0,0,2 Current State: 98:[0, 54], Operations: ['66-66=0', '10+44=54'] Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 0*54=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 0+54=54, Resulting Numbers: [54] 54,98 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 #0,0,4 Current State: 98:[44, 0], Operations: ['66-66=0', '10*0=0'] Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 44*0=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,98 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 #0,0,0 Current State: 98:[44, 10], Operations: ['66-66=0', '10-0=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,98 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 #0,0,3 Current State: 98:[44, 10], Operations: ['66-66=0', '10+0=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,98 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,98 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 #0,1 Current State: 98:[10, 66, 22], Operations: ['66-44=22'] Exploring Operation: 22-10=12, Resulting Numbers: [66, 12] Generated Node #0,1,0: 98:[66, 12] Operation: 22-10=12 Exploring Operation: 66-10=56, Resulting Numbers: [22, 56] Generated Node #0,1,1: 98:[22, 56] Operation: 66-10=56 Exploring Operation: 66+22=88, Resulting Numbers: [10, 88] Generated Node #0,1,2: 98:[10, 88] Operation: 66+22=88 Exploring Operation: 66/22=3, Resulting Numbers: [10, 3] Generated Node #0,1,3: 98:[10, 3] Operation: 66/22=3 Exploring Operation: 66-22=44, Resulting Numbers: [10, 44] Generated Node #0,1,4: 98:[10, 44] Operation: 66-22=44 Moving to Node #0,1,3 Current State: 98:[10, 3], Operations: ['66-44=22', '66/22=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,98 unequal: No Solution Moving to Node #0,1,4 Current State: 98:[10, 44], Operations: ['66-44=22', '66-22=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,98 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[10, 88], Operations: ['66-44=22', '66+22=88'] Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[10, 66, 66, 44], Operations: [] Exploring Operation: 66-44=22, Resulting Numbers: [10, 66, 22] Generated Node #0,1: 98:[10, 66, 22] Operation: 66-44=22 Moving to Node #0,1 Current State: 98:[10, 66, 22], Operations: ['66-44=22'] Exploring Operation: 66+22=88, Resulting Numbers: [10, 88] Generated Node #0,1,2: 98:[10, 88] Operation: 66+22=88 Moving to Node #0,1,2 Current State: 98:[10, 88], Operations: ['66-44=22', '66+22=88'] Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
sum_heuristic
[ 11, 11, 7, 54 ]
46
[ "11/11=1", "54-7=47", "47-1=46" ]
Current State: 46:[11, 11, 7, 54], Operations: [] Exploring Operation: 11/11=1, Resulting Numbers: [7, 54, 1] Generated Node #2: [7, 54, 1] from Operation: 11/11=1 Current State: 46:[7, 54, 1], Operations: ['11/11=1'] Exploring Operation: 54-7=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 54-7=47 Current State: 46:[1, 47], Operations: ['11/11=1', '54-7=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[11, 11, 7, 54], Operations: [] Exploring Operation: 11-11=0, Resulting Numbers: [7, 54, 0] Generated Node #0,0: 46:[7, 54, 0] Operation: 11-11=0 Exploring Operation: 11/11=1, Resulting Numbers: [7, 54, 1] Generated Node #0,1: 46:[7, 54, 1] Operation: 11/11=1 Exploring Operation: 54-11=43, Resulting Numbers: [11, 7, 43] Generated Node #0,2: 46:[11, 7, 43] Operation: 54-11=43 Exploring Operation: 54-11=43, Resulting Numbers: [11, 7, 43] Generated Node #0,3: 46:[11, 7, 43] Operation: 54-11=43 Exploring Operation: 11+11=22, Resulting Numbers: [7, 54, 22] Generated Node #0,4: 46:[7, 54, 22] Operation: 11+11=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[7, 54, 1], Operations: ['11/11=1'] Exploring Operation: 54-1=53, Resulting Numbers: [7, 53] Generated Node #0,1,0: 46:[7, 53] Operation: 54-1=53 Exploring Operation: 7-1=6, Resulting Numbers: [54, 6] Generated Node #0,1,1: 46:[54, 6] Operation: 7-1=6 Exploring Operation: 7/1=7, Resulting Numbers: [54, 7] Generated Node #0,1,2: 46:[54, 7] Operation: 7/1=7 Exploring Operation: 7*1=7, Resulting Numbers: [54, 7] Generated Node #0,1,3: 46:[54, 7] Operation: 7*1=7 Exploring Operation: 54-7=47, Resulting Numbers: [1, 47] Generated Node #0,1,4: 46:[1, 47] Operation: 54-7=47 Moving to Node #0,1,4 Current State: 46:[1, 47], Operations: ['11/11=1', '54-7=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[11, 11, 7, 54], Operations: [] Exploring Operation: 11/11=1, Resulting Numbers: [7, 54, 1] Generated Node #0,1: 46:[7, 54, 1] Operation: 11/11=1 Moving to Node #0,1 Current State: 46:[7, 54, 1], Operations: ['11/11=1'] Exploring Operation: 54-7=47, Resulting Numbers: [1, 47] Generated Node #0,1,4: 46:[1, 47] Operation: 54-7=47 Moving to Node #0,1,4 Current State: 46:[1, 47], Operations: ['11/11=1', '54-7=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 20, 39, 23, 1 ]
78
[ "23-20=3", "3-1=2", "39*2=78" ]
Current State: 78:[20, 39, 23, 1], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [39, 1, 3] Generated Node #2: [39, 1, 3] from Operation: 23-20=3 Current State: 78:[39, 1, 3], Operations: ['23-20=3'] Exploring Operation: 3-1=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 3-1=2 Current State: 78:[39, 2], Operations: ['23-20=3', '3-1=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[20, 39, 23, 1], Operations: [] Exploring Operation: 20+23=43, Resulting Numbers: [39, 1, 43] Generated Node #0,0: 78:[39, 1, 43] Operation: 20+23=43 Exploring Operation: 23-20=3, Resulting Numbers: [39, 1, 3] Generated Node #0,1: 78:[39, 1, 3] Operation: 23-20=3 Moving to Node #0,1 Current State: 78:[39, 1, 3], Operations: ['23-20=3'] Exploring Operation: 39/1=39, Resulting Numbers: [3, 39] Generated Node #0,1,0: 78:[3, 39] Operation: 39/1=39 Exploring Operation: 39*1=39, Resulting Numbers: [3, 39] Generated Node #0,1,1: 78:[3, 39] Operation: 39*1=39 Moving to Node #0,0 Current State: 78:[39, 1, 43], Operations: ['20+23=43'] Exploring Operation: 43-1=42, Resulting Numbers: [39, 42] Generated Node #0,0,0: 78:[39, 42] Operation: 43-1=42 Exploring Operation: 43-39=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 78:[1, 4] Operation: 43-39=4 Moving to Node #0,1,0 Current State: 78:[3, 39], Operations: ['23-20=3', '39/1=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[3, 39], Operations: ['23-20=3', '39*1=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[1, 4], Operations: ['20+23=43', '43-39=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[39, 42], Operations: ['20+23=43', '43-1=42'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,78 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 36, 95, 1, 38 ]
14
[ "36-1=35", "38*35=1330", "1330/95=14" ]
Current State: 14:[36, 95, 1, 38], Operations: [] Exploring Operation: 36-1=35, Resulting Numbers: [95, 38, 35] Generated Node #2: [95, 38, 35] from Operation: 36-1=35 Current State: 14:[95, 38, 35], Operations: ['36-1=35'] Exploring Operation: 38*35=1330, Resulting Numbers: [95, 1330] Generated Node #3: [95, 1330] from Operation: 38*35=1330 Current State: 14:[95, 1330], Operations: ['36-1=35', '38*35=1330'] Exploring Operation: 1330/95=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[36, 95, 1, 38], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [1, 38, 59] Generated Node #0,0: 14:[1, 38, 59] Operation: 95-36=59 Exploring Operation: 95-38=57, Resulting Numbers: [36, 1, 57] Generated Node #0,1: 14:[36, 1, 57] Operation: 95-38=57 Moving to Node #0,1 Current State: 14:[36, 1, 57], Operations: ['95-38=57'] Exploring Operation: 57-36=21, Resulting Numbers: [1, 21] Generated Node #0,1,0: 14:[1, 21] Operation: 57-36=21 Exploring Operation: 36-1=35, Resulting Numbers: [57, 35] Generated Node #0,1,1: 14:[57, 35] Operation: 36-1=35 Moving to Node #0,0 Current State: 14:[1, 38, 59], Operations: ['95-36=59'] Exploring Operation: 59-38=21, Resulting Numbers: [1, 21] Generated Node #0,0,0: 14:[1, 21] Operation: 59-38=21 Exploring Operation: 38-1=37, Resulting Numbers: [59, 37] Generated Node #0,0,1: 14:[59, 37] Operation: 38-1=37 Moving to Node #0,1,0 Current State: 14:[1, 21], Operations: ['95-38=57', '57-36=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[1, 21], Operations: ['95-36=59', '59-38=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[57, 35], Operations: ['95-38=57', '36-1=35'] Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[59, 37], Operations: ['95-36=59', '38-1=37'] Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 59+37=96, Resulting Numbers: [96] 96,14 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 15, 5, 72, 55 ]
31
[ "15/5=3", "72/3=24", "55-24=31" ]
Current State: 31:[15, 5, 72, 55], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [72, 55, 3] Generated Node #2: [72, 55, 3] from Operation: 15/5=3 Current State: 31:[72, 55, 3], Operations: ['15/5=3'] Exploring Operation: 72/3=24, Resulting Numbers: [55, 24] Generated Node #3: [55, 24] from Operation: 72/3=24 Current State: 31:[55, 24], Operations: ['15/5=3', '72/3=24'] Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[15, 5, 72, 55], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [15, 5, 17] Generated Node #0,0: 31:[15, 5, 17] Operation: 72-55=17 Exploring Operation: 15+5=20, Resulting Numbers: [72, 55, 20] Generated Node #0,1: 31:[72, 55, 20] Operation: 15+5=20 Moving to Node #0,0 Current State: 31:[15, 5, 17], Operations: ['72-55=17'] Exploring Operation: 5+17=22, Resulting Numbers: [15, 22] Generated Node #0,0,0: 31:[15, 22] Operation: 5+17=22 Exploring Operation: 15+5=20, Resulting Numbers: [17, 20] Generated Node #0,0,1: 31:[17, 20] Operation: 15+5=20 Moving to Node #0,1 Current State: 31:[72, 55, 20], Operations: ['15+5=20'] Exploring Operation: 72-20=52, Resulting Numbers: [55, 52] Generated Node #0,1,0: 31:[55, 52] Operation: 72-20=52 Exploring Operation: 72-55=17, Resulting Numbers: [20, 17] Generated Node #0,1,1: 31:[20, 17] Operation: 72-55=17 Moving to Node #0,0,0 Current State: 31:[15, 22], Operations: ['72-55=17', '5+17=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[20, 17], Operations: ['15+5=20', '72-55=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[17, 20], Operations: ['72-55=17', '15+5=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,31 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[55, 52], Operations: ['15+5=20', '72-20=52'] Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,31 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,31 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 61, 42, 47, 45 ]
52
[ "47-42=5", "45/5=9", "61-9=52" ]
Current State: 52:[61, 42, 47, 45], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [61, 45, 5] Generated Node #2: [61, 45, 5] from Operation: 47-42=5 Current State: 52:[61, 45, 5], Operations: ['47-42=5'] Exploring Operation: 45/5=9, Resulting Numbers: [61, 9] Generated Node #3: [61, 9] from Operation: 45/5=9 Current State: 52:[61, 9], Operations: ['47-42=5', '45/5=9'] Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[61, 42, 47, 45], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [47, 45, 19] Generated Node #0,0: 52:[47, 45, 19] Operation: 61-42=19 Exploring Operation: 47-42=5, Resulting Numbers: [61, 45, 5] Generated Node #0,1: 52:[61, 45, 5] Operation: 47-42=5 Exploring Operation: 45-42=3, Resulting Numbers: [61, 47, 3] Generated Node #0,2: 52:[61, 47, 3] Operation: 45-42=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[61, 47, 3], Operations: ['45-42=3'] Exploring Operation: 61-47=14, Resulting Numbers: [3, 14] Generated Node #0,2,0: 52:[3, 14] Operation: 61-47=14 Exploring Operation: 61-3=58, Resulting Numbers: [47, 58] Generated Node #0,2,1: 52:[47, 58] Operation: 61-3=58 Exploring Operation: 47+3=50, Resulting Numbers: [61, 50] Generated Node #0,2,2: 52:[61, 50] Operation: 47+3=50 Moving to Node #0,2,0 Current State: 52:[3, 14], Operations: ['45-42=3', '61-47=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[47, 58], Operations: ['45-42=3', '61-3=58'] Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,52 unequal: No Solution Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[61, 50], Operations: ['45-42=3', '47+3=50'] Exploring Operation: 61+50=111, Resulting Numbers: [111] 111,52 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 61*50=3050, Resulting Numbers: [3050] 3050,52 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: 52:[61, 45, 5], Operations: ['47-42=5'] Exploring Operation: 45+5=50, Resulting Numbers: [61, 50] Generated Node #0,1,0: 52:[61, 50] Operation: 45+5=50 Exploring Operation: 61-45=16, Resulting Numbers: [5, 16] Generated Node #0,1,1: 52:[5, 16] Operation: 61-45=16 Exploring Operation: 61-5=56, Resulting Numbers: [45, 56] Generated Node #0,1,2: 52:[45, 56] Operation: 61-5=56 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[5, 16], Operations: ['47-42=5', '61-45=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,52 unequal: No Solution Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,52 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: 52:[61, 50], Operations: ['47-42=5', '45+5=50'] Exploring Operation: 61+50=111, Resulting Numbers: [111] 111,52 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 61*50=3050, Resulting Numbers: [3050] 3050,52 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: 52:[45, 56], Operations: ['47-42=5', '61-5=56'] Exploring Operation: 45+56=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 45*56=2520, Resulting Numbers: [2520] 2520,52 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: 52:[47, 45, 19], Operations: ['61-42=19'] Exploring Operation: 45-19=26, Resulting Numbers: [47, 26] Generated Node #0,0,0: 52:[47, 26] Operation: 45-19=26 Exploring Operation: 47-45=2, Resulting Numbers: [19, 2] Generated Node #0,0,1: 52:[19, 2] Operation: 47-45=2 Exploring Operation: 47-19=28, Resulting Numbers: [45, 28] Generated Node #0,0,2: 52:[45, 28] Operation: 47-19=28 Moving to Node #0,0,0 Current State: 52:[47, 26], Operations: ['61-42=19', '45-19=26'] Exploring Operation: 47*26=1222, Resulting Numbers: [1222] 1222,52 unequal: No Solution Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[19, 2], Operations: ['61-42=19', '47-45=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[45, 28], Operations: ['61-42=19', '47-19=28'] Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 45*28=1260, Resulting Numbers: [1260] 1260,52 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
[ 2, 43, 40, 16 ]
17
[ "43-2=41", "40-16=24", "41-24=17" ]
Current State: 17:[2, 43, 40, 16], Operations: [] Exploring Operation: 43-2=41, Resulting Numbers: [40, 16, 41] Generated Node #2: [40, 16, 41] from Operation: 43-2=41 Current State: 17:[40, 16, 41], Operations: ['43-2=41'] Exploring Operation: 40-16=24, Resulting Numbers: [41, 24] Generated Node #3: [41, 24] from Operation: 40-16=24 Current State: 17:[41, 24], Operations: ['43-2=41', '40-16=24'] Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[2, 43, 40, 16], Operations: [] Exploring Operation: 40/2=20, Resulting Numbers: [43, 16, 20] Generated Node #0,0: 17:[43, 16, 20] Operation: 40/2=20 Moving to Node #0,0 Current State: 17:[43, 16, 20], Operations: ['40/2=20'] Exploring Operation: 43-20=23, Resulting Numbers: [16, 23] Generated Node #0,0,0: 17:[16, 23] Operation: 43-20=23 Moving to Node #0,0,0 Current State: 17:[16, 23], Operations: ['40/2=20', '43-20=23'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,17 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 85, 24, 82, 37 ]
45
[ "85-82=3", "24/3=8", "37+8=45" ]
Current State: 45:[85, 24, 82, 37], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [24, 37, 3] Generated Node #2: [24, 37, 3] from Operation: 85-82=3 Current State: 45:[24, 37, 3], Operations: ['85-82=3'] Exploring Operation: 24/3=8, Resulting Numbers: [37, 8] Generated Node #3: [37, 8] from Operation: 24/3=8 Current State: 45:[37, 8], Operations: ['85-82=3', '24/3=8'] Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[85, 24, 82, 37], Operations: [] Exploring Operation: 82-37=45, Resulting Numbers: [85, 24, 45] Generated Node #0,0: 45:[85, 24, 45] Operation: 82-37=45 Exploring Operation: 85-82=3, Resulting Numbers: [24, 37, 3] Generated Node #0,1: 45:[24, 37, 3] Operation: 85-82=3 Exploring Operation: 85-24=61, Resulting Numbers: [82, 37, 61] Generated Node #0,2: 45:[82, 37, 61] Operation: 85-24=61 Exploring Operation: 85-37=48, Resulting Numbers: [24, 82, 48] Generated Node #0,3: 45:[24, 82, 48] Operation: 85-37=48 Moving to Node #0,1 Current State: 45:[24, 37, 3], Operations: ['85-82=3'] Exploring Operation: 37-24=13, Resulting Numbers: [3, 13] Generated Node #0,1,0: 45:[3, 13] Operation: 37-24=13 Exploring Operation: 37+3=40, Resulting Numbers: [24, 40] Generated Node #0,1,1: 45:[24, 40] Operation: 37+3=40 Exploring Operation: 24-3=21, Resulting Numbers: [37, 21] Generated Node #0,1,2: 45:[37, 21] Operation: 24-3=21 Exploring Operation: 24/3=8, Resulting Numbers: [37, 8] Generated Node #0,1,3: 45:[37, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[3, 13], Operations: ['85-82=3', '37-24=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,45 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,45 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: 45:[37, 8], Operations: ['85-82=3', '24/3=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,45 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[85, 24, 82, 37], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [24, 37, 3] Generated Node #0,1: 45:[24, 37, 3] Operation: 85-82=3 Moving to Node #0,1 Current State: 45:[24, 37, 3], Operations: ['85-82=3'] Exploring Operation: 24/3=8, Resulting Numbers: [37, 8] Generated Node #0,1,3: 45:[37, 8] Operation: 24/3=8 Moving to Node #0,1,3 Current State: 45:[37, 8], Operations: ['85-82=3', '24/3=8'] Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 10, 88, 84, 7 ]
44
[ "84/7=12", "12-10=2", "88/2=44" ]
Current State: 44:[10, 88, 84, 7], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [10, 88, 12] Generated Node #2: [10, 88, 12] from Operation: 84/7=12 Current State: 44:[10, 88, 12], Operations: ['84/7=12'] Exploring Operation: 12-10=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 12-10=2 Current State: 44:[88, 2], Operations: ['84/7=12', '12-10=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[10, 88, 84, 7], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [10, 88, 12] Generated Node #0,0: 44:[10, 88, 12] Operation: 84/7=12 Exploring Operation: 88-10=78, Resulting Numbers: [84, 7, 78] Generated Node #0,1: 44:[84, 7, 78] Operation: 88-10=78 Exploring Operation: 84-10=74, Resulting Numbers: [88, 7, 74] Generated Node #0,2: 44:[88, 7, 74] Operation: 84-10=74 Exploring Operation: 88-84=4, Resulting Numbers: [10, 7, 4] Generated Node #0,3: 44:[10, 7, 4] Operation: 88-84=4 Exploring Operation: 88-7=81, Resulting Numbers: [10, 84, 81] Generated Node #0,4: 44:[10, 84, 81] Operation: 88-7=81 Moving to Node #0,3 Current State: 44:[10, 7, 4], Operations: ['88-84=4'] Exploring Operation: 10-7=3, Resulting Numbers: [4, 3] Generated Node #0,3,0: 44:[4, 3] Operation: 10-7=3 Exploring Operation: 7-4=3, Resulting Numbers: [10, 3] Generated Node #0,3,1: 44:[10, 3] Operation: 7-4=3 Exploring Operation: 10+7=17, Resulting Numbers: [4, 17] Generated Node #0,3,2: 44:[4, 17] Operation: 10+7=17 Exploring Operation: 7+4=11, Resulting Numbers: [10, 11] Generated Node #0,3,3: 44:[10, 11] Operation: 7+4=11 Exploring Operation: 10-4=6, Resulting Numbers: [7, 6] Generated Node #0,3,4: 44:[7, 6] Operation: 10-4=6 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 44:[4, 3], Operations: ['88-84=4', '10-7=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,44 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 #0,3,3 Current State: 44:[10, 11], Operations: ['88-84=4', '7+4=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,44 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,44 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 #0,3,1 Current State: 44:[10, 3], Operations: ['88-84=4', '7-4=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,44 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,44 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 #0,3,2 Current State: 44:[4, 17], Operations: ['88-84=4', '10+7=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,44 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,44 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 #0,3,4 Current State: 44:[7, 6], Operations: ['88-84=4', '10-4=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,44 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: 44:[10, 88, 12], Operations: ['84/7=12'] Exploring Operation: 88-12=76, Resulting Numbers: [10, 76] Generated Node #0,0,0: 44:[10, 76] Operation: 88-12=76 Exploring Operation: 12-10=2, Resulting Numbers: [88, 2] Generated Node #0,0,1: 44:[88, 2] Operation: 12-10=2 Exploring Operation: 10+12=22, Resulting Numbers: [88, 22] Generated Node #0,0,2: 44:[88, 22] Operation: 10+12=22 Exploring Operation: 10+88=98, Resulting Numbers: [12, 98] Generated Node #0,0,3: 44:[12, 98] Operation: 10+88=98 Exploring Operation: 88-10=78, Resulting Numbers: [12, 78] Generated Node #0,0,4: 44:[12, 78] Operation: 88-10=78 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[10, 76], Operations: ['84/7=12', '88-12=76'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,44 unequal: No Solution Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,44 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 #0,0,4 Current State: 44:[12, 78], Operations: ['84/7=12', '88-10=78'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,44 unequal: No Solution Exploring Operation: 12+78=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 12*78=936, Resulting Numbers: [936] 936,44 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 #0,0,1 Current State: 44:[88, 2], Operations: ['84/7=12', '12-10=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[10, 88, 84, 7], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [10, 88, 12] Generated Node #0,0: 44:[10, 88, 12] Operation: 84/7=12 Moving to Node #0,0 Current State: 44:[10, 88, 12], Operations: ['84/7=12'] Exploring Operation: 12-10=2, Resulting Numbers: [88, 2] Generated Node #0,0,1: 44:[88, 2] Operation: 12-10=2 Moving to Node #0,0,1 Current State: 44:[88, 2], Operations: ['84/7=12', '12-10=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 65, 30, 56, 17 ]
61
[ "30-17=13", "65/13=5", "56+5=61" ]
Current State: 61:[65, 30, 56, 17], Operations: [] Exploring Operation: 30-17=13, Resulting Numbers: [65, 56, 13] Generated Node #2: [65, 56, 13] from Operation: 30-17=13 Current State: 61:[65, 56, 13], Operations: ['30-17=13'] Exploring Operation: 65/13=5, Resulting Numbers: [56, 5] Generated Node #3: [56, 5] from Operation: 65/13=5 Current State: 61:[56, 5], Operations: ['30-17=13', '65/13=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[65, 30, 56, 17], Operations: [] Exploring Operation: 56+17=73, Resulting Numbers: [65, 30, 73] Generated Node #0,0: 61:[65, 30, 73] Operation: 56+17=73 Exploring Operation: 30+17=47, Resulting Numbers: [65, 56, 47] Generated Node #0,1: 61:[65, 56, 47] Operation: 30+17=47 Moving to Node #0,1 Current State: 61:[65, 56, 47], Operations: ['30+17=47'] Exploring Operation: 65-47=18, Resulting Numbers: [56, 18] Generated Node #0,1,0: 61:[56, 18] Operation: 65-47=18 Exploring Operation: 56+47=103, Resulting Numbers: [65, 103] Generated Node #0,1,1: 61:[65, 103] Operation: 56+47=103 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[65, 103], Operations: ['30+17=47', '56+47=103'] Exploring Operation: 65+103=168, Resulting Numbers: [168] 168,61 unequal: No Solution Exploring Operation: 103-65=38, Resulting Numbers: [38] 38,61 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: 61:[56, 18], Operations: ['30+17=47', '65-47=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,61 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: 61:[65, 30, 73], Operations: ['56+17=73'] Exploring Operation: 65-30=35, Resulting Numbers: [73, 35] Generated Node #0,0,0: 61:[73, 35] Operation: 65-30=35 Exploring Operation: 73-30=43, Resulting Numbers: [65, 43] Generated Node #0,0,1: 61:[65, 43] Operation: 73-30=43 Moving to Node #0,0,1 Current State: 61:[65, 43], Operations: ['56+17=73', '73-30=43'] Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[73, 35], Operations: ['56+17=73', '65-30=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 54, 48, 20 ]
80
[ "24*20=480", "54-48=6", "480/6=80" ]
Current State: 80:[24, 54, 48, 20], Operations: [] Exploring Operation: 24*20=480, Resulting Numbers: [54, 48, 480] Generated Node #2: [54, 48, 480] from Operation: 24*20=480 Current State: 80:[54, 48, 480], Operations: ['24*20=480'] Exploring Operation: 54-48=6, Resulting Numbers: [480, 6] Generated Node #3: [480, 6] from Operation: 54-48=6 Current State: 80:[480, 6], Operations: ['24*20=480', '54-48=6'] Exploring Operation: 480/6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[24, 54, 48, 20], Operations: [] Exploring Operation: 54-24=30, Resulting Numbers: [48, 20, 30] Generated Node #0,0: 80:[48, 20, 30] Operation: 54-24=30 Exploring Operation: 48-24=24, Resulting Numbers: [54, 20, 24] Generated Node #0,1: 80:[54, 20, 24] Operation: 48-24=24 Exploring Operation: 24+54=78, Resulting Numbers: [48, 20, 78] Generated Node #0,2: 80:[48, 20, 78] Operation: 24+54=78 Exploring Operation: 48/24=2, Resulting Numbers: [54, 20, 2] Generated Node #0,3: 80:[54, 20, 2] Operation: 48/24=2 Exploring Operation: 54-48=6, Resulting Numbers: [24, 20, 6] Generated Node #0,4: 80:[24, 20, 6] Operation: 54-48=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 80:[24, 20, 6], Operations: ['54-48=6'] Exploring Operation: 24/6=4, Resulting Numbers: [20, 4] Generated Node #0,4,0: 80:[20, 4] Operation: 24/6=4 Exploring Operation: 24-20=4, Resulting Numbers: [6, 4] Generated Node #0,4,1: 80:[6, 4] Operation: 24-20=4 Exploring Operation: 24-6=18, Resulting Numbers: [20, 18] Generated Node #0,4,2: 80:[20, 18] Operation: 24-6=18 Exploring Operation: 24+20=44, Resulting Numbers: [6, 44] Generated Node #0,4,3: 80:[6, 44] Operation: 24+20=44 Exploring Operation: 20-6=14, Resulting Numbers: [24, 14] Generated Node #0,4,4: 80:[24, 14] Operation: 20-6=14 Moving to Node #0,4,0 Current State: 80:[20, 4], Operations: ['54-48=6', '24/6=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[24, 54, 48, 20], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [24, 20, 6] Generated Node #0,4: 80:[24, 20, 6] Operation: 54-48=6 Moving to Node #0,4 Current State: 80:[24, 20, 6], Operations: ['54-48=6'] Exploring Operation: 24/6=4, Resulting Numbers: [20, 4] Generated Node #0,4,0: 80:[20, 4] Operation: 24/6=4 Moving to Node #0,4,0 Current State: 80:[20, 4], Operations: ['54-48=6', '24/6=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 75, 71, 68, 3 ]
26
[ "75+71=146", "146-68=78", "78/3=26" ]
