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
[ 80, 14, 69, 53 ]
70
[ "80*14=1120", "69-53=16", "1120/16=70" ]
Current State: 70:[80, 14, 69, 53], Operations: [] Exploring Operation: 80*14=1120, Resulting Numbers: [69, 53, 1120] Generated Node #2: [69, 53, 1120] from Operation: 80*14=1120 Current State: 70:[69, 53, 1120], Operations: ['80*14=1120'] Exploring Operation: 69-53=16, Resulting Numbers: [1120, 16] Generated Node #3: [1120, 16] from Operation: 69-53=16 Current State: 70:[1120, 16], Operations: ['80*14=1120', '69-53=16'] Exploring Operation: 1120/16=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[80, 14, 69, 53], Operations: [] Exploring Operation: 80-53=27, Resulting Numbers: [14, 69, 27] Generated Node #0,0: 70:[14, 69, 27] Operation: 80-53=27 Exploring Operation: 69-53=16, Resulting Numbers: [80, 14, 16] Generated Node #0,1: 70:[80, 14, 16] Operation: 69-53=16 Moving to Node #0,0 Current State: 70:[14, 69, 27], Operations: ['80-53=27'] Exploring Operation: 14+27=41, Resulting Numbers: [69, 41] Generated Node #0,0,0: 70:[69, 41] Operation: 14+27=41 Exploring Operation: 27-14=13, Resulting Numbers: [69, 13] Generated Node #0,0,1: 70:[69, 13] Operation: 27-14=13 Moving to Node #0,1 Current State: 70:[80, 14, 16], Operations: ['69-53=16'] Exploring Operation: 80-14=66, Resulting Numbers: [16, 66] Generated Node #0,1,0: 70:[16, 66] Operation: 80-14=66 Exploring Operation: 80/16=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 70:[14, 5] Operation: 80/16=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[14, 5], Operations: ['69-53=16', '80/16=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[80, 14, 69, 53], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [80, 14, 16] Generated Node #0,1: 70:[80, 14, 16] Operation: 69-53=16 Moving to Node #0,1 Current State: 70:[80, 14, 16], Operations: ['69-53=16'] Exploring Operation: 80/16=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 70:[14, 5] Operation: 80/16=5 Moving to Node #0,1,1 Current State: 70:[14, 5], Operations: ['69-53=16', '80/16=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 49, 78, 4, 12 ]
13
[ "78-49=29", "4+12=16", "29-16=13" ]
Current State: 13:[49, 78, 4, 12], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [4, 12, 29] Generated Node #2: [4, 12, 29] from Operation: 78-49=29 Current State: 13:[4, 12, 29], Operations: ['78-49=29'] Exploring Operation: 4+12=16, Resulting Numbers: [29, 16] Generated Node #3: [29, 16] from Operation: 4+12=16 Current State: 13:[29, 16], Operations: ['78-49=29', '4+12=16'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[49, 78, 4, 12], Operations: [] Exploring Operation: 49-4=45, Resulting Numbers: [78, 12, 45] Generated Node #0,0: 13:[78, 12, 45] Operation: 49-4=45 Exploring Operation: 49-12=37, Resulting Numbers: [78, 4, 37] Generated Node #0,1: 13:[78, 4, 37] Operation: 49-12=37 Exploring Operation: 78-49=29, Resulting Numbers: [4, 12, 29] Generated Node #0,2: 13:[4, 12, 29] Operation: 78-49=29 Moving to Node #0,2 Current State: 13:[4, 12, 29], Operations: ['78-49=29'] Exploring Operation: 29-4=25, Resulting Numbers: [12, 25] Generated Node #0,2,0: 13:[12, 25] Operation: 29-4=25 Exploring Operation: 29-12=17, Resulting Numbers: [4, 17] Generated Node #0,2,1: 13:[4, 17] Operation: 29-12=17 Exploring Operation: 4+12=16, Resulting Numbers: [29, 16] Generated Node #0,2,2: 13:[29, 16] Operation: 4+12=16 Moving to Node #0,0 Current State: 13:[78, 12, 45], Operations: ['49-4=45'] Exploring Operation: 45-12=33, Resulting Numbers: [78, 33] Generated Node #0,0,0: 13:[78, 33] Operation: 45-12=33 Exploring Operation: 78-12=66, Resulting Numbers: [45, 66] Generated Node #0,0,1: 13:[45, 66] Operation: 78-12=66 Exploring Operation: 78-45=33, Resulting Numbers: [12, 33] Generated Node #0,0,2: 13:[12, 33] Operation: 78-45=33 Moving to Node #0,1 Current State: 13:[78, 4, 37], Operations: ['49-12=37'] Exploring Operation: 37-4=33, Resulting Numbers: [78, 33] Generated Node #0,1,0: 13:[78, 33] Operation: 37-4=33 Exploring Operation: 78-4=74, Resulting Numbers: [37, 74] Generated Node #0,1,1: 13:[37, 74] Operation: 78-4=74 Exploring Operation: 78-37=41, Resulting Numbers: [4, 41] Generated Node #0,1,2: 13:[4, 41] Operation: 78-37=41 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[4, 41], Operations: ['49-12=37', '78-37=41'] Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,13 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,13 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,13 unequal: No Solution No 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: 13:[78, 33], Operations: ['49-12=37', '37-4=33'] Exploring Operation: 78*33=2574, Resulting Numbers: [2574] 2574,13 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,13 unequal: No Solution Exploring Operation: 78+33=111, Resulting Numbers: [111] 111,13 unequal: No Solution No 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: 13:[37, 74], Operations: ['49-12=37', '78-4=74'] Exploring Operation: 37+74=111, Resulting Numbers: [111] 111,13 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 13:[12, 25], Operations: ['78-49=29', '29-4=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,13 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[49, 78, 4, 12], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [4, 12, 29] Generated Node #0,2: 13:[4, 12, 29] Operation: 78-49=29 Moving to Node #0,2 Current State: 13:[4, 12, 29], Operations: ['78-49=29'] Exploring Operation: 29-4=25, Resulting Numbers: [12, 25] Generated Node #0,2,0: 13:[12, 25] Operation: 29-4=25 Moving to Node #0,2,0 Current State: 13:[12, 25], Operations: ['78-49=29', '29-4=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 29, 79, 26, 65 ]
41
[ "79-29=50", "26+65=91", "91-50=41" ]
Current State: 41:[29, 79, 26, 65], Operations: [] Exploring Operation: 79-29=50, Resulting Numbers: [26, 65, 50] Generated Node #2: [26, 65, 50] from Operation: 79-29=50 Current State: 41:[26, 65, 50], Operations: ['79-29=50'] Exploring Operation: 26+65=91, Resulting Numbers: [50, 91] Generated Node #3: [50, 91] from Operation: 26+65=91 Current State: 41:[50, 91], Operations: ['79-29=50', '26+65=91'] Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[29, 79, 26, 65], Operations: [] Exploring Operation: 79-29=50, Resulting Numbers: [26, 65, 50] Generated Node #0,0: 41:[26, 65, 50] Operation: 79-29=50 Moving to Node #0,0 Current State: 41:[26, 65, 50], Operations: ['79-29=50'] Exploring Operation: 65-26=39, Resulting Numbers: [50, 39] Generated Node #0,0,0: 41:[50, 39] Operation: 65-26=39 Moving to Node #0,0,0 Current State: 41:[50, 39], Operations: ['79-29=50', '65-26=39'] Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,41 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 30, 36, 30, 27 ]
64
[ "30/30=1", "36+27=63", "1+63=64" ]
Current State: 64:[30, 36, 30, 27], Operations: [] Exploring Operation: 30/30=1, Resulting Numbers: [36, 27, 1] Generated Node #2: [36, 27, 1] from Operation: 30/30=1 Current State: 64:[36, 27, 1], Operations: ['30/30=1'] Exploring Operation: 36+27=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 36+27=63 Current State: 64:[1, 63], Operations: ['30/30=1', '36+27=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[30, 36, 30, 27], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [36, 30, 3] Generated Node #0,0: 64:[36, 30, 3] Operation: 30-27=3 Exploring Operation: 36-27=9, Resulting Numbers: [30, 30, 9] Generated Node #0,1: 64:[30, 30, 9] Operation: 36-27=9 Exploring Operation: 36+27=63, Resulting Numbers: [30, 30, 63] Generated Node #0,2: 64:[30, 30, 63] Operation: 36+27=63 Moving to Node #0,1 Current State: 64:[30, 30, 9], Operations: ['36-27=9'] Exploring Operation: 30+30=60, Resulting Numbers: [9, 60] Generated Node #0,1,0: 64:[9, 60] Operation: 30+30=60 Exploring Operation: 30/30=1, Resulting Numbers: [9, 1] Generated Node #0,1,1: 64:[9, 1] Operation: 30/30=1 Exploring Operation: 30-30=0, Resulting Numbers: [9, 0] Generated Node #0,1,2: 64:[9, 0] Operation: 30-30=0 Moving to Node #0,2 Current State: 64:[30, 30, 63], Operations: ['36+27=63'] Exploring Operation: 30/30=1, Resulting Numbers: [63, 1] Generated Node #0,2,0: 64:[63, 1] Operation: 30/30=1 Exploring Operation: 63-30=33, Resulting Numbers: [30, 33] Generated Node #0,2,1: 64:[30, 33] Operation: 63-30=33 Exploring Operation: 30-30=0, Resulting Numbers: [63, 0] Generated Node #0,2,2: 64:[63, 0] Operation: 30-30=0 Moving to Node #0,0 Current State: 64:[36, 30, 3], Operations: ['30-27=3'] Exploring Operation: 36+30=66, Resulting Numbers: [3, 66] Generated Node #0,0,0: 64:[3, 66] Operation: 36+30=66 Exploring Operation: 36-30=6, Resulting Numbers: [3, 6] Generated Node #0,0,1: 64:[3, 6] Operation: 36-30=6 Exploring Operation: 36-3=33, Resulting Numbers: [30, 33] Generated Node #0,0,2: 64:[30, 33] Operation: 36-3=33 Moving to Node #0,1,1 Current State: 64:[9, 1], Operations: ['36-27=9', '30/30=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,64 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[63, 1], Operations: ['36+27=63', '30/30=1'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[30, 36, 30, 27], Operations: [] Exploring Operation: 36+27=63, Resulting Numbers: [30, 30, 63] Generated Node #0,2: 64:[30, 30, 63] Operation: 36+27=63 Moving to Node #0,2 Current State: 64:[30, 30, 63], Operations: ['36+27=63'] Exploring Operation: 30/30=1, Resulting Numbers: [63, 1] Generated Node #0,2,0: 64:[63, 1] Operation: 30/30=1 Moving to Node #0,2,0 Current State: 64:[63, 1], Operations: ['36+27=63', '30/30=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.980903
hs_3
mult_heuristic
[ 3, 8, 93, 31 ]
14
[ "3+8=11", "93/31=3", "11+3=14" ]
Current State: 14:[3, 8, 93, 31], Operations: [] Exploring Operation: 3+8=11, Resulting Numbers: [93, 31, 11] Generated Node #2: [93, 31, 11] from Operation: 3+8=11 Current State: 14:[93, 31, 11], Operations: ['3+8=11'] Exploring Operation: 93/31=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 93/31=3 Current State: 14:[11, 3], Operations: ['3+8=11', '93/31=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[3, 8, 93, 31], Operations: [] Exploring Operation: 93-8=85, Resulting Numbers: [3, 31, 85] Generated Node #0,0: 14:[3, 31, 85] Operation: 93-8=85 Exploring Operation: 31-8=23, Resulting Numbers: [3, 93, 23] Generated Node #0,1: 14:[3, 93, 23] Operation: 31-8=23 Exploring Operation: 93/3=31, Resulting Numbers: [8, 31, 31] Generated Node #0,2: 14:[8, 31, 31] Operation: 93/3=31 Exploring Operation: 93-31=62, Resulting Numbers: [3, 8, 62] Generated Node #0,3: 14:[3, 8, 62] Operation: 93-31=62 Exploring Operation: 93/31=3, Resulting Numbers: [3, 8, 3] Generated Node #0,4: 14:[3, 8, 3] Operation: 93/31=3 Moving to Node #0,4 Current State: 14:[3, 8, 3], Operations: ['93/31=3'] Exploring Operation: 3-3=0, Resulting Numbers: [8, 0] Generated Node #0,4,0: 14:[8, 0] Operation: 3-3=0 Exploring Operation: 3+3=6, Resulting Numbers: [8, 6] Generated Node #0,4,1: 14:[8, 6] Operation: 3+3=6 Exploring Operation: 3/3=1, Resulting Numbers: [8, 1] Generated Node #0,4,2: 14:[8, 1] Operation: 3/3=1 Exploring Operation: 8-3=5, Resulting Numbers: [3, 5] Generated Node #0,4,3: 14:[3, 5] Operation: 8-3=5 Exploring Operation: 3*3=9, Resulting Numbers: [8, 9] Generated Node #0,4,4: 14:[8, 9] Operation: 3*3=9 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 14:[8, 6], Operations: ['93/31=3', '3+3=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[3, 8, 93, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [3, 8, 3] Generated Node #0,4: 14:[3, 8, 3] Operation: 93/31=3 Moving to Node #0,4 Current State: 14:[3, 8, 3], Operations: ['93/31=3'] Exploring Operation: 3+3=6, Resulting Numbers: [8, 6] Generated Node #0,4,1: 14:[8, 6] Operation: 3+3=6 Moving to Node #0,4,1 Current State: 14:[8, 6], Operations: ['93/31=3', '3+3=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 99, 58, 54, 28 ]
67
[ "99-58=41", "54-28=26", "41+26=67" ]
Current State: 67:[99, 58, 54, 28], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [54, 28, 41] Generated Node #2: [54, 28, 41] from Operation: 99-58=41 Current State: 67:[54, 28, 41], Operations: ['99-58=41'] Exploring Operation: 54-28=26, Resulting Numbers: [41, 26] Generated Node #3: [41, 26] from Operation: 54-28=26 Current State: 67:[41, 26], Operations: ['99-58=41', '54-28=26'] Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[99, 58, 54, 28], Operations: [] Exploring Operation: 99-28=71, Resulting Numbers: [58, 54, 71] Generated Node #0,0: 67:[58, 54, 71] Operation: 99-28=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[58, 54, 71], Operations: ['99-28=71'] Exploring Operation: 58+54=112, Resulting Numbers: [71, 112] Generated Node #0,0,0: 67:[71, 112] Operation: 58+54=112 Moving to Node #0,0,0 Current State: 67:[71, 112], Operations: ['99-28=71', '58+54=112'] Exploring Operation: 112-71=41, Resulting Numbers: [41] 41,67 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
[ 74, 90, 88, 35 ]
63
[ "74+88=162", "35*162=5670", "5670/90=63" ]
Current State: 63:[74, 90, 88, 35], Operations: [] Exploring Operation: 74+88=162, Resulting Numbers: [90, 35, 162] Generated Node #2: [90, 35, 162] from Operation: 74+88=162 Current State: 63:[90, 35, 162], Operations: ['74+88=162'] Exploring Operation: 35*162=5670, Resulting Numbers: [90, 5670] Generated Node #3: [90, 5670] from Operation: 35*162=5670 Current State: 63:[90, 5670], Operations: ['74+88=162', '35*162=5670'] Exploring Operation: 5670/90=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[74, 90, 88, 35], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [88, 35, 16] Generated Node #0,0: 63:[88, 35, 16] Operation: 90-74=16 Exploring Operation: 90-88=2, Resulting Numbers: [74, 35, 2] Generated Node #0,1: 63:[74, 35, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[74, 35, 2], Operations: ['90-88=2'] Exploring Operation: 74-35=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 63:[2, 39] Operation: 74-35=39 Exploring Operation: 35*2=70, Resulting Numbers: [74, 70] Generated Node #0,1,1: 63:[74, 70] Operation: 35*2=70 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[74, 70], Operations: ['90-88=2', '35*2=70'] Exploring Operation: 74+70=144, Resulting Numbers: [144] 144,63 unequal: No Solution Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,63 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: 63:[2, 39], Operations: ['90-88=2', '74-35=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,63 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,63 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: 63:[88, 35, 16], Operations: ['90-74=16'] Exploring Operation: 88-16=72, Resulting Numbers: [35, 72] Generated Node #0,0,0: 63:[35, 72] Operation: 88-16=72 Exploring Operation: 88-35=53, Resulting Numbers: [16, 53] Generated Node #0,0,1: 63:[16, 53] Operation: 88-35=53 Moving to Node #0,0,1 Current State: 63:[16, 53], Operations: ['90-74=16', '88-35=53'] Exploring Operation: 16+53=69, Resulting Numbers: [69] 69,63 unequal: No Solution Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[35, 72], Operations: ['90-74=16', '88-16=72'] Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,63 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,63 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
[ 6, 2, 13, 23 ]
57
[ "6*13=78", "23-2=21", "78-21=57" ]
Current State: 57:[6, 2, 13, 23], Operations: [] Exploring Operation: 6*13=78, Resulting Numbers: [2, 23, 78] Generated Node #2: [2, 23, 78] from Operation: 6*13=78 Current State: 57:[2, 23, 78], Operations: ['6*13=78'] Exploring Operation: 23-2=21, Resulting Numbers: [78, 21] Generated Node #3: [78, 21] from Operation: 23-2=21 Current State: 57:[78, 21], Operations: ['6*13=78', '23-2=21'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[6, 2, 13, 23], Operations: [] Exploring Operation: 6-2=4, Resulting Numbers: [13, 23, 4] Generated Node #0,0: 57:[13, 23, 4] Operation: 6-2=4 Exploring Operation: 23-6=17, Resulting Numbers: [2, 13, 17] Generated Node #0,1: 57:[2, 13, 17] Operation: 23-6=17 Exploring Operation: 13-6=7, Resulting Numbers: [2, 23, 7] Generated Node #0,2: 57:[2, 23, 7] Operation: 13-6=7 Exploring Operation: 6+13=19, Resulting Numbers: [2, 23, 19] Generated Node #0,3: 57:[2, 23, 19] Operation: 6+13=19 Exploring Operation: 6/2=3, Resulting Numbers: [13, 23, 3] Generated Node #0,4: 57:[13, 23, 3] Operation: 6/2=3 Moving to Node #0,3 Current State: 57:[2, 23, 19], Operations: ['6+13=19'] Exploring Operation: 23-19=4, Resulting Numbers: [2, 4] Generated Node #0,3,0: 57:[2, 4] Operation: 23-19=4 Exploring Operation: 19-2=17, Resulting Numbers: [23, 17] Generated Node #0,3,1: 57:[23, 17] Operation: 19-2=17 Exploring Operation: 2+19=21, Resulting Numbers: [23, 21] Generated Node #0,3,2: 57:[23, 21] Operation: 2+19=21 Exploring Operation: 2+23=25, Resulting Numbers: [19, 25] Generated Node #0,3,3: 57:[19, 25] Operation: 2+23=25 Exploring Operation: 23-2=21, Resulting Numbers: [19, 21] Generated Node #0,3,4: 57:[19, 21] Operation: 23-2=21 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[2, 4], Operations: ['6+13=19', '23-19=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,57 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 #0,3,4 Current State: 57:[19, 21], Operations: ['6+13=19', '23-2=21'] Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,57 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,57 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 #0,3,1 Current State: 57:[23, 17], Operations: ['6+13=19', '19-2=17'] Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 23*17=391, Resulting Numbers: [391] 391,57 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,57 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 #0,3,2 Current State: 57:[23, 21], Operations: ['6+13=19', '2+19=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,57 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,57 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 #0,3,3 Current State: 57:[19, 25], Operations: ['6+13=19', '2+23=25'] Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,57 unequal: No Solution Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,57 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: 57:[2, 23, 7], Operations: ['13-6=7'] Exploring Operation: 2+23=25, Resulting Numbers: [7, 25] Generated Node #0,2,0: 57:[7, 25] Operation: 2+23=25 Exploring Operation: 7-2=5, Resulting Numbers: [23, 5] Generated Node #0,2,1: 57:[23, 5] Operation: 7-2=5 Exploring Operation: 23-7=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 57:[2, 16] Operation: 23-7=16 Exploring Operation: 23-2=21, Resulting Numbers: [7, 21] Generated Node #0,2,3: 57:[7, 21] Operation: 23-2=21 Exploring Operation: 2*7=14, Resulting Numbers: [23, 14] Generated Node #0,2,4: 57:[23, 14] Operation: 2*7=14 Moving to Node #0,1 Current State: 57:[2, 13, 17], Operations: ['23-6=17'] Exploring Operation: 2+17=19, Resulting Numbers: [13, 19] Generated Node #0,1,0: 57:[13, 19] Operation: 2+17=19 Exploring Operation: 17-13=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 57:[2, 4] Operation: 17-13=4 Exploring Operation: 13-2=11, Resulting Numbers: [17, 11] Generated Node #0,1,2: 57:[17, 11] Operation: 13-2=11 Exploring Operation: 2*13=26, Resulting Numbers: [17, 26] Generated Node #0,1,3: 57:[17, 26] Operation: 2*13=26 Exploring Operation: 2+13=15, Resulting Numbers: [17, 15] Generated Node #0,1,4: 57:[17, 15] Operation: 2+13=15 Moving to Node #0,4 Current State: 57:[13, 23, 3], Operations: ['6/2=3'] Exploring Operation: 13-3=10, Resulting Numbers: [23, 10] Generated Node #0,4,0: 57:[23, 10] Operation: 13-3=10 Exploring Operation: 13+3=16, Resulting Numbers: [23, 16] Generated Node #0,4,1: 57:[23, 16] Operation: 13+3=16 Exploring Operation: 23-3=20, Resulting Numbers: [13, 20] Generated Node #0,4,2: 57:[13, 20] Operation: 23-3=20 Exploring Operation: 23-13=10, Resulting Numbers: [3, 10] Generated Node #0,4,3: 57:[3, 10] Operation: 23-13=10 Exploring Operation: 23+3=26, Resulting Numbers: [13, 26] Generated Node #0,4,4: 57:[13, 26] Operation: 23+3=26 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 57:[23, 16], Operations: ['6/2=3', '13+3=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,57 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,57 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 #0,4,2 Current State: 57:[13, 20], Operations: ['6/2=3', '23-3=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,57 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,57 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 #0,4,3 Current State: 57:[3, 10], Operations: ['6/2=3', '23-13=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,57 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,57 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 #0,4,0 Current State: 57:[23, 10], Operations: ['6/2=3', '13-3=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,57 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,57 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 #0,4,4 Current State: 57:[13, 26], Operations: ['6/2=3', '23+3=26'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,57 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: 57:[13, 23, 4], Operations: ['6-2=4'] Exploring Operation: 23-13=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 57:[4, 10] Operation: 23-13=10 Exploring Operation: 23-4=19, Resulting Numbers: [13, 19] Generated Node #0,0,1: 57:[13, 19] Operation: 23-4=19 Exploring Operation: 13-4=9, Resulting Numbers: [23, 9] Generated Node #0,0,2: 57:[23, 9] Operation: 13-4=9 Exploring Operation: 13+4=17, Resulting Numbers: [23, 17] Generated Node #0,0,3: 57:[23, 17] Operation: 13+4=17 Exploring Operation: 13*4=52, Resulting Numbers: [23, 52] Generated Node #0,0,4: 57:[23, 52] Operation: 13*4=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[13, 19], Operations: ['6-2=4', '23-4=19'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,57 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,57 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 #0,0,3 Current State: 57:[23, 17], Operations: ['6-2=4', '13+4=17'] Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 23*17=391, Resulting Numbers: [391] 391,57 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,57 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 #0,0,0 Current State: 57:[4, 10], Operations: ['6-2=4', '23-13=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,57 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 #0,0,4 Current State: 57:[23, 52], Operations: ['6-2=4', '13*4=52'] Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,57 unequal: No Solution Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,57 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 #0,0,2 Current State: 57:[23, 9], Operations: ['6-2=4', '13-4=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,57 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 57:[2, 4], Operations: ['23-6=17', '17-13=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[2, 16], Operations: ['13-6=7', '23-7=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[13, 19], Operations: ['23-6=17', '2+17=19'] Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[7, 21], Operations: ['13-6=7', '23-2=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[23, 5], Operations: ['13-6=7', '7-2=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,57 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,57 unequal: No Solution Moving to Node #0,1,4 Current State: 57:[17, 15], Operations: ['23-6=17', '2+13=15'] Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,57 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[17, 26], Operations: ['23-6=17', '2*13=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,57 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[23, 14], Operations: ['13-6=7', '2*7=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,57 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[17, 11], Operations: ['23-6=17', '13-2=11'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,57 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[7, 25], Operations: ['13-6=7', '2+23=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,57 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 27, 98, 5, 47 ]
72
[ "27+98=125", "125/5=25", "47+25=72" ]
Current State: 72:[27, 98, 5, 47], Operations: [] Exploring Operation: 27+98=125, Resulting Numbers: [5, 47, 125] Generated Node #2: [5, 47, 125] from Operation: 27+98=125 Current State: 72:[5, 47, 125], Operations: ['27+98=125'] Exploring Operation: 125/5=25, Resulting Numbers: [47, 25] Generated Node #3: [47, 25] from Operation: 125/5=25 Current State: 72:[47, 25], Operations: ['27+98=125', '125/5=25'] Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[27, 98, 5, 47], Operations: [] Exploring Operation: 98-27=71, Resulting Numbers: [5, 47, 71] Generated Node #0,0: 72:[5, 47, 71] Operation: 98-27=71 Exploring Operation: 98-47=51, Resulting Numbers: [27, 5, 51] Generated Node #0,1: 72:[27, 5, 51] Operation: 98-47=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[5, 47, 71], Operations: ['98-27=71'] Exploring Operation: 71-47=24, Resulting Numbers: [5, 24] Generated Node #0,0,0: 72:[5, 24] Operation: 71-47=24 Exploring Operation: 47-5=42, Resulting Numbers: [71, 42] Generated Node #0,0,1: 72:[71, 42] Operation: 47-5=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[5, 24], Operations: ['98-27=71', '71-47=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,72 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: 72:[71, 42], Operations: ['98-27=71', '47-5=42'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,72 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: 72:[27, 5, 51], Operations: ['98-47=51'] Exploring Operation: 27+51=78, Resulting Numbers: [5, 78] Generated Node #0,1,0: 72:[5, 78] Operation: 27+51=78 Exploring Operation: 51-27=24, Resulting Numbers: [5, 24] Generated Node #0,1,1: 72:[5, 24] Operation: 51-27=24 Moving to Node #0,1,1 Current State: 72:[5, 24], Operations: ['98-47=51', '51-27=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[5, 78], Operations: ['98-47=51', '27+51=78'] Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,72 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
[ 73, 25, 97, 39 ]
38
[ "73+25=98", "97+39=136", "136-98=38" ]
Current State: 38:[73, 25, 97, 39], Operations: [] Exploring Operation: 73+25=98, Resulting Numbers: [97, 39, 98] Generated Node #2: [97, 39, 98] from Operation: 73+25=98 Current State: 38:[97, 39, 98], Operations: ['73+25=98'] Exploring Operation: 97+39=136, Resulting Numbers: [98, 136] Generated Node #3: [98, 136] from Operation: 97+39=136 Current State: 38:[98, 136], Operations: ['73+25=98', '97+39=136'] Exploring Operation: 136-98=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[73, 25, 97, 39], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [25, 97, 34] Generated Node #0,0: 38:[25, 97, 34] Operation: 73-39=34 Exploring Operation: 97-73=24, Resulting Numbers: [25, 39, 24] Generated Node #0,1: 38:[25, 39, 24] Operation: 97-73=24 Exploring Operation: 97-39=58, Resulting Numbers: [73, 25, 58] Generated Node #0,2: 38:[73, 25, 58] Operation: 97-39=58 Moving to Node #0,1 Current State: 38:[25, 39, 24], Operations: ['97-73=24'] Exploring Operation: 25-24=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 38:[39, 1] Operation: 25-24=1 Exploring Operation: 39-24=15, Resulting Numbers: [25, 15] Generated Node #0,1,1: 38:[25, 15] Operation: 39-24=15 Exploring Operation: 39-25=14, Resulting Numbers: [24, 14] Generated Node #0,1,2: 38:[24, 14] Operation: 39-25=14 Moving to Node #0,2 Current State: 38:[73, 25, 58], Operations: ['97-39=58'] Exploring Operation: 58-25=33, Resulting Numbers: [73, 33] Generated Node #0,2,0: 38:[73, 33] Operation: 58-25=33 Exploring Operation: 73-58=15, Resulting Numbers: [25, 15] Generated Node #0,2,1: 38:[25, 15] Operation: 73-58=15 Exploring Operation: 73-25=48, Resulting Numbers: [58, 48] Generated Node #0,2,2: 38:[58, 48] Operation: 73-25=48 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[25, 15], Operations: ['97-39=58', '73-58=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,38 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[58, 48], Operations: ['97-39=58', '73-25=48'] Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,38 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,38 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[73, 33], Operations: ['97-39=58', '58-25=33'] Exploring Operation: 73+33=106, Resulting Numbers: [106] 106,38 unequal: No Solution Exploring Operation: 73*33=2409, Resulting Numbers: [2409] 2409,38 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,38 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: 38:[25, 97, 34], Operations: ['73-39=34'] Exploring Operation: 34-25=9, Resulting Numbers: [97, 9] Generated Node #0,0,0: 38:[97, 9] Operation: 34-25=9 Exploring Operation: 97-25=72, Resulting Numbers: [34, 72] Generated Node #0,0,1: 38:[34, 72] Operation: 97-25=72 Exploring Operation: 97-34=63, Resulting Numbers: [25, 63] Generated Node #0,0,2: 38:[25, 63] Operation: 97-34=63 Moving to Node #0,1,0 Current State: 38:[39, 1], Operations: ['97-73=24', '25-24=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,38 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,38 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[73, 25, 97, 39], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [25, 39, 24] Generated Node #0,1: 38:[25, 39, 24] Operation: 97-73=24 Moving to Node #0,1 Current State: 38:[25, 39, 24], Operations: ['97-73=24'] Exploring Operation: 25-24=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 38:[39, 1] Operation: 25-24=1 Moving to Node #0,1,0 Current State: 38:[39, 1], Operations: ['97-73=24', '25-24=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 79, 13, 72, 30 ]
50
[ "79+13=92", "72-30=42", "92-42=50" ]
Current State: 50:[79, 13, 72, 30], Operations: [] Exploring Operation: 79+13=92, Resulting Numbers: [72, 30, 92] Generated Node #2: [72, 30, 92] from Operation: 79+13=92 Current State: 50:[72, 30, 92], Operations: ['79+13=92'] Exploring Operation: 72-30=42, Resulting Numbers: [92, 42] Generated Node #3: [92, 42] from Operation: 72-30=42 Current State: 50:[92, 42], Operations: ['79+13=92', '72-30=42'] Exploring Operation: 92-42=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[79, 13, 72, 30], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [13, 30, 7] Generated Node #0,0: 50:[13, 30, 7] Operation: 79-72=7 Moving to Node #0,0 Current State: 50:[13, 30, 7], Operations: ['79-72=7'] Exploring Operation: 30-7=23, Resulting Numbers: [13, 23] Generated Node #0,0,0: 50:[13, 23] Operation: 30-7=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[13, 23], Operations: ['79-72=7', '30-7=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,50 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
[ 24, 93, 18, 32 ]
19
[ "93-24=69", "18+32=50", "69-50=19" ]
Current State: 19:[24, 93, 18, 32], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [18, 32, 69] Generated Node #2: [18, 32, 69] from Operation: 93-24=69 Current State: 19:[18, 32, 69], Operations: ['93-24=69'] Exploring Operation: 18+32=50, Resulting Numbers: [69, 50] Generated Node #3: [69, 50] from Operation: 18+32=50 Current State: 19:[69, 50], Operations: ['93-24=69', '18+32=50'] Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[24, 93, 18, 32], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [18, 32, 69] Generated Node #0,0: 19:[18, 32, 69] Operation: 93-24=69 Exploring Operation: 93-32=61, Resulting Numbers: [24, 18, 61] Generated Node #0,1: 19:[24, 18, 61] Operation: 93-32=61 Exploring Operation: 93-18=75, Resulting Numbers: [24, 32, 75] Generated Node #0,2: 19:[24, 32, 75] Operation: 93-18=75 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[24, 18, 61], Operations: ['93-32=61'] Exploring Operation: 24-18=6, Resulting Numbers: [61, 6] Generated Node #0,1,0: 19:[61, 6] Operation: 24-18=6 Exploring Operation: 61-18=43, Resulting Numbers: [24, 43] Generated Node #0,1,1: 19:[24, 43] Operation: 61-18=43 Exploring Operation: 61-24=37, Resulting Numbers: [18, 37] Generated Node #0,1,2: 19:[18, 37] Operation: 61-24=37 Moving to Node #0,1,2 Current State: 19:[18, 37], Operations: ['93-32=61', '61-24=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[24, 93, 18, 32], Operations: [] Exploring Operation: 93-32=61, Resulting Numbers: [24, 18, 61] Generated Node #0,1: 19:[24, 18, 61] Operation: 93-32=61 Moving to Node #0,1 Current State: 19:[24, 18, 61], Operations: ['93-32=61'] Exploring Operation: 61-24=37, Resulting Numbers: [18, 37] Generated Node #0,1,2: 19:[18, 37] Operation: 61-24=37 Moving to Node #0,1,2 Current State: 19:[18, 37], Operations: ['93-32=61', '61-24=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 15, 77, 66, 55 ]
17
[ "77+55=132", "132/66=2", "15+2=17" ]
Current State: 17:[15, 77, 66, 55], Operations: [] Exploring Operation: 77+55=132, Resulting Numbers: [15, 66, 132] Generated Node #2: [15, 66, 132] from Operation: 77+55=132 Current State: 17:[15, 66, 132], Operations: ['77+55=132'] Exploring Operation: 132/66=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 132/66=2 Current State: 17:[15, 2], Operations: ['77+55=132', '132/66=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[15, 77, 66, 55], Operations: [] Exploring Operation: 66-15=51, Resulting Numbers: [77, 55, 51] Generated Node #0,0: 17:[77, 55, 51] Operation: 66-15=51 Exploring Operation: 77-66=11, Resulting Numbers: [15, 55, 11] Generated Node #0,1: 17:[15, 55, 11] Operation: 77-66=11 Exploring Operation: 77-15=62, Resulting Numbers: [66, 55, 62] Generated Node #0,2: 17:[66, 55, 62] Operation: 77-15=62 Exploring Operation: 77-55=22, Resulting Numbers: [15, 66, 22] Generated Node #0,3: 17:[15, 66, 22] Operation: 77-55=22 Exploring Operation: 66-55=11, Resulting Numbers: [15, 77, 11] Generated Node #0,4: 17:[15, 77, 11] Operation: 66-55=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[15, 55, 11], Operations: ['77-66=11'] Exploring Operation: 55-11=44, Resulting Numbers: [15, 44] Generated Node #0,1,0: 17:[15, 44] Operation: 55-11=44 Exploring Operation: 15-11=4, Resulting Numbers: [55, 4] Generated Node #0,1,1: 17:[55, 4] Operation: 15-11=4 Exploring Operation: 55/11=5, Resulting Numbers: [15, 5] Generated Node #0,1,2: 17:[15, 5] Operation: 55/11=5 Exploring Operation: 55-15=40, Resulting Numbers: [11, 40] Generated Node #0,1,3: 17:[11, 40] Operation: 55-15=40 Exploring Operation: 15+11=26, Resulting Numbers: [55, 26] Generated Node #0,1,4: 17:[55, 26] Operation: 15+11=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 17:[15, 5], Operations: ['77-66=11', '55/11=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,17 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,17 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: 17:[15, 44], Operations: ['77-66=11', '55-11=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,17 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,17 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: 17:[11, 40], Operations: ['77-66=11', '55-15=40'] Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 11*40=440, Resulting Numbers: [440] 440,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 17:[55, 26], Operations: ['77-66=11', '15+11=26'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 55*26=1430, Resulting Numbers: [1430] 1430,17 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: 17:[55, 4], Operations: ['77-66=11', '15-11=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,17 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: 17:[15, 66, 22], Operations: ['77-55=22'] Exploring Operation: 66-15=51, Resulting Numbers: [22, 51] Generated Node #0,3,0: 17:[22, 51] Operation: 66-15=51 Exploring Operation: 66/22=3, Resulting Numbers: [15, 3] Generated Node #0,3,1: 17:[15, 3] Operation: 66/22=3 Exploring Operation: 22-15=7, Resulting Numbers: [66, 7] Generated Node #0,3,2: 17:[66, 7] Operation: 22-15=7 Exploring Operation: 66-22=44, Resulting Numbers: [15, 44] Generated Node #0,3,3: 17:[15, 44] Operation: 66-22=44 Exploring Operation: 15+66=81, Resulting Numbers: [22, 81] Generated Node #0,3,4: 17:[22, 81] Operation: 15+66=81 Moving to Node #0,3,1 Current State: 17:[15, 3], Operations: ['77-55=22', '66/22=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,17 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[15, 44], Operations: ['77-55=22', '66-22=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,17 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,17 unequal: No Solution Moving to Node #0,3,0 Current State: 17:[22, 51], Operations: ['77-55=22', '66-15=51'] Exploring Operation: 22+51=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 22*51=1122, Resulting Numbers: [1122] 1122,17 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[66, 7], Operations: ['77-55=22', '22-15=7'] Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,17 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,17 unequal: No Solution Moving to Node #0,3,4 Current State: 17:[22, 81], Operations: ['77-55=22', '15+66=81'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 22*81=1782, Resulting Numbers: [1782] 1782,17 unequal: No Solution Exploring Operation: 22+81=103, Resulting Numbers: [103] 103,17 unequal: No Solution No 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: 17:[15, 77, 11], Operations: ['66-55=11'] Exploring Operation: 77/11=7, Resulting Numbers: [15, 7] Generated Node #0,4,0: 17:[15, 7] Operation: 77/11=7 Exploring Operation: 77-11=66, Resulting Numbers: [15, 66] Generated Node #0,4,1: 17:[15, 66] Operation: 77-11=66 Exploring Operation: 77-15=62, Resulting Numbers: [11, 62] Generated Node #0,4,2: 17:[11, 62] Operation: 77-15=62 Exploring Operation: 15+11=26, Resulting Numbers: [77, 26] Generated Node #0,4,3: 17:[77, 26] Operation: 15+11=26 Exploring Operation: 15-11=4, Resulting Numbers: [77, 4] Generated Node #0,4,4: 17:[77, 4] Operation: 15-11=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 17:[15, 7], Operations: ['66-55=11', '77/11=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,17 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: 17:[15, 66], Operations: ['66-55=11', '77-11=66'] Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,17 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,17 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: 17:[11, 62], Operations: ['66-55=11', '77-15=62'] Exploring Operation: 11*62=682, Resulting Numbers: [682] 682,17 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 11+62=73, Resulting Numbers: [73] 73,17 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: 17:[77, 26], Operations: ['66-55=11', '15+11=26'] Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,17 unequal: No Solution Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,17 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: 17:[77, 4], Operations: ['66-55=11', '15-11=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,17 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,17 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: 17:[77, 55, 51], Operations: ['66-15=51'] Exploring Operation: 77+51=128, Resulting Numbers: [55, 128] Generated Node #0,0,0: 17:[55, 128] Operation: 77+51=128 Exploring Operation: 77-51=26, Resulting Numbers: [55, 26] Generated Node #0,0,1: 17:[55, 26] Operation: 77-51=26 Exploring Operation: 77-55=22, Resulting Numbers: [51, 22] Generated Node #0,0,2: 17:[51, 22] Operation: 77-55=22 Exploring Operation: 55-51=4, Resulting Numbers: [77, 4] Generated Node #0,0,3: 17:[77, 4] Operation: 55-51=4 Exploring Operation: 77+55=132, Resulting Numbers: [51, 132] Generated Node #0,0,4: 17:[51, 132] Operation: 77+55=132 Moving to Node #0,0,2 Current State: 17:[51, 22], Operations: ['66-15=51', '77-55=22'] Exploring Operation: 51*22=1122, Resulting Numbers: [1122] 1122,17 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 51+22=73, Resulting Numbers: [73] 73,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[55, 26], Operations: ['66-15=51', '77-51=26'] Exploring Operation: 55*26=1430, Resulting Numbers: [1430] 1430,17 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[77, 4], Operations: ['66-15=51', '55-51=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[55, 128], Operations: ['66-15=51', '77+51=128'] Exploring Operation: 55*128=7040, Resulting Numbers: [7040] 7040,17 unequal: No Solution Exploring Operation: 128-55=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 55+128=183, Resulting Numbers: [183] 183,17 unequal: No Solution Moving to Node #0,0,4 Current State: 17:[51, 132], Operations: ['66-15=51', '77+55=132'] Exploring Operation: 51+132=183, Resulting Numbers: [183] 183,17 unequal: No Solution Exploring Operation: 51*132=6732, Resulting Numbers: [6732] 6732,17 unequal: No Solution Exploring Operation: 132-51=81, Resulting Numbers: [81] 81,17 unequal: No Solution No 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: 17:[66, 55, 62], Operations: ['77-15=62'] Exploring Operation: 66+62=128, Resulting Numbers: [55, 128] Generated Node #0,2,0: 17:[55, 128] Operation: 66+62=128 Exploring Operation: 62-55=7, Resulting Numbers: [66, 7] Generated Node #0,2,1: 17:[66, 7] Operation: 62-55=7 Exploring Operation: 66-55=11, Resulting Numbers: [62, 11] Generated Node #0,2,2: 17:[62, 11] Operation: 66-55=11 Exploring Operation: 66+55=121, Resulting Numbers: [62, 121] Generated Node #0,2,3: 17:[62, 121] Operation: 66+55=121 Exploring Operation: 66-62=4, Resulting Numbers: [55, 4] Generated Node #0,2,4: 17:[55, 4] Operation: 66-62=4 Moving to Node #0,2,2 Current State: 17:[62, 11], Operations: ['77-15=62', '66-55=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,17 unequal: No Solution Moving to Node #0,2,4 Current State: 17:[55, 4], Operations: ['77-15=62', '66-62=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[66, 7], Operations: ['77-15=62', '62-55=7'] Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,17 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[55, 128], Operations: ['77-15=62', '66+62=128'] Exploring Operation: 55+128=183, Resulting Numbers: [183] 183,17 unequal: No Solution Exploring Operation: 55*128=7040, Resulting Numbers: [7040] 7040,17 unequal: No Solution Exploring Operation: 128-55=73, Resulting Numbers: [73] 73,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[62, 121], Operations: ['77-15=62', '66+55=121'] Exploring Operation: 62+121=183, Resulting Numbers: [183] 183,17 unequal: No Solution Exploring Operation: 62*121=7502, Resulting Numbers: [7502] 7502,17 unequal: No Solution Exploring Operation: 121-62=59, Resulting Numbers: [59] 59,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 59, 59, 78, 36 ]
42
[ "59-59=0", "78-36=42", "0+42=42" ]
Current State: 42:[59, 59, 78, 36], Operations: [] Exploring Operation: 59-59=0, Resulting Numbers: [78, 36, 0] Generated Node #2: [78, 36, 0] from Operation: 59-59=0 Current State: 42:[78, 36, 0], Operations: ['59-59=0'] Exploring Operation: 78-36=42, Resulting Numbers: [0, 42] Generated Node #3: [0, 42] from Operation: 78-36=42 Current State: 42:[0, 42], Operations: ['59-59=0', '78-36=42'] Exploring Operation: 0+42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[59, 59, 78, 36], Operations: [] Exploring Operation: 78-59=19, Resulting Numbers: [59, 36, 19] Generated Node #0,0: 42:[59, 36, 19] Operation: 78-59=19 Exploring Operation: 78-59=19, Resulting Numbers: [59, 36, 19] Generated Node #0,1: 42:[59, 36, 19] Operation: 78-59=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[59, 36, 19], Operations: ['78-59=19'] Exploring Operation: 59-19=40, Resulting Numbers: [36, 40] Generated Node #0,0,0: 42:[36, 40] Operation: 59-19=40 Exploring Operation: 59-36=23, Resulting Numbers: [19, 23] Generated Node #0,0,1: 42:[19, 23] Operation: 59-36=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[19, 23], Operations: ['78-59=19', '59-36=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[59, 59, 78, 36], Operations: [] Exploring Operation: 78-59=19, Resulting Numbers: [59, 36, 19] Generated Node #0,0: 42:[59, 36, 19] Operation: 78-59=19 Moving to Node #0,0 Current State: 42:[59, 36, 19], Operations: ['78-59=19'] Exploring Operation: 59-36=23, Resulting Numbers: [19, 23] Generated Node #0,0,1: 42:[19, 23] Operation: 59-36=23 Moving to Node #0,0,1 Current State: 42:[19, 23], Operations: ['78-59=19', '59-36=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 41, 10, 91, 58 ]
80
[ "91-41=50", "58-50=8", "10*8=80" ]
Current State: 80:[41, 10, 91, 58], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [10, 58, 50] Generated Node #2: [10, 58, 50] from Operation: 91-41=50 Current State: 80:[10, 58, 50], Operations: ['91-41=50'] Exploring Operation: 58-50=8, Resulting Numbers: [10, 8] Generated Node #3: [10, 8] from Operation: 58-50=8 Current State: 80:[10, 8], Operations: ['91-41=50', '58-50=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[41, 10, 91, 58], Operations: [] Exploring Operation: 58-10=48, Resulting Numbers: [41, 91, 48] Generated Node #0,0: 80:[41, 91, 48] Operation: 58-10=48 Exploring Operation: 91-58=33, Resulting Numbers: [41, 10, 33] Generated Node #0,1: 80:[41, 10, 33] Operation: 91-58=33 Exploring Operation: 91-10=81, Resulting Numbers: [41, 58, 81] Generated Node #0,2: 80:[41, 58, 81] Operation: 91-10=81 Exploring Operation: 58-41=17, Resulting Numbers: [10, 91, 17] Generated Node #0,3: 80:[10, 91, 17] Operation: 58-41=17 Moving to Node #0,1 Current State: 80:[41, 10, 33], Operations: ['91-58=33'] Exploring Operation: 10+33=43, Resulting Numbers: [41, 43] Generated Node #0,1,0: 80:[41, 43] Operation: 10+33=43 Exploring Operation: 41-33=8, Resulting Numbers: [10, 8] Generated Node #0,1,1: 80:[10, 8] Operation: 41-33=8 Exploring Operation: 33-10=23, Resulting Numbers: [41, 23] Generated Node #0,1,2: 80:[41, 23] Operation: 33-10=23 Exploring Operation: 41+33=74, Resulting Numbers: [10, 74] Generated Node #0,1,3: 80:[10, 74] Operation: 41+33=74 Moving to Node #0,3 Current State: 80:[10, 91, 17], Operations: ['58-41=17'] Exploring Operation: 17-10=7, Resulting Numbers: [91, 7] Generated Node #0,3,0: 80:[91, 7] Operation: 17-10=7 Exploring Operation: 91-17=74, Resulting Numbers: [10, 74] Generated Node #0,3,1: 80:[10, 74] Operation: 91-17=74 Exploring Operation: 91-10=81, Resulting Numbers: [17, 81] Generated Node #0,3,2: 80:[17, 81] Operation: 91-10=81 Exploring Operation: 10+17=27, Resulting Numbers: [91, 27] Generated Node #0,3,3: 80:[91, 27] Operation: 10+17=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[17, 81], Operations: ['58-41=17', '91-10=81'] Exploring Operation: 17*81=1377, Resulting Numbers: [1377] 1377,80 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 17+81=98, Resulting Numbers: [98] 98,80 unequal: No Solution No 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: 80:[10, 74], Operations: ['58-41=17', '91-17=74'] Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 10*74=740, Resulting Numbers: [740] 740,80 unequal: No Solution No 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: 80:[91, 7], Operations: ['58-41=17', '17-10=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,80 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,80 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,80 unequal: No Solution No 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: 80:[91, 27], Operations: ['58-41=17', '10+17=27'] Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,80 unequal: No Solution Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,80 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: 80:[41, 58, 81], Operations: ['91-10=81'] Exploring Operation: 58-41=17, Resulting Numbers: [81, 17] Generated Node #0,2,0: 80:[81, 17] Operation: 58-41=17 Exploring Operation: 81-41=40, Resulting Numbers: [58, 40] Generated Node #0,2,1: 80:[58, 40] Operation: 81-41=40 Exploring Operation: 81-58=23, Resulting Numbers: [41, 23] Generated Node #0,2,2: 80:[41, 23] Operation: 81-58=23 Exploring Operation: 41+58=99, Resulting Numbers: [81, 99] Generated Node #0,2,3: 80:[81, 99] Operation: 41+58=99 Moving to Node #0,0 Current State: 80:[41, 91, 48], Operations: ['58-10=48'] Exploring Operation: 91-41=50, Resulting Numbers: [48, 50] Generated Node #0,0,0: 80:[48, 50] Operation: 91-41=50 Exploring Operation: 41+48=89, Resulting Numbers: [91, 89] Generated Node #0,0,1: 80:[91, 89] Operation: 41+48=89 Exploring Operation: 91-48=43, Resulting Numbers: [41, 43] Generated Node #0,0,2: 80:[41, 43] Operation: 91-48=43 Exploring Operation: 48-41=7, Resulting Numbers: [91, 7] Generated Node #0,0,3: 80:[91, 7] Operation: 48-41=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[41, 43], Operations: ['58-10=48', '91-48=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,80 unequal: No Solution No 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: 80:[91, 7], Operations: ['58-10=48', '48-41=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,80 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,80 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,80 unequal: No Solution No 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: 80:[48, 50], Operations: ['58-10=48', '91-41=50'] Exploring Operation: 48*50=2400, Resulting Numbers: [2400] 2400,80 unequal: No Solution Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,80 unequal: No Solution No 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: 80:[91, 89], Operations: ['58-10=48', '41+48=89'] Exploring Operation: 91-89=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 91+89=180, Resulting Numbers: [180] 180,80 unequal: No Solution Exploring Operation: 91*89=8099, Resulting Numbers: [8099] 8099,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 80:[10, 8], Operations: ['91-58=33', '41-33=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[41, 10, 91, 58], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [41, 10, 33] Generated Node #0,1: 80:[41, 10, 33] Operation: 91-58=33 Moving to Node #0,1 Current State: 80:[41, 10, 33], Operations: ['91-58=33'] Exploring Operation: 41-33=8, Resulting Numbers: [10, 8] Generated Node #0,1,1: 80:[10, 8] Operation: 41-33=8 Moving to Node #0,1,1 Current State: 80:[10, 8], Operations: ['91-58=33', '41-33=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.953993
hs_4
mult_heuristic
[ 58, 62, 33, 3 ]
87
[ "62-58=4", "33-4=29", "3*29=87" ]
Current State: 87:[58, 62, 33, 3], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [33, 3, 4] Generated Node #2: [33, 3, 4] from Operation: 62-58=4 Current State: 87:[33, 3, 4], Operations: ['62-58=4'] Exploring Operation: 33-4=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 33-4=29 Current State: 87:[3, 29], Operations: ['62-58=4', '33-4=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[58, 62, 33, 3], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [33, 3, 4] Generated Node #0,0: 87:[33, 3, 4] Operation: 62-58=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[33, 3, 4], Operations: ['62-58=4'] Exploring Operation: 33-4=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 87:[3, 29] Operation: 33-4=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[3, 29], Operations: ['62-58=4', '33-4=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[58, 62, 33, 3], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [33, 3, 4] Generated Node #0,0: 87:[33, 3, 4] Operation: 62-58=4 Moving to Node #0,0 Current State: 87:[33, 3, 4], Operations: ['62-58=4'] Exploring Operation: 33-4=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 87:[3, 29] Operation: 33-4=29 Moving to Node #0,0,0 Current State: 87:[3, 29], Operations: ['62-58=4', '33-4=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 87, 13, 48, 79 ]
82
[ "87-48=39", "39/13=3", "79+3=82" ]
Current State: 82:[87, 13, 48, 79], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [13, 79, 39] Generated Node #2: [13, 79, 39] from Operation: 87-48=39 Current State: 82:[13, 79, 39], Operations: ['87-48=39'] Exploring Operation: 39/13=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 39/13=3 Current State: 82:[79, 3], Operations: ['87-48=39', '39/13=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[87, 13, 48, 79], Operations: [] Exploring Operation: 48-13=35, Resulting Numbers: [87, 79, 35] Generated Node #0,0: 82:[87, 79, 35] Operation: 48-13=35 Exploring Operation: 87-48=39, Resulting Numbers: [13, 79, 39] Generated Node #0,1: 82:[13, 79, 39] Operation: 87-48=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[87, 79, 35], Operations: ['48-13=35'] Exploring Operation: 79-35=44, Resulting Numbers: [87, 44] Generated Node #0,0,0: 82:[87, 44] Operation: 79-35=44 Exploring Operation: 87-79=8, Resulting Numbers: [35, 8] Generated Node #0,0,1: 82:[35, 8] Operation: 87-79=8 Moving to Node #0,0,0 Current State: 82:[87, 44], Operations: ['48-13=35', '79-35=44'] Exploring Operation: 87+44=131, Resulting Numbers: [131] 131,82 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[35, 8], Operations: ['48-13=35', '87-79=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[13, 79, 39], Operations: ['87-48=39'] Exploring Operation: 13+79=92, Resulting Numbers: [39, 92] Generated Node #0,1,0: 82:[39, 92] Operation: 13+79=92 Exploring Operation: 39/13=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 82:[79, 3] Operation: 39/13=3 Moving to Node #0,1,1 Current State: 82:[79, 3], Operations: ['87-48=39', '39/13=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[87, 13, 48, 79], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [13, 79, 39] Generated Node #0,1: 82:[13, 79, 39] Operation: 87-48=39 Moving to Node #0,1 Current State: 82:[13, 79, 39], Operations: ['87-48=39'] Exploring Operation: 39/13=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 82:[79, 3] Operation: 39/13=3 Moving to Node #0,1,1 Current State: 82:[79, 3], Operations: ['87-48=39', '39/13=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 7, 87, 68, 60 ]
89
[ "87+60=147", "147/7=21", "68+21=89" ]
Current State: 89:[7, 87, 68, 60], Operations: [] Exploring Operation: 87+60=147, Resulting Numbers: [7, 68, 147] Generated Node #2: [7, 68, 147] from Operation: 87+60=147 Current State: 89:[7, 68, 147], Operations: ['87+60=147'] Exploring Operation: 147/7=21, Resulting Numbers: [68, 21] Generated Node #3: [68, 21] from Operation: 147/7=21 Current State: 89:[68, 21], Operations: ['87+60=147', '147/7=21'] Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[7, 87, 68, 60], Operations: [] Exploring Operation: 87-7=80, Resulting Numbers: [68, 60, 80] Generated Node #0,0: 89:[68, 60, 80] Operation: 87-7=80 Exploring Operation: 7+68=75, Resulting Numbers: [87, 60, 75] Generated Node #0,1: 89:[87, 60, 75] Operation: 7+68=75 Exploring Operation: 7+87=94, Resulting Numbers: [68, 60, 94] Generated Node #0,2: 89:[68, 60, 94] Operation: 7+87=94 Exploring Operation: 7+60=67, Resulting Numbers: [87, 68, 67] Generated Node #0,3: 89:[87, 68, 67] Operation: 7+60=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[87, 60, 75], Operations: ['7+68=75'] Exploring Operation: 87+60=147, Resulting Numbers: [75, 147] Generated Node #0,1,0: 89:[75, 147] Operation: 87+60=147 Exploring Operation: 60+75=135, Resulting Numbers: [87, 135] Generated Node #0,1,1: 89:[87, 135] Operation: 60+75=135 Exploring Operation: 87-60=27, Resulting Numbers: [75, 27] Generated Node #0,1,2: 89:[75, 27] Operation: 87-60=27 Exploring Operation: 75-60=15, Resulting Numbers: [87, 15] Generated Node #0,1,3: 89:[87, 15] Operation: 75-60=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[87, 135], Operations: ['7+68=75', '60+75=135'] Exploring Operation: 87*135=11745, Resulting Numbers: [11745] 11745,89 unequal: No Solution Exploring Operation: 135-87=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 87+135=222, Resulting Numbers: [222] 222,89 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 #0,1,0 Current State: 89:[75, 147], Operations: ['7+68=75', '87+60=147'] Exploring Operation: 147-75=72, Resulting Numbers: [72] 72,89 unequal: No Solution Exploring Operation: 75+147=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 75*147=11025, Resulting Numbers: [11025] 11025,89 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 #0,1,2 Current State: 89:[75, 27], Operations: ['7+68=75', '87-60=27'] Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,89 unequal: No Solution Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,89 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 #0,1,3 Current State: 89:[87, 15], Operations: ['7+68=75', '75-60=15'] Exploring Operation: 87*15=1305, Resulting Numbers: [1305] 1305,89 unequal: No Solution Exploring Operation: 87+15=102, Resulting Numbers: [102] 102,89 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,89 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 #0,3 Current State: 89:[87, 68, 67], Operations: ['7+60=67'] Exploring Operation: 87+67=154, Resulting Numbers: [68, 154] Generated Node #0,3,0: 89:[68, 154] Operation: 87+67=154 Exploring Operation: 68+67=135, Resulting Numbers: [87, 135] Generated Node #0,3,1: 89:[87, 135] Operation: 68+67=135 Exploring Operation: 87-67=20, Resulting Numbers: [68, 20] Generated Node #0,3,2: 89:[68, 20] Operation: 87-67=20 Exploring Operation: 87+68=155, Resulting Numbers: [67, 155] Generated Node #0,3,3: 89:[67, 155] Operation: 87+68=155 Moving to Node #0,3,1 Current State: 89:[87, 135], Operations: ['7+60=67', '68+67=135'] Exploring Operation: 135-87=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 87+135=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 87*135=11745, Resulting Numbers: [11745] 11745,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[68, 154], Operations: ['7+60=67', '87+67=154'] Exploring Operation: 68+154=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 68*154=10472, Resulting Numbers: [10472] 10472,89 unequal: No Solution Exploring Operation: 154-68=86, Resulting Numbers: [86] 86,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[67, 155], Operations: ['7+60=67', '87+68=155'] Exploring Operation: 67+155=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 155-67=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 67*155=10385, Resulting Numbers: [10385] 10385,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[68, 20], Operations: ['7+60=67', '87-67=20'] Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,89 unequal: No Solution Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,89 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 #0,2 Current State: 89:[68, 60, 94], Operations: ['7+87=94'] Exploring Operation: 94-60=34, Resulting Numbers: [68, 34] Generated Node #0,2,0: 89:[68, 34] Operation: 94-60=34 Exploring Operation: 68-60=8, Resulting Numbers: [94, 8] Generated Node #0,2,1: 89:[94, 8] Operation: 68-60=8 Exploring Operation: 60+94=154, Resulting Numbers: [68, 154] Generated Node #0,2,2: 89:[68, 154] Operation: 60+94=154 Exploring Operation: 68+60=128, Resulting Numbers: [94, 128] Generated Node #0,2,3: 89:[94, 128] Operation: 68+60=128 Moving to Node #0,2,3 Current State: 89:[94, 128], Operations: ['7+87=94', '68+60=128'] Exploring Operation: 94+128=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 94*128=12032, Resulting Numbers: [12032] 12032,89 unequal: No Solution Exploring Operation: 128-94=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[68, 34], Operations: ['7+87=94', '94-60=34'] Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,89 unequal: No Solution Exploring Operation: 68*34=2312, Resulting Numbers: [2312] 2312,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[68, 154], Operations: ['7+87=94', '60+94=154'] Exploring Operation: 68*154=10472, Resulting Numbers: [10472] 10472,89 unequal: No Solution Exploring Operation: 68+154=222, Resulting Numbers: [222] 222,89 unequal: No Solution Exploring Operation: 154-68=86, Resulting Numbers: [86] 86,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[94, 8], Operations: ['7+87=94', '68-60=8'] Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,89 unequal: No Solution Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,89 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 #0,0 Current State: 89:[68, 60, 80], Operations: ['87-7=80'] Exploring Operation: 68-60=8, Resulting Numbers: [80, 8] Generated Node #0,0,0: 89:[80, 8] Operation: 68-60=8 Exploring Operation: 68+80=148, Resulting Numbers: [60, 148] Generated Node #0,0,1: 89:[60, 148] Operation: 68+80=148 Exploring Operation: 60+80=140, Resulting Numbers: [68, 140] Generated Node #0,0,2: 89:[68, 140] Operation: 60+80=140 Exploring Operation: 68+60=128, Resulting Numbers: [80, 128] Generated Node #0,0,3: 89:[80, 128] Operation: 68+60=128 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 89:[80, 128], Operations: ['87-7=80', '68+60=128'] Exploring Operation: 80+128=208, Resulting Numbers: [208] 208,89 unequal: No Solution Exploring Operation: 80*128=10240, Resulting Numbers: [10240] 10240,89 unequal: No Solution Exploring Operation: 128-80=48, Resulting Numbers: [48] 48,89 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:[68, 140], Operations: ['87-7=80', '60+80=140'] Exploring Operation: 68+140=208, Resulting Numbers: [208] 208,89 unequal: No Solution Exploring Operation: 68*140=9520, Resulting Numbers: [9520] 9520,89 unequal: No Solution Exploring Operation: 140-68=72, Resulting Numbers: [72] 72,89 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 #0,0,1 Current State: 89:[60, 148], Operations: ['87-7=80', '68+80=148'] Exploring Operation: 60*148=8880, Resulting Numbers: [8880] 8880,89 unequal: No Solution Exploring Operation: 148-60=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 60+148=208, Resulting Numbers: [208] 208,89 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:[80, 8], Operations: ['87-7=80', '68-60=8'] Exploring Operation: 80*8=640, Resulting Numbers: [640] 640,89 unequal: No Solution Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,89 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,89 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 No solution found.
0
hs_4
sum_heuristic
[ 18, 92, 28, 75 ]
28
[ "92-18=74", "75-74=1", "28*1=28" ]
Current State: 28:[18, 92, 28, 75], Operations: [] Exploring Operation: 92-18=74, Resulting Numbers: [28, 75, 74] Generated Node #2: [28, 75, 74] from Operation: 92-18=74 Current State: 28:[28, 75, 74], Operations: ['92-18=74'] Exploring Operation: 75-74=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 75-74=1 Current State: 28:[28, 1], Operations: ['92-18=74', '75-74=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[18, 92, 28, 75], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [18, 28, 17] Generated Node #0,0: 28:[18, 28, 17] Operation: 92-75=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[18, 28, 17], Operations: ['92-75=17'] Exploring Operation: 18-17=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 18-17=1 Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['92-75=17', '18-17=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[18, 92, 28, 75], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [18, 28, 17] Generated Node #0,0: 28:[18, 28, 17] Operation: 92-75=17 Moving to Node #0,0 Current State: 28:[18, 28, 17], Operations: ['92-75=17'] Exploring Operation: 18-17=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 18-17=1 Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['92-75=17', '18-17=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 63, 38, 17, 52 ]
94
[ "63-38=25", "17+52=69", "25+69=94" ]
Current State: 94:[63, 38, 17, 52], Operations: [] Exploring Operation: 63-38=25, Resulting Numbers: [17, 52, 25] Generated Node #2: [17, 52, 25] from Operation: 63-38=25 Current State: 94:[17, 52, 25], Operations: ['63-38=25'] Exploring Operation: 17+52=69, Resulting Numbers: [25, 69] Generated Node #3: [25, 69] from Operation: 17+52=69 Current State: 94:[25, 69], Operations: ['63-38=25', '17+52=69'] Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[63, 38, 17, 52], Operations: [] Exploring Operation: 63-17=46, Resulting Numbers: [38, 52, 46] Generated Node #0,0: 94:[38, 52, 46] Operation: 63-17=46 Exploring Operation: 63+38=101, Resulting Numbers: [17, 52, 101] Generated Node #0,1: 94:[17, 52, 101] Operation: 63+38=101 Exploring Operation: 63+17=80, Resulting Numbers: [38, 52, 80] Generated Node #0,2: 94:[38, 52, 80] Operation: 63+17=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[38, 52, 46], Operations: ['63-17=46'] Exploring Operation: 46-38=8, Resulting Numbers: [52, 8] Generated Node #0,0,0: 94:[52, 8] Operation: 46-38=8 Exploring Operation: 38+52=90, Resulting Numbers: [46, 90] Generated Node #0,0,1: 94:[46, 90] Operation: 38+52=90 Exploring Operation: 52-38=14, Resulting Numbers: [46, 14] Generated Node #0,0,2: 94:[46, 14] Operation: 52-38=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[46, 90], Operations: ['63-17=46', '38+52=90'] Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,94 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,94 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: 94:[52, 8], Operations: ['63-17=46', '46-38=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,94 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: 94:[46, 14], Operations: ['63-17=46', '52-38=14'] Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,94 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,94 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: 94:[17, 52, 101], Operations: ['63+38=101'] Exploring Operation: 101-17=84, Resulting Numbers: [52, 84] Generated Node #0,1,0: 94:[52, 84] Operation: 101-17=84 Exploring Operation: 52-17=35, Resulting Numbers: [101, 35] Generated Node #0,1,1: 94:[101, 35] Operation: 52-17=35 Exploring Operation: 101-52=49, Resulting Numbers: [17, 49] Generated Node #0,1,2: 94:[17, 49] Operation: 101-52=49 Moving to Node #0,1,0 Current State: 94:[52, 84], Operations: ['63+38=101', '101-17=84'] Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,94 unequal: No Solution Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,94 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[17, 49], Operations: ['63+38=101', '101-52=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,94 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,94 unequal: No Solution Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[101, 35], Operations: ['63+38=101', '52-17=35'] Exploring Operation: 101*35=3535, Resulting Numbers: [3535] 3535,94 unequal: No Solution Exploring Operation: 101-35=66, Resulting Numbers: [66] 66,94 unequal: No Solution Exploring Operation: 101+35=136, Resulting Numbers: [136] 136,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[38, 52, 80], Operations: ['63+17=80'] Exploring Operation: 38+52=90, Resulting Numbers: [80, 90] Generated Node #0,2,0: 94:[80, 90] Operation: 38+52=90 Exploring Operation: 52-38=14, Resulting Numbers: [80, 14] Generated Node #0,2,1: 94:[80, 14] Operation: 52-38=14 Exploring Operation: 80-38=42, Resulting Numbers: [52, 42] Generated Node #0,2,2: 94:[52, 42] Operation: 80-38=42 Moving to Node #0,2,2 Current State: 94:[52, 42], Operations: ['63+17=80', '80-38=42'] Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 52*42=2184, Resulting Numbers: [2184] 2184,94 unequal: No Solution Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[63, 38, 17, 52], Operations: [] Exploring Operation: 63+17=80, Resulting Numbers: [38, 52, 80] Generated Node #0,2: 94:[38, 52, 80] Operation: 63+17=80 Moving to Node #0,2 Current State: 94:[38, 52, 80], Operations: ['63+17=80'] Exploring Operation: 80-38=42, Resulting Numbers: [52, 42] Generated Node #0,2,2: 94:[52, 42] Operation: 80-38=42 Moving to Node #0,2,2 Current State: 94:[52, 42], Operations: ['63+17=80', '80-38=42'] Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 54, 45, 58, 16 ]
65
[ "54-45=9", "58+16=74", "74-9=65" ]
Current State: 65:[54, 45, 58, 16], Operations: [] Exploring Operation: 54-45=9, Resulting Numbers: [58, 16, 9] Generated Node #2: [58, 16, 9] from Operation: 54-45=9 Current State: 65:[58, 16, 9], Operations: ['54-45=9'] Exploring Operation: 58+16=74, Resulting Numbers: [9, 74] Generated Node #3: [9, 74] from Operation: 58+16=74 Current State: 65:[9, 74], Operations: ['54-45=9', '58+16=74'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[54, 45, 58, 16], Operations: [] Exploring Operation: 45+16=61, Resulting Numbers: [54, 58, 61] Generated Node #0,0: 65:[54, 58, 61] Operation: 45+16=61 Exploring Operation: 54-45=9, Resulting Numbers: [58, 16, 9] Generated Node #0,1: 65:[58, 16, 9] Operation: 54-45=9 Exploring Operation: 58-45=13, Resulting Numbers: [54, 16, 13] Generated Node #0,2: 65:[54, 16, 13] Operation: 58-45=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[58, 16, 9], Operations: ['54-45=9'] Exploring Operation: 16-9=7, Resulting Numbers: [58, 7] Generated Node #0,1,0: 65:[58, 7] Operation: 16-9=7 Exploring Operation: 58+16=74, Resulting Numbers: [9, 74] Generated Node #0,1,1: 65:[9, 74] Operation: 58+16=74 Exploring Operation: 58+9=67, Resulting Numbers: [16, 67] Generated Node #0,1,2: 65:[16, 67] Operation: 58+9=67 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 65:[16, 67], Operations: ['54-45=9', '58+9=67'] Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 16*67=1072, Resulting Numbers: [1072] 1072,65 unequal: No Solution Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,65 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: 65:[58, 7], Operations: ['54-45=9', '16-9=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[54, 45, 58, 16], Operations: [] Exploring Operation: 54-45=9, Resulting Numbers: [58, 16, 9] Generated Node #0,1: 65:[58, 16, 9] Operation: 54-45=9 Moving to Node #0,1 Current State: 65:[58, 16, 9], Operations: ['54-45=9'] Exploring Operation: 16-9=7, Resulting Numbers: [58, 7] Generated Node #0,1,0: 65:[58, 7] Operation: 16-9=7 Moving to Node #0,1,0 Current State: 65:[58, 7], Operations: ['54-45=9', '16-9=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 23, 86, 2, 78 ]
71
[ "23+78=101", "86*2=172", "172-101=71" ]
Current State: 71:[23, 86, 2, 78], Operations: [] Exploring Operation: 23+78=101, Resulting Numbers: [86, 2, 101] Generated Node #2: [86, 2, 101] from Operation: 23+78=101 Current State: 71:[86, 2, 101], Operations: ['23+78=101'] Exploring Operation: 86*2=172, Resulting Numbers: [101, 172] Generated Node #3: [101, 172] from Operation: 86*2=172 Current State: 71:[101, 172], Operations: ['23+78=101', '86*2=172'] Exploring Operation: 172-101=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[23, 86, 2, 78], Operations: [] Exploring Operation: 23*2=46, Resulting Numbers: [86, 78, 46] Generated Node #0,0: 71:[86, 78, 46] Operation: 23*2=46 Exploring Operation: 23+2=25, Resulting Numbers: [86, 78, 25] Generated Node #0,1: 71:[86, 78, 25] Operation: 23+2=25 Moving to Node #0,0 Current State: 71:[86, 78, 46], Operations: ['23*2=46'] Exploring Operation: 86-46=40, Resulting Numbers: [78, 40] Generated Node #0,0,0: 71:[78, 40] Operation: 86-46=40 Exploring Operation: 78-46=32, Resulting Numbers: [86, 32] Generated Node #0,0,1: 71:[86, 32] Operation: 78-46=32 Moving to Node #0,1 Current State: 71:[86, 78, 25], Operations: ['23+2=25'] Exploring Operation: 78-25=53, Resulting Numbers: [86, 53] Generated Node #0,1,0: 71:[86, 53] Operation: 78-25=53 Exploring Operation: 86-25=61, Resulting Numbers: [78, 61] Generated Node #0,1,1: 71:[78, 61] Operation: 86-25=61 Moving to Node #0,1,1 Current State: 71:[78, 61], Operations: ['23+2=25', '86-25=61'] Exploring Operation: 78+61=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[86, 53], Operations: ['23+2=25', '78-25=53'] Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[78, 40], Operations: ['23*2=46', '86-46=40'] Exploring Operation: 78+40=118, Resulting Numbers: [118] 118,71 unequal: No Solution Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[86, 32], Operations: ['23*2=46', '78-46=32'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,71 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 95, 1, 13, 47 ]
35
[ "95*1=95", "13+47=60", "95-60=35" ]
Current State: 35:[95, 1, 13, 47], Operations: [] Exploring Operation: 95*1=95, Resulting Numbers: [13, 47, 95] Generated Node #2: [13, 47, 95] from Operation: 95*1=95 Current State: 35:[13, 47, 95], Operations: ['95*1=95'] Exploring Operation: 13+47=60, Resulting Numbers: [95, 60] Generated Node #3: [95, 60] from Operation: 13+47=60 Current State: 35:[95, 60], Operations: ['95*1=95', '13+47=60'] Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[95, 1, 13, 47], Operations: [] Exploring Operation: 47-13=34, Resulting Numbers: [95, 1, 34] Generated Node #0,0: 35:[95, 1, 34] Operation: 47-13=34 Exploring Operation: 95-1=94, Resulting Numbers: [13, 47, 94] Generated Node #0,1: 35:[13, 47, 94] Operation: 95-1=94 Exploring Operation: 95-13=82, Resulting Numbers: [1, 47, 82] Generated Node #0,2: 35:[1, 47, 82] Operation: 95-13=82 Exploring Operation: 95-47=48, Resulting Numbers: [1, 13, 48] Generated Node #0,3: 35:[1, 13, 48] Operation: 95-47=48 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[1, 13, 48], Operations: ['95-47=48'] Exploring Operation: 13-1=12, Resulting Numbers: [48, 12] Generated Node #0,3,0: 35:[48, 12] Operation: 13-1=12 Exploring Operation: 1*13=13, Resulting Numbers: [48, 13] Generated Node #0,3,1: 35:[48, 13] Operation: 1*13=13 Exploring Operation: 48-1=47, Resulting Numbers: [13, 47] Generated Node #0,3,2: 35:[13, 47] Operation: 48-1=47 Exploring Operation: 48-13=35, Resulting Numbers: [1, 35] Generated Node #0,3,3: 35:[1, 35] Operation: 48-13=35 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 35:[1, 35], Operations: ['95-47=48', '48-13=35'] Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[95, 1, 13, 47], Operations: [] Exploring Operation: 95-47=48, Resulting Numbers: [1, 13, 48] Generated Node #0,3: 35:[1, 13, 48] Operation: 95-47=48 Moving to Node #0,3 Current State: 35:[1, 13, 48], Operations: ['95-47=48'] Exploring Operation: 48-13=35, Resulting Numbers: [1, 35] Generated Node #0,3,3: 35:[1, 35] Operation: 48-13=35 Moving to Node #0,3,3 Current State: 35:[1, 35], Operations: ['95-47=48', '48-13=35'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 14, 55, 69, 35 ]
75
[ "55-14=41", "69-35=34", "41+34=75" ]
Current State: 75:[14, 55, 69, 35], Operations: [] Exploring Operation: 55-14=41, Resulting Numbers: [69, 35, 41] Generated Node #2: [69, 35, 41] from Operation: 55-14=41 Current State: 75:[69, 35, 41], Operations: ['55-14=41'] Exploring Operation: 69-35=34, Resulting Numbers: [41, 34] Generated Node #3: [41, 34] from Operation: 69-35=34 Current State: 75:[41, 34], Operations: ['55-14=41', '69-35=34'] Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[14, 55, 69, 35], Operations: [] Exploring Operation: 55-35=20, Resulting Numbers: [14, 69, 20] Generated Node #0,0: 75:[14, 69, 20] Operation: 55-35=20 Exploring Operation: 14+55=69, Resulting Numbers: [69, 35, 69] Generated Node #0,1: 75:[69, 35, 69] Operation: 14+55=69 Exploring Operation: 69-55=14, Resulting Numbers: [14, 35, 14] Generated Node #0,2: 75:[14, 35, 14] Operation: 69-55=14 Moving to Node #0,0 Current State: 75:[14, 69, 20], Operations: ['55-35=20'] Exploring Operation: 20-14=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 75:[69, 6] Operation: 20-14=6 Exploring Operation: 14+69=83, Resulting Numbers: [20, 83] Generated Node #0,0,1: 75:[20, 83] Operation: 14+69=83 Exploring Operation: 14+20=34, Resulting Numbers: [69, 34] Generated Node #0,0,2: 75:[69, 34] Operation: 14+20=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[69, 6], Operations: ['55-35=20', '20-14=6'] Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,75 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[14, 55, 69, 35], Operations: [] Exploring Operation: 55-35=20, Resulting Numbers: [14, 69, 20] Generated Node #0,0: 75:[14, 69, 20] Operation: 55-35=20 Moving to Node #0,0 Current State: 75:[14, 69, 20], Operations: ['55-35=20'] Exploring Operation: 20-14=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 75:[69, 6] Operation: 20-14=6 Moving to Node #0,0,0 Current State: 75:[69, 6], Operations: ['55-35=20', '20-14=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 25, 57, 28, 72 ]
45
[ "28-25=3", "72-57=15", "3*15=45" ]
Current State: 45:[25, 57, 28, 72], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [57, 72, 3] Generated Node #2: [57, 72, 3] from Operation: 28-25=3 Current State: 45:[57, 72, 3], Operations: ['28-25=3'] Exploring Operation: 72-57=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 72-57=15 Current State: 45:[3, 15], Operations: ['28-25=3', '72-57=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[25, 57, 28, 72], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [25, 28, 15] Generated Node #0,0: 45:[25, 28, 15] Operation: 72-57=15 Exploring Operation: 72-28=44, Resulting Numbers: [25, 57, 44] Generated Node #0,1: 45:[25, 57, 44] Operation: 72-28=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[25, 28, 15], Operations: ['72-57=15'] Exploring Operation: 25+28=53, Resulting Numbers: [15, 53] Generated Node #0,0,0: 45:[15, 53] Operation: 25+28=53 Exploring Operation: 28-25=3, Resulting Numbers: [15, 3] Generated Node #0,0,1: 45:[15, 3] Operation: 28-25=3 Moving to Node #0,0,1 Current State: 45:[15, 3], Operations: ['72-57=15', '28-25=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[25, 57, 28, 72], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [25, 28, 15] Generated Node #0,0: 45:[25, 28, 15] Operation: 72-57=15 Moving to Node #0,0 Current State: 45:[25, 28, 15], Operations: ['72-57=15'] Exploring Operation: 28-25=3, Resulting Numbers: [15, 3] Generated Node #0,0,1: 45:[15, 3] Operation: 28-25=3 Moving to Node #0,0,1 Current State: 45:[15, 3], Operations: ['72-57=15', '28-25=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 13, 87, 21, 71 ]
18
[ "87-13=74", "21+71=92", "92-74=18" ]
Current State: 18:[13, 87, 21, 71], Operations: [] Exploring Operation: 87-13=74, Resulting Numbers: [21, 71, 74] Generated Node #2: [21, 71, 74] from Operation: 87-13=74 Current State: 18:[21, 71, 74], Operations: ['87-13=74'] Exploring Operation: 21+71=92, Resulting Numbers: [74, 92] Generated Node #3: [74, 92] from Operation: 21+71=92 Current State: 18:[74, 92], Operations: ['87-13=74', '21+71=92'] Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[13, 87, 21, 71], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [13, 21, 16] Generated Node #0,0: 18:[13, 21, 16] Operation: 87-71=16 Exploring Operation: 87-13=74, Resulting Numbers: [21, 71, 74] Generated Node #0,1: 18:[21, 71, 74] Operation: 87-13=74 Exploring Operation: 87-21=66, Resulting Numbers: [13, 71, 66] Generated Node #0,2: 18:[13, 71, 66] Operation: 87-21=66 Exploring Operation: 71-21=50, Resulting Numbers: [13, 87, 50] Generated Node #0,3: 18:[13, 87, 50] Operation: 71-21=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[13, 21, 16], Operations: ['87-71=16'] Exploring Operation: 16-13=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 18:[21, 3] Operation: 16-13=3 Exploring Operation: 13+16=29, Resulting Numbers: [21, 29] Generated Node #0,0,1: 18:[21, 29] Operation: 13+16=29 Exploring Operation: 21-13=8, Resulting Numbers: [16, 8] Generated Node #0,0,2: 18:[16, 8] Operation: 21-13=8 Exploring Operation: 21-16=5, Resulting Numbers: [13, 5] Generated Node #0,0,3: 18:[13, 5] Operation: 21-16=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[21, 3], Operations: ['87-71=16', '16-13=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[13, 87, 21, 71], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [13, 21, 16] Generated Node #0,0: 18:[13, 21, 16] Operation: 87-71=16 Moving to Node #0,0 Current State: 18:[13, 21, 16], Operations: ['87-71=16'] Exploring Operation: 16-13=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 18:[21, 3] Operation: 16-13=3 Moving to Node #0,0,0 Current State: 18:[21, 3], Operations: ['87-71=16', '16-13=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 45, 36, 37, 25 ]
70
[ "45+25=70", "37-36=1", "70*1=70" ]
Current State: 70:[45, 36, 37, 25], Operations: [] Exploring Operation: 45+25=70, Resulting Numbers: [36, 37, 70] Generated Node #2: [36, 37, 70] from Operation: 45+25=70 Current State: 70:[36, 37, 70], Operations: ['45+25=70'] Exploring Operation: 37-36=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 37-36=1 Current State: 70:[70, 1], Operations: ['45+25=70', '37-36=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[45, 36, 37, 25], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [37, 25, 9] Generated Node #0,0: 70:[37, 25, 9] Operation: 45-36=9 Exploring Operation: 45-25=20, Resulting Numbers: [36, 37, 20] Generated Node #0,1: 70:[36, 37, 20] Operation: 45-25=20 Exploring Operation: 45-37=8, Resulting Numbers: [36, 25, 8] Generated Node #0,2: 70:[36, 25, 8] Operation: 45-37=8 Exploring Operation: 36-25=11, Resulting Numbers: [45, 37, 11] Generated Node #0,3: 70:[45, 37, 11] Operation: 36-25=11 Exploring Operation: 45+25=70, Resulting Numbers: [36, 37, 70] Generated Node #0,4: 70:[36, 37, 70] Operation: 45+25=70 Moving to Node #0,4 Current State: 70:[36, 37, 70], Operations: ['45+25=70'] Exploring Operation: 36+70=106, Resulting Numbers: [37, 106] Generated Node #0,4,0: 70:[37, 106] Operation: 36+70=106 Exploring Operation: 36+37=73, Resulting Numbers: [70, 73] Generated Node #0,4,1: 70:[70, 73] Operation: 36+37=73 Exploring Operation: 70-37=33, Resulting Numbers: [36, 33] Generated Node #0,4,2: 70:[36, 33] Operation: 70-37=33 Exploring Operation: 70-36=34, Resulting Numbers: [37, 34] Generated Node #0,4,3: 70:[37, 34] Operation: 70-36=34 Exploring Operation: 37-36=1, Resulting Numbers: [70, 1] Generated Node #0,4,4: 70:[70, 1] Operation: 37-36=1 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 70:[70, 1], Operations: ['45+25=70', '37-36=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[45, 36, 37, 25], Operations: [] Exploring Operation: 45+25=70, Resulting Numbers: [36, 37, 70] Generated Node #0,4: 70:[36, 37, 70] Operation: 45+25=70 Moving to Node #0,4 Current State: 70:[36, 37, 70], Operations: ['45+25=70'] Exploring Operation: 37-36=1, Resulting Numbers: [70, 1] Generated Node #0,4,4: 70:[70, 1] Operation: 37-36=1 Moving to Node #0,4,4 Current State: 70:[70, 1], Operations: ['45+25=70', '37-36=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 72, 11, 39, 43 ]
52
[ "72*39=2808", "11+43=54", "2808/54=52" ]
Current State: 52:[72, 11, 39, 43], Operations: [] Exploring Operation: 72*39=2808, Resulting Numbers: [11, 43, 2808] Generated Node #2: [11, 43, 2808] from Operation: 72*39=2808 Current State: 52:[11, 43, 2808], Operations: ['72*39=2808'] Exploring Operation: 11+43=54, Resulting Numbers: [2808, 54] Generated Node #3: [2808, 54] from Operation: 11+43=54 Current State: 52:[2808, 54], Operations: ['72*39=2808', '11+43=54'] Exploring Operation: 2808/54=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[72, 11, 39, 43], Operations: [] Exploring Operation: 72-39=33, Resulting Numbers: [11, 43, 33] Generated Node #0,0: 52:[11, 43, 33] Operation: 72-39=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[11, 43, 33], Operations: ['72-39=33'] Exploring Operation: 43-33=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 52:[11, 10] Operation: 43-33=10 Moving to Node #0,0,0 Current State: 52:[11, 10], Operations: ['72-39=33', '43-33=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,52 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
[ 18, 53, 14, 26 ]
65
[ "53-18=35", "26*35=910", "910/14=65" ]