Current State: 26:[75, 71, 68, 3], Operations: [] Exploring Operation: 75+71=146, Resulting Numbers: [68, 3, 146] Generated Node #2: [68, 3, 146] from Operation: 75+71=146 Current State: 26:[68, 3, 146], Operations: ['75+71=146'] Exploring Operation: 146-68=78, Resulting Numbers: [3, 78] Generated Node #3: [3, 78] from Operation: 146-68=78 Current State: 26:[3, 78], Operations: ['75+71=146', '146-68=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[75, 71, 68, 3], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [68, 3, 4] Generated Node #0,0: 26:[68, 3, 4] Operation: 75-71=4 Exploring Operation: 75-68=7, Resulting Numbers: [71, 3, 7] Generated Node #0,1: 26:[71, 3, 7] Operation: 75-68=7 Moving to Node #0,0 Current State: 26:[68, 3, 4], Operations: ['75-71=4'] Exploring Operation: 68/4=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 26:[3, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [3, 64] Generated Node #0,0,1: 26:[3, 64] Operation: 68-4=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[3, 17], Operations: ['75-71=4', '68/4=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,26 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 #0,0,1 Current State: 26:[3, 64], Operations: ['75-71=4', '68-4=64'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,26 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: 26:[71, 3, 7], Operations: ['75-68=7'] Exploring Operation: 71-7=64, Resulting Numbers: [3, 64] Generated Node #0,1,0: 26:[3, 64] Operation: 71-7=64 Exploring Operation: 71-3=68, Resulting Numbers: [7, 68] Generated Node #0,1,1: 26:[7, 68] Operation: 71-3=68 Moving to Node #0,1,0 Current State: 26:[3, 64], Operations: ['75-68=7', '71-7=64'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[7, 68], Operations: ['75-68=7', '71-3=68'] Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 15, 71, 81, 9 ]
60
[ "15-9=6", "81-71=10", "6*10=60" ]
Current State: 60:[15, 71, 81, 9], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [71, 81, 6] Generated Node #2: [71, 81, 6] from Operation: 15-9=6 Current State: 60:[71, 81, 6], Operations: ['15-9=6'] Exploring Operation: 81-71=10, Resulting Numbers: [6, 10] Generated Node #3: [6, 10] from Operation: 81-71=10 Current State: 60:[6, 10], Operations: ['15-9=6', '81-71=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[15, 71, 81, 9], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [15, 9, 10] Generated Node #0,0: 60:[15, 9, 10] Operation: 81-71=10 Exploring Operation: 81-15=66, Resulting Numbers: [71, 9, 66] Generated Node #0,1: 60:[71, 9, 66] Operation: 81-15=66 Exploring Operation: 81/9=9, Resulting Numbers: [15, 71, 9] Generated Node #0,2: 60:[15, 71, 9] Operation: 81/9=9 Exploring Operation: 81-9=72, Resulting Numbers: [15, 71, 72] Generated Node #0,3: 60:[15, 71, 72] Operation: 81-9=72 Exploring Operation: 71-9=62, Resulting Numbers: [15, 81, 62] Generated Node #0,4: 60:[15, 81, 62] Operation: 71-9=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[15, 9, 10], Operations: ['81-71=10'] Exploring Operation: 10-9=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 60:[15, 1] Operation: 10-9=1 Exploring Operation: 15-10=5, Resulting Numbers: [9, 5] Generated Node #0,0,1: 60:[9, 5] Operation: 15-10=5 Exploring Operation: 15+9=24, Resulting Numbers: [10, 24] Generated Node #0,0,2: 60:[10, 24] Operation: 15+9=24 Exploring Operation: 9+10=19, Resulting Numbers: [15, 19] Generated Node #0,0,3: 60:[15, 19] Operation: 9+10=19 Exploring Operation: 15-9=6, Resulting Numbers: [10, 6] Generated Node #0,0,4: 60:[10, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 60:[10, 6], Operations: ['81-71=10', '15-9=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[15, 71, 81, 9], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [15, 9, 10] Generated Node #0,0: 60:[15, 9, 10] Operation: 81-71=10 Moving to Node #0,0 Current State: 60:[15, 9, 10], Operations: ['81-71=10'] Exploring Operation: 15-9=6, Resulting Numbers: [10, 6] Generated Node #0,0,4: 60:[10, 6] Operation: 15-9=6 Moving to Node #0,0,4 Current State: 60:[10, 6], Operations: ['81-71=10', '15-9=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 7, 84, 38, 62 ]
36
[ "84/7=12", "62-38=24", "12+24=36" ]
Current State: 36:[7, 84, 38, 62], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [38, 62, 12] Generated Node #2: [38, 62, 12] from Operation: 84/7=12 Current State: 36:[38, 62, 12], Operations: ['84/7=12'] Exploring Operation: 62-38=24, Resulting Numbers: [12, 24] Generated Node #3: [12, 24] from Operation: 62-38=24 Current State: 36:[12, 24], Operations: ['84/7=12', '62-38=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[7, 84, 38, 62], Operations: [] Exploring Operation: 84-38=46, Resulting Numbers: [7, 62, 46] Generated Node #0,0: 36:[7, 62, 46] Operation: 84-38=46 Exploring Operation: 84-7=77, Resulting Numbers: [38, 62, 77] Generated Node #0,1: 36:[38, 62, 77] Operation: 84-7=77 Exploring Operation: 84/7=12, Resulting Numbers: [38, 62, 12] Generated Node #0,2: 36:[38, 62, 12] Operation: 84/7=12 Exploring Operation: 62-38=24, Resulting Numbers: [7, 84, 24] Generated Node #0,3: 36:[7, 84, 24] Operation: 62-38=24 Exploring Operation: 84-62=22, Resulting Numbers: [7, 38, 22] Generated Node #0,4: 36:[7, 38, 22] Operation: 84-62=22 Moving to Node #0,4 Current State: 36:[7, 38, 22], Operations: ['84-62=22'] Exploring Operation: 22-7=15, Resulting Numbers: [38, 15] Generated Node #0,4,0: 36:[38, 15] Operation: 22-7=15 Exploring Operation: 7+22=29, Resulting Numbers: [38, 29] Generated Node #0,4,1: 36:[38, 29] Operation: 7+22=29 Exploring Operation: 7+38=45, Resulting Numbers: [22, 45] Generated Node #0,4,2: 36:[22, 45] Operation: 7+38=45 Exploring Operation: 38-7=31, Resulting Numbers: [22, 31] Generated Node #0,4,3: 36:[22, 31] Operation: 38-7=31 Exploring Operation: 38-22=16, Resulting Numbers: [7, 16] Generated Node #0,4,4: 36:[7, 16] Operation: 38-22=16 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 36:[7, 16], Operations: ['84-62=22', '38-22=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,36 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: 36:[38, 15], Operations: ['84-62=22', '22-7=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 38*15=570, Resulting Numbers: [570] 570,36 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: 36:[38, 29], Operations: ['84-62=22', '7+22=29'] Exploring Operation: 38+29=67, Resulting Numbers: [67] 67,36 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 38*29=1102, Resulting Numbers: [1102] 1102,36 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: 36:[22, 31], Operations: ['84-62=22', '38-7=31'] Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 22*31=682, Resulting Numbers: [682] 682,36 unequal: No Solution Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,36 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: 36:[22, 45], Operations: ['84-62=22', '7+38=45'] Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,36 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,36 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: 36:[38, 62, 12], Operations: ['84/7=12'] Exploring Operation: 62+12=74, Resulting Numbers: [38, 74] Generated Node #0,2,0: 36:[38, 74] Operation: 62+12=74 Exploring Operation: 62-38=24, Resulting Numbers: [12, 24] Generated Node #0,2,1: 36:[12, 24] Operation: 62-38=24 Exploring Operation: 38-12=26, Resulting Numbers: [62, 26] Generated Node #0,2,2: 36:[62, 26] Operation: 38-12=26 Exploring Operation: 38+12=50, Resulting Numbers: [62, 50] Generated Node #0,2,3: 36:[62, 50] Operation: 38+12=50 Exploring Operation: 62-12=50, Resulting Numbers: [38, 50] Generated Node #0,2,4: 36:[38, 50] Operation: 62-12=50 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[12, 24], Operations: ['84/7=12', '62-38=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[7, 84, 38, 62], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [38, 62, 12] Generated Node #0,2: 36:[38, 62, 12] Operation: 84/7=12 Moving to Node #0,2 Current State: 36:[38, 62, 12], Operations: ['84/7=12'] Exploring Operation: 62-38=24, Resulting Numbers: [12, 24] Generated Node #0,2,1: 36:[12, 24] Operation: 62-38=24 Moving to Node #0,2,1 Current State: 36:[12, 24], Operations: ['84/7=12', '62-38=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 93, 54, 16, 58 ]
97
[ "58-54=4", "16/4=4", "93+4=97" ]
Current State: 97:[93, 54, 16, 58], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [93, 16, 4] Generated Node #2: [93, 16, 4] from Operation: 58-54=4 Current State: 97:[93, 16, 4], Operations: ['58-54=4'] Exploring Operation: 16/4=4, Resulting Numbers: [93, 4] Generated Node #3: [93, 4] from Operation: 16/4=4 Current State: 97:[93, 4], Operations: ['58-54=4', '16/4=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[93, 54, 16, 58], Operations: [] Exploring Operation: 93+16=109, Resulting Numbers: [54, 58, 109] Generated Node #0,0: 97:[54, 58, 109] Operation: 93+16=109 Exploring Operation: 54+58=112, Resulting Numbers: [93, 16, 112] Generated Node #0,1: 97:[93, 16, 112] Operation: 54+58=112 Exploring Operation: 16+58=74, Resulting Numbers: [93, 54, 74] Generated Node #0,2: 97:[93, 54, 74] Operation: 16+58=74 Exploring Operation: 54+16=70, Resulting Numbers: [93, 58, 70] Generated Node #0,3: 97:[93, 58, 70] Operation: 54+16=70 Moving to Node #0,2 Current State: 97:[93, 54, 74], Operations: ['16+58=74'] Exploring Operation: 93+54=147, Resulting Numbers: [74, 147] Generated Node #0,2,0: 97:[74, 147] Operation: 93+54=147 Exploring Operation: 74-54=20, Resulting Numbers: [93, 20] Generated Node #0,2,1: 97:[93, 20] Operation: 74-54=20 Exploring Operation: 93-54=39, Resulting Numbers: [74, 39] Generated Node #0,2,2: 97:[74, 39] Operation: 93-54=39 Exploring Operation: 54+74=128, Resulting Numbers: [93, 128] Generated Node #0,2,3: 97:[93, 128] Operation: 54+74=128 Moving to Node #0,3 Current State: 97:[93, 58, 70], Operations: ['54+16=70'] Exploring Operation: 93-58=35, Resulting Numbers: [70, 35] Generated Node #0,3,0: 97:[70, 35] Operation: 93-58=35 Exploring Operation: 93+58=151, Resulting Numbers: [70, 151] Generated Node #0,3,1: 97:[70, 151] Operation: 93+58=151 Exploring Operation: 58+70=128, Resulting Numbers: [93, 128] Generated Node #0,3,2: 97:[93, 128] Operation: 58+70=128 Exploring Operation: 70-58=12, Resulting Numbers: [93, 12] Generated Node #0,3,3: 97:[93, 12] Operation: 70-58=12 Moving to Node #0,0 Current State: 97:[54, 58, 109], Operations: ['93+16=109'] Exploring Operation: 109-54=55, Resulting Numbers: [58, 55] Generated Node #0,0,0: 97:[58, 55] Operation: 109-54=55 Exploring Operation: 58-54=4, Resulting Numbers: [109, 4] Generated Node #0,0,1: 97:[109, 4] Operation: 58-54=4 Exploring Operation: 54+58=112, Resulting Numbers: [109, 112] Generated Node #0,0,2: 97:[109, 112] Operation: 54+58=112 Exploring Operation: 109-58=51, Resulting Numbers: [54, 51] Generated Node #0,0,3: 97:[54, 51] Operation: 109-58=51 Moving to Node #0,1 Current State: 97:[93, 16, 112], Operations: ['54+58=112'] Exploring Operation: 112-16=96, Resulting Numbers: [93, 96] Generated Node #0,1,0: 97:[93, 96] Operation: 112-16=96 Exploring Operation: 93-16=77, Resulting Numbers: [112, 77] Generated Node #0,1,1: 97:[112, 77] Operation: 93-16=77 Exploring Operation: 16+112=128, Resulting Numbers: [93, 128] Generated Node #0,1,2: 97:[93, 128] Operation: 16+112=128 Exploring Operation: 93+16=109, Resulting Numbers: [112, 109] Generated Node #0,1,3: 97:[112, 109] Operation: 93+16=109 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[93, 96], Operations: ['54+58=112', '112-16=96'] Exploring Operation: 96-93=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 93+96=189, Resulting Numbers: [189] 189,97 unequal: No Solution Exploring Operation: 93*96=8928, Resulting Numbers: [8928] 8928,97 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 #0,1,3 Current State: 97:[112, 109], Operations: ['54+58=112', '93+16=109'] Exploring Operation: 112-109=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 112+109=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 112*109=12208, Resulting Numbers: [12208] 12208,97 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:[112, 77], Operations: ['54+58=112', '93-16=77'] Exploring Operation: 112-77=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 112+77=189, Resulting Numbers: [189] 189,97 unequal: No Solution Exploring Operation: 112*77=8624, Resulting Numbers: [8624] 8624,97 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:[93, 128], Operations: ['54+58=112', '16+112=128'] Exploring Operation: 93*128=11904, Resulting Numbers: [11904] 11904,97 unequal: No Solution Exploring Operation: 128-93=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 93+128=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 #0,0,2 Current State: 97:[109, 112], Operations: ['93+16=109', '54+58=112'] Exploring Operation: 112-109=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 109+112=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 109*112=12208, Resulting Numbers: [12208] 12208,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[93, 128], Operations: ['16+58=74', '54+74=128'] Exploring Operation: 93*128=11904, Resulting Numbers: [11904] 11904,97 unequal: No Solution Exploring Operation: 93+128=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 128-93=35, Resulting Numbers: [35] 35,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[93, 128], Operations: ['54+16=70', '58+70=128'] Exploring Operation: 93+128=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 128-93=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 93*128=11904, Resulting Numbers: [11904] 11904,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[74, 147], Operations: ['16+58=74', '93+54=147'] Exploring Operation: 147-74=73, Resulting Numbers: [73] 73,97 unequal: No Solution Exploring Operation: 74*147=10878, Resulting Numbers: [10878] 10878,97 unequal: No Solution Exploring Operation: 74+147=221, Resulting Numbers: [221] 221,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[93, 20], Operations: ['16+58=74', '74-54=20'] Exploring Operation: 93+20=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,97 unequal: No Solution Exploring Operation: 93*20=1860, Resulting Numbers: [1860] 1860,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[70, 151], Operations: ['54+16=70', '93+58=151'] Exploring Operation: 70*151=10570, Resulting Numbers: [10570] 10570,97 unequal: No Solution Exploring Operation: 151-70=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 70+151=221, Resulting Numbers: [221] 221,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[58, 55], Operations: ['93+16=109', '109-54=55'] Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,97 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[74, 39], Operations: ['16+58=74', '93-54=39'] Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 74*39=2886, Resulting Numbers: [2886] 2886,97 unequal: No Solution Exploring Operation: 74+39=113, Resulting Numbers: [113] 113,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[70, 35], Operations: ['54+16=70', '93-58=35'] Exploring Operation: 70*35=2450, Resulting Numbers: [2450] 2450,97 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[54, 51], Operations: ['93+16=109', '109-58=51'] Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 54*51=2754, Resulting Numbers: [2754] 2754,97 unequal: No Solution Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[93, 12], Operations: ['54+16=70', '70-58=12'] Exploring Operation: 93+12=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 93*12=1116, Resulting Numbers: [1116] 1116,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[109, 4], Operations: ['93+16=109', '58-54=4'] Exploring Operation: 109*4=436, Resulting Numbers: [436] 436,97 unequal: No Solution Exploring Operation: 109+4=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 109-4=105, Resulting Numbers: [105] 105,97 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 66, 30, 5, 23 ]
18
[ "66-30=36", "23-5=18", "36-18=18" ]
Current State: 18:[66, 30, 5, 23], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [5, 23, 36] Generated Node #2: [5, 23, 36] from Operation: 66-30=36 Current State: 18:[5, 23, 36], Operations: ['66-30=36'] Exploring Operation: 23-5=18, Resulting Numbers: [36, 18] Generated Node #3: [36, 18] from Operation: 23-5=18 Current State: 18:[36, 18], Operations: ['66-30=36', '23-5=18'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[66, 30, 5, 23], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [5, 23, 36] Generated Node #0,0: 18:[5, 23, 36] Operation: 66-30=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[5, 23, 36], Operations: ['66-30=36'] Exploring Operation: 36-23=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 18:[5, 13] Operation: 36-23=13 Moving to Node #0,0,0 Current State: 18:[5, 13], Operations: ['66-30=36', '36-23=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[66, 30, 5, 23], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [5, 23, 36] Generated Node #0,0: 18:[5, 23, 36] Operation: 66-30=36 Moving to Node #0,0 Current State: 18:[5, 23, 36], Operations: ['66-30=36'] Exploring Operation: 36-23=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 18:[5, 13] Operation: 36-23=13 Moving to Node #0,0,0 Current State: 18:[5, 13], Operations: ['66-30=36', '36-23=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 25, 11, 19, 92 ]
75
[ "25+11=36", "19+92=111", "111-36=75" ]
Current State: 75:[25, 11, 19, 92], Operations: [] Exploring Operation: 25+11=36, Resulting Numbers: [19, 92, 36] Generated Node #2: [19, 92, 36] from Operation: 25+11=36 Current State: 75:[19, 92, 36], Operations: ['25+11=36'] Exploring Operation: 19+92=111, Resulting Numbers: [36, 111] Generated Node #3: [36, 111] from Operation: 19+92=111 Current State: 75:[36, 111], Operations: ['25+11=36', '19+92=111'] Exploring Operation: 111-36=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[25, 11, 19, 92], Operations: [] Exploring Operation: 92-25=67, Resulting Numbers: [11, 19, 67] Generated Node #0,0: 75:[11, 19, 67] Operation: 92-25=67 Exploring Operation: 92-19=73, Resulting Numbers: [25, 11, 73] Generated Node #0,1: 75:[25, 11, 73] Operation: 92-19=73 Exploring Operation: 92-11=81, Resulting Numbers: [25, 19, 81] Generated Node #0,2: 75:[25, 19, 81] Operation: 92-11=81 Moving to Node #0,1 Current State: 75:[25, 11, 73], Operations: ['92-19=73'] Exploring Operation: 25+11=36, Resulting Numbers: [73, 36] Generated Node #0,1,0: 75:[73, 36] Operation: 25+11=36 Exploring Operation: 11+73=84, Resulting Numbers: [25, 84] Generated Node #0,1,1: 75:[25, 84] Operation: 11+73=84 Exploring Operation: 25-11=14, Resulting Numbers: [73, 14] Generated Node #0,1,2: 75:[73, 14] Operation: 25-11=14 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[73, 14], Operations: ['92-19=73', '25-11=14'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 73*14=1022, Resulting Numbers: [1022] 1022,75 unequal: No Solution Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,75 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: 75:[25, 84], Operations: ['92-19=73', '11+73=84'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 25*84=2100, Resulting Numbers: [2100] 2100,75 unequal: No Solution Exploring Operation: 25+84=109, Resulting Numbers: [109] 109,75 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: 75:[73, 36], Operations: ['92-19=73', '25+11=36'] Exploring Operation: 73*36=2628, Resulting Numbers: [2628] 2628,75 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 73+36=109, Resulting Numbers: [109] 109,75 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: 75:[25, 19, 81], Operations: ['92-11=81'] Exploring Operation: 81-25=56, Resulting Numbers: [19, 56] Generated Node #0,2,0: 75:[19, 56] Operation: 81-25=56 Exploring Operation: 81-19=62, Resulting Numbers: [25, 62] Generated Node #0,2,1: 75:[25, 62] Operation: 81-19=62 Exploring Operation: 25-19=6, Resulting Numbers: [81, 6] Generated Node #0,2,2: 75:[81, 6] Operation: 25-19=6 Moving to Node #0,0 Current State: 75:[11, 19, 67], Operations: ['92-25=67'] Exploring Operation: 11+67=78, Resulting Numbers: [19, 78] Generated Node #0,0,0: 75:[19, 78] Operation: 11+67=78 Exploring Operation: 19-11=8, Resulting Numbers: [67, 8] Generated Node #0,0,1: 75:[67, 8] Operation: 19-11=8 Exploring Operation: 11+19=30, Resulting Numbers: [67, 30] Generated Node #0,0,2: 75:[67, 30] Operation: 11+19=30 Moving to Node #0,2,2 Current State: 75:[81, 6], Operations: ['92-11=81', '25-19=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[25, 11, 19, 92], Operations: [] Exploring Operation: 92-11=81, Resulting Numbers: [25, 19, 81] Generated Node #0,2: 75:[25, 19, 81] Operation: 92-11=81 Moving to Node #0,2 Current State: 75:[25, 19, 81], Operations: ['92-11=81'] Exploring Operation: 25-19=6, Resulting Numbers: [81, 6] Generated Node #0,2,2: 75:[81, 6] Operation: 25-19=6 Moving to Node #0,2,2 Current State: 75:[81, 6], Operations: ['92-11=81', '25-19=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 15, 60, 63, 16 ]
20
[ "63-15=48", "60*16=960", "960/48=20" ]
Current State: 20:[15, 60, 63, 16], Operations: [] Exploring Operation: 63-15=48, Resulting Numbers: [60, 16, 48] Generated Node #2: [60, 16, 48] from Operation: 63-15=48 Current State: 20:[60, 16, 48], Operations: ['63-15=48'] Exploring Operation: 60*16=960, Resulting Numbers: [48, 960] Generated Node #3: [48, 960] from Operation: 60*16=960 Current State: 20:[48, 960], Operations: ['63-15=48', '60*16=960'] Exploring Operation: 960/48=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[15, 60, 63, 16], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [63, 16, 4] Generated Node #0,0: 20:[63, 16, 4] Operation: 60/15=4 Exploring Operation: 63-60=3, Resulting Numbers: [15, 16, 3] Generated Node #0,1: 20:[15, 16, 3] Operation: 63-60=3 Exploring Operation: 60-15=45, Resulting Numbers: [63, 16, 45] Generated Node #0,2: 20:[63, 16, 45] Operation: 60-15=45 Exploring Operation: 63-15=48, Resulting Numbers: [60, 16, 48] Generated Node #0,3: 20:[60, 16, 48] Operation: 63-15=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[15, 16, 3], Operations: ['63-60=3'] Exploring Operation: 15-3=12, Resulting Numbers: [16, 12] Generated Node #0,1,0: 20:[16, 12] Operation: 15-3=12 Exploring Operation: 16-15=1, Resulting Numbers: [3, 1] Generated Node #0,1,1: 20:[3, 1] Operation: 16-15=1 Exploring Operation: 15/3=5, Resulting Numbers: [16, 5] Generated Node #0,1,2: 20:[16, 5] Operation: 15/3=5 Exploring Operation: 15+3=18, Resulting Numbers: [16, 18] Generated Node #0,1,3: 20:[16, 18] Operation: 15+3=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[3, 1], Operations: ['63-60=3', '16-15=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,20 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: 20:[16, 5], Operations: ['63-60=3', '15/3=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,20 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,20 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: 20:[16, 12], Operations: ['63-60=3', '15-3=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,20 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,20 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: 20:[16, 18], Operations: ['63-60=3', '15+3=18'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,20 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: 20:[63, 16, 4], Operations: ['60/15=4'] Exploring Operation: 16/4=4, Resulting Numbers: [63, 4] Generated Node #0,0,0: 20:[63, 4] Operation: 16/4=4 Exploring Operation: 63-4=59, Resulting Numbers: [16, 59] Generated Node #0,0,1: 20:[16, 59] Operation: 63-4=59 Exploring Operation: 16+4=20, Resulting Numbers: [63, 20] Generated Node #0,0,2: 20:[63, 20] Operation: 16+4=20 Exploring Operation: 63-16=47, Resulting Numbers: [4, 47] Generated Node #0,0,3: 20:[4, 47] Operation: 63-16=47 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[4, 47], Operations: ['60/15=4', '63-16=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,20 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: 20:[63, 4], Operations: ['60/15=4', '16/4=4'] Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,20 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,20 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: 20:[16, 59], Operations: ['60/15=4', '63-4=59'] Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,20 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,20 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,20 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: 20:[63, 20], Operations: ['60/15=4', '16+4=20'] Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,20 unequal: No Solution Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,20 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: 20:[63, 16, 45], Operations: ['60-15=45'] Exploring Operation: 45-16=29, Resulting Numbers: [63, 29] Generated Node #0,2,0: 20:[63, 29] Operation: 45-16=29 Exploring Operation: 63-45=18, Resulting Numbers: [16, 18] Generated Node #0,2,1: 20:[16, 18] Operation: 63-45=18 Exploring Operation: 63-16=47, Resulting Numbers: [45, 47] Generated Node #0,2,2: 20:[45, 47] Operation: 63-16=47 Exploring Operation: 63+16=79, Resulting Numbers: [45, 79] Generated Node #0,2,3: 20:[45, 79] Operation: 63+16=79 Moving to Node #0,2,1 Current State: 20:[16, 18], Operations: ['60-15=45', '63-45=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[45, 47], Operations: ['60-15=45', '63-16=47'] Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,20 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[63, 29], Operations: ['60-15=45', '45-16=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,20 unequal: No Solution Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[45, 79], Operations: ['60-15=45', '63+16=79'] Exploring Operation: 79-45=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 45*79=3555, Resulting Numbers: [3555] 3555,20 unequal: No Solution Exploring Operation: 45+79=124, Resulting Numbers: [124] 124,20 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: 20:[60, 16, 48], Operations: ['63-15=48'] Exploring Operation: 48-16=32, Resulting Numbers: [60, 32] Generated Node #0,3,0: 20:[60, 32] Operation: 48-16=32 Exploring Operation: 60-16=44, Resulting Numbers: [48, 44] Generated Node #0,3,1: 20:[48, 44] Operation: 60-16=44 Exploring Operation: 60-48=12, Resulting Numbers: [16, 12] Generated Node #0,3,2: 20:[16, 12] Operation: 60-48=12 Exploring Operation: 48/16=3, Resulting Numbers: [60, 3] Generated Node #0,3,3: 20:[60, 3] Operation: 48/16=3 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[16, 12], Operations: ['63-15=48', '60-48=12'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,20 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,20 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: 20:[60, 3], Operations: ['63-15=48', '48/16=3'] Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,20 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[15, 60, 63, 16], Operations: [] Exploring Operation: 63-15=48, Resulting Numbers: [60, 16, 48] Generated Node #0,3: 20:[60, 16, 48] Operation: 63-15=48 Moving to Node #0,3 Current State: 20:[60, 16, 48], Operations: ['63-15=48'] Exploring Operation: 48/16=3, Resulting Numbers: [60, 3] Generated Node #0,3,3: 20:[60, 3] Operation: 48/16=3 Moving to Node #0,3,3 Current State: 20:[60, 3], Operations: ['63-15=48', '48/16=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940972
hs_4
mult_heuristic
[ 95, 83, 92, 15 ]
88
[ "95-83=12", "15*12=180", "180-92=88" ]
Current State: 88:[95, 83, 92, 15], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [92, 15, 12] Generated Node #2: [92, 15, 12] from Operation: 95-83=12 Current State: 88:[92, 15, 12], Operations: ['95-83=12'] Exploring Operation: 15*12=180, Resulting Numbers: [92, 180] Generated Node #3: [92, 180] from Operation: 15*12=180 Current State: 88:[92, 180], Operations: ['95-83=12', '15*12=180'] Exploring Operation: 180-92=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[95, 83, 92, 15], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [83, 15, 3] Generated Node #0,0: 88:[83, 15, 3] Operation: 95-92=3 Exploring Operation: 95-83=12, Resulting Numbers: [92, 15, 12] Generated Node #0,1: 88:[92, 15, 12] Operation: 95-83=12 Moving to Node #0,1 Current State: 88:[92, 15, 12], Operations: ['95-83=12'] Exploring Operation: 15+12=27, Resulting Numbers: [92, 27] Generated Node #0,1,0: 88:[92, 27] Operation: 15+12=27 Exploring Operation: 15-12=3, Resulting Numbers: [92, 3] Generated Node #0,1,1: 88:[92, 3] Operation: 15-12=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[92, 3], Operations: ['95-83=12', '15-12=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,88 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: 88:[92, 27], Operations: ['95-83=12', '15+12=27'] Exploring Operation: 92+27=119, Resulting Numbers: [119] 119,88 unequal: No Solution Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,88 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: 88:[83, 15, 3], Operations: ['95-92=3'] Exploring Operation: 15*3=45, Resulting Numbers: [83, 45] Generated Node #0,0,0: 88:[83, 45] Operation: 15*3=45 Exploring Operation: 83+3=86, Resulting Numbers: [15, 86] Generated Node #0,0,1: 88:[15, 86] Operation: 83+3=86 Moving to Node #0,0,0 Current State: 88:[83, 45], Operations: ['95-92=3', '15*3=45'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[15, 86], Operations: ['95-92=3', '83+3=86'] Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,88 unequal: No Solution Exploring Operation: 15+86=101, Resulting Numbers: [101] 101,88 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 96, 68, 16, 82 ]
14
[ "96+68=164", "164/82=2", "16-2=14" ]
Current State: 14:[96, 68, 16, 82], Operations: [] Exploring Operation: 96+68=164, Resulting Numbers: [16, 82, 164] Generated Node #2: [16, 82, 164] from Operation: 96+68=164 Current State: 14:[16, 82, 164], Operations: ['96+68=164'] Exploring Operation: 164/82=2, Resulting Numbers: [16, 2] Generated Node #3: [16, 2] from Operation: 164/82=2 Current State: 14:[16, 2], Operations: ['96+68=164', '164/82=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[96, 68, 16, 82], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [68, 16, 14] Generated Node #0,0: 14:[68, 16, 14] Operation: 96-82=14 Exploring Operation: 96/16=6, Resulting Numbers: [68, 82, 6] Generated Node #0,1: 14:[68, 82, 6] Operation: 96/16=6 Exploring Operation: 82-68=14, Resulting Numbers: [96, 16, 14] Generated Node #0,2: 14:[96, 16, 14] Operation: 82-68=14 Exploring Operation: 96-68=28, Resulting Numbers: [16, 82, 28] Generated Node #0,3: 14:[16, 82, 28] Operation: 96-68=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[68, 16, 14], Operations: ['96-82=14'] Exploring Operation: 68-16=52, Resulting Numbers: [14, 52] Generated Node #0,0,0: 14:[14, 52] Operation: 68-16=52 Exploring Operation: 68+16=84, Resulting Numbers: [14, 84] Generated Node #0,0,1: 14:[14, 84] Operation: 68+16=84 Exploring Operation: 16-14=2, Resulting Numbers: [68, 2] Generated Node #0,0,2: 14:[68, 2] Operation: 16-14=2 Exploring Operation: 68-14=54, Resulting Numbers: [16, 54] Generated Node #0,0,3: 14:[16, 54] Operation: 68-14=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[14, 52], Operations: ['96-82=14', '68-16=52'] Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,14 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: 14:[16, 54], Operations: ['96-82=14', '68-14=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,14 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,14 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,14 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: 14:[68, 2], Operations: ['96-82=14', '16-14=2'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,14 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,14 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: 14:[14, 84], Operations: ['96-82=14', '68+16=84'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,14 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,14 unequal: No Solution Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,14 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,14 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: 14:[96, 16, 14], Operations: ['82-68=14'] Exploring Operation: 96/16=6, Resulting Numbers: [14, 6] Generated Node #0,2,0: 14:[14, 6] Operation: 96/16=6 Exploring Operation: 96-16=80, Resulting Numbers: [14, 80] Generated Node #0,2,1: 14:[14, 80] Operation: 96-16=80 Exploring Operation: 96-14=82, Resulting Numbers: [16, 82] Generated Node #0,2,2: 14:[16, 82] Operation: 96-14=82 Exploring Operation: 16-14=2, Resulting Numbers: [96, 2] Generated Node #0,2,3: 14:[96, 2] Operation: 16-14=2 Moving to Node #0,2,0 Current State: 14:[14, 6], Operations: ['82-68=14', '96/16=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[14, 80], Operations: ['82-68=14', '96-16=80'] Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,14 unequal: No Solution Exploring Operation: 14*80=1120, Resulting Numbers: [1120] 1120,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[16, 82], Operations: ['82-68=14', '96-14=82'] Exploring Operation: 16+82=98, Resulting Numbers: [98] 98,14 unequal: No Solution Exploring Operation: 16*82=1312, Resulting Numbers: [1312] 1312,14 unequal: No Solution Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[96, 2], Operations: ['82-68=14', '16-14=2'] Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,14 unequal: No Solution Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,14 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,14 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 #0,3 Current State: 14:[16, 82, 28], Operations: ['96-68=28'] Exploring Operation: 82-16=66, Resulting Numbers: [28, 66] Generated Node #0,3,0: 14:[28, 66] Operation: 82-16=66 Exploring Operation: 16+82=98, Resulting Numbers: [28, 98] Generated Node #0,3,1: 14:[28, 98] Operation: 16+82=98 Exploring Operation: 82-28=54, Resulting Numbers: [16, 54] Generated Node #0,3,2: 14:[16, 54] Operation: 82-28=54 Exploring Operation: 28-16=12, Resulting Numbers: [82, 12] Generated Node #0,3,3: 14:[82, 12] Operation: 28-16=12 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 14:[16, 54], Operations: ['96-68=28', '82-28=54'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,14 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,14 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: 14:[28, 66], Operations: ['96-68=28', '82-16=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,14 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,14 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: 14:[82, 12], Operations: ['96-68=28', '28-16=12'] Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,14 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,14 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,14 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: 14:[28, 98], Operations: ['96-68=28', '16+82=98'] Exploring Operation: 28*98=2744, Resulting Numbers: [2744] 2744,14 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,14 unequal: No Solution Exploring Operation: 28+98=126, Resulting Numbers: [126] 126,14 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: 14:[68, 82, 6], Operations: ['96/16=6'] Exploring Operation: 68+6=74, Resulting Numbers: [82, 74] Generated Node #0,1,0: 14:[82, 74] Operation: 68+6=74 Exploring Operation: 82-68=14, Resulting Numbers: [6, 14] Generated Node #0,1,1: 14:[6, 14] Operation: 82-68=14 Exploring Operation: 68-6=62, Resulting Numbers: [82, 62] Generated Node #0,1,2: 14:[82, 62] Operation: 68-6=62 Exploring Operation: 82-6=76, Resulting Numbers: [68, 76] Generated Node #0,1,3: 14:[68, 76] Operation: 82-6=76 Moving to Node #0,1,1 Current State: 14:[6, 14], Operations: ['96/16=6', '82-68=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[68, 76], Operations: ['96/16=6', '82-6=76'] Exploring Operation: 68*76=5168, Resulting Numbers: [5168] 5168,14 unequal: No Solution Exploring Operation: 76-68=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 68+76=144, Resulting Numbers: [144] 144,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[82, 62], Operations: ['96/16=6', '68-6=62'] Exploring Operation: 82*62=5084, Resulting Numbers: [5084] 5084,14 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 82+62=144, Resulting Numbers: [144] 144,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[82, 74], Operations: ['96/16=6', '68+6=74'] Exploring Operation: 82+74=156, Resulting Numbers: [156] 156,14 unequal: No Solution Exploring Operation: 82*74=6068, Resulting Numbers: [6068] 6068,14 unequal: No Solution Exploring Operation: 82-74=8, Resulting Numbers: [8] 8,14 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
[ 27, 90, 14, 21 ]
87
[ "90*14=1260", "1260/21=60", "27+60=87" ]
Current State: 87:[27, 90, 14, 21], Operations: [] Exploring Operation: 90*14=1260, Resulting Numbers: [27, 21, 1260] Generated Node #2: [27, 21, 1260] from Operation: 90*14=1260 Current State: 87:[27, 21, 1260], Operations: ['90*14=1260'] Exploring Operation: 1260/21=60, Resulting Numbers: [27, 60] Generated Node #3: [27, 60] from Operation: 1260/21=60 Current State: 87:[27, 60], Operations: ['90*14=1260', '1260/21=60'] Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[27, 90, 14, 21], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [27, 90, 7] Generated Node #0,0: 87:[27, 90, 7] Operation: 21-14=7 Moving to Node #0,0 Current State: 87:[27, 90, 7], Operations: ['21-14=7'] Exploring Operation: 90-7=83, Resulting Numbers: [27, 83] Generated Node #0,0,0: 87:[27, 83] Operation: 90-7=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[27, 83], Operations: ['21-14=7', '90-7=83'] Exploring Operation: 27+83=110, Resulting Numbers: [110] 110,87 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
[ 96, 3, 24, 19 ]
45
[ "96/24=4", "19-4=15", "3*15=45" ]
Current State: 45:[96, 3, 24, 19], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [3, 19, 4] Generated Node #2: [3, 19, 4] from Operation: 96/24=4 Current State: 45:[3, 19, 4], Operations: ['96/24=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: ['96/24=4', '19-4=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[96, 3, 24, 19], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [3, 19, 4] Generated Node #0,0: 45:[3, 19, 4] Operation: 96/24=4 Exploring Operation: 96/3=32, Resulting Numbers: [24, 19, 32] Generated Node #0,1: 45:[24, 19, 32] Operation: 96/3=32 Moving to Node #0,0 Current State: 45:[3, 19, 4], Operations: ['96/24=4'] Exploring Operation: 19-4=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 19-4=15 Exploring Operation: 19-3=16, Resulting Numbers: [4, 16] Generated Node #0,0,1: 45:[4, 16] Operation: 19-3=16 Moving to Node #0,1 Current State: 45:[24, 19, 32], Operations: ['96/3=32'] Exploring Operation: 32-24=8, Resulting Numbers: [19, 8] Generated Node #0,1,0: 45:[19, 8] Operation: 32-24=8 Exploring Operation: 32-19=13, Resulting Numbers: [24, 13] Generated Node #0,1,1: 45:[24, 13] Operation: 32-19=13 Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['96/24=4', '19-4=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[96, 3, 24, 19], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [3, 19, 4] Generated Node #0,0: 45:[3, 19, 4] Operation: 96/24=4 Moving to Node #0,0 Current State: 45:[3, 19, 4], Operations: ['96/24=4'] Exploring Operation: 19-4=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 19-4=15 Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['96/24=4', '19-4=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 6, 59, 31, 71 ]
97
[ "59-31=28", "6*28=168", "168-71=97" ]
Current State: 97:[6, 59, 31, 71], Operations: [] Exploring Operation: 59-31=28, Resulting Numbers: [6, 71, 28] Generated Node #2: [6, 71, 28] from Operation: 59-31=28 Current State: 97:[6, 71, 28], Operations: ['59-31=28'] Exploring Operation: 6*28=168, Resulting Numbers: [71, 168] Generated Node #3: [71, 168] from Operation: 6*28=168 Current State: 97:[71, 168], Operations: ['59-31=28', '6*28=168'] Exploring Operation: 168-71=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[6, 59, 31, 71], Operations: [] Exploring Operation: 6+31=37, Resulting Numbers: [59, 71, 37] Generated Node #0,0: 97:[59, 71, 37] Operation: 6+31=37 Exploring Operation: 6+71=77, Resulting Numbers: [59, 31, 77] Generated Node #0,1: 97:[59, 31, 77] Operation: 6+71=77 Exploring Operation: 6+59=65, Resulting Numbers: [31, 71, 65] Generated Node #0,2: 97:[31, 71, 65] Operation: 6+59=65 Exploring Operation: 59+31=90, Resulting Numbers: [6, 71, 90] Generated Node #0,3: 97:[6, 71, 90] Operation: 59+31=90 Moving to Node #0,0 Current State: 97:[59, 71, 37], Operations: ['6+31=37'] Exploring Operation: 59+71=130, Resulting Numbers: [37, 130] Generated Node #0,0,0: 97:[37, 130] Operation: 59+71=130 Exploring Operation: 71+37=108, Resulting Numbers: [59, 108] Generated Node #0,0,1: 97:[59, 108] Operation: 71+37=108 Exploring Operation: 59+37=96, Resulting Numbers: [71, 96] Generated Node #0,0,2: 97:[71, 96] Operation: 59+37=96 Exploring Operation: 59-37=22, Resulting Numbers: [71, 22] Generated Node #0,0,3: 97:[71, 22] Operation: 59-37=22 Moving to Node #0,2 Current State: 97:[31, 71, 65], Operations: ['6+59=65'] Exploring Operation: 31+65=96, Resulting Numbers: [71, 96] Generated Node #0,2,0: 97:[71, 96] Operation: 31+65=96 Exploring Operation: 31+71=102, Resulting Numbers: [65, 102] Generated Node #0,2,1: 97:[65, 102] Operation: 31+71=102 Exploring Operation: 65-31=34, Resulting Numbers: [71, 34] Generated Node #0,2,2: 97:[71, 34] Operation: 65-31=34 Exploring Operation: 71-31=40, Resulting Numbers: [65, 40] Generated Node #0,2,3: 97:[65, 40] Operation: 71-31=40 Moving to Node #0,1 Current State: 97:[59, 31, 77], Operations: ['6+71=77'] Exploring Operation: 77-31=46, Resulting Numbers: [59, 46] Generated Node #0,1,0: 97:[59, 46] Operation: 77-31=46 Exploring Operation: 59+31=90, Resulting Numbers: [77, 90] Generated Node #0,1,1: 97:[77, 90] Operation: 59+31=90 Exploring Operation: 31+77=108, Resulting Numbers: [59, 108] Generated Node #0,1,2: 97:[59, 108] Operation: 31+77=108 Exploring Operation: 59-31=28, Resulting Numbers: [77, 28] Generated Node #0,1,3: 97:[77, 28] Operation: 59-31=28 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[77, 90], Operations: ['6+71=77', '59+31=90'] Exploring Operation: 77*90=6930, Resulting Numbers: [6930] 6930,97 unequal: No Solution Exploring Operation: 77+90=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,97 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:[59, 108], Operations: ['6+71=77', '31+77=108'] Exploring Operation: 59+108=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 108-59=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 59*108=6372, Resulting Numbers: [6372] 6372,97 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:[59, 46], Operations: ['6+71=77', '77-31=46'] Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 59+46=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 59*46=2714, Resulting Numbers: [2714] 2714,97 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 #0,1,3 Current State: 97:[77, 28], Operations: ['6+71=77', '59-31=28'] Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 77*28=2156, Resulting Numbers: [2156] 2156,97 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,97 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: 97:[6, 71, 90], Operations: ['59+31=90'] Exploring Operation: 90-6=84, Resulting Numbers: [71, 84] Generated Node #0,3,0: 97:[71, 84] Operation: 90-6=84 Exploring Operation: 71-6=65, Resulting Numbers: [90, 65] Generated Node #0,3,1: 97:[90, 65] Operation: 71-6=65 Exploring Operation: 6+71=77, Resulting Numbers: [90, 77] Generated Node #0,3,2: 97:[90, 77] Operation: 6+71=77 Exploring Operation: 6+90=96, Resulting Numbers: [71, 96] Generated Node #0,3,3: 97:[71, 96] Operation: 6+90=96 Moving to Node #0,0,2 Current State: 97:[71, 96], Operations: ['6+31=37', '59+37=96'] Exploring Operation: 71*96=6816, Resulting Numbers: [6816] 6816,97 unequal: No Solution Exploring Operation: 71+96=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[71, 96], Operations: ['6+59=65', '31+65=96'] Exploring Operation: 71+96=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 71*96=6816, Resulting Numbers: [6816] 6816,97 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[71, 96], Operations: ['59+31=90', '6+90=96'] Exploring Operation: 71+96=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 71*96=6816, Resulting Numbers: [6816] 6816,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[90, 77], Operations: ['59+31=90', '6+71=77'] Exploring Operation: 90+77=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 90*77=6930, Resulting Numbers: [6930] 6930,97 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[65, 102], Operations: ['6+59=65', '31+71=102'] Exploring Operation: 65*102=6630, Resulting Numbers: [6630] 6630,97 unequal: No Solution Exploring Operation: 65+102=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 102-65=37, Resulting Numbers: [37] 37,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[90, 65], Operations: ['59+31=90', '71-6=65'] Exploring Operation: 90+65=155, Resulting Numbers: [155] 155,97 unequal: No Solution Exploring Operation: 90*65=5850, Resulting Numbers: [5850] 5850,97 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[71, 84], Operations: ['59+31=90', '90-6=84'] Exploring Operation: 71*84=5964, Resulting Numbers: [5964] 5964,97 unequal: No Solution Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[59, 108], Operations: ['6+31=37', '71+37=108'] Exploring Operation: 59+108=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 59*108=6372, Resulting Numbers: [6372] 6372,97 unequal: No Solution Exploring Operation: 108-59=49, Resulting Numbers: [49] 49,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[71, 34], Operations: ['6+59=65', '65-31=34'] Exploring Operation: 71+34=105, Resulting Numbers: [105] 105,97 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 71*34=2414, Resulting Numbers: [2414] 2414,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[65, 40], Operations: ['6+59=65', '71-31=40'] Exploring Operation: 65-40=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 65*40=2600, Resulting Numbers: [2600] 2600,97 unequal: No Solution Exploring Operation: 65+40=105, Resulting Numbers: [105] 105,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[37, 130], Operations: ['6+31=37', '59+71=130'] Exploring Operation: 130-37=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 37*130=4810, Resulting Numbers: [4810] 4810,97 unequal: No Solution Exploring Operation: 37+130=167, Resulting Numbers: [167] 167,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[71, 22], Operations: ['6+31=37', '59-37=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,97 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 35, 88, 94, 2 ]
64
[ "35*2=70", "94-88=6", "70-6=64" ]
Current State: 64:[35, 88, 94, 2], Operations: [] Exploring Operation: 35*2=70, Resulting Numbers: [88, 94, 70] Generated Node #2: [88, 94, 70] from Operation: 35*2=70 Current State: 64:[88, 94, 70], Operations: ['35*2=70'] Exploring Operation: 94-88=6, Resulting Numbers: [70, 6] Generated Node #3: [70, 6] from Operation: 94-88=6 Current State: 64:[70, 6], Operations: ['35*2=70', '94-88=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[35, 88, 94, 2], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [35, 88, 47] Generated Node #0,0: 64:[35, 88, 47] Operation: 94/2=47 Exploring Operation: 88-35=53, Resulting Numbers: [94, 2, 53] Generated Node #0,1: 64:[94, 2, 53] Operation: 88-35=53 Exploring Operation: 94-35=59, Resulting Numbers: [88, 2, 59] Generated Node #0,2: 64:[88, 2, 59] Operation: 94-35=59 Exploring Operation: 94-88=6, Resulting Numbers: [35, 2, 6] Generated Node #0,3: 64:[35, 2, 6] Operation: 94-88=6 Moving to Node #0,3 Current State: 64:[35, 2, 6], Operations: ['94-88=6'] Exploring Operation: 6-2=4, Resulting Numbers: [35, 4] Generated Node #0,3,0: 64:[35, 4] Operation: 6-2=4 Exploring Operation: 35-2=33, Resulting Numbers: [6, 33] Generated Node #0,3,1: 64:[6, 33] Operation: 35-2=33 Exploring Operation: 2+6=8, Resulting Numbers: [35, 8] Generated Node #0,3,2: 64:[35, 8] Operation: 2+6=8 Exploring Operation: 35-6=29, Resulting Numbers: [2, 29] Generated Node #0,3,3: 64:[2, 29] Operation: 35-6=29 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[35, 4], Operations: ['94-88=6', '6-2=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,64 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,64 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:[6, 33], Operations: ['94-88=6', '35-2=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,64 unequal: No Solution Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,64 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,64 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:[35, 8], Operations: ['94-88=6', '2+6=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,64 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,64 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:[2, 29], Operations: ['94-88=6', '35-6=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,64 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: 64:[88, 2, 59], Operations: ['94-35=59'] Exploring Operation: 88/2=44, Resulting Numbers: [59, 44] Generated Node #0,2,0: 64:[59, 44] Operation: 88/2=44 Exploring Operation: 2+59=61, Resulting Numbers: [88, 61] Generated Node #0,2,1: 64:[88, 61] Operation: 2+59=61 Exploring Operation: 88-2=86, Resulting Numbers: [59, 86] Generated Node #0,2,2: 64:[59, 86] Operation: 88-2=86 Exploring Operation: 88-59=29, Resulting Numbers: [2, 29] Generated Node #0,2,3: 64:[2, 29] Operation: 88-59=29 Moving to Node #0,1 Current State: 64:[94, 2, 53], Operations: ['88-35=53'] Exploring Operation: 94-53=41, Resulting Numbers: [2, 41] Generated Node #0,1,0: 64:[2, 41] Operation: 94-53=41 Exploring Operation: 2+53=55, Resulting Numbers: [94, 55] Generated Node #0,1,1: 64:[94, 55] Operation: 2+53=55 Exploring Operation: 94/2=47, Resulting Numbers: [53, 47] Generated Node #0,1,2: 64:[53, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [53, 92] Generated Node #0,1,3: 64:[53, 92] Operation: 94-2=92 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[2, 41], Operations: ['88-35=53', '94-53=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,64 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,64 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 #0,1,2 Current State: 64:[53, 47], Operations: ['88-35=53', '94/2=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,64 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,64 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 #0,1,1 Current State: 64:[94, 55], Operations: ['88-35=53', '2+53=55'] Exploring Operation: 94+55=149, Resulting Numbers: [149] 149,64 unequal: No Solution Exploring Operation: 94*55=5170, Resulting Numbers: [5170] 5170,64 unequal: No Solution Exploring Operation: 94-55=39, Resulting Numbers: [39] 39,64 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 #0,1,3 Current State: 64:[53, 92], Operations: ['88-35=53', '94-2=92'] Exploring Operation: 53*92=4876, Resulting Numbers: [4876] 4876,64 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,64 unequal: No Solution Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,64 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:[35, 88, 47], Operations: ['94/2=47'] Exploring Operation: 35+47=82, Resulting Numbers: [88, 82] Generated Node #0,0,0: 64:[88, 82] Operation: 35+47=82 Exploring Operation: 88-47=41, Resulting Numbers: [35, 41] Generated Node #0,0,1: 64:[35, 41] Operation: 88-47=41 Exploring Operation: 47-35=12, Resulting Numbers: [88, 12] Generated Node #0,0,2: 64:[88, 12] Operation: 47-35=12 Exploring Operation: 88-35=53, Resulting Numbers: [47, 53] Generated Node #0,0,3: 64:[47, 53] Operation: 88-35=53 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[35, 41], Operations: ['94/2=47', '88-47=41'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 35*41=1435, Resulting Numbers: [1435] 1435,64 unequal: No Solution Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,64 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 #0,0,3 Current State: 64:[47, 53], Operations: ['94/2=47', '88-35=53'] Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 47+53=100, Resulting Numbers: [100] 100,64 unequal: No Solution Exploring Operation: 47*53=2491, Resulting Numbers: [2491] 2491,64 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 #0,0,2 Current State: 64:[88, 12], Operations: ['94/2=47', '47-35=12'] Exploring Operation: 88*12=1056, Resulting Numbers: [1056] 1056,64 unequal: No Solution Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,64 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,64 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 #0,0,0 Current State: 64:[88, 82], Operations: ['94/2=47', '35+47=82'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,64 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 64:[2, 29], Operations: ['94-35=59', '88-59=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[59, 44], Operations: ['94-35=59', '88/2=44'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,64 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[59, 86], Operations: ['94-35=59', '88-2=86'] Exploring Operation: 59*86=5074, Resulting Numbers: [5074] 5074,64 unequal: No Solution Exploring Operation: 59+86=145, Resulting Numbers: [145] 145,64 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[88, 61], Operations: ['94-35=59', '2+59=61'] Exploring Operation: 88+61=149, Resulting Numbers: [149] 149,64 unequal: No Solution Exploring Operation: 88*61=5368, Resulting Numbers: [5368] 5368,64 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,64 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 53, 70, 45, 64 ]
92
[ "70-53=17", "45+64=109", "109-17=92" ]