Current State: 65:[18, 53, 14, 26], Operations: [] Exploring Operation: 53-18=35, Resulting Numbers: [14, 26, 35] Generated Node #2: [14, 26, 35] from Operation: 53-18=35 Current State: 65:[14, 26, 35], Operations: ['53-18=35'] Exploring Operation: 26*35=910, Resulting Numbers: [14, 910] Generated Node #3: [14, 910] from Operation: 26*35=910 Current State: 65:[14, 910], Operations: ['53-18=35', '26*35=910'] Exploring Operation: 910/14=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[18, 53, 14, 26], Operations: [] Exploring Operation: 53+14=67, Resulting Numbers: [18, 26, 67] Generated Node #0,0: 65:[18, 26, 67] Operation: 53+14=67 Exploring Operation: 26-14=12, Resulting Numbers: [18, 53, 12] Generated Node #0,1: 65:[18, 53, 12] Operation: 26-14=12 Exploring Operation: 26-18=8, Resulting Numbers: [53, 14, 8] Generated Node #0,2: 65:[53, 14, 8] Operation: 26-18=8 Exploring Operation: 18+53=71, Resulting Numbers: [14, 26, 71] Generated Node #0,3: 65:[14, 26, 71] Operation: 18+53=71 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[53, 14, 8], Operations: ['26-18=8'] Exploring Operation: 53+8=61, Resulting Numbers: [14, 61] Generated Node #0,2,0: 65:[14, 61] Operation: 53+8=61 Exploring Operation: 14-8=6, Resulting Numbers: [53, 6] Generated Node #0,2,1: 65:[53, 6] Operation: 14-8=6 Exploring Operation: 53+14=67, Resulting Numbers: [8, 67] Generated Node #0,2,2: 65:[8, 67] Operation: 53+14=67 Exploring Operation: 53-8=45, Resulting Numbers: [14, 45] Generated Node #0,2,3: 65:[14, 45] Operation: 53-8=45 Moving to Node #0,2,0 Current State: 65:[14, 61], Operations: ['26-18=8', '53+8=61'] Exploring Operation: 14+61=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 14*61=854, Resulting Numbers: [854] 854,65 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[8, 67], Operations: ['26-18=8', '53+14=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,65 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[53, 6], Operations: ['26-18=8', '14-8=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,65 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[14, 45], Operations: ['26-18=8', '53-8=45'] Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[18, 53, 12], Operations: ['26-14=12'] Exploring Operation: 18+53=71, Resulting Numbers: [12, 71] Generated Node #0,1,0: 65:[12, 71] Operation: 18+53=71 Exploring Operation: 53-18=35, Resulting Numbers: [12, 35] Generated Node #0,1,1: 65:[12, 35] Operation: 53-18=35 Exploring Operation: 18-12=6, Resulting Numbers: [53, 6] Generated Node #0,1,2: 65:[53, 6] Operation: 18-12=6 Exploring Operation: 53+12=65, Resulting Numbers: [18, 65] Generated Node #0,1,3: 65:[18, 65] Operation: 53+12=65 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 65:[18, 65], Operations: ['26-14=12', '53+12=65'] Exploring Operation: 18*65=1170, Resulting Numbers: [1170] 1170,65 unequal: No Solution Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 18+65=83, Resulting Numbers: [83] 83,65 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: 65:[12, 71], Operations: ['26-14=12', '18+53=71'] Exploring Operation: 12*71=852, Resulting Numbers: [852] 852,65 unequal: No Solution Exploring Operation: 12+71=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,65 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: 65:[53, 6], Operations: ['26-14=12', '18-12=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,65 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: 65:[12, 35], Operations: ['26-14=12', '53-18=35'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,65 unequal: No Solution Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,65 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,65 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: 65:[18, 26, 67], Operations: ['53+14=67'] Exploring Operation: 67-18=49, Resulting Numbers: [26, 49] Generated Node #0,0,0: 65:[26, 49] Operation: 67-18=49 Exploring Operation: 67-26=41, Resulting Numbers: [18, 41] Generated Node #0,0,1: 65:[18, 41] Operation: 67-26=41 Exploring Operation: 26-18=8, Resulting Numbers: [67, 8] Generated Node #0,0,2: 65:[67, 8] Operation: 26-18=8 Exploring Operation: 18+26=44, Resulting Numbers: [67, 44] Generated Node #0,0,3: 65:[67, 44] Operation: 18+26=44 Moving to Node #0,0,2 Current State: 65:[67, 8], Operations: ['53+14=67', '26-18=8'] Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,65 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[67, 44], Operations: ['53+14=67', '18+26=44'] Exploring Operation: 67*44=2948, Resulting Numbers: [2948] 2948,65 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,65 unequal: No Solution Exploring Operation: 67+44=111, Resulting Numbers: [111] 111,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[18, 41], Operations: ['53+14=67', '67-26=41'] Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,65 unequal: No Solution Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[26, 49], Operations: ['53+14=67', '67-18=49'] Exploring Operation: 26*49=1274, Resulting Numbers: [1274] 1274,65 unequal: No Solution Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[14, 26, 71], Operations: ['18+53=71'] Exploring Operation: 71-26=45, Resulting Numbers: [14, 45] Generated Node #0,3,0: 65:[14, 45] Operation: 71-26=45 Exploring Operation: 71-14=57, Resulting Numbers: [26, 57] Generated Node #0,3,1: 65:[26, 57] Operation: 71-14=57 Exploring Operation: 14+26=40, Resulting Numbers: [71, 40] Generated Node #0,3,2: 65:[71, 40] Operation: 14+26=40 Exploring Operation: 26-14=12, Resulting Numbers: [71, 12] Generated Node #0,3,3: 65:[71, 12] Operation: 26-14=12 Moving to Node #0,3,3 Current State: 65:[71, 12], Operations: ['18+53=71', '26-14=12'] Exploring Operation: 71*12=852, Resulting Numbers: [852] 852,65 unequal: No Solution Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[26, 57], Operations: ['18+53=71', '71-14=57'] Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,65 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[14, 45], Operations: ['18+53=71', '71-26=45'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[71, 40], Operations: ['18+53=71', '14+26=40'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,65 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 5, 41, 11, 62 ]
27
[ "5+41=46", "11+62=73", "73-46=27" ]
Current State: 27:[5, 41, 11, 62], Operations: [] Exploring Operation: 5+41=46, Resulting Numbers: [11, 62, 46] Generated Node #2: [11, 62, 46] from Operation: 5+41=46 Current State: 27:[11, 62, 46], Operations: ['5+41=46'] Exploring Operation: 11+62=73, Resulting Numbers: [46, 73] Generated Node #3: [46, 73] from Operation: 11+62=73 Current State: 27:[46, 73], Operations: ['5+41=46', '11+62=73'] Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[5, 41, 11, 62], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [5, 11, 21] Generated Node #0,0: 27:[5, 11, 21] Operation: 62-41=21 Moving to Node #0,0 Current State: 27:[5, 11, 21], Operations: ['62-41=21'] Exploring Operation: 5+21=26, Resulting Numbers: [11, 26] Generated Node #0,0,0: 27:[11, 26] Operation: 5+21=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[11, 26], Operations: ['62-41=21', '5+21=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 76, 2, 55, 41 ]
22
[ "76-2=74", "55+41=96", "96-74=22" ]
Current State: 22:[76, 2, 55, 41], Operations: [] Exploring Operation: 76-2=74, Resulting Numbers: [55, 41, 74] Generated Node #2: [55, 41, 74] from Operation: 76-2=74 Current State: 22:[55, 41, 74], Operations: ['76-2=74'] Exploring Operation: 55+41=96, Resulting Numbers: [74, 96] Generated Node #3: [74, 96] from Operation: 55+41=96 Current State: 22:[74, 96], Operations: ['76-2=74', '55+41=96'] Exploring Operation: 96-74=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[76, 2, 55, 41], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [76, 2, 14] Generated Node #0,0: 22:[76, 2, 14] Operation: 55-41=14 Exploring Operation: 76-55=21, Resulting Numbers: [2, 41, 21] Generated Node #0,1: 22:[2, 41, 21] Operation: 76-55=21 Exploring Operation: 76-41=35, Resulting Numbers: [2, 55, 35] Generated Node #0,2: 22:[2, 55, 35] Operation: 76-41=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[2, 41, 21], Operations: ['76-55=21'] Exploring Operation: 41-21=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 22:[2, 20] Operation: 41-21=20 Exploring Operation: 41-2=39, Resulting Numbers: [21, 39] Generated Node #0,1,1: 22:[21, 39] Operation: 41-2=39 Exploring Operation: 2+21=23, Resulting Numbers: [41, 23] Generated Node #0,1,2: 22:[41, 23] Operation: 2+21=23 Moving to Node #0,1,0 Current State: 22:[2, 20], Operations: ['76-55=21', '41-21=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[76, 2, 55, 41], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [2, 41, 21] Generated Node #0,1: 22:[2, 41, 21] Operation: 76-55=21 Moving to Node #0,1 Current State: 22:[2, 41, 21], Operations: ['76-55=21'] Exploring Operation: 41-21=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 22:[2, 20] Operation: 41-21=20 Moving to Node #0,1,0 Current State: 22:[2, 20], Operations: ['76-55=21', '41-21=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 4, 70, 82, 8 ]
11
[ "82-70=12", "12/4=3", "8+3=11" ]
Current State: 11:[4, 70, 82, 8], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [4, 8, 12] Generated Node #2: [4, 8, 12] from Operation: 82-70=12 Current State: 11:[4, 8, 12], Operations: ['82-70=12'] Exploring Operation: 12/4=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 12/4=3 Current State: 11:[8, 3], Operations: ['82-70=12', '12/4=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[4, 70, 82, 8], Operations: [] Exploring Operation: 70-4=66, Resulting Numbers: [82, 8, 66] Generated Node #0,0: 11:[82, 8, 66] Operation: 70-4=66 Exploring Operation: 82-70=12, Resulting Numbers: [4, 8, 12] Generated Node #0,1: 11:[4, 8, 12] Operation: 82-70=12 Exploring Operation: 82-4=78, Resulting Numbers: [70, 8, 78] Generated Node #0,2: 11:[70, 8, 78] Operation: 82-4=78 Moving to Node #0,1 Current State: 11:[4, 8, 12], Operations: ['82-70=12'] Exploring Operation: 4+8=12, Resulting Numbers: [12, 12] Generated Node #0,1,0: 11:[12, 12] Operation: 4+8=12 Exploring Operation: 12-4=8, Resulting Numbers: [8, 8] Generated Node #0,1,1: 11:[8, 8] Operation: 12-4=8 Exploring Operation: 8-4=4, Resulting Numbers: [12, 4] Generated Node #0,1,2: 11:[12, 4] Operation: 8-4=4 Moving to Node #0,0 Current State: 11:[82, 8, 66], Operations: ['70-4=66'] Exploring Operation: 66-8=58, Resulting Numbers: [82, 58] Generated Node #0,0,0: 11:[82, 58] Operation: 66-8=58 Exploring Operation: 82-66=16, Resulting Numbers: [8, 16] Generated Node #0,0,1: 11:[8, 16] Operation: 82-66=16 Exploring Operation: 82-8=74, Resulting Numbers: [66, 74] Generated Node #0,0,2: 11:[66, 74] Operation: 82-8=74 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[8, 16], Operations: ['70-4=66', '82-66=16'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,11 unequal: No Solution No 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: 11:[82, 58], Operations: ['70-4=66', '66-8=58'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,11 unequal: No Solution Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,11 unequal: No Solution No 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: 11:[66, 74], Operations: ['70-4=66', '82-8=74'] Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,11 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,11 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: 11:[70, 8, 78], Operations: ['82-4=78'] Exploring Operation: 78-70=8, Resulting Numbers: [8, 8] Generated Node #0,2,0: 11:[8, 8] Operation: 78-70=8 Exploring Operation: 70-8=62, Resulting Numbers: [78, 62] Generated Node #0,2,1: 11:[78, 62] Operation: 70-8=62 Exploring Operation: 78-8=70, Resulting Numbers: [70, 70] Generated Node #0,2,2: 11:[70, 70] Operation: 78-8=70 Moving to Node #0,1,0 Current State: 11:[12, 12], Operations: ['82-70=12', '4+8=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[8, 8], Operations: ['82-70=12', '12-4=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[8, 8], Operations: ['82-4=78', '78-70=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[12, 4], Operations: ['82-70=12', '8-4=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[70, 70], Operations: ['82-4=78', '78-8=70'] Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,11 unequal: No Solution Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[78, 62], Operations: ['82-4=78', '70-8=62'] Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,11 unequal: No Solution Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,11 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 73, 97, 6, 3 ]
78
[ "97-73=24", "3*24=72", "6+72=78" ]
Current State: 78:[73, 97, 6, 3], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [6, 3, 24] Generated Node #2: [6, 3, 24] from Operation: 97-73=24 Current State: 78:[6, 3, 24], Operations: ['97-73=24'] Exploring Operation: 3*24=72, Resulting Numbers: [6, 72] Generated Node #3: [6, 72] from Operation: 3*24=72 Current State: 78:[6, 72], Operations: ['97-73=24', '3*24=72'] Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[73, 97, 6, 3], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [6, 3, 24] Generated Node #0,0: 78:[6, 3, 24] Operation: 97-73=24 Exploring Operation: 97-6=91, Resulting Numbers: [73, 3, 91] Generated Node #0,1: 78:[73, 3, 91] Operation: 97-6=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[6, 3, 24], Operations: ['97-73=24'] Exploring Operation: 3+24=27, Resulting Numbers: [6, 27] Generated Node #0,0,0: 78:[6, 27] Operation: 3+24=27 Exploring Operation: 24/6=4, Resulting Numbers: [3, 4] Generated Node #0,0,1: 78:[3, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[6, 27], Operations: ['97-73=24', '3+24=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,78 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: 78:[3, 4], Operations: ['97-73=24', '24/6=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,78 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: 78:[73, 3, 91], Operations: ['97-6=91'] Exploring Operation: 73+3=76, Resulting Numbers: [91, 76] Generated Node #0,1,0: 78:[91, 76] Operation: 73+3=76 Exploring Operation: 91-73=18, Resulting Numbers: [3, 18] Generated Node #0,1,1: 78:[3, 18] Operation: 91-73=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[3, 18], Operations: ['97-6=91', '91-73=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,78 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: 78:[91, 76], Operations: ['97-6=91', '73+3=76'] Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,78 unequal: No Solution Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,78 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
[ 96, 97, 21, 53 ]
32
[ "97-96=1", "53-21=32", "1*32=32" ]
Current State: 32:[96, 97, 21, 53], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [21, 53, 1] Generated Node #2: [21, 53, 1] from Operation: 97-96=1 Current State: 32:[21, 53, 1], Operations: ['97-96=1'] Exploring Operation: 53-21=32, Resulting Numbers: [1, 32] Generated Node #3: [1, 32] from Operation: 53-21=32 Current State: 32:[1, 32], Operations: ['97-96=1', '53-21=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[96, 97, 21, 53], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [21, 53, 1] Generated Node #0,0: 32:[21, 53, 1] Operation: 97-96=1 Moving to Node #0,0 Current State: 32:[21, 53, 1], Operations: ['97-96=1'] Exploring Operation: 53-21=32, Resulting Numbers: [1, 32] Generated Node #0,0,0: 32:[1, 32] Operation: 53-21=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[1, 32], Operations: ['97-96=1', '53-21=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[96, 97, 21, 53], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [21, 53, 1] Generated Node #0,0: 32:[21, 53, 1] Operation: 97-96=1 Moving to Node #0,0 Current State: 32:[21, 53, 1], Operations: ['97-96=1'] Exploring Operation: 53-21=32, Resulting Numbers: [1, 32] Generated Node #0,0,0: 32:[1, 32] Operation: 53-21=32 Moving to Node #0,0,0 Current State: 32:[1, 32], Operations: ['97-96=1', '53-21=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 68, 53, 72, 41 ]
46
[ "68-53=15", "72-41=31", "15+31=46" ]
Current State: 46:[68, 53, 72, 41], Operations: [] Exploring Operation: 68-53=15, Resulting Numbers: [72, 41, 15] Generated Node #2: [72, 41, 15] from Operation: 68-53=15 Current State: 46:[72, 41, 15], Operations: ['68-53=15'] Exploring Operation: 72-41=31, Resulting Numbers: [15, 31] Generated Node #3: [15, 31] from Operation: 72-41=31 Current State: 46:[15, 31], Operations: ['68-53=15', '72-41=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[68, 53, 72, 41], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [68, 41, 19] Generated Node #0,0: 46:[68, 41, 19] Operation: 72-53=19 Exploring Operation: 72-68=4, Resulting Numbers: [53, 41, 4] Generated Node #0,1: 46:[53, 41, 4] Operation: 72-68=4 Moving to Node #0,1 Current State: 46:[53, 41, 4], Operations: ['72-68=4'] Exploring Operation: 41+4=45, Resulting Numbers: [53, 45] Generated Node #0,1,0: 46:[53, 45] Operation: 41+4=45 Exploring Operation: 53-4=49, Resulting Numbers: [41, 49] Generated Node #0,1,1: 46:[41, 49] Operation: 53-4=49 Moving to Node #0,0 Current State: 46:[68, 41, 19], Operations: ['72-53=19'] Exploring Operation: 68-19=49, Resulting Numbers: [41, 49] Generated Node #0,0,0: 46:[41, 49] Operation: 68-19=49 Exploring Operation: 68-41=27, Resulting Numbers: [19, 27] Generated Node #0,0,1: 46:[19, 27] Operation: 68-41=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[41, 49], Operations: ['72-53=19', '68-19=49'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,46 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 #0,0,1 Current State: 46:[19, 27], Operations: ['72-53=19', '68-41=27'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[68, 53, 72, 41], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [68, 41, 19] Generated Node #0,0: 46:[68, 41, 19] Operation: 72-53=19 Moving to Node #0,0 Current State: 46:[68, 41, 19], Operations: ['72-53=19'] Exploring Operation: 68-41=27, Resulting Numbers: [19, 27] Generated Node #0,0,1: 46:[19, 27] Operation: 68-41=27 Moving to Node #0,0,1 Current State: 46:[19, 27], Operations: ['72-53=19', '68-41=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 84, 57, 42, 92 ]
91
[ "84+57=141", "92-42=50", "141-50=91" ]
Current State: 91:[84, 57, 42, 92], Operations: [] Exploring Operation: 84+57=141, Resulting Numbers: [42, 92, 141] Generated Node #2: [42, 92, 141] from Operation: 84+57=141 Current State: 91:[42, 92, 141], Operations: ['84+57=141'] Exploring Operation: 92-42=50, Resulting Numbers: [141, 50] Generated Node #3: [141, 50] from Operation: 92-42=50 Current State: 91:[141, 50], Operations: ['84+57=141', '92-42=50'] Exploring Operation: 141-50=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[84, 57, 42, 92], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [57, 92, 2] Generated Node #0,0: 91:[57, 92, 2] Operation: 84/42=2 Exploring Operation: 57+42=99, Resulting Numbers: [84, 92, 99] Generated Node #0,1: 91:[84, 92, 99] Operation: 57+42=99 Exploring Operation: 57-42=15, Resulting Numbers: [84, 92, 15] Generated Node #0,2: 91:[84, 92, 15] Operation: 57-42=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[84, 92, 15], Operations: ['57-42=15'] Exploring Operation: 92-84=8, Resulting Numbers: [15, 8] Generated Node #0,2,0: 91:[15, 8] Operation: 92-84=8 Exploring Operation: 92-15=77, Resulting Numbers: [84, 77] Generated Node #0,2,1: 91:[84, 77] Operation: 92-15=77 Exploring Operation: 84+15=99, Resulting Numbers: [92, 99] Generated Node #0,2,2: 91:[92, 99] Operation: 84+15=99 Moving to Node #0,2,0 Current State: 91:[15, 8], Operations: ['57-42=15', '92-84=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,91 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[92, 99], Operations: ['57-42=15', '84+15=99'] Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 92*99=9108, Resulting Numbers: [9108] 9108,91 unequal: No Solution Exploring Operation: 92+99=191, Resulting Numbers: [191] 191,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[84, 77], Operations: ['57-42=15', '92-15=77'] Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,91 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,91 unequal: No Solution No 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: 91:[84, 92, 99], Operations: ['57+42=99'] Exploring Operation: 92-84=8, Resulting Numbers: [99, 8] Generated Node #0,1,0: 91:[99, 8] Operation: 92-84=8 Exploring Operation: 99-84=15, Resulting Numbers: [92, 15] Generated Node #0,1,1: 91:[92, 15] Operation: 99-84=15 Exploring Operation: 99-92=7, Resulting Numbers: [84, 7] Generated Node #0,1,2: 91:[84, 7] Operation: 99-92=7 Moving to Node #0,1,1 Current State: 91:[92, 15], Operations: ['57+42=99', '99-84=15'] Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 92+15=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 92*15=1380, Resulting Numbers: [1380] 1380,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[84, 7], Operations: ['57+42=99', '99-92=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[84, 57, 42, 92], Operations: [] Exploring Operation: 57+42=99, Resulting Numbers: [84, 92, 99] Generated Node #0,1: 91:[84, 92, 99] Operation: 57+42=99 Moving to Node #0,1 Current State: 91:[84, 92, 99], Operations: ['57+42=99'] Exploring Operation: 99-92=7, Resulting Numbers: [84, 7] Generated Node #0,1,2: 91:[84, 7] Operation: 99-92=7 Moving to Node #0,1,2 Current State: 91:[84, 7], Operations: ['57+42=99', '99-92=7'] Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 68, 91, 4, 66 ]
99
[ "68-66=2", "4*2=8", "91+8=99" ]
Current State: 99:[68, 91, 4, 66], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [91, 4, 2] Generated Node #2: [91, 4, 2] from Operation: 68-66=2 Current State: 99:[91, 4, 2], Operations: ['68-66=2'] Exploring Operation: 4*2=8, Resulting Numbers: [91, 8] Generated Node #3: [91, 8] from Operation: 4*2=8 Current State: 99:[91, 8], Operations: ['68-66=2', '4*2=8'] Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[68, 91, 4, 66], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [91, 4, 2] Generated Node #0,0: 99:[91, 4, 2] Operation: 68-66=2 Moving to Node #0,0 Current State: 99:[91, 4, 2], Operations: ['68-66=2'] Exploring Operation: 91+4=95, Resulting Numbers: [2, 95] Generated Node #0,0,0: 99:[2, 95] Operation: 91+4=95 Moving to Node #0,0,0 Current State: 99:[2, 95], Operations: ['68-66=2', '91+4=95'] Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,99 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 23, 55, 57, 57 ]
17
[ "57-23=34", "57-55=2", "34/2=17" ]
Current State: 17:[23, 55, 57, 57], Operations: [] Exploring Operation: 57-23=34, Resulting Numbers: [55, 34] Generated Node #2: [55, 34] from Operation: 57-23=34 Current State: 17:[55, 34], Operations: ['57-23=34'] Exploring Operation: 57-55=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 57-55=2 Current State: 17:[34, 2], Operations: ['57-23=34', '57-55=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[23, 55, 57, 57], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [23, 55, 0] Generated Node #0,0: 17:[23, 55, 0] Operation: 57-57=0 Exploring Operation: 57-55=2, Resulting Numbers: [23, 57, 2] Generated Node #0,1: 17:[23, 57, 2] Operation: 57-55=2 Exploring Operation: 55-23=32, Resulting Numbers: [57, 57, 32] Generated Node #0,2: 17:[57, 57, 32] Operation: 55-23=32 Exploring Operation: 57-55=2, Resulting Numbers: [23, 57, 2] Generated Node #0,3: 17:[23, 57, 2] Operation: 57-55=2 Exploring Operation: 57/57=1, Resulting Numbers: [23, 55, 1] Generated Node #0,4: 17:[23, 55, 1] Operation: 57/57=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 17:[23, 55, 1], Operations: ['57/57=1'] Exploring Operation: 23*1=23, Resulting Numbers: [55, 23] Generated Node #0,4,0: 17:[55, 23] Operation: 23*1=23 Exploring Operation: 55-1=54, Resulting Numbers: [23, 54] Generated Node #0,4,1: 17:[23, 54] Operation: 55-1=54 Exploring Operation: 23-1=22, Resulting Numbers: [55, 22] Generated Node #0,4,2: 17:[55, 22] Operation: 23-1=22 Exploring Operation: 55-23=32, Resulting Numbers: [1, 32] Generated Node #0,4,3: 17:[1, 32] Operation: 55-23=32 Exploring Operation: 23/1=23, Resulting Numbers: [55, 23] Generated Node #0,4,4: 17:[55, 23] Operation: 23/1=23 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 17:[1, 32], Operations: ['57/57=1', '55-23=32'] Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,17 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,17 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: 17:[23, 54], Operations: ['57/57=1', '55-1=54'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,17 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,17 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: 17:[55, 22], Operations: ['57/57=1', '23-1=22'] Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,17 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,17 unequal: No Solution Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,17 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: 17:[55, 23], Operations: ['57/57=1', '23*1=23'] Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,17 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,17 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: 17:[55, 23], Operations: ['57/57=1', '23/1=23'] Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,17 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,17 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: 17:[23, 55, 0], Operations: ['57-57=0'] Exploring Operation: 23+0=23, Resulting Numbers: [55, 23] Generated Node #0,0,0: 17:[55, 23] Operation: 23+0=23 Exploring Operation: 55-23=32, Resulting Numbers: [0, 32] Generated Node #0,0,1: 17:[0, 32] Operation: 55-23=32 Exploring Operation: 23-0=23, Resulting Numbers: [55, 23] Generated Node #0,0,2: 17:[55, 23] Operation: 23-0=23 Exploring Operation: 55*0=0, Resulting Numbers: [23, 0] Generated Node #0,0,3: 17:[23, 0] Operation: 55*0=0 Exploring Operation: 55+0=55, Resulting Numbers: [23, 55] Generated Node #0,0,4: 17:[23, 55] Operation: 55+0=55 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 17:[23, 0], Operations: ['57-57=0', '55*0=0'] Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 23*0=0, Resulting Numbers: [0] 0,17 unequal: No Solution Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,17 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: 17:[0, 32], Operations: ['57-57=0', '55-23=32'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 0*32=0, Resulting Numbers: [0] 0,17 unequal: No Solution Exploring Operation: 0+32=32, Resulting Numbers: [32] 32,17 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: 17:[55, 23], Operations: ['57-57=0', '23+0=23'] Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,17 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,17 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: 17:[55, 23], Operations: ['57-57=0', '23-0=23'] Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,17 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,17 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: 17:[23, 55], Operations: ['57-57=0', '55+0=55'] Exploring Operation: 23*55=1265, Resulting Numbers: [1265] 1265,17 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 23+55=78, Resulting Numbers: [78] 78,17 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: 17:[23, 57, 2], Operations: ['57-55=2'] Exploring Operation: 23-2=21, Resulting Numbers: [57, 21] Generated Node #0,1,0: 17:[57, 21] Operation: 23-2=21 Exploring Operation: 57-23=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 17:[2, 34] Operation: 57-23=34 Exploring Operation: 57+2=59, Resulting Numbers: [23, 59] Generated Node #0,1,2: 17:[23, 59] Operation: 57+2=59 Exploring Operation: 23+2=25, Resulting Numbers: [57, 25] Generated Node #0,1,3: 17:[57, 25] Operation: 23+2=25 Exploring Operation: 57-2=55, Resulting Numbers: [23, 55] Generated Node #0,1,4: 17:[23, 55] Operation: 57-2=55 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[2, 34], Operations: ['57-55=2', '57-23=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[23, 55, 57, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [23, 57, 2] Generated Node #0,1: 17:[23, 57, 2] Operation: 57-55=2 Moving to Node #0,1 Current State: 17:[23, 57, 2], Operations: ['57-55=2'] Exploring Operation: 57-23=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 17:[2, 34] Operation: 57-23=34 Moving to Node #0,1,1 Current State: 17:[2, 34], Operations: ['57-55=2', '57-23=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 85, 59, 33, 85 ]
27
[ "85/85=1", "59-33=26", "1+26=27" ]
Current State: 27:[85, 59, 33, 85], Operations: [] Exploring Operation: 85/85=1, Resulting Numbers: [59, 33, 1] Generated Node #2: [59, 33, 1] from Operation: 85/85=1 Current State: 27:[59, 33, 1], Operations: ['85/85=1'] Exploring Operation: 59-33=26, Resulting Numbers: [1, 26] Generated Node #3: [1, 26] from Operation: 59-33=26 Current State: 27:[1, 26], Operations: ['85/85=1', '59-33=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[85, 59, 33, 85], Operations: [] Exploring Operation: 85/85=1, Resulting Numbers: [59, 33, 1] Generated Node #0,0: 27:[59, 33, 1] Operation: 85/85=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[59, 33, 1], Operations: ['85/85=1'] Exploring Operation: 59-33=26, Resulting Numbers: [1, 26] Generated Node #0,0,0: 27:[1, 26] Operation: 59-33=26 Moving to Node #0,0,0 Current State: 27:[1, 26], Operations: ['85/85=1', '59-33=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[85, 59, 33, 85], Operations: [] Exploring Operation: 85/85=1, Resulting Numbers: [59, 33, 1] Generated Node #0,0: 27:[59, 33, 1] Operation: 85/85=1 Moving to Node #0,0 Current State: 27:[59, 33, 1], Operations: ['85/85=1'] Exploring Operation: 59-33=26, Resulting Numbers: [1, 26] Generated Node #0,0,0: 27:[1, 26] Operation: 59-33=26 Moving to Node #0,0,0 Current State: 27:[1, 26], Operations: ['85/85=1', '59-33=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 19, 18, 17, 28 ]
19
[ "19-17=2", "18/2=9", "28-9=19" ]
Current State: 19:[19, 18, 17, 28], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [18, 28, 2] Generated Node #2: [18, 28, 2] from Operation: 19-17=2 Current State: 19:[18, 28, 2], Operations: ['19-17=2'] Exploring Operation: 18/2=9, Resulting Numbers: [28, 9] Generated Node #3: [28, 9] from Operation: 18/2=9 Current State: 19:[28, 9], Operations: ['19-17=2', '18/2=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[19, 18, 17, 28], Operations: [] Exploring Operation: 28-18=10, Resulting Numbers: [19, 17, 10] Generated Node #0,0: 19:[19, 17, 10] Operation: 28-18=10 Exploring Operation: 28-17=11, Resulting Numbers: [19, 18, 11] Generated Node #0,1: 19:[19, 18, 11] Operation: 28-17=11 Moving to Node #0,1 Current State: 19:[19, 18, 11], Operations: ['28-17=11'] Exploring Operation: 19+11=30, Resulting Numbers: [18, 30] Generated Node #0,1,0: 19:[18, 30] Operation: 19+11=30 Exploring Operation: 18+11=29, Resulting Numbers: [19, 29] Generated Node #0,1,1: 19:[19, 29] Operation: 18+11=29 Moving to Node #0,0 Current State: 19:[19, 17, 10], Operations: ['28-18=10'] Exploring Operation: 19+10=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 19:[17, 29] Operation: 19+10=29 Exploring Operation: 17+10=27, Resulting Numbers: [19, 27] Generated Node #0,0,1: 19:[19, 27] Operation: 17+10=27 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[19, 27], Operations: ['28-18=10', '17+10=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[17, 29], Operations: ['28-18=10', '19+10=29'] Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 19:[19, 29], Operations: ['28-17=11', '18+11=29'] Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[18, 30], Operations: ['28-17=11', '19+11=30'] Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 8, 73, 75, 8 ]
16
[ "8*73=584", "75*8=600", "600-584=16" ]
Current State: 16:[8, 73, 75, 8], Operations: [] Exploring Operation: 8*73=584, Resulting Numbers: [75, 584] Generated Node #2: [75, 584] from Operation: 8*73=584 Current State: 16:[75, 584], Operations: ['8*73=584'] Exploring Operation: 75*8=600, Resulting Numbers: [584, 600] Generated Node #3: [584, 600] from Operation: 75*8=600 Current State: 16:[584, 600], Operations: ['8*73=584', '75*8=600'] Exploring Operation: 600-584=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[8, 73, 75, 8], Operations: [] Exploring Operation: 73-8=65, Resulting Numbers: [75, 8, 65] Generated Node #0,0: 16:[75, 8, 65] Operation: 73-8=65 Exploring Operation: 75-73=2, Resulting Numbers: [8, 8, 2] Generated Node #0,1: 16:[8, 8, 2] Operation: 75-73=2 Exploring Operation: 75-8=67, Resulting Numbers: [73, 8, 67] Generated Node #0,2: 16:[73, 8, 67] Operation: 75-8=67 Moving to Node #0,1 Current State: 16:[8, 8, 2], Operations: ['75-73=2'] Exploring Operation: 8+8=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 16:[2, 16] Operation: 8+8=16 Exploring Operation: 8*2=16, Resulting Numbers: [8, 16] Generated Node #0,1,1: 16:[8, 16] Operation: 8*2=16 Exploring Operation: 8/2=4, Resulting Numbers: [8, 4] Generated Node #0,1,2: 16:[8, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[2, 16], Operations: ['75-73=2', '8+8=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,16 unequal: No Solution No 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: 16:[8, 16], Operations: ['75-73=2', '8*2=16'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,16 unequal: No Solution No 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: 16:[8, 4], Operations: ['75-73=2', '8/2=4'] Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,16 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: 16:[75, 8, 65], Operations: ['73-8=65'] Exploring Operation: 75-65=10, Resulting Numbers: [8, 10] Generated Node #0,0,0: 16:[8, 10] Operation: 75-65=10 Exploring Operation: 75-8=67, Resulting Numbers: [65, 67] Generated Node #0,0,1: 16:[65, 67] Operation: 75-8=67 Exploring Operation: 65-8=57, Resulting Numbers: [75, 57] Generated Node #0,0,2: 16:[75, 57] Operation: 65-8=57 Moving to Node #0,2 Current State: 16:[73, 8, 67], Operations: ['75-8=67'] Exploring Operation: 73-67=6, Resulting Numbers: [8, 6] Generated Node #0,2,0: 16:[8, 6] Operation: 73-67=6 Exploring Operation: 73-8=65, Resulting Numbers: [67, 65] Generated Node #0,2,1: 16:[67, 65] Operation: 73-8=65 Exploring Operation: 67-8=59, Resulting Numbers: [73, 59] Generated Node #0,2,2: 16:[73, 59] Operation: 67-8=59 Moving to Node #0,0,0 Current State: 16:[8, 10], Operations: ['73-8=65', '75-65=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[8, 6], Operations: ['75-8=67', '73-67=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[75, 57], Operations: ['73-8=65', '65-8=57'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[73, 59], Operations: ['75-8=67', '67-8=59'] Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,16 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[67, 65], Operations: ['75-8=67', '73-8=65'] Exploring Operation: 67+65=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 67-65=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 67*65=4355, Resulting Numbers: [4355] 4355,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[65, 67], Operations: ['73-8=65', '75-8=67'] Exploring Operation: 67-65=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 65*67=4355, Resulting Numbers: [4355] 4355,16 unequal: No Solution Exploring Operation: 65+67=132, Resulting Numbers: [132] 132,16 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 70, 10, 95, 78 ]
15
[ "78-70=8", "10*8=80", "95-80=15" ]
Current State: 15:[70, 10, 95, 78], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [10, 95, 8] Generated Node #2: [10, 95, 8] from Operation: 78-70=8 Current State: 15:[10, 95, 8], Operations: ['78-70=8'] Exploring Operation: 10*8=80, Resulting Numbers: [95, 80] Generated Node #3: [95, 80] from Operation: 10*8=80 Current State: 15:[95, 80], Operations: ['78-70=8', '10*8=80'] Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[70, 10, 95, 78], Operations: [] Exploring Operation: 95-78=17, Resulting Numbers: [70, 10, 17] Generated Node #0,0: 15:[70, 10, 17] Operation: 95-78=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[70, 10, 17], Operations: ['95-78=17'] Exploring Operation: 70/10=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 15:[17, 7] Operation: 70/10=7 Moving to Node #0,0,0 Current State: 15:[17, 7], Operations: ['95-78=17', '70/10=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,15 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
[ 20, 91, 15, 95 ]
87
[ "95-15=80", "80/20=4", "91-4=87" ]
Current State: 87:[20, 91, 15, 95], Operations: [] Exploring Operation: 95-15=80, Resulting Numbers: [20, 91, 80] Generated Node #2: [20, 91, 80] from Operation: 95-15=80 Current State: 87:[20, 91, 80], Operations: ['95-15=80'] Exploring Operation: 80/20=4, Resulting Numbers: [91, 4] Generated Node #3: [91, 4] from Operation: 80/20=4 Current State: 87:[91, 4], Operations: ['95-15=80', '80/20=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[20, 91, 15, 95], Operations: [] Exploring Operation: 20-15=5, Resulting Numbers: [91, 95, 5] Generated Node #0,0: 87:[91, 95, 5] Operation: 20-15=5 Exploring Operation: 20+15=35, Resulting Numbers: [91, 95, 35] Generated Node #0,1: 87:[91, 95, 35] Operation: 20+15=35 Exploring Operation: 95-15=80, Resulting Numbers: [20, 91, 80] Generated Node #0,2: 87:[20, 91, 80] Operation: 95-15=80 Moving to Node #0,0 Current State: 87:[91, 95, 5], Operations: ['20-15=5'] Exploring Operation: 95-91=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 87:[5, 4] Operation: 95-91=4 Exploring Operation: 95-5=90, Resulting Numbers: [91, 90] Generated Node #0,0,1: 87:[91, 90] Operation: 95-5=90 Exploring Operation: 91-5=86, Resulting Numbers: [95, 86] Generated Node #0,0,2: 87:[95, 86] Operation: 91-5=86 Moving to Node #0,1 Current State: 87:[91, 95, 35], Operations: ['20+15=35'] Exploring Operation: 95-35=60, Resulting Numbers: [91, 60] Generated Node #0,1,0: 87:[91, 60] Operation: 95-35=60 Exploring Operation: 91-35=56, Resulting Numbers: [95, 56] Generated Node #0,1,1: 87:[95, 56] Operation: 91-35=56 Exploring Operation: 95-91=4, Resulting Numbers: [35, 4] Generated Node #0,1,2: 87:[35, 4] Operation: 95-91=4 Moving to Node #0,2 Current State: 87:[20, 91, 80], Operations: ['95-15=80'] Exploring Operation: 20+80=100, Resulting Numbers: [91, 100] Generated Node #0,2,0: 87:[91, 100] Operation: 20+80=100 Exploring Operation: 80/20=4, Resulting Numbers: [91, 4] Generated Node #0,2,1: 87:[91, 4] Operation: 80/20=4 Exploring Operation: 91-80=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 87:[20, 11] Operation: 91-80=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[91, 4], Operations: ['95-15=80', '80/20=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[20, 91, 15, 95], Operations: [] Exploring Operation: 95-15=80, Resulting Numbers: [20, 91, 80] Generated Node #0,2: 87:[20, 91, 80] Operation: 95-15=80 Moving to Node #0,2 Current State: 87:[20, 91, 80], Operations: ['95-15=80'] Exploring Operation: 80/20=4, Resulting Numbers: [91, 4] Generated Node #0,2,1: 87:[91, 4] Operation: 80/20=4 Moving to Node #0,2,1 Current State: 87:[91, 4], Operations: ['95-15=80', '80/20=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 46, 32, 20, 42 ]
48
[ "46-32=14", "20+42=62", "62-14=48" ]
Current State: 48:[46, 32, 20, 42], Operations: [] Exploring Operation: 46-32=14, Resulting Numbers: [20, 42, 14] Generated Node #2: [20, 42, 14] from Operation: 46-32=14 Current State: 48:[20, 42, 14], Operations: ['46-32=14'] Exploring Operation: 20+42=62, Resulting Numbers: [14, 62] Generated Node #3: [14, 62] from Operation: 20+42=62 Current State: 48:[14, 62], Operations: ['46-32=14', '20+42=62'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[46, 32, 20, 42], Operations: [] Exploring Operation: 32-20=12, Resulting Numbers: [46, 42, 12] Generated Node #0,0: 48:[46, 42, 12] Operation: 32-20=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[46, 42, 12], Operations: ['32-20=12'] Exploring Operation: 46-42=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 48:[12, 4] Operation: 46-42=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[12, 4], Operations: ['32-20=12', '46-42=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,48 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
sum_heuristic
[ 80, 3, 87, 11 ]
98
[ "87-80=7", "3+11=14", "7*14=98" ]
Current State: 98:[80, 3, 87, 11], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [3, 11, 7] Generated Node #2: [3, 11, 7] from Operation: 87-80=7 Current State: 98:[3, 11, 7], Operations: ['87-80=7'] Exploring Operation: 3+11=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 3+11=14 Current State: 98:[7, 14], Operations: ['87-80=7', '3+11=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[80, 3, 87, 11], Operations: [] Exploring Operation: 87+11=98, Resulting Numbers: [80, 3, 98] Generated Node #0,0: 98:[80, 3, 98] Operation: 87+11=98 Exploring Operation: 80+3=83, Resulting Numbers: [87, 11, 83] Generated Node #0,1: 98:[87, 11, 83] Operation: 80+3=83 Exploring Operation: 80+11=91, Resulting Numbers: [3, 87, 91] Generated Node #0,2: 98:[3, 87, 91] Operation: 80+11=91 Exploring Operation: 87-80=7, Resulting Numbers: [3, 11, 7] Generated Node #0,3: 98:[3, 11, 7] Operation: 87-80=7 Moving to Node #0,3 Current State: 98:[3, 11, 7], Operations: ['87-80=7'] Exploring Operation: 3+11=14, Resulting Numbers: [7, 14] Generated Node #0,3,0: 98:[7, 14] Operation: 3+11=14 Exploring Operation: 7-3=4, Resulting Numbers: [11, 4] Generated Node #0,3,1: 98:[11, 4] Operation: 7-3=4 Exploring Operation: 11-7=4, Resulting Numbers: [3, 4] Generated Node #0,3,2: 98:[3, 4] Operation: 11-7=4 Exploring Operation: 11-3=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 98:[7, 8] Operation: 11-3=8 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 98:[7, 14], Operations: ['87-80=7', '3+11=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[80, 3, 87, 11], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [3, 11, 7] Generated Node #0,3: 98:[3, 11, 7] Operation: 87-80=7 Moving to Node #0,3 Current State: 98:[3, 11, 7], Operations: ['87-80=7'] Exploring Operation: 3+11=14, Resulting Numbers: [7, 14] Generated Node #0,3,0: 98:[7, 14] Operation: 3+11=14 Moving to Node #0,3,0 Current State: 98:[7, 14], Operations: ['87-80=7', '3+11=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 9, 16, 50, 14 ]
16
[ "9+16=25", "50/25=2", "14+2=16" ]