Current State: 92:[53, 70, 45, 64], Operations: [] Exploring Operation: 70-53=17, Resulting Numbers: [45, 64, 17] Generated Node #2: [45, 64, 17] from Operation: 70-53=17 Current State: 92:[45, 64, 17], Operations: ['70-53=17'] Exploring Operation: 45+64=109, Resulting Numbers: [17, 109] Generated Node #3: [17, 109] from Operation: 45+64=109 Current State: 92:[17, 109], Operations: ['70-53=17', '45+64=109'] Exploring Operation: 109-17=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[53, 70, 45, 64], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [53, 45, 6] Generated Node #0,0: 92:[53, 45, 6] Operation: 70-64=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[53, 45, 6], Operations: ['70-64=6'] Exploring Operation: 53-6=47, Resulting Numbers: [45, 47] Generated Node #0,0,0: 92:[45, 47] Operation: 53-6=47 Moving to Node #0,0,0 Current State: 92:[45, 47], Operations: ['70-64=6', '53-6=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[53, 70, 45, 64], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [53, 45, 6] Generated Node #0,0: 92:[53, 45, 6] Operation: 70-64=6 Moving to Node #0,0 Current State: 92:[53, 45, 6], Operations: ['70-64=6'] Exploring Operation: 53-6=47, Resulting Numbers: [45, 47] Generated Node #0,0,0: 92:[45, 47] Operation: 53-6=47 Moving to Node #0,0,0 Current State: 92:[45, 47], Operations: ['70-64=6', '53-6=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 68, 46, 31, 3 ]
39
[ "68+31=99", "46*3=138", "138-99=39" ]
Current State: 39:[68, 46, 31, 3], Operations: [] Exploring Operation: 68+31=99, Resulting Numbers: [46, 3, 99] Generated Node #2: [46, 3, 99] from Operation: 68+31=99 Current State: 39:[46, 3, 99], Operations: ['68+31=99'] Exploring Operation: 46*3=138, Resulting Numbers: [99, 138] Generated Node #3: [99, 138] from Operation: 46*3=138 Current State: 39:[99, 138], Operations: ['68+31=99', '46*3=138'] Exploring Operation: 138-99=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[68, 46, 31, 3], Operations: [] Exploring Operation: 68-31=37, Resulting Numbers: [46, 3, 37] Generated Node #0,0: 39:[46, 3, 37] Operation: 68-31=37 Exploring Operation: 68-46=22, Resulting Numbers: [31, 3, 22] Generated Node #0,1: 39:[31, 3, 22] Operation: 68-46=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[46, 3, 37], Operations: ['68-31=37'] Exploring Operation: 46-37=9, Resulting Numbers: [3, 9] Generated Node #0,0,0: 39:[3, 9] Operation: 46-37=9 Exploring Operation: 46-3=43, Resulting Numbers: [37, 43] Generated Node #0,0,1: 39:[37, 43] Operation: 46-3=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[3, 9], Operations: ['68-31=37', '46-37=9'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,39 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: 39:[37, 43], Operations: ['68-31=37', '46-3=43'] Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,39 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: 39:[31, 3, 22], Operations: ['68-46=22'] Exploring Operation: 31+3=34, Resulting Numbers: [22, 34] Generated Node #0,1,0: 39:[22, 34] Operation: 31+3=34 Exploring Operation: 31-22=9, Resulting Numbers: [3, 9] Generated Node #0,1,1: 39:[3, 9] Operation: 31-22=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[3, 9], Operations: ['68-46=22', '31-22=9'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,39 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: 39:[22, 34], Operations: ['68-46=22', '31+3=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,39 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
[ 43, 94, 39, 8 ]
96
[ "94-43=51", "51-39=12", "8*12=96" ]
Current State: 96:[43, 94, 39, 8], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [39, 8, 51] Generated Node #2: [39, 8, 51] from Operation: 94-43=51 Current State: 96:[39, 8, 51], Operations: ['94-43=51'] Exploring Operation: 51-39=12, Resulting Numbers: [8, 12] Generated Node #3: [8, 12] from Operation: 51-39=12 Current State: 96:[8, 12], Operations: ['94-43=51', '51-39=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[43, 94, 39, 8], Operations: [] Exploring Operation: 39+8=47, Resulting Numbers: [43, 94, 47] Generated Node #0,0: 96:[43, 94, 47] Operation: 39+8=47 Exploring Operation: 94-43=51, Resulting Numbers: [39, 8, 51] Generated Node #0,1: 96:[39, 8, 51] Operation: 94-43=51 Exploring Operation: 43+8=51, Resulting Numbers: [94, 39, 51] Generated Node #0,2: 96:[94, 39, 51] Operation: 43+8=51 Exploring Operation: 43-39=4, Resulting Numbers: [94, 8, 4] Generated Node #0,3: 96:[94, 8, 4] Operation: 43-39=4 Exploring Operation: 39-8=31, Resulting Numbers: [43, 94, 31] Generated Node #0,4: 96:[43, 94, 31] Operation: 39-8=31 Moving to Node #0,3 Current State: 96:[94, 8, 4], Operations: ['43-39=4'] Exploring Operation: 8/4=2, Resulting Numbers: [94, 2] Generated Node #0,3,0: 96:[94, 2] Operation: 8/4=2 Exploring Operation: 8-4=4, Resulting Numbers: [94, 4] Generated Node #0,3,1: 96:[94, 4] Operation: 8-4=4 Exploring Operation: 94+4=98, Resulting Numbers: [8, 98] Generated Node #0,3,2: 96:[8, 98] Operation: 94+4=98 Exploring Operation: 8+4=12, Resulting Numbers: [94, 12] Generated Node #0,3,3: 96:[94, 12] Operation: 8+4=12 Exploring Operation: 8*4=32, Resulting Numbers: [94, 32] Generated Node #0,3,4: 96:[94, 32] Operation: 8*4=32 Moving to Node #0,4 Current State: 96:[43, 94, 31], Operations: ['39-8=31'] Exploring Operation: 43-31=12, Resulting Numbers: [94, 12] Generated Node #0,4,0: 96:[94, 12] Operation: 43-31=12 Exploring Operation: 43+31=74, Resulting Numbers: [94, 74] Generated Node #0,4,1: 96:[94, 74] Operation: 43+31=74 Exploring Operation: 94-43=51, Resulting Numbers: [31, 51] Generated Node #0,4,2: 96:[31, 51] Operation: 94-43=51 Exploring Operation: 94-31=63, Resulting Numbers: [43, 63] Generated Node #0,4,3: 96:[43, 63] Operation: 94-31=63 Exploring Operation: 94+31=125, Resulting Numbers: [43, 125] Generated Node #0,4,4: 96:[43, 125] Operation: 94+31=125 Moving to Node #0,0 Current State: 96:[43, 94, 47], Operations: ['39+8=47'] Exploring Operation: 94-47=47, Resulting Numbers: [43, 47] Generated Node #0,0,0: 96:[43, 47] Operation: 94-47=47 Exploring Operation: 47-43=4, Resulting Numbers: [94, 4] Generated Node #0,0,1: 96:[94, 4] Operation: 47-43=4 Exploring Operation: 43+47=90, Resulting Numbers: [94, 90] Generated Node #0,0,2: 96:[94, 90] Operation: 43+47=90 Exploring Operation: 94/47=2, Resulting Numbers: [43, 2] Generated Node #0,0,3: 96:[43, 2] Operation: 94/47=2 Exploring Operation: 94-43=51, Resulting Numbers: [47, 51] Generated Node #0,0,4: 96:[47, 51] Operation: 94-43=51 Moving to Node #0,1 Current State: 96:[39, 8, 51], Operations: ['94-43=51'] Exploring Operation: 51-39=12, Resulting Numbers: [8, 12] Generated Node #0,1,0: 96:[8, 12] Operation: 51-39=12 Exploring Operation: 51-8=43, Resulting Numbers: [39, 43] Generated Node #0,1,1: 96:[39, 43] Operation: 51-8=43 Exploring Operation: 39-8=31, Resulting Numbers: [51, 31] Generated Node #0,1,2: 96:[51, 31] Operation: 39-8=31 Exploring Operation: 39+51=90, Resulting Numbers: [8, 90] Generated Node #0,1,3: 96:[8, 90] Operation: 39+51=90 Exploring Operation: 39+8=47, Resulting Numbers: [51, 47] Generated Node #0,1,4: 96:[51, 47] Operation: 39+8=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[8, 12], Operations: ['94-43=51', '51-39=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[43, 94, 39, 8], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [39, 8, 51] Generated Node #0,1: 96:[39, 8, 51] Operation: 94-43=51 Moving to Node #0,1 Current State: 96:[39, 8, 51], Operations: ['94-43=51'] Exploring Operation: 51-39=12, Resulting Numbers: [8, 12] Generated Node #0,1,0: 96:[8, 12] Operation: 51-39=12 Moving to Node #0,1,0 Current State: 96:[8, 12], Operations: ['94-43=51', '51-39=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
sum_heuristic
[ 34, 54, 5, 64 ]
19
[ "34+54=88", "5+64=69", "88-69=19" ]
Current State: 19:[34, 54, 5, 64], Operations: [] Exploring Operation: 34+54=88, Resulting Numbers: [5, 64, 88] Generated Node #2: [5, 64, 88] from Operation: 34+54=88 Current State: 19:[5, 64, 88], Operations: ['34+54=88'] Exploring Operation: 5+64=69, Resulting Numbers: [88, 69] Generated Node #3: [88, 69] from Operation: 5+64=69 Current State: 19:[88, 69], Operations: ['34+54=88', '5+64=69'] Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[34, 54, 5, 64], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [54, 5, 30] Generated Node #0,0: 19:[54, 5, 30] Operation: 64-34=30 Exploring Operation: 54-34=20, Resulting Numbers: [5, 64, 20] Generated Node #0,1: 19:[5, 64, 20] Operation: 54-34=20 Exploring Operation: 34-5=29, Resulting Numbers: [54, 64, 29] Generated Node #0,2: 19:[54, 64, 29] Operation: 34-5=29 Exploring Operation: 64-54=10, Resulting Numbers: [34, 5, 10] Generated Node #0,3: 19:[34, 5, 10] Operation: 64-54=10 Moving to Node #0,3 Current State: 19:[34, 5, 10], Operations: ['64-54=10'] Exploring Operation: 34+5=39, Resulting Numbers: [10, 39] Generated Node #0,3,0: 19:[10, 39] Operation: 34+5=39 Exploring Operation: 5+10=15, Resulting Numbers: [34, 15] Generated Node #0,3,1: 19:[34, 15] Operation: 5+10=15 Exploring Operation: 34-5=29, Resulting Numbers: [10, 29] Generated Node #0,3,2: 19:[10, 29] Operation: 34-5=29 Exploring Operation: 34-10=24, Resulting Numbers: [5, 24] Generated Node #0,3,3: 19:[5, 24] Operation: 34-10=24 Moving to Node #0,1 Current State: 19:[5, 64, 20], Operations: ['54-34=20'] Exploring Operation: 5+64=69, Resulting Numbers: [20, 69] Generated Node #0,1,0: 19:[20, 69] Operation: 5+64=69 Exploring Operation: 64-5=59, Resulting Numbers: [20, 59] Generated Node #0,1,1: 19:[20, 59] Operation: 64-5=59 Exploring Operation: 64-20=44, Resulting Numbers: [5, 44] Generated Node #0,1,2: 19:[5, 44] Operation: 64-20=44 Exploring Operation: 20-5=15, Resulting Numbers: [64, 15] Generated Node #0,1,3: 19:[64, 15] Operation: 20-5=15 Moving to Node #0,0 Current State: 19:[54, 5, 30], Operations: ['64-34=30'] Exploring Operation: 30/5=6, Resulting Numbers: [54, 6] Generated Node #0,0,0: 19:[54, 6] Operation: 30/5=6 Exploring Operation: 54-5=49, Resulting Numbers: [30, 49] Generated Node #0,0,1: 19:[30, 49] Operation: 54-5=49 Exploring Operation: 54-30=24, Resulting Numbers: [5, 24] Generated Node #0,0,2: 19:[5, 24] Operation: 54-30=24 Exploring Operation: 30-5=25, Resulting Numbers: [54, 25] Generated Node #0,0,3: 19:[54, 25] Operation: 30-5=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[5, 24], Operations: ['64-34=30', '54-30=24'] Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,19 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[34, 54, 5, 64], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [54, 5, 30] Generated Node #0,0: 19:[54, 5, 30] Operation: 64-34=30 Moving to Node #0,0 Current State: 19:[54, 5, 30], Operations: ['64-34=30'] Exploring Operation: 54-30=24, Resulting Numbers: [5, 24] Generated Node #0,0,2: 19:[5, 24] Operation: 54-30=24 Moving to Node #0,0,2 Current State: 19:[5, 24], Operations: ['64-34=30', '54-30=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 30, 66, 4, 56 ]
24
[ "66-30=36", "4+56=60", "60-36=24" ]
Current State: 24:[30, 66, 4, 56], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [4, 56, 36] Generated Node #2: [4, 56, 36] from Operation: 66-30=36 Current State: 24:[4, 56, 36], Operations: ['66-30=36'] Exploring Operation: 4+56=60, Resulting Numbers: [36, 60] Generated Node #3: [36, 60] from Operation: 4+56=60 Current State: 24:[36, 60], Operations: ['66-30=36', '4+56=60'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[30, 66, 4, 56], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [30, 4, 10] Generated Node #0,0: 24:[30, 4, 10] Operation: 66-56=10 Exploring Operation: 66-30=36, Resulting Numbers: [4, 56, 36] Generated Node #0,1: 24:[4, 56, 36] Operation: 66-30=36 Exploring Operation: 56-30=26, Resulting Numbers: [66, 4, 26] Generated Node #0,2: 24:[66, 4, 26] Operation: 56-30=26 Moving to Node #0,0 Current State: 24:[30, 4, 10], Operations: ['66-56=10'] Exploring Operation: 30-10=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 24:[4, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 24:[4, 3] Operation: 30/10=3 Exploring Operation: 30-4=26, Resulting Numbers: [10, 26] Generated Node #0,0,2: 24:[10, 26] Operation: 30-4=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[4, 3], Operations: ['66-56=10', '30/10=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,24 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 #0,0,0 Current State: 24:[4, 20], Operations: ['66-56=10', '30-10=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[30, 66, 4, 56], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [30, 4, 10] Generated Node #0,0: 24:[30, 4, 10] Operation: 66-56=10 Moving to Node #0,0 Current State: 24:[30, 4, 10], Operations: ['66-56=10'] Exploring Operation: 30-10=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 24:[4, 20] Operation: 30-10=20 Moving to Node #0,0,0 Current State: 24:[4, 20], Operations: ['66-56=10', '30-10=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 36, 86, 99, 65 ]
16
[ "86-36=50", "99-65=34", "50-34=16" ]
Current State: 16:[36, 86, 99, 65], Operations: [] Exploring Operation: 86-36=50, Resulting Numbers: [99, 65, 50] Generated Node #2: [99, 65, 50] from Operation: 86-36=50 Current State: 16:[99, 65, 50], Operations: ['86-36=50'] Exploring Operation: 99-65=34, Resulting Numbers: [50, 34] Generated Node #3: [50, 34] from Operation: 99-65=34 Current State: 16:[50, 34], Operations: ['86-36=50', '99-65=34'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[36, 86, 99, 65], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [36, 99, 21] Generated Node #0,0: 16:[36, 99, 21] Operation: 86-65=21 Exploring Operation: 99-86=13, Resulting Numbers: [36, 65, 13] Generated Node #0,1: 16:[36, 65, 13] Operation: 99-86=13 Moving to Node #0,1 Current State: 16:[36, 65, 13], Operations: ['99-86=13'] Exploring Operation: 65-36=29, Resulting Numbers: [13, 29] Generated Node #0,1,0: 16:[13, 29] Operation: 65-36=29 Exploring Operation: 65/13=5, Resulting Numbers: [36, 5] Generated Node #0,1,1: 16:[36, 5] Operation: 65/13=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[13, 29], Operations: ['99-86=13', '65-36=29'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[36, 86, 99, 65], Operations: [] Exploring Operation: 99-86=13, Resulting Numbers: [36, 65, 13] Generated Node #0,1: 16:[36, 65, 13] Operation: 99-86=13 Moving to Node #0,1 Current State: 16:[36, 65, 13], Operations: ['99-86=13'] Exploring Operation: 65-36=29, Resulting Numbers: [13, 29] Generated Node #0,1,0: 16:[13, 29] Operation: 65-36=29 Moving to Node #0,1,0 Current State: 16:[13, 29], Operations: ['99-86=13', '65-36=29'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 3, 35, 67, 24 ]
42
[ "35+67=102", "24+102=126", "126/3=42" ]
Current State: 42:[3, 35, 67, 24], Operations: [] Exploring Operation: 35+67=102, Resulting Numbers: [3, 24, 102] Generated Node #2: [3, 24, 102] from Operation: 35+67=102 Current State: 42:[3, 24, 102], Operations: ['35+67=102'] Exploring Operation: 24+102=126, Resulting Numbers: [3, 126] Generated Node #3: [3, 126] from Operation: 24+102=126 Current State: 42:[3, 126], Operations: ['35+67=102', '24+102=126'] Exploring Operation: 126/3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[3, 35, 67, 24], Operations: [] Exploring Operation: 35-24=11, Resulting Numbers: [3, 67, 11] Generated Node #0,0: 42:[3, 67, 11] Operation: 35-24=11 Exploring Operation: 3+35=38, Resulting Numbers: [67, 24, 38] Generated Node #0,1: 42:[67, 24, 38] Operation: 3+35=38 Exploring Operation: 67-35=32, Resulting Numbers: [3, 24, 32] Generated Node #0,2: 42:[3, 24, 32] Operation: 67-35=32 Exploring Operation: 67-24=43, Resulting Numbers: [3, 35, 43] Generated Node #0,3: 42:[3, 35, 43] Operation: 67-24=43 Moving to Node #0,3 Current State: 42:[3, 35, 43], Operations: ['67-24=43'] Exploring Operation: 43-35=8, Resulting Numbers: [3, 8] Generated Node #0,3,0: 42:[3, 8] Operation: 43-35=8 Exploring Operation: 43-3=40, Resulting Numbers: [35, 40] Generated Node #0,3,1: 42:[35, 40] Operation: 43-3=40 Exploring Operation: 35-3=32, Resulting Numbers: [43, 32] Generated Node #0,3,2: 42:[43, 32] Operation: 35-3=32 Exploring Operation: 3+35=38, Resulting Numbers: [43, 38] Generated Node #0,3,3: 42:[43, 38] Operation: 3+35=38 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[3, 8], Operations: ['67-24=43', '43-35=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,42 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,42 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: 42:[43, 38], Operations: ['67-24=43', '3+35=38'] Exploring Operation: 43*38=1634, Resulting Numbers: [1634] 1634,42 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,42 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: 42:[35, 40], Operations: ['67-24=43', '43-3=40'] Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,42 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,42 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: 42:[43, 32], Operations: ['67-24=43', '35-3=32'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,42 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,42 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: 42:[3, 24, 32], Operations: ['67-35=32'] Exploring Operation: 32-24=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 42:[3, 8] Operation: 32-24=8 Exploring Operation: 3+32=35, Resulting Numbers: [24, 35] Generated Node #0,2,1: 42:[24, 35] Operation: 3+32=35 Exploring Operation: 24/3=8, Resulting Numbers: [32, 8] Generated Node #0,2,2: 42:[32, 8] Operation: 24/3=8 Exploring Operation: 24-3=21, Resulting Numbers: [32, 21] Generated Node #0,2,3: 42:[32, 21] Operation: 24-3=21 Moving to Node #0,0 Current State: 42:[3, 67, 11], Operations: ['35-24=11'] Exploring Operation: 11-3=8, Resulting Numbers: [67, 8] Generated Node #0,0,0: 42:[67, 8] Operation: 11-3=8 Exploring Operation: 67-11=56, Resulting Numbers: [3, 56] Generated Node #0,0,1: 42:[3, 56] Operation: 67-11=56 Exploring Operation: 67-3=64, Resulting Numbers: [11, 64] Generated Node #0,0,2: 42:[11, 64] Operation: 67-3=64 Exploring Operation: 3+11=14, Resulting Numbers: [67, 14] Generated Node #0,0,3: 42:[67, 14] Operation: 3+11=14 Moving to Node #0,1 Current State: 42:[67, 24, 38], Operations: ['3+35=38'] Exploring Operation: 67-38=29, Resulting Numbers: [24, 29] Generated Node #0,1,0: 42:[24, 29] Operation: 67-38=29 Exploring Operation: 67-24=43, Resulting Numbers: [38, 43] Generated Node #0,1,1: 42:[38, 43] Operation: 67-24=43 Exploring Operation: 24+38=62, Resulting Numbers: [67, 62] Generated Node #0,1,2: 42:[67, 62] Operation: 24+38=62 Exploring Operation: 38-24=14, Resulting Numbers: [67, 14] Generated Node #0,1,3: 42:[67, 14] Operation: 38-24=14 Moving to Node #0,2,0 Current State: 42:[3, 8], Operations: ['67-35=32', '32-24=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,42 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[38, 43], Operations: ['3+35=38', '67-24=43'] Exploring Operation: 38*43=1634, Resulting Numbers: [1634] 1634,42 unequal: No Solution Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[32, 21], Operations: ['67-35=32', '24-3=21'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,42 unequal: No Solution Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[24, 35], Operations: ['67-35=32', '3+32=35'] Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,42 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[24, 29], Operations: ['3+35=38', '67-38=29'] Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,42 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[32, 8], Operations: ['67-35=32', '24/3=8'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,42 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 32*8=256, Resulting Numbers: [256] 256,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[3, 56], Operations: ['35-24=11', '67-11=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,42 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[67, 14], Operations: ['35-24=11', '3+11=14'] Exploring Operation: 67*14=938, Resulting Numbers: [938] 938,42 unequal: No Solution Exploring Operation: 67+14=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[11, 64], Operations: ['35-24=11', '67-3=64'] Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,42 unequal: No Solution Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[67, 14], Operations: ['3+35=38', '38-24=14'] Exploring Operation: 67+14=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 67*14=938, Resulting Numbers: [938] 938,42 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[67, 8], Operations: ['35-24=11', '11-3=8'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[67, 62], Operations: ['3+35=38', '24+38=62'] Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,42 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,42 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,42 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 79, 27, 8, 61 ]
21
[ "8*61=488", "79+488=567", "567/27=21" ]
Current State: 21:[79, 27, 8, 61], Operations: [] Exploring Operation: 8*61=488, Resulting Numbers: [79, 27, 488] Generated Node #2: [79, 27, 488] from Operation: 8*61=488 Current State: 21:[79, 27, 488], Operations: ['8*61=488'] Exploring Operation: 79+488=567, Resulting Numbers: [27, 567] Generated Node #3: [27, 567] from Operation: 79+488=567 Current State: 21:[27, 567], Operations: ['8*61=488', '79+488=567'] Exploring Operation: 567/27=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[79, 27, 8, 61], Operations: [] Exploring Operation: 61-27=34, Resulting Numbers: [79, 8, 34] Generated Node #0,0: 21:[79, 8, 34] Operation: 61-27=34 Exploring Operation: 79-27=52, Resulting Numbers: [8, 61, 52] Generated Node #0,1: 21:[8, 61, 52] Operation: 79-27=52 Exploring Operation: 79-61=18, Resulting Numbers: [27, 8, 18] Generated Node #0,2: 21:[27, 8, 18] Operation: 79-61=18 Moving to Node #0,2 Current State: 21:[27, 8, 18], Operations: ['79-61=18'] Exploring Operation: 27-8=19, Resulting Numbers: [18, 19] Generated Node #0,2,0: 21:[18, 19] Operation: 27-8=19 Exploring Operation: 18-8=10, Resulting Numbers: [27, 10] Generated Node #0,2,1: 21:[27, 10] Operation: 18-8=10 Exploring Operation: 27-18=9, Resulting Numbers: [8, 9] Generated Node #0,2,2: 21:[8, 9] Operation: 27-18=9 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[8, 9], Operations: ['79-61=18', '27-18=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,21 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: 21:[18, 19], Operations: ['79-61=18', '27-8=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,21 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,21 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: 21:[27, 10], Operations: ['79-61=18', '18-8=10'] Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,21 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,21 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: 21:[79, 8, 34], Operations: ['61-27=34'] Exploring Operation: 79-34=45, Resulting Numbers: [8, 45] Generated Node #0,0,0: 21:[8, 45] Operation: 79-34=45 Exploring Operation: 34-8=26, Resulting Numbers: [79, 26] Generated Node #0,0,1: 21:[79, 26] Operation: 34-8=26 Exploring Operation: 79-8=71, Resulting Numbers: [34, 71] Generated Node #0,0,2: 21:[34, 71] Operation: 79-8=71 Moving to Node #0,1 Current State: 21:[8, 61, 52], Operations: ['79-27=52'] Exploring Operation: 52-8=44, Resulting Numbers: [61, 44] Generated Node #0,1,0: 21:[61, 44] Operation: 52-8=44 Exploring Operation: 61-52=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 21:[8, 9] Operation: 61-52=9 Exploring Operation: 61-8=53, Resulting Numbers: [52, 53] Generated Node #0,1,2: 21:[52, 53] Operation: 61-8=53 Moving to Node #0,1,1 Current State: 21:[8, 9], Operations: ['79-27=52', '61-52=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[8, 45], Operations: ['61-27=34', '79-34=45'] Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,21 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,21 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[34, 71], Operations: ['61-27=34', '79-8=71'] Exploring Operation: 34+71=105, Resulting Numbers: [105] 105,21 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 34*71=2414, Resulting Numbers: [2414] 2414,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[52, 53], Operations: ['79-27=52', '61-8=53'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,21 unequal: No Solution Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[61, 44], Operations: ['79-27=52', '52-8=44'] Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,21 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[79, 26], Operations: ['61-27=34', '34-8=26'] Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,21 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,21 unequal: No Solution Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,21 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 41, 31, 35 ]
25
[ "41-31=10", "35*10=350", "350/14=25" ]
Current State: 25:[14, 41, 31, 35], Operations: [] Exploring Operation: 41-31=10, Resulting Numbers: [14, 35, 10] Generated Node #2: [14, 35, 10] from Operation: 41-31=10 Current State: 25:[14, 35, 10], Operations: ['41-31=10'] Exploring Operation: 35*10=350, Resulting Numbers: [14, 350] Generated Node #3: [14, 350] from Operation: 35*10=350 Current State: 25:[14, 350], Operations: ['41-31=10', '35*10=350'] Exploring Operation: 350/14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[14, 41, 31, 35], Operations: [] Exploring Operation: 41-14=27, Resulting Numbers: [31, 35, 27] Generated Node #0,0: 25:[31, 35, 27] Operation: 41-14=27 Exploring Operation: 41-35=6, Resulting Numbers: [14, 31, 6] Generated Node #0,1: 25:[14, 31, 6] Operation: 41-35=6 Moving to Node #0,1 Current State: 25:[14, 31, 6], Operations: ['41-35=6'] Exploring Operation: 14-6=8, Resulting Numbers: [31, 8] Generated Node #0,1,0: 25:[31, 8] Operation: 14-6=8 Exploring Operation: 31-14=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 25:[6, 17] Operation: 31-14=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[31, 8], Operations: ['41-35=6', '14-6=8'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,25 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: 25:[6, 17], Operations: ['41-35=6', '31-14=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,25 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: 25:[31, 35, 27], Operations: ['41-14=27'] Exploring Operation: 35-31=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 25:[27, 4] Operation: 35-31=4 Exploring Operation: 35-27=8, Resulting Numbers: [31, 8] Generated Node #0,0,1: 25:[31, 8] Operation: 35-27=8 Moving to Node #0,0,0 Current State: 25:[27, 4], Operations: ['41-14=27', '35-31=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[31, 8], Operations: ['41-14=27', '35-27=8'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 9, 75, 9 ]
53
[ "40-9=31", "75+9=84", "84-31=53" ]