Current State: 16:[9, 16, 50, 14], Operations: [] Exploring Operation: 9+16=25, Resulting Numbers: [50, 14, 25] Generated Node #2: [50, 14, 25] from Operation: 9+16=25 Current State: 16:[50, 14, 25], Operations: ['9+16=25'] Exploring Operation: 50/25=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 50/25=2 Current State: 16:[14, 2], Operations: ['9+16=25', '50/25=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[9, 16, 50, 14], Operations: [] Exploring Operation: 50-9=41, Resulting Numbers: [16, 14, 41] Generated Node #0,0: 16:[16, 14, 41] Operation: 50-9=41 Exploring Operation: 50-16=34, Resulting Numbers: [9, 14, 34] Generated Node #0,1: 16:[9, 14, 34] Operation: 50-16=34 Exploring Operation: 50-14=36, Resulting Numbers: [9, 16, 36] Generated Node #0,2: 16:[9, 16, 36] Operation: 50-14=36 Exploring Operation: 16-14=2, Resulting Numbers: [9, 50, 2] Generated Node #0,3: 16:[9, 50, 2] Operation: 16-14=2 Exploring Operation: 14-9=5, Resulting Numbers: [16, 50, 5] Generated Node #0,4: 16:[16, 50, 5] Operation: 14-9=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[9, 14, 34], Operations: ['50-16=34'] Exploring Operation: 14-9=5, Resulting Numbers: [34, 5] Generated Node #0,1,0: 16:[34, 5] Operation: 14-9=5 Exploring Operation: 34-9=25, Resulting Numbers: [14, 25] Generated Node #0,1,1: 16:[14, 25] Operation: 34-9=25 Exploring Operation: 9+14=23, Resulting Numbers: [34, 23] Generated Node #0,1,2: 16:[34, 23] Operation: 9+14=23 Exploring Operation: 34-14=20, Resulting Numbers: [9, 20] Generated Node #0,1,3: 16:[9, 20] Operation: 34-14=20 Exploring Operation: 9+34=43, Resulting Numbers: [14, 43] Generated Node #0,1,4: 16:[14, 43] Operation: 9+34=43 Moving to Node #0,1,3 Current State: 16:[9, 20], Operations: ['50-16=34', '34-14=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,16 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[14, 25], Operations: ['50-16=34', '34-9=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,16 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[34, 5], Operations: ['50-16=34', '14-9=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,16 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[34, 23], Operations: ['50-16=34', '9+14=23'] Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,16 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,16 unequal: No Solution Moving to Node #0,1,4 Current State: 16:[14, 43], Operations: ['50-16=34', '9+34=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,16 unequal: No Solution No 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: 16:[9, 16, 36], Operations: ['50-14=36'] Exploring Operation: 36-9=27, Resulting Numbers: [16, 27] Generated Node #0,2,0: 16:[16, 27] Operation: 36-9=27 Exploring Operation: 16-9=7, Resulting Numbers: [36, 7] Generated Node #0,2,1: 16:[36, 7] Operation: 16-9=7 Exploring Operation: 9+16=25, Resulting Numbers: [36, 25] Generated Node #0,2,2: 16:[36, 25] Operation: 9+16=25 Exploring Operation: 36-16=20, Resulting Numbers: [9, 20] Generated Node #0,2,3: 16:[9, 20] Operation: 36-16=20 Exploring Operation: 36/9=4, Resulting Numbers: [16, 4] Generated Node #0,2,4: 16:[16, 4] Operation: 36/9=4 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 16:[16, 4], Operations: ['50-14=36', '36/9=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,16 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: 16:[9, 20], Operations: ['50-14=36', '36-16=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,16 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: 16:[16, 27], Operations: ['50-14=36', '36-9=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,16 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,16 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: 16:[36, 7], Operations: ['50-14=36', '16-9=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,16 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,16 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: 16:[36, 25], Operations: ['50-14=36', '9+16=25'] Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 36*25=900, Resulting Numbers: [900] 900,16 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,16 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: 16:[16, 14, 41], Operations: ['50-9=41'] Exploring Operation: 16+14=30, Resulting Numbers: [41, 30] Generated Node #0,0,0: 16:[41, 30] Operation: 16+14=30 Exploring Operation: 41-14=27, Resulting Numbers: [16, 27] Generated Node #0,0,1: 16:[16, 27] Operation: 41-14=27 Exploring Operation: 14+41=55, Resulting Numbers: [16, 55] Generated Node #0,0,2: 16:[16, 55] Operation: 14+41=55 Exploring Operation: 16-14=2, Resulting Numbers: [41, 2] Generated Node #0,0,3: 16:[41, 2] Operation: 16-14=2 Exploring Operation: 41-16=25, Resulting Numbers: [14, 25] Generated Node #0,0,4: 16:[14, 25] Operation: 41-16=25 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[16, 27], Operations: ['50-9=41', '41-14=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,16 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,16 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: 16:[14, 25], Operations: ['50-9=41', '41-16=25'] Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,16 unequal: No Solution Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,16 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: 16:[41, 2], Operations: ['50-9=41', '16-14=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,16 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: 16:[41, 30], Operations: ['50-9=41', '16+14=30'] Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,16 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: 16:[16, 55], Operations: ['50-9=41', '14+41=55'] Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,16 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,16 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: 16:[9, 50, 2], Operations: ['16-14=2'] Exploring Operation: 50-9=41, Resulting Numbers: [2, 41] Generated Node #0,3,0: 16:[2, 41] Operation: 50-9=41 Exploring Operation: 9*2=18, Resulting Numbers: [50, 18] Generated Node #0,3,1: 16:[50, 18] Operation: 9*2=18 Exploring Operation: 9-2=7, Resulting Numbers: [50, 7] Generated Node #0,3,2: 16:[50, 7] Operation: 9-2=7 Exploring Operation: 50/2=25, Resulting Numbers: [9, 25] Generated Node #0,3,3: 16:[9, 25] Operation: 50/2=25 Exploring Operation: 50-2=48, Resulting Numbers: [9, 48] Generated Node #0,3,4: 16:[9, 48] Operation: 50-2=48 Moving to Node #0,3,3 Current State: 16:[9, 25], Operations: ['16-14=2', '50/2=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[9, 16, 50, 14], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [9, 50, 2] Generated Node #0,3: 16:[9, 50, 2] Operation: 16-14=2 Moving to Node #0,3 Current State: 16:[9, 50, 2], Operations: ['16-14=2'] Exploring Operation: 50/2=25, Resulting Numbers: [9, 25] Generated Node #0,3,3: 16:[9, 25] Operation: 50/2=25 Moving to Node #0,3,3 Current State: 16:[9, 25], Operations: ['16-14=2', '50/2=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.934028
hs_5
sum_heuristic
[ 4, 85, 75, 76 ]
89
[ "4+85=89", "76-75=1", "89*1=89" ]
Current State: 89:[4, 85, 75, 76], Operations: [] Exploring Operation: 4+85=89, Resulting Numbers: [75, 76, 89] Generated Node #2: [75, 76, 89] from Operation: 4+85=89 Current State: 89:[75, 76, 89], Operations: ['4+85=89'] Exploring Operation: 76-75=1, Resulting Numbers: [89, 1] Generated Node #3: [89, 1] from Operation: 76-75=1 Current State: 89:[89, 1], Operations: ['4+85=89', '76-75=1'] Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[4, 85, 75, 76], Operations: [] Exploring Operation: 4+85=89, Resulting Numbers: [75, 76, 89] Generated Node #0,0: 89:[75, 76, 89] Operation: 4+85=89 Exploring Operation: 85-4=81, Resulting Numbers: [75, 76, 81] Generated Node #0,1: 89:[75, 76, 81] Operation: 85-4=81 Exploring Operation: 4+75=79, Resulting Numbers: [85, 76, 79] Generated Node #0,2: 89:[85, 76, 79] Operation: 4+75=79 Exploring Operation: 75-4=71, Resulting Numbers: [85, 76, 71] Generated Node #0,3: 89:[85, 76, 71] Operation: 75-4=71 Exploring Operation: 4+76=80, Resulting Numbers: [85, 75, 80] Generated Node #0,4: 89:[85, 75, 80] Operation: 4+76=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[75, 76, 89], Operations: ['4+85=89'] Exploring Operation: 75+76=151, Resulting Numbers: [89, 151] Generated Node #0,0,0: 89:[89, 151] Operation: 75+76=151 Exploring Operation: 76-75=1, Resulting Numbers: [89, 1] Generated Node #0,0,1: 89:[89, 1] Operation: 76-75=1 Exploring Operation: 75+89=164, Resulting Numbers: [76, 164] Generated Node #0,0,2: 89:[76, 164] Operation: 75+89=164 Exploring Operation: 76+89=165, Resulting Numbers: [75, 165] Generated Node #0,0,3: 89:[75, 165] Operation: 76+89=165 Exploring Operation: 89-75=14, Resulting Numbers: [76, 14] Generated Node #0,0,4: 89:[76, 14] Operation: 89-75=14 Moving to Node #0,0,0 Current State: 89:[89, 151], Operations: ['4+85=89', '75+76=151'] Exploring Operation: 151-89=62, Resulting Numbers: [62] 62,89 unequal: No Solution Exploring Operation: 89+151=240, Resulting Numbers: [240] 240,89 unequal: No Solution Exploring Operation: 89*151=13439, Resulting Numbers: [13439] 13439,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[76, 164], Operations: ['4+85=89', '75+89=164'] Exploring Operation: 164-76=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 76+164=240, Resulting Numbers: [240] 240,89 unequal: No Solution Exploring Operation: 76*164=12464, Resulting Numbers: [12464] 12464,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[89, 1], Operations: ['4+85=89', '76-75=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[4, 85, 75, 76], Operations: [] Exploring Operation: 4+85=89, Resulting Numbers: [75, 76, 89] Generated Node #0,0: 89:[75, 76, 89] Operation: 4+85=89 Moving to Node #0,0 Current State: 89:[75, 76, 89], Operations: ['4+85=89'] Exploring Operation: 76-75=1, Resulting Numbers: [89, 1] Generated Node #0,0,1: 89:[89, 1] Operation: 76-75=1 Moving to Node #0,0,1 Current State: 89:[89, 1], Operations: ['4+85=89', '76-75=1'] Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 75, 50, 84, 21 ]
62
[ "75+50=125", "84-21=63", "125-63=62" ]
Current State: 62:[75, 50, 84, 21], Operations: [] Exploring Operation: 75+50=125, Resulting Numbers: [84, 21, 125] Generated Node #2: [84, 21, 125] from Operation: 75+50=125 Current State: 62:[84, 21, 125], Operations: ['75+50=125'] Exploring Operation: 84-21=63, Resulting Numbers: [125, 63] Generated Node #3: [125, 63] from Operation: 84-21=63 Current State: 62:[125, 63], Operations: ['75+50=125', '84-21=63'] Exploring Operation: 125-63=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[75, 50, 84, 21], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [75, 21, 34] Generated Node #0,0: 62:[75, 21, 34] Operation: 84-50=34 Exploring Operation: 84-21=63, Resulting Numbers: [75, 50, 63] Generated Node #0,1: 62:[75, 50, 63] Operation: 84-21=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[75, 21, 34], Operations: ['84-50=34'] Exploring Operation: 75-34=41, Resulting Numbers: [21, 41] Generated Node #0,0,0: 62:[21, 41] Operation: 75-34=41 Exploring Operation: 75-21=54, Resulting Numbers: [34, 54] Generated Node #0,0,1: 62:[34, 54] Operation: 75-21=54 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[34, 54], Operations: ['84-50=34', '75-21=54'] Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,62 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,62 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: 62:[21, 41], Operations: ['84-50=34', '75-34=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[75, 50, 84, 21], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [75, 21, 34] Generated Node #0,0: 62:[75, 21, 34] Operation: 84-50=34 Moving to Node #0,0 Current State: 62:[75, 21, 34], Operations: ['84-50=34'] Exploring Operation: 75-34=41, Resulting Numbers: [21, 41] Generated Node #0,0,0: 62:[21, 41] Operation: 75-34=41 Moving to Node #0,0,0 Current State: 62:[21, 41], Operations: ['84-50=34', '75-34=41'] Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 87, 80, 86, 34 ]
58
[ "87*80=6960", "86+34=120", "6960/120=58" ]
Current State: 58:[87, 80, 86, 34], Operations: [] Exploring Operation: 87*80=6960, Resulting Numbers: [86, 34, 6960] Generated Node #2: [86, 34, 6960] from Operation: 87*80=6960 Current State: 58:[86, 34, 6960], Operations: ['87*80=6960'] Exploring Operation: 86+34=120, Resulting Numbers: [6960, 120] Generated Node #3: [6960, 120] from Operation: 86+34=120 Current State: 58:[6960, 120], Operations: ['87*80=6960', '86+34=120'] Exploring Operation: 6960/120=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[87, 80, 86, 34], Operations: [] Exploring Operation: 87-86=1, Resulting Numbers: [80, 34, 1] Generated Node #0,0: 58:[80, 34, 1] Operation: 87-86=1 Moving to Node #0,0 Current State: 58:[80, 34, 1], Operations: ['87-86=1'] Exploring Operation: 80-34=46, Resulting Numbers: [1, 46] Generated Node #0,0,0: 58:[1, 46] Operation: 80-34=46 Moving to Node #0,0,0 Current State: 58:[1, 46], Operations: ['87-86=1', '80-34=46'] Exploring Operation: 1+46=47, Resulting Numbers: [47] 47,58 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 56, 94, 2, 34 ]
58
[ "56+94=150", "150-34=116", "116/2=58" ]
Current State: 58:[56, 94, 2, 34], Operations: [] Exploring Operation: 56+94=150, Resulting Numbers: [2, 34, 150] Generated Node #2: [2, 34, 150] from Operation: 56+94=150 Current State: 58:[2, 34, 150], Operations: ['56+94=150'] Exploring Operation: 150-34=116, Resulting Numbers: [2, 116] Generated Node #3: [2, 116] from Operation: 150-34=116 Current State: 58:[2, 116], Operations: ['56+94=150', '150-34=116'] Exploring Operation: 116/2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[56, 94, 2, 34], Operations: [] Exploring Operation: 94-34=60, Resulting Numbers: [56, 2, 60] Generated Node #0,0: 58:[56, 2, 60] Operation: 94-34=60 Exploring Operation: 94/2=47, Resulting Numbers: [56, 34, 47] Generated Node #0,1: 58:[56, 34, 47] Operation: 94/2=47 Exploring Operation: 94-56=38, Resulting Numbers: [2, 34, 38] Generated Node #0,2: 58:[2, 34, 38] Operation: 94-56=38 Exploring Operation: 56+2=58, Resulting Numbers: [94, 34, 58] Generated Node #0,3: 58:[94, 34, 58] Operation: 56+2=58 Exploring Operation: 94-2=92, Resulting Numbers: [56, 34, 92] Generated Node #0,4: 58:[56, 34, 92] Operation: 94-2=92 Moving to Node #0,0 Current State: 58:[56, 2, 60], Operations: ['94-34=60'] Exploring Operation: 60-56=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 58:[2, 4] Operation: 60-56=4 Exploring Operation: 60-2=58, Resulting Numbers: [56, 58] Generated Node #0,0,1: 58:[56, 58] Operation: 60-2=58 Exploring Operation: 56+2=58, Resulting Numbers: [60, 58] Generated Node #0,0,2: 58:[60, 58] Operation: 56+2=58 Exploring Operation: 60/2=30, Resulting Numbers: [56, 30] Generated Node #0,0,3: 58:[56, 30] Operation: 60/2=30 Exploring Operation: 56/2=28, Resulting Numbers: [60, 28] Generated Node #0,0,4: 58:[60, 28] Operation: 56/2=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[2, 4], Operations: ['94-34=60', '60-56=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,58 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 #0,0,1 Current State: 58:[56, 58], Operations: ['94-34=60', '60-2=58'] Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,58 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,58 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 #0,0,2 Current State: 58:[60, 58], Operations: ['94-34=60', '56+2=58'] Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,58 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,58 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 #0,0,3 Current State: 58:[56, 30], Operations: ['94-34=60', '60/2=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,58 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,58 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 #0,0,4 Current State: 58:[60, 28], Operations: ['94-34=60', '56/2=28'] Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,58 unequal: No Solution Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,58 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: 58:[2, 34, 38], Operations: ['94-56=38'] Exploring Operation: 38-34=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 58:[2, 4] Operation: 38-34=4 Exploring Operation: 34-2=32, Resulting Numbers: [38, 32] Generated Node #0,2,1: 58:[38, 32] Operation: 34-2=32 Exploring Operation: 34+38=72, Resulting Numbers: [2, 72] Generated Node #0,2,2: 58:[2, 72] Operation: 34+38=72 Exploring Operation: 38/2=19, Resulting Numbers: [34, 19] Generated Node #0,2,3: 58:[34, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [34, 36] Generated Node #0,2,4: 58:[34, 36] Operation: 38-2=36 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[2, 4], Operations: ['94-56=38', '38-34=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,58 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 #0,2,1 Current State: 58:[38, 32], Operations: ['94-56=38', '34-2=32'] Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 38*32=1216, Resulting Numbers: [1216] 1216,58 unequal: No Solution Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,58 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 #0,2,4 Current State: 58:[34, 36], Operations: ['94-56=38', '38-2=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,58 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,58 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 #0,2,2 Current State: 58:[2, 72], Operations: ['94-56=38', '34+38=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,58 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,58 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,58 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 #0,2,3 Current State: 58:[34, 19], Operations: ['94-56=38', '38/2=19'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,58 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: 58:[56, 34, 47], Operations: ['94/2=47'] Exploring Operation: 56-34=22, Resulting Numbers: [47, 22] Generated Node #0,1,0: 58:[47, 22] Operation: 56-34=22 Exploring Operation: 34+47=81, Resulting Numbers: [56, 81] Generated Node #0,1,1: 58:[56, 81] Operation: 34+47=81 Exploring Operation: 56-47=9, Resulting Numbers: [34, 9] Generated Node #0,1,2: 58:[34, 9] Operation: 56-47=9 Exploring Operation: 56+34=90, Resulting Numbers: [47, 90] Generated Node #0,1,3: 58:[47, 90] Operation: 56+34=90 Exploring Operation: 47-34=13, Resulting Numbers: [56, 13] Generated Node #0,1,4: 58:[56, 13] Operation: 47-34=13 Moving to Node #0,3 Current State: 58:[94, 34, 58], Operations: ['56+2=58'] Exploring Operation: 94-58=36, Resulting Numbers: [34, 36] Generated Node #0,3,0: 58:[34, 36] Operation: 94-58=36 Exploring Operation: 94-34=60, Resulting Numbers: [58, 60] Generated Node #0,3,1: 58:[58, 60] Operation: 94-34=60 Exploring Operation: 94+34=128, Resulting Numbers: [58, 128] Generated Node #0,3,2: 58:[58, 128] Operation: 94+34=128 Exploring Operation: 58-34=24, Resulting Numbers: [94, 24] Generated Node #0,3,3: 58:[94, 24] Operation: 58-34=24 Exploring Operation: 34+58=92, Resulting Numbers: [94, 92] Generated Node #0,3,4: 58:[94, 92] Operation: 34+58=92 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 58:[58, 60], Operations: ['56+2=58', '94-34=60'] Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,58 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,58 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 #0,3,0 Current State: 58:[34, 36], Operations: ['56+2=58', '94-58=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,58 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,58 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 #0,3,3 Current State: 58:[94, 24], Operations: ['56+2=58', '58-34=24'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 94*24=2256, Resulting Numbers: [2256] 2256,58 unequal: No Solution Exploring Operation: 94+24=118, Resulting Numbers: [118] 118,58 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 #0,3,2 Current State: 58:[58, 128], Operations: ['56+2=58', '94+34=128'] Exploring Operation: 128-58=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 58+128=186, Resulting Numbers: [186] 186,58 unequal: No Solution Exploring Operation: 58*128=7424, Resulting Numbers: [7424] 7424,58 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 #0,3,4 Current State: 58:[94, 92], Operations: ['56+2=58', '34+58=92'] Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 94+92=186, Resulting Numbers: [186] 186,58 unequal: No Solution Exploring Operation: 94*92=8648, Resulting Numbers: [8648] 8648,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 58:[56, 34, 92], Operations: ['94-2=92'] Exploring Operation: 92-56=36, Resulting Numbers: [34, 36] Generated Node #0,4,0: 58:[34, 36] Operation: 92-56=36 Exploring Operation: 34+92=126, Resulting Numbers: [56, 126] Generated Node #0,4,1: 58:[56, 126] Operation: 34+92=126 Exploring Operation: 92-34=58, Resulting Numbers: [56, 58] Generated Node #0,4,2: 58:[56, 58] Operation: 92-34=58 Exploring Operation: 56+34=90, Resulting Numbers: [92, 90] Generated Node #0,4,3: 58:[92, 90] Operation: 56+34=90 Exploring Operation: 56-34=22, Resulting Numbers: [92, 22] Generated Node #0,4,4: 58:[92, 22] Operation: 56-34=22 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 58:[56, 58], Operations: ['94-2=92', '92-34=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,58 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,58 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 #0,4,0 Current State: 58:[34, 36], Operations: ['94-2=92', '92-56=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,58 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,58 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 #0,4,4 Current State: 58:[92, 22], Operations: ['94-2=92', '56-34=22'] Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,58 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,58 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 #0,4,3 Current State: 58:[92, 90], Operations: ['94-2=92', '56+34=90'] Exploring Operation: 92*90=8280, Resulting Numbers: [8280] 8280,58 unequal: No Solution Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 92+90=182, Resulting Numbers: [182] 182,58 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 #0,4,1 Current State: 58:[56, 126], Operations: ['94-2=92', '34+92=126'] Exploring Operation: 126-56=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 56*126=7056, Resulting Numbers: [7056] 7056,58 unequal: No Solution Exploring Operation: 56+126=182, Resulting Numbers: [182] 182,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 58:[34, 9], Operations: ['94/2=47', '56-47=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,58 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,58 unequal: No Solution Moving to Node #0,1,4 Current State: 58:[56, 13], Operations: ['94/2=47', '47-34=13'] Exploring Operation: 56+13=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 56*13=728, Resulting Numbers: [728] 728,58 unequal: No Solution Exploring Operation: 56-13=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[47, 22], Operations: ['94/2=47', '56-34=22'] Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 47*22=1034, Resulting Numbers: [1034] 1034,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[56, 81], Operations: ['94/2=47', '34+47=81'] Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,58 unequal: No Solution Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,58 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[47, 90], Operations: ['94/2=47', '56+34=90'] Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 47*90=4230, Resulting Numbers: [4230] 4230,58 unequal: No Solution Exploring Operation: 47+90=137, Resulting Numbers: [137] 137,58 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 63, 39, 53, 41 ]
36
[ "63-39=24", "53-41=12", "24+12=36" ]
Current State: 36:[63, 39, 53, 41], Operations: [] Exploring Operation: 63-39=24, Resulting Numbers: [53, 41, 24] Generated Node #2: [53, 41, 24] from Operation: 63-39=24 Current State: 36:[53, 41, 24], Operations: ['63-39=24'] Exploring Operation: 53-41=12, Resulting Numbers: [24, 12] Generated Node #3: [24, 12] from Operation: 53-41=12 Current State: 36:[24, 12], Operations: ['63-39=24', '53-41=12'] Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[63, 39, 53, 41], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [63, 39, 12] Generated Node #0,0: 36:[63, 39, 12] Operation: 53-41=12 Exploring Operation: 63-39=24, Resulting Numbers: [53, 41, 24] Generated Node #0,1: 36:[53, 41, 24] Operation: 63-39=24 Exploring Operation: 63-41=22, Resulting Numbers: [39, 53, 22] Generated Node #0,2: 36:[39, 53, 22] Operation: 63-41=22 Exploring Operation: 63-53=10, Resulting Numbers: [39, 41, 10] Generated Node #0,3: 36:[39, 41, 10] Operation: 63-53=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[39, 41, 10], Operations: ['63-53=10'] Exploring Operation: 41-10=31, Resulting Numbers: [39, 31] Generated Node #0,3,0: 36:[39, 31] Operation: 41-10=31 Exploring Operation: 39-10=29, Resulting Numbers: [41, 29] Generated Node #0,3,1: 36:[41, 29] Operation: 39-10=29 Exploring Operation: 39+10=49, Resulting Numbers: [41, 49] Generated Node #0,3,2: 36:[41, 49] Operation: 39+10=49 Exploring Operation: 41-39=2, Resulting Numbers: [10, 2] Generated Node #0,3,3: 36:[10, 2] Operation: 41-39=2 Moving to Node #0,3,3 Current State: 36:[10, 2], Operations: ['63-53=10', '41-39=2'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,36 unequal: No Solution Moving to Node #0,3,0 Current State: 36:[39, 31], Operations: ['63-53=10', '41-10=31'] Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,36 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,36 unequal: No Solution Moving to Node #0,3,1 Current State: 36:[41, 29], Operations: ['63-53=10', '39-10=29'] Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,36 unequal: No Solution Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,36 unequal: No Solution Moving to Node #0,3,2 Current State: 36:[41, 49], Operations: ['63-53=10', '39+10=49'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 41*49=2009, Resulting Numbers: [2009] 2009,36 unequal: No Solution Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,36 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 #0,2 Current State: 36:[39, 53, 22], Operations: ['63-41=22'] Exploring Operation: 39+22=61, Resulting Numbers: [53, 61] Generated Node #0,2,0: 36:[53, 61] Operation: 39+22=61 Exploring Operation: 39-22=17, Resulting Numbers: [53, 17] Generated Node #0,2,1: 36:[53, 17] Operation: 39-22=17 Exploring Operation: 53-22=31, Resulting Numbers: [39, 31] Generated Node #0,2,2: 36:[39, 31] Operation: 53-22=31 Exploring Operation: 53-39=14, Resulting Numbers: [22, 14] Generated Node #0,2,3: 36:[22, 14] Operation: 53-39=14 Moving to Node #0,2,3 Current State: 36:[22, 14], Operations: ['63-41=22', '53-39=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[63, 39, 53, 41], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [39, 53, 22] Generated Node #0,2: 36:[39, 53, 22] Operation: 63-41=22 Moving to Node #0,2 Current State: 36:[39, 53, 22], Operations: ['63-41=22'] Exploring Operation: 53-39=14, Resulting Numbers: [22, 14] Generated Node #0,2,3: 36:[22, 14] Operation: 53-39=14 Moving to Node #0,2,3 Current State: 36:[22, 14], Operations: ['63-41=22', '53-39=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 38, 49, 47, 56 ]
63
[ "47-38=9", "56-49=7", "9*7=63" ]
Current State: 63:[38, 49, 47, 56], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [49, 56, 9] Generated Node #2: [49, 56, 9] from Operation: 47-38=9 Current State: 63:[49, 56, 9], Operations: ['47-38=9'] Exploring Operation: 56-49=7, Resulting Numbers: [9, 7] Generated Node #3: [9, 7] from Operation: 56-49=7 Current State: 63:[9, 7], Operations: ['47-38=9', '56-49=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[38, 49, 47, 56], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [49, 56, 9] Generated Node #0,0: 63:[49, 56, 9] Operation: 47-38=9 Exploring Operation: 49-38=11, Resulting Numbers: [47, 56, 11] Generated Node #0,1: 63:[47, 56, 11] Operation: 49-38=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[49, 56, 9], Operations: ['47-38=9'] Exploring Operation: 49+9=58, Resulting Numbers: [56, 58] Generated Node #0,0,0: 63:[56, 58] Operation: 49+9=58 Exploring Operation: 56-49=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 63:[9, 7] Operation: 56-49=7 Moving to Node #0,0,1 Current State: 63:[9, 7], Operations: ['47-38=9', '56-49=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[38, 49, 47, 56], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [49, 56, 9] Generated Node #0,0: 63:[49, 56, 9] Operation: 47-38=9 Moving to Node #0,0 Current State: 63:[49, 56, 9], Operations: ['47-38=9'] Exploring Operation: 56-49=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 63:[9, 7] Operation: 56-49=7 Moving to Node #0,0,1 Current State: 63:[9, 7], Operations: ['47-38=9', '56-49=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 22, 9, 28, 62 ]
59
[ "22+9=31", "28+62=90", "90-31=59" ]
Current State: 59:[22, 9, 28, 62], Operations: [] Exploring Operation: 22+9=31, Resulting Numbers: [28, 62, 31] Generated Node #2: [28, 62, 31] from Operation: 22+9=31 Current State: 59:[28, 62, 31], Operations: ['22+9=31'] Exploring Operation: 28+62=90, Resulting Numbers: [31, 90] Generated Node #3: [31, 90] from Operation: 28+62=90 Current State: 59:[31, 90], Operations: ['22+9=31', '28+62=90'] Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[22, 9, 28, 62], Operations: [] Exploring Operation: 9+28=37, Resulting Numbers: [22, 62, 37] Generated Node #0,0: 59:[22, 62, 37] Operation: 9+28=37 Exploring Operation: 22+9=31, Resulting Numbers: [28, 62, 31] Generated Node #0,1: 59:[28, 62, 31] Operation: 22+9=31 Exploring Operation: 62-9=53, Resulting Numbers: [22, 28, 53] Generated Node #0,2: 59:[22, 28, 53] Operation: 62-9=53 Exploring Operation: 22+28=50, Resulting Numbers: [9, 62, 50] Generated Node #0,3: 59:[9, 62, 50] Operation: 22+28=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[22, 62, 37], Operations: ['9+28=37'] Exploring Operation: 22+62=84, Resulting Numbers: [37, 84] Generated Node #0,0,0: 59:[37, 84] Operation: 22+62=84 Exploring Operation: 37-22=15, Resulting Numbers: [62, 15] Generated Node #0,0,1: 59:[62, 15] Operation: 37-22=15 Exploring Operation: 62-22=40, Resulting Numbers: [37, 40] Generated Node #0,0,2: 59:[37, 40] Operation: 62-22=40 Exploring Operation: 22+37=59, Resulting Numbers: [62, 59] Generated Node #0,0,3: 59:[62, 59] Operation: 22+37=59 Moving to Node #0,0,3 Current State: 59:[62, 59], Operations: ['9+28=37', '22+37=59'] Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,59 unequal: No Solution Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[37, 40], Operations: ['9+28=37', '62-22=40'] Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,59 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[62, 15], Operations: ['9+28=37', '37-22=15'] Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,59 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[37, 84], Operations: ['9+28=37', '22+62=84'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[28, 62, 31], Operations: ['22+9=31'] Exploring Operation: 28+31=59, Resulting Numbers: [62, 59] Generated Node #0,1,0: 59:[62, 59] Operation: 28+31=59 Exploring Operation: 28+62=90, Resulting Numbers: [31, 90] Generated Node #0,1,1: 59:[31, 90] Operation: 28+62=90 Exploring Operation: 31-28=3, Resulting Numbers: [62, 3] Generated Node #0,1,2: 59:[62, 3] Operation: 31-28=3 Exploring Operation: 62-28=34, Resulting Numbers: [31, 34] Generated Node #0,1,3: 59:[31, 34] Operation: 62-28=34 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[62, 59], Operations: ['22+9=31', '28+31=59'] Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,59 unequal: No Solution Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,59 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: 59:[31, 34], Operations: ['22+9=31', '62-28=34'] Exploring Operation: 31+34=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 31*34=1054, Resulting Numbers: [1054] 1054,59 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: 59:[31, 90], Operations: ['22+9=31', '28+62=90'] Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[22, 9, 28, 62], Operations: [] Exploring Operation: 22+9=31, Resulting Numbers: [28, 62, 31] Generated Node #0,1: 59:[28, 62, 31] Operation: 22+9=31 Moving to Node #0,1 Current State: 59:[28, 62, 31], Operations: ['22+9=31'] Exploring Operation: 28+62=90, Resulting Numbers: [31, 90] Generated Node #0,1,1: 59:[31, 90] Operation: 28+62=90 Moving to Node #0,1,1 Current State: 59:[31, 90], Operations: ['22+9=31', '28+62=90'] Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 87, 92, 23, 37 ]
12
[ "92-87=5", "23+37=60", "60/5=12" ]
Current State: 12:[87, 92, 23, 37], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [23, 37, 5] Generated Node #2: [23, 37, 5] from Operation: 92-87=5 Current State: 12:[23, 37, 5], Operations: ['92-87=5'] Exploring Operation: 23+37=60, Resulting Numbers: [5, 60] Generated Node #3: [5, 60] from Operation: 23+37=60 Current State: 12:[5, 60], Operations: ['92-87=5', '23+37=60'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[87, 92, 23, 37], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [23, 37, 5] Generated Node #0,0: 12:[23, 37, 5] Operation: 92-87=5 Exploring Operation: 87-37=50, Resulting Numbers: [92, 23, 50] Generated Node #0,1: 12:[92, 23, 50] Operation: 87-37=50 Exploring Operation: 92/23=4, Resulting Numbers: [87, 37, 4] Generated Node #0,2: 12:[87, 37, 4] Operation: 92/23=4 Moving to Node #0,0 Current State: 12:[23, 37, 5], Operations: ['92-87=5'] Exploring Operation: 37-23=14, Resulting Numbers: [5, 14] Generated Node #0,0,0: 12:[5, 14] Operation: 37-23=14 Exploring Operation: 37-5=32, Resulting Numbers: [23, 32] Generated Node #0,0,1: 12:[23, 32] Operation: 37-5=32 Exploring Operation: 23-5=18, Resulting Numbers: [37, 18] Generated Node #0,0,2: 12:[37, 18] Operation: 23-5=18 Moving to Node #0,2 Current State: 12:[87, 37, 4], Operations: ['92/23=4'] Exploring Operation: 87-4=83, Resulting Numbers: [37, 83] Generated Node #0,2,0: 12:[37, 83] Operation: 87-4=83 Exploring Operation: 87-37=50, Resulting Numbers: [4, 50] Generated Node #0,2,1: 12:[4, 50] Operation: 87-37=50 Exploring Operation: 37-4=33, Resulting Numbers: [87, 33] Generated Node #0,2,2: 12:[87, 33] Operation: 37-4=33 Moving to Node #0,1 Current State: 12:[92, 23, 50], Operations: ['87-37=50'] Exploring Operation: 92-23=69, Resulting Numbers: [50, 69] Generated Node #0,1,0: 12:[50, 69] Operation: 92-23=69 Exploring Operation: 92/23=4, Resulting Numbers: [50, 4] Generated Node #0,1,1: 12:[50, 4] Operation: 92/23=4 Exploring Operation: 92-50=42, Resulting Numbers: [23, 42] Generated Node #0,1,2: 12:[23, 42] Operation: 92-50=42 Moving to Node #0,0,0 Current State: 12:[5, 14], Operations: ['92-87=5', '37-23=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,12 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[37, 18], Operations: ['92-87=5', '23-5=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[23, 32], Operations: ['92-87=5', '37-5=32'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,12 unequal: No Solution Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[50, 4], Operations: ['87-37=50', '92/23=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[4, 50], Operations: ['92/23=4', '87-37=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 4*50=200, Resulting Numbers: [200] 200,12 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[23, 42], Operations: ['87-37=50', '92-50=42'] Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[50, 69], Operations: ['87-37=50', '92-23=69'] Exploring Operation: 50*69=3450, Resulting Numbers: [3450] 3450,12 unequal: No Solution Exploring Operation: 50+69=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[87, 33], Operations: ['92/23=4', '37-4=33'] Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,12 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 87*33=2871, Resulting Numbers: [2871] 2871,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[37, 83], Operations: ['92/23=4', '87-4=83'] Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,12 unequal: No Solution Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 33, 59, 52, 26 ]
28
[ "59-33=26", "52/26=2", "26+2=28" ]
Current State: 28:[33, 59, 52, 26], Operations: [] Exploring Operation: 59-33=26, Resulting Numbers: [52, 26, 26] Generated Node #2: [52, 26, 26] from Operation: 59-33=26 Current State: 28:[52, 26, 26], Operations: ['59-33=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,28 equal: Goal Reached Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 59, 52, 26], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [33, 26, 7] Generated Node #0,0: 28:[33, 26, 7] Operation: 59-52=7 Exploring Operation: 59-26=33, Resulting Numbers: [33, 52, 33] Generated Node #0,1: 28:[33, 52, 33] Operation: 59-26=33 Exploring Operation: 59-33=26, Resulting Numbers: [52, 26, 26] Generated Node #0,2: 28:[52, 26, 26] Operation: 59-33=26 Exploring Operation: 52/26=2, Resulting Numbers: [33, 59, 2] Generated Node #0,3: 28:[33, 59, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[33, 26, 7], Operations: ['59-52=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33, 33] Generated Node #0,0,0: 28:[33, 33] Operation: 26+7=33 Exploring Operation: 26-7=19, Resulting Numbers: [33, 19] Generated Node #0,0,1: 28:[33, 19] Operation: 26-7=19 Exploring Operation: 33-26=7, Resulting Numbers: [7, 7] Generated Node #0,0,2: 28:[7, 7] Operation: 33-26=7 Exploring Operation: 33-7=26, Resulting Numbers: [26, 26] Generated Node #0,0,3: 28:[26, 26] Operation: 33-7=26 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 28:[7, 7], Operations: ['59-52=7', '33-26=7'] Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,28 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,28 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 #0,0,3 Current State: 28:[26, 26], Operations: ['59-52=7', '33-7=26'] Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,28 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 #0,0,0 Current State: 28:[33, 33], Operations: ['59-52=7', '26+7=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,28 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,28 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,28 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 #0,0,1 Current State: 28:[33, 19], Operations: ['59-52=7', '26-7=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,28 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,28 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 #0,2 Current State: 28:[52, 26, 26], Operations: ['59-33=26'] Exploring Operation: 52-26=26, Resulting Numbers: [26, 26] Generated Node #0,2,0: 28:[26, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 28:[26, 2] Operation: 52/26=2 Exploring Operation: 52-26=26, Resulting Numbers: [26, 26] Generated Node #0,2,2: 28:[26, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,2,3: 28:[26, 2] Operation: 52/26=2 Moving to Node #0,2,1 Current State: 28:[26, 2], Operations: ['59-33=26', '52/26=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[33, 59, 52, 26], Operations: [] Exploring Operation: 59-33=26, Resulting Numbers: [52, 26, 26] Generated Node #0,2: 28:[52, 26, 26] Operation: 59-33=26 Moving to Node #0,2 Current State: 28:[52, 26, 26], Operations: ['59-33=26'] Exploring Operation: 52/26=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 28:[26, 2] Operation: 52/26=2 Moving to Node #0,2,1 Current State: 28:[26, 2], Operations: ['59-33=26', '52/26=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 41, 60, 73, 15 ]
13
[ "41+60=101", "73+15=88", "101-88=13" ]
Current State: 13:[41, 60, 73, 15], Operations: [] Exploring Operation: 41+60=101, Resulting Numbers: [73, 15, 101] Generated Node #2: [73, 15, 101] from Operation: 41+60=101 Current State: 13:[73, 15, 101], Operations: ['41+60=101'] Exploring Operation: 73+15=88, Resulting Numbers: [101, 88] Generated Node #3: [101, 88] from Operation: 73+15=88 Current State: 13:[101, 88], Operations: ['41+60=101', '73+15=88'] Exploring Operation: 101-88=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[41, 60, 73, 15], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [41, 15, 13] Generated Node #0,0: 13:[41, 15, 13] Operation: 73-60=13 Exploring Operation: 73-41=32, Resulting Numbers: [60, 15, 32] Generated Node #0,1: 13:[60, 15, 32] Operation: 73-41=32 Exploring Operation: 60-41=19, Resulting Numbers: [73, 15, 19] Generated Node #0,2: 13:[73, 15, 19] Operation: 60-41=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[41, 15, 13], Operations: ['73-60=13'] Exploring Operation: 41-13=28, Resulting Numbers: [15, 28] Generated Node #0,0,0: 13:[15, 28] Operation: 41-13=28 Exploring Operation: 15-13=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 13:[41, 2] Operation: 15-13=2 Exploring Operation: 41-15=26, Resulting Numbers: [13, 26] Generated Node #0,0,2: 13:[13, 26] Operation: 41-15=26 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[13, 26], Operations: ['73-60=13', '41-15=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[41, 60, 73, 15], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [41, 15, 13] Generated Node #0,0: 13:[41, 15, 13] Operation: 73-60=13 Moving to Node #0,0 Current State: 13:[41, 15, 13], Operations: ['73-60=13'] Exploring Operation: 41-15=26, Resulting Numbers: [13, 26] Generated Node #0,0,2: 13:[13, 26] Operation: 41-15=26 Moving to Node #0,0,2 Current State: 13:[13, 26], Operations: ['73-60=13', '41-15=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 55, 90, 82, 3 ]
99
[ "82-55=27", "27/3=9", "90+9=99" ]
Current State: 99:[55, 90, 82, 3], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [90, 3, 27] Generated Node #2: [90, 3, 27] from Operation: 82-55=27 Current State: 99:[90, 3, 27], Operations: ['82-55=27'] Exploring Operation: 27/3=9, Resulting Numbers: [90, 9] Generated Node #3: [90, 9] from Operation: 27/3=9 Current State: 99:[90, 9], Operations: ['82-55=27', '27/3=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[55, 90, 82, 3], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [90, 3, 27] Generated Node #0,0: 99:[90, 3, 27] Operation: 82-55=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[90, 3, 27], Operations: ['82-55=27'] Exploring Operation: 90/3=30, Resulting Numbers: [27, 30] Generated Node #0,0,0: 99:[27, 30] Operation: 90/3=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[27, 30], Operations: ['82-55=27', '90/3=30'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,99 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 No solution found.