Current State: 53:[40, 9, 75, 9], Operations: [] Exploring Operation: 40-9=31, Resulting Numbers: [75, 31] Generated Node #2: [75, 31] from Operation: 40-9=31 Current State: 53:[75, 31], Operations: ['40-9=31'] Exploring Operation: 75+9=84, Resulting Numbers: [31, 84] Generated Node #3: [31, 84] from Operation: 75+9=84 Current State: 53:[31, 84], Operations: ['40-9=31', '75+9=84'] Exploring Operation: 84-31=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[40, 9, 75, 9], Operations: [] Exploring Operation: 9*9=81, Resulting Numbers: [40, 75, 81] Generated Node #0,0: 53:[40, 75, 81] Operation: 9*9=81 Moving to Node #0,0 Current State: 53:[40, 75, 81], Operations: ['9*9=81'] Exploring Operation: 81-40=41, Resulting Numbers: [75, 41] Generated Node #0,0,0: 53:[75, 41] Operation: 81-40=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[75, 41], Operations: ['9*9=81', '81-40=41'] Exploring Operation: 75-41=34, Resulting Numbers: [34] 34,53 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
[ 73, 79, 36, 66 ]
47
[ "79-73=6", "66/6=11", "36+11=47" ]
Current State: 47:[73, 79, 36, 66], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [36, 66, 6] Generated Node #2: [36, 66, 6] from Operation: 79-73=6 Current State: 47:[36, 66, 6], Operations: ['79-73=6'] Exploring Operation: 66/6=11, Resulting Numbers: [36, 11] Generated Node #3: [36, 11] from Operation: 66/6=11 Current State: 47:[36, 11], Operations: ['79-73=6', '66/6=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[73, 79, 36, 66], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [73, 66, 43] Generated Node #0,0: 47:[73, 66, 43] Operation: 79-36=43 Moving to Node #0,0 Current State: 47:[73, 66, 43], Operations: ['79-36=43'] Exploring Operation: 73-43=30, Resulting Numbers: [66, 30] Generated Node #0,0,0: 47:[66, 30] Operation: 73-43=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[66, 30], Operations: ['79-36=43', '73-43=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,47 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
[ 24, 32, 10, 60 ]
55
[ "24*60=1440", "1440/32=45", "10+45=55" ]
Current State: 55:[24, 32, 10, 60], Operations: [] Exploring Operation: 24*60=1440, Resulting Numbers: [32, 10, 1440] Generated Node #2: [32, 10, 1440] from Operation: 24*60=1440 Current State: 55:[32, 10, 1440], Operations: ['24*60=1440'] Exploring Operation: 1440/32=45, Resulting Numbers: [10, 45] Generated Node #3: [10, 45] from Operation: 1440/32=45 Current State: 55:[10, 45], Operations: ['24*60=1440', '1440/32=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[24, 32, 10, 60], Operations: [] Exploring Operation: 24+32=56, Resulting Numbers: [10, 60, 56] Generated Node #0,0: 55:[10, 60, 56] Operation: 24+32=56 Exploring Operation: 32+10=42, Resulting Numbers: [24, 60, 42] Generated Node #0,1: 55:[24, 60, 42] Operation: 32+10=42 Exploring Operation: 32-24=8, Resulting Numbers: [10, 60, 8] Generated Node #0,2: 55:[10, 60, 8] Operation: 32-24=8 Exploring Operation: 32-10=22, Resulting Numbers: [24, 60, 22] Generated Node #0,3: 55:[24, 60, 22] Operation: 32-10=22 Exploring Operation: 24-10=14, Resulting Numbers: [32, 60, 14] Generated Node #0,4: 55:[32, 60, 14] Operation: 24-10=14 Moving to Node #0,0 Current State: 55:[10, 60, 56], Operations: ['24+32=56'] Exploring Operation: 60-10=50, Resulting Numbers: [56, 50] Generated Node #0,0,0: 55:[56, 50] Operation: 60-10=50 Exploring Operation: 56-10=46, Resulting Numbers: [60, 46] Generated Node #0,0,1: 55:[60, 46] Operation: 56-10=46 Exploring Operation: 10+60=70, Resulting Numbers: [56, 70] Generated Node #0,0,2: 55:[56, 70] Operation: 10+60=70 Exploring Operation: 60/10=6, Resulting Numbers: [56, 6] Generated Node #0,0,3: 55:[56, 6] Operation: 60/10=6 Exploring Operation: 60-56=4, Resulting Numbers: [10, 4] Generated Node #0,0,4: 55:[10, 4] Operation: 60-56=4 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[56, 6], Operations: ['24+32=56', '60/10=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,55 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 #0,0,4 Current State: 55:[10, 4], Operations: ['24+32=56', '60-56=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,55 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 #0,0,0 Current State: 55:[56, 50], Operations: ['24+32=56', '60-10=50'] Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 56*50=2800, Resulting Numbers: [2800] 2800,55 unequal: No Solution Exploring Operation: 56+50=106, Resulting Numbers: [106] 106,55 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 #0,0,1 Current State: 55:[60, 46], Operations: ['24+32=56', '56-10=46'] Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,55 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 #0,0,2 Current State: 55:[56, 70], Operations: ['24+32=56', '10+60=70'] Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,55 unequal: No Solution Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,55 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: 55:[10, 60, 8], Operations: ['32-24=8'] Exploring Operation: 60-10=50, Resulting Numbers: [8, 50] Generated Node #0,2,0: 55:[8, 50] Operation: 60-10=50 Exploring Operation: 10+8=18, Resulting Numbers: [60, 18] Generated Node #0,2,1: 55:[60, 18] Operation: 10+8=18 Exploring Operation: 10-8=2, Resulting Numbers: [60, 2] Generated Node #0,2,2: 55:[60, 2] Operation: 10-8=2 Exploring Operation: 60-8=52, Resulting Numbers: [10, 52] Generated Node #0,2,3: 55:[10, 52] Operation: 60-8=52 Exploring Operation: 60/10=6, Resulting Numbers: [8, 6] Generated Node #0,2,4: 55:[8, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[10, 52], Operations: ['32-24=8', '60-8=52'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,55 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 #0,2,4 Current State: 55:[8, 6], Operations: ['32-24=8', '60/10=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,55 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 #0,2,0 Current State: 55:[8, 50], Operations: ['32-24=8', '60-10=50'] Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,55 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,55 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 #0,2,2 Current State: 55:[60, 2], Operations: ['32-24=8', '10-8=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,55 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 #0,2,1 Current State: 55:[60, 18], Operations: ['32-24=8', '10+8=18'] Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,55 unequal: No Solution Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,55 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: 55:[24, 60, 22], Operations: ['32-10=22'] Exploring Operation: 24+22=46, Resulting Numbers: [60, 46] Generated Node #0,3,0: 55:[60, 46] Operation: 24+22=46 Exploring Operation: 60-22=38, Resulting Numbers: [24, 38] Generated Node #0,3,1: 55:[24, 38] Operation: 60-22=38 Exploring Operation: 60-24=36, Resulting Numbers: [22, 36] Generated Node #0,3,2: 55:[22, 36] Operation: 60-24=36 Exploring Operation: 24-22=2, Resulting Numbers: [60, 2] Generated Node #0,3,3: 55:[60, 2] Operation: 24-22=2 Exploring Operation: 24+60=84, Resulting Numbers: [22, 84] Generated Node #0,3,4: 55:[22, 84] Operation: 24+60=84 Moving to Node #0,4 Current State: 55:[32, 60, 14], Operations: ['24-10=14'] Exploring Operation: 60-14=46, Resulting Numbers: [32, 46] Generated Node #0,4,0: 55:[32, 46] Operation: 60-14=46 Exploring Operation: 32+14=46, Resulting Numbers: [60, 46] Generated Node #0,4,1: 55:[60, 46] Operation: 32+14=46 Exploring Operation: 60-32=28, Resulting Numbers: [14, 28] Generated Node #0,4,2: 55:[14, 28] Operation: 60-32=28 Exploring Operation: 32+60=92, Resulting Numbers: [14, 92] Generated Node #0,4,3: 55:[14, 92] Operation: 32+60=92 Exploring Operation: 32-14=18, Resulting Numbers: [60, 18] Generated Node #0,4,4: 55:[60, 18] Operation: 32-14=18 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 55:[60, 18], Operations: ['24-10=14', '32-14=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,55 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,55 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 #0,4,1 Current State: 55:[60, 46], Operations: ['24-10=14', '32+14=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,55 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 #0,4,2 Current State: 55:[14, 28], Operations: ['24-10=14', '60-32=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,55 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 #0,4,0 Current State: 55:[32, 46], Operations: ['24-10=14', '60-14=46'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,55 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 #0,4,3 Current State: 55:[14, 92], Operations: ['24-10=14', '32+60=92'] Exploring Operation: 14+92=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 14*92=1288, Resulting Numbers: [1288] 1288,55 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: 55:[24, 60, 42], Operations: ['32+10=42'] Exploring Operation: 24+42=66, Resulting Numbers: [60, 66] Generated Node #0,1,0: 55:[60, 66] Operation: 24+42=66 Exploring Operation: 60-24=36, Resulting Numbers: [42, 36] Generated Node #0,1,1: 55:[42, 36] Operation: 60-24=36 Exploring Operation: 42-24=18, Resulting Numbers: [60, 18] Generated Node #0,1,2: 55:[60, 18] Operation: 42-24=18 Exploring Operation: 24+60=84, Resulting Numbers: [42, 84] Generated Node #0,1,3: 55:[42, 84] Operation: 24+60=84 Exploring Operation: 60-42=18, Resulting Numbers: [24, 18] Generated Node #0,1,4: 55:[24, 18] Operation: 60-42=18 Moving to Node #0,3,3 Current State: 55:[60, 2], Operations: ['32-10=22', '24-22=2'] Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[60, 18], Operations: ['32+10=42', '42-24=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[60, 46], Operations: ['32-10=22', '24+22=46'] Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,55 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[60, 66], Operations: ['32+10=42', '24+42=66'] Exploring Operation: 60+66=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 60*66=3960, Resulting Numbers: [3960] 3960,55 unequal: No Solution Moving to Node #0,1,4 Current State: 55:[24, 18], Operations: ['32+10=42', '60-42=18'] Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 24*18=432, Resulting Numbers: [432] 432,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[24, 38], Operations: ['32-10=22', '60-22=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[22, 36], Operations: ['32-10=22', '60-24=36'] Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,55 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[42, 36], Operations: ['32+10=42', '60-24=36'] Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 42*36=1512, Resulting Numbers: [1512] 1512,55 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[22, 84], Operations: ['32-10=22', '24+60=84'] Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 22+84=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 22*84=1848, Resulting Numbers: [1848] 1848,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[42, 84], Operations: ['32+10=42', '24+60=84'] Exploring Operation: 42+84=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 42*84=3528, Resulting Numbers: [3528] 3528,55 unequal: No Solution Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 65, 4, 61, 21 ]
55
[ "61-21=40", "40/4=10", "65-10=55" ]
Current State: 55:[65, 4, 61, 21], Operations: [] Exploring Operation: 61-21=40, Resulting Numbers: [65, 4, 40] Generated Node #2: [65, 4, 40] from Operation: 61-21=40 Current State: 55:[65, 4, 40], Operations: ['61-21=40'] Exploring Operation: 40/4=10, Resulting Numbers: [65, 10] Generated Node #3: [65, 10] from Operation: 40/4=10 Current State: 55:[65, 10], Operations: ['61-21=40', '40/4=10'] Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[65, 4, 61, 21], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [4, 21, 4] Generated Node #0,0: 55:[4, 21, 4] Operation: 65-61=4 Moving to Node #0,0 Current State: 55:[4, 21, 4], Operations: ['65-61=4'] Exploring Operation: 21-4=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 55:[4, 17] Operation: 21-4=17 Moving to Node #0,0,0 Current State: 55:[4, 17], Operations: ['65-61=4', '21-4=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,55 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 70, 73, 40, 42 ]
76
[ "42-40=2", "73*2=146", "146-70=76" ]
Current State: 76:[70, 73, 40, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [70, 73, 2] Generated Node #2: [70, 73, 2] from Operation: 42-40=2 Current State: 76:[70, 73, 2], Operations: ['42-40=2'] Exploring Operation: 73*2=146, Resulting Numbers: [70, 146] Generated Node #3: [70, 146] from Operation: 73*2=146 Current State: 76:[70, 146], Operations: ['42-40=2', '73*2=146'] Exploring Operation: 146-70=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[70, 73, 40, 42], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [73, 40, 28] Generated Node #0,0: 76:[73, 40, 28] Operation: 70-42=28 Exploring Operation: 42-40=2, Resulting Numbers: [70, 73, 2] Generated Node #0,1: 76:[70, 73, 2] Operation: 42-40=2 Exploring Operation: 73-70=3, Resulting Numbers: [40, 42, 3] Generated Node #0,2: 76:[40, 42, 3] Operation: 73-70=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[40, 42, 3], Operations: ['73-70=3'] Exploring Operation: 42-3=39, Resulting Numbers: [40, 39] Generated Node #0,2,0: 76:[40, 39] Operation: 42-3=39 Exploring Operation: 42-40=2, Resulting Numbers: [3, 2] Generated Node #0,2,1: 76:[3, 2] Operation: 42-40=2 Exploring Operation: 40-3=37, Resulting Numbers: [42, 37] Generated Node #0,2,2: 76:[42, 37] Operation: 40-3=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[3, 2], Operations: ['73-70=3', '42-40=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,76 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 #0,2,0 Current State: 76:[40, 39], Operations: ['73-70=3', '42-3=39'] Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,76 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 #0,2,2 Current State: 76:[42, 37], Operations: ['73-70=3', '40-3=37'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 42*37=1554, Resulting Numbers: [1554] 1554,76 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 #0,1 Current State: 76:[70, 73, 2], Operations: ['42-40=2'] Exploring Operation: 70+2=72, Resulting Numbers: [73, 72] Generated Node #0,1,0: 76:[73, 72] Operation: 70+2=72 Exploring Operation: 70/2=35, Resulting Numbers: [73, 35] Generated Node #0,1,1: 76:[73, 35] Operation: 70/2=35 Exploring Operation: 73-70=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 76:[2, 3] Operation: 73-70=3 Moving to Node #0,1,2 Current State: 76:[2, 3], Operations: ['42-40=2', '73-70=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[73, 35], Operations: ['42-40=2', '70/2=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[73, 72], Operations: ['42-40=2', '70+2=72'] Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,76 unequal: No Solution Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,76 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,76 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 #0,0 Current State: 76:[73, 40, 28], Operations: ['70-42=28'] Exploring Operation: 73-28=45, Resulting Numbers: [40, 45] Generated Node #0,0,0: 76:[40, 45] Operation: 73-28=45 Exploring Operation: 40-28=12, Resulting Numbers: [73, 12] Generated Node #0,0,1: 76:[73, 12] Operation: 40-28=12 Exploring Operation: 40+28=68, Resulting Numbers: [73, 68] Generated Node #0,0,2: 76:[73, 68] Operation: 40+28=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[40, 45], Operations: ['70-42=28', '73-28=45'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,76 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:[73, 12], Operations: ['70-42=28', '40-28=12'] Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,76 unequal: No Solution Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,76 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:[73, 68], Operations: ['70-42=28', '40+28=68'] Exploring Operation: 73+68=141, Resulting Numbers: [141] 141,76 unequal: No Solution Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 73*68=4964, Resulting Numbers: [4964] 4964,76 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 No solution found.
0
hs_3
mult_heuristic
[ 32, 12, 83, 20 ]
84
[ "32-12=20", "20/20=1", "83+1=84" ]
Current State: 84:[32, 12, 83, 20], Operations: [] Exploring Operation: 32-12=20, Resulting Numbers: [83, 20, 20] Generated Node #2: [83, 20, 20] from Operation: 32-12=20 Current State: 84:[83, 20, 20], Operations: ['32-12=20'] Exploring Operation: 20/20=1, Resulting Numbers: [83, 1] Generated Node #3: [83, 1] from Operation: 20/20=1 Current State: 84:[83, 1], Operations: ['32-12=20', '20/20=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[32, 12, 83, 20], Operations: [] Exploring Operation: 32+12=44, Resulting Numbers: [83, 20, 44] Generated Node #0,0: 84:[83, 20, 44] Operation: 32+12=44 Exploring Operation: 32-20=12, Resulting Numbers: [12, 83, 12] Generated Node #0,1: 84:[12, 83, 12] Operation: 32-20=12 Exploring Operation: 32-12=20, Resulting Numbers: [83, 20, 20] Generated Node #0,2: 84:[83, 20, 20] Operation: 32-12=20 Exploring Operation: 20-12=8, Resulting Numbers: [32, 83, 8] Generated Node #0,3: 84:[32, 83, 8] Operation: 20-12=8 Exploring Operation: 12+20=32, Resulting Numbers: [32, 83, 32] Generated Node #0,4: 84:[32, 83, 32] Operation: 12+20=32 Moving to Node #0,1 Current State: 84:[12, 83, 12], Operations: ['32-20=12'] Exploring Operation: 12+12=24, Resulting Numbers: [83, 24] Generated Node #0,1,0: 84:[83, 24] Operation: 12+12=24 Exploring Operation: 83+12=95, Resulting Numbers: [12, 95] Generated Node #0,1,1: 84:[12, 95] Operation: 83+12=95 Exploring Operation: 12/12=1, Resulting Numbers: [83, 1] Generated Node #0,1,2: 84:[83, 1] Operation: 12/12=1 Exploring Operation: 12+83=95, Resulting Numbers: [12, 95] Generated Node #0,1,3: 84:[12, 95] Operation: 12+83=95 Exploring Operation: 12-12=0, Resulting Numbers: [83, 0] Generated Node #0,1,4: 84:[83, 0] Operation: 12-12=0 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[83, 1], Operations: ['32-20=12', '12/12=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,84 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,84 unequal: No Solution Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,84 unequal: No Solution Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[32, 12, 83, 20], Operations: [] Exploring Operation: 32-20=12, Resulting Numbers: [12, 83, 12] Generated Node #0,1: 84:[12, 83, 12] Operation: 32-20=12 Moving to Node #0,1 Current State: 84:[12, 83, 12], Operations: ['32-20=12'] Exploring Operation: 12/12=1, Resulting Numbers: [83, 1] Generated Node #0,1,2: 84:[83, 1] Operation: 12/12=1 Moving to Node #0,1,2 Current State: 84:[83, 1], Operations: ['32-20=12', '12/12=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 92, 97, 96, 15 ]
32
[ "97-92=5", "96*5=480", "480/15=32" ]
Current State: 32:[92, 97, 96, 15], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [96, 15, 5] Generated Node #2: [96, 15, 5] from Operation: 97-92=5 Current State: 32:[96, 15, 5], Operations: ['97-92=5'] Exploring Operation: 96*5=480, Resulting Numbers: [15, 480] Generated Node #3: [15, 480] from Operation: 96*5=480 Current State: 32:[15, 480], Operations: ['97-92=5', '96*5=480'] Exploring Operation: 480/15=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[92, 97, 96, 15], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [97, 15, 4] Generated Node #0,0: 32:[97, 15, 4] Operation: 96-92=4 Exploring Operation: 92-15=77, Resulting Numbers: [97, 96, 77] Generated Node #0,1: 32:[97, 96, 77] Operation: 92-15=77 Exploring Operation: 97-96=1, Resulting Numbers: [92, 15, 1] Generated Node #0,2: 32:[92, 15, 1] Operation: 97-96=1 Exploring Operation: 97-92=5, Resulting Numbers: [96, 15, 5] Generated Node #0,3: 32:[96, 15, 5] Operation: 97-92=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[92, 15, 1], Operations: ['97-96=1'] Exploring Operation: 92-1=91, Resulting Numbers: [15, 91] Generated Node #0,2,0: 32:[15, 91] Operation: 92-1=91 Exploring Operation: 92*1=92, Resulting Numbers: [15, 92] Generated Node #0,2,1: 32:[15, 92] Operation: 92*1=92 Exploring Operation: 15+1=16, Resulting Numbers: [92, 16] Generated Node #0,2,2: 32:[92, 16] Operation: 15+1=16 Exploring Operation: 92-15=77, Resulting Numbers: [1, 77] Generated Node #0,2,3: 32:[1, 77] Operation: 92-15=77 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 32:[1, 77], Operations: ['97-96=1', '92-15=77'] Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,32 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: 32:[15, 91], Operations: ['97-96=1', '92-1=91'] Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,32 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,32 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: 32:[92, 16], Operations: ['97-96=1', '15+1=16'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,32 unequal: No Solution Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,32 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: 32:[15, 92], Operations: ['97-96=1', '92*1=92'] Exploring Operation: 15*92=1380, Resulting Numbers: [1380] 1380,32 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 15+92=107, Resulting Numbers: [107] 107,32 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: 32:[97, 15, 4], Operations: ['96-92=4'] Exploring Operation: 97-4=93, Resulting Numbers: [15, 93] Generated Node #0,0,0: 32:[15, 93] Operation: 97-4=93 Exploring Operation: 97-15=82, Resulting Numbers: [4, 82] Generated Node #0,0,1: 32:[4, 82] Operation: 97-15=82 Exploring Operation: 15+4=19, Resulting Numbers: [97, 19] Generated Node #0,0,2: 32:[97, 19] Operation: 15+4=19 Exploring Operation: 15-4=11, Resulting Numbers: [97, 11] Generated Node #0,0,3: 32:[97, 11] Operation: 15-4=11 Moving to Node #0,0,1 Current State: 32:[4, 82], Operations: ['96-92=4', '97-15=82'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,32 unequal: No Solution Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[15, 93], Operations: ['96-92=4', '97-4=93'] Exploring Operation: 15*93=1395, Resulting Numbers: [1395] 1395,32 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 15+93=108, Resulting Numbers: [108] 108,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[97, 11], Operations: ['96-92=4', '15-4=11'] Exploring Operation: 97+11=108, Resulting Numbers: [108] 108,32 unequal: No Solution Exploring Operation: 97*11=1067, Resulting Numbers: [1067] 1067,32 unequal: No Solution Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[97, 19], Operations: ['96-92=4', '15+4=19'] Exploring Operation: 97+19=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 97*19=1843, Resulting Numbers: [1843] 1843,32 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: 32:[96, 15, 5], Operations: ['97-92=5'] Exploring Operation: 96-5=91, Resulting Numbers: [15, 91] Generated Node #0,3,0: 32:[15, 91] Operation: 96-5=91 Exploring Operation: 15/5=3, Resulting Numbers: [96, 3] Generated Node #0,3,1: 32:[96, 3] Operation: 15/5=3 Exploring Operation: 15-5=10, Resulting Numbers: [96, 10] Generated Node #0,3,2: 32:[96, 10] Operation: 15-5=10 Exploring Operation: 96-15=81, Resulting Numbers: [5, 81] Generated Node #0,3,3: 32:[5, 81] Operation: 96-15=81 Moving to Node #0,3,3 Current State: 32:[5, 81], Operations: ['97-92=5', '96-15=81'] Exploring Operation: 5*81=405, Resulting Numbers: [405] 405,32 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[15, 91], Operations: ['97-92=5', '96-5=91'] Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,32 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,32 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[96, 3], Operations: ['97-92=5', '15/5=3'] Exploring Operation: 96*3=288, Resulting Numbers: [288] 288,32 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[92, 97, 96, 15], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [96, 15, 5] Generated Node #0,3: 32:[96, 15, 5] Operation: 97-92=5 Moving to Node #0,3 Current State: 32:[96, 15, 5], Operations: ['97-92=5'] Exploring Operation: 15/5=3, Resulting Numbers: [96, 3] Generated Node #0,3,1: 32:[96, 3] Operation: 15/5=3 Moving to Node #0,3,1 Current State: 32:[96, 3], Operations: ['97-92=5', '15/5=3'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_4
sum_heuristic
[ 13, 26, 86, 49 ]
74
[ "26/13=2", "86-49=37", "2*37=74" ]
Current State: 74:[13, 26, 86, 49], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [86, 49, 2] Generated Node #2: [86, 49, 2] from Operation: 26/13=2 Current State: 74:[86, 49, 2], Operations: ['26/13=2'] Exploring Operation: 86-49=37, Resulting Numbers: [2, 37] Generated Node #3: [2, 37] from Operation: 86-49=37 Current State: 74:[2, 37], Operations: ['26/13=2', '86-49=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[13, 26, 86, 49], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [86, 49, 2] Generated Node #0,0: 74:[86, 49, 2] Operation: 26/13=2 Exploring Operation: 26+49=75, Resulting Numbers: [13, 86, 75] Generated Node #0,1: 74:[13, 86, 75] Operation: 26+49=75 Exploring Operation: 86-13=73, Resulting Numbers: [26, 49, 73] Generated Node #0,2: 74:[26, 49, 73] Operation: 86-13=73 Exploring Operation: 86-49=37, Resulting Numbers: [13, 26, 37] Generated Node #0,3: 74:[13, 26, 37] Operation: 86-49=37 Exploring Operation: 49-13=36, Resulting Numbers: [26, 86, 36] Generated Node #0,4: 74:[26, 86, 36] Operation: 49-13=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[13, 26, 37], Operations: ['86-49=37'] Exploring Operation: 13+26=39, Resulting Numbers: [37, 39] Generated Node #0,3,0: 74:[37, 39] Operation: 13+26=39 Exploring Operation: 26+37=63, Resulting Numbers: [13, 63] Generated Node #0,3,1: 74:[13, 63] Operation: 26+37=63 Exploring Operation: 26/13=2, Resulting Numbers: [37, 2] Generated Node #0,3,2: 74:[37, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [37, 13] Generated Node #0,3,3: 74:[37, 13] Operation: 26-13=13 Exploring Operation: 37-26=11, Resulting Numbers: [13, 11] Generated Node #0,3,4: 74:[13, 11] Operation: 37-26=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[37, 2], Operations: ['86-49=37', '26/13=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[13, 26, 86, 49], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [13, 26, 37] Generated Node #0,3: 74:[13, 26, 37] Operation: 86-49=37 Moving to Node #0,3 Current State: 74:[13, 26, 37], Operations: ['86-49=37'] Exploring Operation: 26/13=2, Resulting Numbers: [37, 2] Generated Node #0,3,2: 74:[37, 2] Operation: 26/13=2 Moving to Node #0,3,2 Current State: 74:[37, 2], Operations: ['86-49=37', '26/13=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 10, 97, 15, 34 ]
46
[ "15*34=510", "510/10=51", "97-51=46" ]
Current State: 46:[10, 97, 15, 34], Operations: [] Exploring Operation: 15*34=510, Resulting Numbers: [10, 97, 510] Generated Node #2: [10, 97, 510] from Operation: 15*34=510 Current State: 46:[10, 97, 510], Operations: ['15*34=510'] Exploring Operation: 510/10=51, Resulting Numbers: [97, 51] Generated Node #3: [97, 51] from Operation: 510/10=51 Current State: 46:[97, 51], Operations: ['15*34=510', '510/10=51'] Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[10, 97, 15, 34], Operations: [] Exploring Operation: 97-10=87, Resulting Numbers: [15, 34, 87] Generated Node #0,0: 46:[15, 34, 87] Operation: 97-10=87 Exploring Operation: 97-15=82, Resulting Numbers: [10, 34, 82] Generated Node #0,1: 46:[10, 34, 82] Operation: 97-15=82 Exploring Operation: 97-34=63, Resulting Numbers: [10, 15, 63] Generated Node #0,2: 46:[10, 15, 63] Operation: 97-34=63 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[10, 15, 63], Operations: ['97-34=63'] Exploring Operation: 63-10=53, Resulting Numbers: [15, 53] Generated Node #0,2,0: 46:[15, 53] Operation: 63-10=53 Exploring Operation: 63-15=48, Resulting Numbers: [10, 48] Generated Node #0,2,1: 46:[10, 48] Operation: 63-15=48 Exploring Operation: 10+15=25, Resulting Numbers: [63, 25] Generated Node #0,2,2: 46:[63, 25] Operation: 10+15=25 Moving to Node #0,2,1 Current State: 46:[10, 48], Operations: ['97-34=63', '63-15=48'] Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,46 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[15, 53], Operations: ['97-34=63', '63-10=53'] Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,46 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[63, 25], Operations: ['97-34=63', '10+15=25'] Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,46 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,46 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,46 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: 46:[10, 34, 82], Operations: ['97-15=82'] Exploring Operation: 34-10=24, Resulting Numbers: [82, 24] Generated Node #0,1,0: 46:[82, 24] Operation: 34-10=24 Exploring Operation: 82-34=48, Resulting Numbers: [10, 48] Generated Node #0,1,1: 46:[10, 48] Operation: 82-34=48 Exploring Operation: 82-10=72, Resulting Numbers: [34, 72] Generated Node #0,1,2: 46:[34, 72] Operation: 82-10=72 Moving to Node #0,1,1 Current State: 46:[10, 48], Operations: ['97-15=82', '82-34=48'] Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,46 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[82, 24], Operations: ['97-15=82', '34-10=24'] Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,46 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[34, 72], Operations: ['97-15=82', '82-10=72'] Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,46 unequal: No Solution Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,46 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: 46:[15, 34, 87], Operations: ['97-10=87'] Exploring Operation: 87-34=53, Resulting Numbers: [15, 53] Generated Node #0,0,0: 46:[15, 53] Operation: 87-34=53 Exploring Operation: 15+34=49, Resulting Numbers: [87, 49] Generated Node #0,0,1: 46:[87, 49] Operation: 15+34=49 Exploring Operation: 87-15=72, Resulting Numbers: [34, 72] Generated Node #0,0,2: 46:[34, 72] Operation: 87-15=72 Moving to Node #0,0,0 Current State: 46:[15, 53], Operations: ['97-10=87', '87-34=53'] Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[34, 72], Operations: ['97-10=87', '87-15=72'] Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,46 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,46 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[87, 49], Operations: ['97-10=87', '15+34=49'] Exploring Operation: 87-49=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 87+49=136, Resulting Numbers: [136] 136,46 unequal: No Solution Exploring Operation: 87*49=4263, Resulting Numbers: [4263] 4263,46 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
[ 48, 15, 44, 21 ]
98
[ "48-15=33", "44+21=65", "33+65=98" ]
Current State: 98:[48, 15, 44, 21], Operations: [] Exploring Operation: 48-15=33, Resulting Numbers: [44, 21, 33] Generated Node #2: [44, 21, 33] from Operation: 48-15=33 Current State: 98:[44, 21, 33], Operations: ['48-15=33'] Exploring Operation: 44+21=65, Resulting Numbers: [33, 65] Generated Node #3: [33, 65] from Operation: 44+21=65 Current State: 98:[33, 65], Operations: ['48-15=33', '44+21=65'] Exploring Operation: 33+65=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[48, 15, 44, 21], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [15, 21, 4] Generated Node #0,0: 98:[15, 21, 4] Operation: 48-44=4 Exploring Operation: 48+44=92, Resulting Numbers: [15, 21, 92] Generated Node #0,1: 98:[15, 21, 92] Operation: 48+44=92 Exploring Operation: 21-15=6, Resulting Numbers: [48, 44, 6] Generated Node #0,2: 98:[48, 44, 6] Operation: 21-15=6 Exploring Operation: 44-21=23, Resulting Numbers: [48, 15, 23] Generated Node #0,3: 98:[48, 15, 23] Operation: 44-21=23 Exploring Operation: 15+44=59, Resulting Numbers: [48, 21, 59] Generated Node #0,4: 98:[48, 21, 59] Operation: 15+44=59 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[48, 44, 6], Operations: ['21-15=6'] Exploring Operation: 44+6=50, Resulting Numbers: [48, 50] Generated Node #0,2,0: 98:[48, 50] Operation: 44+6=50 Exploring Operation: 48+44=92, Resulting Numbers: [6, 92] Generated Node #0,2,1: 98:[6, 92] Operation: 48+44=92 Exploring Operation: 48/6=8, Resulting Numbers: [44, 8] Generated Node #0,2,2: 98:[44, 8] Operation: 48/6=8 Exploring Operation: 48+6=54, Resulting Numbers: [44, 54] Generated Node #0,2,3: 98:[44, 54] Operation: 48+6=54 Exploring Operation: 48-44=4, Resulting Numbers: [6, 4] Generated Node #0,2,4: 98:[6, 4] Operation: 48-44=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[48, 50], Operations: ['21-15=6', '44+6=50'] Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[48, 15, 44, 21], Operations: [] Exploring Operation: 21-15=6, Resulting Numbers: [48, 44, 6] Generated Node #0,2: 98:[48, 44, 6] Operation: 21-15=6 Moving to Node #0,2 Current State: 98:[48, 44, 6], Operations: ['21-15=6'] Exploring Operation: 44+6=50, Resulting Numbers: [48, 50] Generated Node #0,2,0: 98:[48, 50] Operation: 44+6=50 Moving to Node #0,2,0 Current State: 98:[48, 50], Operations: ['21-15=6', '44+6=50'] Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 60, 69, 87, 19 ]
60
[ "87-69=18", "19-18=1", "60*1=60" ]
Current State: 60:[60, 69, 87, 19], Operations: [] Exploring Operation: 87-69=18, Resulting Numbers: [60, 19, 18] Generated Node #2: [60, 19, 18] from Operation: 87-69=18 Current State: 60:[60, 19, 18], Operations: ['87-69=18'] Exploring Operation: 19-18=1, Resulting Numbers: [60, 1] Generated Node #3: [60, 1] from Operation: 19-18=1 Current State: 60:[60, 1], Operations: ['87-69=18', '19-18=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[60, 69, 87, 19], Operations: [] Exploring Operation: 87-69=18, Resulting Numbers: [60, 19, 18] Generated Node #0,0: 60:[60, 19, 18] Operation: 87-69=18 Exploring Operation: 87-60=27, Resulting Numbers: [69, 19, 27] Generated Node #0,1: 60:[69, 19, 27] Operation: 87-60=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[60, 19, 18], Operations: ['87-69=18'] Exploring Operation: 19+18=37, Resulting Numbers: [60, 37] Generated Node #0,0,0: 60:[60, 37] Operation: 19+18=37 Exploring Operation: 19-18=1, Resulting Numbers: [60, 1] Generated Node #0,0,1: 60:[60, 1] Operation: 19-18=1 Moving to Node #0,0,1 Current State: 60:[60, 1], Operations: ['87-69=18', '19-18=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[60, 69, 87, 19], Operations: [] Exploring Operation: 87-69=18, Resulting Numbers: [60, 19, 18] Generated Node #0,0: 60:[60, 19, 18] Operation: 87-69=18 Moving to Node #0,0 Current State: 60:[60, 19, 18], Operations: ['87-69=18'] Exploring Operation: 19-18=1, Resulting Numbers: [60, 1] Generated Node #0,0,1: 60:[60, 1] Operation: 19-18=1 Moving to Node #0,0,1 Current State: 60:[60, 1], Operations: ['87-69=18', '19-18=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 71, 67, 22, 90 ]
28
[ "71-67=4", "22+90=112", "112/4=28" ]
Current State: 28:[71, 67, 22, 90], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [22, 90, 4] Generated Node #2: [22, 90, 4] from Operation: 71-67=4 Current State: 28:[22, 90, 4], Operations: ['71-67=4'] Exploring Operation: 22+90=112, Resulting Numbers: [4, 112] Generated Node #3: [4, 112] from Operation: 22+90=112 Current State: 28:[4, 112], Operations: ['71-67=4', '22+90=112'] Exploring Operation: 112/4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[71, 67, 22, 90], Operations: [] Exploring Operation: 71-22=49, Resulting Numbers: [67, 90, 49] Generated Node #0,0: 28:[67, 90, 49] Operation: 71-22=49 Exploring Operation: 90-71=19, Resulting Numbers: [67, 22, 19] Generated Node #0,1: 28:[67, 22, 19] Operation: 90-71=19 Exploring Operation: 90-67=23, Resulting Numbers: [71, 22, 23] Generated Node #0,2: 28:[71, 22, 23] Operation: 90-67=23 Exploring Operation: 71-67=4, Resulting Numbers: [22, 90, 4] Generated Node #0,3: 28:[22, 90, 4] Operation: 71-67=4 Exploring Operation: 67-22=45, Resulting Numbers: [71, 90, 45] Generated Node #0,4: 28:[71, 90, 45] Operation: 67-22=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[67, 22, 19], Operations: ['90-71=19'] Exploring Operation: 67-22=45, Resulting Numbers: [19, 45] Generated Node #0,1,0: 28:[19, 45] Operation: 67-22=45 Exploring Operation: 67+19=86, Resulting Numbers: [22, 86] Generated Node #0,1,1: 28:[22, 86] Operation: 67+19=86 Exploring Operation: 22+19=41, Resulting Numbers: [67, 41] Generated Node #0,1,2: 28:[67, 41] Operation: 22+19=41 Exploring Operation: 67-19=48, Resulting Numbers: [22, 48] Generated Node #0,1,3: 28:[22, 48] Operation: 67-19=48 Exploring Operation: 22-19=3, Resulting Numbers: [67, 3] Generated Node #0,1,4: 28:[67, 3] Operation: 22-19=3 Moving to Node #0,1,0 Current State: 28:[19, 45], Operations: ['90-71=19', '67-22=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,28 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[22, 48], Operations: ['90-71=19', '67-19=48'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,28 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,28 unequal: No Solution Moving to Node #0,1,4 Current State: 28:[67, 3], Operations: ['90-71=19', '22-19=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,28 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,28 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[67, 41], Operations: ['90-71=19', '22+19=41'] Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,28 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[22, 86], Operations: ['90-71=19', '67+19=86'] Exploring Operation: 22+86=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 22*86=1892, Resulting Numbers: [1892] 1892,28 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,28 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: 28:[71, 22, 23], Operations: ['90-67=23'] Exploring Operation: 71-23=48, Resulting Numbers: [22, 48] Generated Node #0,2,0: 28:[22, 48] Operation: 71-23=48 Exploring Operation: 22+23=45, Resulting Numbers: [71, 45] Generated Node #0,2,1: 28:[71, 45] Operation: 22+23=45 Exploring Operation: 71-22=49, Resulting Numbers: [23, 49] Generated Node #0,2,2: 28:[23, 49] Operation: 71-22=49 Exploring Operation: 71+22=93, Resulting Numbers: [23, 93] Generated Node #0,2,3: 28:[23, 93] Operation: 71+22=93 Exploring Operation: 23-22=1, Resulting Numbers: [71, 1] Generated Node #0,2,4: 28:[71, 1] Operation: 23-22=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[22, 48], Operations: ['90-67=23', '71-23=48'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,28 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,28 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: 28:[23, 49], Operations: ['90-67=23', '71-22=49'] Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,28 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,28 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: 28:[71, 1], Operations: ['90-67=23', '23-22=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,28 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,28 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: 28:[71, 45], Operations: ['90-67=23', '22+23=45'] Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,28 unequal: No Solution Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,28 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: 28:[23, 93], Operations: ['90-67=23', '71+22=93'] Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,28 unequal: No Solution Exploring Operation: 23*93=2139, Resulting Numbers: [2139] 2139,28 unequal: No Solution Exploring Operation: 23+93=116, Resulting Numbers: [116] 116,28 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: 28:[22, 90, 4], Operations: ['71-67=4'] Exploring Operation: 90+4=94, Resulting Numbers: [22, 94] Generated Node #0,3,0: 28:[22, 94] Operation: 90+4=94 Exploring Operation: 90-4=86, Resulting Numbers: [22, 86] Generated Node #0,3,1: 28:[22, 86] Operation: 90-4=86 Exploring Operation: 22+4=26, Resulting Numbers: [90, 26] Generated Node #0,3,2: 28:[90, 26] Operation: 22+4=26 Exploring Operation: 22-4=18, Resulting Numbers: [90, 18] Generated Node #0,3,3: 28:[90, 18] Operation: 22-4=18 Exploring Operation: 90-22=68, Resulting Numbers: [4, 68] Generated Node #0,3,4: 28:[4, 68] Operation: 90-22=68 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 28:[4, 68], Operations: ['71-67=4', '90-22=68'] Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 4*68=272, Resulting Numbers: [272] 272,28 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,28 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: 28:[22, 86], Operations: ['71-67=4', '90-4=86'] Exploring Operation: 22+86=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,28 unequal: No Solution Exploring Operation: 22*86=1892, Resulting Numbers: [1892] 1892,28 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 #0,3,2 Current State: 28:[90, 26], Operations: ['71-67=4', '22+4=26'] Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,28 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,28 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,28 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: 28:[90, 18], Operations: ['71-67=4', '22-4=18'] Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 90*18=1620, Resulting Numbers: [1620] 1620,28 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,28 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: 28:[22, 94], Operations: ['71-67=4', '90+4=94'] Exploring Operation: 22+94=116, Resulting Numbers: [116] 116,28 unequal: No Solution Exploring Operation: 22*94=2068, Resulting Numbers: [2068] 2068,28 unequal: No Solution Exploring Operation: 94-22=72, Resulting Numbers: [72] 72,28 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: 28:[67, 90, 49], Operations: ['71-22=49'] Exploring Operation: 90-67=23, Resulting Numbers: [49, 23] Generated Node #0,0,0: 28:[49, 23] Operation: 90-67=23 Exploring Operation: 67+90=157, Resulting Numbers: [49, 157] Generated Node #0,0,1: 28:[49, 157] Operation: 67+90=157 Exploring Operation: 90-49=41, Resulting Numbers: [67, 41] Generated Node #0,0,2: 28:[67, 41] Operation: 90-49=41 Exploring Operation: 67-49=18, Resulting Numbers: [90, 18] Generated Node #0,0,3: 28:[90, 18] Operation: 67-49=18 Exploring Operation: 67+49=116, Resulting Numbers: [90, 116] Generated Node #0,0,4: 28:[90, 116] Operation: 67+49=116 Moving to Node #0,0,0 Current State: 28:[49, 23], Operations: ['71-22=49', '90-67=23'] Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,28 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[67, 41], Operations: ['71-22=49', '90-49=41'] Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[90, 18], Operations: ['71-22=49', '67-49=18'] Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 90*18=1620, Resulting Numbers: [1620] 1620,28 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[49, 157], Operations: ['71-22=49', '67+90=157'] Exploring Operation: 49+157=206, Resulting Numbers: [206] 206,28 unequal: No Solution Exploring Operation: 157-49=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 49*157=7693, Resulting Numbers: [7693] 7693,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[90, 116], Operations: ['71-22=49', '67+49=116'] Exploring Operation: 90+116=206, Resulting Numbers: [206] 206,28 unequal: No Solution Exploring Operation: 116-90=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 90*116=10440, Resulting Numbers: [10440] 10440,28 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: 28:[71, 90, 45], Operations: ['67-22=45'] Exploring Operation: 71+90=161, Resulting Numbers: [45, 161] Generated Node #0,4,0: 28:[45, 161] Operation: 71+90=161 Exploring Operation: 71-45=26, Resulting Numbers: [90, 26] Generated Node #0,4,1: 28:[90, 26] Operation: 71-45=26 Exploring Operation: 90-71=19, Resulting Numbers: [45, 19] Generated Node #0,4,2: 28:[45, 19] Operation: 90-71=19 Exploring Operation: 90/45=2, Resulting Numbers: [71, 2] Generated Node #0,4,3: 28:[71, 2] Operation: 90/45=2 Exploring Operation: 90-45=45, Resulting Numbers: [71, 45] Generated Node #0,4,4: 28:[71, 45] Operation: 90-45=45 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 28:[45, 19], Operations: ['67-22=45', '90-71=19'] Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,28 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,28 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,28 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: 28:[71, 2], Operations: ['67-22=45', '90/45=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,28 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: 28:[71, 45], Operations: ['67-22=45', '90-45=45'] Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,28 unequal: No Solution Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,28 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,28 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: 28:[90, 26], Operations: ['67-22=45', '71-45=26'] Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,28 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,28 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,28 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: 28:[45, 161], Operations: ['67-22=45', '71+90=161'] Exploring Operation: 45+161=206, Resulting Numbers: [206] 206,28 unequal: No Solution Exploring Operation: 161-45=116, Resulting Numbers: [116] 116,28 unequal: No Solution Exploring Operation: 45*161=7245, Resulting Numbers: [7245] 7245,28 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
[ 10, 31, 72, 74 ]
26
[ "74-72=2", "10/2=5", "31-5=26" ]
Current State: 26:[10, 31, 72, 74], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [10, 31, 2] Generated Node #2: [10, 31, 2] from Operation: 74-72=2 Current State: 26:[10, 31, 2], Operations: ['74-72=2'] Exploring Operation: 10/2=5, Resulting Numbers: [31, 5] Generated Node #3: [31, 5] from Operation: 10/2=5 Current State: 26:[31, 5], Operations: ['74-72=2', '10/2=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[10, 31, 72, 74], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [10, 31, 2] Generated Node #0,0: 26:[10, 31, 2] Operation: 74-72=2 Exploring Operation: 72-31=41, Resulting Numbers: [10, 74, 41] Generated Node #0,1: 26:[10, 74, 41] Operation: 72-31=41 Moving to Node #0,0 Current State: 26:[10, 31, 2], Operations: ['74-72=2'] Exploring Operation: 31-10=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 26:[2, 21] Operation: 31-10=21 Exploring Operation: 10+2=12, Resulting Numbers: [31, 12] Generated Node #0,0,1: 26:[31, 12] Operation: 10+2=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[2, 21], Operations: ['74-72=2', '31-10=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,26 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 #0,0,1 Current State: 26:[31, 12], Operations: ['74-72=2', '10+2=12'] Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,26 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: 26:[10, 74, 41], Operations: ['72-31=41'] Exploring Operation: 74-41=33, Resulting Numbers: [10, 33] Generated Node #0,1,0: 26:[10, 33] Operation: 74-41=33 Exploring Operation: 74-10=64, Resulting Numbers: [41, 64] Generated Node #0,1,1: 26:[41, 64] Operation: 74-10=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[10, 33], Operations: ['72-31=41', '74-41=33'] Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,26 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:[41, 64], Operations: ['72-31=41', '74-10=64'] Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 41+64=105, Resulting Numbers: [105] 105,26 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
[ 27, 44, 58, 25 ]
100
[ "44-27=17", "58+25=83", "17+83=100" ]
Current State: 100:[27, 44, 58, 25], Operations: [] Exploring Operation: 44-27=17, Resulting Numbers: [58, 25, 17] Generated Node #2: [58, 25, 17] from Operation: 44-27=17 Current State: 100:[58, 25, 17], Operations: ['44-27=17'] Exploring Operation: 58+25=83, Resulting Numbers: [17, 83] Generated Node #3: [17, 83] from Operation: 58+25=83 Current State: 100:[17, 83], Operations: ['44-27=17', '58+25=83'] Exploring Operation: 17+83=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[27, 44, 58, 25], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [27, 58, 19] Generated Node #0,0: 100:[27, 58, 19] Operation: 44-25=19 Exploring Operation: 44+58=102, Resulting Numbers: [27, 25, 102] Generated Node #0,1: 100:[27, 25, 102] Operation: 44+58=102 Exploring Operation: 58-27=31, Resulting Numbers: [44, 25, 31] Generated Node #0,2: 100:[44, 25, 31] Operation: 58-27=31 Exploring Operation: 58-44=14, Resulting Numbers: [27, 25, 14] Generated Node #0,3: 100:[27, 25, 14] Operation: 58-44=14 Exploring Operation: 44-27=17, Resulting Numbers: [58, 25, 17] Generated Node #0,4: 100:[58, 25, 17] Operation: 44-27=17 Moving to Node #0,1 Current State: 100:[27, 25, 102], Operations: ['44+58=102'] Exploring Operation: 102-25=77, Resulting Numbers: [27, 77] Generated Node #0,1,0: 100:[27, 77] Operation: 102-25=77 Exploring Operation: 102-27=75, Resulting Numbers: [25, 75] Generated Node #0,1,1: 100:[25, 75] Operation: 102-27=75 Exploring Operation: 27+102=129, Resulting Numbers: [25, 129] Generated Node #0,1,2: 100:[25, 129] Operation: 27+102=129 Exploring Operation: 27-25=2, Resulting Numbers: [102, 2] Generated Node #0,1,3: 100:[102, 2] Operation: 27-25=2 Exploring Operation: 27+25=52, Resulting Numbers: [102, 52] Generated Node #0,1,4: 100:[102, 52] Operation: 27+25=52 Moving to Node #0,3 Current State: 100:[27, 25, 14], Operations: ['58-44=14'] Exploring Operation: 27+25=52, Resulting Numbers: [14, 52] Generated Node #0,3,0: 100:[14, 52] Operation: 27+25=52 Exploring Operation: 27-14=13, Resulting Numbers: [25, 13] Generated Node #0,3,1: 100:[25, 13] Operation: 27-14=13 Exploring Operation: 27-25=2, Resulting Numbers: [14, 2] Generated Node #0,3,2: 100:[14, 2] Operation: 27-25=2 Exploring Operation: 27+14=41, Resulting Numbers: [25, 41] Generated Node #0,3,3: 100:[25, 41] Operation: 27+14=41 Exploring Operation: 25-14=11, Resulting Numbers: [27, 11] Generated Node #0,3,4: 100:[27, 11] Operation: 25-14=11 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[25, 13], Operations: ['58-44=14', '27-14=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,100 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,100 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: 100:[27, 11], Operations: ['58-44=14', '25-14=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,100 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,100 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: 100:[14, 2], Operations: ['58-44=14', '27-25=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,100 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: 100:[14, 52], Operations: ['58-44=14', '27+25=52'] Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,100 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,100 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: 100:[25, 41], Operations: ['58-44=14', '27+14=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,100 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,100 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: 100:[27, 58, 19], Operations: ['44-25=19'] Exploring Operation: 27+19=46, Resulting Numbers: [58, 46] Generated Node #0,0,0: 100:[58, 46] Operation: 27+19=46 Exploring Operation: 58-19=39, Resulting Numbers: [27, 39] Generated Node #0,0,1: 100:[27, 39] Operation: 58-19=39 Exploring Operation: 27-19=8, Resulting Numbers: [58, 8] Generated Node #0,0,2: 100:[58, 8] Operation: 27-19=8 Exploring Operation: 27+58=85, Resulting Numbers: [19, 85] Generated Node #0,0,3: 100:[19, 85] Operation: 27+58=85 Exploring Operation: 58-27=31, Resulting Numbers: [19, 31] Generated Node #0,0,4: 100:[19, 31] Operation: 58-27=31 Moving to Node #0,4 Current State: 100:[58, 25, 17], Operations: ['44-27=17'] Exploring Operation: 25+17=42, Resulting Numbers: [58, 42] Generated Node #0,4,0: 100:[58, 42] Operation: 25+17=42 Exploring Operation: 58+25=83, Resulting Numbers: [17, 83] Generated Node #0,4,1: 100:[17, 83] Operation: 58+25=83 Exploring Operation: 25-17=8, Resulting Numbers: [58, 8] Generated Node #0,4,2: 100:[58, 8] Operation: 25-17=8 Exploring Operation: 58-25=33, Resulting Numbers: [17, 33] Generated Node #0,4,3: 100:[17, 33] Operation: 58-25=33 Exploring Operation: 58-17=41, Resulting Numbers: [25, 41] Generated Node #0,4,4: 100:[25, 41] Operation: 58-17=41 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 100:[25, 41], Operations: ['44-27=17', '58-17=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,100 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,100 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: 100:[58, 8], Operations: ['44-27=17', '25-17=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,100 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,100 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: 100:[17, 33], Operations: ['44-27=17', '58-25=33'] Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,100 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: 100:[58, 42], Operations: ['44-27=17', '25+17=42'] Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[27, 44, 58, 25], Operations: [] Exploring Operation: 44-27=17, Resulting Numbers: [58, 25, 17] Generated Node #0,4: 100:[58, 25, 17] Operation: 44-27=17 Moving to Node #0,4 Current State: 100:[58, 25, 17], Operations: ['44-27=17'] Exploring Operation: 25+17=42, Resulting Numbers: [58, 42] Generated Node #0,4,0: 100:[58, 42] Operation: 25+17=42 Moving to Node #0,4,0 Current State: 100:[58, 42], Operations: ['44-27=17', '25+17=42'] Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 2, 15, 5, 74 ]
56
[ "15-2=13", "74-5=69", "69-13=56" ]
Current State: 56:[2, 15, 5, 74], Operations: [] Exploring Operation: 15-2=13, Resulting Numbers: [5, 74, 13] Generated Node #2: [5, 74, 13] from Operation: 15-2=13 Current State: 56:[5, 74, 13], Operations: ['15-2=13'] Exploring Operation: 74-5=69, Resulting Numbers: [13, 69] Generated Node #3: [13, 69] from Operation: 74-5=69 Current State: 56:[13, 69], Operations: ['15-2=13', '74-5=69'] Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[2, 15, 5, 74], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [2, 5, 59] Generated Node #0,0: 56:[2, 5, 59] Operation: 74-15=59 Moving to Node #0,0 Current State: 56:[2, 5, 59], Operations: ['74-15=59'] Exploring Operation: 59-2=57, Resulting Numbers: [5, 57] Generated Node #0,0,0: 56:[5, 57] Operation: 59-2=57 Moving to Node #0,0,0 Current State: 56:[5, 57], Operations: ['74-15=59', '59-2=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,56 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 29, 26, 20, 37 ]