0
hs_1
sum_heuristic
[ 60, 65, 20, 90 ]
62
[ "65-20=45", "90/45=2", "60+2=62" ]
Current State: 62:[60, 65, 20, 90], Operations: [] Exploring Operation: 65-20=45, Resulting Numbers: [60, 90, 45] Generated Node #2: [60, 90, 45] from Operation: 65-20=45 Current State: 62:[60, 90, 45], Operations: ['65-20=45'] Exploring Operation: 90/45=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 90/45=2 Current State: 62:[60, 2], Operations: ['65-20=45', '90/45=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[60, 65, 20, 90], Operations: [] Exploring Operation: 90-60=30, Resulting Numbers: [65, 20, 30] Generated Node #0,0: 62:[65, 20, 30] Operation: 90-60=30 Exploring Operation: 90-65=25, Resulting Numbers: [60, 20, 25] Generated Node #0,1: 62:[60, 20, 25] Operation: 90-65=25 Exploring Operation: 90-20=70, Resulting Numbers: [60, 65, 70] Generated Node #0,2: 62:[60, 65, 70] Operation: 90-20=70 Moving to Node #0,2 Current State: 62:[60, 65, 70], Operations: ['90-20=70'] Exploring Operation: 70-65=5, Resulting Numbers: [60, 5] Generated Node #0,2,0: 62:[60, 5] Operation: 70-65=5 Exploring Operation: 70-60=10, Resulting Numbers: [65, 10] Generated Node #0,2,1: 62:[65, 10] Operation: 70-60=10 Exploring Operation: 65-60=5, Resulting Numbers: [70, 5] Generated Node #0,2,2: 62:[70, 5] Operation: 65-60=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[60, 5], Operations: ['90-20=70', '70-65=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,62 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 #0,2,1 Current State: 62:[65, 10], Operations: ['90-20=70', '70-60=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,62 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,62 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 #0,2,2 Current State: 62:[70, 5], Operations: ['90-20=70', '65-60=5'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,62 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: 62:[65, 20, 30], Operations: ['90-60=30'] Exploring Operation: 30-20=10, Resulting Numbers: [65, 10] Generated Node #0,0,0: 62:[65, 10] Operation: 30-20=10 Exploring Operation: 65-20=45, Resulting Numbers: [30, 45] Generated Node #0,0,1: 62:[30, 45] Operation: 65-20=45 Exploring Operation: 65-30=35, Resulting Numbers: [20, 35] Generated Node #0,0,2: 62:[20, 35] Operation: 65-30=35 Moving to Node #0,1 Current State: 62:[60, 20, 25], Operations: ['90-65=25'] Exploring Operation: 60/20=3, Resulting Numbers: [25, 3] Generated Node #0,1,0: 62:[25, 3] Operation: 60/20=3 Exploring Operation: 25-20=5, Resulting Numbers: [60, 5] Generated Node #0,1,1: 62:[60, 5] Operation: 25-20=5 Exploring Operation: 60-20=40, Resulting Numbers: [25, 40] Generated Node #0,1,2: 62:[25, 40] Operation: 60-20=40 Moving to Node #0,1,1 Current State: 62:[60, 5], Operations: ['90-65=25', '25-20=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,62 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[25, 3], Operations: ['90-65=25', '60/20=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[65, 10], Operations: ['90-60=30', '30-20=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,62 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[20, 35], Operations: ['90-60=30', '65-30=35'] Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,62 unequal: No Solution Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,62 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[30, 45], Operations: ['90-60=30', '65-20=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[25, 40], Operations: ['90-65=25', '60-20=40'] Exploring Operation: 25*40=1000, Resulting Numbers: [1000] 1000,62 unequal: No Solution Exploring Operation: 25+40=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 75, 21, 23 ]
65
[ "7*23=161", "75+21=96", "161-96=65" ]
Current State: 65:[7, 75, 21, 23], Operations: [] Exploring Operation: 7*23=161, Resulting Numbers: [75, 21, 161] Generated Node #2: [75, 21, 161] from Operation: 7*23=161 Current State: 65:[75, 21, 161], Operations: ['7*23=161'] Exploring Operation: 75+21=96, Resulting Numbers: [161, 96] Generated Node #3: [161, 96] from Operation: 75+21=96 Current State: 65:[161, 96], Operations: ['7*23=161', '75+21=96'] Exploring Operation: 161-96=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[7, 75, 21, 23], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [7, 75, 2] Generated Node #0,0: 65:[7, 75, 2] Operation: 23-21=2 Exploring Operation: 75-7=68, Resulting Numbers: [21, 23, 68] Generated Node #0,1: 65:[21, 23, 68] Operation: 75-7=68 Moving to Node #0,0 Current State: 65:[7, 75, 2], Operations: ['23-21=2'] Exploring Operation: 7-2=5, Resulting Numbers: [75, 5] Generated Node #0,0,0: 65:[75, 5] Operation: 7-2=5 Exploring Operation: 75-7=68, Resulting Numbers: [2, 68] Generated Node #0,0,1: 65:[2, 68] Operation: 75-7=68 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[2, 68], Operations: ['23-21=2', '75-7=68'] Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[75, 5], Operations: ['23-21=2', '7-2=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,65 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,65 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: 65:[21, 23, 68], Operations: ['75-7=68'] Exploring Operation: 21+23=44, Resulting Numbers: [68, 44] Generated Node #0,1,0: 65:[68, 44] Operation: 21+23=44 Exploring Operation: 23-21=2, Resulting Numbers: [68, 2] Generated Node #0,1,1: 65:[68, 2] Operation: 23-21=2 Moving to Node #0,1,1 Current State: 65:[68, 2], Operations: ['75-7=68', '23-21=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[68, 44], Operations: ['75-7=68', '21+23=44'] Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,65 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,65 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 4, 6, 22 ]
37
[ "22-4=18", "18/6=3", "40-3=37" ]
Current State: 37:[40, 4, 6, 22], Operations: [] Exploring Operation: 22-4=18, Resulting Numbers: [40, 6, 18] Generated Node #2: [40, 6, 18] from Operation: 22-4=18 Current State: 37:[40, 6, 18], Operations: ['22-4=18'] Exploring Operation: 18/6=3, Resulting Numbers: [40, 3] Generated Node #3: [40, 3] from Operation: 18/6=3 Current State: 37:[40, 3], Operations: ['22-4=18', '18/6=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[40, 4, 6, 22], Operations: [] Exploring Operation: 4+6=10, Resulting Numbers: [40, 22, 10] Generated Node #0,0: 37:[40, 22, 10] Operation: 4+6=10 Exploring Operation: 4*6=24, Resulting Numbers: [40, 22, 24] Generated Node #0,1: 37:[40, 22, 24] Operation: 4*6=24 Moving to Node #0,1 Current State: 37:[40, 22, 24], Operations: ['4*6=24'] Exploring Operation: 22+24=46, Resulting Numbers: [40, 46] Generated Node #0,1,0: 37:[40, 46] Operation: 22+24=46 Exploring Operation: 40-22=18, Resulting Numbers: [24, 18] Generated Node #0,1,1: 37:[24, 18] Operation: 40-22=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[40, 46], Operations: ['4*6=24', '22+24=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,37 unequal: No Solution No 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: 37:[24, 18], Operations: ['4*6=24', '40-22=18'] Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,37 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: 37:[40, 22, 10], Operations: ['4+6=10'] Exploring Operation: 22+10=32, Resulting Numbers: [40, 32] Generated Node #0,0,0: 37:[40, 32] Operation: 22+10=32 Exploring Operation: 40-10=30, Resulting Numbers: [22, 30] Generated Node #0,0,1: 37:[22, 30] Operation: 40-10=30 Moving to Node #0,0,0 Current State: 37:[40, 32], Operations: ['4+6=10', '22+10=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[22, 30], Operations: ['4+6=10', '40-10=30'] Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,37 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 62, 72, 58, 87 ]
19
[ "72-62=10", "87-58=29", "29-10=19" ]
Current State: 19:[62, 72, 58, 87], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [58, 87, 10] Generated Node #2: [58, 87, 10] from Operation: 72-62=10 Current State: 19:[58, 87, 10], Operations: ['72-62=10'] Exploring Operation: 87-58=29, Resulting Numbers: [10, 29] Generated Node #3: [10, 29] from Operation: 87-58=29 Current State: 19:[10, 29], Operations: ['72-62=10', '87-58=29'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[62, 72, 58, 87], Operations: [] Exploring Operation: 87-58=29, Resulting Numbers: [62, 72, 29] Generated Node #0,0: 19:[62, 72, 29] Operation: 87-58=29 Exploring Operation: 72-58=14, Resulting Numbers: [62, 87, 14] Generated Node #0,1: 19:[62, 87, 14] Operation: 72-58=14 Exploring Operation: 72-62=10, Resulting Numbers: [58, 87, 10] Generated Node #0,2: 19:[58, 87, 10] Operation: 72-62=10 Exploring Operation: 87-72=15, Resulting Numbers: [62, 58, 15] Generated Node #0,3: 19:[62, 58, 15] Operation: 87-72=15 Exploring Operation: 87-62=25, Resulting Numbers: [72, 58, 25] Generated Node #0,4: 19:[72, 58, 25] Operation: 87-62=25 Moving to Node #0,3 Current State: 19:[62, 58, 15], Operations: ['87-72=15'] Exploring Operation: 58+15=73, Resulting Numbers: [62, 73] Generated Node #0,3,0: 19:[62, 73] Operation: 58+15=73 Exploring Operation: 58-15=43, Resulting Numbers: [62, 43] Generated Node #0,3,1: 19:[62, 43] Operation: 58-15=43 Exploring Operation: 62-58=4, Resulting Numbers: [15, 4] Generated Node #0,3,2: 19:[15, 4] Operation: 62-58=4 Exploring Operation: 62-15=47, Resulting Numbers: [58, 47] Generated Node #0,3,3: 19:[58, 47] Operation: 62-15=47 Exploring Operation: 62+15=77, Resulting Numbers: [58, 77] Generated Node #0,3,4: 19:[58, 77] Operation: 62+15=77 Moving to Node #0,4 Current State: 19:[72, 58, 25], Operations: ['87-62=25'] Exploring Operation: 72+25=97, Resulting Numbers: [58, 97] Generated Node #0,4,0: 19:[58, 97] Operation: 72+25=97 Exploring Operation: 72-58=14, Resulting Numbers: [25, 14] Generated Node #0,4,1: 19:[25, 14] Operation: 72-58=14 Exploring Operation: 58-25=33, Resulting Numbers: [72, 33] Generated Node #0,4,2: 19:[72, 33] Operation: 58-25=33 Exploring Operation: 72-25=47, Resulting Numbers: [58, 47] Generated Node #0,4,3: 19:[58, 47] Operation: 72-25=47 Exploring Operation: 72+58=130, Resulting Numbers: [25, 130] Generated Node #0,4,4: 19:[25, 130] Operation: 72+58=130 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 19:[25, 14], Operations: ['87-62=25', '72-58=14'] Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,19 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 19:[72, 33], Operations: ['87-62=25', '58-25=33'] Exploring Operation: 72+33=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 72*33=2376, Resulting Numbers: [2376] 2376,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 19:[58, 47], Operations: ['87-62=25', '72-25=47'] Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,19 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 19:[58, 97], Operations: ['87-62=25', '72+25=97'] Exploring Operation: 58*97=5626, Resulting Numbers: [5626] 5626,19 unequal: No Solution Exploring Operation: 58+97=155, Resulting Numbers: [155] 155,19 unequal: No Solution Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 19:[25, 130], Operations: ['87-62=25', '72+58=130'] Exploring Operation: 130-25=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 25+130=155, Resulting Numbers: [155] 155,19 unequal: No Solution Exploring Operation: 25*130=3250, Resulting Numbers: [3250] 3250,19 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: 19:[62, 72, 29], Operations: ['87-58=29'] Exploring Operation: 72-29=43, Resulting Numbers: [62, 43] Generated Node #0,0,0: 19:[62, 43] Operation: 72-29=43 Exploring Operation: 62-29=33, Resulting Numbers: [72, 33] Generated Node #0,0,1: 19:[72, 33] Operation: 62-29=33 Exploring Operation: 62+29=91, Resulting Numbers: [72, 91] Generated Node #0,0,2: 19:[72, 91] Operation: 62+29=91 Exploring Operation: 72-62=10, Resulting Numbers: [29, 10] Generated Node #0,0,3: 19:[29, 10] Operation: 72-62=10 Exploring Operation: 62+72=134, Resulting Numbers: [29, 134] Generated Node #0,0,4: 19:[29, 134] Operation: 62+72=134 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[29, 10], Operations: ['87-58=29', '72-62=10'] Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,19 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[62, 72, 58, 87], Operations: [] Exploring Operation: 87-58=29, Resulting Numbers: [62, 72, 29] Generated Node #0,0: 19:[62, 72, 29] Operation: 87-58=29 Moving to Node #0,0 Current State: 19:[62, 72, 29], Operations: ['87-58=29'] Exploring Operation: 72-62=10, Resulting Numbers: [29, 10] Generated Node #0,0,3: 19:[29, 10] Operation: 72-62=10 Moving to Node #0,0,3 Current State: 19:[29, 10], Operations: ['87-58=29', '72-62=10'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 27, 8, 37, 5 ]
31
[ "27*8=216", "37*5=185", "216-185=31" ]
Current State: 31:[27, 8, 37, 5], Operations: [] Exploring Operation: 27*8=216, Resulting Numbers: [37, 5, 216] Generated Node #2: [37, 5, 216] from Operation: 27*8=216 Current State: 31:[37, 5, 216], Operations: ['27*8=216'] Exploring Operation: 37*5=185, Resulting Numbers: [216, 185] Generated Node #3: [216, 185] from Operation: 37*5=185 Current State: 31:[216, 185], Operations: ['27*8=216', '37*5=185'] Exploring Operation: 216-185=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[27, 8, 37, 5], Operations: [] Exploring Operation: 8*5=40, Resulting Numbers: [27, 37, 40] Generated Node #0,0: 31:[27, 37, 40] Operation: 8*5=40 Exploring Operation: 8+5=13, Resulting Numbers: [27, 37, 13] Generated Node #0,1: 31:[27, 37, 13] Operation: 8+5=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[27, 37, 40], Operations: ['8*5=40'] Exploring Operation: 40-27=13, Resulting Numbers: [37, 13] Generated Node #0,0,0: 31:[37, 13] Operation: 40-27=13 Exploring Operation: 37-27=10, Resulting Numbers: [40, 10] Generated Node #0,0,1: 31:[40, 10] Operation: 37-27=10 Moving to Node #0,0,0 Current State: 31:[37, 13], Operations: ['8*5=40', '40-27=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[40, 10], Operations: ['8*5=40', '37-27=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[27, 37, 13], Operations: ['8+5=13'] Exploring Operation: 37-13=24, Resulting Numbers: [27, 24] Generated Node #0,1,0: 31:[27, 24] Operation: 37-13=24 Exploring Operation: 27+13=40, Resulting Numbers: [37, 40] Generated Node #0,1,1: 31:[37, 40] Operation: 27+13=40 Moving to Node #0,1,0 Current State: 31:[27, 24], Operations: ['8+5=13', '37-13=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,31 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[37, 40], Operations: ['8+5=13', '27+13=40'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,31 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
[ 12, 72, 8, 73 ]
49
[ "12*8=96", "72+73=145", "145-96=49" ]
Current State: 49:[12, 72, 8, 73], Operations: [] Exploring Operation: 12*8=96, Resulting Numbers: [72, 73, 96] Generated Node #2: [72, 73, 96] from Operation: 12*8=96 Current State: 49:[72, 73, 96], Operations: ['12*8=96'] Exploring Operation: 72+73=145, Resulting Numbers: [96, 145] Generated Node #3: [96, 145] from Operation: 72+73=145 Current State: 49:[96, 145], Operations: ['12*8=96', '72+73=145'] Exploring Operation: 145-96=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[12, 72, 8, 73], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [12, 73, 9] Generated Node #0,0: 49:[12, 73, 9] Operation: 72/8=9 Exploring Operation: 73-72=1, Resulting Numbers: [12, 8, 1] Generated Node #0,1: 49:[12, 8, 1] Operation: 73-72=1 Exploring Operation: 72/12=6, Resulting Numbers: [8, 73, 6] Generated Node #0,2: 49:[8, 73, 6] Operation: 72/12=6 Moving to Node #0,1 Current State: 49:[12, 8, 1], Operations: ['73-72=1'] Exploring Operation: 12*1=12, Resulting Numbers: [8, 12] Generated Node #0,1,0: 49:[8, 12] Operation: 12*1=12 Exploring Operation: 12-1=11, Resulting Numbers: [8, 11] Generated Node #0,1,1: 49:[8, 11] Operation: 12-1=11 Exploring Operation: 8-1=7, Resulting Numbers: [12, 7] Generated Node #0,1,2: 49:[12, 7] Operation: 8-1=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[8, 11], Operations: ['73-72=1', '12-1=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,49 unequal: No Solution No 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: 49:[12, 7], Operations: ['73-72=1', '8-1=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,49 unequal: No Solution No 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: 49:[8, 12], Operations: ['73-72=1', '12*1=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,49 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: 49:[8, 73, 6], Operations: ['72/12=6'] Exploring Operation: 8*6=48, Resulting Numbers: [73, 48] Generated Node #0,2,0: 49:[73, 48] Operation: 8*6=48 Exploring Operation: 73-8=65, Resulting Numbers: [6, 65] Generated Node #0,2,1: 49:[6, 65] Operation: 73-8=65 Exploring Operation: 73-6=67, Resulting Numbers: [8, 67] Generated Node #0,2,2: 49:[8, 67] Operation: 73-6=67 Moving to Node #0,0 Current State: 49:[12, 73, 9], Operations: ['72/8=9'] Exploring Operation: 73-12=61, Resulting Numbers: [9, 61] Generated Node #0,0,0: 49:[9, 61] Operation: 73-12=61 Exploring Operation: 73-9=64, Resulting Numbers: [12, 64] Generated Node #0,0,1: 49:[12, 64] Operation: 73-9=64 Exploring Operation: 12-9=3, Resulting Numbers: [73, 3] Generated Node #0,0,2: 49:[73, 3] Operation: 12-9=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[9, 61], Operations: ['72/8=9', '73-12=61'] Exploring Operation: 9+61=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 9*61=549, Resulting Numbers: [549] 549,49 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,49 unequal: No Solution No 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: 49:[12, 64], Operations: ['72/8=9', '73-9=64'] Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,49 unequal: No Solution Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,49 unequal: No Solution No 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: 49:[73, 3], Operations: ['72/8=9', '12-9=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 49:[6, 65], Operations: ['72/12=6', '73-8=65'] Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,49 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,49 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[8, 67], Operations: ['72/12=6', '73-6=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,49 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,49 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[73, 48], Operations: ['72/12=6', '8*6=48'] Exploring Operation: 73*48=3504, Resulting Numbers: [3504] 3504,49 unequal: No Solution Exploring Operation: 73+48=121, Resulting Numbers: [121] 121,49 unequal: No Solution Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 90, 77, 89, 18 ]
15
[ "89-77=12", "18-12=6", "90/6=15" ]
Current State: 15:[90, 77, 89, 18], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [90, 18, 12] Generated Node #2: [90, 18, 12] from Operation: 89-77=12 Current State: 15:[90, 18, 12], Operations: ['89-77=12'] Exploring Operation: 18-12=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 18-12=6 Current State: 15:[90, 6], Operations: ['89-77=12', '18-12=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[90, 77, 89, 18], Operations: [] Exploring Operation: 90-89=1, Resulting Numbers: [77, 18, 1] Generated Node #0,0: 15:[77, 18, 1] Operation: 90-89=1 Exploring Operation: 90-77=13, Resulting Numbers: [89, 18, 13] Generated Node #0,1: 15:[89, 18, 13] Operation: 90-77=13 Exploring Operation: 89-77=12, Resulting Numbers: [90, 18, 12] Generated Node #0,2: 15:[90, 18, 12] Operation: 89-77=12 Moving to Node #0,0 Current State: 15:[77, 18, 1], Operations: ['90-89=1'] Exploring Operation: 18-1=17, Resulting Numbers: [77, 17] Generated Node #0,0,0: 15:[77, 17] Operation: 18-1=17 Exploring Operation: 77-1=76, Resulting Numbers: [18, 76] Generated Node #0,0,1: 15:[18, 76] Operation: 77-1=76 Exploring Operation: 77-18=59, Resulting Numbers: [1, 59] Generated Node #0,0,2: 15:[1, 59] Operation: 77-18=59 Moving to Node #0,1 Current State: 15:[89, 18, 13], Operations: ['90-77=13'] Exploring Operation: 89-13=76, Resulting Numbers: [18, 76] Generated Node #0,1,0: 15:[18, 76] Operation: 89-13=76 Exploring Operation: 18-13=5, Resulting Numbers: [89, 5] Generated Node #0,1,1: 15:[89, 5] Operation: 18-13=5 Exploring Operation: 89-18=71, Resulting Numbers: [13, 71] Generated Node #0,1,2: 15:[13, 71] Operation: 89-18=71 Moving to Node #0,2 Current State: 15:[90, 18, 12], Operations: ['89-77=12'] Exploring Operation: 90-12=78, Resulting Numbers: [18, 78] Generated Node #0,2,0: 15:[18, 78] Operation: 90-12=78 Exploring Operation: 90/18=5, Resulting Numbers: [12, 5] Generated Node #0,2,1: 15:[12, 5] Operation: 90/18=5 Exploring Operation: 90-18=72, Resulting Numbers: [12, 72] Generated Node #0,2,2: 15:[12, 72] Operation: 90-18=72 Moving to Node #0,2,1 Current State: 15:[12, 5], Operations: ['89-77=12', '90/18=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[1, 59], Operations: ['90-89=1', '77-18=59'] Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,15 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,15 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[13, 71], Operations: ['90-77=13', '89-18=71'] Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,15 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[12, 72], Operations: ['89-77=12', '90-18=72'] Exploring Operation: 12+72=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[18, 76], Operations: ['90-89=1', '77-1=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[18, 76], Operations: ['90-77=13', '89-13=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[77, 17], Operations: ['90-89=1', '18-1=17'] Exploring Operation: 77*17=1309, Resulting Numbers: [1309] 1309,15 unequal: No Solution Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[18, 78], Operations: ['89-77=12', '90-12=78'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 18+78=96, Resulting Numbers: [96] 96,15 unequal: No Solution Exploring Operation: 18*78=1404, Resulting Numbers: [1404] 1404,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[89, 5], Operations: ['90-77=13', '18-13=5'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,15 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,15 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 37, 23, 97, 89 ]
68
[ "37+23=60", "97-89=8", "60+8=68" ]
Current State: 68:[37, 23, 97, 89], Operations: [] Exploring Operation: 37+23=60, Resulting Numbers: [97, 89, 60] Generated Node #2: [97, 89, 60] from Operation: 37+23=60 Current State: 68:[97, 89, 60], Operations: ['37+23=60'] Exploring Operation: 97-89=8, Resulting Numbers: [60, 8] Generated Node #3: [60, 8] from Operation: 97-89=8 Current State: 68:[60, 8], Operations: ['37+23=60', '97-89=8'] Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[37, 23, 97, 89], Operations: [] Exploring Operation: 97-89=8, Resulting Numbers: [37, 23, 8] Generated Node #0,0: 68:[37, 23, 8] Operation: 97-89=8 Exploring Operation: 97-23=74, Resulting Numbers: [37, 89, 74] Generated Node #0,1: 68:[37, 89, 74] Operation: 97-23=74 Exploring Operation: 89-23=66, Resulting Numbers: [37, 97, 66] Generated Node #0,2: 68:[37, 97, 66] Operation: 89-23=66 Moving to Node #0,0 Current State: 68:[37, 23, 8], Operations: ['97-89=8'] Exploring Operation: 23-8=15, Resulting Numbers: [37, 15] Generated Node #0,0,0: 68:[37, 15] Operation: 23-8=15 Exploring Operation: 37-23=14, Resulting Numbers: [8, 14] Generated Node #0,0,1: 68:[8, 14] Operation: 37-23=14 Exploring Operation: 23+8=31, Resulting Numbers: [37, 31] Generated Node #0,0,2: 68:[37, 31] Operation: 23+8=31 Moving to Node #0,1 Current State: 68:[37, 89, 74], Operations: ['97-23=74'] Exploring Operation: 89-37=52, Resulting Numbers: [74, 52] Generated Node #0,1,0: 68:[74, 52] Operation: 89-37=52 Exploring Operation: 89-74=15, Resulting Numbers: [37, 15] Generated Node #0,1,1: 68:[37, 15] Operation: 89-74=15 Exploring Operation: 74/37=2, Resulting Numbers: [89, 2] Generated Node #0,1,2: 68:[89, 2] Operation: 74/37=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[37, 15], Operations: ['97-23=74', '89-74=15'] Exploring Operation: 37*15=555, Resulting Numbers: [555] 555,68 unequal: No Solution Exploring Operation: 37+15=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[89, 2], Operations: ['97-23=74', '74/37=2'] Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,68 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,68 unequal: No Solution Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[74, 52], Operations: ['97-23=74', '89-37=52'] Exploring Operation: 74*52=3848, Resulting Numbers: [3848] 3848,68 unequal: No Solution Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,68 unequal: No Solution Exploring Operation: 74+52=126, Resulting Numbers: [126] 126,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 68:[37, 97, 66], Operations: ['89-23=66'] Exploring Operation: 97-66=31, Resulting Numbers: [37, 31] Generated Node #0,2,0: 68:[37, 31] Operation: 97-66=31 Exploring Operation: 97-37=60, Resulting Numbers: [66, 60] Generated Node #0,2,1: 68:[66, 60] Operation: 97-37=60 Exploring Operation: 66-37=29, Resulting Numbers: [97, 29] Generated Node #0,2,2: 68:[97, 29] Operation: 66-37=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[37, 31], Operations: ['89-23=66', '97-66=31'] Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[37, 23, 97, 89], Operations: [] Exploring Operation: 89-23=66, Resulting Numbers: [37, 97, 66] Generated Node #0,2: 68:[37, 97, 66] Operation: 89-23=66 Moving to Node #0,2 Current State: 68:[37, 97, 66], Operations: ['89-23=66'] Exploring Operation: 97-66=31, Resulting Numbers: [37, 31] Generated Node #0,2,0: 68:[37, 31] Operation: 97-66=31 Moving to Node #0,2,0 Current State: 68:[37, 31], Operations: ['89-23=66', '97-66=31'] Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 70, 73, 41, 12 ]
26
[ "73-70=3", "41-12=29", "29-3=26" ]
Current State: 26:[70, 73, 41, 12], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [41, 12, 3] Generated Node #2: [41, 12, 3] from Operation: 73-70=3 Current State: 26:[41, 12, 3], Operations: ['73-70=3'] Exploring Operation: 41-12=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 41-12=29 Current State: 26:[3, 29], Operations: ['73-70=3', '41-12=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[70, 73, 41, 12], Operations: [] Exploring Operation: 70-41=29, Resulting Numbers: [73, 12, 29] Generated Node #0,0: 26:[73, 12, 29] Operation: 70-41=29 Exploring Operation: 70-12=58, Resulting Numbers: [73, 41, 58] Generated Node #0,1: 26:[73, 41, 58] Operation: 70-12=58 Exploring Operation: 73-41=32, Resulting Numbers: [70, 12, 32] Generated Node #0,2: 26:[70, 12, 32] Operation: 73-41=32 Exploring Operation: 73-70=3, Resulting Numbers: [41, 12, 3] Generated Node #0,3: 26:[41, 12, 3] Operation: 73-70=3 Moving to Node #0,3 Current State: 26:[41, 12, 3], Operations: ['73-70=3'] Exploring Operation: 12/3=4, Resulting Numbers: [41, 4] Generated Node #0,3,0: 26:[41, 4] Operation: 12/3=4 Exploring Operation: 41-12=29, Resulting Numbers: [3, 29] Generated Node #0,3,1: 26:[3, 29] Operation: 41-12=29 Exploring Operation: 12+3=15, Resulting Numbers: [41, 15] Generated Node #0,3,2: 26:[41, 15] Operation: 12+3=15 Exploring Operation: 41-3=38, Resulting Numbers: [12, 38] Generated Node #0,3,3: 26:[12, 38] Operation: 41-3=38 Moving to Node #0,2 Current State: 26:[70, 12, 32], Operations: ['73-41=32'] Exploring Operation: 70-32=38, Resulting Numbers: [12, 38] Generated Node #0,2,0: 26:[12, 38] Operation: 70-32=38 Exploring Operation: 32-12=20, Resulting Numbers: [70, 20] Generated Node #0,2,1: 26:[70, 20] Operation: 32-12=20 Exploring Operation: 70+12=82, Resulting Numbers: [32, 82] Generated Node #0,2,2: 26:[32, 82] Operation: 70+12=82 Exploring Operation: 70-12=58, Resulting Numbers: [32, 58] Generated Node #0,2,3: 26:[32, 58] Operation: 70-12=58 Moving to Node #0,0 Current State: 26:[73, 12, 29], Operations: ['70-41=29'] Exploring Operation: 29-12=17, Resulting Numbers: [73, 17] Generated Node #0,0,0: 26:[73, 17] Operation: 29-12=17 Exploring Operation: 73-29=44, Resulting Numbers: [12, 44] Generated Node #0,0,1: 26:[12, 44] Operation: 73-29=44 Exploring Operation: 73+12=85, Resulting Numbers: [29, 85] Generated Node #0,0,2: 26:[29, 85] Operation: 73+12=85 Exploring Operation: 73-12=61, Resulting Numbers: [29, 61] Generated Node #0,0,3: 26:[29, 61] Operation: 73-12=61 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[12, 44], Operations: ['70-41=29', '73-29=44'] Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,26 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,26 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 #0,0,3 Current State: 26:[29, 61], Operations: ['70-41=29', '73-12=61'] Exploring Operation: 29*61=1769, Resulting Numbers: [1769] 1769,26 unequal: No Solution Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 29+61=90, Resulting Numbers: [90] 90,26 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 #0,0,0 Current State: 26:[73, 17], Operations: ['70-41=29', '29-12=17'] Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 73*17=1241, Resulting Numbers: [1241] 1241,26 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,26 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 #0,0,2 Current State: 26:[29, 85], Operations: ['70-41=29', '73+12=85'] Exploring Operation: 29+85=114, Resulting Numbers: [114] 114,26 unequal: No Solution Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 29*85=2465, Resulting Numbers: [2465] 2465,26 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:[73, 41, 58], Operations: ['70-12=58'] Exploring Operation: 58-41=17, Resulting Numbers: [73, 17] Generated Node #0,1,0: 26:[73, 17] Operation: 58-41=17 Exploring Operation: 73+41=114, Resulting Numbers: [58, 114] Generated Node #0,1,1: 26:[58, 114] Operation: 73+41=114 Exploring Operation: 73-41=32, Resulting Numbers: [58, 32] Generated Node #0,1,2: 26:[58, 32] Operation: 73-41=32 Exploring Operation: 73-58=15, Resulting Numbers: [41, 15] Generated Node #0,1,3: 26:[41, 15] Operation: 73-58=15 Moving to Node #0,3,1 Current State: 26:[3, 29], Operations: ['73-70=3', '41-12=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,26 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[70, 73, 41, 12], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [41, 12, 3] Generated Node #0,3: 26:[41, 12, 3] Operation: 73-70=3 Moving to Node #0,3 Current State: 26:[41, 12, 3], Operations: ['73-70=3'] Exploring Operation: 41-12=29, Resulting Numbers: [3, 29] Generated Node #0,3,1: 26:[3, 29] Operation: 41-12=29 Moving to Node #0,3,1 Current State: 26:[3, 29], Operations: ['73-70=3', '41-12=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 32, 19, 48, 16 ]
55
[ "19*48=912", "912-32=880", "880/16=55" ]
Current State: 55:[32, 19, 48, 16], Operations: [] Exploring Operation: 19*48=912, Resulting Numbers: [32, 16, 912] Generated Node #2: [32, 16, 912] from Operation: 19*48=912 Current State: 55:[32, 16, 912], Operations: ['19*48=912'] Exploring Operation: 912-32=880, Resulting Numbers: [16, 880] Generated Node #3: [16, 880] from Operation: 912-32=880 Current State: 55:[16, 880], Operations: ['19*48=912', '912-32=880'] Exploring Operation: 880/16=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[32, 19, 48, 16], Operations: [] Exploring Operation: 32-16=16, Resulting Numbers: [19, 48, 16] Generated Node #0,0: 55:[19, 48, 16] Operation: 32-16=16 Exploring Operation: 32-19=13, Resulting Numbers: [48, 16, 13] Generated Node #0,1: 55:[48, 16, 13] Operation: 32-19=13 Exploring Operation: 32+19=51, Resulting Numbers: [48, 16, 51] Generated Node #0,2: 55:[48, 16, 51] Operation: 32+19=51 Exploring Operation: 32/16=2, Resulting Numbers: [19, 48, 2] Generated Node #0,3: 55:[19, 48, 2] Operation: 32/16=2 Exploring Operation: 48-32=16, Resulting Numbers: [19, 16, 16] Generated Node #0,4: 55:[19, 16, 16] Operation: 48-32=16 Moving to Node #0,1 Current State: 55:[48, 16, 13], Operations: ['32-19=13'] Exploring Operation: 48-16=32, Resulting Numbers: [13, 32] Generated Node #0,1,0: 55:[13, 32] Operation: 48-16=32 Exploring Operation: 48+16=64, Resulting Numbers: [13, 64] Generated Node #0,1,1: 55:[13, 64] Operation: 48+16=64 Exploring Operation: 48/16=3, Resulting Numbers: [13, 3] Generated Node #0,1,2: 55:[13, 3] Operation: 48/16=3 Exploring Operation: 16-13=3, Resulting Numbers: [48, 3] Generated Node #0,1,3: 55:[48, 3] Operation: 16-13=3 Exploring Operation: 48+13=61, Resulting Numbers: [16, 61] Generated Node #0,1,4: 55:[16, 61] Operation: 48+13=61 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[13, 3], Operations: ['32-19=13', '48/16=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[48, 3], Operations: ['32-19=13', '16-13=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,55 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[13, 64], Operations: ['32-19=13', '48+16=64'] Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,55 unequal: No Solution Exploring Operation: 13*64=832, Resulting Numbers: [832] 832,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 55:[16, 61], Operations: ['32-19=13', '48+13=61'] Exploring Operation: 16*61=976, Resulting Numbers: [976] 976,55 unequal: No Solution Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,55 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[13, 32], Operations: ['32-19=13', '48-16=32'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 13*32=416, Resulting Numbers: [416] 416,55 unequal: No Solution Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,55 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:[48, 16, 51], Operations: ['32+19=51'] Exploring Operation: 48/16=3, Resulting Numbers: [51, 3] Generated Node #0,2,0: 55:[51, 3] Operation: 48/16=3 Exploring Operation: 48-16=32, Resulting Numbers: [51, 32] Generated Node #0,2,1: 55:[51, 32] Operation: 48-16=32 Exploring Operation: 51-48=3, Resulting Numbers: [16, 3] Generated Node #0,2,2: 55:[16, 3] Operation: 51-48=3 Exploring Operation: 16+51=67, Resulting Numbers: [48, 67] Generated Node #0,2,3: 55:[48, 67] Operation: 16+51=67 Exploring Operation: 48+16=64, Resulting Numbers: [51, 64] Generated Node #0,2,4: 55:[51, 64] Operation: 48+16=64 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[51, 3], Operations: ['32+19=51', '48/16=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,55 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,55 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:[16, 3], Operations: ['32+19=51', '51-48=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,55 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:[51, 64], Operations: ['32+19=51', '48+16=64'] Exploring Operation: 51+64=115, Resulting Numbers: [115] 115,55 unequal: No Solution Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 51*64=3264, Resulting Numbers: [3264] 3264,55 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 #0,2,3 Current State: 55:[48, 67], Operations: ['32+19=51', '16+51=67'] Exploring Operation: 48+67=115, Resulting Numbers: [115] 115,55 unequal: No Solution Exploring Operation: 48*67=3216, Resulting Numbers: [3216] 3216,55 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,55 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:[51, 32], Operations: ['32+19=51', '48-16=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,55 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,55 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,55 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:[19, 48, 2], Operations: ['32/16=2'] Exploring Operation: 48-2=46, Resulting Numbers: [19, 46] Generated Node #0,3,0: 55:[19, 46] Operation: 48-2=46 Exploring Operation: 19+48=67, Resulting Numbers: [2, 67] Generated Node #0,3,1: 55:[2, 67] Operation: 19+48=67 Exploring Operation: 19+2=21, Resulting Numbers: [48, 21] Generated Node #0,3,2: 55:[48, 21] Operation: 19+2=21 Exploring Operation: 48+2=50, Resulting Numbers: [19, 50] Generated Node #0,3,3: 55:[19, 50] Operation: 48+2=50 Exploring Operation: 19-2=17, Resulting Numbers: [48, 17] Generated Node #0,3,4: 55:[48, 17] Operation: 19-2=17 Moving to Node #0,4 Current State: 55:[19, 16, 16], Operations: ['48-32=16'] Exploring Operation: 19+16=35, Resulting Numbers: [16, 35] Generated Node #0,4,0: 55:[16, 35] Operation: 19+16=35 Exploring Operation: 19-16=3, Resulting Numbers: [16, 3] Generated Node #0,4,1: 55:[16, 3] Operation: 19-16=3 Exploring Operation: 19-16=3, Resulting Numbers: [16, 3] Generated Node #0,4,2: 55:[16, 3] Operation: 19-16=3 Exploring Operation: 16-16=0, Resulting Numbers: [19, 0] Generated Node #0,4,3: 55:[19, 0] Operation: 16-16=0 Exploring Operation: 16/16=1, Resulting Numbers: [19, 1] Generated Node #0,4,4: 55:[19, 1] Operation: 16/16=1 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 55:[16, 3], Operations: ['48-32=16', '19-16=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,55 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:[16, 3], Operations: ['48-32=16', '19-16=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,55 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 #0,4,4 Current State: 55:[19, 1], Operations: ['48-32=16', '16/16=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,55 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:[19, 0], Operations: ['48-32=16', '16-16=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 19*0=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 19-0=19, Resulting Numbers: [19] 19,55 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:[16, 35], Operations: ['48-32=16', '19+16=35'] Exploring Operation: 16*35=560, Resulting Numbers: [560] 560,55 unequal: No Solution Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,55 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: 55:[19, 48, 16], Operations: ['32-16=16'] Exploring Operation: 19-16=3, Resulting Numbers: [48, 3] Generated Node #0,0,0: 55:[48, 3] Operation: 19-16=3 Exploring Operation: 19+48=67, Resulting Numbers: [16, 67] Generated Node #0,0,1: 55:[16, 67] Operation: 19+48=67 Exploring Operation: 48+16=64, Resulting Numbers: [19, 64] Generated Node #0,0,2: 55:[19, 64] Operation: 48+16=64 Exploring Operation: 48/16=3, Resulting Numbers: [19, 3] Generated Node #0,0,3: 55:[19, 3] Operation: 48/16=3 Exploring Operation: 48-19=29, Resulting Numbers: [16, 29] Generated Node #0,0,4: 55:[16, 29] Operation: 48-19=29 Moving to Node #0,0,0 Current State: 55:[48, 3], Operations: ['32-16=16', '19-16=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,55 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[19, 3], Operations: ['32-16=16', '48/16=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[19, 50], Operations: ['32/16=2', '48+2=50'] Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,55 unequal: No Solution Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,55 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[48, 17], Operations: ['32/16=2', '19-2=17'] Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,55 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[2, 67], Operations: ['32/16=2', '19+48=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,55 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[19, 64], Operations: ['32-16=16', '48+16=64'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 19*64=1216, Resulting Numbers: [1216] 1216,55 unequal: No Solution Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[48, 21], Operations: ['32/16=2', '19+2=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,55 unequal: No Solution Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[19, 46], Operations: ['32/16=2', '48-2=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[16, 67], Operations: ['32-16=16', '19+48=67'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,55 unequal: No Solution Exploring Operation: 16*67=1072, Resulting Numbers: [1072] 1072,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[16, 29], Operations: ['32-16=16', '48-19=29'] Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,55 unequal: No Solution Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 9, 25, 61, 27 ]