99
[ "29-20=9", "37-26=11", "9*11=99" ]
Current State: 99:[29, 26, 20, 37], Operations: [] Exploring Operation: 29-20=9, Resulting Numbers: [26, 37, 9] Generated Node #2: [26, 37, 9] from Operation: 29-20=9 Current State: 99:[26, 37, 9], Operations: ['29-20=9'] Exploring Operation: 37-26=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 37-26=11 Current State: 99:[9, 11], Operations: ['29-20=9', '37-26=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[29, 26, 20, 37], Operations: [] Exploring Operation: 26-20=6, Resulting Numbers: [29, 37, 6] Generated Node #0,0: 99:[29, 37, 6] Operation: 26-20=6 Exploring Operation: 29-20=9, Resulting Numbers: [26, 37, 9] Generated Node #0,1: 99:[26, 37, 9] Operation: 29-20=9 Exploring Operation: 29-26=3, Resulting Numbers: [20, 37, 3] Generated Node #0,2: 99:[20, 37, 3] Operation: 29-26=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[29, 37, 6], Operations: ['26-20=6'] Exploring Operation: 29+6=35, Resulting Numbers: [37, 35] Generated Node #0,0,0: 99:[37, 35] Operation: 29+6=35 Exploring Operation: 37-29=8, Resulting Numbers: [6, 8] Generated Node #0,0,1: 99:[6, 8] Operation: 37-29=8 Exploring Operation: 37-6=31, Resulting Numbers: [29, 31] Generated Node #0,0,2: 99:[29, 31] Operation: 37-6=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[6, 8], Operations: ['26-20=6', '37-29=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,99 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: 99:[37, 35], Operations: ['26-20=6', '29+6=35'] Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,99 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,99 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: 99:[29, 31], Operations: ['26-20=6', '37-6=31'] Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,99 unequal: No Solution Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,99 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: 99:[26, 37, 9], Operations: ['29-20=9'] Exploring Operation: 26-9=17, Resulting Numbers: [37, 17] Generated Node #0,1,0: 99:[37, 17] Operation: 26-9=17 Exploring Operation: 26+9=35, Resulting Numbers: [37, 35] Generated Node #0,1,1: 99:[37, 35] Operation: 26+9=35 Exploring Operation: 37-26=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 99:[9, 11] Operation: 37-26=11 Moving to Node #0,1,2 Current State: 99:[9, 11], Operations: ['29-20=9', '37-26=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[29, 26, 20, 37], Operations: [] Exploring Operation: 29-20=9, Resulting Numbers: [26, 37, 9] Generated Node #0,1: 99:[26, 37, 9] Operation: 29-20=9 Moving to Node #0,1 Current State: 99:[26, 37, 9], Operations: ['29-20=9'] Exploring Operation: 37-26=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 99:[9, 11] Operation: 37-26=11 Moving to Node #0,1,2 Current State: 99:[9, 11], Operations: ['29-20=9', '37-26=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 91, 46, 2, 6 ]
93
[ "6-2=4", "46*4=184", "184-91=93" ]
Current State: 93:[91, 46, 2, 6], Operations: [] Exploring Operation: 6-2=4, Resulting Numbers: [91, 46, 4] Generated Node #2: [91, 46, 4] from Operation: 6-2=4 Current State: 93:[91, 46, 4], Operations: ['6-2=4'] Exploring Operation: 46*4=184, Resulting Numbers: [91, 184] Generated Node #3: [91, 184] from Operation: 46*4=184 Current State: 93:[91, 184], Operations: ['6-2=4', '46*4=184'] Exploring Operation: 184-91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[91, 46, 2, 6], Operations: [] Exploring Operation: 46*2=92, Resulting Numbers: [91, 6, 92] Generated Node #0,0: 93:[91, 6, 92] Operation: 46*2=92 Exploring Operation: 46-6=40, Resulting Numbers: [91, 2, 40] Generated Node #0,1: 93:[91, 2, 40] Operation: 46-6=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[91, 6, 92], Operations: ['46*2=92'] Exploring Operation: 92-91=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 93:[6, 1] Operation: 92-91=1 Exploring Operation: 91+6=97, Resulting Numbers: [92, 97] Generated Node #0,0,1: 93:[92, 97] Operation: 91+6=97 Moving to Node #0,0,0 Current State: 93:[6, 1], Operations: ['46*2=92', '92-91=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[92, 97], Operations: ['46*2=92', '91+6=97'] Exploring Operation: 92+97=189, Resulting Numbers: [189] 189,93 unequal: No Solution Exploring Operation: 97-92=5, Resulting Numbers: [5] 5,93 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:[91, 2, 40], Operations: ['46-6=40'] Exploring Operation: 91+2=93, Resulting Numbers: [40, 93] Generated Node #0,1,0: 93:[40, 93] Operation: 91+2=93 Exploring Operation: 40-2=38, Resulting Numbers: [91, 38] Generated Node #0,1,1: 93:[91, 38] Operation: 40-2=38 Moving to Node #0,1,0 Current State: 93:[40, 93], Operations: ['46-6=40', '91+2=93'] Exploring Operation: 40+93=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[91, 38], Operations: ['46-6=40', '40-2=38'] Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,93 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
[ 36, 60, 21, 56 ]
52
[ "36-21=15", "60/15=4", "56-4=52" ]
Current State: 52:[36, 60, 21, 56], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [60, 56, 15] Generated Node #2: [60, 56, 15] from Operation: 36-21=15 Current State: 52:[60, 56, 15], Operations: ['36-21=15'] Exploring Operation: 60/15=4, Resulting Numbers: [56, 4] Generated Node #3: [56, 4] from Operation: 60/15=4 Current State: 52:[56, 4], Operations: ['36-21=15', '60/15=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[36, 60, 21, 56], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [60, 56, 15] Generated Node #0,0: 52:[60, 56, 15] Operation: 36-21=15 Exploring Operation: 60-36=24, Resulting Numbers: [21, 56, 24] Generated Node #0,1: 52:[21, 56, 24] Operation: 60-36=24 Exploring Operation: 60-56=4, Resulting Numbers: [36, 21, 4] Generated Node #0,2: 52:[36, 21, 4] Operation: 60-56=4 Moving to Node #0,1 Current State: 52:[21, 56, 24], Operations: ['60-36=24'] Exploring Operation: 56-21=35, Resulting Numbers: [24, 35] Generated Node #0,1,0: 52:[24, 35] Operation: 56-21=35 Exploring Operation: 21+24=45, Resulting Numbers: [56, 45] Generated Node #0,1,1: 52:[56, 45] Operation: 21+24=45 Exploring Operation: 24-21=3, Resulting Numbers: [56, 3] Generated Node #0,1,2: 52:[56, 3] Operation: 24-21=3 Moving to Node #0,0 Current State: 52:[60, 56, 15], Operations: ['36-21=15'] Exploring Operation: 60-15=45, Resulting Numbers: [56, 45] Generated Node #0,0,0: 52:[56, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [56, 4] Generated Node #0,0,1: 52:[56, 4] Operation: 60/15=4 Exploring Operation: 60-56=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 52:[15, 4] Operation: 60-56=4 Moving to Node #0,2 Current State: 52:[36, 21, 4], Operations: ['60-56=4'] Exploring Operation: 36-21=15, Resulting Numbers: [4, 15] Generated Node #0,2,0: 52:[4, 15] Operation: 36-21=15 Exploring Operation: 36+21=57, Resulting Numbers: [4, 57] Generated Node #0,2,1: 52:[4, 57] Operation: 36+21=57 Exploring Operation: 36/4=9, Resulting Numbers: [21, 9] Generated Node #0,2,2: 52:[21, 9] Operation: 36/4=9 Moving to Node #0,0,2 Current State: 52:[15, 4], Operations: ['36-21=15', '60-56=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[4, 15], Operations: ['60-56=4', '36-21=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[56, 4], Operations: ['36-21=15', '60/15=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[36, 60, 21, 56], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [60, 56, 15] Generated Node #0,0: 52:[60, 56, 15] Operation: 36-21=15 Moving to Node #0,0 Current State: 52:[60, 56, 15], Operations: ['36-21=15'] Exploring Operation: 60/15=4, Resulting Numbers: [56, 4] Generated Node #0,0,1: 52:[56, 4] Operation: 60/15=4 Moving to Node #0,0,1 Current State: 52:[56, 4], Operations: ['36-21=15', '60/15=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.978299
hs_3
mult_heuristic
[ 31, 89, 77, 35 ]
98
[ "89*35=3115", "3115-77=3038", "3038/31=98" ]
Current State: 98:[31, 89, 77, 35], Operations: [] Exploring Operation: 89*35=3115, Resulting Numbers: [31, 77, 3115] Generated Node #2: [31, 77, 3115] from Operation: 89*35=3115 Current State: 98:[31, 77, 3115], Operations: ['89*35=3115'] Exploring Operation: 3115-77=3038, Resulting Numbers: [31, 3038] Generated Node #3: [31, 3038] from Operation: 3115-77=3038 Current State: 98:[31, 3038], Operations: ['89*35=3115', '3115-77=3038'] Exploring Operation: 3038/31=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[31, 89, 77, 35], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [89, 77, 4] Generated Node #0,0: 98:[89, 77, 4] Operation: 35-31=4 Exploring Operation: 89-77=12, Resulting Numbers: [31, 35, 12] Generated Node #0,1: 98:[31, 35, 12] Operation: 89-77=12 Exploring Operation: 31+77=108, Resulting Numbers: [89, 35, 108] Generated Node #0,2: 98:[89, 35, 108] Operation: 31+77=108 Exploring Operation: 77-35=42, Resulting Numbers: [31, 89, 42] Generated Node #0,3: 98:[31, 89, 42] Operation: 77-35=42 Exploring Operation: 77-31=46, Resulting Numbers: [89, 35, 46] Generated Node #0,4: 98:[89, 35, 46] Operation: 77-31=46 Moving to Node #0,4 Current State: 98:[89, 35, 46], Operations: ['77-31=46'] Exploring Operation: 89+35=124, Resulting Numbers: [46, 124] Generated Node #0,4,0: 98:[46, 124] Operation: 89+35=124 Exploring Operation: 89-46=43, Resulting Numbers: [35, 43] Generated Node #0,4,1: 98:[35, 43] Operation: 89-46=43 Exploring Operation: 89-35=54, Resulting Numbers: [46, 54] Generated Node #0,4,2: 98:[46, 54] Operation: 89-35=54 Exploring Operation: 46-35=11, Resulting Numbers: [89, 11] Generated Node #0,4,3: 98:[89, 11] Operation: 46-35=11 Exploring Operation: 35+46=81, Resulting Numbers: [89, 81] Generated Node #0,4,4: 98:[89, 81] Operation: 35+46=81 Moving to Node #0,0 Current State: 98:[89, 77, 4], Operations: ['35-31=4'] Exploring Operation: 89-77=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 98:[4, 12] Operation: 89-77=12 Exploring Operation: 89+4=93, Resulting Numbers: [77, 93] Generated Node #0,0,1: 98:[77, 93] Operation: 89+4=93 Exploring Operation: 77+4=81, Resulting Numbers: [89, 81] Generated Node #0,0,2: 98:[89, 81] Operation: 77+4=81 Exploring Operation: 77-4=73, Resulting Numbers: [89, 73] Generated Node #0,0,3: 98:[89, 73] Operation: 77-4=73 Exploring Operation: 89-4=85, Resulting Numbers: [77, 85] Generated Node #0,0,4: 98:[77, 85] Operation: 89-4=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[4, 12], Operations: ['35-31=4', '89-77=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,98 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 #0,0,1 Current State: 98:[77, 93], Operations: ['35-31=4', '89+4=93'] Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,98 unequal: No Solution Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,98 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,98 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 #0,0,2 Current State: 98:[89, 81], Operations: ['35-31=4', '77+4=81'] Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,98 unequal: No Solution Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,98 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 #0,0,3 Current State: 98:[89, 73], Operations: ['35-31=4', '77-4=73'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,98 unequal: No Solution Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,98 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 #0,0,4 Current State: 98:[77, 85], Operations: ['35-31=4', '89-4=85'] Exploring Operation: 77*85=6545, Resulting Numbers: [6545] 6545,98 unequal: No Solution Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,98 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: 98:[31, 35, 12], Operations: ['89-77=12'] Exploring Operation: 31+12=43, Resulting Numbers: [35, 43] Generated Node #0,1,0: 98:[35, 43] Operation: 31+12=43 Exploring Operation: 35-31=4, Resulting Numbers: [12, 4] Generated Node #0,1,1: 98:[12, 4] Operation: 35-31=4 Exploring Operation: 31-12=19, Resulting Numbers: [35, 19] Generated Node #0,1,2: 98:[35, 19] Operation: 31-12=19 Exploring Operation: 31+35=66, Resulting Numbers: [12, 66] Generated Node #0,1,3: 98:[12, 66] Operation: 31+35=66 Exploring Operation: 35+12=47, Resulting Numbers: [31, 47] Generated Node #0,1,4: 98:[31, 47] Operation: 35+12=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[12, 4], Operations: ['89-77=12', '35-31=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,98 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 #0,1,2 Current State: 98:[35, 19], Operations: ['89-77=12', '31-12=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,98 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,98 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 #0,1,3 Current State: 98:[12, 66], Operations: ['89-77=12', '31+35=66'] Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 12+66=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 12*66=792, Resulting Numbers: [792] 792,98 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 #0,1,4 Current State: 98:[31, 47], Operations: ['89-77=12', '35+12=47'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,98 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 #0,1,0 Current State: 98:[35, 43], Operations: ['89-77=12', '31+12=43'] Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,98 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,98 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: 98:[89, 35, 108], Operations: ['31+77=108'] Exploring Operation: 108-35=73, Resulting Numbers: [89, 73] Generated Node #0,2,0: 98:[89, 73] Operation: 108-35=73 Exploring Operation: 108-89=19, Resulting Numbers: [35, 19] Generated Node #0,2,1: 98:[35, 19] Operation: 108-89=19 Exploring Operation: 89-35=54, Resulting Numbers: [108, 54] Generated Node #0,2,2: 98:[108, 54] Operation: 89-35=54 Exploring Operation: 35+108=143, Resulting Numbers: [89, 143] Generated Node #0,2,3: 98:[89, 143] Operation: 35+108=143 Exploring Operation: 89+35=124, Resulting Numbers: [108, 124] Generated Node #0,2,4: 98:[108, 124] Operation: 89+35=124 Moving to Node #0,3 Current State: 98:[31, 89, 42], Operations: ['77-35=42'] Exploring Operation: 31+42=73, Resulting Numbers: [89, 73] Generated Node #0,3,0: 98:[89, 73] Operation: 31+42=73 Exploring Operation: 89-42=47, Resulting Numbers: [31, 47] Generated Node #0,3,1: 98:[31, 47] Operation: 89-42=47 Exploring Operation: 42-31=11, Resulting Numbers: [89, 11] Generated Node #0,3,2: 98:[89, 11] Operation: 42-31=11 Exploring Operation: 89-31=58, Resulting Numbers: [42, 58] Generated Node #0,3,3: 98:[42, 58] Operation: 89-31=58 Exploring Operation: 31+89=120, Resulting Numbers: [42, 120] Generated Node #0,3,4: 98:[42, 120] Operation: 31+89=120 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 98:[89, 11], Operations: ['77-35=42', '42-31=11'] Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 89+11=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 89*11=979, Resulting Numbers: [979] 979,98 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 #0,3,3 Current State: 98:[42, 58], Operations: ['77-35=42', '89-31=58'] Exploring Operation: 42*58=2436, Resulting Numbers: [2436] 2436,98 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 42+58=100, Resulting Numbers: [100] 100,98 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 #0,3,1 Current State: 98:[31, 47], Operations: ['77-35=42', '89-42=47'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,98 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 #0,3,4 Current State: 98:[42, 120], Operations: ['77-35=42', '31+89=120'] Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 42*120=5040, Resulting Numbers: [5040] 5040,98 unequal: No Solution Exploring Operation: 42+120=162, Resulting Numbers: [162] 162,98 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 #0,3,0 Current State: 98:[89, 73], Operations: ['77-35=42', '31+42=73'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,98 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,98 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: 98:[46, 54], Operations: ['77-31=46', '89-35=54'] Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[89, 11], Operations: ['77-31=46', '46-35=11'] Exploring Operation: 89*11=979, Resulting Numbers: [979] 979,98 unequal: No Solution Exploring Operation: 89+11=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[108, 54], Operations: ['31+77=108', '89-35=54'] Exploring Operation: 108-54=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 108/54=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 108*54=5832, Resulting Numbers: [5832] 5832,98 unequal: No Solution Exploring Operation: 108+54=162, Resulting Numbers: [162] 162,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[35, 19], Operations: ['31+77=108', '108-89=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,98 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[35, 43], Operations: ['77-31=46', '89-46=43'] Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,98 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[89, 81], Operations: ['77-31=46', '35+46=81'] Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,98 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[46, 124], Operations: ['77-31=46', '89+35=124'] Exploring Operation: 46+124=170, Resulting Numbers: [170] 170,98 unequal: No Solution Exploring Operation: 46*124=5704, Resulting Numbers: [5704] 5704,98 unequal: No Solution Exploring Operation: 124-46=78, Resulting Numbers: [78] 78,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[89, 73], Operations: ['31+77=108', '108-35=73'] Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,98 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,98 unequal: No Solution Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[108, 124], Operations: ['31+77=108', '89+35=124'] Exploring Operation: 124-108=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 108*124=13392, Resulting Numbers: [13392] 13392,98 unequal: No Solution Exploring Operation: 108+124=232, Resulting Numbers: [232] 232,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[89, 143], Operations: ['31+77=108', '35+108=143'] Exploring Operation: 143-89=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 89+143=232, Resulting Numbers: [232] 232,98 unequal: No Solution Exploring Operation: 89*143=12727, Resulting Numbers: [12727] 12727,98 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 55, 47, 67, 94 ]
61
[ "55+67=122", "94/47=2", "122/2=61" ]
Current State: 61:[55, 47, 67, 94], Operations: [] Exploring Operation: 55+67=122, Resulting Numbers: [47, 94, 122] Generated Node #2: [47, 94, 122] from Operation: 55+67=122 Current State: 61:[47, 94, 122], Operations: ['55+67=122'] Exploring Operation: 94/47=2, Resulting Numbers: [122, 2] Generated Node #3: [122, 2] from Operation: 94/47=2 Current State: 61:[122, 2], Operations: ['55+67=122', '94/47=2'] Exploring Operation: 122/2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[55, 47, 67, 94], Operations: [] Exploring Operation: 94-47=47, Resulting Numbers: [55, 67, 47] Generated Node #0,0: 61:[55, 67, 47] Operation: 94-47=47 Moving to Node #0,0 Current State: 61:[55, 67, 47], Operations: ['94-47=47'] Exploring Operation: 55+47=102, Resulting Numbers: [67, 102] Generated Node #0,0,0: 61:[67, 102] Operation: 55+47=102 Moving to Node #0,0,0 Current State: 61:[67, 102], Operations: ['94-47=47', '55+47=102'] Exploring Operation: 102-67=35, Resulting Numbers: [35] 35,61 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 16, 57, 73, 55 ]
55
[ "16+57=73", "73+55=128", "128-73=55" ]
Current State: 55:[16, 57, 73, 55], Operations: [] Exploring Operation: 16+57=73, Resulting Numbers: [73, 55, 73] Generated Node #2: [73, 55, 73] from Operation: 16+57=73 Current State: 55:[73, 55, 73], Operations: ['16+57=73'] Exploring Operation: 73+55=128, Resulting Numbers: [128] 128,55 equal: Goal Reached Exploring Operation: 128-73=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[16, 57, 73, 55], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [16, 55, 16] Generated Node #0,0: 55:[16, 55, 16] Operation: 73-57=16 Exploring Operation: 57-55=2, Resulting Numbers: [16, 73, 2] Generated Node #0,1: 55:[16, 73, 2] Operation: 57-55=2 Exploring Operation: 73-16=57, Resulting Numbers: [57, 55, 57] Generated Node #0,2: 55:[57, 55, 57] Operation: 73-16=57 Exploring Operation: 73-55=18, Resulting Numbers: [16, 57, 18] Generated Node #0,3: 55:[16, 57, 18] Operation: 73-55=18 Moving to Node #0,2 Current State: 55:[57, 55, 57], Operations: ['73-16=57'] Exploring Operation: 57-55=2, Resulting Numbers: [57, 2] Generated Node #0,2,0: 55:[57, 2] Operation: 57-55=2 Exploring Operation: 57/57=1, Resulting Numbers: [55, 1] Generated Node #0,2,1: 55:[55, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [55, 0] Generated Node #0,2,2: 55:[55, 0] Operation: 57-57=0 Exploring Operation: 57-55=2, Resulting Numbers: [57, 2] Generated Node #0,2,3: 55:[57, 2] Operation: 57-55=2 Moving to Node #0,0 Current State: 55:[16, 55, 16], Operations: ['73-57=16'] Exploring Operation: 16+55=71, Resulting Numbers: [16, 71] Generated Node #0,0,0: 55:[16, 71] Operation: 16+55=71 Exploring Operation: 16-16=0, Resulting Numbers: [55, 0] Generated Node #0,0,1: 55:[55, 0] Operation: 16-16=0 Exploring Operation: 16/16=1, Resulting Numbers: [55, 1] Generated Node #0,0,2: 55:[55, 1] Operation: 16/16=1 Exploring Operation: 55-16=39, Resulting Numbers: [16, 39] Generated Node #0,0,3: 55:[16, 39] Operation: 55-16=39 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[55, 1], Operations: ['73-57=16', '16/16=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[16, 57, 73, 55], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [16, 55, 16] Generated Node #0,0: 55:[16, 55, 16] Operation: 73-57=16 Moving to Node #0,0 Current State: 55:[16, 55, 16], Operations: ['73-57=16'] Exploring Operation: 16/16=1, Resulting Numbers: [55, 1] Generated Node #0,0,2: 55:[55, 1] Operation: 16/16=1 Moving to Node #0,0,2 Current State: 55:[55, 1], Operations: ['73-57=16', '16/16=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 48, 2, 33, 88 ]
29
[ "48-33=15", "88/2=44", "44-15=29" ]
Current State: 29:[48, 2, 33, 88], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [2, 88, 15] Generated Node #2: [2, 88, 15] from Operation: 48-33=15 Current State: 29:[2, 88, 15], Operations: ['48-33=15'] Exploring Operation: 88/2=44, Resulting Numbers: [15, 44] Generated Node #3: [15, 44] from Operation: 88/2=44 Current State: 29:[15, 44], Operations: ['48-33=15', '88/2=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[48, 2, 33, 88], Operations: [] Exploring Operation: 48/2=24, Resulting Numbers: [33, 88, 24] Generated Node #0,0: 29:[33, 88, 24] Operation: 48/2=24 Exploring Operation: 88/2=44, Resulting Numbers: [48, 33, 44] Generated Node #0,1: 29:[48, 33, 44] Operation: 88/2=44 Exploring Operation: 88-33=55, Resulting Numbers: [48, 2, 55] Generated Node #0,2: 29:[48, 2, 55] Operation: 88-33=55 Exploring Operation: 88-48=40, Resulting Numbers: [2, 33, 40] Generated Node #0,3: 29:[2, 33, 40] Operation: 88-48=40 Exploring Operation: 48-2=46, Resulting Numbers: [33, 88, 46] Generated Node #0,4: 29:[33, 88, 46] Operation: 48-2=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[48, 33, 44], Operations: ['88/2=44'] Exploring Operation: 48-44=4, Resulting Numbers: [33, 4] Generated Node #0,1,0: 29:[33, 4] Operation: 48-44=4 Exploring Operation: 48+44=92, Resulting Numbers: [33, 92] Generated Node #0,1,1: 29:[33, 92] Operation: 48+44=92 Exploring Operation: 48+33=81, Resulting Numbers: [44, 81] Generated Node #0,1,2: 29:[44, 81] Operation: 48+33=81 Exploring Operation: 44-33=11, Resulting Numbers: [48, 11] Generated Node #0,1,3: 29:[48, 11] Operation: 44-33=11 Exploring Operation: 48-33=15, Resulting Numbers: [44, 15] Generated Node #0,1,4: 29:[44, 15] Operation: 48-33=15 Moving to Node #0,1,0 Current State: 29:[33, 4], Operations: ['88/2=44', '48-44=4'] Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[48, 2, 33, 88], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [48, 33, 44] Generated Node #0,1: 29:[48, 33, 44] Operation: 88/2=44 Moving to Node #0,1 Current State: 29:[48, 33, 44], Operations: ['88/2=44'] Exploring Operation: 48-44=4, Resulting Numbers: [33, 4] Generated Node #0,1,0: 29:[33, 4] Operation: 48-44=4 Moving to Node #0,1,0 Current State: 29:[33, 4], Operations: ['88/2=44', '48-44=4'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 33, 24, 61, 86 ]
34
[ "33-24=9", "86-61=25", "9+25=34" ]
Current State: 34:[33, 24, 61, 86], Operations: [] Exploring Operation: 33-24=9, Resulting Numbers: [61, 86, 9] Generated Node #2: [61, 86, 9] from Operation: 33-24=9 Current State: 34:[61, 86, 9], Operations: ['33-24=9'] Exploring Operation: 86-61=25, Resulting Numbers: [9, 25] Generated Node #3: [9, 25] from Operation: 86-61=25 Current State: 34:[9, 25], Operations: ['33-24=9', '86-61=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[33, 24, 61, 86], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [24, 61, 53] Generated Node #0,0: 34:[24, 61, 53] Operation: 86-33=53 Exploring Operation: 86-61=25, Resulting Numbers: [33, 24, 25] Generated Node #0,1: 34:[33, 24, 25] Operation: 86-61=25 Exploring Operation: 61-24=37, Resulting Numbers: [33, 86, 37] Generated Node #0,2: 34:[33, 86, 37] Operation: 61-24=37 Exploring Operation: 86-24=62, Resulting Numbers: [33, 61, 62] Generated Node #0,3: 34:[33, 61, 62] Operation: 86-24=62 Moving to Node #0,1 Current State: 34:[33, 24, 25], Operations: ['86-61=25'] Exploring Operation: 24+25=49, Resulting Numbers: [33, 49] Generated Node #0,1,0: 34:[33, 49] Operation: 24+25=49 Exploring Operation: 33-24=9, Resulting Numbers: [25, 9] Generated Node #0,1,1: 34:[25, 9] Operation: 33-24=9 Exploring Operation: 25-24=1, Resulting Numbers: [33, 1] Generated Node #0,1,2: 34:[33, 1] Operation: 25-24=1 Exploring Operation: 33-25=8, Resulting Numbers: [24, 8] Generated Node #0,1,3: 34:[24, 8] Operation: 33-25=8 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[33, 1], Operations: ['86-61=25', '25-24=1'] Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[33, 24, 61, 86], Operations: [] Exploring Operation: 86-61=25, Resulting Numbers: [33, 24, 25] Generated Node #0,1: 34:[33, 24, 25] Operation: 86-61=25 Moving to Node #0,1 Current State: 34:[33, 24, 25], Operations: ['86-61=25'] Exploring Operation: 25-24=1, Resulting Numbers: [33, 1] Generated Node #0,1,2: 34:[33, 1] Operation: 25-24=1 Moving to Node #0,1,2 Current State: 34:[33, 1], Operations: ['86-61=25', '25-24=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 14, 11, 12, 4 ]
48
[ "14-11=3", "12+4=16", "3*16=48" ]
Current State: 48:[14, 11, 12, 4], Operations: [] Exploring Operation: 14-11=3, Resulting Numbers: [12, 4, 3] Generated Node #2: [12, 4, 3] from Operation: 14-11=3 Current State: 48:[12, 4, 3], Operations: ['14-11=3'] Exploring Operation: 12+4=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 12+4=16 Current State: 48:[3, 16], Operations: ['14-11=3', '12+4=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[14, 11, 12, 4], Operations: [] Exploring Operation: 14-11=3, Resulting Numbers: [12, 4, 3] Generated Node #0,0: 48:[12, 4, 3] Operation: 14-11=3 Moving to Node #0,0 Current State: 48:[12, 4, 3], Operations: ['14-11=3'] Exploring Operation: 12+4=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 12+4=16 Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['14-11=3', '12+4=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[14, 11, 12, 4], Operations: [] Exploring Operation: 14-11=3, Resulting Numbers: [12, 4, 3] Generated Node #0,0: 48:[12, 4, 3] Operation: 14-11=3 Moving to Node #0,0 Current State: 48:[12, 4, 3], Operations: ['14-11=3'] Exploring Operation: 12+4=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 12+4=16 Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['14-11=3', '12+4=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 68, 52, 57, 78 ]
15
[ "68+52=120", "57+78=135", "135-120=15" ]
Current State: 15:[68, 52, 57, 78], Operations: [] Exploring Operation: 68+52=120, Resulting Numbers: [57, 78, 120] Generated Node #2: [57, 78, 120] from Operation: 68+52=120 Current State: 15:[57, 78, 120], Operations: ['68+52=120'] Exploring Operation: 57+78=135, Resulting Numbers: [120, 135] Generated Node #3: [120, 135] from Operation: 57+78=135 Current State: 15:[120, 135], Operations: ['68+52=120', '57+78=135'] Exploring Operation: 135-120=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[68, 52, 57, 78], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [52, 57, 10] Generated Node #0,0: 15:[52, 57, 10] Operation: 78-68=10 Exploring Operation: 78-57=21, Resulting Numbers: [68, 52, 21] Generated Node #0,1: 15:[68, 52, 21] Operation: 78-57=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[52, 57, 10], Operations: ['78-68=10'] Exploring Operation: 52-10=42, Resulting Numbers: [57, 42] Generated Node #0,0,0: 15:[57, 42] Operation: 52-10=42 Exploring Operation: 57-52=5, Resulting Numbers: [10, 5] Generated Node #0,0,1: 15:[10, 5] Operation: 57-52=5 Moving to Node #0,0,1 Current State: 15:[10, 5], Operations: ['78-68=10', '57-52=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[68, 52, 57, 78], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [52, 57, 10] Generated Node #0,0: 15:[52, 57, 10] Operation: 78-68=10 Moving to Node #0,0 Current State: 15:[52, 57, 10], Operations: ['78-68=10'] Exploring Operation: 57-52=5, Resulting Numbers: [10, 5] Generated Node #0,0,1: 15:[10, 5] Operation: 57-52=5 Moving to Node #0,0,1 Current State: 15:[10, 5], Operations: ['78-68=10', '57-52=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 28, 6, 95, 26 ]
89
[ "95-28=67", "6*26=156", "156-67=89" ]
Current State: 89:[28, 6, 95, 26], Operations: [] Exploring Operation: 95-28=67, Resulting Numbers: [6, 26, 67] Generated Node #2: [6, 26, 67] from Operation: 95-28=67 Current State: 89:[6, 26, 67], Operations: ['95-28=67'] Exploring Operation: 6*26=156, Resulting Numbers: [67, 156] Generated Node #3: [67, 156] from Operation: 6*26=156 Current State: 89:[67, 156], Operations: ['95-28=67', '6*26=156'] Exploring Operation: 156-67=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[28, 6, 95, 26], Operations: [] Exploring Operation: 95-6=89, Resulting Numbers: [28, 26, 89] Generated Node #0,0: 89:[28, 26, 89] Operation: 95-6=89 Exploring Operation: 6*26=156, Resulting Numbers: [28, 95, 156] Generated Node #0,1: 89:[28, 95, 156] Operation: 6*26=156 Exploring Operation: 28+6=34, Resulting Numbers: [95, 26, 34] Generated Node #0,2: 89:[95, 26, 34] Operation: 28+6=34 Exploring Operation: 28+26=54, Resulting Numbers: [6, 95, 54] Generated Node #0,3: 89:[6, 95, 54] Operation: 28+26=54 Exploring Operation: 6+26=32, Resulting Numbers: [28, 95, 32] Generated Node #0,4: 89:[28, 95, 32] Operation: 6+26=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[28, 26, 89], Operations: ['95-6=89'] Exploring Operation: 28+89=117, Resulting Numbers: [26, 117] Generated Node #0,0,0: 89:[26, 117] Operation: 28+89=117 Exploring Operation: 28+26=54, Resulting Numbers: [89, 54] Generated Node #0,0,1: 89:[89, 54] Operation: 28+26=54 Exploring Operation: 26+89=115, Resulting Numbers: [28, 115] Generated Node #0,0,2: 89:[28, 115] Operation: 26+89=115 Exploring Operation: 89-26=63, Resulting Numbers: [28, 63] Generated Node #0,0,3: 89:[28, 63] Operation: 89-26=63 Exploring Operation: 28-26=2, Resulting Numbers: [89, 2] Generated Node #0,0,4: 89:[89, 2] Operation: 28-26=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[89, 54], Operations: ['95-6=89', '28+26=54'] Exploring Operation: 89-54=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 89+54=143, Resulting Numbers: [143] 143,89 unequal: No Solution Exploring Operation: 89*54=4806, Resulting Numbers: [4806] 4806,89 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: 89:[28, 115], Operations: ['95-6=89', '26+89=115'] Exploring Operation: 28*115=3220, Resulting Numbers: [3220] 3220,89 unequal: No Solution Exploring Operation: 115-28=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 28+115=143, Resulting Numbers: [143] 143,89 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: 89:[28, 63], Operations: ['95-6=89', '89-26=63'] Exploring Operation: 28+63=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 28*63=1764, Resulting Numbers: [1764] 1764,89 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,89 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: 89:[89, 2], Operations: ['95-6=89', '28-26=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,89 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: 89:[26, 117], Operations: ['95-6=89', '28+89=117'] Exploring Operation: 117-26=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 26*117=3042, Resulting Numbers: [3042] 3042,89 unequal: No Solution Exploring Operation: 26+117=143, Resulting Numbers: [143] 143,89 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: 89:[95, 26, 34], Operations: ['28+6=34'] Exploring Operation: 95+26=121, Resulting Numbers: [34, 121] Generated Node #0,2,0: 89:[34, 121] Operation: 95+26=121 Exploring Operation: 26+34=60, Resulting Numbers: [95, 60] Generated Node #0,2,1: 89:[95, 60] Operation: 26+34=60 Exploring Operation: 34-26=8, Resulting Numbers: [95, 8] Generated Node #0,2,2: 89:[95, 8] Operation: 34-26=8 Exploring Operation: 95-26=69, Resulting Numbers: [34, 69] Generated Node #0,2,3: 89:[34, 69] Operation: 95-26=69 Exploring Operation: 95-34=61, Resulting Numbers: [26, 61] Generated Node #0,2,4: 89:[26, 61] Operation: 95-34=61 Moving to Node #0,2,1 Current State: 89:[95, 60], Operations: ['28+6=34', '26+34=60'] Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,89 unequal: No Solution Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[34, 69], Operations: ['28+6=34', '95-26=69'] Exploring Operation: 34+69=103, Resulting Numbers: [103] 103,89 unequal: No Solution Exploring Operation: 34*69=2346, Resulting Numbers: [2346] 2346,89 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[34, 121], Operations: ['28+6=34', '95+26=121'] Exploring Operation: 34+121=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 121-34=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 34*121=4114, Resulting Numbers: [4114] 4114,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[95, 8], Operations: ['28+6=34', '34-26=8'] Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,89 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[26, 61], Operations: ['28+6=34', '95-34=61'] Exploring Operation: 26*61=1586, Resulting Numbers: [1586] 1586,89 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,89 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: 89:[6, 95, 54], Operations: ['28+26=54'] Exploring Operation: 6+54=60, Resulting Numbers: [95, 60] Generated Node #0,3,0: 89:[95, 60] Operation: 6+54=60 Exploring Operation: 54/6=9, Resulting Numbers: [95, 9] Generated Node #0,3,1: 89:[95, 9] Operation: 54/6=9 Exploring Operation: 95-6=89, Resulting Numbers: [54, 89] Generated Node #0,3,2: 89:[54, 89] Operation: 95-6=89 Exploring Operation: 54-6=48, Resulting Numbers: [95, 48] Generated Node #0,3,3: 89:[95, 48] Operation: 54-6=48 Exploring Operation: 6+95=101, Resulting Numbers: [54, 101] Generated Node #0,3,4: 89:[54, 101] Operation: 6+95=101 Moving to Node #0,3,0 Current State: 89:[95, 60], Operations: ['28+26=54', '6+54=60'] Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,89 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[54, 89], Operations: ['28+26=54', '95-6=89'] Exploring Operation: 89-54=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 54+89=143, Resulting Numbers: [143] 143,89 unequal: No Solution Exploring Operation: 54*89=4806, Resulting Numbers: [4806] 4806,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[95, 48], Operations: ['28+26=54', '54-6=48'] Exploring Operation: 95*48=4560, Resulting Numbers: [4560] 4560,89 unequal: No Solution Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,89 unequal: No Solution Exploring Operation: 95+48=143, Resulting Numbers: [143] 143,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[54, 101], Operations: ['28+26=54', '6+95=101'] Exploring Operation: 101-54=47, Resulting Numbers: [47] 47,89 unequal: No Solution Exploring Operation: 54+101=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 54*101=5454, Resulting Numbers: [5454] 5454,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[95, 9], Operations: ['28+26=54', '54/6=9'] Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,89 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,89 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: 89:[28, 95, 32], Operations: ['6+26=32'] Exploring Operation: 28+32=60, Resulting Numbers: [95, 60] Generated Node #0,4,0: 89:[95, 60] Operation: 28+32=60 Exploring Operation: 95-32=63, Resulting Numbers: [28, 63] Generated Node #0,4,1: 89:[28, 63] Operation: 95-32=63 Exploring Operation: 28+95=123, Resulting Numbers: [32, 123] Generated Node #0,4,2: 89:[32, 123] Operation: 28+95=123 Exploring Operation: 95-28=67, Resulting Numbers: [32, 67] Generated Node #0,4,3: 89:[32, 67] Operation: 95-28=67 Exploring Operation: 32-28=4, Resulting Numbers: [95, 4] Generated Node #0,4,4: 89:[95, 4] Operation: 32-28=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 89:[95, 60], Operations: ['6+26=32', '28+32=60'] Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,89 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,89 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: 89:[32, 67], Operations: ['6+26=32', '95-28=67'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 32+67=99, Resulting Numbers: [99] 99,89 unequal: No Solution Exploring Operation: 32*67=2144, Resulting Numbers: [2144] 2144,89 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: 89:[28, 63], Operations: ['6+26=32', '95-32=63'] Exploring Operation: 28*63=1764, Resulting Numbers: [1764] 1764,89 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 28+63=91, Resulting Numbers: [91] 91,89 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: 89:[32, 123], Operations: ['6+26=32', '28+95=123'] Exploring Operation: 123-32=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 32*123=3936, Resulting Numbers: [3936] 3936,89 unequal: No Solution Exploring Operation: 32+123=155, Resulting Numbers: [155] 155,89 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: 89:[95, 4], Operations: ['6+26=32', '32-28=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,89 unequal: No Solution Exploring Operation: 95*4=380, Resulting Numbers: [380] 380,89 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: 89:[28, 95, 156], Operations: ['6*26=156'] Exploring Operation: 28+156=184, Resulting Numbers: [95, 184] Generated Node #0,1,0: 89:[95, 184] Operation: 28+156=184 Exploring Operation: 156-95=61, Resulting Numbers: [28, 61] Generated Node #0,1,1: 89:[28, 61] Operation: 156-95=61 Exploring Operation: 28+95=123, Resulting Numbers: [156, 123] Generated Node #0,1,2: 89:[156, 123] Operation: 28+95=123 Exploring Operation: 95-28=67, Resulting Numbers: [156, 67] Generated Node #0,1,3: 89:[156, 67] Operation: 95-28=67 Exploring Operation: 156-28=128, Resulting Numbers: [95, 128] Generated Node #0,1,4: 89:[95, 128] Operation: 156-28=128 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 89:[95, 128], Operations: ['6*26=156', '156-28=128'] Exploring Operation: 128-95=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 95+128=223, Resulting Numbers: [223] 223,89 unequal: No Solution Exploring Operation: 95*128=12160, Resulting Numbers: [12160] 12160,89 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: 89:[28, 61], Operations: ['6*26=156', '156-95=61'] Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,89 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[28, 6, 95, 26], Operations: [] Exploring Operation: 6*26=156, Resulting Numbers: [28, 95, 156] Generated Node #0,1: 89:[28, 95, 156] Operation: 6*26=156 Moving to Node #0,1 Current State: 89:[28, 95, 156], Operations: ['6*26=156'] Exploring Operation: 156-95=61, Resulting Numbers: [28, 61] Generated Node #0,1,1: 89:[28, 61] Operation: 156-95=61 Moving to Node #0,1,1 Current State: 89:[28, 61], Operations: ['6*26=156', '156-95=61'] Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.913194
hs_5
mult_heuristic
[ 15, 40, 5, 88 ]
51
[ "15/5=3", "88-40=48", "3+48=51" ]
Current State: 51:[15, 40, 5, 88], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [40, 88, 3] Generated Node #2: [40, 88, 3] from Operation: 15/5=3 Current State: 51:[40, 88, 3], Operations: ['15/5=3'] Exploring Operation: 88-40=48, Resulting Numbers: [3, 48] Generated Node #3: [3, 48] from Operation: 88-40=48 Current State: 51:[3, 48], Operations: ['15/5=3', '88-40=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[15, 40, 5, 88], Operations: [] Exploring Operation: 88-40=48, Resulting Numbers: [15, 5, 48] Generated Node #0,0: 51:[15, 5, 48] Operation: 88-40=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[15, 5, 48], Operations: ['88-40=48'] Exploring Operation: 15/5=3, Resulting Numbers: [48, 3] Generated Node #0,0,0: 51:[48, 3] Operation: 15/5=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[48, 3], Operations: ['88-40=48', '15/5=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[15, 40, 5, 88], Operations: [] Exploring Operation: 88-40=48, Resulting Numbers: [15, 5, 48] Generated Node #0,0: 51:[15, 5, 48] Operation: 88-40=48 Moving to Node #0,0 Current State: 51:[15, 5, 48], Operations: ['88-40=48'] Exploring Operation: 15/5=3, Resulting Numbers: [48, 3] Generated Node #0,0,0: 51:[48, 3] Operation: 15/5=3 Moving to Node #0,0,0 Current State: 51:[48, 3], Operations: ['88-40=48', '15/5=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 45, 94, 94 ]
89
[ "2*45=90", "94/94=1", "90-1=89" ]
Current State: 89:[2, 45, 94, 94], Operations: [] Exploring Operation: 2*45=90, Resulting Numbers: [94, 94, 90] Generated Node #2: [94, 94, 90] from Operation: 2*45=90 Current State: 89:[94, 94, 90], Operations: ['2*45=90'] Exploring Operation: 94/94=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 94/94=1 Current State: 89:[90, 1], Operations: ['2*45=90', '94/94=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[2, 45, 94, 94], Operations: [] Exploring Operation: 2+45=47, Resulting Numbers: [94, 94, 47] Generated Node #0,0: 89:[94, 94, 47] Operation: 2+45=47 Exploring Operation: 2*45=90, Resulting Numbers: [94, 94, 90] Generated Node #0,1: 89:[94, 94, 90] Operation: 2*45=90 Exploring Operation: 94-2=92, Resulting Numbers: [45, 94, 92] Generated Node #0,2: 89:[45, 94, 92] Operation: 94-2=92 Exploring Operation: 94-2=92, Resulting Numbers: [45, 94, 92] Generated Node #0,3: 89:[45, 94, 92] Operation: 94-2=92 Moving to Node #0,1 Current State: 89:[94, 94, 90], Operations: ['2*45=90'] Exploring Operation: 94-94=0, Resulting Numbers: [90, 0] Generated Node #0,1,0: 89:[90, 0] Operation: 94-94=0 Exploring Operation: 94-90=4, Resulting Numbers: [94, 4] Generated Node #0,1,1: 89:[94, 4] Operation: 94-90=4 Exploring Operation: 94/94=1, Resulting Numbers: [90, 1] Generated Node #0,1,2: 89:[90, 1] Operation: 94/94=1 Exploring Operation: 94-90=4, Resulting Numbers: [94, 4] Generated Node #0,1,3: 89:[94, 4] Operation: 94-90=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[90, 1], Operations: ['2*45=90', '94/94=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[2, 45, 94, 94], Operations: [] Exploring Operation: 2*45=90, Resulting Numbers: [94, 94, 90] Generated Node #0,1: 89:[94, 94, 90] Operation: 2*45=90 Moving to Node #0,1 Current State: 89:[94, 94, 90], Operations: ['2*45=90'] Exploring Operation: 94/94=1, Resulting Numbers: [90, 1] Generated Node #0,1,2: 89:[90, 1] Operation: 94/94=1 Moving to Node #0,1,2 Current State: 89:[90, 1], Operations: ['2*45=90', '94/94=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 44, 20, 8, 89 ]
73
[ "44-20=24", "8+89=97", "97-24=73" ]
Current State: 73:[44, 20, 8, 89], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [8, 89, 24] Generated Node #2: [8, 89, 24] from Operation: 44-20=24 Current State: 73:[8, 89, 24], Operations: ['44-20=24'] Exploring Operation: 8+89=97, Resulting Numbers: [24, 97] Generated Node #3: [24, 97] from Operation: 8+89=97 Current State: 73:[24, 97], Operations: ['44-20=24', '8+89=97'] Exploring Operation: 97-24=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[44, 20, 8, 89], Operations: [] Exploring Operation: 20+8=28, Resulting Numbers: [44, 89, 28] Generated Node #0,0: 73:[44, 89, 28] Operation: 20+8=28 Exploring Operation: 89-8=81, Resulting Numbers: [44, 20, 81] Generated Node #0,1: 73:[44, 20, 81] Operation: 89-8=81 Exploring Operation: 44+20=64, Resulting Numbers: [8, 89, 64] Generated Node #0,2: 73:[8, 89, 64] Operation: 44+20=64 Exploring Operation: 44+8=52, Resulting Numbers: [20, 89, 52] Generated Node #0,3: 73:[20, 89, 52] Operation: 44+8=52 Moving to Node #0,0 Current State: 73:[44, 89, 28], Operations: ['20+8=28'] Exploring Operation: 44-28=16, Resulting Numbers: [89, 16] Generated Node #0,0,0: 73:[89, 16] Operation: 44-28=16 Exploring Operation: 89-28=61, Resulting Numbers: [44, 61] Generated Node #0,0,1: 73:[44, 61] Operation: 89-28=61 Exploring Operation: 44+28=72, Resulting Numbers: [89, 72] Generated Node #0,0,2: 73:[89, 72] Operation: 44+28=72 Exploring Operation: 89-44=45, Resulting Numbers: [28, 45] Generated Node #0,0,3: 73:[28, 45] Operation: 89-44=45 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[89, 72], Operations: ['20+8=28', '44+28=72'] Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,73 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,73 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,73 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 #0,0,1 Current State: 73:[44, 61], Operations: ['20+8=28', '89-28=61'] Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 44+61=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 44*61=2684, Resulting Numbers: [2684] 2684,73 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:[89, 16], Operations: ['20+8=28', '44-28=16'] Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,73 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[44, 20, 8, 89], Operations: [] Exploring Operation: 20+8=28, Resulting Numbers: [44, 89, 28] Generated Node #0,0: 73:[44, 89, 28] Operation: 20+8=28 Moving to Node #0,0 Current State: 73:[44, 89, 28], Operations: ['20+8=28'] Exploring Operation: 44-28=16, Resulting Numbers: [89, 16] Generated Node #0,0,0: 73:[89, 16] Operation: 44-28=16 Moving to Node #0,0,0 Current State: 73:[89, 16], Operations: ['20+8=28', '44-28=16'] Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 38, 72, 64, 70 ]
26
[ "70-64=6", "72/6=12", "38-12=26" ]
Current State: 26:[38, 72, 64, 70], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [38, 72, 6] Generated Node #2: [38, 72, 6] from Operation: 70-64=6 Current State: 26:[38, 72, 6], Operations: ['70-64=6'] Exploring Operation: 72/6=12, Resulting Numbers: [38, 12] Generated Node #3: [38, 12] from Operation: 72/6=12 Current State: 26:[38, 12], Operations: ['70-64=6', '72/6=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[38, 72, 64, 70], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [64, 70, 34] Generated Node #0,0: 26:[64, 70, 34] Operation: 72-38=34 Exploring Operation: 72-70=2, Resulting Numbers: [38, 64, 2] Generated Node #0,1: 26:[38, 64, 2] Operation: 72-70=2 Exploring Operation: 72-64=8, Resulting Numbers: [38, 70, 8] Generated Node #0,2: 26:[38, 70, 8] Operation: 72-64=8 Exploring Operation: 64-38=26, Resulting Numbers: [72, 70, 26] Generated Node #0,3: 26:[72, 70, 26] Operation: 64-38=26 Exploring Operation: 70-64=6, Resulting Numbers: [38, 72, 6] Generated Node #0,4: 26:[38, 72, 6] Operation: 70-64=6 Moving to Node #0,1 Current State: 26:[38, 64, 2], Operations: ['72-70=2'] Exploring Operation: 64-2=62, Resulting Numbers: [38, 62] Generated Node #0,1,0: 26:[38, 62] Operation: 64-2=62 Exploring Operation: 38/2=19, Resulting Numbers: [64, 19] Generated Node #0,1,1: 26:[64, 19] Operation: 38/2=19 Exploring Operation: 64/2=32, Resulting Numbers: [38, 32] Generated Node #0,1,2: 26:[38, 32] Operation: 64/2=32 Exploring Operation: 38-2=36, Resulting Numbers: [64, 36] Generated Node #0,1,3: 26:[64, 36] Operation: 38-2=36 Exploring Operation: 64-38=26, Resulting Numbers: [2, 26] Generated Node #0,1,4: 26:[2, 26] Operation: 64-38=26 Moving to Node #0,2 Current State: 26:[38, 70, 8], Operations: ['72-64=8'] Exploring Operation: 70-38=32, Resulting Numbers: [8, 32] Generated Node #0,2,0: 26:[8, 32] Operation: 70-38=32 Exploring Operation: 38+8=46, Resulting Numbers: [70, 46] Generated Node #0,2,1: 26:[70, 46] Operation: 38+8=46 Exploring Operation: 70-8=62, Resulting Numbers: [38, 62] Generated Node #0,2,2: 26:[38, 62] Operation: 70-8=62 Exploring Operation: 38-8=30, Resulting Numbers: [70, 30] Generated Node #0,2,3: 26:[70, 30] Operation: 38-8=30 Exploring Operation: 70+8=78, Resulting Numbers: [38, 78] Generated Node #0,2,4: 26:[38, 78] Operation: 70+8=78 Moving to Node #0,4 Current State: 26:[38, 72, 6], Operations: ['70-64=6'] Exploring Operation: 72-6=66, Resulting Numbers: [38, 66] Generated Node #0,4,0: 26:[38, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [38, 12] Generated Node #0,4,1: 26:[38, 12] Operation: 72/6=12 Exploring Operation: 38-6=32, Resulting Numbers: [72, 32] Generated Node #0,4,2: 26:[72, 32] Operation: 38-6=32 Exploring Operation: 72-38=34, Resulting Numbers: [6, 34] Generated Node #0,4,3: 26:[6, 34] Operation: 72-38=34 Exploring Operation: 38+6=44, Resulting Numbers: [72, 44] Generated Node #0,4,4: 26:[72, 44] Operation: 38+6=44 Moving to Node #0,0 Current State: 26:[64, 70, 34], Operations: ['72-38=34'] Exploring Operation: 64+70=134, Resulting Numbers: [34, 134] Generated Node #0,0,0: 26:[34, 134] Operation: 64+70=134 Exploring Operation: 70-64=6, Resulting Numbers: [34, 6] Generated Node #0,0,1: 26:[34, 6] Operation: 70-64=6 Exploring Operation: 64+34=98, Resulting Numbers: [70, 98] Generated Node #0,0,2: 26:[70, 98] Operation: 64+34=98 Exploring Operation: 70-34=36, Resulting Numbers: [64, 36] Generated Node #0,0,3: 26:[64, 36] Operation: 70-34=36 Exploring Operation: 64-34=30, Resulting Numbers: [70, 30] Generated Node #0,0,4: 26:[70, 30] Operation: 64-34=30 Moving to Node #0,3 Current State: 26:[72, 70, 26], Operations: ['64-38=26'] Exploring Operation: 72-26=46, Resulting Numbers: [70, 46] Generated Node #0,3,0: 26:[70, 46] Operation: 72-26=46 Exploring Operation: 72+26=98, Resulting Numbers: [70, 98] Generated Node #0,3,1: 26:[70, 98] Operation: 72+26=98 Exploring Operation: 70-26=44, Resulting Numbers: [72, 44] Generated Node #0,3,2: 26:[72, 44] Operation: 70-26=44 Exploring Operation: 72+70=142, Resulting Numbers: [26, 142] Generated Node #0,3,3: 26:[26, 142] Operation: 72+70=142 Exploring Operation: 72-70=2, Resulting Numbers: [26, 2] Generated Node #0,3,4: 26:[26, 2] Operation: 72-70=2 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[26, 2], Operations: ['64-38=26', '72-70=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,26 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 #0,3,0 Current State: 26:[70, 46], Operations: ['64-38=26', '72-26=46'] Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,26 unequal: No Solution Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,26 unequal: No Solution Exploring Operation: 70-46=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 #0,3,2 Current State: 26:[72, 44], Operations: ['64-38=26', '70-26=44'] Exploring Operation: 72+44=116, Resulting Numbers: [116] 116,26 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 72*44=3168, Resulting Numbers: [3168] 3168,26 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 #0,3,1 Current State: 26:[70, 98], Operations: ['64-38=26', '72+26=98'] Exploring Operation: 70+98=168, Resulting Numbers: [168] 168,26 unequal: No Solution Exploring Operation: 70*98=6860, Resulting Numbers: [6860] 6860,26 unequal: No Solution Exploring Operation: 98-70=28, Resulting Numbers: [28] 28,26 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 #0,3,3 Current State: 26:[26, 142], Operations: ['64-38=26', '72+70=142'] Exploring Operation: 26+142=168, Resulting Numbers: [168] 168,26 unequal: No Solution Exploring Operation: 26*142=3692, Resulting Numbers: [3692] 3692,26 unequal: No Solution Exploring Operation: 142-26=116, Resulting Numbers: [116] 116,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,4 Current State: 26:[2, 26], Operations: ['72-70=2', '64-38=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[8, 32], Operations: ['72-64=8', '70-38=32'] Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,26 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,26 unequal: No Solution 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 #0,4,3 Current State: 26:[6, 34], Operations: ['70-64=6', '72-38=34'] Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,26 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[34, 6], Operations: ['72-38=34', '70-64=6'] Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,26 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,26 unequal: No Solution Moving to Node #0,4,1 Current State: 26:[38, 12], Operations: ['70-64=6', '72/6=12'] Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,26 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[38, 72, 64, 70], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [38, 72, 6] Generated Node #0,4: 26:[38, 72, 6] Operation: 70-64=6 Moving to Node #0,4 Current State: 26:[38, 72, 6], Operations: ['70-64=6'] Exploring Operation: 72/6=12, Resulting Numbers: [38, 12] Generated Node #0,4,1: 26:[38, 12] Operation: 72/6=12 Moving to Node #0,4,1 Current State: 26:[38, 12], Operations: ['70-64=6', '72/6=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.942708
hs_5
mult_heuristic