14
[ "27/9=3", "25*3=75", "75-61=14" ]
Current State: 14:[9, 25, 61, 27], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [25, 61, 3] Generated Node #2: [25, 61, 3] from Operation: 27/9=3 Current State: 14:[25, 61, 3], Operations: ['27/9=3'] Exploring Operation: 25*3=75, Resulting Numbers: [61, 75] Generated Node #3: [61, 75] from Operation: 25*3=75 Current State: 14:[61, 75], Operations: ['27/9=3', '25*3=75'] Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[9, 25, 61, 27], Operations: [] Exploring Operation: 61-27=34, Resulting Numbers: [9, 25, 34] Generated Node #0,0: 14:[9, 25, 34] Operation: 61-27=34 Exploring Operation: 61-25=36, Resulting Numbers: [9, 27, 36] Generated Node #0,1: 14:[9, 27, 36] Operation: 61-25=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[9, 25, 34], Operations: ['61-27=34'] Exploring Operation: 25-9=16, Resulting Numbers: [34, 16] Generated Node #0,0,0: 14:[34, 16] Operation: 25-9=16 Exploring Operation: 34-25=9, Resulting Numbers: [9, 9] Generated Node #0,0,1: 14:[9, 9] Operation: 34-25=9 Moving to Node #0,0,1 Current State: 14:[9, 9], Operations: ['61-27=34', '34-25=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[34, 16], Operations: ['61-27=34', '25-9=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[9, 27, 36], Operations: ['61-25=36'] Exploring Operation: 36/9=4, Resulting Numbers: [27, 4] Generated Node #0,1,0: 14:[27, 4] Operation: 36/9=4 Exploring Operation: 36-27=9, Resulting Numbers: [9, 9] Generated Node #0,1,1: 14:[9, 9] Operation: 36-27=9 Moving to Node #0,1,1 Current State: 14:[9, 9], Operations: ['61-25=36', '36-27=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[27, 4], Operations: ['61-25=36', '36/9=4'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,14 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,14 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
[ 35, 45, 30, 93 ]
87
[ "93-35=58", "45*58=2610", "2610/30=87" ]
Current State: 87:[35, 45, 30, 93], Operations: [] Exploring Operation: 93-35=58, Resulting Numbers: [45, 30, 58] Generated Node #2: [45, 30, 58] from Operation: 93-35=58 Current State: 87:[45, 30, 58], Operations: ['93-35=58'] Exploring Operation: 45*58=2610, Resulting Numbers: [30, 2610] Generated Node #3: [30, 2610] from Operation: 45*58=2610 Current State: 87:[30, 2610], Operations: ['93-35=58', '45*58=2610'] Exploring Operation: 2610/30=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[35, 45, 30, 93], Operations: [] Exploring Operation: 35+45=80, Resulting Numbers: [30, 93, 80] Generated Node #0,0: 87:[30, 93, 80] Operation: 35+45=80 Exploring Operation: 35-30=5, Resulting Numbers: [45, 93, 5] Generated Node #0,1: 87:[45, 93, 5] Operation: 35-30=5 Exploring Operation: 45-35=10, Resulting Numbers: [30, 93, 10] Generated Node #0,2: 87:[30, 93, 10] Operation: 45-35=10 Exploring Operation: 45+30=75, Resulting Numbers: [35, 93, 75] Generated Node #0,3: 87:[35, 93, 75] Operation: 45+30=75 Exploring Operation: 45-30=15, Resulting Numbers: [35, 93, 15] Generated Node #0,4: 87:[35, 93, 15] Operation: 45-30=15 Moving to Node #0,0 Current State: 87:[30, 93, 80], Operations: ['35+45=80'] Exploring Operation: 80-30=50, Resulting Numbers: [93, 50] Generated Node #0,0,0: 87:[93, 50] Operation: 80-30=50 Exploring Operation: 30+80=110, Resulting Numbers: [93, 110] Generated Node #0,0,1: 87:[93, 110] Operation: 30+80=110 Exploring Operation: 30+93=123, Resulting Numbers: [80, 123] Generated Node #0,0,2: 87:[80, 123] Operation: 30+93=123 Exploring Operation: 93-30=63, Resulting Numbers: [80, 63] Generated Node #0,0,3: 87:[80, 63] Operation: 93-30=63 Exploring Operation: 93-80=13, Resulting Numbers: [30, 13] Generated Node #0,0,4: 87:[30, 13] Operation: 93-80=13 Moving to Node #0,2 Current State: 87:[30, 93, 10], Operations: ['45-35=10'] Exploring Operation: 93+10=103, Resulting Numbers: [30, 103] Generated Node #0,2,0: 87:[30, 103] Operation: 93+10=103 Exploring Operation: 30-10=20, Resulting Numbers: [93, 20] Generated Node #0,2,1: 87:[93, 20] Operation: 30-10=20 Exploring Operation: 93-10=83, Resulting Numbers: [30, 83] Generated Node #0,2,2: 87:[30, 83] Operation: 93-10=83 Exploring Operation: 30+10=40, Resulting Numbers: [93, 40] Generated Node #0,2,3: 87:[93, 40] Operation: 30+10=40 Exploring Operation: 30/10=3, Resulting Numbers: [93, 3] Generated Node #0,2,4: 87:[93, 3] Operation: 30/10=3 Moving to Node #0,1 Current State: 87:[45, 93, 5], Operations: ['35-30=5'] Exploring Operation: 93-45=48, Resulting Numbers: [5, 48] Generated Node #0,1,0: 87:[5, 48] Operation: 93-45=48 Exploring Operation: 93-5=88, Resulting Numbers: [45, 88] Generated Node #0,1,1: 87:[45, 88] Operation: 93-5=88 Exploring Operation: 45-5=40, Resulting Numbers: [93, 40] Generated Node #0,1,2: 87:[93, 40] Operation: 45-5=40 Exploring Operation: 45/5=9, Resulting Numbers: [93, 9] Generated Node #0,1,3: 87:[93, 9] Operation: 45/5=9 Exploring Operation: 45+5=50, Resulting Numbers: [93, 50] Generated Node #0,1,4: 87:[93, 50] Operation: 45+5=50 Moving to Node #0,3 Current State: 87:[35, 93, 75], Operations: ['45+30=75'] Exploring Operation: 93-35=58, Resulting Numbers: [75, 58] Generated Node #0,3,0: 87:[75, 58] Operation: 93-35=58 Exploring Operation: 35+75=110, Resulting Numbers: [93, 110] Generated Node #0,3,1: 87:[93, 110] Operation: 35+75=110 Exploring Operation: 93-75=18, Resulting Numbers: [35, 18] Generated Node #0,3,2: 87:[35, 18] Operation: 93-75=18 Exploring Operation: 35+93=128, Resulting Numbers: [75, 128] Generated Node #0,3,3: 87:[75, 128] Operation: 35+93=128 Exploring Operation: 75-35=40, Resulting Numbers: [93, 40] Generated Node #0,3,4: 87:[93, 40] Operation: 75-35=40 Moving to Node #0,4 Current State: 87:[35, 93, 15], Operations: ['45-30=15'] Exploring Operation: 93-35=58, Resulting Numbers: [15, 58] Generated Node #0,4,0: 87:[15, 58] Operation: 93-35=58 Exploring Operation: 35+15=50, Resulting Numbers: [93, 50] Generated Node #0,4,1: 87:[93, 50] Operation: 35+15=50 Exploring Operation: 93+15=108, Resulting Numbers: [35, 108] Generated Node #0,4,2: 87:[35, 108] Operation: 93+15=108 Exploring Operation: 93-15=78, Resulting Numbers: [35, 78] Generated Node #0,4,3: 87:[35, 78] Operation: 93-15=78 Exploring Operation: 35-15=20, Resulting Numbers: [93, 20] Generated Node #0,4,4: 87:[93, 20] Operation: 35-15=20 Moving to Node #0,2,2 Current State: 87:[30, 83], Operations: ['45-35=10', '93-10=83'] Exploring Operation: 30*83=2490, Resulting Numbers: [2490] 2490,87 unequal: No Solution Exploring Operation: 30+83=113, Resulting Numbers: [113] 113,87 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,87 unequal: No Solution Moving to Node #0,2,4 Current State: 87:[93, 3], Operations: ['45-35=10', '30/10=3'] Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,87 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Moving to Node #0,0,4 Current State: 87:[30, 13], Operations: ['35+45=80', '93-80=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[93, 9], Operations: ['35-30=5', '45/5=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,87 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,87 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[93, 20], Operations: ['45-35=10', '30-10=20'] Exploring Operation: 93*20=1860, Resulting Numbers: [1860] 1860,87 unequal: No Solution Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,87 unequal: No Solution Exploring Operation: 93+20=113, Resulting Numbers: [113] 113,87 unequal: No Solution Moving to Node #0,4,4 Current State: 87:[93, 20], Operations: ['45-30=15', '35-15=20'] Exploring Operation: 93+20=113, Resulting Numbers: [113] 113,87 unequal: No Solution Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,87 unequal: No Solution Exploring Operation: 93*20=1860, Resulting Numbers: [1860] 1860,87 unequal: No Solution Moving to Node #0,4,3 Current State: 87:[35, 78], Operations: ['45-30=15', '93-15=78'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 35*78=2730, Resulting Numbers: [2730] 2730,87 unequal: No Solution Exploring Operation: 35+78=113, Resulting Numbers: [113] 113,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[45, 88], Operations: ['35-30=5', '93-5=88'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 45*88=3960, Resulting Numbers: [3960] 3960,87 unequal: No Solution Exploring Operation: 45+88=133, Resulting Numbers: [133] 133,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[93, 40], Operations: ['35-30=5', '45-5=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,87 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[93, 40], Operations: ['45-35=10', '30+10=40'] Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,87 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,87 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[30, 103], Operations: ['45-35=10', '93+10=103'] Exploring Operation: 30*103=3090, Resulting Numbers: [3090] 3090,87 unequal: No Solution Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,87 unequal: No Solution Exploring Operation: 30+103=133, Resulting Numbers: [133] 133,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[35, 18], Operations: ['45+30=75', '93-75=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 35+18=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,87 unequal: No Solution Moving to Node #0,3,4 Current State: 87:[93, 40], Operations: ['45+30=75', '75-35=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,87 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[5, 48], Operations: ['35-30=5', '93-45=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,87 unequal: No Solution Moving to Node #0,1,4 Current State: 87:[93, 50], Operations: ['35-30=5', '45+5=50'] Exploring Operation: 93*50=4650, Resulting Numbers: [4650] 4650,87 unequal: No Solution Exploring Operation: 93-50=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 93+50=143, Resulting Numbers: [143] 143,87 unequal: No Solution Moving to Node #0,4,2 Current State: 87:[35, 108], Operations: ['45-30=15', '93+15=108'] Exploring Operation: 108-35=73, Resulting Numbers: [73] 73,87 unequal: No Solution Exploring Operation: 35*108=3780, Resulting Numbers: [3780] 3780,87 unequal: No Solution Exploring Operation: 35+108=143, Resulting Numbers: [143] 143,87 unequal: No Solution Moving to Node #0,4,1 Current State: 87:[93, 50], Operations: ['45-30=15', '35+15=50'] Exploring Operation: 93+50=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 93-50=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 93*50=4650, Resulting Numbers: [4650] 4650,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[93, 50], Operations: ['35+45=80', '80-30=50'] Exploring Operation: 93-50=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 93+50=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 93*50=4650, Resulting Numbers: [4650] 4650,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[93, 110], Operations: ['35+45=80', '30+80=110'] Exploring Operation: 93*110=10230, Resulting Numbers: [10230] 10230,87 unequal: No Solution Exploring Operation: 93+110=203, Resulting Numbers: [203] 203,87 unequal: No Solution Exploring Operation: 110-93=17, Resulting Numbers: [17] 17,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[93, 110], Operations: ['45+30=75', '35+75=110'] Exploring Operation: 110-93=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 93*110=10230, Resulting Numbers: [10230] 10230,87 unequal: No Solution Exploring Operation: 93+110=203, Resulting Numbers: [203] 203,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[80, 63], Operations: ['35+45=80', '93-30=63'] Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[75, 58], Operations: ['45+30=75', '93-35=58'] Exploring Operation: 75*58=4350, Resulting Numbers: [4350] 4350,87 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,87 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,87 unequal: No Solution Moving to Node #0,4,0 Current State: 87:[15, 58], Operations: ['45-30=15', '93-35=58'] Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,87 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,87 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[80, 123], Operations: ['35+45=80', '30+93=123'] Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,87 unequal: No Solution Exploring Operation: 80*123=9840, Resulting Numbers: [9840] 9840,87 unequal: No Solution Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[75, 128], Operations: ['45+30=75', '35+93=128'] Exploring Operation: 128-75=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 75+128=203, Resulting Numbers: [203] 203,87 unequal: No Solution Exploring Operation: 75*128=9600, Resulting Numbers: [9600] 9600,87 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 48, 10, 32, 68 ]
83
[ "48*10=480", "480/32=15", "68+15=83" ]
Current State: 83:[48, 10, 32, 68], Operations: [] Exploring Operation: 48*10=480, Resulting Numbers: [32, 68, 480] Generated Node #2: [32, 68, 480] from Operation: 48*10=480 Current State: 83:[32, 68, 480], Operations: ['48*10=480'] Exploring Operation: 480/32=15, Resulting Numbers: [68, 15] Generated Node #3: [68, 15] from Operation: 480/32=15 Current State: 83:[68, 15], Operations: ['48*10=480', '480/32=15'] Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[48, 10, 32, 68], Operations: [] Exploring Operation: 48+10=58, Resulting Numbers: [32, 68, 58] Generated Node #0,0: 83:[32, 68, 58] Operation: 48+10=58 Exploring Operation: 10+32=42, Resulting Numbers: [48, 68, 42] Generated Node #0,1: 83:[48, 68, 42] Operation: 10+32=42 Exploring Operation: 10+68=78, Resulting Numbers: [48, 32, 78] Generated Node #0,2: 83:[48, 32, 78] Operation: 10+68=78 Exploring Operation: 48+32=80, Resulting Numbers: [10, 68, 80] Generated Node #0,3: 83:[10, 68, 80] Operation: 48+32=80 Moving to Node #0,0 Current State: 83:[32, 68, 58], Operations: ['48+10=58'] Exploring Operation: 32+58=90, Resulting Numbers: [68, 90] Generated Node #0,0,0: 83:[68, 90] Operation: 32+58=90 Exploring Operation: 58-32=26, Resulting Numbers: [68, 26] Generated Node #0,0,1: 83:[68, 26] Operation: 58-32=26 Exploring Operation: 68-32=36, Resulting Numbers: [58, 36] Generated Node #0,0,2: 83:[58, 36] Operation: 68-32=36 Exploring Operation: 32+68=100, Resulting Numbers: [58, 100] Generated Node #0,0,3: 83:[58, 100] Operation: 32+68=100 Moving to Node #0,2 Current State: 83:[48, 32, 78], Operations: ['10+68=78'] Exploring Operation: 48-32=16, Resulting Numbers: [78, 16] Generated Node #0,2,0: 83:[78, 16] Operation: 48-32=16 Exploring Operation: 48+32=80, Resulting Numbers: [78, 80] Generated Node #0,2,1: 83:[78, 80] Operation: 48+32=80 Exploring Operation: 78-32=46, Resulting Numbers: [48, 46] Generated Node #0,2,2: 83:[48, 46] Operation: 78-32=46 Exploring Operation: 32+78=110, Resulting Numbers: [48, 110] Generated Node #0,2,3: 83:[48, 110] Operation: 32+78=110 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[78, 80], Operations: ['10+68=78', '48+32=80'] Exploring Operation: 78+80=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 78*80=6240, Resulting Numbers: [6240] 6240,83 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[48, 110], Operations: ['10+68=78', '32+78=110'] Exploring Operation: 48+110=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 48*110=5280, Resulting Numbers: [5280] 5280,83 unequal: No Solution Exploring Operation: 110-48=62, Resulting Numbers: [62] 62,83 unequal: No Solution No 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: 83:[78, 16], Operations: ['10+68=78', '48-32=16'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,83 unequal: No Solution No 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: 83:[48, 46], Operations: ['10+68=78', '78-32=46'] Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,83 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,83 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: 83:[48, 68, 42], Operations: ['10+32=42'] Exploring Operation: 48+42=90, Resulting Numbers: [68, 90] Generated Node #0,1,0: 83:[68, 90] Operation: 48+42=90 Exploring Operation: 68+42=110, Resulting Numbers: [48, 110] Generated Node #0,1,1: 83:[48, 110] Operation: 68+42=110 Exploring Operation: 48+68=116, Resulting Numbers: [42, 116] Generated Node #0,1,2: 83:[42, 116] Operation: 48+68=116 Exploring Operation: 48-42=6, Resulting Numbers: [68, 6] Generated Node #0,1,3: 83:[68, 6] Operation: 48-42=6 Moving to Node #0,3 Current State: 83:[10, 68, 80], Operations: ['48+32=80'] Exploring Operation: 10+68=78, Resulting Numbers: [80, 78] Generated Node #0,3,0: 83:[80, 78] Operation: 10+68=78 Exploring Operation: 10+80=90, Resulting Numbers: [68, 90] Generated Node #0,3,1: 83:[68, 90] Operation: 10+80=90 Exploring Operation: 68-10=58, Resulting Numbers: [80, 58] Generated Node #0,3,2: 83:[80, 58] Operation: 68-10=58 Exploring Operation: 80-10=70, Resulting Numbers: [68, 70] Generated Node #0,3,3: 83:[68, 70] Operation: 80-10=70 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[80, 78], Operations: ['48+32=80', '10+68=78'] Exploring Operation: 80*78=6240, Resulting Numbers: [6240] 6240,83 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 80+78=158, Resulting Numbers: [158] 158,83 unequal: No Solution No 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: 83:[68, 90], Operations: ['48+32=80', '10+80=90'] Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,83 unequal: No Solution No 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: 83:[80, 58], Operations: ['48+32=80', '68-10=58'] Exploring Operation: 80+58=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 80*58=4640, Resulting Numbers: [4640] 4640,83 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,83 unequal: No Solution No 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: 83:[68, 70], Operations: ['48+32=80', '80-10=70'] Exploring Operation: 68*70=4760, Resulting Numbers: [4760] 4760,83 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 68+70=138, Resulting Numbers: [138] 138,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 83:[68, 90], Operations: ['48+10=58', '32+58=90'] Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[68, 90], Operations: ['10+32=42', '48+42=90'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[58, 100], Operations: ['48+10=58', '32+68=100'] Exploring Operation: 100-58=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 58*100=5800, Resulting Numbers: [5800] 5800,83 unequal: No Solution Exploring Operation: 58+100=158, Resulting Numbers: [158] 158,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[48, 110], Operations: ['10+32=42', '68+42=110'] Exploring Operation: 48*110=5280, Resulting Numbers: [5280] 5280,83 unequal: No Solution Exploring Operation: 110-48=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 48+110=158, Resulting Numbers: [158] 158,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[68, 26], Operations: ['48+10=58', '58-32=26'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[58, 36], Operations: ['48+10=58', '68-32=36'] Exploring Operation: 58+36=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 58*36=2088, Resulting Numbers: [2088] 2088,83 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[42, 116], Operations: ['10+32=42', '48+68=116'] Exploring Operation: 42+116=158, Resulting Numbers: [158] 158,83 unequal: No Solution Exploring Operation: 42*116=4872, Resulting Numbers: [4872] 4872,83 unequal: No Solution Exploring Operation: 116-42=74, Resulting Numbers: [74] 74,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[68, 6], Operations: ['10+32=42', '48-42=6'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,83 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 64, 5, 11, 16 ]
75
[ "64/16=4", "11+4=15", "5*15=75" ]
Current State: 75:[64, 5, 11, 16], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [5, 11, 4] Generated Node #2: [5, 11, 4] from Operation: 64/16=4 Current State: 75:[5, 11, 4], Operations: ['64/16=4'] Exploring Operation: 11+4=15, Resulting Numbers: [5, 15] Generated Node #3: [5, 15] from Operation: 11+4=15 Current State: 75:[5, 15], Operations: ['64/16=4', '11+4=15'] Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[64, 5, 11, 16], Operations: [] Exploring Operation: 64+11=75, Resulting Numbers: [5, 16, 75] Generated Node #0,0: 75:[5, 16, 75] Operation: 64+11=75 Moving to Node #0,0 Current State: 75:[5, 16, 75], Operations: ['64+11=75'] Exploring Operation: 75/5=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 75:[16, 15] Operation: 75/5=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[16, 15], Operations: ['64+11=75', '75/5=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,75 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
[ 6, 56, 17, 65 ]
11
[ "17-6=11", "56+65=121", "121/11=11" ]
Current State: 11:[6, 56, 17, 65], Operations: [] Exploring Operation: 17-6=11, Resulting Numbers: [56, 65, 11] Generated Node #2: [56, 65, 11] from Operation: 17-6=11 Current State: 11:[56, 65, 11], Operations: ['17-6=11'] Exploring Operation: 56+65=121, Resulting Numbers: [11, 121] Generated Node #3: [11, 121] from Operation: 56+65=121 Current State: 11:[11, 121], Operations: ['17-6=11', '56+65=121'] Exploring Operation: 121/11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[6, 56, 17, 65], Operations: [] Exploring Operation: 65-56=9, Resulting Numbers: [6, 17, 9] Generated Node #0,0: 11:[6, 17, 9] Operation: 65-56=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[6, 17, 9], Operations: ['65-56=9'] Exploring Operation: 17-6=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 11:[9, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[9, 11], Operations: ['65-56=9', '17-6=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,11 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
sum_heuristic
[ 86, 68, 77, 26 ]
28
[ "86+68=154", "154/77=2", "26+2=28" ]
Current State: 28:[86, 68, 77, 26], Operations: [] Exploring Operation: 86+68=154, Resulting Numbers: [77, 26, 154] Generated Node #2: [77, 26, 154] from Operation: 86+68=154 Current State: 28:[77, 26, 154], Operations: ['86+68=154'] Exploring Operation: 154/77=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 154/77=2 Current State: 28:[26, 2], Operations: ['86+68=154', '154/77=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[86, 68, 77, 26], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [77, 26, 18] Generated Node #0,0: 28:[77, 26, 18] Operation: 86-68=18 Exploring Operation: 86-77=9, Resulting Numbers: [68, 26, 9] Generated Node #0,1: 28:[68, 26, 9] Operation: 86-77=9 Exploring Operation: 77-68=9, Resulting Numbers: [86, 26, 9] Generated Node #0,2: 28:[86, 26, 9] Operation: 77-68=9 Moving to Node #0,1 Current State: 28:[68, 26, 9], Operations: ['86-77=9'] Exploring Operation: 68-26=42, Resulting Numbers: [9, 42] Generated Node #0,1,0: 28:[9, 42] Operation: 68-26=42 Exploring Operation: 26-9=17, Resulting Numbers: [68, 17] Generated Node #0,1,1: 28:[68, 17] Operation: 26-9=17 Exploring Operation: 68-9=59, Resulting Numbers: [26, 59] Generated Node #0,1,2: 28:[26, 59] Operation: 68-9=59 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[9, 42], Operations: ['86-77=9', '68-26=42'] Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,28 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,28 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 #0,1,2 Current State: 28:[26, 59], Operations: ['86-77=9', '68-9=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,28 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 #0,1,1 Current State: 28:[68, 17], Operations: ['86-77=9', '26-9=17'] Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,28 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: 28:[77, 26, 18], Operations: ['86-68=18'] Exploring Operation: 77-18=59, Resulting Numbers: [26, 59] Generated Node #0,0,0: 28:[26, 59] Operation: 77-18=59 Exploring Operation: 26-18=8, Resulting Numbers: [77, 8] Generated Node #0,0,1: 28:[77, 8] Operation: 26-18=8 Exploring Operation: 77-26=51, Resulting Numbers: [18, 51] Generated Node #0,0,2: 28:[18, 51] Operation: 77-26=51 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[18, 51], Operations: ['86-68=18', '77-26=51'] Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,28 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,28 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 #0,0,0 Current State: 28:[26, 59], Operations: ['86-68=18', '77-18=59'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,28 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,28 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 #0,0,1 Current State: 28:[77, 8], Operations: ['86-68=18', '26-18=8'] Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,28 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,28 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: 28:[86, 26, 9], Operations: ['77-68=9'] Exploring Operation: 86-9=77, Resulting Numbers: [26, 77] Generated Node #0,2,0: 28:[26, 77] Operation: 86-9=77 Exploring Operation: 86-26=60, Resulting Numbers: [9, 60] Generated Node #0,2,1: 28:[9, 60] Operation: 86-26=60 Exploring Operation: 26-9=17, Resulting Numbers: [86, 17] Generated Node #0,2,2: 28:[86, 17] Operation: 26-9=17 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[9, 60], Operations: ['77-68=9', '86-26=60'] Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,28 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,28 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 #0,2,0 Current State: 28:[26, 77], Operations: ['77-68=9', '86-9=77'] Exploring Operation: 26+77=103, Resulting Numbers: [103] 103,28 unequal: No Solution Exploring Operation: 26*77=2002, Resulting Numbers: [2002] 2002,28 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,28 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 #0,2,2 Current State: 28:[86, 17], Operations: ['77-68=9', '26-9=17'] Exploring Operation: 86+17=103, Resulting Numbers: [103] 103,28 unequal: No Solution Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 86*17=1462, Resulting Numbers: [1462] 1462,28 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
[ 80, 71, 10, 80 ]
80
[ "80-71=9", "10-9=1", "80*1=80" ]
Current State: 80:[80, 71, 10, 80], Operations: [] Exploring Operation: 80-71=9, Resulting Numbers: [10, 9] Generated Node #2: [10, 9] from Operation: 80-71=9 Current State: 80:[10, 9], Operations: ['80-71=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,80 equal: Goal Reached Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[80, 71, 10, 80], Operations: [] Exploring Operation: 71+10=81, Resulting Numbers: [80, 80, 81] Generated Node #0,0: 80:[80, 80, 81] Operation: 71+10=81 Exploring Operation: 80-71=9, Resulting Numbers: [80, 10, 9] Generated Node #0,1: 80:[80, 10, 9] Operation: 80-71=9 Exploring Operation: 80/10=8, Resulting Numbers: [71, 80, 8] Generated Node #0,2: 80:[71, 80, 8] Operation: 80/10=8 Exploring Operation: 80-71=9, Resulting Numbers: [10, 80, 9] Generated Node #0,3: 80:[10, 80, 9] Operation: 80-71=9 Exploring Operation: 80/10=8, Resulting Numbers: [80, 71, 8] Generated Node #0,4: 80:[80, 71, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[80, 80, 81], Operations: ['71+10=81'] Exploring Operation: 80-80=0, Resulting Numbers: [81, 0] Generated Node #0,0,0: 80:[81, 0] Operation: 80-80=0 Exploring Operation: 81-80=1, Resulting Numbers: [80, 1] Generated Node #0,0,1: 80:[80, 1] Operation: 81-80=1 Exploring Operation: 80/80=1, Resulting Numbers: [81, 1] Generated Node #0,0,2: 80:[81, 1] Operation: 80/80=1 Exploring Operation: 81-80=1, Resulting Numbers: [80, 1] Generated Node #0,0,3: 80:[80, 1] Operation: 81-80=1 Exploring Operation: 80+80=160, Resulting Numbers: [81, 160] Generated Node #0,0,4: 80:[81, 160] Operation: 80+80=160 Moving to Node #0,0,1 Current State: 80:[80, 1], Operations: ['71+10=81', '81-80=1'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[80, 71, 10, 80], Operations: [] Exploring Operation: 71+10=81, Resulting Numbers: [80, 80, 81] Generated Node #0,0: 80:[80, 80, 81] Operation: 71+10=81 Moving to Node #0,0 Current State: 80:[80, 80, 81], Operations: ['71+10=81'] Exploring Operation: 81-80=1, Resulting Numbers: [80, 1] Generated Node #0,0,1: 80:[80, 1] Operation: 81-80=1 Moving to Node #0,0,1 Current State: 80:[80, 1], Operations: ['71+10=81', '81-80=1'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 80, 6, 38, 48 ]
55
[ "80-38=42", "42/6=7", "48+7=55" ]
Current State: 55:[80, 6, 38, 48], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [6, 48, 42] Generated Node #2: [6, 48, 42] from Operation: 80-38=42 Current State: 55:[6, 48, 42], Operations: ['80-38=42'] Exploring Operation: 42/6=7, Resulting Numbers: [48, 7] Generated Node #3: [48, 7] from Operation: 42/6=7 Current State: 55:[48, 7], Operations: ['80-38=42', '42/6=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[80, 6, 38, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [80, 6, 10] Generated Node #0,0: 55:[80, 6, 10] Operation: 48-38=10 Exploring Operation: 80-38=42, Resulting Numbers: [6, 48, 42] Generated Node #0,1: 55:[6, 48, 42] Operation: 80-38=42 Exploring Operation: 80-48=32, Resulting Numbers: [6, 38, 32] Generated Node #0,2: 55:[6, 38, 32] Operation: 80-48=32 Moving to Node #0,1 Current State: 55:[6, 48, 42], Operations: ['80-38=42'] Exploring Operation: 6+48=54, Resulting Numbers: [42, 54] Generated Node #0,1,0: 55:[42, 54] Operation: 6+48=54 Exploring Operation: 42/6=7, Resulting Numbers: [48, 7] Generated Node #0,1,1: 55:[48, 7] Operation: 42/6=7 Exploring Operation: 48-42=6, Resulting Numbers: [6, 6] Generated Node #0,1,2: 55:[6, 6] Operation: 48-42=6 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[6, 6], Operations: ['80-38=42', '48-42=6'] Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[48, 7], Operations: ['80-38=42', '42/6=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,55 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[80, 6, 38, 48], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [6, 48, 42] Generated Node #0,1: 55:[6, 48, 42] Operation: 80-38=42 Moving to Node #0,1 Current State: 55:[6, 48, 42], Operations: ['80-38=42'] Exploring Operation: 42/6=7, Resulting Numbers: [48, 7] Generated Node #0,1,1: 55:[48, 7] Operation: 42/6=7 Moving to Node #0,1,1 Current State: 55:[48, 7], Operations: ['80-38=42', '42/6=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 15, 69, 66, 53 ]
97
[ "15+69=84", "66-53=13", "84+13=97" ]
Current State: 97:[15, 69, 66, 53], Operations: [] Exploring Operation: 15+69=84, Resulting Numbers: [66, 53, 84] Generated Node #2: [66, 53, 84] from Operation: 15+69=84 Current State: 97:[66, 53, 84], Operations: ['15+69=84'] Exploring Operation: 66-53=13, Resulting Numbers: [84, 13] Generated Node #3: [84, 13] from Operation: 66-53=13 Current State: 97:[84, 13], Operations: ['15+69=84', '66-53=13'] Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[15, 69, 66, 53], Operations: [] Exploring Operation: 15+69=84, Resulting Numbers: [66, 53, 84] Generated Node #0,0: 97:[66, 53, 84] Operation: 15+69=84 Exploring Operation: 15+66=81, Resulting Numbers: [69, 53, 81] Generated Node #0,1: 97:[69, 53, 81] Operation: 15+66=81 Exploring Operation: 15+53=68, Resulting Numbers: [69, 66, 68] Generated Node #0,2: 97:[69, 66, 68] Operation: 15+53=68 Exploring Operation: 69-15=54, Resulting Numbers: [66, 53, 54] Generated Node #0,3: 97:[66, 53, 54] Operation: 69-15=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[66, 53, 84], Operations: ['15+69=84'] Exploring Operation: 66+84=150, Resulting Numbers: [53, 150] Generated Node #0,0,0: 97:[53, 150] Operation: 66+84=150 Exploring Operation: 53+84=137, Resulting Numbers: [66, 137] Generated Node #0,0,1: 97:[66, 137] Operation: 53+84=137 Exploring Operation: 66+53=119, Resulting Numbers: [84, 119] Generated Node #0,0,2: 97:[84, 119] Operation: 66+53=119 Exploring Operation: 66-53=13, Resulting Numbers: [84, 13] Generated Node #0,0,3: 97:[84, 13] Operation: 66-53=13 Moving to Node #0,0,2 Current State: 97:[84, 119], Operations: ['15+69=84', '66+53=119'] Exploring Operation: 84+119=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 84*119=9996, Resulting Numbers: [9996] 9996,97 unequal: No Solution Exploring Operation: 119-84=35, Resulting Numbers: [35] 35,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[66, 137], Operations: ['15+69=84', '53+84=137'] Exploring Operation: 137-66=71, Resulting Numbers: [71] 71,97 unequal: No Solution Exploring Operation: 66+137=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 66*137=9042, Resulting Numbers: [9042] 9042,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[84, 13], Operations: ['15+69=84', '66-53=13'] Exploring Operation: 84*13=1092, Resulting Numbers: [1092] 1092,97 unequal: No Solution Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[15, 69, 66, 53], Operations: [] Exploring Operation: 15+69=84, Resulting Numbers: [66, 53, 84] Generated Node #0,0: 97:[66, 53, 84] Operation: 15+69=84 Moving to Node #0,0 Current State: 97:[66, 53, 84], Operations: ['15+69=84'] Exploring Operation: 66-53=13, Resulting Numbers: [84, 13] Generated Node #0,0,3: 97:[84, 13] Operation: 66-53=13 Moving to Node #0,0,3 Current State: 97:[84, 13], Operations: ['15+69=84', '66-53=13'] Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 31, 39, 22, 73 ]
19
[ "31+39=70", "73-22=51", "70-51=19" ]
Current State: 19:[31, 39, 22, 73], Operations: [] Exploring Operation: 31+39=70, Resulting Numbers: [22, 73, 70] Generated Node #2: [22, 73, 70] from Operation: 31+39=70 Current State: 19:[22, 73, 70], Operations: ['31+39=70'] Exploring Operation: 73-22=51, Resulting Numbers: [70, 51] Generated Node #3: [70, 51] from Operation: 73-22=51 Current State: 19:[70, 51], Operations: ['31+39=70', '73-22=51'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[31, 39, 22, 73], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [31, 22, 34] Generated Node #0,0: 19:[31, 22, 34] Operation: 73-39=34 Exploring Operation: 39-31=8, Resulting Numbers: [22, 73, 8] Generated Node #0,1: 19:[22, 73, 8] Operation: 39-31=8 Exploring Operation: 73-31=42, Resulting Numbers: [39, 22, 42] Generated Node #0,2: 19:[39, 22, 42] Operation: 73-31=42 Exploring Operation: 73-22=51, Resulting Numbers: [31, 39, 51] Generated Node #0,3: 19:[31, 39, 51] Operation: 73-22=51 Moving to Node #0,0 Current State: 19:[31, 22, 34], Operations: ['73-39=34'] Exploring Operation: 34-31=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 19:[22, 3] Operation: 34-31=3 Exploring Operation: 34-22=12, Resulting Numbers: [31, 12] Generated Node #0,0,1: 19:[31, 12] Operation: 34-22=12 Exploring Operation: 31+22=53, Resulting Numbers: [34, 53] Generated Node #0,0,2: 19:[34, 53] Operation: 31+22=53 Exploring Operation: 31-22=9, Resulting Numbers: [34, 9] Generated Node #0,0,3: 19:[34, 9] Operation: 31-22=9 Moving to Node #0,2 Current State: 19:[39, 22, 42], Operations: ['73-31=42'] Exploring Operation: 42-22=20, Resulting Numbers: [39, 20] Generated Node #0,2,0: 19:[39, 20] Operation: 42-22=20 Exploring Operation: 39-22=17, Resulting Numbers: [42, 17] Generated Node #0,2,1: 19:[42, 17] Operation: 39-22=17 Exploring Operation: 42-39=3, Resulting Numbers: [22, 3] Generated Node #0,2,2: 19:[22, 3] Operation: 42-39=3 Exploring Operation: 39+22=61, Resulting Numbers: [42, 61] Generated Node #0,2,3: 19:[42, 61] Operation: 39+22=61 Moving to Node #0,3 Current State: 19:[31, 39, 51], Operations: ['73-22=51'] Exploring Operation: 51-39=12, Resulting Numbers: [31, 12] Generated Node #0,3,0: 19:[31, 12] Operation: 51-39=12 Exploring Operation: 31+39=70, Resulting Numbers: [51, 70] Generated Node #0,3,1: 19:[51, 70] Operation: 31+39=70 Exploring Operation: 51-31=20, Resulting Numbers: [39, 20] Generated Node #0,3,2: 19:[39, 20] Operation: 51-31=20 Exploring Operation: 39-31=8, Resulting Numbers: [51, 8] Generated Node #0,3,3: 19:[51, 8] Operation: 39-31=8 Moving to Node #0,1 Current State: 19:[22, 73, 8], Operations: ['39-31=8'] Exploring Operation: 73-8=65, Resulting Numbers: [22, 65] Generated Node #0,1,0: 19:[22, 65] Operation: 73-8=65 Exploring Operation: 73-22=51, Resulting Numbers: [8, 51] Generated Node #0,1,1: 19:[8, 51] Operation: 73-22=51 Exploring Operation: 22-8=14, Resulting Numbers: [73, 14] Generated Node #0,1,2: 19:[73, 14] Operation: 22-8=14 Exploring Operation: 22+8=30, Resulting Numbers: [73, 30] Generated Node #0,1,3: 19:[73, 30] Operation: 22+8=30 Moving to Node #0,0,0 Current State: 19:[22, 3], Operations: ['73-39=34', '34-31=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,19 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[31, 39, 22, 73], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [31, 22, 34] Generated Node #0,0: 19:[31, 22, 34] Operation: 73-39=34 Moving to Node #0,0 Current State: 19:[31, 22, 34], Operations: ['73-39=34'] Exploring Operation: 34-31=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 19:[22, 3] Operation: 34-31=3 Moving to Node #0,0,0 Current State: 19:[22, 3], Operations: ['73-39=34', '34-31=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.976563
hs_4
mult_heuristic
[ 87, 3, 79, 86 ]
12
[ "87-3=84", "86-79=7", "84/7=12" ]
Current State: 12:[87, 3, 79, 86], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [79, 86, 84] Generated Node #2: [79, 86, 84] from Operation: 87-3=84 Current State: 12:[79, 86, 84], Operations: ['87-3=84'] Exploring Operation: 86-79=7, Resulting Numbers: [84, 7] Generated Node #3: [84, 7] from Operation: 86-79=7 Current State: 12:[84, 7], Operations: ['87-3=84', '86-79=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[87, 3, 79, 86], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [79, 86, 84] Generated Node #0,0: 12:[79, 86, 84] Operation: 87-3=84 Exploring Operation: 87/3=29, Resulting Numbers: [79, 86, 29] Generated Node #0,1: 12:[79, 86, 29] Operation: 87/3=29 Exploring Operation: 87-86=1, Resulting Numbers: [3, 79, 1] Generated Node #0,2: 12:[3, 79, 1] Operation: 87-86=1 Exploring Operation: 87-79=8, Resulting Numbers: [3, 86, 8] Generated Node #0,3: 12:[3, 86, 8] Operation: 87-79=8 Exploring Operation: 86-79=7, Resulting Numbers: [87, 3, 7] Generated Node #0,4: 12:[87, 3, 7] Operation: 86-79=7 Moving to Node #0,2 Current State: 12:[3, 79, 1], Operations: ['87-86=1'] Exploring Operation: 79-1=78, Resulting Numbers: [3, 78] Generated Node #0,2,0: 12:[3, 78] Operation: 79-1=78 Exploring Operation: 3+1=4, Resulting Numbers: [79, 4] Generated Node #0,2,1: 12:[79, 4] Operation: 3+1=4 Exploring Operation: 3-1=2, Resulting Numbers: [79, 2] Generated Node #0,2,2: 12:[79, 2] Operation: 3-1=2 Exploring Operation: 79-3=76, Resulting Numbers: [1, 76] Generated Node #0,2,3: 12:[1, 76] Operation: 79-3=76 Exploring Operation: 3*1=3, Resulting Numbers: [79, 3] Generated Node #0,2,4: 12:[79, 3] Operation: 3*1=3 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[1, 76], Operations: ['87-86=1', '79-3=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,12 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,12 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,12 unequal: No Solution No 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: 12:[3, 78], Operations: ['87-86=1', '79-1=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,12 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,12 unequal: No Solution No 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: 12:[79, 4], Operations: ['87-86=1', '3+1=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,12 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,12 unequal: No Solution No 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: 12:[79, 2], Operations: ['87-86=1', '3-1=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,12 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,12 unequal: No Solution No 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: 12:[79, 3], Operations: ['87-86=1', '3*1=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,12 unequal: No Solution Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 79*3=237, Resulting Numbers: [237] 237,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 12:[87, 3, 7], Operations: ['86-79=7'] Exploring Operation: 3+7=10, Resulting Numbers: [87, 10] Generated Node #0,4,0: 12:[87, 10] Operation: 3+7=10 Exploring Operation: 87/3=29, Resulting Numbers: [7, 29] Generated Node #0,4,1: 12:[7, 29] Operation: 87/3=29 Exploring Operation: 87-7=80, Resulting Numbers: [3, 80] Generated Node #0,4,2: 12:[3, 80] Operation: 87-7=80 Exploring Operation: 7-3=4, Resulting Numbers: [87, 4] Generated Node #0,4,3: 12:[87, 4] Operation: 7-3=4 Exploring Operation: 87-3=84, Resulting Numbers: [7, 84] Generated Node #0,4,4: 12:[7, 84] Operation: 87-3=84 Moving to Node #0,3 Current State: 12:[3, 86, 8], Operations: ['87-79=8'] Exploring Operation: 3+86=89, Resulting Numbers: [8, 89] Generated Node #0,3,0: 12:[8, 89] Operation: 3+86=89 Exploring Operation: 3+8=11, Resulting Numbers: [86, 11] Generated Node #0,3,1: 12:[86, 11] Operation: 3+8=11 Exploring Operation: 86-8=78, Resulting Numbers: [3, 78] Generated Node #0,3,2: 12:[3, 78] Operation: 86-8=78 Exploring Operation: 86-3=83, Resulting Numbers: [8, 83] Generated Node #0,3,3: 12:[8, 83] Operation: 86-3=83 Exploring Operation: 8-3=5, Resulting Numbers: [86, 5] Generated Node #0,3,4: 12:[86, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[3, 78], Operations: ['87-79=8', '86-8=78'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,12 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,12 unequal: No Solution No 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: 12:[8, 83], Operations: ['87-79=8', '86-3=83'] Exploring Operation: 8*83=664, Resulting Numbers: [664] 664,12 unequal: No Solution Exploring Operation: 8+83=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,12 unequal: No Solution No 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: 12:[86, 11], Operations: ['87-79=8', '3+8=11'] Exploring Operation: 86*11=946, Resulting Numbers: [946] 946,12 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,12 unequal: No Solution No 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: 12:[86, 5], Operations: ['87-79=8', '8-3=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,12 unequal: No Solution Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,12 unequal: No Solution No 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: 12:[8, 89], Operations: ['87-79=8', '3+86=89'] Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,12 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,12 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: 12:[79, 86, 29], Operations: ['87/3=29'] Exploring Operation: 79+29=108, Resulting Numbers: [86, 108] Generated Node #0,1,0: 12:[86, 108] Operation: 79+29=108 Exploring Operation: 79+86=165, Resulting Numbers: [29, 165] Generated Node #0,1,1: 12:[29, 165] Operation: 79+86=165 Exploring Operation: 79-29=50, Resulting Numbers: [86, 50] Generated Node #0,1,2: 12:[86, 50] Operation: 79-29=50 Exploring Operation: 86-79=7, Resulting Numbers: [29, 7] Generated Node #0,1,3: 12:[29, 7] Operation: 86-79=7 Exploring Operation: 86-29=57, Resulting Numbers: [79, 57] Generated Node #0,1,4: 12:[79, 57] Operation: 86-29=57 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[29, 7], Operations: ['87/3=29', '86-79=7'] Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,12 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,12 unequal: No Solution No 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: 12:[86, 50], Operations: ['87/3=29', '79-29=50'] Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 86*50=4300, Resulting Numbers: [4300] 4300,12 unequal: No Solution Exploring Operation: 86+50=136, Resulting Numbers: [136] 136,12 unequal: No Solution No 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: 12:[79, 57], Operations: ['87/3=29', '86-29=57'] Exploring Operation: 79*57=4503, Resulting Numbers: [4503] 4503,12 unequal: No Solution Exploring Operation: 79+57=136, Resulting Numbers: [136] 136,12 unequal: No Solution Exploring Operation: 79-57=22, Resulting Numbers: [22] 22,12 unequal: No Solution No 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: 12:[86, 108], Operations: ['87/3=29', '79+29=108'] Exploring Operation: 86*108=9288, Resulting Numbers: [9288] 9288,12 unequal: No Solution Exploring Operation: 86+108=194, Resulting Numbers: [194] 194,12 unequal: No Solution Exploring Operation: 108-86=22, Resulting Numbers: [22] 22,12 unequal: No Solution No 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: 12:[29, 165], Operations: ['87/3=29', '79+86=165'] Exploring Operation: 29+165=194, Resulting Numbers: [194] 194,12 unequal: No Solution Exploring Operation: 165-29=136, Resulting Numbers: [136] 136,12 unequal: No Solution Exploring Operation: 29*165=4785, Resulting Numbers: [4785] 4785,12 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: 12:[79, 86, 84], Operations: ['87-3=84'] Exploring Operation: 79+86=165, Resulting Numbers: [84, 165] Generated Node #0,0,0: 12:[84, 165] Operation: 79+86=165 Exploring Operation: 79+84=163, Resulting Numbers: [86, 163] Generated Node #0,0,1: 12:[86, 163] Operation: 79+84=163 Exploring Operation: 86-79=7, Resulting Numbers: [84, 7] Generated Node #0,0,2: 12:[84, 7] Operation: 86-79=7 Exploring Operation: 86-84=2, Resulting Numbers: [79, 2] Generated Node #0,0,3: 12:[79, 2] Operation: 86-84=2 Exploring Operation: 84-79=5, Resulting Numbers: [86, 5] Generated Node #0,0,4: 12:[86, 5] Operation: 84-79=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[79, 2], Operations: ['87-3=84', '86-84=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,12 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,12 unequal: No Solution No 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: 12:[84, 7], Operations: ['87-3=84', '86-79=7'] Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,12 unequal: No Solution Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,12 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[87, 3, 79, 86], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [79, 86, 84] Generated Node #0,0: 12:[79, 86, 84] Operation: 87-3=84 Moving to Node #0,0 Current State: 12:[79, 86, 84], Operations: ['87-3=84'] Exploring Operation: 86-79=7, Resulting Numbers: [84, 7] Generated Node #0,0,2: 12:[84, 7] Operation: 86-79=7 Moving to Node #0,0,2 Current State: 12:[84, 7], Operations: ['87-3=84', '86-79=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.922743
hs_5
sum_heuristic
[ 80, 93, 87, 73 ]
83
[ "93-73=20", "80/20=4", "87-4=83" ]
Current State: 83:[80, 93, 87, 73], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [80, 87, 20] Generated Node #2: [80, 87, 20] from Operation: 93-73=20 Current State: 83:[80, 87, 20], Operations: ['93-73=20'] Exploring Operation: 80/20=4, Resulting Numbers: [87, 4] Generated Node #3: [87, 4] from Operation: 80/20=4 Current State: 83:[87, 4], Operations: ['93-73=20', '80/20=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[80, 93, 87, 73], Operations: [] Exploring Operation: 80+73=153, Resulting Numbers: [93, 87, 153] Generated Node #0,0: 83:[93, 87, 153] Operation: 80+73=153 Exploring Operation: 93-73=20, Resulting Numbers: [80, 87, 20] Generated Node #0,1: 83:[80, 87, 20] Operation: 93-73=20 Exploring Operation: 87-73=14, Resulting Numbers: [80, 93, 14] Generated Node #0,2: 83:[80, 93, 14] Operation: 87-73=14 Exploring Operation: 93-80=13, Resulting Numbers: [87, 73, 13] Generated Node #0,3: 83:[87, 73, 13] Operation: 93-80=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[80, 87, 20], Operations: ['93-73=20'] Exploring Operation: 80-20=60, Resulting Numbers: [87, 60] Generated Node #0,1,0: 83:[87, 60] Operation: 80-20=60 Exploring Operation: 87-20=67, Resulting Numbers: [80, 67] Generated Node #0,1,1: 83:[80, 67] Operation: 87-20=67 Exploring Operation: 87+20=107, Resulting Numbers: [80, 107] Generated Node #0,1,2: 83:[80, 107] Operation: 87+20=107 Exploring Operation: 80+20=100, Resulting Numbers: [87, 100] Generated Node #0,1,3: 83:[87, 100] Operation: 80+20=100 Moving to Node #0,1,1 Current State: 83:[80, 67], Operations: ['93-73=20', '87-20=67'] Exploring Operation: 80+67=147, Resulting Numbers: [147] 147,83 unequal: No Solution Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 80*67=5360, Resulting Numbers: [5360] 5360,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[87, 100], Operations: ['93-73=20', '80+20=100'] Exploring Operation: 100-87=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 87+100=187, Resulting Numbers: [187] 187,83 unequal: No Solution Exploring Operation: 87*100=8700, Resulting Numbers: [8700] 8700,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[80, 107], Operations: ['93-73=20', '87+20=107'] Exploring Operation: 107-80=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 80*107=8560, Resulting Numbers: [8560] 8560,83 unequal: No Solution Exploring Operation: 80+107=187, Resulting Numbers: [187] 187,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[87, 60], Operations: ['93-73=20', '80-20=60'] Exploring Operation: 87+60=147, Resulting Numbers: [147] 147,83 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 87*60=5220, Resulting Numbers: [5220] 5220,83 unequal: No Solution No 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: 83:[80, 93, 14], Operations: ['87-73=14'] Exploring Operation: 93-14=79, Resulting Numbers: [80, 79] Generated Node #0,2,0: 83:[80, 79] Operation: 93-14=79 Exploring Operation: 93+14=107, Resulting Numbers: [80, 107] Generated Node #0,2,1: 83:[80, 107] Operation: 93+14=107 Exploring Operation: 80-14=66, Resulting Numbers: [93, 66] Generated Node #0,2,2: 83:[93, 66] Operation: 80-14=66 Exploring Operation: 80+14=94, Resulting Numbers: [93, 94] Generated Node #0,2,3: 83:[93, 94] Operation: 80+14=94 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[80, 79], Operations: ['87-73=14', '93-14=79'] Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 80*79=6320, Resulting Numbers: [6320] 6320,83 unequal: No Solution Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,83 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: 83:[93, 94], Operations: ['87-73=14', '80+14=94'] Exploring Operation: 93*94=8742, Resulting Numbers: [8742] 8742,83 unequal: No Solution Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 93+94=187, Resulting Numbers: [187] 187,83 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: 83:[80, 107], Operations: ['87-73=14', '93+14=107'] Exploring Operation: 107-80=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 80*107=8560, Resulting Numbers: [8560] 8560,83 unequal: No Solution Exploring Operation: 80+107=187, Resulting Numbers: [187] 187,83 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: 83:[93, 66], Operations: ['87-73=14', '80-14=66'] Exploring Operation: 93+66=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 93*66=6138, Resulting Numbers: [6138] 6138,83 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: 83:[93, 87, 153], Operations: ['80+73=153'] Exploring Operation: 93-87=6, Resulting Numbers: [153, 6] Generated Node #0,0,0: 83:[153, 6] Operation: 93-87=6 Exploring Operation: 93+87=180, Resulting Numbers: [153, 180] Generated Node #0,0,1: 83:[153, 180] Operation: 93+87=180 Exploring Operation: 153-87=66, Resulting Numbers: [93, 66] Generated Node #0,0,2: 83:[93, 66] Operation: 153-87=66 Exploring Operation: 153-93=60, Resulting Numbers: [87, 60] Generated Node #0,0,3: 83:[87, 60] Operation: 153-93=60 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[93, 66], Operations: ['80+73=153', '153-87=66'] Exploring Operation: 93+66=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 93*66=6138, Resulting Numbers: [6138] 6138,83 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 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: 83:[87, 60], Operations: ['80+73=153', '153-93=60'] Exploring Operation: 87*60=5220, Resulting Numbers: [5220] 5220,83 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 87+60=147, Resulting Numbers: [147] 147,83 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: 83:[153, 6], Operations: ['80+73=153', '93-87=6'] Exploring Operation: 153+6=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 153*6=918, Resulting Numbers: [918] 918,83 unequal: No Solution Exploring Operation: 153-6=147, Resulting Numbers: [147] 147,83 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: 83:[153, 180], Operations: ['80+73=153', '93+87=180'] Exploring Operation: 153*180=27540, Resulting Numbers: [27540] 27540,83 unequal: No Solution Exploring Operation: 153+180=333, Resulting Numbers: [333] 333,83 unequal: No Solution Exploring Operation: 180-153=27, Resulting Numbers: [27] 27,83 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: 83:[87, 73, 13], Operations: ['93-80=13'] Exploring Operation: 73+13=86, Resulting Numbers: [87, 86] Generated Node #0,3,0: 83:[87, 86] Operation: 73+13=86 Exploring Operation: 87-13=74, Resulting Numbers: [73, 74] Generated Node #0,3,1: 83:[73, 74] Operation: 87-13=74 Exploring Operation: 87+13=100, Resulting Numbers: [73, 100] Generated Node #0,3,2: 83:[73, 100] Operation: 87+13=100 Exploring Operation: 73-13=60, Resulting Numbers: [87, 60] Generated Node #0,3,3: 83:[87, 60] Operation: 73-13=60 Moving to Node #0,3,0 Current State: 83:[87, 86], Operations: ['93-80=13', '73+13=86'] Exploring Operation: 87+86=173, Resulting Numbers: [173] 173,83 unequal: No Solution Exploring Operation: 87*86=7482, Resulting Numbers: [7482] 7482,83 unequal: No Solution Exploring Operation: 87-86=1, Resulting Numbers: [1] 1,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[73, 74], Operations: ['93-80=13', '87-13=74'] Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 73*74=5402, Resulting Numbers: [5402] 5402,83 unequal: No Solution Exploring Operation: 73+74=147, Resulting Numbers: [147] 147,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[87, 60], Operations: ['93-80=13', '73-13=60'] Exploring Operation: 87*60=5220, Resulting Numbers: [5220] 5220,83 unequal: No Solution Exploring Operation: 87+60=147, Resulting Numbers: [147] 147,83 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[73, 100], Operations: ['93-80=13', '87+13=100'] Exploring Operation: 73*100=7300, Resulting Numbers: [7300] 7300,83 unequal: No Solution Exploring Operation: 73+100=173, Resulting Numbers: [173] 173,83 unequal: No Solution Exploring Operation: 100-73=27, Resulting Numbers: [27] 27,83 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
[ 30, 46, 10, 42 ]
16
[ "46-30=16", "42-10=32", "32-16=16" ]
Current State: 16:[30, 46, 10, 42], Operations: [] Exploring Operation: 46-30=16, Resulting Numbers: [10, 42, 16] Generated Node #2: [10, 42, 16] from Operation: 46-30=16 Current State: 16:[10, 42, 16], Operations: ['46-30=16'] Exploring Operation: 42-10=32, Resulting Numbers: [16, 32] Generated Node #3: [16, 32] from Operation: 42-10=32 Current State: 16:[16, 32], Operations: ['46-30=16', '42-10=32'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[30, 46, 10, 42], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [30, 10, 4] Generated Node #0,0: 16:[30, 10, 4] Operation: 46-42=4 Moving to Node #0,0 Current State: 16:[30, 10, 4], Operations: ['46-42=4'] Exploring Operation: 30/10=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 16:[4, 3] Operation: 30/10=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[4, 3], Operations: ['46-42=4', '30/10=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,16 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
[ 2, 16, 70, 66 ]
40
[ "16+70=86", "86-66=20", "2*20=40" ]
Current State: 40:[2, 16, 70, 66], Operations: [] Exploring Operation: 16+70=86, Resulting Numbers: [2, 66, 86] Generated Node #2: [2, 66, 86] from Operation: 16+70=86 Current State: 40:[2, 66, 86], Operations: ['16+70=86'] Exploring Operation: 86-66=20, Resulting Numbers: [2, 20] Generated Node #3: [2, 20] from Operation: 86-66=20 Current State: 40:[2, 20], Operations: ['16+70=86', '86-66=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[2, 16, 70, 66], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [2, 16, 4] Generated Node #0,0: 40:[2, 16, 4] Operation: 70-66=4 Exploring Operation: 70-16=54, Resulting Numbers: [2, 66, 54] Generated Node #0,1: 40:[2, 66, 54] Operation: 70-16=54 Exploring Operation: 70/2=35, Resulting Numbers: [16, 66, 35] Generated Node #0,2: 40:[16, 66, 35] Operation: 70/2=35 Moving to Node #0,0 Current State: 40:[2, 16, 4], Operations: ['70-66=4'] Exploring Operation: 16+4=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 40:[2, 20] Operation: 16+4=20 Exploring Operation: 16/2=8, Resulting Numbers: [4, 8] Generated Node #0,0,1: 40:[4, 8] Operation: 16/2=8 Exploring Operation: 16/4=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 40:[2, 4] Operation: 16/4=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[2, 20], Operations: ['70-66=4', '16+4=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[2, 16, 70, 66], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [2, 16, 4] Generated Node #0,0: 40:[2, 16, 4] Operation: 70-66=4 Moving to Node #0,0 Current State: 40:[2, 16, 4], Operations: ['70-66=4'] Exploring Operation: 16+4=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 40:[2, 20] Operation: 16+4=20 Moving to Node #0,0,0 Current State: 40:[2, 20], Operations: ['70-66=4', '16+4=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 96, 32, 51, 22 ]
70
[ "96/32=3", "51+22=73", "73-3=70" ]
Current State: 70:[96, 32, 51, 22], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [51, 22, 3] Generated Node #2: [51, 22, 3] from Operation: 96/32=3 Current State: 70:[51, 22, 3], Operations: ['96/32=3'] Exploring Operation: 51+22=73, Resulting Numbers: [3, 73] Generated Node #3: [3, 73] from Operation: 51+22=73 Current State: 70:[3, 73], Operations: ['96/32=3', '51+22=73'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[96, 32, 51, 22], Operations: [] Exploring Operation: 96-51=45, Resulting Numbers: [32, 22, 45] Generated Node #0,0: 70:[32, 22, 45] Operation: 96-51=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[32, 22, 45], Operations: ['96-51=45'] Exploring Operation: 22+45=67, Resulting Numbers: [32, 67] Generated Node #0,0,0: 70:[32, 67] Operation: 22+45=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[32, 67], Operations: ['96-51=45', '22+45=67'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,70 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
sum_heuristic
[ 40, 61, 32, 40 ]
51
[ "61-40=21", "32+40=72", "72-21=51" ]
Current State: 51:[40, 61, 32, 40], Operations: [] Exploring Operation: 61-40=21, Resulting Numbers: [32, 21] Generated Node #2: [32, 21] from Operation: 61-40=21 Current State: 51:[32, 21], Operations: ['61-40=21'] Exploring Operation: 32+40=72, Resulting Numbers: [21, 72] Generated Node #3: [21, 72] from Operation: 32+40=72 Current State: 51:[21, 72], Operations: ['61-40=21', '32+40=72'] Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[40, 61, 32, 40], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [40, 61, 8] Generated Node #0,0: 51:[40, 61, 8] Operation: 40-32=8 Exploring Operation: 40-32=8, Resulting Numbers: [61, 40, 8] Generated Node #0,1: 51:[61, 40, 8] Operation: 40-32=8 Exploring Operation: 40/40=1, Resulting Numbers: [61, 32, 1] Generated Node #0,2: 51:[61, 32, 1] Operation: 40/40=1 Exploring Operation: 40-40=0, Resulting Numbers: [61, 32, 0] Generated Node #0,3: 51:[61, 32, 0] Operation: 40-40=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[40, 61, 8], Operations: ['40-32=8'] Exploring Operation: 61-40=21, Resulting Numbers: [8, 21] Generated Node #0,0,0: 51:[8, 21] Operation: 61-40=21 Exploring Operation: 40/8=5, Resulting Numbers: [61, 5] Generated Node #0,0,1: 51:[61, 5] Operation: 40/8=5 Exploring Operation: 40+8=48, Resulting Numbers: [61, 48] Generated Node #0,0,2: 51:[61, 48] Operation: 40+8=48 Exploring Operation: 61-8=53, Resulting Numbers: [40, 53] Generated Node #0,0,3: 51:[40, 53] Operation: 61-8=53 Moving to Node #0,0,0 Current State: 51:[8, 21], Operations: ['40-32=8', '61-40=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[61, 5], Operations: ['40-32=8', '40/8=5'] Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,51 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[40, 53], Operations: ['40-32=8', '61-8=53'] Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,51 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[61, 48], Operations: ['40-32=8', '40+8=48'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 61+48=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 61*48=2928, Resulting Numbers: [2928] 2928,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[61, 40, 8], Operations: ['40-32=8'] Exploring Operation: 61-40=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 51:[8, 21] Operation: 61-40=21 Exploring Operation: 40+8=48, Resulting Numbers: [61, 48] Generated Node #0,1,1: 51:[61, 48] Operation: 40+8=48 Exploring Operation: 40/8=5, Resulting Numbers: [61, 5] Generated Node #0,1,2: 51:[61, 5] Operation: 40/8=5 Exploring Operation: 61-8=53, Resulting Numbers: [40, 53] Generated Node #0,1,3: 51:[40, 53] Operation: 61-8=53 Moving to Node #0,1,0 Current State: 51:[8, 21], Operations: ['40-32=8', '61-40=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,51 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[61, 5], Operations: ['40-32=8', '40/8=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,51 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,51 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[40, 53], Operations: ['40-32=8', '61-8=53'] Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,51 unequal: No Solution Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[61, 48], Operations: ['40-32=8', '40+8=48'] Exploring Operation: 61*48=2928, Resulting Numbers: [2928] 2928,51 unequal: No Solution Exploring Operation: 61+48=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[61, 32, 1], Operations: ['40/40=1'] Exploring Operation: 32-1=31, Resulting Numbers: [61, 31] Generated Node #0,2,0: 51:[61, 31] Operation: 32-1=31 Exploring Operation: 61-1=60, Resulting Numbers: [32, 60] Generated Node #0,2,1: 51:[32, 60] Operation: 61-1=60 Exploring Operation: 61-32=29, Resulting Numbers: [1, 29] Generated Node #0,2,2: 51:[1, 29] Operation: 61-32=29 Exploring Operation: 61*1=61, Resulting Numbers: [32, 61] Generated Node #0,2,3: 51:[32, 61] Operation: 61*1=61 Moving to Node #0,2,2 Current State: 51:[1, 29], Operations: ['40/40=1', '61-32=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[32, 60], Operations: ['40/40=1', '61-1=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[61, 31], Operations: ['40/40=1', '32-1=31'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,51 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[32, 61], Operations: ['40/40=1', '61*1=61'] Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,51 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[61, 32, 0], Operations: ['40-40=0'] Exploring Operation: 61*0=0, Resulting Numbers: [32, 0] Generated Node #0,3,0: 51:[32, 0] Operation: 61*0=0 Exploring Operation: 61-32=29, Resulting Numbers: [0, 29] Generated Node #0,3,1: 51:[0, 29] Operation: 61-32=29 Exploring Operation: 32*0=0, Resulting Numbers: [61, 0] Generated Node #0,3,2: 51:[61, 0] Operation: 32*0=0 Exploring Operation: 61+0=61, Resulting Numbers: [32, 61] Generated Node #0,3,3: 51:[32, 61] Operation: 61+0=61 Moving to Node #0,3,2 Current State: 51:[61, 0], Operations: ['40-40=0', '32*0=0'] Exploring Operation: 61-0=61, Resulting Numbers: [61] 61,51 unequal: No Solution Exploring Operation: 61+0=61, Resulting Numbers: [61] 61,51 unequal: No Solution Exploring Operation: 61*0=0, Resulting Numbers: [0] 0,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[0, 29], Operations: ['40-40=0', '61-32=29'] Exploring Operation: 29-0=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 0+29=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 0*29=0, Resulting Numbers: [0] 0,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[32, 0], Operations: ['40-40=0', '61*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 32*0=0, Resulting Numbers: [0] 0,51 unequal: No Solution Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[32, 61], Operations: ['40-40=0', '61+0=61'] Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,51 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 85, 56, 36, 17 ]
88
[ "85+56=141", "36+17=53", "141-53=88" ]
Current State: 88:[85, 56, 36, 17], Operations: [] Exploring Operation: 85+56=141, Resulting Numbers: [36, 17, 141] Generated Node #2: [36, 17, 141] from Operation: 85+56=141 Current State: 88:[36, 17, 141], Operations: ['85+56=141'] Exploring Operation: 36+17=53, Resulting Numbers: [141, 53] Generated Node #3: [141, 53] from Operation: 36+17=53 Current State: 88:[141, 53], Operations: ['85+56=141', '36+17=53'] Exploring Operation: 141-53=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[85, 56, 36, 17], Operations: [] Exploring Operation: 36-17=19, Resulting Numbers: [85, 56, 19] Generated Node #0,0: 88:[85, 56, 19] Operation: 36-17=19 Exploring Operation: 56+36=92, Resulting Numbers: [85, 17, 92] Generated Node #0,1: 88:[85, 17, 92] Operation: 56+36=92 Exploring Operation: 56-36=20, Resulting Numbers: [85, 17, 20] Generated Node #0,2: 88:[85, 17, 20] Operation: 56-36=20 Exploring Operation: 56-17=39, Resulting Numbers: [85, 36, 39] Generated Node #0,3: 88:[85, 36, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[85, 17, 20], Operations: ['56-36=20'] Exploring Operation: 17+20=37, Resulting Numbers: [85, 37] Generated Node #0,2,0: 88:[85, 37] Operation: 17+20=37 Exploring Operation: 85/17=5, Resulting Numbers: [20, 5] Generated Node #0,2,1: 88:[20, 5] Operation: 85/17=5 Exploring Operation: 85+17=102, Resulting Numbers: [20, 102] Generated Node #0,2,2: 88:[20, 102] Operation: 85+17=102 Exploring Operation: 20-17=3, Resulting Numbers: [85, 3] Generated Node #0,2,3: 88:[85, 3] Operation: 20-17=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[20, 5], Operations: ['56-36=20', '85/17=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,88 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,88 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 #0,2,3 Current State: 88:[85, 3], Operations: ['56-36=20', '20-17=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[85, 56, 36, 17], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [85, 17, 20] Generated Node #0,2: 88:[85, 17, 20] Operation: 56-36=20 Moving to Node #0,2 Current State: 88:[85, 17, 20], Operations: ['56-36=20'] Exploring Operation: 20-17=3, Resulting Numbers: [85, 3] Generated Node #0,2,3: 88:[85, 3] Operation: 20-17=3 Moving to Node #0,2,3 Current State: 88:[85, 3], Operations: ['56-36=20', '20-17=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 68, 81, 86, 12 ]
85
[ "81-68=13", "86+12=98", "98-13=85" ]
Current State: 85:[68, 81, 86, 12], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [86, 12, 13] Generated Node #2: [86, 12, 13] from Operation: 81-68=13 Current State: 85:[86, 12, 13], Operations: ['81-68=13'] Exploring Operation: 86+12=98, Resulting Numbers: [13, 98] Generated Node #3: [13, 98] from Operation: 86+12=98 Current State: 85:[13, 98], Operations: ['81-68=13', '86+12=98'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[68, 81, 86, 12], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [81, 12, 18] Generated Node #0,0: 85:[81, 12, 18] Operation: 86-68=18 Exploring Operation: 81-68=13, Resulting Numbers: [86, 12, 13] Generated Node #0,1: 85:[86, 12, 13] Operation: 81-68=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[81, 12, 18], Operations: ['86-68=18'] Exploring Operation: 81+12=93, Resulting Numbers: [18, 93] Generated Node #0,0,0: 85:[18, 93] Operation: 81+12=93 Exploring Operation: 18-12=6, Resulting Numbers: [81, 6] Generated Node #0,0,1: 85:[81, 6] Operation: 18-12=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[81, 6], Operations: ['86-68=18', '18-12=6'] Exploring Operation: 81+6=87, Resulting Numbers: [87] 87,85 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,85 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: 85:[18, 93], Operations: ['86-68=18', '81+12=93'] Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 18+93=111, Resulting Numbers: [111] 111,85 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: 85:[86, 12, 13], Operations: ['81-68=13'] Exploring Operation: 12+13=25, Resulting Numbers: [86, 25] Generated Node #0,1,0: 85:[86, 25] Operation: 12+13=25 Exploring Operation: 13-12=1, Resulting Numbers: [86, 1] Generated Node #0,1,1: 85:[86, 1] Operation: 13-12=1 Moving to Node #0,1,1 Current State: 85:[86, 1], Operations: ['81-68=13', '13-12=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[68, 81, 86, 12], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [86, 12, 13] Generated Node #0,1: 85:[86, 12, 13] Operation: 81-68=13 Moving to Node #0,1 Current State: 85:[86, 12, 13], Operations: ['81-68=13'] Exploring Operation: 13-12=1, Resulting Numbers: [86, 1] Generated Node #0,1,1: 85:[86, 1] Operation: 13-12=1 Moving to Node #0,1,1 Current State: 85:[86, 1], Operations: ['81-68=13', '13-12=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 13, 64, 50, 94 ]
95
[ "64-13=51", "94-50=44", "51+44=95" ]
Current State: 95:[13, 64, 50, 94], Operations: [] Exploring Operation: 64-13=51, Resulting Numbers: [50, 94, 51] Generated Node #2: [50, 94, 51] from Operation: 64-13=51 Current State: 95:[50, 94, 51], Operations: ['64-13=51'] Exploring Operation: 94-50=44, Resulting Numbers: [51, 44] Generated Node #3: [51, 44] from Operation: 94-50=44 Current State: 95:[51, 44], Operations: ['64-13=51', '94-50=44'] Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[13, 64, 50, 94], Operations: [] Exploring Operation: 64-50=14, Resulting Numbers: [13, 94, 14] Generated Node #0,0: 95:[13, 94, 14] Operation: 64-50=14 Moving to Node #0,0 Current State: 95:[13, 94, 14], Operations: ['64-50=14'] Exploring Operation: 14-13=1, Resulting Numbers: [94, 1] Generated Node #0,0,0: 95:[94, 1] Operation: 14-13=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[94, 1], Operations: ['64-50=14', '14-13=1'] Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[13, 64, 50, 94], Operations: [] Exploring Operation: 64-50=14, Resulting Numbers: [13, 94, 14] Generated Node #0,0: 95:[13, 94, 14] Operation: 64-50=14 Moving to Node #0,0 Current State: 95:[13, 94, 14], Operations: ['64-50=14'] Exploring Operation: 14-13=1, Resulting Numbers: [94, 1] Generated Node #0,0,0: 95:[94, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 95:[94, 1], Operations: ['64-50=14', '14-13=1'] Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 52, 28, 8, 5 ]
13
[ "52*5=260", "28-8=20", "260/20=13" ]
Current State: 13:[52, 28, 8, 5], Operations: [] Exploring Operation: 52*5=260, Resulting Numbers: [28, 8, 260] Generated Node #2: [28, 8, 260] from Operation: 52*5=260 Current State: 13:[28, 8, 260], Operations: ['52*5=260'] Exploring Operation: 28-8=20, Resulting Numbers: [260, 20] Generated Node #3: [260, 20] from Operation: 28-8=20 Current State: 13:[260, 20], Operations: ['52*5=260', '28-8=20'] Exploring Operation: 260/20=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[52, 28, 8, 5], Operations: [] Exploring Operation: 52-8=44, Resulting Numbers: [28, 5, 44] Generated Node #0,0: 13:[28, 5, 44] Operation: 52-8=44 Exploring Operation: 52-5=47, Resulting Numbers: [28, 8, 47] Generated Node #0,1: 13:[28, 8, 47] Operation: 52-5=47 Exploring Operation: 52-28=24, Resulting Numbers: [8, 5, 24] Generated Node #0,2: 13:[8, 5, 24] Operation: 52-28=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[8, 5, 24], Operations: ['52-28=24'] Exploring Operation: 24-8=16, Resulting Numbers: [5, 16] Generated Node #0,2,0: 13:[5, 16] Operation: 24-8=16 Exploring Operation: 8+5=13, Resulting Numbers: [24, 13] Generated Node #0,2,1: 13:[24, 13] Operation: 8+5=13 Exploring Operation: 24-5=19, Resulting Numbers: [8, 19] Generated Node #0,2,2: 13:[8, 19] Operation: 24-5=19 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[5, 16], Operations: ['52-28=24', '24-8=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,13 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: 13:[24, 13], Operations: ['52-28=24', '8+5=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,13 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: 13:[8, 19], Operations: ['52-28=24', '24-5=19'] Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,13 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,13 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[28, 5, 44], Operations: ['52-8=44'] Exploring Operation: 28-5=23, Resulting Numbers: [44, 23] Generated Node #0,0,0: 13:[44, 23] Operation: 28-5=23 Exploring Operation: 44-5=39, Resulting Numbers: [28, 39] Generated Node #0,0,1: 13:[28, 39] Operation: 44-5=39 Exploring Operation: 44-28=16, Resulting Numbers: [5, 16] Generated Node #0,0,2: 13:[5, 16] Operation: 44-28=16 Moving to Node #0,0,2 Current State: 13:[5, 16], Operations: ['52-8=44', '44-28=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[44, 23], Operations: ['52-8=44', '28-5=23'] Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,13 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[28, 39], Operations: ['52-8=44', '44-5=39'] Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,13 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,13 unequal: No Solution No 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: 13:[28, 8, 47], Operations: ['52-5=47'] Exploring Operation: 47-28=19, Resulting Numbers: [8, 19] Generated Node #0,1,0: 13:[8, 19] Operation: 47-28=19 Exploring Operation: 47-8=39, Resulting Numbers: [28, 39] Generated Node #0,1,1: 13:[28, 39] Operation: 47-8=39 Exploring Operation: 28-8=20, Resulting Numbers: [47, 20] Generated Node #0,1,2: 13:[47, 20] Operation: 28-8=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[8, 19], Operations: ['52-5=47', '47-28=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,13 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,13 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: 13:[28, 39], Operations: ['52-5=47', '47-8=39'] Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,13 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,13 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: 13:[47, 20], Operations: ['52-5=47', '28-8=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,13 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,13 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_3
sum_heuristic
[ 90, 25, 35, 41 ]
85
[ "90*35=3150", "3150/25=126", "126-41=85" ]
Current State: 85:[90, 25, 35, 41], Operations: [] Exploring Operation: 90*35=3150, Resulting Numbers: [25, 41, 3150] Generated Node #2: [25, 41, 3150] from Operation: 90*35=3150 Current State: 85:[25, 41, 3150], Operations: ['90*35=3150'] Exploring Operation: 3150/25=126, Resulting Numbers: [41, 126] Generated Node #3: [41, 126] from Operation: 3150/25=126 Current State: 85:[41, 126], Operations: ['90*35=3150', '3150/25=126'] Exploring Operation: 126-41=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[90, 25, 35, 41], Operations: [] Exploring Operation: 41-35=6, Resulting Numbers: [90, 25, 6] Generated Node #0,0: 85:[90, 25, 6] Operation: 41-35=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[90, 25, 6], Operations: ['41-35=6'] Exploring Operation: 25-6=19, Resulting Numbers: [90, 19] Generated Node #0,0,0: 85:[90, 19] Operation: 25-6=19 Moving to Node #0,0,0 Current State: 85:[90, 19], Operations: ['41-35=6', '25-6=19'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,85 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
[ 37, 3, 30, 8 ]
89
[ "37*3=111", "30-8=22", "111-22=89" ]
Current State: 89:[37, 3, 30, 8], Operations: [] Exploring Operation: 37*3=111, Resulting Numbers: [30, 8, 111] Generated Node #2: [30, 8, 111] from Operation: 37*3=111 Current State: 89:[30, 8, 111], Operations: ['37*3=111'] Exploring Operation: 30-8=22, Resulting Numbers: [111, 22] Generated Node #3: [111, 22] from Operation: 30-8=22 Current State: 89:[111, 22], Operations: ['37*3=111', '30-8=22'] Exploring Operation: 111-22=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[37, 3, 30, 8], Operations: [] Exploring Operation: 37*3=111, Resulting Numbers: [30, 8, 111] Generated Node #0,0: 89:[30, 8, 111] Operation: 37*3=111 Exploring Operation: 3*30=90, Resulting Numbers: [37, 8, 90] Generated Node #0,1: 89:[37, 8, 90] Operation: 3*30=90 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[37, 8, 90], Operations: ['3*30=90'] Exploring Operation: 90-8=82, Resulting Numbers: [37, 82] Generated Node #0,1,0: 89:[37, 82] Operation: 90-8=82 Exploring Operation: 37+8=45, Resulting Numbers: [90, 45] Generated Node #0,1,1: 89:[90, 45] Operation: 37+8=45 Moving to Node #0,1,1 Current State: 89:[90, 45], Operations: ['3*30=90', '37+8=45'] Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 90+45=135, Resulting Numbers: [135] 135,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[37, 82], Operations: ['3*30=90', '90-8=82'] Exploring Operation: 37+82=119, Resulting Numbers: [119] 119,89 unequal: No Solution Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,89 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 #0,0 Current State: 89:[30, 8, 111], Operations: ['37*3=111'] Exploring Operation: 111-8=103, Resulting Numbers: [30, 103] Generated Node #0,0,0: 89:[30, 103] Operation: 111-8=103 Exploring Operation: 30+8=38, Resulting Numbers: [111, 38] Generated Node #0,0,1: 89:[111, 38] Operation: 30+8=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[30, 103], Operations: ['37*3=111', '111-8=103'] Exploring Operation: 30+103=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,89 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 #0,0,1 Current State: 89:[111, 38], Operations: ['37*3=111', '30+8=38'] Exploring Operation: 111-38=73, Resulting Numbers: [73] 73,89 unequal: No Solution Exploring Operation: 111+38=149, Resulting Numbers: [149] 149,89 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 No solution found.
0
hs_2
mult_heuristic
[ 55, 46, 20, 93 ]
28
[ "55+46=101", "93-20=73", "101-73=28" ]
Current State: 28:[55, 46, 20, 93], Operations: [] Exploring Operation: 55+46=101, Resulting Numbers: [20, 93, 101] Generated Node #2: [20, 93, 101] from Operation: 55+46=101 Current State: 28:[20, 93, 101], Operations: ['55+46=101'] Exploring Operation: 93-20=73, Resulting Numbers: [101, 73] Generated Node #3: [101, 73] from Operation: 93-20=73 Current State: 28:[101, 73], Operations: ['55+46=101', '93-20=73'] Exploring Operation: 101-73=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[55, 46, 20, 93], Operations: [] Exploring Operation: 93-55=38, Resulting Numbers: [46, 20, 38] Generated Node #0,0: 28:[46, 20, 38] Operation: 93-55=38 Exploring Operation: 93-46=47, Resulting Numbers: [55, 20, 47] Generated Node #0,1: 28:[55, 20, 47] Operation: 93-46=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[46, 20, 38], Operations: ['93-55=38'] Exploring Operation: 46-20=26, Resulting Numbers: [38, 26] Generated Node #0,0,0: 28:[38, 26] Operation: 46-20=26 Exploring Operation: 46-38=8, Resulting Numbers: [20, 8] Generated Node #0,0,1: 28:[20, 8] Operation: 46-38=8 Moving to Node #0,0,1 Current State: 28:[20, 8], Operations: ['93-55=38', '46-38=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[55, 46, 20, 93], Operations: [] Exploring Operation: 93-55=38, Resulting Numbers: [46, 20, 38] Generated Node #0,0: 28:[46, 20, 38] Operation: 93-55=38 Moving to Node #0,0 Current State: 28:[46, 20, 38], Operations: ['93-55=38'] Exploring Operation: 46-38=8, Resulting Numbers: [20, 8] Generated Node #0,0,1: 28:[20, 8] Operation: 46-38=8 Moving to Node #0,0,1 Current State: 28:[20, 8], Operations: ['93-55=38', '46-38=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 18, 75, 97, 9 ]
24
[ "18/9=2", "97-75=22", "2+22=24" ]
Current State: 24:[18, 75, 97, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [75, 97, 2] Generated Node #2: [75, 97, 2] from Operation: 18/9=2 Current State: 24:[75, 97, 2], Operations: ['18/9=2'] Exploring Operation: 97-75=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 97-75=22 Current State: 24:[2, 22], Operations: ['18/9=2', '97-75=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[18, 75, 97, 9], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [97, 9, 57] Generated Node #0,0: 24:[97, 9, 57] Operation: 75-18=57 Exploring Operation: 97-75=22, Resulting Numbers: [18, 9, 22] Generated Node #0,1: 24:[18, 9, 22] Operation: 97-75=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[18, 9, 22], Operations: ['97-75=22'] Exploring Operation: 18/9=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 24:[22, 2] Operation: 18/9=2 Exploring Operation: 22-18=4, Resulting Numbers: [9, 4] Generated Node #0,1,1: 24:[9, 4] Operation: 22-18=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[9, 4], Operations: ['97-75=22', '22-18=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,24 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: 24:[22, 2], Operations: ['97-75=22', '18/9=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[18, 75, 97, 9], Operations: [] Exploring Operation: 97-75=22, Resulting Numbers: [18, 9, 22] Generated Node #0,1: 24:[18, 9, 22] Operation: 97-75=22 Moving to Node #0,1 Current State: 24:[18, 9, 22], Operations: ['97-75=22'] Exploring Operation: 18/9=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 24:[22, 2] Operation: 18/9=2 Moving to Node #0,1,0 Current State: 24:[22, 2], Operations: ['97-75=22', '18/9=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 72, 12, 51, 16 ]
33
[ "16-12=4", "72/4=18", "51-18=33" ]
Current State: 33:[72, 12, 51, 16], Operations: [] Exploring Operation: 16-12=4, Resulting Numbers: [72, 51, 4] Generated Node #2: [72, 51, 4] from Operation: 16-12=4 Current State: 33:[72, 51, 4], Operations: ['16-12=4'] Exploring Operation: 72/4=18, Resulting Numbers: [51, 18] Generated Node #3: [51, 18] from Operation: 72/4=18 Current State: 33:[51, 18], Operations: ['16-12=4', '72/4=18'] Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[72, 12, 51, 16], Operations: [] Exploring Operation: 72-51=21, Resulting Numbers: [12, 16, 21] Generated Node #0,0: 33:[12, 16, 21] Operation: 72-51=21 Moving to Node #0,0 Current State: 33:[12, 16, 21], Operations: ['72-51=21'] Exploring Operation: 21-16=5, Resulting Numbers: [12, 5] Generated Node #0,0,0: 33:[12, 5] Operation: 21-16=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[12, 5], Operations: ['72-51=21', '21-16=5'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,33 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
[ 62, 95, 86, 6 ]
59
[ "95-62=33", "86+6=92", "92-33=59" ]
Current State: 59:[62, 95, 86, 6], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [86, 6, 33] Generated Node #2: [86, 6, 33] from Operation: 95-62=33 Current State: 59:[86, 6, 33], Operations: ['95-62=33'] Exploring Operation: 86+6=92, Resulting Numbers: [33, 92] Generated Node #3: [33, 92] from Operation: 86+6=92 Current State: 59:[33, 92], Operations: ['95-62=33', '86+6=92'] Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[62, 95, 86, 6], Operations: [] Exploring Operation: 95-6=89, Resulting Numbers: [62, 86, 89] Generated Node #0,0: 59:[62, 86, 89] Operation: 95-6=89 Exploring Operation: 86-6=80, Resulting Numbers: [62, 95, 80] Generated Node #0,1: 59:[62, 95, 80] Operation: 86-6=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[62, 86, 89], Operations: ['95-6=89'] Exploring Operation: 89-86=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 59:[62, 3] Operation: 89-86=3 Exploring Operation: 89-62=27, Resulting Numbers: [86, 27] Generated Node #0,0,1: 59:[86, 27] Operation: 89-62=27 Moving to Node #0,0,0 Current State: 59:[62, 3], Operations: ['95-6=89', '89-86=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[62, 95, 86, 6], Operations: [] Exploring Operation: 95-6=89, Resulting Numbers: [62, 86, 89] Generated Node #0,0: 59:[62, 86, 89] Operation: 95-6=89 Moving to Node #0,0 Current State: 59:[62, 86, 89], Operations: ['95-6=89'] Exploring Operation: 89-86=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 59:[62, 3] Operation: 89-86=3 Moving to Node #0,0,0 Current State: 59:[62, 3], Operations: ['95-6=89', '89-86=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 55, 43, 26, 62 ]
10
[ "55+43=98", "26+62=88", "98-88=10" ]
Current State: 10:[55, 43, 26, 62], Operations: [] Exploring Operation: 55+43=98, Resulting Numbers: [26, 62, 98] Generated Node #2: [26, 62, 98] from Operation: 55+43=98 Current State: 10:[26, 62, 98], Operations: ['55+43=98'] Exploring Operation: 26+62=88, Resulting Numbers: [98, 88] Generated Node #3: [98, 88] from Operation: 26+62=88 Current State: 10:[98, 88], Operations: ['55+43=98', '26+62=88'] Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[55, 43, 26, 62], Operations: [] Exploring Operation: 62-55=7, Resulting Numbers: [43, 26, 7] Generated Node #0,0: 10:[43, 26, 7] Operation: 62-55=7 Exploring Operation: 55-26=29, Resulting Numbers: [43, 62, 29] Generated Node #0,1: 10:[43, 62, 29] Operation: 55-26=29 Exploring Operation: 55-43=12, Resulting Numbers: [26, 62, 12] Generated Node #0,2: 10:[26, 62, 12] Operation: 55-43=12 Exploring Operation: 62-43=19, Resulting Numbers: [55, 26, 19] Generated Node #0,3: 10:[55, 26, 19] Operation: 62-43=19 Moving to Node #0,0 Current State: 10:[43, 26, 7], Operations: ['62-55=7'] Exploring Operation: 43-26=17, Resulting Numbers: [7, 17] Generated Node #0,0,0: 10:[7, 17] Operation: 43-26=17 Exploring Operation: 43+7=50, Resulting Numbers: [26, 50] Generated Node #0,0,1: 10:[26, 50] Operation: 43+7=50 Exploring Operation: 43-7=36, Resulting Numbers: [26, 36] Generated Node #0,0,2: 10:[26, 36] Operation: 43-7=36 Exploring Operation: 26-7=19, Resulting Numbers: [43, 19] Generated Node #0,0,3: 10:[43, 19] Operation: 26-7=19 Moving to Node #0,3 Current State: 10:[55, 26, 19], Operations: ['62-43=19'] Exploring Operation: 26-19=7, Resulting Numbers: [55, 7] Generated Node #0,3,0: 10:[55, 7] Operation: 26-19=7 Exploring Operation: 55-19=36, Resulting Numbers: [26, 36] Generated Node #0,3,1: 10:[26, 36] Operation: 55-19=36 Exploring Operation: 55+26=81, Resulting Numbers: [19, 81] Generated Node #0,3,2: 10:[19, 81] Operation: 55+26=81 Exploring Operation: 55-26=29, Resulting Numbers: [19, 29] Generated Node #0,3,3: 10:[19, 29] Operation: 55-26=29 Moving to Node #0,2 Current State: 10:[26, 62, 12], Operations: ['55-43=12'] Exploring Operation: 26+62=88, Resulting Numbers: [12, 88] Generated Node #0,2,0: 10:[12, 88] Operation: 26+62=88 Exploring Operation: 62-26=36, Resulting Numbers: [12, 36] Generated Node #0,2,1: 10:[12, 36] Operation: 62-26=36 Exploring Operation: 62-12=50, Resulting Numbers: [26, 50] Generated Node #0,2,2: 10:[26, 50] Operation: 62-12=50 Exploring Operation: 26-12=14, Resulting Numbers: [62, 14] Generated Node #0,2,3: 10:[62, 14] Operation: 26-12=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[12, 36], Operations: ['55-43=12', '62-26=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,10 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,10 unequal: No Solution No 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: 10:[26, 50], Operations: ['55-43=12', '62-12=50'] Exploring Operation: 26*50=1300, Resulting Numbers: [1300] 1300,10 unequal: No Solution Exploring Operation: 26+50=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[62, 14], Operations: ['55-43=12', '26-12=14'] Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,10 unequal: No Solution No 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: 10:[12, 88], Operations: ['55-43=12', '26+62=88'] Exploring Operation: 12*88=1056, Resulting Numbers: [1056] 1056,10 unequal: No Solution Exploring Operation: 12+88=100, Resulting Numbers: [100] 100,10 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,10 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: 10:[43, 62, 29], Operations: ['55-26=29'] Exploring Operation: 62-29=33, Resulting Numbers: [43, 33] Generated Node #0,1,0: 10:[43, 33] Operation: 62-29=33 Exploring Operation: 43+62=105, Resulting Numbers: [29, 105] Generated Node #0,1,1: 10:[29, 105] Operation: 43+62=105 Exploring Operation: 62-43=19, Resulting Numbers: [29, 19] Generated Node #0,1,2: 10:[29, 19] Operation: 62-43=19 Exploring Operation: 43-29=14, Resulting Numbers: [62, 14] Generated Node #0,1,3: 10:[62, 14] Operation: 43-29=14 Moving to Node #0,0,0 Current State: 10:[7, 17], Operations: ['62-55=7', '43-26=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[55, 43, 26, 62], Operations: [] Exploring Operation: 62-55=7, Resulting Numbers: [43, 26, 7] Generated Node #0,0: 10:[43, 26, 7] Operation: 62-55=7 Moving to Node #0,0 Current State: 10:[43, 26, 7], Operations: ['62-55=7'] Exploring Operation: 43-26=17, Resulting Numbers: [7, 17] Generated Node #0,0,0: 10:[7, 17] Operation: 43-26=17 Moving to Node #0,0,0 Current State: 10:[7, 17], Operations: ['62-55=7', '43-26=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.966146
hs_4
mult_heuristic
[ 6, 54, 73, 25 ]
96
[ "54-6=48", "73-25=48", "48+48=96" ]
Current State: 96:[6, 54, 73, 25], Operations: [] Exploring Operation: 54-6=48, Resulting Numbers: [73, 25, 48] Generated Node #2: [73, 25, 48] from Operation: 54-6=48 Current State: 96:[73, 25, 48], Operations: ['54-6=48'] Exploring Operation: 73-25=48, Resulting Numbers: [48, 48] Generated Node #3: [48, 48] from Operation: 73-25=48 Current State: 96:[48, 48], Operations: ['54-6=48', '73-25=48'] Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[6, 54, 73, 25], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [6, 54, 48] Generated Node #0,0: 96:[6, 54, 48] Operation: 73-25=48 Exploring Operation: 73-54=19, Resulting Numbers: [6, 25, 19] Generated Node #0,1: 96:[6, 25, 19] Operation: 73-54=19 Exploring Operation: 73+25=98, Resulting Numbers: [6, 54, 98] Generated Node #0,2: 96:[6, 54, 98] Operation: 73+25=98 Exploring Operation: 54-6=48, Resulting Numbers: [73, 25, 48] Generated Node #0,3: 96:[73, 25, 48] Operation: 54-6=48 Exploring Operation: 6+73=79, Resulting Numbers: [54, 25, 79] Generated Node #0,4: 96:[54, 25, 79] Operation: 6+73=79 Moving to Node #0,1 Current State: 96:[6, 25, 19], Operations: ['73-54=19'] Exploring Operation: 25-19=6, Resulting Numbers: [6, 6] Generated Node #0,1,0: 96:[6, 6] Operation: 25-19=6 Exploring Operation: 19-6=13, Resulting Numbers: [25, 13] Generated Node #0,1,1: 96:[25, 13] Operation: 19-6=13 Exploring Operation: 25+19=44, Resulting Numbers: [6, 44] Generated Node #0,1,2: 96:[6, 44] Operation: 25+19=44 Exploring Operation: 6+19=25, Resulting Numbers: [25, 25] Generated Node #0,1,3: 96:[25, 25] Operation: 6+19=25 Exploring Operation: 6+25=31, Resulting Numbers: [19, 31] Generated Node #0,1,4: 96:[19, 31] Operation: 6+25=31 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[6, 6], Operations: ['73-54=19', '25-19=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,96 unequal: No Solution No 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: 96:[25, 13], Operations: ['73-54=19', '19-6=13'] Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,96 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,96 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,96 unequal: No Solution No 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: 96:[25, 25], Operations: ['73-54=19', '6+19=25'] Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 25-25=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 25*25=625, Resulting Numbers: [625] 625,96 unequal: No Solution Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,96 unequal: No Solution No 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: 96:[6, 44], Operations: ['73-54=19', '25+19=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,96 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,96 unequal: No Solution No 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: 96:[19, 31], Operations: ['73-54=19', '6+25=31'] Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,96 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,96 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: 96:[6, 54, 48], Operations: ['73-25=48'] Exploring Operation: 54-48=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 96:[6, 6] Operation: 54-48=6 Exploring Operation: 54+48=102, Resulting Numbers: [6, 102] Generated Node #0,0,1: 96:[6, 102] Operation: 54+48=102 Exploring Operation: 54/6=9, Resulting Numbers: [48, 9] Generated Node #0,0,2: 96:[48, 9] Operation: 54/6=9 Exploring Operation: 54-6=48, Resulting Numbers: [48, 48] Generated Node #0,0,3: 96:[48, 48] Operation: 54-6=48 Exploring Operation: 48/6=8, Resulting Numbers: [54, 8] Generated Node #0,0,4: 96:[54, 8] Operation: 48/6=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[6, 6], Operations: ['73-25=48', '54-48=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,96 unequal: No Solution No 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: 96:[48, 48], Operations: ['73-25=48', '54-6=48'] Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[6, 54, 73, 25], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [6, 54, 48] Generated Node #0,0: 96:[6, 54, 48] Operation: 73-25=48 Moving to Node #0,0 Current State: 96:[6, 54, 48], Operations: ['73-25=48'] Exploring Operation: 54-6=48, Resulting Numbers: [48, 48] Generated Node #0,0,3: 96:[48, 48] Operation: 54-6=48 Moving to Node #0,0,3 Current State: 96:[48, 48], Operations: ['73-25=48', '54-6=48'] Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 36, 1, 32, 23 ]
88
[ "36-32=4", "23-1=22", "4*22=88" ]
Current State: 88:[36, 1, 32, 23], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [1, 23, 4] Generated Node #2: [1, 23, 4] from Operation: 36-32=4 Current State: 88:[1, 23, 4], Operations: ['36-32=4'] Exploring Operation: 23-1=22, Resulting Numbers: [4, 22] Generated Node #3: [4, 22] from Operation: 23-1=22 Current State: 88:[4, 22], Operations: ['36-32=4', '23-1=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[36, 1, 32, 23], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [36, 1, 9] Generated Node #0,0: 88:[36, 1, 9] Operation: 32-23=9 Exploring Operation: 36-32=4, Resulting Numbers: [1, 23, 4] Generated Node #0,1: 88:[1, 23, 4] Operation: 36-32=4 Moving to Node #0,1 Current State: 88:[1, 23, 4], Operations: ['36-32=4'] Exploring Operation: 23-1=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 88:[4, 22] Operation: 23-1=22 Exploring Operation: 1*23=23, Resulting Numbers: [4, 23] Generated Node #0,1,1: 88:[4, 23] Operation: 1*23=23 Moving to Node #0,0 Current State: 88:[36, 1, 9], Operations: ['32-23=9'] Exploring Operation: 36+9=45, Resulting Numbers: [1, 45] Generated Node #0,0,0: 88:[1, 45] Operation: 36+9=45 Exploring Operation: 36/9=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 88:[1, 4] Operation: 36/9=4 Moving to Node #0,1,0 Current State: 88:[4, 22], Operations: ['36-32=4', '23-1=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[36, 1, 32, 23], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [1, 23, 4] Generated Node #0,1: 88:[1, 23, 4] Operation: 36-32=4 Moving to Node #0,1 Current State: 88:[1, 23, 4], Operations: ['36-32=4'] Exploring Operation: 23-1=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 88:[4, 22] Operation: 23-1=22 Moving to Node #0,1,0 Current State: 88:[4, 22], Operations: ['36-32=4', '23-1=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 43, 17, 20, 14 ]
86
[ "20+14=34", "43*34=1462", "1462/17=86" ]
Current State: 86:[43, 17, 20, 14], Operations: [] Exploring Operation: 20+14=34, Resulting Numbers: [43, 17, 34] Generated Node #2: [43, 17, 34] from Operation: 20+14=34 Current State: 86:[43, 17, 34], Operations: ['20+14=34'] Exploring Operation: 43*34=1462, Resulting Numbers: [17, 1462] Generated Node #3: [17, 1462] from Operation: 43*34=1462 Current State: 86:[17, 1462], Operations: ['20+14=34', '43*34=1462'] Exploring Operation: 1462/17=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[43, 17, 20, 14], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [43, 14, 3] Generated Node #0,0: 86:[43, 14, 3] Operation: 20-17=3 Exploring Operation: 17-14=3, Resulting Numbers: [43, 20, 3] Generated Node #0,1: 86:[43, 20, 3] Operation: 17-14=3 Exploring Operation: 17+20=37, Resulting Numbers: [43, 14, 37] Generated Node #0,2: 86:[43, 14, 37] Operation: 17+20=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[43, 14, 3], Operations: ['20-17=3'] Exploring Operation: 14*3=42, Resulting Numbers: [43, 42] Generated Node #0,0,0: 86:[43, 42] Operation: 14*3=42 Exploring Operation: 43+14=57, Resulting Numbers: [3, 57] Generated Node #0,0,1: 86:[3, 57] Operation: 43+14=57 Exploring Operation: 14-3=11, Resulting Numbers: [43, 11] Generated Node #0,0,2: 86:[43, 11] Operation: 14-3=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[43, 42], Operations: ['20-17=3', '14*3=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,86 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: 86:[43, 11], Operations: ['20-17=3', '14-3=11'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,86 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,86 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: 86:[3, 57], Operations: ['20-17=3', '43+14=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,86 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,86 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: 86:[43, 14, 37], Operations: ['17+20=37'] Exploring Operation: 43-37=6, Resulting Numbers: [14, 6] Generated Node #0,2,0: 86:[14, 6] Operation: 43-37=6 Exploring Operation: 43+37=80, Resulting Numbers: [14, 80] Generated Node #0,2,1: 86:[14, 80] Operation: 43+37=80 Exploring Operation: 14+37=51, Resulting Numbers: [43, 51] Generated Node #0,2,2: 86:[43, 51] Operation: 14+37=51 Moving to Node #0,2,2 Current State: 86:[43, 51], Operations: ['17+20=37', '14+37=51'] Exploring Operation: 43*51=2193, Resulting Numbers: [2193] 2193,86 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,86 unequal: No Solution Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[14, 6], Operations: ['17+20=37', '43-37=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,86 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[14, 80], Operations: ['17+20=37', '43+37=80'] Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,86 unequal: No Solution Exploring Operation: 14*80=1120, Resulting Numbers: [1120] 1120,86 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,86 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 Current State: 86:[43, 20, 3], Operations: ['17-14=3'] Exploring Operation: 20*3=60, Resulting Numbers: [43, 60] Generated Node #0,1,0: 86:[43, 60] Operation: 20*3=60 Exploring Operation: 20+3=23, Resulting Numbers: [43, 23] Generated Node #0,1,1: 86:[43, 23] Operation: 20+3=23 Exploring Operation: 20-3=17, Resulting Numbers: [43, 17] Generated Node #0,1,2: 86:[43, 17] Operation: 20-3=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 86:[43, 17], Operations: ['17-14=3', '20-3=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,86 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,86 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,86 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: 86:[43, 60], Operations: ['17-14=3', '20*3=60'] Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,86 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,86 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: 86:[43, 23], Operations: ['17-14=3', '20+3=23'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 43*23=989, Resulting Numbers: [989] 989,86 unequal: No Solution Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,86 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
[ 66, 14, 16, 83 ]
13
[ "66+14=80", "83-16=67", "80-67=13" ]
Current State: 13:[66, 14, 16, 83], Operations: [] Exploring Operation: 66+14=80, Resulting Numbers: [16, 83, 80] Generated Node #2: [16, 83, 80] from Operation: 66+14=80 Current State: 13:[16, 83, 80], Operations: ['66+14=80'] Exploring Operation: 83-16=67, Resulting Numbers: [80, 67] Generated Node #3: [80, 67] from Operation: 83-16=67 Current State: 13:[80, 67], Operations: ['66+14=80', '83-16=67'] Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[66, 14, 16, 83], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [14, 83, 50] Generated Node #0,0: 13:[14, 83, 50] Operation: 66-16=50 Exploring Operation: 83-66=17, Resulting Numbers: [14, 16, 17] Generated Node #0,1: 13:[14, 16, 17] Operation: 83-66=17 Exploring Operation: 66-14=52, Resulting Numbers: [16, 83, 52] Generated Node #0,2: 13:[16, 83, 52] Operation: 66-14=52 Exploring Operation: 83-16=67, Resulting Numbers: [66, 14, 67] Generated Node #0,3: 13:[66, 14, 67] Operation: 83-16=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[14, 16, 17], Operations: ['83-66=17'] Exploring Operation: 17-16=1, Resulting Numbers: [14, 1] Generated Node #0,1,0: 13:[14, 1] Operation: 17-16=1 Exploring Operation: 17-14=3, Resulting Numbers: [16, 3] Generated Node #0,1,1: 13:[16, 3] Operation: 17-14=3 Exploring Operation: 14+16=30, Resulting Numbers: [17, 30] Generated Node #0,1,2: 13:[17, 30] Operation: 14+16=30 Exploring Operation: 16-14=2, Resulting Numbers: [17, 2] Generated Node #0,1,3: 13:[17, 2] Operation: 16-14=2 Moving to Node #0,1,0 Current State: 13:[14, 1], Operations: ['83-66=17', '17-16=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[66, 14, 16, 83], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [14, 16, 17] Generated Node #0,1: 13:[14, 16, 17] Operation: 83-66=17 Moving to Node #0,1 Current State: 13:[14, 16, 17], Operations: ['83-66=17'] Exploring Operation: 17-16=1, Resulting Numbers: [14, 1] Generated Node #0,1,0: 13:[14, 1] Operation: 17-16=1 Moving to Node #0,1,0 Current State: 13:[14, 1], Operations: ['83-66=17', '17-16=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 57, 8, 41, 77 ]
69
[ "57-8=49", "41+77=118", "118-49=69" ]
Current State: 69:[57, 8, 41, 77], Operations: [] Exploring Operation: 57-8=49, Resulting Numbers: [41, 77, 49] Generated Node #2: [41, 77, 49] from Operation: 57-8=49 Current State: 69:[41, 77, 49], Operations: ['57-8=49'] Exploring Operation: 41+77=118, Resulting Numbers: [49, 118] Generated Node #3: [49, 118] from Operation: 41+77=118 Current State: 69:[49, 118], Operations: ['57-8=49', '41+77=118'] Exploring Operation: 118-49=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[57, 8, 41, 77], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [8, 41, 20] Generated Node #0,0: 69:[8, 41, 20] Operation: 77-57=20 Exploring Operation: 57+8=65, Resulting Numbers: [41, 77, 65] Generated Node #0,1: 69:[41, 77, 65] Operation: 57+8=65 Exploring Operation: 41-8=33, Resulting Numbers: [57, 77, 33] Generated Node #0,2: 69:[57, 77, 33] Operation: 41-8=33 Exploring Operation: 57-41=16, Resulting Numbers: [8, 77, 16] Generated Node #0,3: 69:[8, 77, 16] Operation: 57-41=16 Moving to Node #0,3 Current State: 69:[8, 77, 16], Operations: ['57-41=16'] Exploring Operation: 16/8=2, Resulting Numbers: [77, 2] Generated Node #0,3,0: 69:[77, 2] Operation: 16/8=2 Exploring Operation: 8+16=24, Resulting Numbers: [77, 24] Generated Node #0,3,1: 69:[77, 24] Operation: 8+16=24 Exploring Operation: 16-8=8, Resulting Numbers: [77, 8] Generated Node #0,3,2: 69:[77, 8] Operation: 16-8=8 Exploring Operation: 77-8=69, Resulting Numbers: [16, 69] Generated Node #0,3,3: 69:[16, 69] Operation: 77-8=69 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 69:[16, 69], Operations: ['57-41=16', '77-8=69'] Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,69 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[77, 2], Operations: ['57-41=16', '16/8=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,69 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,69 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 69:[77, 24], Operations: ['57-41=16', '8+16=24'] Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,69 unequal: No Solution Exploring Operation: 77*24=1848, Resulting Numbers: [1848] 1848,69 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 69:[77, 8], Operations: ['57-41=16', '16-8=8'] Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[57, 8, 41, 77], Operations: [] Exploring Operation: 57-41=16, Resulting Numbers: [8, 77, 16] Generated Node #0,3: 69:[8, 77, 16] Operation: 57-41=16 Moving to Node #0,3 Current State: 69:[8, 77, 16], Operations: ['57-41=16'] Exploring Operation: 16-8=8, Resulting Numbers: [77, 8] Generated Node #0,3,2: 69:[77, 8] Operation: 16-8=8 Moving to Node #0,3,2 Current State: 69:[77, 8], Operations: ['57-41=16', '16-8=8'] Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 67, 74, 50, 49 ]
69
[ "74-49=25", "50/25=2", "67+2=69" ]
Current State: 69:[67, 74, 50, 49], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [67, 50, 25] Generated Node #2: [67, 50, 25] from Operation: 74-49=25 Current State: 69:[67, 50, 25], Operations: ['74-49=25'] Exploring Operation: 50/25=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 50/25=2 Current State: 69:[67, 2], Operations: ['74-49=25', '50/25=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[67, 74, 50, 49], Operations: [] Exploring Operation: 67-49=18, Resulting Numbers: [74, 50, 18] Generated Node #0,0: 69:[74, 50, 18] Operation: 67-49=18 Exploring Operation: 74-49=25, Resulting Numbers: [67, 50, 25] Generated Node #0,1: 69:[67, 50, 25] Operation: 74-49=25 Exploring Operation: 74-50=24, Resulting Numbers: [67, 49, 24] Generated Node #0,2: 69:[67, 49, 24] Operation: 74-50=24 Exploring Operation: 50-49=1, Resulting Numbers: [67, 74, 1] Generated Node #0,3: 69:[67, 74, 1] Operation: 50-49=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[67, 74, 1], Operations: ['50-49=1'] Exploring Operation: 67+1=68, Resulting Numbers: [74, 68] Generated Node #0,3,0: 69:[74, 68] Operation: 67+1=68 Exploring Operation: 67*1=67, Resulting Numbers: [74, 67] Generated Node #0,3,1: 69:[74, 67] Operation: 67*1=67 Exploring Operation: 74-1=73, Resulting Numbers: [67, 73] Generated Node #0,3,2: 69:[67, 73] Operation: 74-1=73 Exploring Operation: 74-67=7, Resulting Numbers: [1, 7] Generated Node #0,3,3: 69:[1, 7] Operation: 74-67=7 Moving to Node #0,3,0 Current State: 69:[74, 68], Operations: ['50-49=1', '67+1=68'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 74+68=142, Resulting Numbers: [142] 142,69 unequal: No Solution Exploring Operation: 74*68=5032, Resulting Numbers: [5032] 5032,69 unequal: No Solution Moving to Node #0,3,3 Current State: 69:[1, 7], Operations: ['50-49=1', '74-67=7'] Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[67, 73], Operations: ['50-49=1', '74-1=73'] Exploring Operation: 67+73=140, Resulting Numbers: [140] 140,69 unequal: No Solution Exploring Operation: 67*73=4891, Resulting Numbers: [4891] 4891,69 unequal: No Solution Exploring Operation: 73-67=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[74, 67], Operations: ['50-49=1', '67*1=67'] Exploring Operation: 74+67=141, Resulting Numbers: [141] 141,69 unequal: No Solution Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 74*67=4958, Resulting Numbers: [4958] 4958,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[67, 50, 25], Operations: ['74-49=25'] Exploring Operation: 50/25=2, Resulting Numbers: [67, 2] Generated Node #0,1,0: 69:[67, 2] Operation: 50/25=2 Exploring Operation: 50+25=75, Resulting Numbers: [67, 75] Generated Node #0,1,1: 69:[67, 75] Operation: 50+25=75 Exploring Operation: 50-25=25, Resulting Numbers: [67, 25] Generated Node #0,1,2: 69:[67, 25] Operation: 50-25=25 Exploring Operation: 67-50=17, Resulting Numbers: [25, 17] Generated Node #0,1,3: 69:[25, 17] Operation: 67-50=17 Moving to Node #0,1,0 Current State: 69:[67, 2], Operations: ['74-49=25', '50/25=2'] Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,69 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,69 unequal: No Solution Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[67, 74, 50, 49], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [67, 50, 25] Generated Node #0,1: 69:[67, 50, 25] Operation: 74-49=25 Moving to Node #0,1 Current State: 69:[67, 50, 25], Operations: ['74-49=25'] Exploring Operation: 50/25=2, Resulting Numbers: [67, 2] Generated Node #0,1,0: 69:[67, 2] Operation: 50/25=2 Moving to Node #0,1,0 Current State: 69:[67, 2], Operations: ['74-49=25', '50/25=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic