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
[ 49, 22, 28, 41 ]
15
[ "49+41=90", "28-22=6", "90/6=15" ]
Current State: 15:[49, 22, 28, 41], Operations: [] Exploring Operation: 49+41=90, Resulting Numbers: [22, 28, 90] Generated Node #2: [22, 28, 90] from Operation: 49+41=90 Current State: 15:[22, 28, 90], Operations: ['49+41=90'] Exploring Operation: 28-22=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 28-22=6 Current State: 15:[90, 6], Operations: ['49+41=90', '28-22=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[49, 22, 28, 41], Operations: [] Exploring Operation: 49-41=8, Resulting Numbers: [22, 28, 8] Generated Node #0,0: 15:[22, 28, 8] Operation: 49-41=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[22, 28, 8], Operations: ['49-41=8'] Exploring Operation: 28-22=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 15:[8, 6] Operation: 28-22=6 Moving to Node #0,0,0 Current State: 15:[8, 6], Operations: ['49-41=8', '28-22=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 45, 55, 74 ]
74
[ "10+45=55", "55+74=129", "129-55=74" ]
Current State: 74:[10, 45, 55, 74], Operations: [] Exploring Operation: 10+45=55, Resulting Numbers: [55, 74, 55] Generated Node #2: [55, 74, 55] from Operation: 10+45=55 Current State: 74:[55, 74, 55], Operations: ['10+45=55'] Exploring Operation: 55+74=129, Resulting Numbers: [129] 129,74 equal: Goal Reached Exploring Operation: 129-55=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[10, 45, 55, 74], Operations: [] Exploring Operation: 55-10=45, Resulting Numbers: [45, 74, 45] Generated Node #0,0: 74:[45, 74, 45] Operation: 55-10=45 Exploring Operation: 55-45=10, Resulting Numbers: [10, 74, 10] Generated Node #0,1: 74:[10, 74, 10] Operation: 55-45=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[45, 74, 45], Operations: ['55-10=45'] Exploring Operation: 45/45=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 45/45=1 Exploring Operation: 45-45=0, Resulting Numbers: [74, 0] Generated Node #0,0,1: 74:[74, 0] Operation: 45-45=0 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['55-10=45', '45/45=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[10, 45, 55, 74], Operations: [] Exploring Operation: 55-10=45, Resulting Numbers: [45, 74, 45] Generated Node #0,0: 74:[45, 74, 45] Operation: 55-10=45 Moving to Node #0,0 Current State: 74:[45, 74, 45], Operations: ['55-10=45'] Exploring Operation: 45/45=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 45/45=1 Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['55-10=45', '45/45=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 3, 7, 20, 88 ]
83
[ "7-3=4", "20/4=5", "88-5=83" ]
Current State: 83:[3, 7, 20, 88], Operations: [] Exploring Operation: 7-3=4, Resulting Numbers: [20, 88, 4] Generated Node #2: [20, 88, 4] from Operation: 7-3=4 Current State: 83:[20, 88, 4], Operations: ['7-3=4'] Exploring Operation: 20/4=5, Resulting Numbers: [88, 5] Generated Node #3: [88, 5] from Operation: 20/4=5 Current State: 83:[88, 5], Operations: ['7-3=4', '20/4=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[3, 7, 20, 88], Operations: [] Exploring Operation: 3+20=23, Resulting Numbers: [7, 88, 23] Generated Node #0,0: 83:[7, 88, 23] Operation: 3+20=23 Exploring Operation: 3*7=21, Resulting Numbers: [20, 88, 21] Generated Node #0,1: 83:[20, 88, 21] Operation: 3*7=21 Exploring Operation: 3*20=60, Resulting Numbers: [7, 88, 60] Generated Node #0,2: 83:[7, 88, 60] Operation: 3*20=60 Exploring Operation: 3+7=10, Resulting Numbers: [20, 88, 10] Generated Node #0,3: 83:[20, 88, 10] Operation: 3+7=10 Moving to Node #0,2 Current State: 83:[7, 88, 60], Operations: ['3*20=60'] Exploring Operation: 60-7=53, Resulting Numbers: [88, 53] Generated Node #0,2,0: 83:[88, 53] Operation: 60-7=53 Exploring Operation: 7+88=95, Resulting Numbers: [60, 95] Generated Node #0,2,1: 83:[60, 95] Operation: 7+88=95 Exploring Operation: 7+60=67, Resulting Numbers: [88, 67] Generated Node #0,2,2: 83:[88, 67] Operation: 7+60=67 Exploring Operation: 88-7=81, Resulting Numbers: [60, 81] Generated Node #0,2,3: 83:[60, 81] Operation: 88-7=81 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[88, 67], Operations: ['3*20=60', '7+60=67'] Exploring Operation: 88*67=5896, Resulting Numbers: [5896] 5896,83 unequal: No Solution Exploring Operation: 88-67=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 88+67=155, Resulting Numbers: [155] 155,83 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:[60, 81], Operations: ['3*20=60', '88-7=81'] Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,83 unequal: No Solution Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,83 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:[88, 53], Operations: ['3*20=60', '60-7=53'] Exploring Operation: 88+53=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 88-53=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 88*53=4664, Resulting Numbers: [4664] 4664,83 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 #0,2,1 Current State: 83:[60, 95], Operations: ['3*20=60', '7+88=95'] Exploring Operation: 60*95=5700, Resulting Numbers: [5700] 5700,83 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 60+95=155, Resulting Numbers: [155] 155,83 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:[20, 88, 21], Operations: ['3*7=21'] Exploring Operation: 88-20=68, Resulting Numbers: [21, 68] Generated Node #0,1,0: 83:[21, 68] Operation: 88-20=68 Exploring Operation: 20+88=108, Resulting Numbers: [21, 108] Generated Node #0,1,1: 83:[21, 108] Operation: 20+88=108 Exploring Operation: 88-21=67, Resulting Numbers: [20, 67] Generated Node #0,1,2: 83:[20, 67] Operation: 88-21=67 Exploring Operation: 20+21=41, Resulting Numbers: [88, 41] Generated Node #0,1,3: 83:[88, 41] Operation: 20+21=41 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[88, 41], Operations: ['3*7=21', '20+21=41'] Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,83 unequal: No Solution Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,83 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 #0,1,0 Current State: 83:[21, 68], Operations: ['3*7=21', '88-20=68'] Exploring Operation: 21*68=1428, Resulting Numbers: [1428] 1428,83 unequal: No Solution Exploring Operation: 21+68=89, Resulting Numbers: [89] 89,83 unequal: No Solution Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,83 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 #0,1,2 Current State: 83:[20, 67], Operations: ['3*7=21', '88-21=67'] Exploring Operation: 20+67=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,83 unequal: No Solution Exploring Operation: 20*67=1340, Resulting Numbers: [1340] 1340,83 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 #0,1,1 Current State: 83:[21, 108], Operations: ['3*7=21', '20+88=108'] Exploring Operation: 21*108=2268, Resulting Numbers: [2268] 2268,83 unequal: No Solution Exploring Operation: 21+108=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 108-21=87, Resulting Numbers: [87] 87,83 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: 83:[20, 88, 10], Operations: ['3+7=10'] Exploring Operation: 88-10=78, Resulting Numbers: [20, 78] Generated Node #0,3,0: 83:[20, 78] Operation: 88-10=78 Exploring Operation: 20-10=10, Resulting Numbers: [88, 10] Generated Node #0,3,1: 83:[88, 10] Operation: 20-10=10 Exploring Operation: 88+10=98, Resulting Numbers: [20, 98] Generated Node #0,3,2: 83:[20, 98] Operation: 88+10=98 Exploring Operation: 20+10=30, Resulting Numbers: [88, 30] Generated Node #0,3,3: 83:[88, 30] Operation: 20+10=30 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[88, 30], Operations: ['3+7=10', '20+10=30'] Exploring Operation: 88*30=2640, Resulting Numbers: [2640] 2640,83 unequal: No Solution Exploring Operation: 88+30=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,83 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 #0,3,0 Current State: 83:[20, 78], Operations: ['3+7=10', '88-10=78'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 20+78=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 20*78=1560, Resulting Numbers: [1560] 1560,83 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:[88, 10], Operations: ['3+7=10', '20-10=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,83 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,83 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,83 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:[20, 98], Operations: ['3+7=10', '88+10=98'] Exploring Operation: 20+98=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 20*98=1960, Resulting Numbers: [1960] 1960,83 unequal: No Solution Exploring Operation: 98-20=78, Resulting Numbers: [78] 78,83 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: 83:[7, 88, 23], Operations: ['3+20=23'] Exploring Operation: 7+88=95, Resulting Numbers: [23, 95] Generated Node #0,0,0: 83:[23, 95] Operation: 7+88=95 Exploring Operation: 88-7=81, Resulting Numbers: [23, 81] Generated Node #0,0,1: 83:[23, 81] Operation: 88-7=81 Exploring Operation: 7+23=30, Resulting Numbers: [88, 30] Generated Node #0,0,2: 83:[88, 30] Operation: 7+23=30 Exploring Operation: 23-7=16, Resulting Numbers: [88, 16] Generated Node #0,0,3: 83:[88, 16] Operation: 23-7=16 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[88, 30], Operations: ['3+20=23', '7+23=30'] Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 88+30=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 88*30=2640, Resulting Numbers: [2640] 2640,83 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 #0,0,1 Current State: 83:[23, 81], Operations: ['3+20=23', '88-7=81'] Exploring Operation: 23+81=104, Resulting Numbers: [104] 104,83 unequal: No Solution Exploring Operation: 23*81=1863, Resulting Numbers: [1863] 1863,83 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,83 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 #0,0,0 Current State: 83:[23, 95], Operations: ['3+20=23', '7+88=95'] Exploring Operation: 23*95=2185, Resulting Numbers: [2185] 2185,83 unequal: No Solution Exploring Operation: 23+95=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,83 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 #0,0,3 Current State: 83:[88, 16], Operations: ['3+20=23', '23-7=16'] Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,83 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,83 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,83 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
[ 36, 29, 42, 45 ]
62
[ "36+29=65", "45-42=3", "65-3=62" ]
Current State: 62:[36, 29, 42, 45], Operations: [] Exploring Operation: 36+29=65, Resulting Numbers: [42, 45, 65] Generated Node #2: [42, 45, 65] from Operation: 36+29=65 Current State: 62:[42, 45, 65], Operations: ['36+29=65'] Exploring Operation: 45-42=3, Resulting Numbers: [65, 3] Generated Node #3: [65, 3] from Operation: 45-42=3 Current State: 62:[65, 3], Operations: ['36+29=65', '45-42=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[36, 29, 42, 45], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [29, 42, 9] Generated Node #0,0: 62:[29, 42, 9] Operation: 45-36=9 Exploring Operation: 42-36=6, Resulting Numbers: [29, 45, 6] Generated Node #0,1: 62:[29, 45, 6] Operation: 42-36=6 Exploring Operation: 36+29=65, Resulting Numbers: [42, 45, 65] Generated Node #0,2: 62:[42, 45, 65] Operation: 36+29=65 Exploring Operation: 45-42=3, Resulting Numbers: [36, 29, 3] Generated Node #0,3: 62:[36, 29, 3] Operation: 45-42=3 Exploring Operation: 29+42=71, Resulting Numbers: [36, 45, 71] Generated Node #0,4: 62:[36, 45, 71] Operation: 29+42=71 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[36, 29, 3], Operations: ['45-42=3'] Exploring Operation: 36+3=39, Resulting Numbers: [29, 39] Generated Node #0,3,0: 62:[29, 39] Operation: 36+3=39 Exploring Operation: 36-3=33, Resulting Numbers: [29, 33] Generated Node #0,3,1: 62:[29, 33] Operation: 36-3=33 Exploring Operation: 36-29=7, Resulting Numbers: [3, 7] Generated Node #0,3,2: 62:[3, 7] Operation: 36-29=7 Exploring Operation: 29+3=32, Resulting Numbers: [36, 32] Generated Node #0,3,3: 62:[36, 32] Operation: 29+3=32 Exploring Operation: 36+29=65, Resulting Numbers: [3, 65] Generated Node #0,3,4: 62:[3, 65] Operation: 36+29=65 Moving to Node #0,3,1 Current State: 62:[29, 33], Operations: ['45-42=3', '36-3=33'] Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[36, 29, 42, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [36, 29, 3] Generated Node #0,3: 62:[36, 29, 3] Operation: 45-42=3 Moving to Node #0,3 Current State: 62:[36, 29, 3], Operations: ['45-42=3'] Exploring Operation: 36-3=33, Resulting Numbers: [29, 33] Generated Node #0,3,1: 62:[29, 33] Operation: 36-3=33 Moving to Node #0,3,1 Current State: 62:[29, 33], Operations: ['45-42=3', '36-3=33'] Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 24, 17, 55, 93 ]
26
[ "17+93=110", "110/55=2", "24+2=26" ]
Current State: 26:[24, 17, 55, 93], Operations: [] Exploring Operation: 17+93=110, Resulting Numbers: [24, 55, 110] Generated Node #2: [24, 55, 110] from Operation: 17+93=110 Current State: 26:[24, 55, 110], Operations: ['17+93=110'] Exploring Operation: 110/55=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 110/55=2 Current State: 26:[24, 2], Operations: ['17+93=110', '110/55=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[24, 17, 55, 93], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [24, 93, 38] Generated Node #0,0: 26:[24, 93, 38] Operation: 55-17=38 Exploring Operation: 55-24=31, Resulting Numbers: [17, 93, 31] Generated Node #0,1: 26:[17, 93, 31] Operation: 55-24=31 Exploring Operation: 93-24=69, Resulting Numbers: [17, 55, 69] Generated Node #0,2: 26:[17, 55, 69] Operation: 93-24=69 Exploring Operation: 93-55=38, Resulting Numbers: [24, 17, 38] Generated Node #0,3: 26:[24, 17, 38] Operation: 93-55=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[24, 17, 38], Operations: ['93-55=38'] Exploring Operation: 38-24=14, Resulting Numbers: [17, 14] Generated Node #0,3,0: 26:[17, 14] Operation: 38-24=14 Exploring Operation: 38-17=21, Resulting Numbers: [24, 21] Generated Node #0,3,1: 26:[24, 21] Operation: 38-17=21 Exploring Operation: 24+17=41, Resulting Numbers: [38, 41] Generated Node #0,3,2: 26:[38, 41] Operation: 24+17=41 Exploring Operation: 24-17=7, Resulting Numbers: [38, 7] Generated Node #0,3,3: 26:[38, 7] Operation: 24-17=7 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[17, 14], Operations: ['93-55=38', '38-24=14'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[24, 21], Operations: ['93-55=38', '38-17=21'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,26 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[38, 7], Operations: ['93-55=38', '24-17=7'] Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,26 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[38, 41], Operations: ['93-55=38', '24+17=41'] Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 38*41=1558, Resulting Numbers: [1558] 1558,26 unequal: No Solution Exploring Operation: 38+41=79, Resulting Numbers: [79] 79,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[17, 93, 31], Operations: ['55-24=31'] Exploring Operation: 31-17=14, Resulting Numbers: [93, 14] Generated Node #0,1,0: 26:[93, 14] Operation: 31-17=14 Exploring Operation: 93-31=62, Resulting Numbers: [17, 62] Generated Node #0,1,1: 26:[17, 62] Operation: 93-31=62 Exploring Operation: 93-17=76, Resulting Numbers: [31, 76] Generated Node #0,1,2: 26:[31, 76] Operation: 93-17=76 Exploring Operation: 93/31=3, Resulting Numbers: [17, 3] Generated Node #0,1,3: 26:[17, 3] Operation: 93/31=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 26:[17, 3], Operations: ['55-24=31', '93/31=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,26 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[17, 62], Operations: ['55-24=31', '93-31=62'] Exploring Operation: 17*62=1054, Resulting Numbers: [1054] 1054,26 unequal: No Solution Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 17+62=79, Resulting Numbers: [79] 79,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[31, 76], Operations: ['55-24=31', '93-17=76'] Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,26 unequal: No Solution Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[93, 14], Operations: ['55-24=31', '31-17=14'] Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,26 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[17, 55, 69], Operations: ['93-24=69'] Exploring Operation: 69-17=52, Resulting Numbers: [55, 52] Generated Node #0,2,0: 26:[55, 52] Operation: 69-17=52 Exploring Operation: 17+55=72, Resulting Numbers: [69, 72] Generated Node #0,2,1: 26:[69, 72] Operation: 17+55=72 Exploring Operation: 69-55=14, Resulting Numbers: [17, 14] Generated Node #0,2,2: 26:[17, 14] Operation: 69-55=14 Exploring Operation: 55-17=38, Resulting Numbers: [69, 38] Generated Node #0,2,3: 26:[69, 38] Operation: 55-17=38 Moving to Node #0,2,2 Current State: 26:[17, 14], Operations: ['93-24=69', '69-55=14'] Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,26 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[69, 38], Operations: ['93-24=69', '55-17=38'] Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 69*38=2622, Resulting Numbers: [2622] 2622,26 unequal: No Solution Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[55, 52], Operations: ['93-24=69', '69-17=52'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,26 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[69, 72], Operations: ['93-24=69', '17+55=72'] Exploring Operation: 69*72=4968, Resulting Numbers: [4968] 4968,26 unequal: No Solution Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 69+72=141, Resulting Numbers: [141] 141,26 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 Current State: 26:[24, 93, 38], Operations: ['55-17=38'] Exploring Operation: 93-38=55, Resulting Numbers: [24, 55] Generated Node #0,0,0: 26:[24, 55] Operation: 93-38=55 Exploring Operation: 24+93=117, Resulting Numbers: [38, 117] Generated Node #0,0,1: 26:[38, 117] Operation: 24+93=117 Exploring Operation: 38-24=14, Resulting Numbers: [93, 14] Generated Node #0,0,2: 26:[93, 14] Operation: 38-24=14 Exploring Operation: 93-24=69, Resulting Numbers: [38, 69] Generated Node #0,0,3: 26:[38, 69] Operation: 93-24=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[24, 55], Operations: ['55-17=38', '93-38=55'] Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,26 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 26:[38, 69], Operations: ['55-17=38', '93-24=69'] Exploring Operation: 38*69=2622, Resulting Numbers: [2622] 2622,26 unequal: No Solution Exploring Operation: 38+69=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[93, 14], Operations: ['55-17=38', '38-24=14'] Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,26 unequal: No Solution Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[38, 117], Operations: ['55-17=38', '24+93=117'] Exploring Operation: 38+117=155, Resulting Numbers: [155] 155,26 unequal: No Solution Exploring Operation: 117-38=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 38*117=4446, Resulting Numbers: [4446] 4446,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 61, 42, 77, 3 ]
61
[ "61-42=19", "77+3=80", "80-19=61" ]
Current State: 61:[61, 42, 77, 3], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [77, 3, 19] Generated Node #2: [77, 3, 19] from Operation: 61-42=19 Current State: 61:[77, 3, 19], Operations: ['61-42=19'] Exploring Operation: 77+3=80, Resulting Numbers: [19, 80] Generated Node #3: [19, 80] from Operation: 77+3=80 Current State: 61:[19, 80], Operations: ['61-42=19', '77+3=80'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[61, 42, 77, 3], Operations: [] Exploring Operation: 61-3=58, Resulting Numbers: [42, 77, 58] Generated Node #0,0: 61:[42, 77, 58] Operation: 61-3=58 Exploring Operation: 77-3=74, Resulting Numbers: [61, 42, 74] Generated Node #0,1: 61:[61, 42, 74] Operation: 77-3=74 Exploring Operation: 42+3=45, Resulting Numbers: [61, 77, 45] Generated Node #0,2: 61:[61, 77, 45] Operation: 42+3=45 Exploring Operation: 61+3=64, Resulting Numbers: [42, 77, 64] Generated Node #0,3: 61:[42, 77, 64] Operation: 61+3=64 Moving to Node #0,1 Current State: 61:[61, 42, 74], Operations: ['77-3=74'] Exploring Operation: 74-42=32, Resulting Numbers: [61, 32] Generated Node #0,1,0: 61:[61, 32] Operation: 74-42=32 Exploring Operation: 42+74=116, Resulting Numbers: [61, 116] Generated Node #0,1,1: 61:[61, 116] Operation: 42+74=116 Exploring Operation: 61-42=19, Resulting Numbers: [74, 19] Generated Node #0,1,2: 61:[74, 19] Operation: 61-42=19 Exploring Operation: 61+42=103, Resulting Numbers: [74, 103] Generated Node #0,1,3: 61:[74, 103] Operation: 61+42=103 Moving to Node #0,2 Current State: 61:[61, 77, 45], Operations: ['42+3=45'] Exploring Operation: 61+45=106, Resulting Numbers: [77, 106] Generated Node #0,2,0: 61:[77, 106] Operation: 61+45=106 Exploring Operation: 77-61=16, Resulting Numbers: [45, 16] Generated Node #0,2,1: 61:[45, 16] Operation: 77-61=16 Exploring Operation: 77-45=32, Resulting Numbers: [61, 32] Generated Node #0,2,2: 61:[61, 32] Operation: 77-45=32 Exploring Operation: 61-45=16, Resulting Numbers: [77, 16] Generated Node #0,2,3: 61:[77, 16] Operation: 61-45=16 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[61, 32], Operations: ['42+3=45', '77-45=32'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,61 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,61 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[77, 106], Operations: ['42+3=45', '61+45=106'] Exploring Operation: 106-77=29, Resulting Numbers: [29] 29,61 unequal: No Solution Exploring Operation: 77+106=183, Resulting Numbers: [183] 183,61 unequal: No Solution Exploring Operation: 77*106=8162, Resulting Numbers: [8162] 8162,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[45, 16], Operations: ['42+3=45', '77-61=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[61, 42, 77, 3], Operations: [] Exploring Operation: 42+3=45, Resulting Numbers: [61, 77, 45] Generated Node #0,2: 61:[61, 77, 45] Operation: 42+3=45 Moving to Node #0,2 Current State: 61:[61, 77, 45], Operations: ['42+3=45'] Exploring Operation: 77-61=16, Resulting Numbers: [45, 16] Generated Node #0,2,1: 61:[45, 16] Operation: 77-61=16 Moving to Node #0,2,1 Current State: 61:[45, 16], Operations: ['42+3=45', '77-61=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 24, 92, 26, 46 ]
37
[ "92/46=2", "26/2=13", "24+13=37" ]
Current State: 37:[24, 92, 26, 46], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [24, 26, 2] Generated Node #2: [24, 26, 2] from Operation: 92/46=2 Current State: 37:[24, 26, 2], Operations: ['92/46=2'] Exploring Operation: 26/2=13, Resulting Numbers: [24, 13] Generated Node #3: [24, 13] from Operation: 26/2=13 Current State: 37:[24, 13], Operations: ['92/46=2', '26/2=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[24, 92, 26, 46], Operations: [] Exploring Operation: 92-24=68, Resulting Numbers: [26, 46, 68] Generated Node #0,0: 37:[26, 46, 68] Operation: 92-24=68 Exploring Operation: 92-26=66, Resulting Numbers: [24, 46, 66] Generated Node #0,1: 37:[24, 46, 66] Operation: 92-26=66 Exploring Operation: 24+26=50, Resulting Numbers: [92, 46, 50] Generated Node #0,2: 37:[92, 46, 50] Operation: 24+26=50 Exploring Operation: 92-46=46, Resulting Numbers: [24, 26, 46] Generated Node #0,3: 37:[24, 26, 46] Operation: 92-46=46 Exploring Operation: 92/46=2, Resulting Numbers: [24, 26, 2] Generated Node #0,4: 37:[24, 26, 2] Operation: 92/46=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[24, 26, 46], Operations: ['92-46=46'] Exploring Operation: 26-24=2, Resulting Numbers: [46, 2] Generated Node #0,3,0: 37:[46, 2] Operation: 26-24=2 Exploring Operation: 24+26=50, Resulting Numbers: [46, 50] Generated Node #0,3,1: 37:[46, 50] Operation: 24+26=50 Exploring Operation: 24+46=70, Resulting Numbers: [26, 70] Generated Node #0,3,2: 37:[26, 70] Operation: 24+46=70 Exploring Operation: 46-26=20, Resulting Numbers: [24, 20] Generated Node #0,3,3: 37:[24, 20] Operation: 46-26=20 Exploring Operation: 46-24=22, Resulting Numbers: [26, 22] Generated Node #0,3,4: 37:[26, 22] Operation: 46-24=22 Moving to Node #0,3,1 Current State: 37:[46, 50], Operations: ['92-46=46', '24+26=50'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 46*50=2300, Resulting Numbers: [2300] 2300,37 unequal: No Solution Moving to Node #0,3,4 Current State: 37:[26, 22], Operations: ['92-46=46', '46-24=22'] Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,37 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[24, 20], Operations: ['92-46=46', '46-26=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[46, 2], Operations: ['92-46=46', '26-24=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,37 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[26, 70], Operations: ['92-46=46', '24+46=70'] Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,37 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,37 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 #0,0 Current State: 37:[26, 46, 68], Operations: ['92-24=68'] Exploring Operation: 26+68=94, Resulting Numbers: [46, 94] Generated Node #0,0,0: 37:[46, 94] Operation: 26+68=94 Exploring Operation: 68-26=42, Resulting Numbers: [46, 42] Generated Node #0,0,1: 37:[46, 42] Operation: 68-26=42 Exploring Operation: 26+46=72, Resulting Numbers: [68, 72] Generated Node #0,0,2: 37:[68, 72] Operation: 26+46=72 Exploring Operation: 46-26=20, Resulting Numbers: [68, 20] Generated Node #0,0,3: 37:[68, 20] Operation: 46-26=20 Exploring Operation: 68-46=22, Resulting Numbers: [26, 22] Generated Node #0,0,4: 37:[26, 22] Operation: 68-46=22 Moving to Node #0,0,1 Current State: 37:[46, 42], Operations: ['92-24=68', '68-26=42'] Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,37 unequal: No Solution Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,37 unequal: No Solution Moving to Node #0,0,4 Current State: 37:[26, 22], Operations: ['92-24=68', '68-46=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[68, 20], Operations: ['92-24=68', '46-26=20'] Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,37 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[46, 94], Operations: ['92-24=68', '26+68=94'] Exploring Operation: 46*94=4324, Resulting Numbers: [4324] 4324,37 unequal: No Solution Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 46+94=140, Resulting Numbers: [140] 140,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[68, 72], Operations: ['92-24=68', '26+46=72'] Exploring Operation: 72-68=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 68*72=4896, Resulting Numbers: [4896] 4896,37 unequal: No Solution Exploring Operation: 68+72=140, Resulting Numbers: [140] 140,37 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 Current State: 37:[24, 46, 66], Operations: ['92-26=66'] Exploring Operation: 24+66=90, Resulting Numbers: [46, 90] Generated Node #0,1,0: 37:[46, 90] Operation: 24+66=90 Exploring Operation: 24+46=70, Resulting Numbers: [66, 70] Generated Node #0,1,1: 37:[66, 70] Operation: 24+46=70 Exploring Operation: 66-24=42, Resulting Numbers: [46, 42] Generated Node #0,1,2: 37:[46, 42] Operation: 66-24=42 Exploring Operation: 46-24=22, Resulting Numbers: [66, 22] Generated Node #0,1,3: 37:[66, 22] Operation: 46-24=22 Exploring Operation: 66-46=20, Resulting Numbers: [24, 20] Generated Node #0,1,4: 37:[24, 20] Operation: 66-46=20 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[46, 42], Operations: ['92-26=66', '66-24=42'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,37 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: 37:[24, 20], Operations: ['92-26=66', '66-46=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,37 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,37 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: 37:[66, 22], Operations: ['92-26=66', '46-24=22'] Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 66*22=1452, Resulting Numbers: [1452] 1452,37 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 66+22=88, Resulting Numbers: [88] 88,37 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: 37:[46, 90], Operations: ['92-26=66', '24+66=90'] Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,37 unequal: No Solution Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,37 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,37 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: 37:[66, 70], Operations: ['92-26=66', '24+46=70'] Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 66*70=4620, Resulting Numbers: [4620] 4620,37 unequal: No Solution Exploring Operation: 66+70=136, Resulting Numbers: [136] 136,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 37:[24, 26, 2], Operations: ['92/46=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26, 26] Generated Node #0,4,0: 37:[26, 26] Operation: 24+2=26 Exploring Operation: 26+2=28, Resulting Numbers: [24, 28] Generated Node #0,4,1: 37:[24, 28] Operation: 26+2=28 Exploring Operation: 26-2=24, Resulting Numbers: [24, 24] Generated Node #0,4,2: 37:[24, 24] Operation: 26-2=24 Exploring Operation: 24*2=48, Resulting Numbers: [26, 48] Generated Node #0,4,3: 37:[26, 48] Operation: 24*2=48 Exploring Operation: 24-2=22, Resulting Numbers: [26, 22] Generated Node #0,4,4: 37:[26, 22] Operation: 24-2=22 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 37:[26, 26], Operations: ['92/46=2', '24+2=26'] Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,37 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,37 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: 37:[24, 28], Operations: ['92/46=2', '26+2=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,37 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: 37:[26, 48], Operations: ['92/46=2', '24*2=48'] Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,37 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,37 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,37 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: 37:[24, 24], Operations: ['92/46=2', '26-2=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,37 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,37 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: 37:[26, 22], Operations: ['92/46=2', '24-2=22'] Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,37 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,37 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: 37:[92, 46, 50], Operations: ['24+26=50'] Exploring Operation: 92-50=42, Resulting Numbers: [46, 42] Generated Node #0,2,0: 37:[46, 42] Operation: 92-50=42 Exploring Operation: 92+46=138, Resulting Numbers: [50, 138] Generated Node #0,2,1: 37:[50, 138] Operation: 92+46=138 Exploring Operation: 92/46=2, Resulting Numbers: [50, 2] Generated Node #0,2,2: 37:[50, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [50, 46] Generated Node #0,2,3: 37:[50, 46] Operation: 92-46=46 Exploring Operation: 50-46=4, Resulting Numbers: [92, 4] Generated Node #0,2,4: 37:[92, 4] Operation: 50-46=4 Moving to Node #0,2,0 Current State: 37:[46, 42], Operations: ['24+26=50', '92-50=42'] Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,37 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[50, 46], Operations: ['24+26=50', '92-46=46'] Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,37 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[50, 2], Operations: ['24+26=50', '92/46=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,37 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[92, 4], Operations: ['24+26=50', '50-46=4'] Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,37 unequal: No Solution Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 92*4=368, Resulting Numbers: [368] 368,37 unequal: No Solution Exploring Operation: 92+4=96, Resulting Numbers: [96] 96,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[50, 138], Operations: ['24+26=50', '92+46=138'] Exploring Operation: 138-50=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 50+138=188, Resulting Numbers: [188] 188,37 unequal: No Solution Exploring Operation: 50*138=6900, Resulting Numbers: [6900] 6900,37 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
[ 36, 54, 44, 10 ]
26
[ "44-36=8", "10*8=80", "80-54=26" ]
Current State: 26:[36, 54, 44, 10], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [54, 10, 8] Generated Node #2: [54, 10, 8] from Operation: 44-36=8 Current State: 26:[54, 10, 8], Operations: ['44-36=8'] Exploring Operation: 10*8=80, Resulting Numbers: [54, 80] Generated Node #3: [54, 80] from Operation: 10*8=80 Current State: 26:[54, 80], Operations: ['44-36=8', '10*8=80'] Exploring Operation: 80-54=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[36, 54, 44, 10], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [36, 10, 10] Generated Node #0,0: 26:[36, 10, 10] Operation: 54-44=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[36, 10, 10], Operations: ['54-44=10'] Exploring Operation: 36-10=26, Resulting Numbers: [10, 26] Generated Node #0,0,0: 26:[10, 26] Operation: 36-10=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[10, 26], Operations: ['54-44=10', '36-10=26'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 33, 77, 20, 37 ]
93
[ "33+77=110", "37-20=17", "110-17=93" ]
Current State: 93:[33, 77, 20, 37], Operations: [] Exploring Operation: 33+77=110, Resulting Numbers: [20, 37, 110] Generated Node #2: [20, 37, 110] from Operation: 33+77=110 Current State: 93:[20, 37, 110], Operations: ['33+77=110'] Exploring Operation: 37-20=17, Resulting Numbers: [110, 17] Generated Node #3: [110, 17] from Operation: 37-20=17 Current State: 93:[110, 17], Operations: ['33+77=110', '37-20=17'] Exploring Operation: 110-17=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[33, 77, 20, 37], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [77, 20, 4] Generated Node #0,0: 93:[77, 20, 4] Operation: 37-33=4 Exploring Operation: 77-37=40, Resulting Numbers: [33, 20, 40] Generated Node #0,1: 93:[33, 20, 40] Operation: 77-37=40 Exploring Operation: 77+20=97, Resulting Numbers: [33, 37, 97] Generated Node #0,2: 93:[33, 37, 97] Operation: 77+20=97 Moving to Node #0,2 Current State: 93:[33, 37, 97], Operations: ['77+20=97'] Exploring Operation: 33+37=70, Resulting Numbers: [97, 70] Generated Node #0,2,0: 93:[97, 70] Operation: 33+37=70 Exploring Operation: 37-33=4, Resulting Numbers: [97, 4] Generated Node #0,2,1: 93:[97, 4] Operation: 37-33=4 Exploring Operation: 97-37=60, Resulting Numbers: [33, 60] Generated Node #0,2,2: 93:[33, 60] Operation: 97-37=60 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[97, 4], Operations: ['77+20=97', '37-33=4'] Exploring Operation: 97+4=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 97*4=388, Resulting Numbers: [388] 388,93 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[33, 77, 20, 37], Operations: [] Exploring Operation: 77+20=97, Resulting Numbers: [33, 37, 97] Generated Node #0,2: 93:[33, 37, 97] Operation: 77+20=97 Moving to Node #0,2 Current State: 93:[33, 37, 97], Operations: ['77+20=97'] Exploring Operation: 37-33=4, Resulting Numbers: [97, 4] Generated Node #0,2,1: 93:[97, 4] Operation: 37-33=4 Moving to Node #0,2,1 Current State: 93:[97, 4], Operations: ['77+20=97', '37-33=4'] Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 5, 39, 42, 37 ]
29
[ "39-5=34", "42-37=5", "34-5=29" ]
Current State: 29:[5, 39, 42, 37], Operations: [] Exploring Operation: 39-5=34, Resulting Numbers: [42, 37, 34] Generated Node #2: [42, 37, 34] from Operation: 39-5=34 Current State: 29:[42, 37, 34], Operations: ['39-5=34'] Exploring Operation: 42-37=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 42-37=5 Current State: 29:[34, 5], Operations: ['39-5=34', '42-37=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[5, 39, 42, 37], Operations: [] Exploring Operation: 37-5=32, Resulting Numbers: [39, 42, 32] Generated Node #0,0: 29:[39, 42, 32] Operation: 37-5=32 Exploring Operation: 39-5=34, Resulting Numbers: [42, 37, 34] Generated Node #0,1: 29:[42, 37, 34] Operation: 39-5=34 Exploring Operation: 42-5=37, Resulting Numbers: [39, 37, 37] Generated Node #0,2: 29:[39, 37, 37] Operation: 42-5=37 Exploring Operation: 5+39=44, Resulting Numbers: [42, 37, 44] Generated Node #0,3: 29:[42, 37, 44] Operation: 5+39=44 Moving to Node #0,0 Current State: 29:[39, 42, 32], Operations: ['37-5=32'] Exploring Operation: 39-32=7, Resulting Numbers: [42, 7] Generated Node #0,0,0: 29:[42, 7] Operation: 39-32=7 Exploring Operation: 39+42=81, Resulting Numbers: [32, 81] Generated Node #0,0,1: 29:[32, 81] Operation: 39+42=81 Exploring Operation: 42-32=10, Resulting Numbers: [39, 10] Generated Node #0,0,2: 29:[39, 10] Operation: 42-32=10 Exploring Operation: 42-39=3, Resulting Numbers: [32, 3] Generated Node #0,0,3: 29:[32, 3] Operation: 42-39=3 Moving to Node #0,2 Current State: 29:[39, 37, 37], Operations: ['42-5=37'] Exploring Operation: 39-37=2, Resulting Numbers: [37, 2] Generated Node #0,2,0: 29:[37, 2] Operation: 39-37=2 Exploring Operation: 39-37=2, Resulting Numbers: [37, 2] Generated Node #0,2,1: 29:[37, 2] Operation: 39-37=2 Exploring Operation: 37/37=1, Resulting Numbers: [39, 1] Generated Node #0,2,2: 29:[39, 1] Operation: 37/37=1 Exploring Operation: 37-37=0, Resulting Numbers: [39, 0] Generated Node #0,2,3: 29:[39, 0] Operation: 37-37=0 Moving to Node #0,1 Current State: 29:[42, 37, 34], Operations: ['39-5=34'] Exploring Operation: 42-37=5, Resulting Numbers: [34, 5] Generated Node #0,1,0: 29:[34, 5] Operation: 42-37=5 Exploring Operation: 42-34=8, Resulting Numbers: [37, 8] Generated Node #0,1,1: 29:[37, 8] Operation: 42-34=8 Exploring Operation: 42+37=79, Resulting Numbers: [34, 79] Generated Node #0,1,2: 29:[34, 79] Operation: 42+37=79 Exploring Operation: 37-34=3, Resulting Numbers: [42, 3] Generated Node #0,1,3: 29:[42, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[34, 5], Operations: ['39-5=34', '42-37=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,29 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[5, 39, 42, 37], Operations: [] Exploring Operation: 39-5=34, Resulting Numbers: [42, 37, 34] Generated Node #0,1: 29:[42, 37, 34] Operation: 39-5=34 Moving to Node #0,1 Current State: 29:[42, 37, 34], Operations: ['39-5=34'] Exploring Operation: 42-37=5, Resulting Numbers: [34, 5] Generated Node #0,1,0: 29:[34, 5] Operation: 42-37=5 Moving to Node #0,1,0 Current State: 29:[34, 5], Operations: ['39-5=34', '42-37=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 66, 31, 48, 48 ]
35
[ "66-31=35", "48-48=0", "35+0=35" ]
Current State: 35:[66, 31, 48, 48], Operations: [] Exploring Operation: 66-31=35, Resulting Numbers: [48, 48, 35] Generated Node #2: [48, 48, 35] from Operation: 66-31=35 Current State: 35:[48, 48, 35], Operations: ['66-31=35'] Exploring Operation: 48-48=0, Resulting Numbers: [35, 0] Generated Node #3: [35, 0] from Operation: 48-48=0 Current State: 35:[35, 0], Operations: ['66-31=35', '48-48=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[66, 31, 48, 48], Operations: [] Exploring Operation: 66-31=35, Resulting Numbers: [48, 48, 35] Generated Node #0,0: 35:[48, 48, 35] Operation: 66-31=35 Exploring Operation: 66-48=18, Resulting Numbers: [31, 48, 18] Generated Node #0,1: 35:[31, 48, 18] Operation: 66-48=18 Exploring Operation: 66-48=18, Resulting Numbers: [31, 48, 18] Generated Node #0,2: 35:[31, 48, 18] Operation: 66-48=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[48, 48, 35], Operations: ['66-31=35'] Exploring Operation: 48-48=0, Resulting Numbers: [35, 0] Generated Node #0,0,0: 35:[35, 0] Operation: 48-48=0 Exploring Operation: 48/48=1, Resulting Numbers: [35, 1] Generated Node #0,0,1: 35:[35, 1] Operation: 48/48=1 Exploring Operation: 48-35=13, Resulting Numbers: [48, 13] Generated Node #0,0,2: 35:[48, 13] Operation: 48-35=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[35, 1], Operations: ['66-31=35', '48/48=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[66, 31, 48, 48], Operations: [] Exploring Operation: 66-31=35, Resulting Numbers: [48, 48, 35] Generated Node #0,0: 35:[48, 48, 35] Operation: 66-31=35 Moving to Node #0,0 Current State: 35:[48, 48, 35], Operations: ['66-31=35'] Exploring Operation: 48/48=1, Resulting Numbers: [35, 1] Generated Node #0,0,1: 35:[35, 1] Operation: 48/48=1 Moving to Node #0,0,1 Current State: 35:[35, 1], Operations: ['66-31=35', '48/48=1'] 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
0.990451
hs_3
mult_heuristic
[ 44, 68, 28, 56 ]
22
[ "68-44=24", "56/28=2", "24-2=22" ]
Current State: 22:[44, 68, 28, 56], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [28, 56, 24] Generated Node #2: [28, 56, 24] from Operation: 68-44=24 Current State: 22:[28, 56, 24], Operations: ['68-44=24'] Exploring Operation: 56/28=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 56/28=2 Current State: 22:[24, 2], Operations: ['68-44=24', '56/28=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[44, 68, 28, 56], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [28, 56, 24] Generated Node #0,0: 22:[28, 56, 24] Operation: 68-44=24 Exploring Operation: 68-56=12, Resulting Numbers: [44, 28, 12] Generated Node #0,1: 22:[44, 28, 12] Operation: 68-56=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[44, 28, 12], Operations: ['68-56=12'] Exploring Operation: 44-12=32, Resulting Numbers: [28, 32] Generated Node #0,1,0: 22:[28, 32] Operation: 44-12=32 Exploring Operation: 44-28=16, Resulting Numbers: [12, 16] Generated Node #0,1,1: 22:[12, 16] Operation: 44-28=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[12, 16], Operations: ['68-56=12', '44-28=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,22 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: 22:[28, 32], Operations: ['68-56=12', '44-12=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,22 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: 22:[28, 56, 24], Operations: ['68-44=24'] Exploring Operation: 56-28=28, Resulting Numbers: [24, 28] Generated Node #0,0,0: 22:[24, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 22:[24, 2] Operation: 56/28=2 Moving to Node #0,0,1 Current State: 22:[24, 2], Operations: ['68-44=24', '56/28=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[44, 68, 28, 56], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [28, 56, 24] Generated Node #0,0: 22:[28, 56, 24] Operation: 68-44=24 Moving to Node #0,0 Current State: 22:[28, 56, 24], Operations: ['68-44=24'] Exploring Operation: 56/28=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 22:[24, 2] Operation: 56/28=2 Moving to Node #0,0,1 Current State: 22:[24, 2], Operations: ['68-44=24', '56/28=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 62, 6, 62, 12 ]
78
[ "62/62=1", "12+1=13", "6*13=78" ]
Current State: 78:[62, 6, 62, 12], Operations: [] Exploring Operation: 62/62=1, Resulting Numbers: [6, 12, 1] Generated Node #2: [6, 12, 1] from Operation: 62/62=1 Current State: 78:[6, 12, 1], Operations: ['62/62=1'] Exploring Operation: 12+1=13, Resulting Numbers: [6, 13] Generated Node #3: [6, 13] from Operation: 12+1=13 Current State: 78:[6, 13], Operations: ['62/62=1', '12+1=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[62, 6, 62, 12], Operations: [] Exploring Operation: 62/62=1, Resulting Numbers: [6, 12, 1] Generated Node #0,0: 78:[6, 12, 1] Operation: 62/62=1 Exploring Operation: 62-62=0, Resulting Numbers: [6, 12, 0] Generated Node #0,1: 78:[6, 12, 0] Operation: 62-62=0 Exploring Operation: 62+12=74, Resulting Numbers: [6, 62, 74] Generated Node #0,2: 78:[6, 62, 74] Operation: 62+12=74 Moving to Node #0,0 Current State: 78:[6, 12, 1], Operations: ['62/62=1'] Exploring Operation: 12-6=6, Resulting Numbers: [1, 6] Generated Node #0,0,0: 78:[1, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [1, 2] Generated Node #0,0,1: 78:[1, 2] Operation: 12/6=2 Exploring Operation: 12+1=13, Resulting Numbers: [6, 13] Generated Node #0,0,2: 78:[6, 13] Operation: 12+1=13 Moving to Node #0,1 Current State: 78:[6, 12, 0], Operations: ['62-62=0'] Exploring Operation: 6-0=6, Resulting Numbers: [12, 6] Generated Node #0,1,0: 78:[12, 6] Operation: 6-0=6 Exploring Operation: 6+0=6, Resulting Numbers: [12, 6] Generated Node #0,1,1: 78:[12, 6] Operation: 6+0=6 Exploring Operation: 12+0=12, Resulting Numbers: [6, 12] Generated Node #0,1,2: 78:[6, 12] Operation: 12+0=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[12, 6], Operations: ['62-62=0', '6-0=6'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,78 unequal: No Solution No 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: 78:[12, 6], Operations: ['62-62=0', '6+0=6'] Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,78 unequal: No Solution No 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: 78:[6, 12], Operations: ['62-62=0', '12+0=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,78 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: 78:[6, 62, 74], Operations: ['62+12=74'] Exploring Operation: 74-62=12, Resulting Numbers: [6, 12] Generated Node #0,2,0: 78:[6, 12] Operation: 74-62=12 Exploring Operation: 6+62=68, Resulting Numbers: [74, 68] Generated Node #0,2,1: 78:[74, 68] Operation: 6+62=68 Exploring Operation: 6+74=80, Resulting Numbers: [62, 80] Generated Node #0,2,2: 78:[62, 80] Operation: 6+74=80 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[6, 12], Operations: ['62+12=74', '74-62=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,78 unequal: No Solution No 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: 78:[74, 68], Operations: ['62+12=74', '6+62=68'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 74+68=142, Resulting Numbers: [142] 142,78 unequal: No Solution Exploring Operation: 74*68=5032, Resulting Numbers: [5032] 5032,78 unequal: No Solution No 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: 78:[62, 80], Operations: ['62+12=74', '6+74=80'] Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,78 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,78 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 78:[6, 13], Operations: ['62/62=1', '12+1=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[62, 6, 62, 12], Operations: [] Exploring Operation: 62/62=1, Resulting Numbers: [6, 12, 1] Generated Node #0,0: 78:[6, 12, 1] Operation: 62/62=1 Moving to Node #0,0 Current State: 78:[6, 12, 1], Operations: ['62/62=1'] Exploring Operation: 12+1=13, Resulting Numbers: [6, 13] Generated Node #0,0,2: 78:[6, 13] Operation: 12+1=13 Moving to Node #0,0,2 Current State: 78:[6, 13], Operations: ['62/62=1', '12+1=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 27, 54, 70, 50 ]
95
[ "54/27=2", "50/2=25", "70+25=95" ]
Current State: 95:[27, 54, 70, 50], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [70, 50, 2] Generated Node #2: [70, 50, 2] from Operation: 54/27=2 Current State: 95:[70, 50, 2], Operations: ['54/27=2'] Exploring Operation: 50/2=25, Resulting Numbers: [70, 25] Generated Node #3: [70, 25] from Operation: 50/2=25 Current State: 95:[70, 25], Operations: ['54/27=2', '50/2=25'] Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[27, 54, 70, 50], Operations: [] Exploring Operation: 54+50=104, Resulting Numbers: [27, 70, 104] Generated Node #0,0: 95:[27, 70, 104] Operation: 54+50=104 Exploring Operation: 70-54=16, Resulting Numbers: [27, 50, 16] Generated Node #0,1: 95:[27, 50, 16] Operation: 70-54=16 Exploring Operation: 54-50=4, Resulting Numbers: [27, 70, 4] Generated Node #0,2: 95:[27, 70, 4] Operation: 54-50=4 Moving to Node #0,2 Current State: 95:[27, 70, 4], Operations: ['54-50=4'] Exploring Operation: 70-27=43, Resulting Numbers: [4, 43] Generated Node #0,2,0: 95:[4, 43] Operation: 70-27=43 Exploring Operation: 27-4=23, Resulting Numbers: [70, 23] Generated Node #0,2,1: 95:[70, 23] Operation: 27-4=23 Exploring Operation: 27+70=97, Resulting Numbers: [4, 97] Generated Node #0,2,2: 95:[4, 97] Operation: 27+70=97 Moving to Node #0,0 Current State: 95:[27, 70, 104], Operations: ['54+50=104'] Exploring Operation: 27+70=97, Resulting Numbers: [104, 97] Generated Node #0,0,0: 95:[104, 97] Operation: 27+70=97 Exploring Operation: 104-70=34, Resulting Numbers: [27, 34] Generated Node #0,0,1: 95:[27, 34] Operation: 104-70=34 Exploring Operation: 70-27=43, Resulting Numbers: [104, 43] Generated Node #0,0,2: 95:[104, 43] Operation: 70-27=43 Moving to Node #0,1 Current State: 95:[27, 50, 16], Operations: ['70-54=16'] Exploring Operation: 50-16=34, Resulting Numbers: [27, 34] Generated Node #0,1,0: 95:[27, 34] Operation: 50-16=34 Exploring Operation: 27+50=77, Resulting Numbers: [16, 77] Generated Node #0,1,1: 95:[16, 77] Operation: 27+50=77 Exploring Operation: 50-27=23, Resulting Numbers: [16, 23] Generated Node #0,1,2: 95:[16, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[16, 23], Operations: ['70-54=16', '50-27=23'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,95 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,95 unequal: No Solution No 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: 95:[16, 77], Operations: ['70-54=16', '27+50=77'] Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,95 unequal: No Solution Exploring Operation: 16*77=1232, Resulting Numbers: [1232] 1232,95 unequal: No Solution Exploring Operation: 16+77=93, Resulting Numbers: [93] 93,95 unequal: No Solution No 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: 95:[27, 34], Operations: ['70-54=16', '50-16=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,95 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,95 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 95:[4, 97], Operations: ['54-50=4', '27+70=97'] Exploring Operation: 4+97=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 4*97=388, Resulting Numbers: [388] 388,95 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[104, 97], Operations: ['54+50=104', '27+70=97'] Exploring Operation: 104*97=10088, Resulting Numbers: [10088] 10088,95 unequal: No Solution Exploring Operation: 104-97=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 104+97=201, Resulting Numbers: [201] 201,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[27, 34], Operations: ['54+50=104', '104-70=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,95 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,95 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[4, 43], Operations: ['54-50=4', '70-27=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,95 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,95 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[70, 23], Operations: ['54-50=4', '27-4=23'] Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,95 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[104, 43], Operations: ['54+50=104', '70-27=43'] Exploring Operation: 104*43=4472, Resulting Numbers: [4472] 4472,95 unequal: No Solution Exploring Operation: 104-43=61, Resulting Numbers: [61] 61,95 unequal: No Solution Exploring Operation: 104+43=147, Resulting Numbers: [147] 147,95 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 37, 53, 88, 4 ]
76
[ "53-37=16", "88+4=92", "92-16=76" ]
Current State: 76:[37, 53, 88, 4], Operations: [] Exploring Operation: 53-37=16, Resulting Numbers: [88, 4, 16] Generated Node #2: [88, 4, 16] from Operation: 53-37=16 Current State: 76:[88, 4, 16], Operations: ['53-37=16'] Exploring Operation: 88+4=92, Resulting Numbers: [16, 92] Generated Node #3: [16, 92] from Operation: 88+4=92 Current State: 76:[16, 92], Operations: ['53-37=16', '88+4=92'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[37, 53, 88, 4], Operations: [] Exploring Operation: 88-4=84, Resulting Numbers: [37, 53, 84] Generated Node #0,0: 76:[37, 53, 84] Operation: 88-4=84 Exploring Operation: 53-4=49, Resulting Numbers: [37, 88, 49] Generated Node #0,1: 76:[37, 88, 49] Operation: 53-4=49 Exploring Operation: 53-37=16, Resulting Numbers: [88, 4, 16] Generated Node #0,2: 76:[88, 4, 16] Operation: 53-37=16 Exploring Operation: 88-53=35, Resulting Numbers: [37, 4, 35] Generated Node #0,3: 76:[37, 4, 35] Operation: 88-53=35 Exploring Operation: 88/4=22, Resulting Numbers: [37, 53, 22] Generated Node #0,4: 76:[37, 53, 22] Operation: 88/4=22 Moving to Node #0,3 Current State: 76:[37, 4, 35], Operations: ['88-53=35'] Exploring Operation: 37+4=41, Resulting Numbers: [35, 41] Generated Node #0,3,0: 76:[35, 41] Operation: 37+4=41 Exploring Operation: 37-4=33, Resulting Numbers: [35, 33] Generated Node #0,3,1: 76:[35, 33] Operation: 37-4=33 Exploring Operation: 37+35=72, Resulting Numbers: [4, 72] Generated Node #0,3,2: 76:[4, 72] Operation: 37+35=72 Exploring Operation: 4+35=39, Resulting Numbers: [37, 39] Generated Node #0,3,3: 76:[37, 39] Operation: 4+35=39 Exploring Operation: 37-35=2, Resulting Numbers: [4, 2] Generated Node #0,3,4: 76:[4, 2] Operation: 37-35=2 Moving to Node #0,2 Current State: 76:[88, 4, 16], Operations: ['53-37=16'] Exploring Operation: 16/4=4, Resulting Numbers: [88, 4] Generated Node #0,2,0: 76:[88, 4] Operation: 16/4=4 Exploring Operation: 88/4=22, Resulting Numbers: [16, 22] Generated Node #0,2,1: 76:[16, 22] Operation: 88/4=22 Exploring Operation: 88-4=84, Resulting Numbers: [16, 84] Generated Node #0,2,2: 76:[16, 84] Operation: 88-4=84 Exploring Operation: 4+16=20, Resulting Numbers: [88, 20] Generated Node #0,2,3: 76:[88, 20] Operation: 4+16=20 Exploring Operation: 88-16=72, Resulting Numbers: [4, 72] Generated Node #0,2,4: 76:[4, 72] Operation: 88-16=72 Moving to Node #0,4 Current State: 76:[37, 53, 22], Operations: ['88/4=22'] Exploring Operation: 37-22=15, Resulting Numbers: [53, 15] Generated Node #0,4,0: 76:[53, 15] Operation: 37-22=15 Exploring Operation: 37+53=90, Resulting Numbers: [22, 90] Generated Node #0,4,1: 76:[22, 90] Operation: 37+53=90 Exploring Operation: 53+22=75, Resulting Numbers: [37, 75] Generated Node #0,4,2: 76:[37, 75] Operation: 53+22=75 Exploring Operation: 53-22=31, Resulting Numbers: [37, 31] Generated Node #0,4,3: 76:[37, 31] Operation: 53-22=31 Exploring Operation: 53-37=16, Resulting Numbers: [22, 16] Generated Node #0,4,4: 76:[22, 16] Operation: 53-37=16 Moving to Node #0,0 Current State: 76:[37, 53, 84], Operations: ['88-4=84'] Exploring Operation: 37+84=121, Resulting Numbers: [53, 121] Generated Node #0,0,0: 76:[53, 121] Operation: 37+84=121 Exploring Operation: 53-37=16, Resulting Numbers: [84, 16] Generated Node #0,0,1: 76:[84, 16] Operation: 53-37=16 Exploring Operation: 84-37=47, Resulting Numbers: [53, 47] Generated Node #0,0,2: 76:[53, 47] Operation: 84-37=47 Exploring Operation: 84-53=31, Resulting Numbers: [37, 31] Generated Node #0,0,3: 76:[37, 31] Operation: 84-53=31 Exploring Operation: 37+53=90, Resulting Numbers: [84, 90] Generated Node #0,0,4: 76:[84, 90] Operation: 37+53=90 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[37, 31], Operations: ['88-4=84', '84-53=31'] Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 37*31=1147, Resulting Numbers: [1147] 1147,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[84, 16], Operations: ['88-4=84', '53-37=16'] Exploring Operation: 84*16=1344, Resulting Numbers: [1344] 1344,76 unequal: No Solution Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[84, 90], Operations: ['88-4=84', '37+53=90'] Exploring Operation: 84*90=7560, Resulting Numbers: [7560] 7560,76 unequal: No Solution Exploring Operation: 84+90=174, Resulting Numbers: [174] 174,76 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[53, 47], Operations: ['88-4=84', '84-37=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,76 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[53, 121], Operations: ['88-4=84', '37+84=121'] Exploring Operation: 121-53=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 53*121=6413, Resulting Numbers: [6413] 6413,76 unequal: No Solution Exploring Operation: 53+121=174, Resulting Numbers: [174] 174,76 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: 76:[37, 88, 49], Operations: ['53-4=49'] Exploring Operation: 88-37=51, Resulting Numbers: [49, 51] Generated Node #0,1,0: 76:[49, 51] Operation: 88-37=51 Exploring Operation: 37+88=125, Resulting Numbers: [49, 125] Generated Node #0,1,1: 76:[49, 125] Operation: 37+88=125 Exploring Operation: 37+49=86, Resulting Numbers: [88, 86] Generated Node #0,1,2: 76:[88, 86] Operation: 37+49=86 Exploring Operation: 88-49=39, Resulting Numbers: [37, 39] Generated Node #0,1,3: 76:[37, 39] Operation: 88-49=39 Exploring Operation: 49-37=12, Resulting Numbers: [88, 12] Generated Node #0,1,4: 76:[88, 12] Operation: 49-37=12 Moving to Node #0,3,4 Current State: 76:[4, 2], Operations: ['88-53=35', '37-35=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[37, 39], Operations: ['88-53=35', '4+35=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[37, 53, 88, 4], Operations: [] Exploring Operation: 88-53=35, Resulting Numbers: [37, 4, 35] Generated Node #0,3: 76:[37, 4, 35] Operation: 88-53=35 Moving to Node #0,3 Current State: 76:[37, 4, 35], Operations: ['88-53=35'] Exploring Operation: 4+35=39, Resulting Numbers: [37, 39] Generated Node #0,3,3: 76:[37, 39] Operation: 4+35=39 Moving to Node #0,3,3 Current State: 76:[37, 39], Operations: ['88-53=35', '4+35=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.952257
hs_5
mult_heuristic
[ 15, 48, 53, 7 ]
30
[ "53-48=5", "7-5=2", "15*2=30" ]
Current State: 30:[15, 48, 53, 7], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [15, 7, 5] Generated Node #2: [15, 7, 5] from Operation: 53-48=5 Current State: 30:[15, 7, 5], Operations: ['53-48=5'] Exploring Operation: 7-5=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 7-5=2 Current State: 30:[15, 2], Operations: ['53-48=5', '7-5=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[15, 48, 53, 7], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [15, 7, 5] Generated Node #0,0: 30:[15, 7, 5] Operation: 53-48=5 Moving to Node #0,0 Current State: 30:[15, 7, 5], Operations: ['53-48=5'] Exploring Operation: 7-5=2, Resulting Numbers: [15, 2] Generated Node #0,0,0: 30:[15, 2] Operation: 7-5=2 Moving to Node #0,0,0 Current State: 30:[15, 2], Operations: ['53-48=5', '7-5=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[15, 48, 53, 7], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [15, 7, 5] Generated Node #0,0: 30:[15, 7, 5] Operation: 53-48=5 Moving to Node #0,0 Current State: 30:[15, 7, 5], Operations: ['53-48=5'] Exploring Operation: 7-5=2, Resulting Numbers: [15, 2] Generated Node #0,0,0: 30:[15, 2] Operation: 7-5=2 Moving to Node #0,0,0 Current State: 30:[15, 2], Operations: ['53-48=5', '7-5=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 72, 27, 7, 43 ]
81
[ "72-27=45", "43-7=36", "45+36=81" ]
Current State: 81:[72, 27, 7, 43], Operations: [] Exploring Operation: 72-27=45, Resulting Numbers: [7, 43, 45] Generated Node #2: [7, 43, 45] from Operation: 72-27=45 Current State: 81:[7, 43, 45], Operations: ['72-27=45'] Exploring Operation: 43-7=36, Resulting Numbers: [45, 36] Generated Node #3: [45, 36] from Operation: 43-7=36 Current State: 81:[45, 36], Operations: ['72-27=45', '43-7=36'] Exploring Operation: 45+36=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[72, 27, 7, 43], Operations: [] Exploring Operation: 72-43=29, Resulting Numbers: [27, 7, 29] Generated Node #0,0: 81:[27, 7, 29] Operation: 72-43=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[27, 7, 29], Operations: ['72-43=29'] Exploring Operation: 29-27=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 81:[7, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 81:[7, 2], Operations: ['72-43=29', '29-27=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,81 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
[ 31, 48, 50, 12 ]
46
[ "50+12=62", "62/31=2", "48-2=46" ]
Current State: 46:[31, 48, 50, 12], Operations: [] Exploring Operation: 50+12=62, Resulting Numbers: [31, 48, 62] Generated Node #2: [31, 48, 62] from Operation: 50+12=62 Current State: 46:[31, 48, 62], Operations: ['50+12=62'] Exploring Operation: 62/31=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 62/31=2 Current State: 46:[48, 2], Operations: ['50+12=62', '62/31=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[31, 48, 50, 12], Operations: [] Exploring Operation: 31+12=43, Resulting Numbers: [48, 50, 43] Generated Node #0,0: 46:[48, 50, 43] Operation: 31+12=43 Exploring Operation: 48/12=4, Resulting Numbers: [31, 50, 4] Generated Node #0,1: 46:[31, 50, 4] Operation: 48/12=4 Exploring Operation: 31-12=19, Resulting Numbers: [48, 50, 19] Generated Node #0,2: 46:[48, 50, 19] Operation: 31-12=19 Exploring Operation: 50-31=19, Resulting Numbers: [48, 12, 19] Generated Node #0,3: 46:[48, 12, 19] Operation: 50-31=19 Moving to Node #0,0 Current State: 46:[48, 50, 43], Operations: ['31+12=43'] Exploring Operation: 48+43=91, Resulting Numbers: [50, 91] Generated Node #0,0,0: 46:[50, 91] Operation: 48+43=91 Exploring Operation: 50-43=7, Resulting Numbers: [48, 7] Generated Node #0,0,1: 46:[48, 7] Operation: 50-43=7 Exploring Operation: 48-43=5, Resulting Numbers: [50, 5] Generated Node #0,0,2: 46:[50, 5] Operation: 48-43=5 Exploring Operation: 50-48=2, Resulting Numbers: [43, 2] Generated Node #0,0,3: 46:[43, 2] Operation: 50-48=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 46:[43, 2], Operations: ['31+12=43', '50-48=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,46 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,46 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:[48, 7], Operations: ['31+12=43', '50-43=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,46 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,46 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 #0,0,2 Current State: 46:[50, 5], Operations: ['31+12=43', '48-43=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,46 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,46 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 #0,0,0 Current State: 46:[50, 91], Operations: ['31+12=43', '48+43=91'] Exploring Operation: 50*91=4550, Resulting Numbers: [4550] 4550,46 unequal: No Solution Exploring Operation: 50+91=141, Resulting Numbers: [141] 141,46 unequal: No Solution Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,46 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: 46:[48, 50, 19], Operations: ['31-12=19'] Exploring Operation: 50-48=2, Resulting Numbers: [19, 2] Generated Node #0,2,0: 46:[19, 2] Operation: 50-48=2 Exploring Operation: 48-19=29, Resulting Numbers: [50, 29] Generated Node #0,2,1: 46:[50, 29] Operation: 48-19=29 Exploring Operation: 50-19=31, Resulting Numbers: [48, 31] Generated Node #0,2,2: 46:[48, 31] Operation: 50-19=31 Exploring Operation: 48+19=67, Resulting Numbers: [50, 67] Generated Node #0,2,3: 46:[50, 67] Operation: 48+19=67 Moving to Node #0,1 Current State: 46:[31, 50, 4], Operations: ['48/12=4'] Exploring Operation: 31-4=27, Resulting Numbers: [50, 27] Generated Node #0,1,0: 46:[50, 27] Operation: 31-4=27 Exploring Operation: 50-31=19, Resulting Numbers: [4, 19] Generated Node #0,1,1: 46:[4, 19] Operation: 50-31=19 Exploring Operation: 50-4=46, Resulting Numbers: [31, 46] Generated Node #0,1,2: 46:[31, 46] Operation: 50-4=46 Exploring Operation: 31+4=35, Resulting Numbers: [50, 35] Generated Node #0,1,3: 46:[50, 35] Operation: 31+4=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[4, 19], Operations: ['48/12=4', '50-31=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,46 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,46 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[50, 27], Operations: ['48/12=4', '31-4=27'] Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 50+27=77, Resulting Numbers: [77] 77,46 unequal: No Solution Exploring Operation: 50*27=1350, Resulting Numbers: [1350] 1350,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[31, 46], Operations: ['48/12=4', '50-4=46'] Exploring Operation: 31+46=77, Resulting Numbers: [77] 77,46 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,46 unequal: No Solution Exploring Operation: 31*46=1426, Resulting Numbers: [1426] 1426,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[50, 35], Operations: ['48/12=4', '31+4=35'] Exploring Operation: 50*35=1750, Resulting Numbers: [1750] 1750,46 unequal: No Solution Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,46 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: 46:[48, 12, 19], Operations: ['50-31=19'] Exploring Operation: 12+19=31, Resulting Numbers: [48, 31] Generated Node #0,3,0: 46:[48, 31] Operation: 12+19=31 Exploring Operation: 19-12=7, Resulting Numbers: [48, 7] Generated Node #0,3,1: 46:[48, 7] Operation: 19-12=7 Exploring Operation: 48/12=4, Resulting Numbers: [19, 4] Generated Node #0,3,2: 46:[19, 4] Operation: 48/12=4 Exploring Operation: 48-12=36, Resulting Numbers: [19, 36] Generated Node #0,3,3: 46:[19, 36] Operation: 48-12=36 Moving to Node #0,2,0 Current State: 46:[19, 2], Operations: ['31-12=19', '50-48=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[19, 4], Operations: ['50-31=19', '48/12=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,46 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[48, 7], Operations: ['50-31=19', '19-12=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,46 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[48, 31], Operations: ['31-12=19', '50-19=31'] Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,46 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[48, 31], Operations: ['50-31=19', '12+19=31'] Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,46 unequal: No Solution Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[50, 29], Operations: ['31-12=19', '48-19=29'] Exploring Operation: 50+29=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 50*29=1450, Resulting Numbers: [1450] 1450,46 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[19, 36], Operations: ['50-31=19', '48-12=36'] Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,46 unequal: No Solution Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[50, 67], Operations: ['31-12=19', '48+19=67'] Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,46 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 91, 63, 99, 32 ]
87
[ "91+63=154", "99-32=67", "154-67=87" ]
Current State: 87:[91, 63, 99, 32], Operations: [] Exploring Operation: 91+63=154, Resulting Numbers: [99, 32, 154] Generated Node #2: [99, 32, 154] from Operation: 91+63=154 Current State: 87:[99, 32, 154], Operations: ['91+63=154'] Exploring Operation: 99-32=67, Resulting Numbers: [154, 67] Generated Node #3: [154, 67] from Operation: 99-32=67 Current State: 87:[154, 67], Operations: ['91+63=154', '99-32=67'] Exploring Operation: 154-67=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[91, 63, 99, 32], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [91, 32, 36] Generated Node #0,0: 87:[91, 32, 36] Operation: 99-63=36 Exploring Operation: 63-32=31, Resulting Numbers: [91, 99, 31] Generated Node #0,1: 87:[91, 99, 31] Operation: 63-32=31 Exploring Operation: 91-63=28, Resulting Numbers: [99, 32, 28] Generated Node #0,2: 87:[99, 32, 28] Operation: 91-63=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[91, 32, 36], Operations: ['99-63=36'] Exploring Operation: 32+36=68, Resulting Numbers: [91, 68] Generated Node #0,0,0: 87:[91, 68] Operation: 32+36=68 Exploring Operation: 36-32=4, Resulting Numbers: [91, 4] Generated Node #0,0,1: 87:[91, 4] Operation: 36-32=4 Exploring Operation: 91-36=55, Resulting Numbers: [32, 55] Generated Node #0,0,2: 87:[32, 55] Operation: 91-36=55 Moving to Node #0,0,1 Current State: 87:[91, 4], Operations: ['99-63=36', '36-32=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,87 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[91, 63, 99, 32], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [91, 32, 36] Generated Node #0,0: 87:[91, 32, 36] Operation: 99-63=36 Moving to Node #0,0 Current State: 87:[91, 32, 36], Operations: ['99-63=36'] Exploring Operation: 36-32=4, Resulting Numbers: [91, 4] Generated Node #0,0,1: 87:[91, 4] Operation: 36-32=4 Moving to Node #0,0,1 Current State: 87:[91, 4], Operations: ['99-63=36', '36-32=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 73, 37, 53, 6 ]
88
[ "37+53=90", "90/6=15", "73+15=88" ]
Current State: 88:[73, 37, 53, 6], Operations: [] Exploring Operation: 37+53=90, Resulting Numbers: [73, 6, 90] Generated Node #2: [73, 6, 90] from Operation: 37+53=90 Current State: 88:[73, 6, 90], Operations: ['37+53=90'] Exploring Operation: 90/6=15, Resulting Numbers: [73, 15] Generated Node #3: [73, 15] from Operation: 90/6=15 Current State: 88:[73, 15], Operations: ['37+53=90', '90/6=15'] Exploring Operation: 73+15=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[73, 37, 53, 6], Operations: [] Exploring Operation: 73-53=20, Resulting Numbers: [37, 6, 20] Generated Node #0,0: 88:[37, 6, 20] Operation: 73-53=20 Exploring Operation: 73-37=36, Resulting Numbers: [53, 6, 36] Generated Node #0,1: 88:[53, 6, 36] Operation: 73-37=36 Moving to Node #0,0 Current State: 88:[37, 6, 20], Operations: ['73-53=20'] Exploring Operation: 37+6=43, Resulting Numbers: [20, 43] Generated Node #0,0,0: 88:[20, 43] Operation: 37+6=43 Exploring Operation: 37-20=17, Resulting Numbers: [6, 17] Generated Node #0,0,1: 88:[6, 17] Operation: 37-20=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[20, 43], Operations: ['73-53=20', '37+6=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[6, 17], Operations: ['73-53=20', '37-20=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,88 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: 88:[53, 6, 36], Operations: ['73-37=36'] Exploring Operation: 53+36=89, Resulting Numbers: [6, 89] Generated Node #0,1,0: 88:[6, 89] Operation: 53+36=89 Exploring Operation: 53-36=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 88:[6, 17] Operation: 53-36=17 Moving to Node #0,1,0 Current State: 88:[6, 89], Operations: ['73-37=36', '53+36=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[6, 17], Operations: ['73-37=36', '53-36=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,88 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 27, 12, 17 ]
76
[ "17-12=5", "27*5=135", "135-59=76" ]
Current State: 76:[59, 27, 12, 17], Operations: [] Exploring Operation: 17-12=5, Resulting Numbers: [59, 27, 5] Generated Node #2: [59, 27, 5] from Operation: 17-12=5 Current State: 76:[59, 27, 5], Operations: ['17-12=5'] Exploring Operation: 27*5=135, Resulting Numbers: [59, 135] Generated Node #3: [59, 135] from Operation: 27*5=135 Current State: 76:[59, 135], Operations: ['17-12=5', '27*5=135'] Exploring Operation: 135-59=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[59, 27, 12, 17], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [12, 17, 32] Generated Node #0,0: 76:[12, 17, 32] Operation: 59-27=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[12, 17, 32], Operations: ['59-27=32'] Exploring Operation: 32-12=20, Resulting Numbers: [17, 20] Generated Node #0,0,0: 76:[17, 20] Operation: 32-12=20 Moving to Node #0,0,0 Current State: 76:[17, 20], Operations: ['59-27=32', '32-12=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,76 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
[ 85, 15, 96, 4 ]
16
[ "85+15=100", "100-96=4", "4*4=16" ]
Current State: 16:[85, 15, 96, 4], Operations: [] Exploring Operation: 85+15=100, Resulting Numbers: [96, 4, 100] Generated Node #2: [96, 4, 100] from Operation: 85+15=100 Current State: 16:[96, 4, 100], Operations: ['85+15=100'] Exploring Operation: 100-96=4, Resulting Numbers: [4, 4] Generated Node #3: [4, 4] from Operation: 100-96=4 Current State: 16:[4, 4], Operations: ['85+15=100', '100-96=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[85, 15, 96, 4], Operations: [] Exploring Operation: 96-85=11, Resulting Numbers: [15, 4, 11] Generated Node #0,0: 16:[15, 4, 11] Operation: 96-85=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[15, 4, 11], Operations: ['96-85=11'] Exploring Operation: 15-11=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 16:[4, 4] Operation: 15-11=4 Moving to Node #0,0,0 Current State: 16:[4, 4], Operations: ['96-85=11', '15-11=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,16 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
[ 51, 38, 18, 55 ]
51
[ "38+18=56", "56-55=1", "51*1=51" ]
Current State: 51:[51, 38, 18, 55], Operations: [] Exploring Operation: 38+18=56, Resulting Numbers: [51, 55, 56] Generated Node #2: [51, 55, 56] from Operation: 38+18=56 Current State: 51:[51, 55, 56], Operations: ['38+18=56'] Exploring Operation: 56-55=1, Resulting Numbers: [51, 1] Generated Node #3: [51, 1] from Operation: 56-55=1 Current State: 51:[51, 1], Operations: ['38+18=56', '56-55=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[51, 38, 18, 55], Operations: [] Exploring Operation: 55-38=17, Resulting Numbers: [51, 18, 17] Generated Node #0,0: 51:[51, 18, 17] Operation: 55-38=17 Exploring Operation: 38-18=20, Resulting Numbers: [51, 55, 20] Generated Node #0,1: 51:[51, 55, 20] Operation: 38-18=20 Exploring Operation: 51-38=13, Resulting Numbers: [18, 55, 13] Generated Node #0,2: 51:[18, 55, 13] Operation: 51-38=13 Exploring Operation: 38+18=56, Resulting Numbers: [51, 55, 56] Generated Node #0,3: 51:[51, 55, 56] Operation: 38+18=56 Moving to Node #0,0 Current State: 51:[51, 18, 17], Operations: ['55-38=17'] Exploring Operation: 18-17=1, Resulting Numbers: [51, 1] Generated Node #0,0,0: 51:[51, 1] Operation: 18-17=1 Exploring Operation: 51-18=33, Resulting Numbers: [17, 33] Generated Node #0,0,1: 51:[17, 33] Operation: 51-18=33 Exploring Operation: 51/17=3, Resulting Numbers: [18, 3] Generated Node #0,0,2: 51:[18, 3] Operation: 51/17=3 Exploring Operation: 18+17=35, Resulting Numbers: [51, 35] Generated Node #0,0,3: 51:[51, 35] Operation: 18+17=35 Moving to Node #0,1 Current State: 51:[51, 55, 20], Operations: ['38-18=20'] Exploring Operation: 55-20=35, Resulting Numbers: [51, 35] Generated Node #0,1,0: 51:[51, 35] Operation: 55-20=35 Exploring Operation: 51-20=31, Resulting Numbers: [55, 31] Generated Node #0,1,1: 51:[55, 31] Operation: 51-20=31 Exploring Operation: 51+20=71, Resulting Numbers: [55, 71] Generated Node #0,1,2: 51:[55, 71] Operation: 51+20=71 Exploring Operation: 55-51=4, Resulting Numbers: [20, 4] Generated Node #0,1,3: 51:[20, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[20, 4], Operations: ['38-18=20', '55-51=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,51 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 #0,1,0 Current State: 51:[51, 35], Operations: ['38-18=20', '55-20=35'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,51 unequal: No Solution Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,51 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 #0,1,1 Current State: 51:[55, 31], Operations: ['38-18=20', '51-20=31'] Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,51 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,51 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 #0,1,2 Current State: 51:[55, 71], Operations: ['38-18=20', '51+20=71'] Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 55*71=3905, Resulting Numbers: [3905] 3905,51 unequal: No Solution Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,51 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: 51:[51, 55, 56], Operations: ['38+18=56'] Exploring Operation: 56-55=1, Resulting Numbers: [51, 1] Generated Node #0,3,0: 51:[51, 1] Operation: 56-55=1 Exploring Operation: 55-51=4, Resulting Numbers: [56, 4] Generated Node #0,3,1: 51:[56, 4] Operation: 55-51=4 Exploring Operation: 51+55=106, Resulting Numbers: [56, 106] Generated Node #0,3,2: 51:[56, 106] Operation: 51+55=106 Exploring Operation: 56-51=5, Resulting Numbers: [55, 5] Generated Node #0,3,3: 51:[55, 5] Operation: 56-51=5 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[51, 1], Operations: ['38+18=56', '56-55=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[51, 38, 18, 55], Operations: [] Exploring Operation: 38+18=56, Resulting Numbers: [51, 55, 56] Generated Node #0,3: 51:[51, 55, 56] Operation: 38+18=56 Moving to Node #0,3 Current State: 51:[51, 55, 56], Operations: ['38+18=56'] Exploring Operation: 56-55=1, Resulting Numbers: [51, 1] Generated Node #0,3,0: 51:[51, 1] Operation: 56-55=1 Moving to Node #0,3,0 Current State: 51:[51, 1], Operations: ['38+18=56', '56-55=1'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 64, 33, 66, 52 ]
84
[ "64*33=2112", "2112/66=32", "52+32=84" ]
Current State: 84:[64, 33, 66, 52], Operations: [] Exploring Operation: 64*33=2112, Resulting Numbers: [66, 52, 2112] Generated Node #2: [66, 52, 2112] from Operation: 64*33=2112 Current State: 84:[66, 52, 2112], Operations: ['64*33=2112'] Exploring Operation: 2112/66=32, Resulting Numbers: [52, 32] Generated Node #3: [52, 32] from Operation: 2112/66=32 Current State: 84:[52, 32], Operations: ['64*33=2112', '2112/66=32'] Exploring Operation: 52+32=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[64, 33, 66, 52], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [66, 52, 31] Generated Node #0,0: 84:[66, 52, 31] Operation: 64-33=31 Exploring Operation: 66/33=2, Resulting Numbers: [64, 52, 2] Generated Node #0,1: 84:[64, 52, 2] Operation: 66/33=2 Exploring Operation: 64-52=12, Resulting Numbers: [33, 66, 12] Generated Node #0,2: 84:[33, 66, 12] Operation: 64-52=12 Exploring Operation: 66-64=2, Resulting Numbers: [33, 52, 2] Generated Node #0,3: 84:[33, 52, 2] Operation: 66-64=2 Exploring Operation: 66-52=14, Resulting Numbers: [64, 33, 14] Generated Node #0,4: 84:[64, 33, 14] Operation: 66-52=14 Moving to Node #0,3 Current State: 84:[33, 52, 2], Operations: ['66-64=2'] Exploring Operation: 52-33=19, Resulting Numbers: [2, 19] Generated Node #0,3,0: 84:[2, 19] Operation: 52-33=19 Exploring Operation: 52/2=26, Resulting Numbers: [33, 26] Generated Node #0,3,1: 84:[33, 26] Operation: 52/2=26 Exploring Operation: 52-2=50, Resulting Numbers: [33, 50] Generated Node #0,3,2: 84:[33, 50] Operation: 52-2=50 Exploring Operation: 33-2=31, Resulting Numbers: [52, 31] Generated Node #0,3,3: 84:[52, 31] Operation: 33-2=31 Exploring Operation: 33+52=85, Resulting Numbers: [2, 85] Generated Node #0,3,4: 84:[2, 85] Operation: 33+52=85 Moving to Node #0,2 Current State: 84:[33, 66, 12], Operations: ['64-52=12'] Exploring Operation: 33+66=99, Resulting Numbers: [12, 99] Generated Node #0,2,0: 84:[12, 99] Operation: 33+66=99 Exploring Operation: 66-33=33, Resulting Numbers: [12, 33] Generated Node #0,2,1: 84:[12, 33] Operation: 66-33=33 Exploring Operation: 66-12=54, Resulting Numbers: [33, 54] Generated Node #0,2,2: 84:[33, 54] Operation: 66-12=54 Exploring Operation: 66+12=78, Resulting Numbers: [33, 78] Generated Node #0,2,3: 84:[33, 78] Operation: 66+12=78 Exploring Operation: 66/33=2, Resulting Numbers: [12, 2] Generated Node #0,2,4: 84:[12, 2] Operation: 66/33=2 Moving to Node #0,4 Current State: 84:[64, 33, 14], Operations: ['66-52=14'] Exploring Operation: 64-14=50, Resulting Numbers: [33, 50] Generated Node #0,4,0: 84:[33, 50] Operation: 64-14=50 Exploring Operation: 64+14=78, Resulting Numbers: [33, 78] Generated Node #0,4,1: 84:[33, 78] Operation: 64+14=78 Exploring Operation: 64-33=31, Resulting Numbers: [14, 31] Generated Node #0,4,2: 84:[14, 31] Operation: 64-33=31 Exploring Operation: 33-14=19, Resulting Numbers: [64, 19] Generated Node #0,4,3: 84:[64, 19] Operation: 33-14=19 Exploring Operation: 64+33=97, Resulting Numbers: [14, 97] Generated Node #0,4,4: 84:[14, 97] Operation: 64+33=97 Moving to Node #0,1 Current State: 84:[64, 52, 2], Operations: ['66/33=2'] Exploring Operation: 52-2=50, Resulting Numbers: [64, 50] Generated Node #0,1,0: 84:[64, 50] Operation: 52-2=50 Exploring Operation: 64/2=32, Resulting Numbers: [52, 32] Generated Node #0,1,1: 84:[52, 32] Operation: 64/2=32 Exploring Operation: 52/2=26, Resulting Numbers: [64, 26] Generated Node #0,1,2: 84:[64, 26] Operation: 52/2=26 Exploring Operation: 64+2=66, Resulting Numbers: [52, 66] Generated Node #0,1,3: 84:[52, 66] Operation: 64+2=66 Exploring Operation: 64-52=12, Resulting Numbers: [2, 12] Generated Node #0,1,4: 84:[2, 12] Operation: 64-52=12 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 84:[2, 12], Operations: ['66/33=2', '64-52=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[52, 32], Operations: ['66/33=2', '64/2=32'] Exploring Operation: 52*32=1664, Resulting Numbers: [1664] 1664,84 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 52+32=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[64, 33, 66, 52], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [64, 52, 2] Generated Node #0,1: 84:[64, 52, 2] Operation: 66/33=2 Moving to Node #0,1 Current State: 84:[64, 52, 2], Operations: ['66/33=2'] Exploring Operation: 64/2=32, Resulting Numbers: [52, 32] Generated Node #0,1,1: 84:[52, 32] Operation: 64/2=32 Moving to Node #0,1,1 Current State: 84:[52, 32], Operations: ['66/33=2', '64/2=32'] Exploring Operation: 52+32=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 17, 88, 83, 4 ]
88
[ "17+88=105", "105-83=22", "4*22=88" ]
Current State: 88:[17, 88, 83, 4], Operations: [] Exploring Operation: 17+88=105, Resulting Numbers: [83, 4, 105] Generated Node #2: [83, 4, 105] from Operation: 17+88=105 Current State: 88:[83, 4, 105], Operations: ['17+88=105'] Exploring Operation: 105-83=22, Resulting Numbers: [4, 22] Generated Node #3: [4, 22] from Operation: 105-83=22 Current State: 88:[4, 22], Operations: ['17+88=105', '105-83=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[17, 88, 83, 4], Operations: [] Exploring Operation: 83+4=87, Resulting Numbers: [17, 88, 87] Generated Node #0,0: 88:[17, 88, 87] Operation: 83+4=87 Exploring Operation: 88-83=5, Resulting Numbers: [17, 4, 5] Generated Node #0,1: 88:[17, 4, 5] Operation: 88-83=5 Exploring Operation: 17+4=21, Resulting Numbers: [88, 83, 21] Generated Node #0,2: 88:[88, 83, 21] Operation: 17+4=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[17, 88, 87], Operations: ['83+4=87'] Exploring Operation: 17+88=105, Resulting Numbers: [87, 105] Generated Node #0,0,0: 88:[87, 105] Operation: 17+88=105 Exploring Operation: 17+87=104, Resulting Numbers: [88, 104] Generated Node #0,0,1: 88:[88, 104] Operation: 17+87=104 Exploring Operation: 88-87=1, Resulting Numbers: [17, 1] Generated Node #0,0,2: 88:[17, 1] Operation: 88-87=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[17, 1], Operations: ['83+4=87', '88-87=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,88 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 #0,0,1 Current State: 88:[88, 104], Operations: ['83+4=87', '17+87=104'] Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,88 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 #0,0,0 Current State: 88:[87, 105], Operations: ['83+4=87', '17+88=105'] Exploring Operation: 87+105=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 105-87=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 87*105=9135, Resulting Numbers: [9135] 9135,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[17, 4, 5], Operations: ['88-83=5'] Exploring Operation: 17-5=12, Resulting Numbers: [4, 12] Generated Node #0,1,0: 88:[4, 12] Operation: 17-5=12 Exploring Operation: 17+4=21, Resulting Numbers: [5, 21] Generated Node #0,1,1: 88:[5, 21] Operation: 17+4=21 Exploring Operation: 17+5=22, Resulting Numbers: [4, 22] Generated Node #0,1,2: 88:[4, 22] Operation: 17+5=22 Moving to Node #0,1,2 Current State: 88:[4, 22], Operations: ['88-83=5', '17+5=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[17, 88, 83, 4], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [17, 4, 5] Generated Node #0,1: 88:[17, 4, 5] Operation: 88-83=5 Moving to Node #0,1 Current State: 88:[17, 4, 5], Operations: ['88-83=5'] Exploring Operation: 17+5=22, Resulting Numbers: [4, 22] Generated Node #0,1,2: 88:[4, 22] Operation: 17+5=22 Moving to Node #0,1,2 Current State: 88:[4, 22], Operations: ['88-83=5', '17+5=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 10, 65, 4, 18 ]
47
[ "10+18=28", "4*28=112", "112-65=47" ]
Current State: 47:[10, 65, 4, 18], Operations: [] Exploring Operation: 10+18=28, Resulting Numbers: [65, 4, 28] Generated Node #2: [65, 4, 28] from Operation: 10+18=28 Current State: 47:[65, 4, 28], Operations: ['10+18=28'] Exploring Operation: 4*28=112, Resulting Numbers: [65, 112] Generated Node #3: [65, 112] from Operation: 4*28=112 Current State: 47:[65, 112], Operations: ['10+18=28', '4*28=112'] Exploring Operation: 112-65=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[10, 65, 4, 18], Operations: [] Exploring Operation: 65-10=55, Resulting Numbers: [4, 18, 55] Generated Node #0,0: 47:[4, 18, 55] Operation: 65-10=55 Exploring Operation: 10*4=40, Resulting Numbers: [65, 18, 40] Generated Node #0,1: 47:[65, 18, 40] Operation: 10*4=40 Exploring Operation: 10+4=14, Resulting Numbers: [65, 18, 14] Generated Node #0,2: 47:[65, 18, 14] Operation: 10+4=14 Moving to Node #0,1 Current State: 47:[65, 18, 40], Operations: ['10*4=40'] Exploring Operation: 65-18=47, Resulting Numbers: [40, 47] Generated Node #0,1,0: 47:[40, 47] Operation: 65-18=47 Exploring Operation: 18+40=58, Resulting Numbers: [65, 58] Generated Node #0,1,1: 47:[65, 58] Operation: 18+40=58 Exploring Operation: 65+18=83, Resulting Numbers: [40, 83] Generated Node #0,1,2: 47:[40, 83] Operation: 65+18=83 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[40, 47], Operations: ['10*4=40', '65-18=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,47 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[65, 58], Operations: ['10*4=40', '18+40=58'] Exploring Operation: 65+58=123, Resulting Numbers: [123] 123,47 unequal: No Solution Exploring Operation: 65*58=3770, Resulting Numbers: [3770] 3770,47 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[40, 83], Operations: ['10*4=40', '65+18=83'] Exploring Operation: 40+83=123, Resulting Numbers: [123] 123,47 unequal: No Solution Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 40*83=3320, Resulting Numbers: [3320] 3320,47 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: 47:[4, 18, 55], Operations: ['65-10=55'] Exploring Operation: 4*18=72, Resulting Numbers: [55, 72] Generated Node #0,0,0: 47:[55, 72] Operation: 4*18=72 Exploring Operation: 55-4=51, Resulting Numbers: [18, 51] Generated Node #0,0,1: 47:[18, 51] Operation: 55-4=51 Exploring Operation: 4+18=22, Resulting Numbers: [55, 22] Generated Node #0,0,2: 47:[55, 22] Operation: 4+18=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[55, 72], Operations: ['65-10=55', '4*18=72'] Exploring Operation: 55*72=3960, Resulting Numbers: [3960] 3960,47 unequal: No Solution Exploring Operation: 55+72=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[18, 51], Operations: ['65-10=55', '55-4=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,47 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[55, 22], Operations: ['65-10=55', '4+18=22'] Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,47 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,47 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: 47:[65, 18, 14], Operations: ['10+4=14'] Exploring Operation: 18+14=32, Resulting Numbers: [65, 32] Generated Node #0,2,0: 47:[65, 32] Operation: 18+14=32 Exploring Operation: 65-18=47, Resulting Numbers: [14, 47] Generated Node #0,2,1: 47:[14, 47] Operation: 65-18=47 Exploring Operation: 65-14=51, Resulting Numbers: [18, 51] Generated Node #0,2,2: 47:[18, 51] Operation: 65-14=51 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[65, 32], Operations: ['10+4=14', '18+14=32'] Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,47 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[14, 47], Operations: ['10+4=14', '65-18=47'] Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 14*47=658, Resulting Numbers: [658] 658,47 unequal: No Solution Exploring Operation: 14+47=61, Resulting Numbers: [61] 61,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[18, 51], Operations: ['10+4=14', '65-14=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,47 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 45, 53, 14, 20 ]
27
[ "45+53=98", "98/14=7", "20+7=27" ]
Current State: 27:[45, 53, 14, 20], Operations: [] Exploring Operation: 45+53=98, Resulting Numbers: [14, 20, 98] Generated Node #2: [14, 20, 98] from Operation: 45+53=98 Current State: 27:[14, 20, 98], Operations: ['45+53=98'] Exploring Operation: 98/14=7, Resulting Numbers: [20, 7] Generated Node #3: [20, 7] from Operation: 98/14=7 Current State: 27:[20, 7], Operations: ['45+53=98', '98/14=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[45, 53, 14, 20], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [14, 20, 8] Generated Node #0,0: 27:[14, 20, 8] Operation: 53-45=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[14, 20, 8], Operations: ['53-45=8'] Exploring Operation: 20-14=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 27:[8, 6] Operation: 20-14=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[8, 6], Operations: ['53-45=8', '20-14=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 89, 31, 71 ]
52
[ "3+89=92", "71-31=40", "92-40=52" ]
Current State: 52:[3, 89, 31, 71], Operations: [] Exploring Operation: 3+89=92, Resulting Numbers: [31, 71, 92] Generated Node #2: [31, 71, 92] from Operation: 3+89=92 Current State: 52:[31, 71, 92], Operations: ['3+89=92'] Exploring Operation: 71-31=40, Resulting Numbers: [92, 40] Generated Node #3: [92, 40] from Operation: 71-31=40 Current State: 52:[92, 40], Operations: ['3+89=92', '71-31=40'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[3, 89, 31, 71], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [3, 31, 18] Generated Node #0,0: 52:[3, 31, 18] Operation: 89-71=18 Exploring Operation: 89-31=58, Resulting Numbers: [3, 71, 58] Generated Node #0,1: 52:[3, 71, 58] Operation: 89-31=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[3, 31, 18], Operations: ['89-71=18'] Exploring Operation: 31+18=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 52:[3, 49] Operation: 31+18=49 Exploring Operation: 31-18=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 52:[3, 13] Operation: 31-18=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[3, 13], Operations: ['89-71=18', '31-18=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[3, 49], Operations: ['89-71=18', '31+18=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[3, 89, 31, 71], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [3, 31, 18] Generated Node #0,0: 52:[3, 31, 18] Operation: 89-71=18 Moving to Node #0,0 Current State: 52:[3, 31, 18], Operations: ['89-71=18'] Exploring Operation: 31+18=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 52:[3, 49] Operation: 31+18=49 Moving to Node #0,0,0 Current State: 52:[3, 49], Operations: ['89-71=18', '31+18=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 44, 55, 13, 74 ]
69
[ "55-44=11", "13*11=143", "143-74=69" ]
Current State: 69:[44, 55, 13, 74], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [13, 74, 11] Generated Node #2: [13, 74, 11] from Operation: 55-44=11 Current State: 69:[13, 74, 11], Operations: ['55-44=11'] Exploring Operation: 13*11=143, Resulting Numbers: [74, 143] Generated Node #3: [74, 143] from Operation: 13*11=143 Current State: 69:[74, 143], Operations: ['55-44=11', '13*11=143'] Exploring Operation: 143-74=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[44, 55, 13, 74], Operations: [] Exploring Operation: 55+13=68, Resulting Numbers: [44, 74, 68] Generated Node #0,0: 69:[44, 74, 68] Operation: 55+13=68 Exploring Operation: 44-13=31, Resulting Numbers: [55, 74, 31] Generated Node #0,1: 69:[55, 74, 31] Operation: 44-13=31 Exploring Operation: 55-44=11, Resulting Numbers: [13, 74, 11] Generated Node #0,2: 69:[13, 74, 11] Operation: 55-44=11 Moving to Node #0,2 Current State: 69:[13, 74, 11], Operations: ['55-44=11'] Exploring Operation: 13-11=2, Resulting Numbers: [74, 2] Generated Node #0,2,0: 69:[74, 2] Operation: 13-11=2 Exploring Operation: 13+11=24, Resulting Numbers: [74, 24] Generated Node #0,2,1: 69:[74, 24] Operation: 13+11=24 Exploring Operation: 74-13=61, Resulting Numbers: [11, 61] Generated Node #0,2,2: 69:[11, 61] Operation: 74-13=61 Moving to Node #0,0 Current State: 69:[44, 74, 68], Operations: ['55+13=68'] Exploring Operation: 74-44=30, Resulting Numbers: [68, 30] Generated Node #0,0,0: 69:[68, 30] Operation: 74-44=30 Exploring Operation: 68-44=24, Resulting Numbers: [74, 24] Generated Node #0,0,1: 69:[74, 24] Operation: 68-44=24 Exploring Operation: 74-68=6, Resulting Numbers: [44, 6] Generated Node #0,0,2: 69:[44, 6] Operation: 74-68=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[74, 24], Operations: ['55+13=68', '68-44=24'] Exploring Operation: 74*24=1776, Resulting Numbers: [1776] 1776,69 unequal: No Solution Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 74+24=98, Resulting Numbers: [98] 98,69 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 #0,0,0 Current State: 69:[68, 30], Operations: ['55+13=68', '74-44=30'] Exploring Operation: 68*30=2040, Resulting Numbers: [2040] 2040,69 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,69 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 #0,0,2 Current State: 69:[44, 6], Operations: ['55+13=68', '74-68=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,69 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,69 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: 69:[55, 74, 31], Operations: ['44-13=31'] Exploring Operation: 55+31=86, Resulting Numbers: [74, 86] Generated Node #0,1,0: 69:[74, 86] Operation: 55+31=86 Exploring Operation: 74-55=19, Resulting Numbers: [31, 19] Generated Node #0,1,1: 69:[31, 19] Operation: 74-55=19 Exploring Operation: 55-31=24, Resulting Numbers: [74, 24] Generated Node #0,1,2: 69:[74, 24] Operation: 55-31=24 Moving to Node #0,2,0 Current State: 69:[74, 2], Operations: ['55-44=11', '13-11=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,69 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[74, 24], Operations: ['55-44=11', '13+11=24'] Exploring Operation: 74*24=1776, Resulting Numbers: [1776] 1776,69 unequal: No Solution Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 74+24=98, Resulting Numbers: [98] 98,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[74, 24], Operations: ['44-13=31', '55-31=24'] Exploring Operation: 74*24=1776, Resulting Numbers: [1776] 1776,69 unequal: No Solution Exploring Operation: 74+24=98, Resulting Numbers: [98] 98,69 unequal: No Solution Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[31, 19], Operations: ['44-13=31', '74-55=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,69 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[11, 61], Operations: ['55-44=11', '74-13=61'] Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,69 unequal: No Solution Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,69 unequal: No Solution Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[74, 86], Operations: ['44-13=31', '55+31=86'] Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,69 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,69 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,69 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 50, 88, 53, 81 ]
66
[ "88-50=38", "81-53=28", "38+28=66" ]
Current State: 66:[50, 88, 53, 81], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [53, 81, 38] Generated Node #2: [53, 81, 38] from Operation: 88-50=38 Current State: 66:[53, 81, 38], Operations: ['88-50=38'] Exploring Operation: 81-53=28, Resulting Numbers: [38, 28] Generated Node #3: [38, 28] from Operation: 81-53=28 Current State: 66:[38, 28], Operations: ['88-50=38', '81-53=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[50, 88, 53, 81], Operations: [] Exploring Operation: 53-50=3, Resulting Numbers: [88, 81, 3] Generated Node #0,0: 66:[88, 81, 3] Operation: 53-50=3 Exploring Operation: 88-81=7, Resulting Numbers: [50, 53, 7] Generated Node #0,1: 66:[50, 53, 7] Operation: 88-81=7 Exploring Operation: 88-50=38, Resulting Numbers: [53, 81, 38] Generated Node #0,2: 66:[53, 81, 38] Operation: 88-50=38 Exploring Operation: 88-53=35, Resulting Numbers: [50, 81, 35] Generated Node #0,3: 66:[50, 81, 35] Operation: 88-53=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[50, 53, 7], Operations: ['88-81=7'] Exploring Operation: 53-50=3, Resulting Numbers: [7, 3] Generated Node #0,1,0: 66:[7, 3] Operation: 53-50=3 Exploring Operation: 50+7=57, Resulting Numbers: [53, 57] Generated Node #0,1,1: 66:[53, 57] Operation: 50+7=57 Exploring Operation: 50-7=43, Resulting Numbers: [53, 43] Generated Node #0,1,2: 66:[53, 43] Operation: 50-7=43 Exploring Operation: 53+7=60, Resulting Numbers: [50, 60] Generated Node #0,1,3: 66:[50, 60] Operation: 53+7=60 Moving to Node #0,1,0 Current State: 66:[7, 3], Operations: ['88-81=7', '53-50=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[50, 60], Operations: ['88-81=7', '53+7=60'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 50*60=3000, Resulting Numbers: [3000] 3000,66 unequal: No Solution Exploring Operation: 50+60=110, Resulting Numbers: [110] 110,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[53, 57], Operations: ['88-81=7', '50+7=57'] Exploring Operation: 53*57=3021, Resulting Numbers: [3021] 3021,66 unequal: No Solution Exploring Operation: 53+57=110, Resulting Numbers: [110] 110,66 unequal: No Solution Exploring Operation: 57-53=4, Resulting Numbers: [4] 4,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[53, 43], Operations: ['88-81=7', '50-7=43'] Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,66 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,66 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,66 unequal: No Solution No 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: 66:[53, 81, 38], Operations: ['88-50=38'] Exploring Operation: 53+38=91, Resulting Numbers: [81, 91] Generated Node #0,2,0: 66:[81, 91] Operation: 53+38=91 Exploring Operation: 53-38=15, Resulting Numbers: [81, 15] Generated Node #0,2,1: 66:[81, 15] Operation: 53-38=15 Exploring Operation: 81-53=28, Resulting Numbers: [38, 28] Generated Node #0,2,2: 66:[38, 28] Operation: 81-53=28 Exploring Operation: 81-38=43, Resulting Numbers: [53, 43] Generated Node #0,2,3: 66:[53, 43] Operation: 81-38=43 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[38, 28], Operations: ['88-50=38', '81-53=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[50, 88, 53, 81], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [53, 81, 38] Generated Node #0,2: 66:[53, 81, 38] Operation: 88-50=38 Moving to Node #0,2 Current State: 66:[53, 81, 38], Operations: ['88-50=38'] Exploring Operation: 81-53=28, Resulting Numbers: [38, 28] Generated Node #0,2,2: 66:[38, 28] Operation: 81-53=28 Moving to Node #0,2,2 Current State: 66:[38, 28], Operations: ['88-50=38', '81-53=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 10, 74, 67, 79 ]
52
[ "74-10=64", "79-67=12", "64-12=52" ]
Current State: 52:[10, 74, 67, 79], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [67, 79, 64] Generated Node #2: [67, 79, 64] from Operation: 74-10=64 Current State: 52:[67, 79, 64], Operations: ['74-10=64'] Exploring Operation: 79-67=12, Resulting Numbers: [64, 12] Generated Node #3: [64, 12] from Operation: 79-67=12 Current State: 52:[64, 12], Operations: ['74-10=64', '79-67=12'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[10, 74, 67, 79], Operations: [] Exploring Operation: 67-10=57, Resulting Numbers: [74, 79, 57] Generated Node #0,0: 52:[74, 79, 57] Operation: 67-10=57 Exploring Operation: 79-67=12, Resulting Numbers: [10, 74, 12] Generated Node #0,1: 52:[10, 74, 12] Operation: 79-67=12 Exploring Operation: 74-10=64, Resulting Numbers: [67, 79, 64] Generated Node #0,2: 52:[67, 79, 64] Operation: 74-10=64 Exploring Operation: 79-74=5, Resulting Numbers: [10, 67, 5] Generated Node #0,3: 52:[10, 67, 5] Operation: 79-74=5 Exploring Operation: 74-67=7, Resulting Numbers: [10, 79, 7] Generated Node #0,4: 52:[10, 79, 7] Operation: 74-67=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[10, 67, 5], Operations: ['79-74=5'] Exploring Operation: 10/5=2, Resulting Numbers: [67, 2] Generated Node #0,3,0: 52:[67, 2] Operation: 10/5=2 Exploring Operation: 67-5=62, Resulting Numbers: [10, 62] Generated Node #0,3,1: 52:[10, 62] Operation: 67-5=62 Exploring Operation: 67-10=57, Resulting Numbers: [5, 57] Generated Node #0,3,2: 52:[5, 57] Operation: 67-10=57 Exploring Operation: 10-5=5, Resulting Numbers: [67, 5] Generated Node #0,3,3: 52:[67, 5] Operation: 10-5=5 Exploring Operation: 10+5=15, Resulting Numbers: [67, 15] Generated Node #0,3,4: 52:[67, 15] Operation: 10+5=15 Moving to Node #0,3,2 Current State: 52:[5, 57], Operations: ['79-74=5', '67-10=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[10, 74, 67, 79], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [10, 67, 5] Generated Node #0,3: 52:[10, 67, 5] Operation: 79-74=5 Moving to Node #0,3 Current State: 52:[10, 67, 5], Operations: ['79-74=5'] Exploring Operation: 67-10=57, Resulting Numbers: [5, 57] Generated Node #0,3,2: 52:[5, 57] Operation: 67-10=57 Moving to Node #0,3,2 Current State: 52:[5, 57], Operations: ['79-74=5', '67-10=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 27, 52, 86, 29 ]
69
[ "29-27=2", "52+86=138", "138/2=69" ]
Current State: 69:[27, 52, 86, 29], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [52, 86, 2] Generated Node #2: [52, 86, 2] from Operation: 29-27=2 Current State: 69:[52, 86, 2], Operations: ['29-27=2'] Exploring Operation: 52+86=138, Resulting Numbers: [2, 138] Generated Node #3: [2, 138] from Operation: 52+86=138 Current State: 69:[2, 138], Operations: ['29-27=2', '52+86=138'] Exploring Operation: 138/2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[27, 52, 86, 29], Operations: [] Exploring Operation: 86-52=34, Resulting Numbers: [27, 29, 34] Generated Node #0,0: 69:[27, 29, 34] Operation: 86-52=34 Moving to Node #0,0 Current State: 69:[27, 29, 34], Operations: ['86-52=34'] Exploring Operation: 34-29=5, Resulting Numbers: [27, 5] Generated Node #0,0,0: 69:[27, 5] Operation: 34-29=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[27, 5], Operations: ['86-52=34', '34-29=5'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,69 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
[ 87, 3, 44, 56 ]
41
[ "87/3=29", "56-44=12", "29+12=41" ]
Current State: 41:[87, 3, 44, 56], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [44, 56, 29] Generated Node #2: [44, 56, 29] from Operation: 87/3=29 Current State: 41:[44, 56, 29], Operations: ['87/3=29'] Exploring Operation: 56-44=12, Resulting Numbers: [29, 12] Generated Node #3: [29, 12] from Operation: 56-44=12 Current State: 41:[29, 12], Operations: ['87/3=29', '56-44=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[87, 3, 44, 56], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [3, 56, 43] Generated Node #0,0: 41:[3, 56, 43] Operation: 87-44=43 Exploring Operation: 87/3=29, Resulting Numbers: [44, 56, 29] Generated Node #0,1: 41:[44, 56, 29] Operation: 87/3=29 Exploring Operation: 87-56=31, Resulting Numbers: [3, 44, 31] Generated Node #0,2: 41:[3, 44, 31] Operation: 87-56=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[44, 56, 29], Operations: ['87/3=29'] Exploring Operation: 44-29=15, Resulting Numbers: [56, 15] Generated Node #0,1,0: 41:[56, 15] Operation: 44-29=15 Exploring Operation: 56-29=27, Resulting Numbers: [44, 27] Generated Node #0,1,1: 41:[44, 27] Operation: 56-29=27 Exploring Operation: 56-44=12, Resulting Numbers: [29, 12] Generated Node #0,1,2: 41:[29, 12] Operation: 56-44=12 Moving to Node #0,1,1 Current State: 41:[44, 27], Operations: ['87/3=29', '56-29=27'] Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,41 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[56, 15], Operations: ['87/3=29', '44-29=15'] Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,41 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[87, 3, 44, 56], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [44, 56, 29] Generated Node #0,1: 41:[44, 56, 29] Operation: 87/3=29 Moving to Node #0,1 Current State: 41:[44, 56, 29], Operations: ['87/3=29'] Exploring Operation: 44-29=15, Resulting Numbers: [56, 15] Generated Node #0,1,0: 41:[56, 15] Operation: 44-29=15 Moving to Node #0,1,0 Current State: 41:[56, 15], Operations: ['87/3=29', '44-29=15'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 15, 68, 1, 22 ]
75
[ "68-15=53", "1*22=22", "53+22=75" ]
Current State: 75:[15, 68, 1, 22], Operations: [] Exploring Operation: 68-15=53, Resulting Numbers: [1, 22, 53] Generated Node #2: [1, 22, 53] from Operation: 68-15=53 Current State: 75:[1, 22, 53], Operations: ['68-15=53'] Exploring Operation: 1*22=22, Resulting Numbers: [53, 22] Generated Node #3: [53, 22] from Operation: 1*22=22 Current State: 75:[53, 22], Operations: ['68-15=53', '1*22=22'] Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[15, 68, 1, 22], Operations: [] Exploring Operation: 68+1=69, Resulting Numbers: [15, 22, 69] Generated Node #0,0: 75:[15, 22, 69] Operation: 68+1=69 Exploring Operation: 1+22=23, Resulting Numbers: [15, 68, 23] Generated Node #0,1: 75:[15, 68, 23] Operation: 1+22=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[15, 22, 69], Operations: ['68+1=69'] Exploring Operation: 22-15=7, Resulting Numbers: [69, 7] Generated Node #0,0,0: 75:[69, 7] Operation: 22-15=7 Exploring Operation: 15+69=84, Resulting Numbers: [22, 84] Generated Node #0,0,1: 75:[22, 84] Operation: 15+69=84 Moving to Node #0,0,0 Current State: 75:[69, 7], Operations: ['68+1=69', '22-15=7'] Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[22, 84], Operations: ['68+1=69', '15+69=84'] Exploring Operation: 22+84=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[15, 68, 23], Operations: ['1+22=23'] Exploring Operation: 15+68=83, Resulting Numbers: [23, 83] Generated Node #0,1,0: 75:[23, 83] Operation: 15+68=83 Exploring Operation: 23-15=8, Resulting Numbers: [68, 8] Generated Node #0,1,1: 75:[68, 8] Operation: 23-15=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[23, 83], Operations: ['1+22=23', '15+68=83'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,75 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: 75:[68, 8], Operations: ['1+22=23', '23-15=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,75 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
[ 6, 75, 45, 27 ]
62
[ "75+27=102", "102/6=17", "45+17=62" ]
Current State: 62:[6, 75, 45, 27], Operations: [] Exploring Operation: 75+27=102, Resulting Numbers: [6, 45, 102] Generated Node #2: [6, 45, 102] from Operation: 75+27=102 Current State: 62:[6, 45, 102], Operations: ['75+27=102'] Exploring Operation: 102/6=17, Resulting Numbers: [45, 17] Generated Node #3: [45, 17] from Operation: 102/6=17 Current State: 62:[45, 17], Operations: ['75+27=102', '102/6=17'] Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[6, 75, 45, 27], Operations: [] Exploring Operation: 75-6=69, Resulting Numbers: [45, 27, 69] Generated Node #0,0: 62:[45, 27, 69] Operation: 75-6=69 Exploring Operation: 45-6=39, Resulting Numbers: [75, 27, 39] Generated Node #0,1: 62:[75, 27, 39] Operation: 45-6=39 Exploring Operation: 45+27=72, Resulting Numbers: [6, 75, 72] Generated Node #0,2: 62:[6, 75, 72] Operation: 45+27=72 Exploring Operation: 6+45=51, Resulting Numbers: [75, 27, 51] Generated Node #0,3: 62:[75, 27, 51] Operation: 6+45=51 Exploring Operation: 75-45=30, Resulting Numbers: [6, 27, 30] Generated Node #0,4: 62:[6, 27, 30] Operation: 75-45=30 Moving to Node #0,4 Current State: 62:[6, 27, 30], Operations: ['75-45=30'] Exploring Operation: 6+30=36, Resulting Numbers: [27, 36] Generated Node #0,4,0: 62:[27, 36] Operation: 6+30=36 Exploring Operation: 30-27=3, Resulting Numbers: [6, 3] Generated Node #0,4,1: 62:[6, 3] Operation: 30-27=3 Exploring Operation: 30/6=5, Resulting Numbers: [27, 5] Generated Node #0,4,2: 62:[27, 5] Operation: 30/6=5 Exploring Operation: 27+30=57, Resulting Numbers: [6, 57] Generated Node #0,4,3: 62:[6, 57] Operation: 27+30=57 Exploring Operation: 6+27=33, Resulting Numbers: [30, 33] Generated Node #0,4,4: 62:[30, 33] Operation: 6+27=33 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 62:[30, 33], Operations: ['75-45=30', '6+27=33'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,62 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,62 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 #0,4,1 Current State: 62:[6, 3], Operations: ['75-45=30', '30-27=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,62 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 #0,4,2 Current State: 62:[27, 5], Operations: ['75-45=30', '30/6=5'] Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,62 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,62 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 #0,4,0 Current State: 62:[27, 36], Operations: ['75-45=30', '6+30=36'] Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,62 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 #0,4,3 Current State: 62:[6, 57], Operations: ['75-45=30', '27+30=57'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 6*57=342, Resulting Numbers: [342] 342,62 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: 62:[75, 27, 39], Operations: ['45-6=39'] Exploring Operation: 75-39=36, Resulting Numbers: [27, 36] Generated Node #0,1,0: 62:[27, 36] Operation: 75-39=36 Exploring Operation: 27+39=66, Resulting Numbers: [75, 66] Generated Node #0,1,1: 62:[75, 66] Operation: 27+39=66 Exploring Operation: 39-27=12, Resulting Numbers: [75, 12] Generated Node #0,1,2: 62:[75, 12] Operation: 39-27=12 Exploring Operation: 75+27=102, Resulting Numbers: [39, 102] Generated Node #0,1,3: 62:[39, 102] Operation: 75+27=102 Exploring Operation: 75-27=48, Resulting Numbers: [39, 48] Generated Node #0,1,4: 62:[39, 48] Operation: 75-27=48 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[27, 36], Operations: ['45-6=39', '75-39=36'] Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[75, 66], Operations: ['45-6=39', '27+39=66'] Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 75*66=4950, Resulting Numbers: [4950] 4950,62 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 62:[39, 48], Operations: ['45-6=39', '75-27=48'] Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[75, 12], Operations: ['45-6=39', '39-27=12'] Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,62 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[39, 102], Operations: ['45-6=39', '75+27=102'] Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,62 unequal: No Solution Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,62 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:[45, 27, 69], Operations: ['75-6=69'] Exploring Operation: 45-27=18, Resulting Numbers: [69, 18] Generated Node #0,0,0: 62:[69, 18] Operation: 45-27=18 Exploring Operation: 69-27=42, Resulting Numbers: [45, 42] Generated Node #0,0,1: 62:[45, 42] Operation: 69-27=42 Exploring Operation: 45+27=72, Resulting Numbers: [69, 72] Generated Node #0,0,2: 62:[69, 72] Operation: 45+27=72 Exploring Operation: 27+69=96, Resulting Numbers: [45, 96] Generated Node #0,0,3: 62:[45, 96] Operation: 27+69=96 Exploring Operation: 69-45=24, Resulting Numbers: [27, 24] Generated Node #0,0,4: 62:[27, 24] Operation: 69-45=24 Moving to Node #0,2 Current State: 62:[6, 75, 72], Operations: ['45+27=72'] Exploring Operation: 75-72=3, Resulting Numbers: [6, 3] Generated Node #0,2,0: 62:[6, 3] Operation: 75-72=3 Exploring Operation: 72-6=66, Resulting Numbers: [75, 66] Generated Node #0,2,1: 62:[75, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [75, 12] Generated Node #0,2,2: 62:[75, 12] Operation: 72/6=12 Exploring Operation: 75-6=69, Resulting Numbers: [72, 69] Generated Node #0,2,3: 62:[72, 69] Operation: 75-6=69 Exploring Operation: 6+75=81, Resulting Numbers: [72, 81] Generated Node #0,2,4: 62:[72, 81] Operation: 6+75=81 Moving to Node #0,3 Current State: 62:[75, 27, 51], Operations: ['6+45=51'] Exploring Operation: 51-27=24, Resulting Numbers: [75, 24] Generated Node #0,3,0: 62:[75, 24] Operation: 51-27=24 Exploring Operation: 27+51=78, Resulting Numbers: [75, 78] Generated Node #0,3,1: 62:[75, 78] Operation: 27+51=78 Exploring Operation: 75-27=48, Resulting Numbers: [51, 48] Generated Node #0,3,2: 62:[51, 48] Operation: 75-27=48 Exploring Operation: 75-51=24, Resulting Numbers: [27, 24] Generated Node #0,3,3: 62:[27, 24] Operation: 75-51=24 Exploring Operation: 75+27=102, Resulting Numbers: [51, 102] Generated Node #0,3,4: 62:[51, 102] Operation: 75+27=102 Moving to Node #0,2,0 Current State: 62:[6, 3], Operations: ['45+27=72', '75-72=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[27, 24], Operations: ['75-6=69', '69-45=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[27, 24], Operations: ['6+45=51', '75-51=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[75, 66], Operations: ['45+27=72', '72-6=66'] Exploring Operation: 75*66=4950, Resulting Numbers: [4950] 4950,62 unequal: No Solution Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[69, 72], Operations: ['75-6=69', '45+27=72'] Exploring Operation: 69*72=4968, Resulting Numbers: [4968] 4968,62 unequal: No Solution Exploring Operation: 69+72=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[72, 69], Operations: ['45+27=72', '75-6=69'] Exploring Operation: 72*69=4968, Resulting Numbers: [4968] 4968,62 unequal: No Solution Exploring Operation: 72+69=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[69, 18], Operations: ['75-6=69', '45-27=18'] Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,62 unequal: No Solution Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[75, 24], Operations: ['6+45=51', '51-27=24'] Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 75*24=1800, Resulting Numbers: [1800] 1800,62 unequal: No Solution Exploring Operation: 75+24=99, Resulting Numbers: [99] 99,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[75, 12], Operations: ['45+27=72', '72/6=12'] Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,62 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[51, 48], Operations: ['6+45=51', '75-27=48'] Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,62 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,62 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[45, 42], Operations: ['75-6=69', '69-27=42'] Exploring Operation: 45*42=1890, Resulting Numbers: [1890] 1890,62 unequal: No Solution Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[75, 78], Operations: ['6+45=51', '27+51=78'] Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 75*78=5850, Resulting Numbers: [5850] 5850,62 unequal: No Solution Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,62 unequal: No Solution Moving to Node #0,2,4 Current State: 62:[72, 81], Operations: ['45+27=72', '6+75=81'] Exploring Operation: 81-72=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 72*81=5832, Resulting Numbers: [5832] 5832,62 unequal: No Solution Exploring Operation: 72+81=153, Resulting Numbers: [153] 153,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[45, 96], Operations: ['75-6=69', '27+69=96'] Exploring Operation: 45*96=4320, Resulting Numbers: [4320] 4320,62 unequal: No Solution Exploring Operation: 96-45=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 45+96=141, Resulting Numbers: [141] 141,62 unequal: No Solution Moving to Node #0,3,4 Current State: 62:[51, 102], Operations: ['6+45=51', '75+27=102'] Exploring Operation: 51+102=153, Resulting Numbers: [153] 153,62 unequal: No Solution Exploring Operation: 102-51=51, Resulting Numbers: [51] 51,62 unequal: No Solution Exploring Operation: 51*102=5202, Resulting Numbers: [5202] 5202,62 unequal: No Solution Exploring Operation: 102/51=2, Resulting Numbers: [2] 2,62 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 5, 38, 89, 24 ]
51
[ "89-24=65", "65/5=13", "38+13=51" ]
Current State: 51:[5, 38, 89, 24], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [5, 38, 65] Generated Node #2: [5, 38, 65] from Operation: 89-24=65 Current State: 51:[5, 38, 65], Operations: ['89-24=65'] Exploring Operation: 65/5=13, Resulting Numbers: [38, 13] Generated Node #3: [38, 13] from Operation: 65/5=13 Current State: 51:[38, 13], Operations: ['89-24=65', '65/5=13'] Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[5, 38, 89, 24], Operations: [] Exploring Operation: 38-24=14, Resulting Numbers: [5, 89, 14] Generated Node #0,0: 51:[5, 89, 14] Operation: 38-24=14 Exploring Operation: 5+38=43, Resulting Numbers: [89, 24, 43] Generated Node #0,1: 51:[89, 24, 43] Operation: 5+38=43 Exploring Operation: 89-38=51, Resulting Numbers: [5, 24, 51] Generated Node #0,2: 51:[5, 24, 51] Operation: 89-38=51 Exploring Operation: 89-24=65, Resulting Numbers: [5, 38, 65] Generated Node #0,3: 51:[5, 38, 65] Operation: 89-24=65 Exploring Operation: 38+24=62, Resulting Numbers: [5, 89, 62] Generated Node #0,4: 51:[5, 89, 62] Operation: 38+24=62 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[5, 24, 51], Operations: ['89-38=51'] Exploring Operation: 5+51=56, Resulting Numbers: [24, 56] Generated Node #0,2,0: 51:[24, 56] Operation: 5+51=56 Exploring Operation: 51-5=46, Resulting Numbers: [24, 46] Generated Node #0,2,1: 51:[24, 46] Operation: 51-5=46 Exploring Operation: 24-5=19, Resulting Numbers: [51, 19] Generated Node #0,2,2: 51:[51, 19] Operation: 24-5=19 Exploring Operation: 5+24=29, Resulting Numbers: [51, 29] Generated Node #0,2,3: 51:[51, 29] Operation: 5+24=29 Exploring Operation: 51-24=27, Resulting Numbers: [5, 27] Generated Node #0,2,4: 51:[5, 27] Operation: 51-24=27 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[51, 19], Operations: ['89-38=51', '24-5=19'] Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,51 unequal: No Solution Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,51 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,51 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: 51:[24, 56], Operations: ['89-38=51', '5+51=56'] Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,51 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,51 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: 51:[24, 46], Operations: ['89-38=51', '51-5=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,51 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,51 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: 51:[51, 29], Operations: ['89-38=51', '5+24=29'] Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,51 unequal: No Solution Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 51:[5, 27], Operations: ['89-38=51', '51-24=27'] Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,51 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,51 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: 51:[5, 38, 65], Operations: ['89-24=65'] Exploring Operation: 65-38=27, Resulting Numbers: [5, 27] Generated Node #0,3,0: 51:[5, 27] Operation: 65-38=27 Exploring Operation: 38-5=33, Resulting Numbers: [65, 33] Generated Node #0,3,1: 51:[65, 33] Operation: 38-5=33 Exploring Operation: 5+38=43, Resulting Numbers: [65, 43] Generated Node #0,3,2: 51:[65, 43] Operation: 5+38=43 Exploring Operation: 65-5=60, Resulting Numbers: [38, 60] Generated Node #0,3,3: 51:[38, 60] Operation: 65-5=60 Exploring Operation: 65/5=13, Resulting Numbers: [38, 13] Generated Node #0,3,4: 51:[38, 13] Operation: 65/5=13 Moving to Node #0,3,0 Current State: 51:[5, 27], Operations: ['89-24=65', '65-38=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,51 unequal: No Solution Moving to Node #0,3,4 Current State: 51:[38, 13], Operations: ['89-24=65', '65/5=13'] Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,51 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[5, 38, 89, 24], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [5, 38, 65] Generated Node #0,3: 51:[5, 38, 65] Operation: 89-24=65 Moving to Node #0,3 Current State: 51:[5, 38, 65], Operations: ['89-24=65'] Exploring Operation: 65/5=13, Resulting Numbers: [38, 13] Generated Node #0,3,4: 51:[38, 13] Operation: 65/5=13 Moving to Node #0,3,4 Current State: 51:[38, 13], Operations: ['89-24=65', '65/5=13'] Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 65, 23, 29, 36 ]
81
[ "65+23=88", "36-29=7", "88-7=81" ]
Current State: 81:[65, 23, 29, 36], Operations: [] Exploring Operation: 65+23=88, Resulting Numbers: [29, 36, 88] Generated Node #2: [29, 36, 88] from Operation: 65+23=88 Current State: 81:[29, 36, 88], Operations: ['65+23=88'] Exploring Operation: 36-29=7, Resulting Numbers: [88, 7] Generated Node #3: [88, 7] from Operation: 36-29=7 Current State: 81:[88, 7], Operations: ['65+23=88', '36-29=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[65, 23, 29, 36], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [23, 29, 29] Generated Node #0,0: 81:[23, 29, 29] Operation: 65-36=29 Exploring Operation: 65+23=88, Resulting Numbers: [29, 36, 88] Generated Node #0,1: 81:[29, 36, 88] Operation: 65+23=88 Exploring Operation: 36-23=13, Resulting Numbers: [65, 29, 13] Generated Node #0,2: 81:[65, 29, 13] Operation: 36-23=13 Exploring Operation: 65-29=36, Resulting Numbers: [23, 36, 36] Generated Node #0,3: 81:[23, 36, 36] Operation: 65-29=36 Moving to Node #0,0 Current State: 81:[23, 29, 29], Operations: ['65-36=29'] Exploring Operation: 29-29=0, Resulting Numbers: [23, 0] Generated Node #0,0,0: 81:[23, 0] Operation: 29-29=0 Exploring Operation: 29-23=6, Resulting Numbers: [29, 6] Generated Node #0,0,1: 81:[29, 6] Operation: 29-23=6 Exploring Operation: 29-23=6, Resulting Numbers: [29, 6] Generated Node #0,0,2: 81:[29, 6] Operation: 29-23=6 Exploring Operation: 29/29=1, Resulting Numbers: [23, 1] Generated Node #0,0,3: 81:[23, 1] Operation: 29/29=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[29, 6], Operations: ['65-36=29', '29-23=6'] Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,81 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,81 unequal: No Solution No 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: 81:[29, 6], Operations: ['65-36=29', '29-23=6'] Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,81 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,81 unequal: No Solution No 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: 81:[23, 1], Operations: ['65-36=29', '29/29=1'] Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,81 unequal: No Solution Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,81 unequal: No Solution No 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: 81:[23, 0], Operations: ['65-36=29', '29-29=0'] Exploring Operation: 23*0=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,81 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: 81:[29, 36, 88], Operations: ['65+23=88'] Exploring Operation: 36-29=7, Resulting Numbers: [88, 7] Generated Node #0,1,0: 81:[88, 7] Operation: 36-29=7 Exploring Operation: 29+36=65, Resulting Numbers: [88, 65] Generated Node #0,1,1: 81:[88, 65] Operation: 29+36=65 Exploring Operation: 88-36=52, Resulting Numbers: [29, 52] Generated Node #0,1,2: 81:[29, 52] Operation: 88-36=52 Exploring Operation: 88-29=59, Resulting Numbers: [36, 59] Generated Node #0,1,3: 81:[36, 59] Operation: 88-29=59 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[88, 7], Operations: ['65+23=88', '36-29=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[65, 23, 29, 36], Operations: [] Exploring Operation: 65+23=88, Resulting Numbers: [29, 36, 88] Generated Node #0,1: 81:[29, 36, 88] Operation: 65+23=88 Moving to Node #0,1 Current State: 81:[29, 36, 88], Operations: ['65+23=88'] Exploring Operation: 36-29=7, Resulting Numbers: [88, 7] Generated Node #0,1,0: 81:[88, 7] Operation: 36-29=7 Moving to Node #0,1,0 Current State: 81:[88, 7], Operations: ['65+23=88', '36-29=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 46, 79, 66, 25 ]
34
[ "46+79=125", "66+25=91", "125-91=34" ]
Current State: 34:[46, 79, 66, 25], Operations: [] Exploring Operation: 46+79=125, Resulting Numbers: [66, 25, 125] Generated Node #2: [66, 25, 125] from Operation: 46+79=125 Current State: 34:[66, 25, 125], Operations: ['46+79=125'] Exploring Operation: 66+25=91, Resulting Numbers: [125, 91] Generated Node #3: [125, 91] from Operation: 66+25=91 Current State: 34:[125, 91], Operations: ['46+79=125', '66+25=91'] Exploring Operation: 125-91=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[46, 79, 66, 25], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [46, 25, 13] Generated Node #0,0: 34:[46, 25, 13] Operation: 79-66=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[46, 25, 13], Operations: ['79-66=13'] Exploring Operation: 46-25=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 34:[13, 21] Operation: 46-25=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[13, 21], Operations: ['79-66=13', '46-25=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[46, 79, 66, 25], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [46, 25, 13] Generated Node #0,0: 34:[46, 25, 13] Operation: 79-66=13 Moving to Node #0,0 Current State: 34:[46, 25, 13], Operations: ['79-66=13'] Exploring Operation: 46-25=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 34:[13, 21] Operation: 46-25=21 Moving to Node #0,0,0 Current State: 34:[13, 21], Operations: ['79-66=13', '46-25=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 79, 20, 91, 74 ]
95
[ "79-74=5", "20/5=4", "91+4=95" ]
Current State: 95:[79, 20, 91, 74], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [20, 91, 5] Generated Node #2: [20, 91, 5] from Operation: 79-74=5 Current State: 95:[20, 91, 5], Operations: ['79-74=5'] Exploring Operation: 20/5=4, Resulting Numbers: [91, 4] Generated Node #3: [91, 4] from Operation: 20/5=4 Current State: 95:[91, 4], Operations: ['79-74=5', '20/5=4'] Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[79, 20, 91, 74], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [20, 91, 5] Generated Node #0,0: 95:[20, 91, 5] Operation: 79-74=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[20, 91, 5], Operations: ['79-74=5'] Exploring Operation: 91+5=96, Resulting Numbers: [20, 96] Generated Node #0,0,0: 95:[20, 96] Operation: 91+5=96 Moving to Node #0,0,0 Current State: 95:[20, 96], Operations: ['79-74=5', '91+5=96'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,95 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, 15, 77, 43 ]
99
[ "6+15=21", "77+43=120", "120-21=99" ]
Current State: 99:[6, 15, 77, 43], Operations: [] Exploring Operation: 6+15=21, Resulting Numbers: [77, 43, 21] Generated Node #2: [77, 43, 21] from Operation: 6+15=21 Current State: 99:[77, 43, 21], Operations: ['6+15=21'] Exploring Operation: 77+43=120, Resulting Numbers: [21, 120] Generated Node #3: [21, 120] from Operation: 77+43=120 Current State: 99:[21, 120], Operations: ['6+15=21', '77+43=120'] Exploring Operation: 120-21=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[6, 15, 77, 43], Operations: [] Exploring Operation: 15+77=92, Resulting Numbers: [6, 43, 92] Generated Node #0,0: 99:[6, 43, 92] Operation: 15+77=92 Exploring Operation: 77-43=34, Resulting Numbers: [6, 15, 34] Generated Node #0,1: 99:[6, 15, 34] Operation: 77-43=34 Exploring Operation: 77+43=120, Resulting Numbers: [6, 15, 120] Generated Node #0,2: 99:[6, 15, 120] Operation: 77+43=120 Moving to Node #0,1 Current State: 99:[6, 15, 34], Operations: ['77-43=34'] Exploring Operation: 34-6=28, Resulting Numbers: [15, 28] Generated Node #0,1,0: 99:[15, 28] Operation: 34-6=28 Exploring Operation: 15-6=9, Resulting Numbers: [34, 9] Generated Node #0,1,1: 99:[34, 9] Operation: 15-6=9 Exploring Operation: 6*15=90, Resulting Numbers: [34, 90] Generated Node #0,1,2: 99:[34, 90] Operation: 6*15=90 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[34, 9], Operations: ['77-43=34', '15-6=9'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,99 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,99 unequal: No Solution No 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: 99:[15, 28], Operations: ['77-43=34', '34-6=28'] Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,99 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,99 unequal: No Solution No 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: 99:[34, 90], Operations: ['77-43=34', '6*15=90'] Exploring Operation: 34+90=124, Resulting Numbers: [124] 124,99 unequal: No Solution Exploring Operation: 34*90=3060, Resulting Numbers: [3060] 3060,99 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,99 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: 99:[6, 43, 92], Operations: ['15+77=92'] Exploring Operation: 92-43=49, Resulting Numbers: [6, 49] Generated Node #0,0,0: 99:[6, 49] Operation: 92-43=49 Exploring Operation: 6+92=98, Resulting Numbers: [43, 98] Generated Node #0,0,1: 99:[43, 98] Operation: 6+92=98 Exploring Operation: 43-6=37, Resulting Numbers: [92, 37] Generated Node #0,0,2: 99:[92, 37] Operation: 43-6=37 Moving to Node #0,2 Current State: 99:[6, 15, 120], Operations: ['77+43=120'] Exploring Operation: 120-15=105, Resulting Numbers: [6, 105] Generated Node #0,2,0: 99:[6, 105] Operation: 120-15=105 Exploring Operation: 120/6=20, Resulting Numbers: [15, 20] Generated Node #0,2,1: 99:[15, 20] Operation: 120/6=20 Exploring Operation: 120/15=8, Resulting Numbers: [6, 8] Generated Node #0,2,2: 99:[6, 8] Operation: 120/15=8 Moving to Node #0,2,2 Current State: 99:[6, 8], Operations: ['77+43=120', '120/15=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[6, 105], Operations: ['77+43=120', '120-15=105'] Exploring Operation: 6*105=630, Resulting Numbers: [630] 630,99 unequal: No Solution Exploring Operation: 6+105=111, Resulting Numbers: [111] 111,99 unequal: No Solution Exploring Operation: 105-6=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[6, 15, 77, 43], Operations: [] Exploring Operation: 77+43=120, Resulting Numbers: [6, 15, 120] Generated Node #0,2: 99:[6, 15, 120] Operation: 77+43=120 Moving to Node #0,2 Current State: 99:[6, 15, 120], Operations: ['77+43=120'] Exploring Operation: 120-15=105, Resulting Numbers: [6, 105] Generated Node #0,2,0: 99:[6, 105] Operation: 120-15=105 Moving to Node #0,2,0 Current State: 99:[6, 105], Operations: ['77+43=120', '120-15=105'] Exploring Operation: 105-6=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 42, 15, 53, 69 ]
65
[ "42+15=57", "53+69=122", "122-57=65" ]
Current State: 65:[42, 15, 53, 69], Operations: [] Exploring Operation: 42+15=57, Resulting Numbers: [53, 69, 57] Generated Node #2: [53, 69, 57] from Operation: 42+15=57 Current State: 65:[53, 69, 57], Operations: ['42+15=57'] Exploring Operation: 53+69=122, Resulting Numbers: [57, 122] Generated Node #3: [57, 122] from Operation: 53+69=122 Current State: 65:[57, 122], Operations: ['42+15=57', '53+69=122'] Exploring Operation: 122-57=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[42, 15, 53, 69], Operations: [] Exploring Operation: 42+15=57, Resulting Numbers: [53, 69, 57] Generated Node #0,0: 65:[53, 69, 57] Operation: 42+15=57 Exploring Operation: 69-53=16, Resulting Numbers: [42, 15, 16] Generated Node #0,1: 65:[42, 15, 16] Operation: 69-53=16 Exploring Operation: 69-42=27, Resulting Numbers: [15, 53, 27] Generated Node #0,2: 65:[15, 53, 27] Operation: 69-42=27 Exploring Operation: 53-42=11, Resulting Numbers: [15, 69, 11] Generated Node #0,3: 65:[15, 69, 11] Operation: 53-42=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[15, 69, 11], Operations: ['53-42=11'] Exploring Operation: 15-11=4, Resulting Numbers: [69, 4] Generated Node #0,3,0: 65:[69, 4] Operation: 15-11=4 Exploring Operation: 69-15=54, Resulting Numbers: [11, 54] Generated Node #0,3,1: 65:[11, 54] Operation: 69-15=54 Exploring Operation: 69-11=58, Resulting Numbers: [15, 58] Generated Node #0,3,2: 65:[15, 58] Operation: 69-11=58 Exploring Operation: 15+11=26, Resulting Numbers: [69, 26] Generated Node #0,3,3: 65:[69, 26] Operation: 15+11=26 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[69, 4], Operations: ['53-42=11', '15-11=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[42, 15, 53, 69], Operations: [] Exploring Operation: 53-42=11, Resulting Numbers: [15, 69, 11] Generated Node #0,3: 65:[15, 69, 11] Operation: 53-42=11 Moving to Node #0,3 Current State: 65:[15, 69, 11], Operations: ['53-42=11'] Exploring Operation: 15-11=4, Resulting Numbers: [69, 4] Generated Node #0,3,0: 65:[69, 4] Operation: 15-11=4 Moving to Node #0,3,0 Current State: 65:[69, 4], Operations: ['53-42=11', '15-11=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 15, 43, 94, 76 ]
46
[ "43-15=28", "94-76=18", "28+18=46" ]
Current State: 46:[15, 43, 94, 76], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [94, 76, 28] Generated Node #2: [94, 76, 28] from Operation: 43-15=28 Current State: 46:[94, 76, 28], Operations: ['43-15=28'] Exploring Operation: 94-76=18, Resulting Numbers: [28, 18] Generated Node #3: [28, 18] from Operation: 94-76=18 Current State: 46:[28, 18], Operations: ['43-15=28', '94-76=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[15, 43, 94, 76], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [15, 76, 51] Generated Node #0,0: 46:[15, 76, 51] Operation: 94-43=51 Exploring Operation: 94-76=18, Resulting Numbers: [15, 43, 18] Generated Node #0,1: 46:[15, 43, 18] Operation: 94-76=18 Exploring Operation: 94-15=79, Resulting Numbers: [43, 76, 79] Generated Node #0,2: 46:[43, 76, 79] Operation: 94-15=79 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[15, 43, 18], Operations: ['94-76=18'] Exploring Operation: 18-15=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 46:[43, 3] Operation: 18-15=3 Exploring Operation: 43-15=28, Resulting Numbers: [18, 28] Generated Node #0,1,1: 46:[18, 28] Operation: 43-15=28 Exploring Operation: 43-18=25, Resulting Numbers: [15, 25] Generated Node #0,1,2: 46:[15, 25] Operation: 43-18=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[43, 3], Operations: ['94-76=18', '18-15=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[15, 43, 94, 76], Operations: [] Exploring Operation: 94-76=18, Resulting Numbers: [15, 43, 18] Generated Node #0,1: 46:[15, 43, 18] Operation: 94-76=18 Moving to Node #0,1 Current State: 46:[15, 43, 18], Operations: ['94-76=18'] Exploring Operation: 18-15=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 46:[43, 3] Operation: 18-15=3 Moving to Node #0,1,0 Current State: 46:[43, 3], Operations: ['94-76=18', '18-15=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 59, 6, 3, 84 ]
27
[ "84-59=25", "6/3=2", "25+2=27" ]
Current State: 27:[59, 6, 3, 84], Operations: [] Exploring Operation: 84-59=25, Resulting Numbers: [6, 3, 25] Generated Node #2: [6, 3, 25] from Operation: 84-59=25 Current State: 27:[6, 3, 25], Operations: ['84-59=25'] Exploring Operation: 6/3=2, Resulting Numbers: [25, 2] Generated Node #3: [25, 2] from Operation: 6/3=2 Current State: 27:[25, 2], Operations: ['84-59=25', '6/3=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[59, 6, 3, 84], Operations: [] Exploring Operation: 84/6=14, Resulting Numbers: [59, 3, 14] Generated Node #0,0: 27:[59, 3, 14] Operation: 84/6=14 Exploring Operation: 84-59=25, Resulting Numbers: [6, 3, 25] Generated Node #0,1: 27:[6, 3, 25] Operation: 84-59=25 Exploring Operation: 84/3=28, Resulting Numbers: [59, 6, 28] Generated Node #0,2: 27:[59, 6, 28] Operation: 84/3=28 Exploring Operation: 59-6=53, Resulting Numbers: [3, 84, 53] Generated Node #0,3: 27:[3, 84, 53] Operation: 59-6=53 Exploring Operation: 84-6=78, Resulting Numbers: [59, 3, 78] Generated Node #0,4: 27:[59, 3, 78] Operation: 84-6=78 Moving to Node #0,1 Current State: 27:[6, 3, 25], Operations: ['84-59=25'] Exploring Operation: 6+25=31, Resulting Numbers: [3, 31] Generated Node #0,1,0: 27:[3, 31] Operation: 6+25=31 Exploring Operation: 6+3=9, Resulting Numbers: [25, 9] Generated Node #0,1,1: 27:[25, 9] Operation: 6+3=9 Exploring Operation: 6/3=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 27:[25, 2] Operation: 6/3=2 Exploring Operation: 3+25=28, Resulting Numbers: [6, 28] Generated Node #0,1,3: 27:[6, 28] Operation: 3+25=28 Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #0,1,4: 27:[25, 3] Operation: 6-3=3 Moving to Node #0,2 Current State: 27:[59, 6, 28], Operations: ['84/3=28'] Exploring Operation: 59+6=65, Resulting Numbers: [28, 65] Generated Node #0,2,0: 27:[28, 65] Operation: 59+6=65 Exploring Operation: 6+28=34, Resulting Numbers: [59, 34] Generated Node #0,2,1: 27:[59, 34] Operation: 6+28=34 Exploring Operation: 59-28=31, Resulting Numbers: [6, 31] Generated Node #0,2,2: 27:[6, 31] Operation: 59-28=31 Exploring Operation: 59-6=53, Resulting Numbers: [28, 53] Generated Node #0,2,3: 27:[28, 53] Operation: 59-6=53 Exploring Operation: 28-6=22, Resulting Numbers: [59, 22] Generated Node #0,2,4: 27:[59, 22] Operation: 28-6=22 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[6, 31], Operations: ['84/3=28', '59-28=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,27 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 27:[28, 53], Operations: ['84/3=28', '59-6=53'] Exploring Operation: 28+53=81, Resulting Numbers: [81] 81,27 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 28*53=1484, Resulting Numbers: [1484] 1484,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 27:[59, 22], Operations: ['84/3=28', '28-6=22'] Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 59*22=1298, Resulting Numbers: [1298] 1298,27 unequal: No Solution Exploring Operation: 59+22=81, Resulting Numbers: [81] 81,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 27:[28, 65], Operations: ['84/3=28', '59+6=65'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,27 unequal: No Solution Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[59, 34], Operations: ['84/3=28', '6+28=34'] Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,27 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,27 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: 27:[59, 3, 14], Operations: ['84/6=14'] Exploring Operation: 14-3=11, Resulting Numbers: [59, 11] Generated Node #0,0,0: 27:[59, 11] Operation: 14-3=11 Exploring Operation: 59+3=62, Resulting Numbers: [14, 62] Generated Node #0,0,1: 27:[14, 62] Operation: 59+3=62 Exploring Operation: 59-3=56, Resulting Numbers: [14, 56] Generated Node #0,0,2: 27:[14, 56] Operation: 59-3=56 Exploring Operation: 3+14=17, Resulting Numbers: [59, 17] Generated Node #0,0,3: 27:[59, 17] Operation: 3+14=17 Exploring Operation: 59-14=45, Resulting Numbers: [3, 45] Generated Node #0,0,4: 27:[3, 45] Operation: 59-14=45 Moving to Node #0,3 Current State: 27:[3, 84, 53], Operations: ['59-6=53'] Exploring Operation: 84/3=28, Resulting Numbers: [53, 28] Generated Node #0,3,0: 27:[53, 28] Operation: 84/3=28 Exploring Operation: 84-53=31, Resulting Numbers: [3, 31] Generated Node #0,3,1: 27:[3, 31] Operation: 84-53=31 Exploring Operation: 53-3=50, Resulting Numbers: [84, 50] Generated Node #0,3,2: 27:[84, 50] Operation: 53-3=50 Exploring Operation: 3+84=87, Resulting Numbers: [53, 87] Generated Node #0,3,3: 27:[53, 87] Operation: 3+84=87 Exploring Operation: 84-3=81, Resulting Numbers: [53, 81] Generated Node #0,3,4: 27:[53, 81] Operation: 84-3=81 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 27:[3, 31], Operations: ['59-6=53', '84-53=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,27 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 27:[53, 28], Operations: ['59-6=53', '84/3=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,27 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 27:[84, 50], Operations: ['59-6=53', '53-3=50'] Exploring Operation: 84*50=4200, Resulting Numbers: [4200] 4200,27 unequal: No Solution Exploring Operation: 84+50=134, Resulting Numbers: [134] 134,27 unequal: No Solution Exploring Operation: 84-50=34, Resulting Numbers: [34] 34,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 27:[53, 81], Operations: ['59-6=53', '84-3=81'] Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,27 unequal: No Solution Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,27 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 27:[53, 87], Operations: ['59-6=53', '3+84=87'] Exploring Operation: 53*87=4611, Resulting Numbers: [4611] 4611,27 unequal: No Solution Exploring Operation: 53+87=140, Resulting Numbers: [140] 140,27 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,27 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: 27:[59, 3, 78], Operations: ['84-6=78'] Exploring Operation: 78-59=19, Resulting Numbers: [3, 19] Generated Node #0,4,0: 27:[3, 19] Operation: 78-59=19 Exploring Operation: 59+3=62, Resulting Numbers: [78, 62] Generated Node #0,4,1: 27:[78, 62] Operation: 59+3=62 Exploring Operation: 78/3=26, Resulting Numbers: [59, 26] Generated Node #0,4,2: 27:[59, 26] Operation: 78/3=26 Exploring Operation: 59-3=56, Resulting Numbers: [78, 56] Generated Node #0,4,3: 27:[78, 56] Operation: 59-3=56 Exploring Operation: 78-3=75, Resulting Numbers: [59, 75] Generated Node #0,4,4: 27:[59, 75] Operation: 78-3=75 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 27:[3, 19], Operations: ['84-6=78', '78-59=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,27 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 27:[59, 26], Operations: ['84-6=78', '78/3=26'] Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,27 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 27:[78, 56], Operations: ['84-6=78', '59-3=56'] Exploring Operation: 78*56=4368, Resulting Numbers: [4368] 4368,27 unequal: No Solution Exploring Operation: 78+56=134, Resulting Numbers: [134] 134,27 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 27:[59, 75], Operations: ['84-6=78', '78-3=75'] Exploring Operation: 59+75=134, Resulting Numbers: [134] 134,27 unequal: No Solution Exploring Operation: 59*75=4425, Resulting Numbers: [4425] 4425,27 unequal: No Solution Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 27:[78, 62], Operations: ['84-6=78', '59+3=62'] Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,27 unequal: No Solution Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,27 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,27 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: 27:[25, 9], Operations: ['84-59=25', '6+3=9'] Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,27 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[25, 3], Operations: ['84-59=25', '6-3=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,27 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,27 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[25, 2], Operations: ['84-59=25', '6/3=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[59, 6, 3, 84], Operations: [] Exploring Operation: 84-59=25, Resulting Numbers: [6, 3, 25] Generated Node #0,1: 27:[6, 3, 25] Operation: 84-59=25 Moving to Node #0,1 Current State: 27:[6, 3, 25], Operations: ['84-59=25'] Exploring Operation: 6/3=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 27:[25, 2] Operation: 6/3=2 Moving to Node #0,1,2 Current State: 27:[25, 2], Operations: ['84-59=25', '6/3=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.923611
hs_5
mult_heuristic
[ 57, 90, 98, 43 ]
97
[ "57-43=14", "98/14=7", "90+7=97" ]
Current State: 97:[57, 90, 98, 43], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [90, 98, 14] Generated Node #2: [90, 98, 14] from Operation: 57-43=14 Current State: 97:[90, 98, 14], Operations: ['57-43=14'] Exploring Operation: 98/14=7, Resulting Numbers: [90, 7] Generated Node #3: [90, 7] from Operation: 98/14=7 Current State: 97:[90, 7], Operations: ['57-43=14', '98/14=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[57, 90, 98, 43], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [90, 98, 14] Generated Node #0,0: 97:[90, 98, 14] Operation: 57-43=14 Exploring Operation: 57+43=100, Resulting Numbers: [90, 98, 100] Generated Node #0,1: 97:[90, 98, 100] Operation: 57+43=100 Exploring Operation: 90+43=133, Resulting Numbers: [57, 98, 133] Generated Node #0,2: 97:[57, 98, 133] Operation: 90+43=133 Exploring Operation: 98-43=55, Resulting Numbers: [57, 90, 55] Generated Node #0,3: 97:[57, 90, 55] Operation: 98-43=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[90, 98, 100], Operations: ['57+43=100'] Exploring Operation: 100-90=10, Resulting Numbers: [98, 10] Generated Node #0,1,0: 97:[98, 10] Operation: 100-90=10 Exploring Operation: 90+100=190, Resulting Numbers: [98, 190] Generated Node #0,1,1: 97:[98, 190] Operation: 90+100=190 Exploring Operation: 98-90=8, Resulting Numbers: [100, 8] Generated Node #0,1,2: 97:[100, 8] Operation: 98-90=8 Exploring Operation: 90+98=188, Resulting Numbers: [100, 188] Generated Node #0,1,3: 97:[100, 188] Operation: 90+98=188 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[98, 10], Operations: ['57+43=100', '100-90=10'] Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,97 unequal: No Solution Exploring Operation: 98+10=108, Resulting Numbers: [108] 108,97 unequal: No Solution Exploring Operation: 98*10=980, Resulting Numbers: [980] 980,97 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: 97:[100, 8], Operations: ['57+43=100', '98-90=8'] Exploring Operation: 100+8=108, Resulting Numbers: [108] 108,97 unequal: No Solution Exploring Operation: 100*8=800, Resulting Numbers: [800] 800,97 unequal: No Solution Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,97 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: 97:[98, 190], Operations: ['57+43=100', '90+100=190'] Exploring Operation: 98+190=288, Resulting Numbers: [288] 288,97 unequal: No Solution Exploring Operation: 98*190=18620, Resulting Numbers: [18620] 18620,97 unequal: No Solution Exploring Operation: 190-98=92, Resulting Numbers: [92] 92,97 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: 97:[100, 188], Operations: ['57+43=100', '90+98=188'] Exploring Operation: 100*188=18800, Resulting Numbers: [18800] 18800,97 unequal: No Solution Exploring Operation: 100+188=288, Resulting Numbers: [288] 288,97 unequal: No Solution Exploring Operation: 188-100=88, Resulting Numbers: [88] 88,97 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: 97:[57, 98, 133], Operations: ['90+43=133'] Exploring Operation: 57+133=190, Resulting Numbers: [98, 190] Generated Node #0,2,0: 97:[98, 190] Operation: 57+133=190 Exploring Operation: 98-57=41, Resulting Numbers: [133, 41] Generated Node #0,2,1: 97:[133, 41] Operation: 98-57=41 Exploring Operation: 57+98=155, Resulting Numbers: [133, 155] Generated Node #0,2,2: 97:[133, 155] Operation: 57+98=155 Exploring Operation: 133-57=76, Resulting Numbers: [98, 76] Generated Node #0,2,3: 97:[98, 76] Operation: 133-57=76 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[98, 76], Operations: ['90+43=133', '133-57=76'] Exploring Operation: 98-76=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 98*76=7448, Resulting Numbers: [7448] 7448,97 unequal: No Solution Exploring Operation: 98+76=174, Resulting Numbers: [174] 174,97 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: 97:[133, 41], Operations: ['90+43=133', '98-57=41'] Exploring Operation: 133+41=174, Resulting Numbers: [174] 174,97 unequal: No Solution Exploring Operation: 133-41=92, Resulting Numbers: [92] 92,97 unequal: No Solution Exploring Operation: 133*41=5453, Resulting Numbers: [5453] 5453,97 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: 97:[98, 190], Operations: ['90+43=133', '57+133=190'] Exploring Operation: 98*190=18620, Resulting Numbers: [18620] 18620,97 unequal: No Solution Exploring Operation: 98+190=288, Resulting Numbers: [288] 288,97 unequal: No Solution Exploring Operation: 190-98=92, Resulting Numbers: [92] 92,97 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: 97:[133, 155], Operations: ['90+43=133', '57+98=155'] Exploring Operation: 133*155=20615, Resulting Numbers: [20615] 20615,97 unequal: No Solution Exploring Operation: 133+155=288, Resulting Numbers: [288] 288,97 unequal: No Solution Exploring Operation: 155-133=22, Resulting Numbers: [22] 22,97 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: 97:[57, 90, 55], Operations: ['98-43=55'] Exploring Operation: 57+90=147, Resulting Numbers: [55, 147] Generated Node #0,3,0: 97:[55, 147] Operation: 57+90=147 Exploring Operation: 90+55=145, Resulting Numbers: [57, 145] Generated Node #0,3,1: 97:[57, 145] Operation: 90+55=145 Exploring Operation: 57-55=2, Resulting Numbers: [90, 2] Generated Node #0,3,2: 97:[90, 2] Operation: 57-55=2 Exploring Operation: 57+55=112, Resulting Numbers: [90, 112] Generated Node #0,3,3: 97:[90, 112] Operation: 57+55=112 Moving to Node #0,3,3 Current State: 97:[90, 112], Operations: ['98-43=55', '57+55=112'] Exploring Operation: 112-90=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 90*112=10080, Resulting Numbers: [10080] 10080,97 unequal: No Solution Exploring Operation: 90+112=202, Resulting Numbers: [202] 202,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[57, 145], Operations: ['98-43=55', '90+55=145'] Exploring Operation: 57*145=8265, Resulting Numbers: [8265] 8265,97 unequal: No Solution Exploring Operation: 57+145=202, Resulting Numbers: [202] 202,97 unequal: No Solution Exploring Operation: 145-57=88, Resulting Numbers: [88] 88,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[55, 147], Operations: ['98-43=55', '57+90=147'] Exploring Operation: 55+147=202, Resulting Numbers: [202] 202,97 unequal: No Solution Exploring Operation: 147-55=92, Resulting Numbers: [92] 92,97 unequal: No Solution Exploring Operation: 55*147=8085, Resulting Numbers: [8085] 8085,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[90, 2], Operations: ['98-43=55', '57-55=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,97 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,97 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[90, 98, 14], Operations: ['57-43=14'] Exploring Operation: 90-14=76, Resulting Numbers: [98, 76] Generated Node #0,0,0: 97:[98, 76] Operation: 90-14=76 Exploring Operation: 90+14=104, Resulting Numbers: [98, 104] Generated Node #0,0,1: 97:[98, 104] Operation: 90+14=104 Exploring Operation: 98+14=112, Resulting Numbers: [90, 112] Generated Node #0,0,2: 97:[90, 112] Operation: 98+14=112 Exploring Operation: 98-14=84, Resulting Numbers: [90, 84] Generated Node #0,0,3: 97:[90, 84] Operation: 98-14=84 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[98, 104], Operations: ['57-43=14', '90+14=104'] Exploring Operation: 104-98=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 98+104=202, Resulting Numbers: [202] 202,97 unequal: No Solution Exploring Operation: 98*104=10192, Resulting Numbers: [10192] 10192,97 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: 97:[90, 84], Operations: ['57-43=14', '98-14=84'] Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,97 unequal: No Solution Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,97 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: 97:[98, 76], Operations: ['57-43=14', '90-14=76'] Exploring Operation: 98+76=174, Resulting Numbers: [174] 174,97 unequal: No Solution Exploring Operation: 98*76=7448, Resulting Numbers: [7448] 7448,97 unequal: No Solution Exploring Operation: 98-76=22, Resulting Numbers: [22] 22,97 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: 97:[90, 112], Operations: ['57-43=14', '98+14=112'] Exploring Operation: 90+112=202, Resulting Numbers: [202] 202,97 unequal: No Solution Exploring Operation: 90*112=10080, Resulting Numbers: [10080] 10080,97 unequal: No Solution Exploring Operation: 112-90=22, Resulting Numbers: [22] 22,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 65, 84, 54, 44 ]
51
[ "65+84=149", "54+44=98", "149-98=51" ]
Current State: 51:[65, 84, 54, 44], Operations: [] Exploring Operation: 65+84=149, Resulting Numbers: [54, 44, 149] Generated Node #2: [54, 44, 149] from Operation: 65+84=149 Current State: 51:[54, 44, 149], Operations: ['65+84=149'] Exploring Operation: 54+44=98, Resulting Numbers: [149, 98] Generated Node #3: [149, 98] from Operation: 54+44=98 Current State: 51:[149, 98], Operations: ['65+84=149', '54+44=98'] Exploring Operation: 149-98=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[65, 84, 54, 44], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [65, 44, 30] Generated Node #0,0: 51:[65, 44, 30] Operation: 84-54=30 Exploring Operation: 65-44=21, Resulting Numbers: [84, 54, 21] Generated Node #0,1: 51:[84, 54, 21] Operation: 65-44=21 Exploring Operation: 84-65=19, Resulting Numbers: [54, 44, 19] Generated Node #0,2: 51:[54, 44, 19] Operation: 84-65=19 Exploring Operation: 84-44=40, Resulting Numbers: [65, 54, 40] Generated Node #0,3: 51:[65, 54, 40] Operation: 84-44=40 Exploring Operation: 65-54=11, Resulting Numbers: [84, 44, 11] Generated Node #0,4: 51:[84, 44, 11] Operation: 65-54=11 Moving to Node #0,2 Current State: 51:[54, 44, 19], Operations: ['84-65=19'] Exploring Operation: 54-19=35, Resulting Numbers: [44, 35] Generated Node #0,2,0: 51:[44, 35] Operation: 54-19=35 Exploring Operation: 44+19=63, Resulting Numbers: [54, 63] Generated Node #0,2,1: 51:[54, 63] Operation: 44+19=63 Exploring Operation: 54+19=73, Resulting Numbers: [44, 73] Generated Node #0,2,2: 51:[44, 73] Operation: 54+19=73 Exploring Operation: 44-19=25, Resulting Numbers: [54, 25] Generated Node #0,2,3: 51:[54, 25] Operation: 44-19=25 Exploring Operation: 54-44=10, Resulting Numbers: [19, 10] Generated Node #0,2,4: 51:[19, 10] Operation: 54-44=10 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 51:[19, 10], Operations: ['84-65=19', '54-44=10'] Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,51 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 #0,2,3 Current State: 51:[54, 25], Operations: ['84-65=19', '44-19=25'] Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 54*25=1350, Resulting Numbers: [1350] 1350,51 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 #0,2,1 Current State: 51:[54, 63], Operations: ['84-65=19', '44+19=63'] Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,51 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,51 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 #0,2,0 Current State: 51:[44, 35], Operations: ['84-65=19', '54-19=35'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 44*35=1540, Resulting Numbers: [1540] 1540,51 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 #0,2,2 Current State: 51:[44, 73], Operations: ['84-65=19', '54+19=73'] Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 44+73=117, Resulting Numbers: [117] 117,51 unequal: No Solution Exploring Operation: 44*73=3212, Resulting Numbers: [3212] 3212,51 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: 51:[65, 54, 40], Operations: ['84-44=40'] Exploring Operation: 65-54=11, Resulting Numbers: [40, 11] Generated Node #0,3,0: 51:[40, 11] Operation: 65-54=11 Exploring Operation: 65-40=25, Resulting Numbers: [54, 25] Generated Node #0,3,1: 51:[54, 25] Operation: 65-40=25 Exploring Operation: 54-40=14, Resulting Numbers: [65, 14] Generated Node #0,3,2: 51:[65, 14] Operation: 54-40=14 Exploring Operation: 54+40=94, Resulting Numbers: [65, 94] Generated Node #0,3,3: 51:[65, 94] Operation: 54+40=94 Exploring Operation: 65+40=105, Resulting Numbers: [54, 105] Generated Node #0,3,4: 51:[54, 105] Operation: 65+40=105 Moving to Node #0,0 Current State: 51:[65, 44, 30], Operations: ['84-54=30'] Exploring Operation: 65-44=21, Resulting Numbers: [30, 21] Generated Node #0,0,0: 51:[30, 21] Operation: 65-44=21 Exploring Operation: 65+30=95, Resulting Numbers: [44, 95] Generated Node #0,0,1: 51:[44, 95] Operation: 65+30=95 Exploring Operation: 44-30=14, Resulting Numbers: [65, 14] Generated Node #0,0,2: 51:[65, 14] Operation: 44-30=14 Exploring Operation: 44+30=74, Resulting Numbers: [65, 74] Generated Node #0,0,3: 51:[65, 74] Operation: 44+30=74 Exploring Operation: 65-30=35, Resulting Numbers: [44, 35] Generated Node #0,0,4: 51:[44, 35] Operation: 65-30=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[30, 21], Operations: ['84-54=30', '65-44=21'] Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[65, 84, 54, 44], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [65, 44, 30] Generated Node #0,0: 51:[65, 44, 30] Operation: 84-54=30 Moving to Node #0,0 Current State: 51:[65, 44, 30], Operations: ['84-54=30'] Exploring Operation: 65-44=21, Resulting Numbers: [30, 21] Generated Node #0,0,0: 51:[30, 21] Operation: 65-44=21 Moving to Node #0,0,0 Current State: 51:[30, 21], Operations: ['84-54=30', '65-44=21'] Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 9, 40, 45, 30 ]
51
[ "40*45=1800", "1800/30=60", "60-9=51" ]
Current State: 51:[9, 40, 45, 30], Operations: [] Exploring Operation: 40*45=1800, Resulting Numbers: [9, 30, 1800] Generated Node #2: [9, 30, 1800] from Operation: 40*45=1800 Current State: 51:[9, 30, 1800], Operations: ['40*45=1800'] Exploring Operation: 1800/30=60, Resulting Numbers: [9, 60] Generated Node #3: [9, 60] from Operation: 1800/30=60 Current State: 51:[9, 60], Operations: ['40*45=1800', '1800/30=60'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 40, 45, 30], Operations: [] Exploring Operation: 30-9=21, Resulting Numbers: [40, 45, 21] Generated Node #0,0: 51:[40, 45, 21] Operation: 30-9=21 Exploring Operation: 9+40=49, Resulting Numbers: [45, 30, 49] Generated Node #0,1: 51:[45, 30, 49] Operation: 9+40=49 Exploring Operation: 45-30=15, Resulting Numbers: [9, 40, 15] Generated Node #0,2: 51:[9, 40, 15] Operation: 45-30=15 Exploring Operation: 40-30=10, Resulting Numbers: [9, 45, 10] Generated Node #0,3: 51:[9, 45, 10] Operation: 40-30=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[9, 40, 15], Operations: ['45-30=15'] Exploring Operation: 9+40=49, Resulting Numbers: [15, 49] Generated Node #0,2,0: 51:[15, 49] Operation: 9+40=49 Exploring Operation: 15-9=6, Resulting Numbers: [40, 6] Generated Node #0,2,1: 51:[40, 6] Operation: 15-9=6 Exploring Operation: 40-15=25, Resulting Numbers: [9, 25] Generated Node #0,2,2: 51:[9, 25] Operation: 40-15=25 Exploring Operation: 40+15=55, Resulting Numbers: [9, 55] Generated Node #0,2,3: 51:[9, 55] Operation: 40+15=55 Moving to Node #0,2,0 Current State: 51:[15, 49], Operations: ['45-30=15', '9+40=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,51 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[9, 55], Operations: ['45-30=15', '40+15=55'] Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,51 unequal: No Solution Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[9, 25], Operations: ['45-30=15', '40-15=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,51 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[40, 6], Operations: ['45-30=15', '15-9=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,51 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,51 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:[9, 45, 10], Operations: ['40-30=10'] Exploring Operation: 9+10=19, Resulting Numbers: [45, 19] Generated Node #0,3,0: 51:[45, 19] Operation: 9+10=19 Exploring Operation: 9+45=54, Resulting Numbers: [10, 54] Generated Node #0,3,1: 51:[10, 54] Operation: 9+45=54 Exploring Operation: 10-9=1, Resulting Numbers: [45, 1] Generated Node #0,3,2: 51:[45, 1] Operation: 10-9=1 Exploring Operation: 45/9=5, Resulting Numbers: [10, 5] Generated Node #0,3,3: 51:[10, 5] Operation: 45/9=5 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[45, 19], Operations: ['40-30=10', '9+10=19'] Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,51 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 51:[45, 1], Operations: ['40-30=10', '10-9=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,51 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 51:[10, 5], Operations: ['40-30=10', '45/9=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 51:[10, 54], Operations: ['40-30=10', '9+45=54'] Exploring Operation: 10+54=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 10*54=540, Resulting Numbers: [540] 540,51 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: 51:[40, 45, 21], Operations: ['30-9=21'] Exploring Operation: 40-21=19, Resulting Numbers: [45, 19] Generated Node #0,0,0: 51:[45, 19] Operation: 40-21=19 Exploring Operation: 40+21=61, Resulting Numbers: [45, 61] Generated Node #0,0,1: 51:[45, 61] Operation: 40+21=61 Exploring Operation: 45-40=5, Resulting Numbers: [21, 5] Generated Node #0,0,2: 51:[21, 5] Operation: 45-40=5 Exploring Operation: 45-21=24, Resulting Numbers: [40, 24] Generated Node #0,0,3: 51:[40, 24] Operation: 45-21=24 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[21, 5], Operations: ['30-9=21', '45-40=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,51 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: 51:[45, 19], Operations: ['30-9=21', '40-21=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,51 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: 51:[45, 61], Operations: ['30-9=21', '40+21=61'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,51 unequal: No Solution Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,51 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: 51:[40, 24], Operations: ['30-9=21', '45-21=24'] Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,51 unequal: No Solution Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,51 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: 51:[45, 30, 49], Operations: ['9+40=49'] Exploring Operation: 45-30=15, Resulting Numbers: [49, 15] Generated Node #0,1,0: 51:[49, 15] Operation: 45-30=15 Exploring Operation: 49-45=4, Resulting Numbers: [30, 4] Generated Node #0,1,1: 51:[30, 4] Operation: 49-45=4 Exploring Operation: 45+30=75, Resulting Numbers: [49, 75] Generated Node #0,1,2: 51:[49, 75] Operation: 45+30=75 Exploring Operation: 49-30=19, Resulting Numbers: [45, 19] Generated Node #0,1,3: 51:[45, 19] Operation: 49-30=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[49, 15], Operations: ['9+40=49', '45-30=15'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,51 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,51 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: 51:[45, 19], Operations: ['9+40=49', '49-30=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,51 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,51 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: 51:[30, 4], Operations: ['9+40=49', '49-45=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,51 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,51 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: 51:[49, 75], Operations: ['9+40=49', '45+30=75'] Exploring Operation: 49*75=3675, Resulting Numbers: [3675] 3675,51 unequal: No Solution Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 49+75=124, Resulting Numbers: [124] 124,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 71, 1, 80, 81 ]
10
[ "80-71=9", "81/9=9", "1+9=10" ]
Current State: 10:[71, 1, 80, 81], Operations: [] Exploring Operation: 80-71=9, Resulting Numbers: [1, 81, 9] Generated Node #2: [1, 81, 9] from Operation: 80-71=9 Current State: 10:[1, 81, 9], Operations: ['80-71=9'] Exploring Operation: 81/9=9, Resulting Numbers: [1, 9] Generated Node #3: [1, 9] from Operation: 81/9=9 Current State: 10:[1, 9], Operations: ['80-71=9', '81/9=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[71, 1, 80, 81], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [1, 80, 10] Generated Node #0,0: 10:[1, 80, 10] Operation: 81-71=10 Exploring Operation: 81-80=1, Resulting Numbers: [71, 1, 1] Generated Node #0,1: 10:[71, 1, 1] Operation: 81-80=1 Exploring Operation: 80-71=9, Resulting Numbers: [1, 81, 9] Generated Node #0,2: 10:[1, 81, 9] Operation: 80-71=9 Exploring Operation: 71-1=70, Resulting Numbers: [80, 81, 70] Generated Node #0,3: 10:[80, 81, 70] Operation: 71-1=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[71, 1, 1], Operations: ['81-80=1'] Exploring Operation: 71-1=70, Resulting Numbers: [1, 70] Generated Node #0,1,0: 10:[1, 70] Operation: 71-1=70 Exploring Operation: 71-1=70, Resulting Numbers: [1, 70] Generated Node #0,1,1: 10:[1, 70] Operation: 71-1=70 Exploring Operation: 1+1=2, Resulting Numbers: [71, 2] Generated Node #0,1,2: 10:[71, 2] Operation: 1+1=2 Exploring Operation: 71*1=71, Resulting Numbers: [1, 71] Generated Node #0,1,3: 10:[1, 71] Operation: 71*1=71 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[1, 70], Operations: ['81-80=1', '71-1=70'] Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,10 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: 10:[1, 70], Operations: ['81-80=1', '71-1=70'] Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,10 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: 10:[71, 2], Operations: ['81-80=1', '1+1=2'] Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,10 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,10 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: 10:[1, 71], Operations: ['81-80=1', '71*1=71'] Exploring Operation: 1*71=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,10 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: 10:[1, 80, 10], Operations: ['81-71=10'] Exploring Operation: 80-1=79, Resulting Numbers: [10, 79] Generated Node #0,0,0: 10:[10, 79] Operation: 80-1=79 Exploring Operation: 80-10=70, Resulting Numbers: [1, 70] Generated Node #0,0,1: 10:[1, 70] Operation: 80-10=70 Exploring Operation: 1*80=80, Resulting Numbers: [10, 80] Generated Node #0,0,2: 10:[10, 80] Operation: 1*80=80 Exploring Operation: 80/10=8, Resulting Numbers: [1, 8] Generated Node #0,0,3: 10:[1, 8] Operation: 80/10=8 Moving to Node #0,0,3 Current State: 10:[1, 8], Operations: ['81-71=10', '80/10=8'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[1, 70], Operations: ['81-71=10', '80-10=70'] Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[10, 79], Operations: ['81-71=10', '80-1=79'] Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,10 unequal: No Solution Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[10, 80], Operations: ['81-71=10', '1*80=80'] Exploring Operation: 10+80=90, Resulting Numbers: [90] 90,10 unequal: No Solution Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 10*80=800, Resulting Numbers: [800] 800,10 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 Current State: 10:[1, 81, 9], Operations: ['80-71=9'] Exploring Operation: 81-9=72, Resulting Numbers: [1, 72] Generated Node #0,2,0: 10:[1, 72] Operation: 81-9=72 Exploring Operation: 1+9=10, Resulting Numbers: [81, 10] Generated Node #0,2,1: 10:[81, 10] Operation: 1+9=10 Exploring Operation: 81/9=9, Resulting Numbers: [1, 9] Generated Node #0,2,2: 10:[1, 9] Operation: 81/9=9 Exploring Operation: 81-1=80, Resulting Numbers: [9, 80] Generated Node #0,2,3: 10:[9, 80] Operation: 81-1=80 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[1, 9], Operations: ['80-71=9', '81/9=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[71, 1, 80, 81], Operations: [] Exploring Operation: 80-71=9, Resulting Numbers: [1, 81, 9] Generated Node #0,2: 10:[1, 81, 9] Operation: 80-71=9 Moving to Node #0,2 Current State: 10:[1, 81, 9], Operations: ['80-71=9'] Exploring Operation: 81/9=9, Resulting Numbers: [1, 9] Generated Node #0,2,2: 10:[1, 9] Operation: 81/9=9 Moving to Node #0,2,2 Current State: 10:[1, 9], Operations: ['80-71=9', '81/9=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.954861
hs_4
sum_heuristic
[ 84, 69, 92, 41 ]
95
[ "69-41=28", "84/28=3", "92+3=95" ]
Current State: 95:[84, 69, 92, 41], Operations: [] Exploring Operation: 69-41=28, Resulting Numbers: [84, 92, 28] Generated Node #2: [84, 92, 28] from Operation: 69-41=28 Current State: 95:[84, 92, 28], Operations: ['69-41=28'] Exploring Operation: 84/28=3, Resulting Numbers: [92, 3] Generated Node #3: [92, 3] from Operation: 84/28=3 Current State: 95:[92, 3], Operations: ['69-41=28', '84/28=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[84, 69, 92, 41], Operations: [] Exploring Operation: 92-69=23, Resulting Numbers: [84, 41, 23] Generated Node #0,0: 95:[84, 41, 23] Operation: 92-69=23 Exploring Operation: 69+41=110, Resulting Numbers: [84, 92, 110] Generated Node #0,1: 95:[84, 92, 110] Operation: 69+41=110 Exploring Operation: 92-84=8, Resulting Numbers: [69, 41, 8] Generated Node #0,2: 95:[69, 41, 8] Operation: 92-84=8 Exploring Operation: 69-41=28, Resulting Numbers: [84, 92, 28] Generated Node #0,3: 95:[84, 92, 28] Operation: 69-41=28 Exploring Operation: 84-69=15, Resulting Numbers: [92, 41, 15] Generated Node #0,4: 95:[92, 41, 15] Operation: 84-69=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[84, 92, 28], Operations: ['69-41=28'] Exploring Operation: 84+28=112, Resulting Numbers: [92, 112] Generated Node #0,3,0: 95:[92, 112] Operation: 84+28=112 Exploring Operation: 84/28=3, Resulting Numbers: [92, 3] Generated Node #0,3,1: 95:[92, 3] Operation: 84/28=3 Exploring Operation: 84-28=56, Resulting Numbers: [92, 56] Generated Node #0,3,2: 95:[92, 56] Operation: 84-28=56 Exploring Operation: 92+28=120, Resulting Numbers: [84, 120] Generated Node #0,3,3: 95:[84, 120] Operation: 92+28=120 Exploring Operation: 92-84=8, Resulting Numbers: [28, 8] Generated Node #0,3,4: 95:[28, 8] Operation: 92-84=8 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 95:[92, 3], Operations: ['69-41=28', '84/28=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,95 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,95 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[84, 69, 92, 41], Operations: [] Exploring Operation: 69-41=28, Resulting Numbers: [84, 92, 28] Generated Node #0,3: 95:[84, 92, 28] Operation: 69-41=28 Moving to Node #0,3 Current State: 95:[84, 92, 28], Operations: ['69-41=28'] Exploring Operation: 84/28=3, Resulting Numbers: [92, 3] Generated Node #0,3,1: 95:[92, 3] Operation: 84/28=3 Moving to Node #0,3,1 Current State: 95:[92, 3], Operations: ['69-41=28', '84/28=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 58, 5, 43, 24 ]
41
[ "5+24=29", "58/29=2", "43-2=41" ]
Current State: 41:[58, 5, 43, 24], Operations: [] Exploring Operation: 5+24=29, Resulting Numbers: [58, 43, 29] Generated Node #2: [58, 43, 29] from Operation: 5+24=29 Current State: 41:[58, 43, 29], Operations: ['5+24=29'] Exploring Operation: 58/29=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 58/29=2 Current State: 41:[43, 2], Operations: ['5+24=29', '58/29=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[58, 5, 43, 24], Operations: [] Exploring Operation: 58-5=53, Resulting Numbers: [43, 24, 53] Generated Node #0,0: 41:[43, 24, 53] Operation: 58-5=53 Exploring Operation: 5+24=29, Resulting Numbers: [58, 43, 29] Generated Node #0,1: 41:[58, 43, 29] Operation: 5+24=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[43, 24, 53], Operations: ['58-5=53'] Exploring Operation: 43-24=19, Resulting Numbers: [53, 19] Generated Node #0,0,0: 41:[53, 19] Operation: 43-24=19 Exploring Operation: 53-24=29, Resulting Numbers: [43, 29] Generated Node #0,0,1: 41:[43, 29] Operation: 53-24=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[43, 29], Operations: ['58-5=53', '53-24=29'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[53, 19], Operations: ['58-5=53', '43-24=19'] Exploring Operation: 53+19=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[58, 43, 29], Operations: ['5+24=29'] Exploring Operation: 58-29=29, Resulting Numbers: [43, 29] Generated Node #0,1,0: 41:[43, 29] Operation: 58-29=29 Exploring Operation: 58-43=15, Resulting Numbers: [29, 15] Generated Node #0,1,1: 41:[29, 15] Operation: 58-43=15 Moving to Node #0,1,0 Current State: 41:[43, 29], Operations: ['5+24=29', '58-29=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[29, 15], Operations: ['5+24=29', '58-43=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,41 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
[ 71, 27, 46, 55 ]
57
[ "71-27=44", "46+55=101", "101-44=57" ]
Current State: 57:[71, 27, 46, 55], Operations: [] Exploring Operation: 71-27=44, Resulting Numbers: [46, 55, 44] Generated Node #2: [46, 55, 44] from Operation: 71-27=44 Current State: 57:[46, 55, 44], Operations: ['71-27=44'] Exploring Operation: 46+55=101, Resulting Numbers: [44, 101] Generated Node #3: [44, 101] from Operation: 46+55=101 Current State: 57:[44, 101], Operations: ['71-27=44', '46+55=101'] Exploring Operation: 101-44=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[71, 27, 46, 55], Operations: [] Exploring Operation: 71-27=44, Resulting Numbers: [46, 55, 44] Generated Node #0,0: 57:[46, 55, 44] Operation: 71-27=44 Exploring Operation: 71-55=16, Resulting Numbers: [27, 46, 16] Generated Node #0,1: 57:[27, 46, 16] Operation: 71-55=16 Exploring Operation: 71-46=25, Resulting Numbers: [27, 55, 25] Generated Node #0,2: 57:[27, 55, 25] Operation: 71-46=25 Exploring Operation: 46-27=19, Resulting Numbers: [71, 55, 19] Generated Node #0,3: 57:[71, 55, 19] Operation: 46-27=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[27, 55, 25], Operations: ['71-46=25'] Exploring Operation: 55-25=30, Resulting Numbers: [27, 30] Generated Node #0,2,0: 57:[27, 30] Operation: 55-25=30 Exploring Operation: 27+25=52, Resulting Numbers: [55, 52] Generated Node #0,2,1: 57:[55, 52] Operation: 27+25=52 Exploring Operation: 55-27=28, Resulting Numbers: [25, 28] Generated Node #0,2,2: 57:[25, 28] Operation: 55-27=28 Exploring Operation: 27-25=2, Resulting Numbers: [55, 2] Generated Node #0,2,3: 57:[55, 2] Operation: 27-25=2 Moving to Node #0,2,3 Current State: 57:[55, 2], Operations: ['71-46=25', '27-25=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,57 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[71, 27, 46, 55], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [27, 55, 25] Generated Node #0,2: 57:[27, 55, 25] Operation: 71-46=25 Moving to Node #0,2 Current State: 57:[27, 55, 25], Operations: ['71-46=25'] Exploring Operation: 27-25=2, Resulting Numbers: [55, 2] Generated Node #0,2,3: 57:[55, 2] Operation: 27-25=2 Moving to Node #0,2,3 Current State: 57:[55, 2], Operations: ['71-46=25', '27-25=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 39, 10, 97, 18 ]
66
[ "39+10=49", "97+18=115", "115-49=66" ]
Current State: 66:[39, 10, 97, 18], Operations: [] Exploring Operation: 39+10=49, Resulting Numbers: [97, 18, 49] Generated Node #2: [97, 18, 49] from Operation: 39+10=49 Current State: 66:[97, 18, 49], Operations: ['39+10=49'] Exploring Operation: 97+18=115, Resulting Numbers: [49, 115] Generated Node #3: [49, 115] from Operation: 97+18=115 Current State: 66:[49, 115], Operations: ['39+10=49', '97+18=115'] Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[39, 10, 97, 18], Operations: [] Exploring Operation: 97-39=58, Resulting Numbers: [10, 18, 58] Generated Node #0,0: 66:[10, 18, 58] Operation: 97-39=58 Exploring Operation: 97-10=87, Resulting Numbers: [39, 18, 87] Generated Node #0,1: 66:[39, 18, 87] Operation: 97-10=87 Exploring Operation: 39-18=21, Resulting Numbers: [10, 97, 21] Generated Node #0,2: 66:[10, 97, 21] Operation: 39-18=21 Exploring Operation: 97-18=79, Resulting Numbers: [39, 10, 79] Generated Node #0,3: 66:[39, 10, 79] Operation: 97-18=79 Moving to Node #0,0 Current State: 66:[10, 18, 58], Operations: ['97-39=58'] Exploring Operation: 18-10=8, Resulting Numbers: [58, 8] Generated Node #0,0,0: 66:[58, 8] Operation: 18-10=8 Exploring Operation: 10+58=68, Resulting Numbers: [18, 68] Generated Node #0,0,1: 66:[18, 68] Operation: 10+58=68 Exploring Operation: 58-18=40, Resulting Numbers: [10, 40] Generated Node #0,0,2: 66:[10, 40] Operation: 58-18=40 Exploring Operation: 18+58=76, Resulting Numbers: [10, 76] Generated Node #0,0,3: 66:[10, 76] Operation: 18+58=76 Moving to Node #0,3 Current State: 66:[39, 10, 79], Operations: ['97-18=79'] Exploring Operation: 79-10=69, Resulting Numbers: [39, 69] Generated Node #0,3,0: 66:[39, 69] Operation: 79-10=69 Exploring Operation: 39+10=49, Resulting Numbers: [79, 49] Generated Node #0,3,1: 66:[79, 49] Operation: 39+10=49 Exploring Operation: 39-10=29, Resulting Numbers: [79, 29] Generated Node #0,3,2: 66:[79, 29] Operation: 39-10=29 Exploring Operation: 79-39=40, Resulting Numbers: [10, 40] Generated Node #0,3,3: 66:[10, 40] Operation: 79-39=40 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 66:[10, 40], Operations: ['97-18=79', '79-39=40'] Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,66 unequal: No Solution No 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: 66:[39, 69], Operations: ['97-18=79', '79-10=69'] Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,66 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,66 unequal: No Solution No 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: 66:[79, 29], Operations: ['97-18=79', '39-10=29'] Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,66 unequal: No Solution Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,66 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,66 unequal: No Solution No 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: 66:[79, 49], Operations: ['97-18=79', '39+10=49'] Exploring Operation: 79+49=128, Resulting Numbers: [128] 128,66 unequal: No Solution Exploring Operation: 79-49=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 79*49=3871, Resulting Numbers: [3871] 3871,66 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: 66:[39, 18, 87], Operations: ['97-10=87'] Exploring Operation: 39-18=21, Resulting Numbers: [87, 21] Generated Node #0,1,0: 66:[87, 21] Operation: 39-18=21 Exploring Operation: 87-18=69, Resulting Numbers: [39, 69] Generated Node #0,1,1: 66:[39, 69] Operation: 87-18=69 Exploring Operation: 39+18=57, Resulting Numbers: [87, 57] Generated Node #0,1,2: 66:[87, 57] Operation: 39+18=57 Exploring Operation: 87-39=48, Resulting Numbers: [18, 48] Generated Node #0,1,3: 66:[18, 48] Operation: 87-39=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[39, 69], Operations: ['97-10=87', '87-18=69'] Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,66 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,66 unequal: No Solution No 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: 66:[18, 48], Operations: ['97-10=87', '87-39=48'] Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[39, 10, 97, 18], Operations: [] Exploring Operation: 97-10=87, Resulting Numbers: [39, 18, 87] Generated Node #0,1: 66:[39, 18, 87] Operation: 97-10=87 Moving to Node #0,1 Current State: 66:[39, 18, 87], Operations: ['97-10=87'] Exploring Operation: 87-39=48, Resulting Numbers: [18, 48] Generated Node #0,1,3: 66:[18, 48] Operation: 87-39=48 Moving to Node #0,1,3 Current State: 66:[18, 48], Operations: ['97-10=87', '87-39=48'] Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 82, 95, 19, 62 ]
96
[ "82+95=177", "19+62=81", "177-81=96" ]
Current State: 96:[82, 95, 19, 62], Operations: [] Exploring Operation: 82+95=177, Resulting Numbers: [19, 62, 177] Generated Node #2: [19, 62, 177] from Operation: 82+95=177 Current State: 96:[19, 62, 177], Operations: ['82+95=177'] Exploring Operation: 19+62=81, Resulting Numbers: [177, 81] Generated Node #3: [177, 81] from Operation: 19+62=81 Current State: 96:[177, 81], Operations: ['82+95=177', '19+62=81'] Exploring Operation: 177-81=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[82, 95, 19, 62], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [82, 19, 33] Generated Node #0,0: 96:[82, 19, 33] Operation: 95-62=33 Exploring Operation: 62-19=43, Resulting Numbers: [82, 95, 43] Generated Node #0,1: 96:[82, 95, 43] Operation: 62-19=43 Exploring Operation: 95-82=13, Resulting Numbers: [19, 62, 13] Generated Node #0,2: 96:[19, 62, 13] Operation: 95-82=13 Exploring Operation: 82+19=101, Resulting Numbers: [95, 62, 101] Generated Node #0,3: 96:[95, 62, 101] Operation: 82+19=101 Exploring Operation: 82-62=20, Resulting Numbers: [95, 19, 20] Generated Node #0,4: 96:[95, 19, 20] Operation: 82-62=20 Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[95, 19, 20], Operations: ['82-62=20'] Exploring Operation: 20-19=1, Resulting Numbers: [95, 1] Generated Node #0,4,0: 96:[95, 1] Operation: 20-19=1 Exploring Operation: 19+20=39, Resulting Numbers: [95, 39] Generated Node #0,4,1: 96:[95, 39] Operation: 19+20=39 Exploring Operation: 95+20=115, Resulting Numbers: [19, 115] Generated Node #0,4,2: 96:[19, 115] Operation: 95+20=115 Exploring Operation: 95+19=114, Resulting Numbers: [20, 114] Generated Node #0,4,3: 96:[20, 114] Operation: 95+19=114 Exploring Operation: 95/19=5, Resulting Numbers: [20, 5] Generated Node #0,4,4: 96:[20, 5] Operation: 95/19=5 Moving to Node #0,4,0 Current State: 96:[95, 1], Operations: ['82-62=20', '20-19=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[82, 95, 19, 62], Operations: [] Exploring Operation: 82-62=20, Resulting Numbers: [95, 19, 20] Generated Node #0,4: 96:[95, 19, 20] Operation: 82-62=20 Moving to Node #0,4 Current State: 96:[95, 19, 20], Operations: ['82-62=20'] Exploring Operation: 20-19=1, Resulting Numbers: [95, 1] Generated Node #0,4,0: 96:[95, 1] Operation: 20-19=1 Moving to Node #0,4,0 Current State: 96:[95, 1], Operations: ['82-62=20', '20-19=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 80, 66, 39, 41 ]
12
[ "80-66=14", "41-39=2", "14-2=12" ]
Current State: 12:[80, 66, 39, 41], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [39, 41, 14] Generated Node #2: [39, 41, 14] from Operation: 80-66=14 Current State: 12:[39, 41, 14], Operations: ['80-66=14'] Exploring Operation: 41-39=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 41-39=2 Current State: 12:[14, 2], Operations: ['80-66=14', '41-39=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[80, 66, 39, 41], Operations: [] Exploring Operation: 66-41=25, Resulting Numbers: [80, 39, 25] Generated Node #0,0: 12:[80, 39, 25] Operation: 66-41=25 Exploring Operation: 80-41=39, Resulting Numbers: [66, 39, 39] Generated Node #0,1: 12:[66, 39, 39] Operation: 80-41=39 Exploring Operation: 80-39=41, Resulting Numbers: [66, 41, 41] Generated Node #0,2: 12:[66, 41, 41] Operation: 80-39=41 Exploring Operation: 80-66=14, Resulting Numbers: [39, 41, 14] Generated Node #0,3: 12:[39, 41, 14] Operation: 80-66=14 Moving to Node #0,3 Current State: 12:[39, 41, 14], Operations: ['80-66=14'] Exploring Operation: 41-14=27, Resulting Numbers: [39, 27] Generated Node #0,3,0: 12:[39, 27] Operation: 41-14=27 Exploring Operation: 39+41=80, Resulting Numbers: [14, 80] Generated Node #0,3,1: 12:[14, 80] Operation: 39+41=80 Exploring Operation: 41-39=2, Resulting Numbers: [14, 2] Generated Node #0,3,2: 12:[14, 2] Operation: 41-39=2 Exploring Operation: 39-14=25, Resulting Numbers: [41, 25] Generated Node #0,3,3: 12:[41, 25] Operation: 39-14=25 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[14, 2], Operations: ['80-66=14', '41-39=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[80, 66, 39, 41], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [39, 41, 14] Generated Node #0,3: 12:[39, 41, 14] Operation: 80-66=14 Moving to Node #0,3 Current State: 12:[39, 41, 14], Operations: ['80-66=14'] Exploring Operation: 41-39=2, Resulting Numbers: [14, 2] Generated Node #0,3,2: 12:[14, 2] Operation: 41-39=2 Moving to Node #0,3,2 Current State: 12:[14, 2], Operations: ['80-66=14', '41-39=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 38, 76, 71, 91 ]
99
[ "76-71=5", "38*5=190", "190-91=99" ]
Current State: 99:[38, 76, 71, 91], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [38, 91, 5] Generated Node #2: [38, 91, 5] from Operation: 76-71=5 Current State: 99:[38, 91, 5], Operations: ['76-71=5'] Exploring Operation: 38*5=190, Resulting Numbers: [91, 190] Generated Node #3: [91, 190] from Operation: 38*5=190 Current State: 99:[91, 190], Operations: ['76-71=5', '38*5=190'] Exploring Operation: 190-91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[38, 76, 71, 91], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [38, 91, 5] Generated Node #0,0: 99:[38, 91, 5] Operation: 76-71=5 Exploring Operation: 76/38=2, Resulting Numbers: [71, 91, 2] Generated Node #0,1: 99:[71, 91, 2] Operation: 76/38=2 Exploring Operation: 71-38=33, Resulting Numbers: [76, 91, 33] Generated Node #0,2: 99:[76, 91, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[38, 91, 5], Operations: ['76-71=5'] Exploring Operation: 91+5=96, Resulting Numbers: [38, 96] Generated Node #0,0,0: 99:[38, 96] Operation: 91+5=96 Exploring Operation: 38+5=43, Resulting Numbers: [91, 43] Generated Node #0,0,1: 99:[91, 43] Operation: 38+5=43 Exploring Operation: 38-5=33, Resulting Numbers: [91, 33] Generated Node #0,0,2: 99:[91, 33] Operation: 38-5=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[38, 96], Operations: ['76-71=5', '91+5=96'] Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,99 unequal: No Solution Exploring Operation: 38+96=134, Resulting Numbers: [134] 134,99 unequal: No Solution Exploring Operation: 38*96=3648, Resulting Numbers: [3648] 3648,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[91, 33], Operations: ['76-71=5', '38-5=33'] Exploring Operation: 91*33=3003, Resulting Numbers: [3003] 3003,99 unequal: No Solution Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,99 unequal: No Solution Exploring Operation: 91+33=124, Resulting Numbers: [124] 124,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[91, 43], Operations: ['76-71=5', '38+5=43'] Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,99 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[76, 91, 33], Operations: ['71-38=33'] Exploring Operation: 76-33=43, Resulting Numbers: [91, 43] Generated Node #0,2,0: 99:[91, 43] Operation: 76-33=43 Exploring Operation: 76+33=109, Resulting Numbers: [91, 109] Generated Node #0,2,1: 99:[91, 109] Operation: 76+33=109 Exploring Operation: 91-76=15, Resulting Numbers: [33, 15] Generated Node #0,2,2: 99:[33, 15] Operation: 91-76=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[33, 15], Operations: ['71-38=33', '91-76=15'] Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,99 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[91, 43], Operations: ['71-38=33', '76-33=43'] Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,99 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[91, 109], Operations: ['71-38=33', '76+33=109'] Exploring Operation: 91+109=200, Resulting Numbers: [200] 200,99 unequal: No Solution Exploring Operation: 91*109=9919, Resulting Numbers: [9919] 9919,99 unequal: No Solution Exploring Operation: 109-91=18, Resulting Numbers: [18] 18,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[71, 91, 2], Operations: ['76/38=2'] Exploring Operation: 71+2=73, Resulting Numbers: [91, 73] Generated Node #0,1,0: 99:[91, 73] Operation: 71+2=73 Exploring Operation: 91-71=20, Resulting Numbers: [2, 20] Generated Node #0,1,1: 99:[2, 20] Operation: 91-71=20 Exploring Operation: 91+2=93, Resulting Numbers: [71, 93] Generated Node #0,1,2: 99:[71, 93] Operation: 91+2=93 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[2, 20], Operations: ['76/38=2', '91-71=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[91, 73], Operations: ['76/38=2', '71+2=73'] Exploring Operation: 91*73=6643, Resulting Numbers: [6643] 6643,99 unequal: No Solution Exploring Operation: 91+73=164, Resulting Numbers: [164] 164,99 unequal: No Solution Exploring Operation: 91-73=18, Resulting Numbers: [18] 18,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[71, 93], Operations: ['76/38=2', '91+2=93'] Exploring Operation: 71+93=164, Resulting Numbers: [164] 164,99 unequal: No Solution Exploring Operation: 93-71=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 71*93=6603, Resulting Numbers: [6603] 6603,99 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_3
sum_heuristic
[ 53, 51, 16, 58 ]
100
[ "53-51=2", "58*2=116", "116-16=100" ]
Current State: 100:[53, 51, 16, 58], Operations: [] Exploring Operation: 53-51=2, Resulting Numbers: [16, 58, 2] Generated Node #2: [16, 58, 2] from Operation: 53-51=2 Current State: 100:[16, 58, 2], Operations: ['53-51=2'] Exploring Operation: 58*2=116, Resulting Numbers: [16, 116] Generated Node #3: [16, 116] from Operation: 58*2=116 Current State: 100:[16, 116], Operations: ['53-51=2', '58*2=116'] Exploring Operation: 116-16=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[53, 51, 16, 58], Operations: [] Exploring Operation: 58-53=5, Resulting Numbers: [51, 16, 5] Generated Node #0,0: 100:[51, 16, 5] Operation: 58-53=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[51, 16, 5], Operations: ['58-53=5'] Exploring Operation: 16+5=21, Resulting Numbers: [51, 21] Generated Node #0,0,0: 100:[51, 21] Operation: 16+5=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[51, 21], Operations: ['58-53=5', '16+5=21'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,100 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
[ 37, 30, 71, 68 ]
15
[ "71-37=34", "30*34=1020", "1020/68=15" ]
Current State: 15:[37, 30, 71, 68], Operations: [] Exploring Operation: 71-37=34, Resulting Numbers: [30, 68, 34] Generated Node #2: [30, 68, 34] from Operation: 71-37=34 Current State: 15:[30, 68, 34], Operations: ['71-37=34'] Exploring Operation: 30*34=1020, Resulting Numbers: [68, 1020] Generated Node #3: [68, 1020] from Operation: 30*34=1020 Current State: 15:[68, 1020], Operations: ['71-37=34', '30*34=1020'] Exploring Operation: 1020/68=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[37, 30, 71, 68], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [37, 30, 3] Generated Node #0,0: 15:[37, 30, 3] Operation: 71-68=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[37, 30, 3], Operations: ['71-68=3'] Exploring Operation: 37-30=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 15:[3, 7] Operation: 37-30=7 Moving to Node #0,0,0 Current State: 15:[3, 7], Operations: ['71-68=3', '37-30=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,15 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
[ 30, 87, 15, 5 ]
54
[ "87-30=57", "15/5=3", "57-3=54" ]
Current State: 54:[30, 87, 15, 5], Operations: [] Exploring Operation: 87-30=57, Resulting Numbers: [15, 5, 57] Generated Node #2: [15, 5, 57] from Operation: 87-30=57 Current State: 54:[15, 5, 57], Operations: ['87-30=57'] Exploring Operation: 15/5=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 15/5=3 Current State: 54:[57, 3], Operations: ['87-30=57', '15/5=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[30, 87, 15, 5], Operations: [] Exploring Operation: 87-15=72, Resulting Numbers: [30, 5, 72] Generated Node #0,0: 54:[30, 5, 72] Operation: 87-15=72 Exploring Operation: 87-5=82, Resulting Numbers: [30, 15, 82] Generated Node #0,1: 54:[30, 15, 82] Operation: 87-5=82 Exploring Operation: 30/15=2, Resulting Numbers: [87, 5, 2] Generated Node #0,2: 54:[87, 5, 2] Operation: 30/15=2 Exploring Operation: 30/5=6, Resulting Numbers: [87, 15, 6] Generated Node #0,3: 54:[87, 15, 6] Operation: 30/5=6 Exploring Operation: 87-30=57, Resulting Numbers: [15, 5, 57] Generated Node #0,4: 54:[15, 5, 57] Operation: 87-30=57 Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[15, 5, 57], Operations: ['87-30=57'] Exploring Operation: 15+5=20, Resulting Numbers: [57, 20] Generated Node #0,4,0: 54:[57, 20] Operation: 15+5=20 Exploring Operation: 5+57=62, Resulting Numbers: [15, 62] Generated Node #0,4,1: 54:[15, 62] Operation: 5+57=62 Exploring Operation: 15/5=3, Resulting Numbers: [57, 3] Generated Node #0,4,2: 54:[57, 3] Operation: 15/5=3 Exploring Operation: 57-5=52, Resulting Numbers: [15, 52] Generated Node #0,4,3: 54:[15, 52] Operation: 57-5=52 Exploring Operation: 15-5=10, Resulting Numbers: [57, 10] Generated Node #0,4,4: 54:[57, 10] Operation: 15-5=10 Moving to Node #0,4,2 Current State: 54:[57, 3], Operations: ['87-30=57', '15/5=3'] Exploring Operation: 57*3=171, Resulting Numbers: [171] 171,54 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[30, 87, 15, 5], Operations: [] Exploring Operation: 87-30=57, Resulting Numbers: [15, 5, 57] Generated Node #0,4: 54:[15, 5, 57] Operation: 87-30=57 Moving to Node #0,4 Current State: 54:[15, 5, 57], Operations: ['87-30=57'] Exploring Operation: 15/5=3, Resulting Numbers: [57, 3] Generated Node #0,4,2: 54:[57, 3] Operation: 15/5=3 Moving to Node #0,4,2 Current State: 54:[57, 3], Operations: ['87-30=57', '15/5=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 13, 68, 45, 93 ]
83
[ "68-13=55", "45+93=138", "138-55=83" ]
Current State: 83:[13, 68, 45, 93], Operations: [] Exploring Operation: 68-13=55, Resulting Numbers: [45, 93, 55] Generated Node #2: [45, 93, 55] from Operation: 68-13=55 Current State: 83:[45, 93, 55], Operations: ['68-13=55'] Exploring Operation: 45+93=138, Resulting Numbers: [55, 138] Generated Node #3: [55, 138] from Operation: 45+93=138 Current State: 83:[55, 138], Operations: ['68-13=55', '45+93=138'] Exploring Operation: 138-55=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[13, 68, 45, 93], Operations: [] Exploring Operation: 13+68=81, Resulting Numbers: [45, 93, 81] Generated Node #0,0: 83:[45, 93, 81] Operation: 13+68=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[45, 93, 81], Operations: ['13+68=81'] Exploring Operation: 93-45=48, Resulting Numbers: [81, 48] Generated Node #0,0,0: 83:[81, 48] Operation: 93-45=48 Moving to Node #0,0,0 Current State: 83:[81, 48], Operations: ['13+68=81', '93-45=48'] Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,83 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
[ 61, 18, 36, 27 ]
59
[ "18+36=54", "54/27=2", "61-2=59" ]
Current State: 59:[61, 18, 36, 27], Operations: [] Exploring Operation: 18+36=54, Resulting Numbers: [61, 27, 54] Generated Node #2: [61, 27, 54] from Operation: 18+36=54 Current State: 59:[61, 27, 54], Operations: ['18+36=54'] Exploring Operation: 54/27=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 54/27=2 Current State: 59:[61, 2], Operations: ['18+36=54', '54/27=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[61, 18, 36, 27], Operations: [] Exploring Operation: 18+27=45, Resulting Numbers: [61, 36, 45] Generated Node #0,0: 59:[61, 36, 45] Operation: 18+27=45 Exploring Operation: 36+27=63, Resulting Numbers: [61, 18, 63] Generated Node #0,1: 59:[61, 18, 63] Operation: 36+27=63 Exploring Operation: 18+36=54, Resulting Numbers: [61, 27, 54] Generated Node #0,2: 59:[61, 27, 54] Operation: 18+36=54 Moving to Node #0,0 Current State: 59:[61, 36, 45], Operations: ['18+27=45'] Exploring Operation: 61+36=97, Resulting Numbers: [45, 97] Generated Node #0,0,0: 59:[45, 97] Operation: 61+36=97 Exploring Operation: 36+45=81, Resulting Numbers: [61, 81] Generated Node #0,0,1: 59:[61, 81] Operation: 36+45=81 Exploring Operation: 61-36=25, Resulting Numbers: [45, 25] Generated Node #0,0,2: 59:[45, 25] Operation: 61-36=25 Moving to Node #0,2 Current State: 59:[61, 27, 54], Operations: ['18+36=54'] Exploring Operation: 27+54=81, Resulting Numbers: [61, 81] Generated Node #0,2,0: 59:[61, 81] Operation: 27+54=81 Exploring Operation: 61-27=34, Resulting Numbers: [54, 34] Generated Node #0,2,1: 59:[54, 34] Operation: 61-27=34 Exploring Operation: 61+27=88, Resulting Numbers: [54, 88] Generated Node #0,2,2: 59:[54, 88] Operation: 61+27=88 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[61, 81], Operations: ['18+36=54', '27+54=81'] Exploring Operation: 61+81=142, Resulting Numbers: [142] 142,59 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 61*81=4941, Resulting Numbers: [4941] 4941,59 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 #0,2,1 Current State: 59:[54, 34], Operations: ['18+36=54', '61-27=34'] Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,59 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,59 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 #0,2,2 Current State: 59:[54, 88], Operations: ['18+36=54', '61+27=88'] Exploring Operation: 54*88=4752, Resulting Numbers: [4752] 4752,59 unequal: No Solution Exploring Operation: 54+88=142, Resulting Numbers: [142] 142,59 unequal: No Solution Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,59 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: 59:[61, 18, 63], Operations: ['36+27=63'] Exploring Operation: 63-18=45, Resulting Numbers: [61, 45] Generated Node #0,1,0: 59:[61, 45] Operation: 63-18=45 Exploring Operation: 61+18=79, Resulting Numbers: [63, 79] Generated Node #0,1,1: 59:[63, 79] Operation: 61+18=79 Exploring Operation: 61-18=43, Resulting Numbers: [63, 43] Generated Node #0,1,2: 59:[63, 43] Operation: 61-18=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[61, 45], Operations: ['36+27=63', '63-18=45'] Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,59 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,59 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 #0,1,2 Current State: 59:[63, 43], Operations: ['36+27=63', '61-18=43'] Exploring Operation: 63*43=2709, Resulting Numbers: [2709] 2709,59 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 63+43=106, Resulting Numbers: [106] 106,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[63, 79], Operations: ['36+27=63', '61+18=79'] Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 63+79=142, Resulting Numbers: [142] 142,59 unequal: No Solution Exploring Operation: 63*79=4977, Resulting Numbers: [4977] 4977,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 59:[61, 81], Operations: ['18+27=45', '36+45=81'] Exploring Operation: 61+81=142, Resulting Numbers: [142] 142,59 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 61*81=4941, Resulting Numbers: [4941] 4941,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[45, 25], Operations: ['18+27=45', '61-36=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[45, 97], Operations: ['18+27=45', '61+36=97'] Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,59 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,59 unequal: No Solution Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 12, 15, 15, 75 ]
75
[ "12*75=900", "900/15=60", "15+60=75" ]
Current State: 75:[12, 15, 15, 75], Operations: [] Exploring Operation: 12*75=900, Resulting Numbers: [15, 15, 900] Generated Node #2: [15, 15, 900] from Operation: 12*75=900 Current State: 75:[15, 15, 900], Operations: ['12*75=900'] Exploring Operation: 900/15=60, Resulting Numbers: [60] 60,75 equal: Goal Reached Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[12, 15, 15, 75], Operations: [] Exploring Operation: 12+15=27, Resulting Numbers: [15, 75, 27] Generated Node #0,0: 75:[15, 75, 27] Operation: 12+15=27 Exploring Operation: 75/15=5, Resulting Numbers: [12, 15, 5] Generated Node #0,1: 75:[12, 15, 5] Operation: 75/15=5 Exploring Operation: 15-12=3, Resulting Numbers: [15, 75, 3] Generated Node #0,2: 75:[15, 75, 3] Operation: 15-12=3 Exploring Operation: 12+15=27, Resulting Numbers: [15, 75, 27] Generated Node #0,3: 75:[15, 75, 27] Operation: 12+15=27 Exploring Operation: 15-12=3, Resulting Numbers: [15, 75, 3] Generated Node #0,4: 75:[15, 75, 3] Operation: 15-12=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[15, 75, 3], Operations: ['15-12=3'] Exploring Operation: 15+3=18, Resulting Numbers: [75, 18] Generated Node #0,2,0: 75:[75, 18] Operation: 15+3=18 Exploring Operation: 15/3=5, Resulting Numbers: [75, 5] Generated Node #0,2,1: 75:[75, 5] Operation: 15/3=5 Exploring Operation: 75/15=5, Resulting Numbers: [3, 5] Generated Node #0,2,2: 75:[3, 5] Operation: 75/15=5 Exploring Operation: 75/3=25, Resulting Numbers: [15, 25] Generated Node #0,2,3: 75:[15, 25] Operation: 75/3=25 Exploring Operation: 15-3=12, Resulting Numbers: [75, 12] Generated Node #0,2,4: 75:[75, 12] Operation: 15-3=12 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[75, 5], Operations: ['15-12=3', '15/3=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,75 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,75 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: 75:[3, 5], Operations: ['15-12=3', '75/15=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,75 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: 75:[15, 25], Operations: ['15-12=3', '75/3=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,75 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: 75:[75, 18], Operations: ['15-12=3', '15+3=18'] Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,75 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 75:[75, 12], Operations: ['15-12=3', '15-3=12'] Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,75 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[15, 75, 3], Operations: ['15-12=3'] Exploring Operation: 15-3=12, Resulting Numbers: [75, 12] Generated Node #0,4,0: 75:[75, 12] Operation: 15-3=12 Exploring Operation: 75/3=25, Resulting Numbers: [15, 25] Generated Node #0,4,1: 75:[15, 25] Operation: 75/3=25 Exploring Operation: 15+3=18, Resulting Numbers: [75, 18] Generated Node #0,4,2: 75:[75, 18] Operation: 15+3=18 Exploring Operation: 75/15=5, Resulting Numbers: [3, 5] Generated Node #0,4,3: 75:[3, 5] Operation: 75/15=5 Exploring Operation: 15/3=5, Resulting Numbers: [75, 5] Generated Node #0,4,4: 75:[75, 5] Operation: 15/3=5 Moving to Node #0,4,1 Current State: 75:[15, 25], Operations: ['15-12=3', '75/3=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[75, 5], Operations: ['15-12=3', '15/3=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,75 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,75 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Moving to Node #0,4,3 Current State: 75:[3, 5], Operations: ['15-12=3', '75/15=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[75, 12], Operations: ['15-12=3', '15-3=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,75 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[75, 18], Operations: ['15-12=3', '15+3=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[15, 75, 27], Operations: ['12+15=27'] Exploring Operation: 15+27=42, Resulting Numbers: [75, 42] Generated Node #0,0,0: 75:[75, 42] Operation: 15+27=42 Exploring Operation: 75-15=60, Resulting Numbers: [27, 60] Generated Node #0,0,1: 75:[27, 60] Operation: 75-15=60 Exploring Operation: 15+75=90, Resulting Numbers: [27, 90] Generated Node #0,0,2: 75:[27, 90] Operation: 15+75=90 Exploring Operation: 27-15=12, Resulting Numbers: [75, 12] Generated Node #0,0,3: 75:[75, 12] Operation: 27-15=12 Exploring Operation: 75/15=5, Resulting Numbers: [27, 5] Generated Node #0,0,4: 75:[27, 5] Operation: 75/15=5 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 75:[27, 5], Operations: ['12+15=27', '75/15=5'] Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,75 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 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: 75:[75, 12], Operations: ['12+15=27', '27-15=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,75 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,75 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: 75:[75, 42], Operations: ['12+15=27', '15+27=42'] Exploring Operation: 75*42=3150, Resulting Numbers: [3150] 3150,75 unequal: No Solution Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,75 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: 75:[27, 60], Operations: ['12+15=27', '75-15=60'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 27*60=1620, Resulting Numbers: [1620] 1620,75 unequal: No Solution Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,75 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: 75:[27, 90], Operations: ['12+15=27', '15+75=90'] Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 27+90=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 27*90=2430, Resulting Numbers: [2430] 2430,75 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: 75:[15, 75, 27], Operations: ['12+15=27'] Exploring Operation: 27-15=12, Resulting Numbers: [75, 12] Generated Node #0,3,0: 75:[75, 12] Operation: 27-15=12 Exploring Operation: 15+27=42, Resulting Numbers: [75, 42] Generated Node #0,3,1: 75:[75, 42] Operation: 15+27=42 Exploring Operation: 15+75=90, Resulting Numbers: [27, 90] Generated Node #0,3,2: 75:[27, 90] Operation: 15+75=90 Exploring Operation: 75-15=60, Resulting Numbers: [27, 60] Generated Node #0,3,3: 75:[27, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [27, 5] Generated Node #0,3,4: 75:[27, 5] Operation: 75/15=5 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[27, 5], Operations: ['12+15=27', '75/15=5'] Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[75, 12], Operations: ['12+15=27', '27-15=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,75 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[75, 42], Operations: ['12+15=27', '15+27=42'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 75*42=3150, Resulting Numbers: [3150] 3150,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[27, 90], Operations: ['12+15=27', '15+75=90'] Exploring Operation: 27+90=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 27*90=2430, Resulting Numbers: [2430] 2430,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[27, 60], Operations: ['12+15=27', '75-15=60'] Exploring Operation: 27*60=1620, Resulting Numbers: [1620] 1620,75 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,75 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: 75:[12, 15, 5], Operations: ['75/15=5'] Exploring Operation: 12+15=27, Resulting Numbers: [5, 27] Generated Node #0,1,0: 75:[5, 27] Operation: 12+15=27 Exploring Operation: 12-5=7, Resulting Numbers: [15, 7] Generated Node #0,1,1: 75:[15, 7] Operation: 12-5=7 Exploring Operation: 15*5=75, Resulting Numbers: [12, 75] Generated Node #0,1,2: 75:[12, 75] Operation: 15*5=75 Exploring Operation: 15-12=3, Resulting Numbers: [5, 3] Generated Node #0,1,3: 75:[5, 3] Operation: 15-12=3 Exploring Operation: 12+5=17, Resulting Numbers: [15, 17] Generated Node #0,1,4: 75:[15, 17] Operation: 12+5=17 Moving to Node #0,1,3 Current State: 75:[5, 3], Operations: ['75/15=5', '15-12=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[15, 7], Operations: ['75/15=5', '12-5=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,75 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[5, 27], Operations: ['75/15=5', '12+15=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,75 unequal: No Solution Moving to Node #0,1,4 Current State: 75:[15, 17], Operations: ['75/15=5', '12+5=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,75 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[12, 75], Operations: ['75/15=5', '15*5=75'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 12+75=87, Resulting Numbers: [87] 87,75 unequal: No Solution Exploring Operation: 12*75=900, Resulting Numbers: [900] 900,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 24, 92, 90, 18 ]
84
[ "24+18=42", "92-90=2", "42*2=84" ]
Current State: 84:[24, 92, 90, 18], Operations: [] Exploring Operation: 24+18=42, Resulting Numbers: [92, 90, 42] Generated Node #2: [92, 90, 42] from Operation: 24+18=42 Current State: 84:[92, 90, 42], Operations: ['24+18=42'] Exploring Operation: 92-90=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 92-90=2 Current State: 84:[42, 2], Operations: ['24+18=42', '92-90=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[24, 92, 90, 18], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [24, 18, 2] Generated Node #0,0: 84:[24, 18, 2] Operation: 92-90=2 Exploring Operation: 24+18=42, Resulting Numbers: [92, 90, 42] Generated Node #0,1: 84:[92, 90, 42] Operation: 24+18=42 Exploring Operation: 90/18=5, Resulting Numbers: [24, 92, 5] Generated Node #0,2: 84:[24, 92, 5] Operation: 90/18=5 Exploring Operation: 24-18=6, Resulting Numbers: [92, 90, 6] Generated Node #0,3: 84:[92, 90, 6] Operation: 24-18=6 Moving to Node #0,0 Current State: 84:[24, 18, 2], Operations: ['92-90=2'] Exploring Operation: 24-2=22, Resulting Numbers: [18, 22] Generated Node #0,0,0: 84:[18, 22] Operation: 24-2=22 Exploring Operation: 24/2=12, Resulting Numbers: [18, 12] Generated Node #0,0,1: 84:[18, 12] Operation: 24/2=12 Exploring Operation: 24+18=42, Resulting Numbers: [2, 42] Generated Node #0,0,2: 84:[2, 42] Operation: 24+18=42 Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,0,3: 84:[2, 6] Operation: 24-18=6 Moving to Node #0,2 Current State: 84:[24, 92, 5], Operations: ['90/18=5'] Exploring Operation: 92-5=87, Resulting Numbers: [24, 87] Generated Node #0,2,0: 84:[24, 87] Operation: 92-5=87 Exploring Operation: 24-5=19, Resulting Numbers: [92, 19] Generated Node #0,2,1: 84:[92, 19] Operation: 24-5=19 Exploring Operation: 92+5=97, Resulting Numbers: [24, 97] Generated Node #0,2,2: 84:[24, 97] Operation: 92+5=97 Exploring Operation: 24+5=29, Resulting Numbers: [92, 29] Generated Node #0,2,3: 84:[92, 29] Operation: 24+5=29 Moving to Node #0,3 Current State: 84:[92, 90, 6], Operations: ['24-18=6'] Exploring Operation: 92-90=2, Resulting Numbers: [6, 2] Generated Node #0,3,0: 84:[6, 2] Operation: 92-90=2 Exploring Operation: 92-6=86, Resulting Numbers: [90, 86] Generated Node #0,3,1: 84:[90, 86] Operation: 92-6=86 Exploring Operation: 90/6=15, Resulting Numbers: [92, 15] Generated Node #0,3,2: 84:[92, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [92, 84] Generated Node #0,3,3: 84:[92, 84] Operation: 90-6=84 Moving to Node #0,1 Current State: 84:[92, 90, 42], Operations: ['24+18=42'] Exploring Operation: 92-90=2, Resulting Numbers: [42, 2] Generated Node #0,1,0: 84:[42, 2] Operation: 92-90=2 Exploring Operation: 92+42=134, Resulting Numbers: [90, 134] Generated Node #0,1,1: 84:[90, 134] Operation: 92+42=134 Exploring Operation: 90-42=48, Resulting Numbers: [92, 48] Generated Node #0,1,2: 84:[92, 48] Operation: 90-42=48 Exploring Operation: 92-42=50, Resulting Numbers: [90, 50] Generated Node #0,1,3: 84:[90, 50] Operation: 92-42=50 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[42, 2], Operations: ['24+18=42', '92-90=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[24, 92, 90, 18], Operations: [] Exploring Operation: 24+18=42, Resulting Numbers: [92, 90, 42] Generated Node #0,1: 84:[92, 90, 42] Operation: 24+18=42 Moving to Node #0,1 Current State: 84:[92, 90, 42], Operations: ['24+18=42'] Exploring Operation: 92-90=2, Resulting Numbers: [42, 2] Generated Node #0,1,0: 84:[42, 2] Operation: 92-90=2 Moving to Node #0,1,0 Current State: 84:[42, 2], Operations: ['24+18=42', '92-90=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
mult_heuristic
[ 48, 16, 39, 82 ]
57
[ "48+16=64", "39+82=121", "121-64=57" ]
Current State: 57:[48, 16, 39, 82], Operations: [] Exploring Operation: 48+16=64, Resulting Numbers: [39, 82, 64] Generated Node #2: [39, 82, 64] from Operation: 48+16=64 Current State: 57:[39, 82, 64], Operations: ['48+16=64'] Exploring Operation: 39+82=121, Resulting Numbers: [64, 121] Generated Node #3: [64, 121] from Operation: 39+82=121 Current State: 57:[64, 121], Operations: ['48+16=64', '39+82=121'] Exploring Operation: 121-64=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[48, 16, 39, 82], Operations: [] Exploring Operation: 82-39=43, Resulting Numbers: [48, 16, 43] Generated Node #0,0: 57:[48, 16, 43] Operation: 82-39=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[48, 16, 43], Operations: ['82-39=43'] Exploring Operation: 48-43=5, Resulting Numbers: [16, 5] Generated Node #0,0,0: 57:[16, 5] Operation: 48-43=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[16, 5], Operations: ['82-39=43', '48-43=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,57 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
[ 4, 64, 1, 36 ]
33
[ "4+64=68", "36-1=35", "68-35=33" ]
Current State: 33:[4, 64, 1, 36], Operations: [] Exploring Operation: 4+64=68, Resulting Numbers: [1, 36, 68] Generated Node #2: [1, 36, 68] from Operation: 4+64=68 Current State: 33:[1, 36, 68], Operations: ['4+64=68'] Exploring Operation: 36-1=35, Resulting Numbers: [68, 35] Generated Node #3: [68, 35] from Operation: 36-1=35 Current State: 33:[68, 35], Operations: ['4+64=68', '36-1=35'] Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 64, 1, 36], Operations: [] Exploring Operation: 64-36=28, Resulting Numbers: [4, 1, 28] Generated Node #0,0: 33:[4, 1, 28] Operation: 64-36=28 Exploring Operation: 36-4=32, Resulting Numbers: [64, 1, 32] Generated Node #0,1: 33:[64, 1, 32] Operation: 36-4=32 Exploring Operation: 64/4=16, Resulting Numbers: [1, 36, 16] Generated Node #0,2: 33:[1, 36, 16] Operation: 64/4=16 Exploring Operation: 64-4=60, Resulting Numbers: [1, 36, 60] Generated Node #0,3: 33:[1, 36, 60] Operation: 64-4=60 Exploring Operation: 4-1=3, Resulting Numbers: [64, 36, 3] Generated Node #0,4: 33:[64, 36, 3] Operation: 4-1=3 Moving to Node #0,0 Current State: 33:[4, 1, 28], Operations: ['64-36=28'] Exploring Operation: 4-1=3, Resulting Numbers: [28, 3] Generated Node #0,0,0: 33:[28, 3] Operation: 4-1=3 Exploring Operation: 4/1=4, Resulting Numbers: [28, 4] Generated Node #0,0,1: 33:[28, 4] Operation: 4/1=4 Exploring Operation: 4*1=4, Resulting Numbers: [28, 4] Generated Node #0,0,2: 33:[28, 4] Operation: 4*1=4 Exploring Operation: 4+28=32, Resulting Numbers: [1, 32] Generated Node #0,0,3: 33:[1, 32] Operation: 4+28=32 Exploring Operation: 1+28=29, Resulting Numbers: [4, 29] Generated Node #0,0,4: 33:[4, 29] Operation: 1+28=29 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 33:[1, 32], Operations: ['64-36=28', '4+28=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[4, 64, 1, 36], Operations: [] Exploring Operation: 64-36=28, Resulting Numbers: [4, 1, 28] Generated Node #0,0: 33:[4, 1, 28] Operation: 64-36=28 Moving to Node #0,0 Current State: 33:[4, 1, 28], Operations: ['64-36=28'] Exploring Operation: 4+28=32, Resulting Numbers: [1, 32] Generated Node #0,0,3: 33:[1, 32] Operation: 4+28=32 Moving to Node #0,0,3 Current State: 33:[1, 32], Operations: ['64-36=28', '4+28=32'] Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 46, 44, 28, 84 ]
58
[ "46-44=2", "84-28=56", "2+56=58" ]
Current State: 58:[46, 44, 28, 84], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [28, 84, 2] Generated Node #2: [28, 84, 2] from Operation: 46-44=2 Current State: 58:[28, 84, 2], Operations: ['46-44=2'] Exploring Operation: 84-28=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 84-28=56 Current State: 58:[2, 56], Operations: ['46-44=2', '84-28=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[46, 44, 28, 84], Operations: [] Exploring Operation: 84-44=40, Resulting Numbers: [46, 28, 40] Generated Node #0,0: 58:[46, 28, 40] Operation: 84-44=40 Exploring Operation: 46-44=2, Resulting Numbers: [28, 84, 2] Generated Node #0,1: 58:[28, 84, 2] Operation: 46-44=2 Exploring Operation: 84-46=38, Resulting Numbers: [44, 28, 38] Generated Node #0,2: 58:[44, 28, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 58:[46, 28, 40], Operations: ['84-44=40'] Exploring Operation: 46-28=18, Resulting Numbers: [40, 18] Generated Node #0,0,0: 58:[40, 18] Operation: 46-28=18 Exploring Operation: 28+40=68, Resulting Numbers: [46, 68] Generated Node #0,0,1: 58:[46, 68] Operation: 28+40=68 Exploring Operation: 46-40=6, Resulting Numbers: [28, 6] Generated Node #0,0,2: 58:[28, 6] Operation: 46-40=6 Moving to Node #0,2 Current State: 58:[44, 28, 38], Operations: ['84-46=38'] Exploring Operation: 44-38=6, Resulting Numbers: [28, 6] Generated Node #0,2,0: 58:[28, 6] Operation: 44-38=6 Exploring Operation: 28+38=66, Resulting Numbers: [44, 66] Generated Node #0,2,1: 58:[44, 66] Operation: 28+38=66 Exploring Operation: 44-28=16, Resulting Numbers: [38, 16] Generated Node #0,2,2: 58:[38, 16] Operation: 44-28=16 Moving to Node #0,1 Current State: 58:[28, 84, 2], Operations: ['46-44=2'] Exploring Operation: 84/28=3, Resulting Numbers: [2, 3] Generated Node #0,1,0: 58:[2, 3] Operation: 84/28=3 Exploring Operation: 84-28=56, Resulting Numbers: [2, 56] Generated Node #0,1,1: 58:[2, 56] Operation: 84-28=56 Exploring Operation: 84/2=42, Resulting Numbers: [28, 42] Generated Node #0,1,2: 58:[28, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[2, 3], Operations: ['46-44=2', '84/28=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,58 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 #0,1,1 Current State: 58:[2, 56], Operations: ['46-44=2', '84-28=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[46, 44, 28, 84], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [28, 84, 2] Generated Node #0,1: 58:[28, 84, 2] Operation: 46-44=2 Moving to Node #0,1 Current State: 58:[28, 84, 2], Operations: ['46-44=2'] Exploring Operation: 84-28=56, Resulting Numbers: [2, 56] Generated Node #0,1,1: 58:[2, 56] Operation: 84-28=56 Moving to Node #0,1,1 Current State: 58:[2, 56], Operations: ['46-44=2', '84-28=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
mult_heuristic
[ 15, 75, 89, 10 ]
95
[ "75-15=60", "60/10=6", "89+6=95" ]
Current State: 95:[15, 75, 89, 10], Operations: [] Exploring Operation: 75-15=60, Resulting Numbers: [89, 10, 60] Generated Node #2: [89, 10, 60] from Operation: 75-15=60 Current State: 95:[89, 10, 60], Operations: ['75-15=60'] Exploring Operation: 60/10=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 60/10=6 Current State: 95:[89, 6], Operations: ['75-15=60', '60/10=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[15, 75, 89, 10], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [89, 10, 5] Generated Node #0,0: 95:[89, 10, 5] Operation: 75/15=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[89, 10, 5], Operations: ['75/15=5'] Exploring Operation: 89+10=99, Resulting Numbers: [5, 99] Generated Node #0,0,0: 95:[5, 99] Operation: 89+10=99 Moving to Node #0,0,0 Current State: 95:[5, 99], Operations: ['75/15=5', '89+10=99'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,95 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
[ 95, 68, 97, 39 ]
85
[ "95-68=27", "97-39=58", "27+58=85" ]
Current State: 85:[95, 68, 97, 39], Operations: [] Exploring Operation: 95-68=27, Resulting Numbers: [97, 39, 27] Generated Node #2: [97, 39, 27] from Operation: 95-68=27 Current State: 85:[97, 39, 27], Operations: ['95-68=27'] Exploring Operation: 97-39=58, Resulting Numbers: [27, 58] Generated Node #3: [27, 58] from Operation: 97-39=58 Current State: 85:[27, 58], Operations: ['95-68=27', '97-39=58'] Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[95, 68, 97, 39], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [95, 97, 29] Generated Node #0,0: 85:[95, 97, 29] Operation: 68-39=29 Exploring Operation: 97-95=2, Resulting Numbers: [68, 39, 2] Generated Node #0,1: 85:[68, 39, 2] Operation: 97-95=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[95, 97, 29], Operations: ['68-39=29'] Exploring Operation: 97-29=68, Resulting Numbers: [95, 68] Generated Node #0,0,0: 85:[95, 68] Operation: 97-29=68 Exploring Operation: 97-95=2, Resulting Numbers: [29, 2] Generated Node #0,0,1: 85:[29, 2] Operation: 97-95=2 Moving to Node #0,0,1 Current State: 85:[29, 2], Operations: ['68-39=29', '97-95=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[95, 68], Operations: ['68-39=29', '97-29=68'] Exploring Operation: 95+68=163, Resulting Numbers: [163] 163,85 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,85 unequal: No Solution No 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:[68, 39, 2], Operations: ['97-95=2'] Exploring Operation: 39*2=78, Resulting Numbers: [68, 78] Generated Node #0,1,0: 85:[68, 78] Operation: 39*2=78 Exploring Operation: 68-39=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 85:[2, 29] Operation: 68-39=29 Moving to Node #0,1,1 Current State: 85:[2, 29], Operations: ['97-95=2', '68-39=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[68, 78], Operations: ['97-95=2', '39*2=78'] Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,85 unequal: No Solution Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,85 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
[ 61, 3, 11, 60 ]
70
[ "61-11=50", "60/3=20", "50+20=70" ]
Current State: 70:[61, 3, 11, 60], Operations: [] Exploring Operation: 61-11=50, Resulting Numbers: [3, 60, 50] Generated Node #2: [3, 60, 50] from Operation: 61-11=50 Current State: 70:[3, 60, 50], Operations: ['61-11=50'] Exploring Operation: 60/3=20, Resulting Numbers: [50, 20] Generated Node #3: [50, 20] from Operation: 60/3=20 Current State: 70:[50, 20], Operations: ['61-11=50', '60/3=20'] Exploring Operation: 50+20=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[61, 3, 11, 60], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [3, 11, 1] Generated Node #0,0: 70:[3, 11, 1] Operation: 61-60=1 Exploring Operation: 11+60=71, Resulting Numbers: [61, 3, 71] Generated Node #0,1: 70:[61, 3, 71] Operation: 11+60=71 Moving to Node #0,0 Current State: 70:[3, 11, 1], Operations: ['61-60=1'] Exploring Operation: 3+11=14, Resulting Numbers: [1, 14] Generated Node #0,0,0: 70:[1, 14] Operation: 3+11=14 Exploring Operation: 3-1=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 70:[11, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[1, 14], Operations: ['61-60=1', '3+11=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,70 unequal: No Solution No 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: 70:[11, 2], Operations: ['61-60=1', '3-1=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,70 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: 70:[61, 3, 71], Operations: ['11+60=71'] Exploring Operation: 71-61=10, Resulting Numbers: [3, 10] Generated Node #0,1,0: 70:[3, 10] Operation: 71-61=10 Exploring Operation: 61+3=64, Resulting Numbers: [71, 64] Generated Node #0,1,1: 70:[71, 64] Operation: 61+3=64 Moving to Node #0,1,0 Current State: 70:[3, 10], Operations: ['11+60=71', '71-61=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[71, 64], Operations: ['11+60=71', '61+3=64'] Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,70 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 2, 97, 10, 54 ]
96
[ "97-54=43", "2*43=86", "10+86=96" ]
Current State: 96:[2, 97, 10, 54], Operations: [] Exploring Operation: 97-54=43, Resulting Numbers: [2, 10, 43] Generated Node #2: [2, 10, 43] from Operation: 97-54=43 Current State: 96:[2, 10, 43], Operations: ['97-54=43'] Exploring Operation: 2*43=86, Resulting Numbers: [10, 86] Generated Node #3: [10, 86] from Operation: 2*43=86 Current State: 96:[10, 86], Operations: ['97-54=43', '2*43=86'] Exploring Operation: 10+86=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[2, 97, 10, 54], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [97, 10, 27] Generated Node #0,0: 96:[97, 10, 27] Operation: 54/2=27 Exploring Operation: 54-10=44, Resulting Numbers: [2, 97, 44] Generated Node #0,1: 96:[2, 97, 44] Operation: 54-10=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[2, 97, 44], Operations: ['54-10=44'] Exploring Operation: 44/2=22, Resulting Numbers: [97, 22] Generated Node #0,1,0: 96:[97, 22] Operation: 44/2=22 Exploring Operation: 2+44=46, Resulting Numbers: [97, 46] Generated Node #0,1,1: 96:[97, 46] Operation: 2+44=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[97, 22], Operations: ['54-10=44', '44/2=22'] Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,96 unequal: No Solution Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,96 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: 96:[97, 46], Operations: ['54-10=44', '2+44=46'] Exploring Operation: 97+46=143, Resulting Numbers: [143] 143,96 unequal: No Solution Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,96 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: 96:[97, 10, 27], Operations: ['54/2=27'] Exploring Operation: 10+27=37, Resulting Numbers: [97, 37] Generated Node #0,0,0: 96:[97, 37] Operation: 10+27=37 Exploring Operation: 27-10=17, Resulting Numbers: [97, 17] Generated Node #0,0,1: 96:[97, 17] Operation: 27-10=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[97, 17], Operations: ['54/2=27', '27-10=17'] Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,96 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,96 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: 96:[97, 37], Operations: ['54/2=27', '10+27=37'] Exploring Operation: 97-37=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 97+37=134, Resulting Numbers: [134] 134,96 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
[ 95, 97, 2, 10 ]
24
[ "95+97=192", "10-2=8", "192/8=24" ]
Current State: 24:[95, 97, 2, 10], Operations: [] Exploring Operation: 95+97=192, Resulting Numbers: [2, 10, 192] Generated Node #2: [2, 10, 192] from Operation: 95+97=192 Current State: 24:[2, 10, 192], Operations: ['95+97=192'] Exploring Operation: 10-2=8, Resulting Numbers: [192, 8] Generated Node #3: [192, 8] from Operation: 10-2=8 Current State: 24:[192, 8], Operations: ['95+97=192', '10-2=8'] Exploring Operation: 192/8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[95, 97, 2, 10], Operations: [] Exploring Operation: 95-2=93, Resulting Numbers: [97, 10, 93] Generated Node #0,0: 24:[97, 10, 93] Operation: 95-2=93 Exploring Operation: 97-10=87, Resulting Numbers: [95, 2, 87] Generated Node #0,1: 24:[95, 2, 87] Operation: 97-10=87 Exploring Operation: 97-95=2, Resulting Numbers: [2, 10, 2] Generated Node #0,2: 24:[2, 10, 2] Operation: 97-95=2 Exploring Operation: 95-10=85, Resulting Numbers: [97, 2, 85] Generated Node #0,3: 24:[97, 2, 85] Operation: 95-10=85 Moving to Node #0,2 Current State: 24:[2, 10, 2], Operations: ['97-95=2'] Exploring Operation: 10+2=12, Resulting Numbers: [2, 12] Generated Node #0,2,0: 24:[2, 12] Operation: 10+2=12 Exploring Operation: 10-2=8, Resulting Numbers: [2, 8] Generated Node #0,2,1: 24:[2, 8] Operation: 10-2=8 Exploring Operation: 2+10=12, Resulting Numbers: [2, 12] Generated Node #0,2,2: 24:[2, 12] Operation: 2+10=12 Exploring Operation: 10-2=8, Resulting Numbers: [2, 8] Generated Node #0,2,3: 24:[2, 8] Operation: 10-2=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[2, 12], Operations: ['97-95=2', '10+2=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[95, 97, 2, 10], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [2, 10, 2] Generated Node #0,2: 24:[2, 10, 2] Operation: 97-95=2 Moving to Node #0,2 Current State: 24:[2, 10, 2], Operations: ['97-95=2'] Exploring Operation: 10+2=12, Resulting Numbers: [2, 12] Generated Node #0,2,0: 24:[2, 12] Operation: 10+2=12 Moving to Node #0,2,0 Current State: 24:[2, 12], Operations: ['97-95=2', '10+2=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 84, 8, 3, 12 ]
27
[ "84-12=72", "72/8=9", "3*9=27" ]
Current State: 27:[84, 8, 3, 12], Operations: [] Exploring Operation: 84-12=72, Resulting Numbers: [8, 3, 72] Generated Node #2: [8, 3, 72] from Operation: 84-12=72 Current State: 27:[8, 3, 72], Operations: ['84-12=72'] Exploring Operation: 72/8=9, Resulting Numbers: [3, 9] Generated Node #3: [3, 9] from Operation: 72/8=9 Current State: 27:[3, 9], Operations: ['84-12=72', '72/8=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[84, 8, 3, 12], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [8, 12, 28] Generated Node #0,0: 27:[8, 12, 28] Operation: 84/3=28 Exploring Operation: 84/12=7, Resulting Numbers: [8, 3, 7] Generated Node #0,1: 27:[8, 3, 7] Operation: 84/12=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[8, 3, 7], Operations: ['84/12=7'] Exploring Operation: 8-7=1, Resulting Numbers: [3, 1] Generated Node #0,1,0: 27:[3, 1] Operation: 8-7=1 Exploring Operation: 3+7=10, Resulting Numbers: [8, 10] Generated Node #0,1,1: 27:[8, 10] Operation: 3+7=10 Moving to Node #0,1,0 Current State: 27:[3, 1], Operations: ['84/12=7', '8-7=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[8, 10], Operations: ['84/12=7', '3+7=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[8, 12, 28], Operations: ['84/3=28'] Exploring Operation: 12-8=4, Resulting Numbers: [28, 4] Generated Node #0,0,0: 27:[28, 4] Operation: 12-8=4 Exploring Operation: 8+12=20, Resulting Numbers: [28, 20] Generated Node #0,0,1: 27:[28, 20] Operation: 8+12=20 Moving to Node #0,0,0 Current State: 27:[28, 4], Operations: ['84/3=28', '12-8=4'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[28, 20], Operations: ['84/3=28', '8+12=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,27 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
[ 93, 45, 39, 96 ]
32
[ "96-93=3", "39/3=13", "45-13=32" ]
Current State: 32:[93, 45, 39, 96], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [45, 39, 3] Generated Node #2: [45, 39, 3] from Operation: 96-93=3 Current State: 32:[45, 39, 3], Operations: ['96-93=3'] Exploring Operation: 39/3=13, Resulting Numbers: [45, 13] Generated Node #3: [45, 13] from Operation: 39/3=13 Current State: 32:[45, 13], Operations: ['96-93=3', '39/3=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[93, 45, 39, 96], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [93, 39, 51] Generated Node #0,0: 32:[93, 39, 51] Operation: 96-45=51 Exploring Operation: 93-45=48, Resulting Numbers: [39, 96, 48] Generated Node #0,1: 32:[39, 96, 48] Operation: 93-45=48 Exploring Operation: 96-93=3, Resulting Numbers: [45, 39, 3] Generated Node #0,2: 32:[45, 39, 3] Operation: 96-93=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[45, 39, 3], Operations: ['96-93=3'] Exploring Operation: 45/3=15, Resulting Numbers: [39, 15] Generated Node #0,2,0: 32:[39, 15] Operation: 45/3=15 Exploring Operation: 39/3=13, Resulting Numbers: [45, 13] Generated Node #0,2,1: 32:[45, 13] Operation: 39/3=13 Exploring Operation: 45-39=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 32:[3, 6] Operation: 45-39=6 Moving to Node #0,2,2 Current State: 32:[3, 6], Operations: ['96-93=3', '45-39=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,32 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[39, 15], Operations: ['96-93=3', '45/3=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,32 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[45, 13], Operations: ['96-93=3', '39/3=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[93, 45, 39, 96], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [45, 39, 3] Generated Node #0,2: 32:[45, 39, 3] Operation: 96-93=3 Moving to Node #0,2 Current State: 32:[45, 39, 3], Operations: ['96-93=3'] Exploring Operation: 39/3=13, Resulting Numbers: [45, 13] Generated Node #0,2,1: 32:[45, 13] Operation: 39/3=13 Moving to Node #0,2,1 Current State: 32:[45, 13], Operations: ['96-93=3', '39/3=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 2, 93, 70, 24 ]
23
[ "2*70=140", "93+24=117", "140-117=23" ]
Current State: 23:[2, 93, 70, 24], Operations: [] Exploring Operation: 2*70=140, Resulting Numbers: [93, 24, 140] Generated Node #2: [93, 24, 140] from Operation: 2*70=140 Current State: 23:[93, 24, 140], Operations: ['2*70=140'] Exploring Operation: 93+24=117, Resulting Numbers: [140, 117] Generated Node #3: [140, 117] from Operation: 93+24=117 Current State: 23:[140, 117], Operations: ['2*70=140', '93+24=117'] Exploring Operation: 140-117=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 93, 70, 24], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [2, 70, 69] Generated Node #0,0: 23:[2, 70, 69] Operation: 93-24=69 Exploring Operation: 70/2=35, Resulting Numbers: [93, 24, 35] Generated Node #0,1: 23:[93, 24, 35] Operation: 70/2=35 Exploring Operation: 70-24=46, Resulting Numbers: [2, 93, 46] Generated Node #0,2: 23:[2, 93, 46] Operation: 70-24=46 Exploring Operation: 93-70=23, Resulting Numbers: [2, 24, 23] Generated Node #0,3: 23:[2, 24, 23] Operation: 93-70=23 Exploring Operation: 93-2=91, Resulting Numbers: [70, 24, 91] Generated Node #0,4: 23:[70, 24, 91] Operation: 93-2=91 Moving to Node #0,3 Current State: 23:[2, 24, 23], Operations: ['93-70=23'] Exploring Operation: 2+23=25, Resulting Numbers: [24, 25] Generated Node #0,3,0: 23:[24, 25] Operation: 2+23=25 Exploring Operation: 24-2=22, Resulting Numbers: [23, 22] Generated Node #0,3,1: 23:[23, 22] Operation: 24-2=22 Exploring Operation: 2+24=26, Resulting Numbers: [23, 26] Generated Node #0,3,2: 23:[23, 26] Operation: 2+24=26 Exploring Operation: 24/2=12, Resulting Numbers: [23, 12] Generated Node #0,3,3: 23:[23, 12] Operation: 24/2=12 Exploring Operation: 23-2=21, Resulting Numbers: [24, 21] Generated Node #0,3,4: 23:[24, 21] Operation: 23-2=21 Moving to Node #0,1 Current State: 23:[93, 24, 35], Operations: ['70/2=35'] Exploring Operation: 35-24=11, Resulting Numbers: [93, 11] Generated Node #0,1,0: 23:[93, 11] Operation: 35-24=11 Exploring Operation: 93-35=58, Resulting Numbers: [24, 58] Generated Node #0,1,1: 23:[24, 58] Operation: 93-35=58 Exploring Operation: 93+35=128, Resulting Numbers: [24, 128] Generated Node #0,1,2: 23:[24, 128] Operation: 93+35=128 Exploring Operation: 93-24=69, Resulting Numbers: [35, 69] Generated Node #0,1,3: 23:[35, 69] Operation: 93-24=69 Exploring Operation: 93+24=117, Resulting Numbers: [35, 117] Generated Node #0,1,4: 23:[35, 117] Operation: 93+24=117 Moving to Node #0,0 Current State: 23:[2, 70, 69], Operations: ['93-24=69'] Exploring Operation: 70/2=35, Resulting Numbers: [69, 35] Generated Node #0,0,0: 23:[69, 35] Operation: 70/2=35 Exploring Operation: 70-2=68, Resulting Numbers: [69, 68] Generated Node #0,0,1: 23:[69, 68] Operation: 70-2=68 Exploring Operation: 2+70=72, Resulting Numbers: [69, 72] Generated Node #0,0,2: 23:[69, 72] Operation: 2+70=72 Exploring Operation: 69-2=67, Resulting Numbers: [70, 67] Generated Node #0,0,3: 23:[70, 67] Operation: 69-2=67 Exploring Operation: 70-69=1, Resulting Numbers: [2, 1] Generated Node #0,0,4: 23:[2, 1] Operation: 70-69=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 23:[2, 1], Operations: ['93-24=69', '70-69=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[69, 35], Operations: ['93-24=69', '70/2=35'] Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,23 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[69, 68], Operations: ['93-24=69', '70-2=68'] Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 69+68=137, Resulting Numbers: [137] 137,23 unequal: No Solution Exploring Operation: 69*68=4692, Resulting Numbers: [4692] 4692,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[70, 67], Operations: ['93-24=69', '69-2=67'] Exploring Operation: 70+67=137, Resulting Numbers: [137] 137,23 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 70*67=4690, Resulting Numbers: [4690] 4690,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[69, 72], Operations: ['93-24=69', '2+70=72'] Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 69+72=141, Resulting Numbers: [141] 141,23 unequal: No Solution Exploring Operation: 69*72=4968, Resulting Numbers: [4968] 4968,23 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: 23:[2, 93, 46], Operations: ['70-24=46'] Exploring Operation: 93-46=47, Resulting Numbers: [2, 47] Generated Node #0,2,0: 23:[2, 47] Operation: 93-46=47 Exploring Operation: 93-2=91, Resulting Numbers: [46, 91] Generated Node #0,2,1: 23:[46, 91] Operation: 93-2=91 Exploring Operation: 46-2=44, Resulting Numbers: [93, 44] Generated Node #0,2,2: 23:[93, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [93, 23] Generated Node #0,2,3: 23:[93, 23] Operation: 46/2=23 Exploring Operation: 2+93=95, Resulting Numbers: [46, 95] Generated Node #0,2,4: 23:[46, 95] Operation: 2+93=95 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[2, 47], Operations: ['70-24=46', '93-46=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,23 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[93, 23], Operations: ['70-24=46', '46/2=23'] Exploring Operation: 93*23=2139, Resulting Numbers: [2139] 2139,23 unequal: No Solution Exploring Operation: 93+23=116, Resulting Numbers: [116] 116,23 unequal: No Solution Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[46, 91], Operations: ['70-24=46', '93-2=91'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 46+91=137, Resulting Numbers: [137] 137,23 unequal: No Solution Exploring Operation: 46*91=4186, Resulting Numbers: [4186] 4186,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[93, 44], Operations: ['70-24=46', '46-2=44'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,23 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 23:[46, 95], Operations: ['70-24=46', '2+93=95'] Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,23 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,23 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: 23:[70, 24, 91], Operations: ['93-2=91'] Exploring Operation: 91-70=21, Resulting Numbers: [24, 21] Generated Node #0,4,0: 23:[24, 21] Operation: 91-70=21 Exploring Operation: 70-24=46, Resulting Numbers: [91, 46] Generated Node #0,4,1: 23:[91, 46] Operation: 70-24=46 Exploring Operation: 91-24=67, Resulting Numbers: [70, 67] Generated Node #0,4,2: 23:[70, 67] Operation: 91-24=67 Exploring Operation: 70+91=161, Resulting Numbers: [24, 161] Generated Node #0,4,3: 23:[24, 161] Operation: 70+91=161 Exploring Operation: 70+24=94, Resulting Numbers: [91, 94] Generated Node #0,4,4: 23:[91, 94] Operation: 70+24=94 Moving to Node #0,3,1 Current State: 23:[23, 22], Operations: ['93-70=23', '24-2=22'] Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,23 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[23, 26], Operations: ['93-70=23', '2+24=26'] Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[24, 25], Operations: ['93-70=23', '2+23=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,23 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[24, 21], Operations: ['93-2=91', '91-70=21'] Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,23 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,23 unequal: No Solution Moving to Node #0,3,4 Current State: 23:[24, 21], Operations: ['93-70=23', '23-2=21'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[23, 12], Operations: ['93-70=23', '24/2=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,23 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[24, 58], Operations: ['70/2=35', '93-35=58'] Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 24*58=1392, Resulting Numbers: [1392] 1392,23 unequal: No Solution Exploring Operation: 24+58=82, Resulting Numbers: [82] 82,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[35, 69], Operations: ['70/2=35', '93-24=69'] Exploring Operation: 35+69=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 35*69=2415, Resulting Numbers: [2415] 2415,23 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[93, 11], Operations: ['70/2=35', '35-24=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,23 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[70, 67], Operations: ['93-2=91', '91-24=67'] Exploring Operation: 70*67=4690, Resulting Numbers: [4690] 4690,23 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 70+67=137, Resulting Numbers: [137] 137,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[91, 46], Operations: ['93-2=91', '70-24=46'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 91*46=4186, Resulting Numbers: [4186] 4186,23 unequal: No Solution Exploring Operation: 91+46=137, Resulting Numbers: [137] 137,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[35, 117], Operations: ['70/2=35', '93+24=117'] Exploring Operation: 35+117=152, Resulting Numbers: [152] 152,23 unequal: No Solution Exploring Operation: 35*117=4095, Resulting Numbers: [4095] 4095,23 unequal: No Solution Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[24, 128], Operations: ['70/2=35', '93+35=128'] Exploring Operation: 128-24=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 24+128=152, Resulting Numbers: [152] 152,23 unequal: No Solution Exploring Operation: 24*128=3072, Resulting Numbers: [3072] 3072,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[24, 161], Operations: ['93-2=91', '70+91=161'] Exploring Operation: 161-24=137, Resulting Numbers: [137] 137,23 unequal: No Solution Exploring Operation: 24*161=3864, Resulting Numbers: [3864] 3864,23 unequal: No Solution Exploring Operation: 24+161=185, Resulting Numbers: [185] 185,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[91, 94], Operations: ['93-2=91', '70+24=94'] Exploring Operation: 91+94=185, Resulting Numbers: [185] 185,23 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 91*94=8554, Resulting Numbers: [8554] 8554,23 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 18, 5, 36, 72 ]
16
[ "72/18=4", "5*4=20", "36-20=16" ]
Current State: 16:[18, 5, 36, 72], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [5, 36, 4] Generated Node #2: [5, 36, 4] from Operation: 72/18=4 Current State: 16:[5, 36, 4], Operations: ['72/18=4'] Exploring Operation: 5*4=20, Resulting Numbers: [36, 20] Generated Node #3: [36, 20] from Operation: 5*4=20 Current State: 16:[36, 20], Operations: ['72/18=4', '5*4=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[18, 5, 36, 72], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [18, 5, 2] Generated Node #0,0: 16:[18, 5, 2] Operation: 72/36=2 Exploring Operation: 36/18=2, Resulting Numbers: [5, 72, 2] Generated Node #0,1: 16:[5, 72, 2] Operation: 36/18=2 Exploring Operation: 72-36=36, Resulting Numbers: [18, 5, 36] Generated Node #0,2: 16:[18, 5, 36] Operation: 72-36=36 Exploring Operation: 72/18=4, Resulting Numbers: [5, 36, 4] Generated Node #0,3: 16:[5, 36, 4] Operation: 72/18=4 Moving to Node #0,0 Current State: 16:[18, 5, 2], Operations: ['72/36=2'] Exploring Operation: 18-2=16, Resulting Numbers: [5, 16] Generated Node #0,0,0: 16:[5, 16] Operation: 18-2=16 Exploring Operation: 18-5=13, Resulting Numbers: [2, 13] Generated Node #0,0,1: 16:[2, 13] Operation: 18-5=13 Exploring Operation: 18/2=9, Resulting Numbers: [5, 9] Generated Node #0,0,2: 16:[5, 9] Operation: 18/2=9 Exploring Operation: 5+2=7, Resulting Numbers: [18, 7] Generated Node #0,0,3: 16:[18, 7] Operation: 5+2=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[5, 16], Operations: ['72/36=2', '18-2=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,16 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 #0,0,2 Current State: 16:[5, 9], Operations: ['72/36=2', '18/2=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,16 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 #0,0,1 Current State: 16:[2, 13], Operations: ['72/36=2', '18-5=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,16 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 #0,0,3 Current State: 16:[18, 7], Operations: ['72/36=2', '5+2=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,16 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,16 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: 16:[5, 36, 4], Operations: ['72/18=4'] Exploring Operation: 36-5=31, Resulting Numbers: [4, 31] Generated Node #0,3,0: 16:[4, 31] Operation: 36-5=31 Exploring Operation: 36/4=9, Resulting Numbers: [5, 9] Generated Node #0,3,1: 16:[5, 9] Operation: 36/4=9 Exploring Operation: 5+4=9, Resulting Numbers: [36, 9] Generated Node #0,3,2: 16:[36, 9] Operation: 5+4=9 Exploring Operation: 36-4=32, Resulting Numbers: [5, 32] Generated Node #0,3,3: 16:[5, 32] Operation: 36-4=32 Moving to Node #0,2 Current State: 16:[18, 5, 36], Operations: ['72-36=36'] Exploring Operation: 36/18=2, Resulting Numbers: [5, 2] Generated Node #0,2,0: 16:[5, 2] Operation: 36/18=2 Exploring Operation: 36-5=31, Resulting Numbers: [18, 31] Generated Node #0,2,1: 16:[18, 31] Operation: 36-5=31 Exploring Operation: 36-18=18, Resulting Numbers: [5, 18] Generated Node #0,2,2: 16:[5, 18] Operation: 36-18=18 Exploring Operation: 18-5=13, Resulting Numbers: [36, 13] Generated Node #0,2,3: 16:[36, 13] Operation: 18-5=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[5, 2], Operations: ['72-36=36', '36/18=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,16 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 #0,2,2 Current State: 16:[5, 18], Operations: ['72-36=36', '36-18=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,16 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,16 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 #0,2,1 Current State: 16:[18, 31], Operations: ['72-36=36', '36-5=31'] Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,16 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,16 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 #0,2,3 Current State: 16:[36, 13], Operations: ['72-36=36', '18-5=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,16 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,16 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: 16:[5, 72, 2], Operations: ['36/18=2'] Exploring Operation: 72-5=67, Resulting Numbers: [2, 67] Generated Node #0,1,0: 16:[2, 67] Operation: 72-5=67 Exploring Operation: 5+2=7, Resulting Numbers: [72, 7] Generated Node #0,1,1: 16:[72, 7] Operation: 5+2=7 Exploring Operation: 72-2=70, Resulting Numbers: [5, 70] Generated Node #0,1,2: 16:[5, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [5, 36] Generated Node #0,1,3: 16:[5, 36] Operation: 72/2=36 Moving to Node #0,3,1 Current State: 16:[5, 9], Operations: ['72/18=4', '36/4=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[4, 31], Operations: ['72/18=4', '36-5=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,16 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,16 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[5, 32], Operations: ['72/18=4', '36-4=32'] Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,16 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[5, 36], Operations: ['36/18=2', '72/2=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,16 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[36, 9], Operations: ['72/18=4', '5+4=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,16 unequal: No Solution Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[2, 67], Operations: ['36/18=2', '72-5=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[5, 70], Operations: ['36/18=2', '72-2=70'] Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,16 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[72, 7], Operations: ['36/18=2', '5+2=7'] Exploring Operation: 72+7=79, Resulting Numbers: [79] 79,16 unequal: No Solution Exploring Operation: 72*7=504, Resulting Numbers: [504] 504,16 unequal: No Solution Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,16 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 85, 60, 54, 25 ]
99
[ "85+25=110", "54*110=5940", "5940/60=99" ]
Current State: 99:[85, 60, 54, 25], Operations: [] Exploring Operation: 85+25=110, Resulting Numbers: [60, 54, 110] Generated Node #2: [60, 54, 110] from Operation: 85+25=110 Current State: 99:[60, 54, 110], Operations: ['85+25=110'] Exploring Operation: 54*110=5940, Resulting Numbers: [60, 5940] Generated Node #3: [60, 5940] from Operation: 54*110=5940 Current State: 99:[60, 5940], Operations: ['85+25=110', '54*110=5940'] Exploring Operation: 5940/60=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[85, 60, 54, 25], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [85, 25, 6] Generated Node #0,0: 99:[85, 25, 6] Operation: 60-54=6 Exploring Operation: 85-60=25, Resulting Numbers: [54, 25, 25] Generated Node #0,1: 99:[54, 25, 25] Operation: 85-60=25 Moving to Node #0,0 Current State: 99:[85, 25, 6], Operations: ['60-54=6'] Exploring Operation: 85+25=110, Resulting Numbers: [6, 110] Generated Node #0,0,0: 99:[6, 110] Operation: 85+25=110 Exploring Operation: 85+6=91, Resulting Numbers: [25, 91] Generated Node #0,0,1: 99:[25, 91] Operation: 85+6=91 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[6, 110], Operations: ['60-54=6', '85+25=110'] Exploring Operation: 6+110=116, Resulting Numbers: [116] 116,99 unequal: No Solution Exploring Operation: 110-6=104, Resulting Numbers: [104] 104,99 unequal: No Solution No 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: 99:[25, 91], Operations: ['60-54=6', '85+6=91'] Exploring Operation: 91-25=66, Resulting Numbers: [66] 66,99 unequal: No Solution Exploring Operation: 25+91=116, Resulting Numbers: [116] 116,99 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: 99:[54, 25, 25], Operations: ['85-60=25'] Exploring Operation: 54-25=29, Resulting Numbers: [25, 29] Generated Node #0,1,0: 99:[25, 29] Operation: 54-25=29 Exploring Operation: 54-25=29, Resulting Numbers: [25, 29] Generated Node #0,1,1: 99:[25, 29] Operation: 54-25=29 Moving to Node #0,1,0 Current State: 99:[25, 29], Operations: ['85-60=25', '54-25=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[25, 29], Operations: ['85-60=25', '54-25=29'] Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,99 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 23, 54, 34, 15 ]
37
[ "54+15=69", "69/23=3", "34+3=37" ]
Current State: 37:[23, 54, 34, 15], Operations: [] Exploring Operation: 54+15=69, Resulting Numbers: [23, 34, 69] Generated Node #2: [23, 34, 69] from Operation: 54+15=69 Current State: 37:[23, 34, 69], Operations: ['54+15=69'] Exploring Operation: 69/23=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 69/23=3 Current State: 37:[34, 3], Operations: ['54+15=69', '69/23=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[23, 54, 34, 15], Operations: [] Exploring Operation: 54-15=39, Resulting Numbers: [23, 34, 39] Generated Node #0,0: 37:[23, 34, 39] Operation: 54-15=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[23, 34, 39], Operations: ['54-15=39'] Exploring Operation: 23+34=57, Resulting Numbers: [39, 57] Generated Node #0,0,0: 37:[39, 57] Operation: 23+34=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[39, 57], Operations: ['54-15=39', '23+34=57'] Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 64, 5, 50, 12 ]
86
[ "64+12=76", "50/5=10", "76+10=86" ]
Current State: 86:[64, 5, 50, 12], Operations: [] Exploring Operation: 64+12=76, Resulting Numbers: [5, 50, 76] Generated Node #2: [5, 50, 76] from Operation: 64+12=76 Current State: 86:[5, 50, 76], Operations: ['64+12=76'] Exploring Operation: 50/5=10, Resulting Numbers: [76, 10] Generated Node #3: [76, 10] from Operation: 50/5=10 Current State: 86:[76, 10], Operations: ['64+12=76', '50/5=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[64, 5, 50, 12], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [5, 50, 52] Generated Node #0,0: 86:[5, 50, 52] Operation: 64-12=52 Exploring Operation: 64+12=76, Resulting Numbers: [5, 50, 76] Generated Node #0,1: 86:[5, 50, 76] Operation: 64+12=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[5, 50, 52], Operations: ['64-12=52'] Exploring Operation: 52-50=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 86:[5, 2] Operation: 52-50=2 Exploring Operation: 50-5=45, Resulting Numbers: [52, 45] Generated Node #0,0,1: 86:[52, 45] Operation: 50-5=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[5, 2], Operations: ['64-12=52', '52-50=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,86 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:[52, 45], Operations: ['64-12=52', '50-5=45'] Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 52+45=97, Resulting Numbers: [97] 97,86 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 #0,1 Current State: 86:[5, 50, 76], Operations: ['64+12=76'] Exploring Operation: 50-5=45, Resulting Numbers: [76, 45] Generated Node #0,1,0: 86:[76, 45] Operation: 50-5=45 Exploring Operation: 5+76=81, Resulting Numbers: [50, 81] Generated Node #0,1,1: 86:[50, 81] Operation: 5+76=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[76, 45], Operations: ['64+12=76', '50-5=45'] Exploring Operation: 76+45=121, Resulting Numbers: [121] 121,86 unequal: No Solution Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,86 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:[50, 81], Operations: ['64+12=76', '5+76=81'] Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,86 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_2
mult_heuristic
[ 29, 99, 7, 28 ]
14
[ "99-29=70", "28+70=98", "98/7=14" ]
Current State: 14:[29, 99, 7, 28], Operations: [] Exploring Operation: 99-29=70, Resulting Numbers: [7, 28, 70] Generated Node #2: [7, 28, 70] from Operation: 99-29=70 Current State: 14:[7, 28, 70], Operations: ['99-29=70'] Exploring Operation: 28+70=98, Resulting Numbers: [7, 98] Generated Node #3: [7, 98] from Operation: 28+70=98 Current State: 14:[7, 98], Operations: ['99-29=70', '28+70=98'] Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[29, 99, 7, 28], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [99, 7, 1] Generated Node #0,0: 14:[99, 7, 1] Operation: 29-28=1 Exploring Operation: 28/7=4, Resulting Numbers: [29, 99, 4] Generated Node #0,1: 14:[29, 99, 4] Operation: 28/7=4 Exploring Operation: 99-29=70, Resulting Numbers: [7, 28, 70] Generated Node #0,2: 14:[7, 28, 70] Operation: 99-29=70 Exploring Operation: 99-28=71, Resulting Numbers: [29, 7, 71] Generated Node #0,3: 14:[29, 7, 71] Operation: 99-28=71 Moving to Node #0,2 Current State: 14:[7, 28, 70], Operations: ['99-29=70'] Exploring Operation: 28-7=21, Resulting Numbers: [70, 21] Generated Node #0,2,0: 14:[70, 21] Operation: 28-7=21 Exploring Operation: 70-28=42, Resulting Numbers: [7, 42] Generated Node #0,2,1: 14:[7, 42] Operation: 70-28=42 Exploring Operation: 70/7=10, Resulting Numbers: [28, 10] Generated Node #0,2,2: 14:[28, 10] Operation: 70/7=10 Exploring Operation: 28/7=4, Resulting Numbers: [70, 4] Generated Node #0,2,3: 14:[70, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[28, 10], Operations: ['99-29=70', '70/7=10'] Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,14 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 #0,2,1 Current State: 14:[7, 42], Operations: ['99-29=70', '70-28=42'] Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,14 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,14 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,14 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 #0,2,3 Current State: 14:[70, 4], Operations: ['99-29=70', '28/7=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,14 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,14 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 #0,2,0 Current State: 14:[70, 21], Operations: ['99-29=70', '28-7=21'] Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,14 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,14 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: 14:[29, 7, 71], Operations: ['99-28=71'] Exploring Operation: 71-7=64, Resulting Numbers: [29, 64] Generated Node #0,3,0: 14:[29, 64] Operation: 71-7=64 Exploring Operation: 71-29=42, Resulting Numbers: [7, 42] Generated Node #0,3,1: 14:[7, 42] Operation: 71-29=42 Exploring Operation: 29-7=22, Resulting Numbers: [71, 22] Generated Node #0,3,2: 14:[71, 22] Operation: 29-7=22 Exploring Operation: 29+7=36, Resulting Numbers: [71, 36] Generated Node #0,3,3: 14:[71, 36] Operation: 29+7=36 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[7, 42], Operations: ['99-28=71', '71-29=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,14 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[29, 64], Operations: ['99-28=71', '71-7=64'] Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,14 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,14 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[71, 22], Operations: ['99-28=71', '29-7=22'] Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,14 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[71, 36], Operations: ['99-28=71', '29+7=36'] Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,14 unequal: No Solution Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 14:[99, 7, 1], Operations: ['29-28=1'] Exploring Operation: 99*1=99, Resulting Numbers: [7, 99] Generated Node #0,0,0: 14:[7, 99] Operation: 99*1=99 Exploring Operation: 99/1=99, Resulting Numbers: [7, 99] Generated Node #0,0,1: 14:[7, 99] Operation: 99/1=99 Exploring Operation: 99-7=92, Resulting Numbers: [1, 92] Generated Node #0,0,2: 14:[1, 92] Operation: 99-7=92 Exploring Operation: 99-1=98, Resulting Numbers: [7, 98] Generated Node #0,0,3: 14:[7, 98] Operation: 99-1=98 Moving to Node #0,1 Current State: 14:[29, 99, 4], Operations: ['28/7=4'] Exploring Operation: 29-4=25, Resulting Numbers: [99, 25] Generated Node #0,1,0: 14:[99, 25] Operation: 29-4=25 Exploring Operation: 99-29=70, Resulting Numbers: [4, 70] Generated Node #0,1,1: 14:[4, 70] Operation: 99-29=70 Exploring Operation: 29+4=33, Resulting Numbers: [99, 33] Generated Node #0,1,2: 14:[99, 33] Operation: 29+4=33 Exploring Operation: 99-4=95, Resulting Numbers: [29, 95] Generated Node #0,1,3: 14:[29, 95] Operation: 99-4=95 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[4, 70], Operations: ['28/7=4', '99-29=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,14 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[99, 25], Operations: ['28/7=4', '29-4=25'] Exploring Operation: 99-25=74, Resulting Numbers: [74] 74,14 unequal: No Solution Exploring Operation: 99+25=124, Resulting Numbers: [124] 124,14 unequal: No Solution Exploring Operation: 99*25=2475, Resulting Numbers: [2475] 2475,14 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 #0,1,3 Current State: 14:[29, 95], Operations: ['28/7=4', '99-4=95'] Exploring Operation: 29*95=2755, Resulting Numbers: [2755] 2755,14 unequal: No Solution Exploring Operation: 95-29=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 29+95=124, Resulting Numbers: [124] 124,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[99, 33], Operations: ['28/7=4', '29+4=33'] Exploring Operation: 99+33=132, Resulting Numbers: [132] 132,14 unequal: No Solution Exploring Operation: 99*33=3267, Resulting Numbers: [3267] 3267,14 unequal: No Solution Exploring Operation: 99/33=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 99-33=66, Resulting Numbers: [66] 66,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 14:[1, 92], Operations: ['29-28=1', '99-7=92'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,14 unequal: No Solution Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,14 unequal: No Solution Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,14 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,14 unequal: No Solution Moving to Node #0,0,3 Current State: 14:[7, 98], Operations: ['29-28=1', '99-1=98'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,14 unequal: No Solution Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[29, 99, 7, 28], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [99, 7, 1] Generated Node #0,0: 14:[99, 7, 1] Operation: 29-28=1 Moving to Node #0,0 Current State: 14:[99, 7, 1], Operations: ['29-28=1'] Exploring Operation: 99-1=98, Resulting Numbers: [7, 98] Generated Node #0,0,3: 14:[7, 98] Operation: 99-1=98 Moving to Node #0,0,3 Current State: 14:[7, 98], Operations: ['29-28=1', '99-1=98'] Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.940104
hs_4
mult_heuristic
[ 54, 19, 58, 7 ]
83
[ "58-54=4", "19*4=76", "7+76=83" ]
Current State: 83:[54, 19, 58, 7], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [19, 7, 4] Generated Node #2: [19, 7, 4] from Operation: 58-54=4 Current State: 83:[19, 7, 4], Operations: ['58-54=4'] Exploring Operation: 19*4=76, Resulting Numbers: [7, 76] Generated Node #3: [7, 76] from Operation: 19*4=76 Current State: 83:[7, 76], Operations: ['58-54=4', '19*4=76'] Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[54, 19, 58, 7], Operations: [] Exploring Operation: 54+19=73, Resulting Numbers: [58, 7, 73] Generated Node #0,0: 83:[58, 7, 73] Operation: 54+19=73 Exploring Operation: 19*7=133, Resulting Numbers: [54, 58, 133] Generated Node #0,1: 83:[54, 58, 133] Operation: 19*7=133 Moving to Node #0,1 Current State: 83:[54, 58, 133], Operations: ['19*7=133'] Exploring Operation: 133-58=75, Resulting Numbers: [54, 75] Generated Node #0,1,0: 83:[54, 75] Operation: 133-58=75 Exploring Operation: 133-54=79, Resulting Numbers: [58, 79] Generated Node #0,1,1: 83:[58, 79] Operation: 133-54=79 Moving to Node #0,0 Current State: 83:[58, 7, 73], Operations: ['54+19=73'] Exploring Operation: 58+7=65, Resulting Numbers: [73, 65] Generated Node #0,0,0: 83:[73, 65] Operation: 58+7=65 Exploring Operation: 7+73=80, Resulting Numbers: [58, 80] Generated Node #0,0,1: 83:[58, 80] Operation: 7+73=80 Moving to Node #0,0,0 Current State: 83:[73, 65], Operations: ['54+19=73', '58+7=65'] Exploring Operation: 73+65=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[58, 80], Operations: ['54+19=73', '7+73=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[58, 79], Operations: ['19*7=133', '133-54=79'] Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 58+79=137, Resulting Numbers: [137] 137,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[54, 75], Operations: ['19*7=133', '133-58=75'] Exploring Operation: 54+75=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 75-54=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 70, 89, 5, 7 ]
45
[ "70*7=490", "89*5=445", "490-445=45" ]
Current State: 45:[70, 89, 5, 7], Operations: [] Exploring Operation: 70*7=490, Resulting Numbers: [89, 5, 490] Generated Node #2: [89, 5, 490] from Operation: 70*7=490 Current State: 45:[89, 5, 490], Operations: ['70*7=490'] Exploring Operation: 89*5=445, Resulting Numbers: [490, 445] Generated Node #3: [490, 445] from Operation: 89*5=445 Current State: 45:[490, 445], Operations: ['70*7=490', '89*5=445'] Exploring Operation: 490-445=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[70, 89, 5, 7], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [89, 5, 10] Generated Node #0,0: 45:[89, 5, 10] Operation: 70/7=10 Exploring Operation: 89-70=19, Resulting Numbers: [5, 7, 19] Generated Node #0,1: 45:[5, 7, 19] Operation: 89-70=19 Moving to Node #0,1 Current State: 45:[5, 7, 19], Operations: ['89-70=19'] Exploring Operation: 19-7=12, Resulting Numbers: [5, 12] Generated Node #0,1,0: 45:[5, 12] Operation: 19-7=12 Exploring Operation: 19-5=14, Resulting Numbers: [7, 14] Generated Node #0,1,1: 45:[7, 14] Operation: 19-5=14 Moving to Node #0,0 Current State: 45:[89, 5, 10], Operations: ['70/7=10'] Exploring Operation: 89-10=79, Resulting Numbers: [5, 79] Generated Node #0,0,0: 45:[5, 79] Operation: 89-10=79 Exploring Operation: 89-5=84, Resulting Numbers: [10, 84] Generated Node #0,0,1: 45:[10, 84] Operation: 89-5=84 Moving to Node #0,1,0 Current State: 45:[5, 12], Operations: ['89-70=19', '19-7=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[7, 14], Operations: ['89-70=19', '19-5=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[5, 79], Operations: ['70/7=10', '89-10=79'] Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,45 unequal: No Solution Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[10, 84], Operations: ['70/7=10', '89-5=84'] Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,45 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 88, 24, 4, 3 ]
12
[ "88-4=84", "24*3=72", "84-72=12" ]
Current State: 12:[88, 24, 4, 3], Operations: [] Exploring Operation: 88-4=84, Resulting Numbers: [24, 3, 84] Generated Node #2: [24, 3, 84] from Operation: 88-4=84 Current State: 12:[24, 3, 84], Operations: ['88-4=84'] Exploring Operation: 24*3=72, Resulting Numbers: [84, 72] Generated Node #3: [84, 72] from Operation: 24*3=72 Current State: 12:[84, 72], Operations: ['88-4=84', '24*3=72'] Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[88, 24, 4, 3], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [88, 3, 6] Generated Node #0,0: 12:[88, 3, 6] Operation: 24/4=6 Exploring Operation: 88/4=22, Resulting Numbers: [24, 3, 22] Generated Node #0,1: 12:[24, 3, 22] Operation: 88/4=22 Exploring Operation: 88-24=64, Resulting Numbers: [4, 3, 64] Generated Node #0,2: 12:[4, 3, 64] Operation: 88-24=64 Exploring Operation: 24/3=8, Resulting Numbers: [88, 4, 8] Generated Node #0,3: 12:[88, 4, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[24, 3, 22], Operations: ['88/4=22'] Exploring Operation: 24-3=21, Resulting Numbers: [22, 21] Generated Node #0,1,0: 12:[22, 21] Operation: 24-3=21 Exploring Operation: 24/3=8, Resulting Numbers: [22, 8] Generated Node #0,1,1: 12:[22, 8] Operation: 24/3=8 Exploring Operation: 22-3=19, Resulting Numbers: [24, 19] Generated Node #0,1,2: 12:[24, 19] Operation: 22-3=19 Exploring Operation: 24-22=2, Resulting Numbers: [3, 2] Generated Node #0,1,3: 12:[3, 2] Operation: 24-22=2 Moving to Node #0,1,3 Current State: 12:[3, 2], Operations: ['88/4=22', '24-22=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[22, 8], Operations: ['88/4=22', '24/3=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,12 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[24, 19], Operations: ['88/4=22', '22-3=19'] Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,12 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[22, 21], Operations: ['88/4=22', '24-3=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,12 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 Current State: 12:[4, 3, 64], Operations: ['88-24=64'] Exploring Operation: 64-3=61, Resulting Numbers: [4, 61] Generated Node #0,2,0: 12:[4, 61] Operation: 64-3=61 Exploring Operation: 64-4=60, Resulting Numbers: [3, 60] Generated Node #0,2,1: 12:[3, 60] Operation: 64-4=60 Exploring Operation: 64/4=16, Resulting Numbers: [3, 16] Generated Node #0,2,2: 12:[3, 16] Operation: 64/4=16 Exploring Operation: 4*3=12, Resulting Numbers: [64, 12] Generated Node #0,2,3: 12:[64, 12] Operation: 4*3=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 12:[3, 16], Operations: ['88-24=64', '64/4=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,12 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: 12:[3, 60], Operations: ['88-24=64', '64-4=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,12 unequal: No Solution Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,12 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,12 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: 12:[4, 61], Operations: ['88-24=64', '64-3=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,12 unequal: No Solution Exploring Operation: 4*61=244, Resulting Numbers: [244] 244,12 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: 12:[64, 12], Operations: ['88-24=64', '4*3=12'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,12 unequal: No Solution Exploring Operation: 64*12=768, Resulting Numbers: [768] 768,12 unequal: No Solution Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,12 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: 12:[88, 3, 6], Operations: ['24/4=6'] Exploring Operation: 6/3=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 12:[88, 2] Operation: 6/3=2 Exploring Operation: 88-6=82, Resulting Numbers: [3, 82] Generated Node #0,0,1: 12:[3, 82] Operation: 88-6=82 Exploring Operation: 6-3=3, Resulting Numbers: [88, 3] Generated Node #0,0,2: 12:[88, 3] Operation: 6-3=3 Exploring Operation: 88-3=85, Resulting Numbers: [6, 85] Generated Node #0,0,3: 12:[6, 85] Operation: 88-3=85 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[3, 82], Operations: ['24/4=6', '88-6=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,12 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,12 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: 12:[6, 85], Operations: ['24/4=6', '88-3=85'] Exploring Operation: 6*85=510, Resulting Numbers: [510] 510,12 unequal: No Solution Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 6+85=91, Resulting Numbers: [91] 91,12 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: 12:[88, 2], Operations: ['24/4=6', '6/3=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 88*2=176, Resulting Numbers: [176] 176,12 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,12 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,12 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: 12:[88, 3], Operations: ['24/4=6', '6-3=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,12 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: 12:[88, 4, 8], Operations: ['24/3=8'] Exploring Operation: 88-4=84, Resulting Numbers: [8, 84] Generated Node #0,3,0: 12:[8, 84] Operation: 88-4=84 Exploring Operation: 88/8=11, Resulting Numbers: [4, 11] Generated Node #0,3,1: 12:[4, 11] Operation: 88/8=11 Exploring Operation: 88/4=22, Resulting Numbers: [8, 22] Generated Node #0,3,2: 12:[8, 22] Operation: 88/4=22 Exploring Operation: 88-8=80, Resulting Numbers: [4, 80] Generated Node #0,3,3: 12:[4, 80] Operation: 88-8=80 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 12:[4, 11], Operations: ['24/3=8', '88/8=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 12:[8, 22], Operations: ['24/3=8', '88/4=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,12 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 12:[4, 80], Operations: ['24/3=8', '88-8=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 4*80=320, Resulting Numbers: [320] 320,12 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,12 unequal: No Solution Exploring Operation: 4+80=84, Resulting Numbers: [84] 84,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 12:[8, 84], Operations: ['24/3=8', '88-4=84'] Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,12 unequal: No Solution Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,12 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 26, 52, 50, 74 ]
22
[ "52/26=2", "74-50=24", "24-2=22" ]
Current State: 22:[26, 52, 50, 74], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [50, 74, 2] Generated Node #2: [50, 74, 2] from Operation: 52/26=2 Current State: 22:[50, 74, 2], Operations: ['52/26=2'] Exploring Operation: 74-50=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 74-50=24 Current State: 22:[2, 24], Operations: ['52/26=2', '74-50=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[26, 52, 50, 74], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [26, 74, 2] Generated Node #0,0: 22:[26, 74, 2] Operation: 52-50=2 Exploring Operation: 74-52=22, Resulting Numbers: [26, 50, 22] Generated Node #0,1: 22:[26, 50, 22] Operation: 74-52=22 Exploring Operation: 74-50=24, Resulting Numbers: [26, 52, 24] Generated Node #0,2: 22:[26, 52, 24] Operation: 74-50=24 Exploring Operation: 52/26=2, Resulting Numbers: [50, 74, 2] Generated Node #0,3: 22:[50, 74, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[26, 50, 22], Operations: ['74-52=22'] Exploring Operation: 50-26=24, Resulting Numbers: [22, 24] Generated Node #0,1,0: 22:[22, 24] Operation: 50-26=24 Exploring Operation: 26-22=4, Resulting Numbers: [50, 4] Generated Node #0,1,1: 22:[50, 4] Operation: 26-22=4 Exploring Operation: 50-22=28, Resulting Numbers: [26, 28] Generated Node #0,1,2: 22:[26, 28] Operation: 50-22=28 Exploring Operation: 26+50=76, Resulting Numbers: [22, 76] Generated Node #0,1,3: 22:[22, 76] Operation: 26+50=76 Moving to Node #0,1,0 Current State: 22:[22, 24], Operations: ['74-52=22', '50-26=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,22 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[26, 28], Operations: ['74-52=22', '50-22=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,22 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[50, 4], Operations: ['74-52=22', '26-22=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,22 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[22, 76], Operations: ['74-52=22', '26+50=76'] Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,22 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,22 unequal: No Solution No 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: 22:[26, 52, 24], Operations: ['74-50=24'] Exploring Operation: 26-24=2, Resulting Numbers: [52, 2] Generated Node #0,2,0: 22:[52, 2] Operation: 26-24=2 Exploring Operation: 52-26=26, Resulting Numbers: [24, 26] Generated Node #0,2,1: 22:[24, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [24, 2] Generated Node #0,2,2: 22:[24, 2] Operation: 52/26=2 Exploring Operation: 52-24=28, Resulting Numbers: [26, 28] Generated Node #0,2,3: 22:[26, 28] Operation: 52-24=28 Moving to Node #0,2,2 Current State: 22:[24, 2], Operations: ['74-50=24', '52/26=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[26, 52, 50, 74], Operations: [] Exploring Operation: 74-50=24, Resulting Numbers: [26, 52, 24] Generated Node #0,2: 22:[26, 52, 24] Operation: 74-50=24 Moving to Node #0,2 Current State: 22:[26, 52, 24], Operations: ['74-50=24'] Exploring Operation: 52/26=2, Resulting Numbers: [24, 2] Generated Node #0,2,2: 22:[24, 2] Operation: 52/26=2 Moving to Node #0,2,2 Current State: 22:[24, 2], Operations: ['74-50=24', '52/26=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 4, 3, 38, 44 ]
66
[ "4+44=48", "3*38=114", "114-48=66" ]
Current State: 66:[4, 3, 38, 44], Operations: [] Exploring Operation: 4+44=48, Resulting Numbers: [3, 38, 48] Generated Node #2: [3, 38, 48] from Operation: 4+44=48 Current State: 66:[3, 38, 48], Operations: ['4+44=48'] Exploring Operation: 3*38=114, Resulting Numbers: [48, 114] Generated Node #3: [48, 114] from Operation: 3*38=114 Current State: 66:[48, 114], Operations: ['4+44=48', '3*38=114'] Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[4, 3, 38, 44], Operations: [] Exploring Operation: 44/4=11, Resulting Numbers: [3, 38, 11] Generated Node #0,0: 66:[3, 38, 11] Operation: 44/4=11 Exploring Operation: 44-38=6, Resulting Numbers: [4, 3, 6] Generated Node #0,1: 66:[4, 3, 6] Operation: 44-38=6 Exploring Operation: 38-4=34, Resulting Numbers: [3, 44, 34] Generated Node #0,2: 66:[3, 44, 34] Operation: 38-4=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[4, 3, 6], Operations: ['44-38=6'] Exploring Operation: 6-4=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 66:[3, 2] Operation: 6-4=2 Exploring Operation: 4+3=7, Resulting Numbers: [6, 7] Generated Node #0,1,1: 66:[6, 7] Operation: 4+3=7 Exploring Operation: 4*3=12, Resulting Numbers: [6, 12] Generated Node #0,1,2: 66:[6, 12] Operation: 4*3=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[3, 2], Operations: ['44-38=6', '6-4=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,66 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,66 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: 66:[6, 7], Operations: ['44-38=6', '4+3=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,66 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: 66:[6, 12], Operations: ['44-38=6', '4*3=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,66 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: 66:[3, 38, 11], Operations: ['44/4=11'] Exploring Operation: 3*11=33, Resulting Numbers: [38, 33] Generated Node #0,0,0: 66:[38, 33] Operation: 3*11=33 Exploring Operation: 38-11=27, Resulting Numbers: [3, 27] Generated Node #0,0,1: 66:[3, 27] Operation: 38-11=27 Exploring Operation: 38-3=35, Resulting Numbers: [11, 35] Generated Node #0,0,2: 66:[11, 35] Operation: 38-3=35 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 66:[11, 35], Operations: ['44/4=11', '38-3=35'] Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,66 unequal: No Solution Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,66 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: 66:[38, 33], Operations: ['44/4=11', '3*11=33'] Exploring Operation: 38*33=1254, Resulting Numbers: [1254] 1254,66 unequal: No Solution Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,66 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,66 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: 66:[3, 27], Operations: ['44/4=11', '38-11=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,66 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: 66:[3, 44, 34], Operations: ['38-4=34'] Exploring Operation: 44-3=41, Resulting Numbers: [34, 41] Generated Node #0,2,0: 66:[34, 41] Operation: 44-3=41 Exploring Operation: 44-34=10, Resulting Numbers: [3, 10] Generated Node #0,2,1: 66:[3, 10] Operation: 44-34=10 Exploring Operation: 44+34=78, Resulting Numbers: [3, 78] Generated Node #0,2,2: 66:[3, 78] Operation: 44+34=78 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[3, 10], Operations: ['38-4=34', '44-34=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,66 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: 66:[34, 41], Operations: ['38-4=34', '44-3=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,66 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,66 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: 66:[3, 78], Operations: ['38-4=34', '44+34=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,66 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,66 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
[ 12, 43, 44, 83 ]
95
[ "12+83=95", "44-43=1", "95*1=95" ]
Current State: 95:[12, 43, 44, 83], Operations: [] Exploring Operation: 12+83=95, Resulting Numbers: [43, 44, 95] Generated Node #2: [43, 44, 95] from Operation: 12+83=95 Current State: 95:[43, 44, 95], Operations: ['12+83=95'] Exploring Operation: 44-43=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 44-43=1 Current State: 95:[95, 1], Operations: ['12+83=95', '44-43=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[12, 43, 44, 83], Operations: [] Exploring Operation: 43-12=31, Resulting Numbers: [44, 83, 31] Generated Node #0,0: 95:[44, 83, 31] Operation: 43-12=31 Exploring Operation: 44-43=1, Resulting Numbers: [12, 83, 1] Generated Node #0,1: 95:[12, 83, 1] Operation: 44-43=1 Exploring Operation: 43+44=87, Resulting Numbers: [12, 83, 87] Generated Node #0,2: 95:[12, 83, 87] Operation: 43+44=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[12, 83, 1], Operations: ['44-43=1'] Exploring Operation: 12+83=95, Resulting Numbers: [1, 95] Generated Node #0,1,0: 95:[1, 95] Operation: 12+83=95 Exploring Operation: 12-1=11, Resulting Numbers: [83, 11] Generated Node #0,1,1: 95:[83, 11] Operation: 12-1=11 Exploring Operation: 12+1=13, Resulting Numbers: [83, 13] Generated Node #0,1,2: 95:[83, 13] Operation: 12+1=13 Moving to Node #0,1,0 Current State: 95:[1, 95], Operations: ['44-43=1', '12+83=95'] Exploring Operation: 1*95=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[12, 43, 44, 83], Operations: [] Exploring Operation: 44-43=1, Resulting Numbers: [12, 83, 1] Generated Node #0,1: 95:[12, 83, 1] Operation: 44-43=1 Moving to Node #0,1 Current State: 95:[12, 83, 1], Operations: ['44-43=1'] Exploring Operation: 12+83=95, Resulting Numbers: [1, 95] Generated Node #0,1,0: 95:[1, 95] Operation: 12+83=95 Moving to Node #0,1,0 Current State: 95:[1, 95], Operations: ['44-43=1', '12+83=95'] Exploring Operation: 1*95=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 1, 41, 80, 35 ]
37
[ "41-1=40", "80/40=2", "35+2=37" ]
Current State: 37:[1, 41, 80, 35], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [80, 35, 40] Generated Node #2: [80, 35, 40] from Operation: 41-1=40 Current State: 37:[80, 35, 40], Operations: ['41-1=40'] Exploring Operation: 80/40=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 80/40=2 Current State: 37:[35, 2], Operations: ['41-1=40', '80/40=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[1, 41, 80, 35], Operations: [] Exploring Operation: 80-41=39, Resulting Numbers: [1, 35, 39] Generated Node #0,0: 37:[1, 35, 39] Operation: 80-41=39 Exploring Operation: 41-1=40, Resulting Numbers: [80, 35, 40] Generated Node #0,1: 37:[80, 35, 40] Operation: 41-1=40 Exploring Operation: 80-1=79, Resulting Numbers: [41, 35, 79] Generated Node #0,2: 37:[41, 35, 79] Operation: 80-1=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[1, 35, 39], Operations: ['80-41=39'] Exploring Operation: 39-1=38, Resulting Numbers: [35, 38] Generated Node #0,0,0: 37:[35, 38] Operation: 39-1=38 Exploring Operation: 1*35=35, Resulting Numbers: [39, 35] Generated Node #0,0,1: 37:[39, 35] Operation: 1*35=35 Exploring Operation: 1+35=36, Resulting Numbers: [39, 36] Generated Node #0,0,2: 37:[39, 36] Operation: 1+35=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[35, 38], Operations: ['80-41=39', '39-1=38'] Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,37 unequal: No Solution Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,37 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: 37:[39, 36], Operations: ['80-41=39', '1+35=36'] Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,37 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,37 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: 37:[39, 35], Operations: ['80-41=39', '1*35=35'] Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,37 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,37 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: 37:[80, 35, 40], Operations: ['41-1=40'] Exploring Operation: 80-40=40, Resulting Numbers: [35, 40] Generated Node #0,1,0: 37:[35, 40] Operation: 80-40=40 Exploring Operation: 80/40=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 37:[35, 2] Operation: 80/40=2 Exploring Operation: 80-35=45, Resulting Numbers: [40, 45] Generated Node #0,1,2: 37:[40, 45] Operation: 80-35=45 Moving to Node #0,1,0 Current State: 37:[35, 40], Operations: ['41-1=40', '80-40=40'] Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,37 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[40, 45], Operations: ['41-1=40', '80-35=45'] Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,37 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[35, 2], Operations: ['41-1=40', '80/40=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[1, 41, 80, 35], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [80, 35, 40] Generated Node #0,1: 37:[80, 35, 40] Operation: 41-1=40 Moving to Node #0,1 Current State: 37:[80, 35, 40], Operations: ['41-1=40'] Exploring Operation: 80/40=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 37:[35, 2] Operation: 80/40=2 Moving to Node #0,1,1 Current State: 37:[35, 2], Operations: ['41-1=40', '80/40=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
mult_heuristic
[ 3, 34, 83, 93 ]
18
[ "93/3=31", "83-34=49", "49-31=18" ]
Current State: 18:[3, 34, 83, 93], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [34, 83, 31] Generated Node #2: [34, 83, 31] from Operation: 93/3=31 Current State: 18:[34, 83, 31], Operations: ['93/3=31'] Exploring Operation: 83-34=49, Resulting Numbers: [31, 49] Generated Node #3: [31, 49] from Operation: 83-34=49 Current State: 18:[31, 49], Operations: ['93/3=31', '83-34=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[3, 34, 83, 93], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [3, 34, 10] Generated Node #0,0: 18:[3, 34, 10] Operation: 93-83=10 Exploring Operation: 83-34=49, Resulting Numbers: [3, 93, 49] Generated Node #0,1: 18:[3, 93, 49] Operation: 83-34=49 Exploring Operation: 93/3=31, Resulting Numbers: [34, 83, 31] Generated Node #0,2: 18:[34, 83, 31] Operation: 93/3=31 Exploring Operation: 93-34=59, Resulting Numbers: [3, 83, 59] Generated Node #0,3: 18:[3, 83, 59] Operation: 93-34=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[3, 34, 10], Operations: ['93-83=10'] Exploring Operation: 10-3=7, Resulting Numbers: [34, 7] Generated Node #0,0,0: 18:[34, 7] Operation: 10-3=7 Exploring Operation: 34-3=31, Resulting Numbers: [10, 31] Generated Node #0,0,1: 18:[10, 31] Operation: 34-3=31 Exploring Operation: 3+34=37, Resulting Numbers: [10, 37] Generated Node #0,0,2: 18:[10, 37] Operation: 3+34=37 Exploring Operation: 34-10=24, Resulting Numbers: [3, 24] Generated Node #0,0,3: 18:[3, 24] Operation: 34-10=24 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 18:[3, 24], Operations: ['93-83=10', '34-10=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,18 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,18 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: 18:[10, 31], Operations: ['93-83=10', '34-3=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,18 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: 18:[34, 7], Operations: ['93-83=10', '10-3=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,18 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,18 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,18 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: 18:[10, 37], Operations: ['93-83=10', '3+34=37'] Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,18 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,18 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,18 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: 18:[34, 83, 31], Operations: ['93/3=31'] Exploring Operation: 34-31=3, Resulting Numbers: [83, 3] Generated Node #0,2,0: 18:[83, 3] Operation: 34-31=3 Exploring Operation: 83-31=52, Resulting Numbers: [34, 52] Generated Node #0,2,1: 18:[34, 52] Operation: 83-31=52 Exploring Operation: 34+83=117, Resulting Numbers: [31, 117] Generated Node #0,2,2: 18:[31, 117] Operation: 34+83=117 Exploring Operation: 83-34=49, Resulting Numbers: [31, 49] Generated Node #0,2,3: 18:[31, 49] Operation: 83-34=49 Moving to Node #0,2,3 Current State: 18:[31, 49], Operations: ['93/3=31', '83-34=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[3, 34, 83, 93], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [34, 83, 31] Generated Node #0,2: 18:[34, 83, 31] Operation: 93/3=31 Moving to Node #0,2 Current State: 18:[34, 83, 31], Operations: ['93/3=31'] Exploring Operation: 83-34=49, Resulting Numbers: [31, 49] Generated Node #0,2,3: 18:[31, 49] Operation: 83-34=49 Moving to Node #0,2,3 Current State: 18:[31, 49], Operations: ['93/3=31', '83-34=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 72, 4, 2, 91 ]
53
[ "72+4=76", "76/2=38", "91-38=53" ]
Current State: 53:[72, 4, 2, 91], Operations: [] Exploring Operation: 72+4=76, Resulting Numbers: [2, 91, 76] Generated Node #2: [2, 91, 76] from Operation: 72+4=76 Current State: 53:[2, 91, 76], Operations: ['72+4=76'] Exploring Operation: 76/2=38, Resulting Numbers: [91, 38] Generated Node #3: [91, 38] from Operation: 76/2=38 Current State: 53:[91, 38], Operations: ['72+4=76', '76/2=38'] Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[72, 4, 2, 91], Operations: [] Exploring Operation: 72-2=70, Resulting Numbers: [4, 91, 70] Generated Node #0,0: 53:[4, 91, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [4, 91, 36] Generated Node #0,1: 53:[4, 91, 36] Operation: 72/2=36 Exploring Operation: 4+2=6, Resulting Numbers: [72, 91, 6] Generated Node #0,2: 53:[72, 91, 6] Operation: 4+2=6 Exploring Operation: 4*2=8, Resulting Numbers: [72, 91, 8] Generated Node #0,3: 53:[72, 91, 8] Operation: 4*2=8 Exploring Operation: 72-4=68, Resulting Numbers: [2, 91, 68] Generated Node #0,4: 53:[2, 91, 68] Operation: 72-4=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[72, 91, 8], Operations: ['4*2=8'] Exploring Operation: 72+8=80, Resulting Numbers: [91, 80] Generated Node #0,3,0: 53:[91, 80] Operation: 72+8=80 Exploring Operation: 72-8=64, Resulting Numbers: [91, 64] Generated Node #0,3,1: 53:[91, 64] Operation: 72-8=64 Exploring Operation: 91-72=19, Resulting Numbers: [8, 19] Generated Node #0,3,2: 53:[8, 19] Operation: 91-72=19 Exploring Operation: 91+8=99, Resulting Numbers: [72, 99] Generated Node #0,3,3: 53:[72, 99] Operation: 91+8=99 Exploring Operation: 91-8=83, Resulting Numbers: [72, 83] Generated Node #0,3,4: 53:[72, 83] Operation: 91-8=83 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 53:[91, 64], Operations: ['4*2=8', '72-8=64'] Exploring Operation: 91+64=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 91-64=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 91*64=5824, Resulting Numbers: [5824] 5824,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 53:[72, 83], Operations: ['4*2=8', '91-8=83'] Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 53:[91, 80], Operations: ['4*2=8', '72+8=80'] Exploring Operation: 91*80=7280, Resulting Numbers: [7280] 7280,53 unequal: No Solution Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 91+80=171, Resulting Numbers: [171] 171,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 53:[72, 99], Operations: ['4*2=8', '91+8=99'] Exploring Operation: 72+99=171, Resulting Numbers: [171] 171,53 unequal: No Solution Exploring Operation: 72*99=7128, Resulting Numbers: [7128] 7128,53 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 53:[8, 19], Operations: ['4*2=8', '91-72=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,53 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: 53:[4, 91, 70], Operations: ['72-2=70'] Exploring Operation: 91-4=87, Resulting Numbers: [70, 87] Generated Node #0,0,0: 53:[70, 87] Operation: 91-4=87 Exploring Operation: 91-70=21, Resulting Numbers: [4, 21] Generated Node #0,0,1: 53:[4, 21] Operation: 91-70=21 Exploring Operation: 4+70=74, Resulting Numbers: [91, 74] Generated Node #0,0,2: 53:[91, 74] Operation: 4+70=74 Exploring Operation: 4+91=95, Resulting Numbers: [70, 95] Generated Node #0,0,3: 53:[70, 95] Operation: 4+91=95 Exploring Operation: 70-4=66, Resulting Numbers: [91, 66] Generated Node #0,0,4: 53:[91, 66] Operation: 70-4=66 Moving to Node #0,0,0 Current State: 53:[70, 87], Operations: ['72-2=70', '91-4=87'] Exploring Operation: 87-70=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 70*87=6090, Resulting Numbers: [6090] 6090,53 unequal: No Solution Exploring Operation: 70+87=157, Resulting Numbers: [157] 157,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[91, 66], Operations: ['72-2=70', '70-4=66'] Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[91, 74], Operations: ['72-2=70', '4+70=74'] Exploring Operation: 91+74=165, Resulting Numbers: [165] 165,53 unequal: No Solution Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 91*74=6734, Resulting Numbers: [6734] 6734,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[70, 95], Operations: ['72-2=70', '4+91=95'] Exploring Operation: 70*95=6650, Resulting Numbers: [6650] 6650,53 unequal: No Solution Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 70+95=165, Resulting Numbers: [165] 165,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[4, 21], Operations: ['72-2=70', '91-70=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[4, 91, 36], Operations: ['72/2=36'] Exploring Operation: 36-4=32, Resulting Numbers: [91, 32] Generated Node #0,1,0: 53:[91, 32] Operation: 36-4=32 Exploring Operation: 4+36=40, Resulting Numbers: [91, 40] Generated Node #0,1,1: 53:[91, 40] Operation: 4+36=40 Exploring Operation: 91-4=87, Resulting Numbers: [36, 87] Generated Node #0,1,2: 53:[36, 87] Operation: 91-4=87 Exploring Operation: 91-36=55, Resulting Numbers: [4, 55] Generated Node #0,1,3: 53:[4, 55] Operation: 91-36=55 Exploring Operation: 4+91=95, Resulting Numbers: [36, 95] Generated Node #0,1,4: 53:[36, 95] Operation: 4+91=95 Moving to Node #0,1,1 Current State: 53:[91, 40], Operations: ['72/2=36', '4+36=40'] Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,53 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[4, 55], Operations: ['72/2=36', '91-36=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,53 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[36, 87], Operations: ['72/2=36', '91-4=87'] Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 36+87=123, Resulting Numbers: [123] 123,53 unequal: No Solution Exploring Operation: 36*87=3132, Resulting Numbers: [3132] 3132,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[91, 32], Operations: ['72/2=36', '36-4=32'] Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,53 unequal: No Solution Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,53 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[36, 95], Operations: ['72/2=36', '4+91=95'] Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,53 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[72, 91, 6], Operations: ['4+2=6'] Exploring Operation: 72/6=12, Resulting Numbers: [91, 12] Generated Node #0,2,0: 53:[91, 12] Operation: 72/6=12 Exploring Operation: 72+6=78, Resulting Numbers: [91, 78] Generated Node #0,2,1: 53:[91, 78] Operation: 72+6=78 Exploring Operation: 91-6=85, Resulting Numbers: [72, 85] Generated Node #0,2,2: 53:[72, 85] Operation: 91-6=85 Exploring Operation: 72-6=66, Resulting Numbers: [91, 66] Generated Node #0,2,3: 53:[91, 66] Operation: 72-6=66 Exploring Operation: 91+6=97, Resulting Numbers: [72, 97] Generated Node #0,2,4: 53:[72, 97] Operation: 91+6=97 Moving to Node #0,2,2 Current State: 53:[72, 85], Operations: ['4+2=6', '91-6=85'] Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,53 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[91, 66], Operations: ['4+2=6', '72-6=66'] Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,53 unequal: No Solution Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[91, 78], Operations: ['4+2=6', '72+6=78'] Exploring Operation: 91+78=169, Resulting Numbers: [169] 169,53 unequal: No Solution Exploring Operation: 91-78=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 91*78=7098, Resulting Numbers: [7098] 7098,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[72, 97], Operations: ['4+2=6', '91+6=97'] Exploring Operation: 72+97=169, Resulting Numbers: [169] 169,53 unequal: No Solution Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 72*97=6984, Resulting Numbers: [6984] 6984,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[91, 12], Operations: ['4+2=6', '72/6=12'] Exploring Operation: 91+12=103, Resulting Numbers: [103] 103,53 unequal: No Solution Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,53 unequal: No Solution Exploring Operation: 91*12=1092, Resulting Numbers: [1092] 1092,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 53:[2, 91, 68], Operations: ['72-4=68'] Exploring Operation: 91-2=89, Resulting Numbers: [68, 89] Generated Node #0,4,0: 53:[68, 89] Operation: 91-2=89 Exploring Operation: 2+68=70, Resulting Numbers: [91, 70] Generated Node #0,4,1: 53:[91, 70] Operation: 2+68=70 Exploring Operation: 68/2=34, Resulting Numbers: [91, 34] Generated Node #0,4,2: 53:[91, 34] Operation: 68/2=34 Exploring Operation: 68-2=66, Resulting Numbers: [91, 66] Generated Node #0,4,3: 53:[91, 66] Operation: 68-2=66 Exploring Operation: 2+91=93, Resulting Numbers: [68, 93] Generated Node #0,4,4: 53:[68, 93] Operation: 2+91=93 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 53:[68, 89], Operations: ['72-4=68', '91-2=89'] Exploring Operation: 68+89=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 68*89=6052, Resulting Numbers: [6052] 6052,53 unequal: No Solution Exploring Operation: 89-68=21, Resulting Numbers: [21] 21,53 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: 53:[91, 66], Operations: ['72-4=68', '68-2=66'] Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,53 unequal: No Solution Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,53 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: 53:[91, 70], Operations: ['72-4=68', '2+68=70'] Exploring Operation: 91-70=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 91+70=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 91*70=6370, Resulting Numbers: [6370] 6370,53 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: 53:[68, 93], Operations: ['72-4=68', '2+91=93'] Exploring Operation: 68+93=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 68*93=6324, Resulting Numbers: [6324] 6324,53 unequal: No Solution Exploring Operation: 93-68=25, Resulting Numbers: [25] 25,53 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: 53:[91, 34], Operations: ['72-4=68', '68/2=34'] Exploring Operation: 91*34=3094, Resulting Numbers: [3094] 3094,53 unequal: No Solution Exploring Operation: 91+34=125, Resulting Numbers: [125] 125,53 unequal: No Solution Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 31, 84, 86, 2 ]
60
[ "31*2=62", "86-84=2", "62-2=60" ]
Current State: 60:[31, 84, 86, 2], Operations: [] Exploring Operation: 31*2=62, Resulting Numbers: [84, 86, 62] Generated Node #2: [84, 86, 62] from Operation: 31*2=62 Current State: 60:[84, 86, 62], Operations: ['31*2=62'] Exploring Operation: 86-84=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 86-84=2 Current State: 60:[62, 2], Operations: ['31*2=62', '86-84=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[31, 84, 86, 2], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [31, 2, 2] Generated Node #0,0: 60:[31, 2, 2] Operation: 86-84=2 Exploring Operation: 86-31=55, Resulting Numbers: [84, 2, 55] Generated Node #0,1: 60:[84, 2, 55] Operation: 86-31=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[31, 2, 2], Operations: ['86-84=2'] Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 60:[2, 29] Operation: 31-2=29 Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,1: 60:[2, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[2, 29], Operations: ['86-84=2', '31-2=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,60 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: 60:[2, 29], Operations: ['86-84=2', '31-2=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,60 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: 60:[84, 2, 55], Operations: ['86-31=55'] Exploring Operation: 84/2=42, Resulting Numbers: [55, 42] Generated Node #0,1,0: 60:[55, 42] Operation: 84/2=42 Exploring Operation: 84-55=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 60:[2, 29] Operation: 84-55=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[2, 29], Operations: ['86-31=55', '84-55=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,60 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: 60:[55, 42], Operations: ['86-31=55', '84/2=42'] Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,60 unequal: No Solution Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,60 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
[ 84, 28, 60, 89 ]
87
[ "84/28=3", "89-60=29", "3*29=87" ]
Current State: 87:[84, 28, 60, 89], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [60, 89, 3] Generated Node #2: [60, 89, 3] from Operation: 84/28=3 Current State: 87:[60, 89, 3], Operations: ['84/28=3'] Exploring Operation: 89-60=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 89-60=29 Current State: 87:[3, 29], Operations: ['84/28=3', '89-60=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[84, 28, 60, 89], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [84, 28, 29] Generated Node #0,0: 87:[84, 28, 29] Operation: 89-60=29 Moving to Node #0,0 Current State: 87:[84, 28, 29], Operations: ['89-60=29'] Exploring Operation: 84/28=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 87:[29, 3] Operation: 84/28=3 Moving to Node #0,0,0 Current State: 87:[29, 3], Operations: ['89-60=29', '84/28=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[84, 28, 60, 89], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [84, 28, 29] Generated Node #0,0: 87:[84, 28, 29] Operation: 89-60=29 Moving to Node #0,0 Current State: 87:[84, 28, 29], Operations: ['89-60=29'] Exploring Operation: 84/28=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 87:[29, 3] Operation: 84/28=3 Moving to Node #0,0,0 Current State: 87:[29, 3], Operations: ['89-60=29', '84/28=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 99, 21, 69, 23 ]
84
[ "99+69=168", "23-21=2", "168/2=84" ]
Current State: 84:[99, 21, 69, 23], Operations: [] Exploring Operation: 99+69=168, Resulting Numbers: [21, 23, 168] Generated Node #2: [21, 23, 168] from Operation: 99+69=168 Current State: 84:[21, 23, 168], Operations: ['99+69=168'] Exploring Operation: 23-21=2, Resulting Numbers: [168, 2] Generated Node #3: [168, 2] from Operation: 23-21=2 Current State: 84:[168, 2], Operations: ['99+69=168', '23-21=2'] Exploring Operation: 168/2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[99, 21, 69, 23], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [99, 21, 3] Generated Node #0,0: 84:[99, 21, 3] Operation: 69/23=3 Exploring Operation: 99-69=30, Resulting Numbers: [21, 23, 30] Generated Node #0,1: 84:[21, 23, 30] Operation: 99-69=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[21, 23, 30], Operations: ['99-69=30'] Exploring Operation: 30-23=7, Resulting Numbers: [21, 7] Generated Node #0,1,0: 84:[21, 7] Operation: 30-23=7 Exploring Operation: 23-21=2, Resulting Numbers: [30, 2] Generated Node #0,1,1: 84:[30, 2] Operation: 23-21=2 Moving to Node #0,1,0 Current State: 84:[21, 7], Operations: ['99-69=30', '30-23=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[30, 2], Operations: ['99-69=30', '23-21=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[99, 21, 3], Operations: ['69/23=3'] Exploring Operation: 99/3=33, Resulting Numbers: [21, 33] Generated Node #0,0,0: 84:[21, 33] Operation: 99/3=33 Exploring Operation: 99-21=78, Resulting Numbers: [3, 78] Generated Node #0,0,1: 84:[3, 78] Operation: 99-21=78 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[21, 33], Operations: ['69/23=3', '99/3=33'] Exploring Operation: 21+33=54, Resulting Numbers: [54] 54,84 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,84 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: 84:[3, 78], Operations: ['69/23=3', '99-21=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,84 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 17, 82, 22, 92 ]
49
[ "82-17=65", "22+92=114", "114-65=49" ]
Current State: 49:[17, 82, 22, 92], Operations: [] Exploring Operation: 82-17=65, Resulting Numbers: [22, 92, 65] Generated Node #2: [22, 92, 65] from Operation: 82-17=65 Current State: 49:[22, 92, 65], Operations: ['82-17=65'] Exploring Operation: 22+92=114, Resulting Numbers: [65, 114] Generated Node #3: [65, 114] from Operation: 22+92=114 Current State: 49:[65, 114], Operations: ['82-17=65', '22+92=114'] Exploring Operation: 114-65=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[17, 82, 22, 92], Operations: [] Exploring Operation: 82-22=60, Resulting Numbers: [17, 92, 60] Generated Node #0,0: 49:[17, 92, 60] Operation: 82-22=60 Exploring Operation: 92-82=10, Resulting Numbers: [17, 22, 10] Generated Node #0,1: 49:[17, 22, 10] Operation: 92-82=10 Exploring Operation: 82-17=65, Resulting Numbers: [22, 92, 65] Generated Node #0,2: 49:[22, 92, 65] Operation: 82-17=65 Exploring Operation: 92-17=75, Resulting Numbers: [82, 22, 75] Generated Node #0,3: 49:[82, 22, 75] Operation: 92-17=75 Exploring Operation: 92-22=70, Resulting Numbers: [17, 82, 70] Generated Node #0,4: 49:[17, 82, 70] Operation: 92-22=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[17, 22, 10], Operations: ['92-82=10'] Exploring Operation: 17-10=7, Resulting Numbers: [22, 7] Generated Node #0,1,0: 49:[22, 7] Operation: 17-10=7 Exploring Operation: 22+10=32, Resulting Numbers: [17, 32] Generated Node #0,1,1: 49:[17, 32] Operation: 22+10=32 Exploring Operation: 17+22=39, Resulting Numbers: [10, 39] Generated Node #0,1,2: 49:[10, 39] Operation: 17+22=39 Exploring Operation: 22-17=5, Resulting Numbers: [10, 5] Generated Node #0,1,3: 49:[10, 5] Operation: 22-17=5 Exploring Operation: 22-10=12, Resulting Numbers: [17, 12] Generated Node #0,1,4: 49:[17, 12] Operation: 22-10=12 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 49:[10, 5], Operations: ['92-82=10', '22-17=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,49 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: 49:[10, 39], Operations: ['92-82=10', '17+22=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[17, 82, 22, 92], Operations: [] Exploring Operation: 92-82=10, Resulting Numbers: [17, 22, 10] Generated Node #0,1: 49:[17, 22, 10] Operation: 92-82=10 Moving to Node #0,1 Current State: 49:[17, 22, 10], Operations: ['92-82=10'] Exploring Operation: 17+22=39, Resulting Numbers: [10, 39] Generated Node #0,1,2: 49:[10, 39] Operation: 17+22=39 Moving to Node #0,1,2 Current State: 49:[10, 39], Operations: ['92-82=10', '17+22=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 17, 71, 63, 20 ]
24
[ "20-17=3", "71-63=8", "3*8=24" ]
Current State: 24:[17, 71, 63, 20], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [71, 63, 3] Generated Node #2: [71, 63, 3] from Operation: 20-17=3 Current State: 24:[71, 63, 3], Operations: ['20-17=3'] Exploring Operation: 71-63=8, Resulting Numbers: [3, 8] Generated Node #3: [3, 8] from Operation: 71-63=8 Current State: 24:[3, 8], Operations: ['20-17=3', '71-63=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[17, 71, 63, 20], Operations: [] Exploring Operation: 71-20=51, Resulting Numbers: [17, 63, 51] Generated Node #0,0: 24:[17, 63, 51] Operation: 71-20=51 Exploring Operation: 63-20=43, Resulting Numbers: [17, 71, 43] Generated Node #0,1: 24:[17, 71, 43] Operation: 63-20=43 Exploring Operation: 71-63=8, Resulting Numbers: [17, 20, 8] Generated Node #0,2: 24:[17, 20, 8] Operation: 71-63=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[17, 20, 8], Operations: ['71-63=8'] Exploring Operation: 17-8=9, Resulting Numbers: [20, 9] Generated Node #0,2,0: 24:[20, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [20, 25] Generated Node #0,2,1: 24:[20, 25] Operation: 17+8=25 Exploring Operation: 20-17=3, Resulting Numbers: [8, 3] Generated Node #0,2,2: 24:[8, 3] Operation: 20-17=3 Moving to Node #0,2,2 Current State: 24:[8, 3], Operations: ['71-63=8', '20-17=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[17, 71, 63, 20], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [17, 20, 8] Generated Node #0,2: 24:[17, 20, 8] Operation: 71-63=8 Moving to Node #0,2 Current State: 24:[17, 20, 8], Operations: ['71-63=8'] Exploring Operation: 20-17=3, Resulting Numbers: [8, 3] Generated Node #0,2,2: 24:[8, 3] Operation: 20-17=3 Moving to Node #0,2,2 Current State: 24:[8, 3], Operations: ['71-63=8', '20-17=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 99, 30, 97, 98 ]
67
[ "99-98=1", "97-30=67", "1*67=67" ]
Current State: 67:[99, 30, 97, 98], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [30, 97, 1] Generated Node #2: [30, 97, 1] from Operation: 99-98=1 Current State: 67:[30, 97, 1], Operations: ['99-98=1'] Exploring Operation: 97-30=67, Resulting Numbers: [1, 67] Generated Node #3: [1, 67] from Operation: 97-30=67 Current State: 67:[1, 67], Operations: ['99-98=1', '97-30=67'] Exploring Operation: 1*67=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[99, 30, 97, 98], Operations: [] Exploring Operation: 99-30=69, Resulting Numbers: [97, 98, 69] Generated Node #0,0: 67:[97, 98, 69] Operation: 99-30=69 Exploring Operation: 97-30=67, Resulting Numbers: [99, 98, 67] Generated Node #0,1: 67:[99, 98, 67] Operation: 97-30=67 Moving to Node #0,0 Current State: 67:[97, 98, 69], Operations: ['99-30=69'] Exploring Operation: 98-97=1, Resulting Numbers: [69, 1] Generated Node #0,0,0: 67:[69, 1] Operation: 98-97=1 Exploring Operation: 98-69=29, Resulting Numbers: [97, 29] Generated Node #0,0,1: 67:[97, 29] Operation: 98-69=29 Moving to Node #0,1 Current State: 67:[99, 98, 67], Operations: ['97-30=67'] Exploring Operation: 99-98=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 99-98=1 Exploring Operation: 99-67=32, Resulting Numbers: [98, 32] Generated Node #0,1,1: 67:[98, 32] Operation: 99-67=32 Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['97-30=67', '99-98=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[99, 30, 97, 98], Operations: [] Exploring Operation: 97-30=67, Resulting Numbers: [99, 98, 67] Generated Node #0,1: 67:[99, 98, 67] Operation: 97-30=67 Moving to Node #0,1 Current State: 67:[99, 98, 67], Operations: ['97-30=67'] Exploring Operation: 99-98=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 99-98=1 Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['97-30=67', '99-98=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 13, 7, 9, 89 ]
63
[ "9-7=2", "13*2=26", "89-26=63" ]
Current State: 63:[13, 7, 9, 89], Operations: [] Exploring Operation: 9-7=2, Resulting Numbers: [13, 89, 2] Generated Node #2: [13, 89, 2] from Operation: 9-7=2 Current State: 63:[13, 89, 2], Operations: ['9-7=2'] Exploring Operation: 13*2=26, Resulting Numbers: [89, 26] Generated Node #3: [89, 26] from Operation: 13*2=26 Current State: 63:[89, 26], Operations: ['9-7=2', '13*2=26'] Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[13, 7, 9, 89], Operations: [] Exploring Operation: 89-9=80, Resulting Numbers: [13, 7, 80] Generated Node #0,0: 63:[13, 7, 80] Operation: 89-9=80 Exploring Operation: 89-13=76, Resulting Numbers: [7, 9, 76] Generated Node #0,1: 63:[7, 9, 76] Operation: 89-13=76 Moving to Node #0,1 Current State: 63:[7, 9, 76], Operations: ['89-13=76'] Exploring Operation: 76-7=69, Resulting Numbers: [9, 69] Generated Node #0,1,0: 63:[9, 69] Operation: 76-7=69 Exploring Operation: 76-9=67, Resulting Numbers: [7, 67] Generated Node #0,1,1: 63:[7, 67] Operation: 76-9=67 Moving to Node #0,0 Current State: 63:[13, 7, 80], Operations: ['89-9=80'] Exploring Operation: 80-13=67, Resulting Numbers: [7, 67] Generated Node #0,0,0: 63:[7, 67] Operation: 80-13=67 Exploring Operation: 80-7=73, Resulting Numbers: [13, 73] Generated Node #0,0,1: 63:[13, 73] Operation: 80-7=73 Moving to Node #0,1,1 Current State: 63:[7, 67], Operations: ['89-13=76', '76-9=67'] Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,63 unequal: No Solution Exploring Operation: 7+67=74, Resulting Numbers: [74] 74,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[7, 67], Operations: ['89-9=80', '80-13=67'] Exploring Operation: 7+67=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[9, 69], Operations: ['89-13=76', '76-7=69'] Exploring Operation: 9+69=78, Resulting Numbers: [78] 78,63 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[13, 73], Operations: ['89-9=80', '80-7=73'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,63 unequal: No Solution Exploring Operation: 13+73=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 63, 26, 29, 10 ]
56
[ "63-26=37", "29-10=19", "37+19=56" ]
Current State: 56:[63, 26, 29, 10], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [29, 10, 37] Generated Node #2: [29, 10, 37] from Operation: 63-26=37 Current State: 56:[29, 10, 37], Operations: ['63-26=37'] Exploring Operation: 29-10=19, Resulting Numbers: [37, 19] Generated Node #3: [37, 19] from Operation: 29-10=19 Current State: 56:[37, 19], Operations: ['63-26=37', '29-10=19'] Exploring Operation: 37+19=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[63, 26, 29, 10], Operations: [] Exploring Operation: 63-10=53, Resulting Numbers: [26, 29, 53] Generated Node #0,0: 56:[26, 29, 53] Operation: 63-10=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[26, 29, 53], Operations: ['63-10=53'] Exploring Operation: 53-26=27, Resulting Numbers: [29, 27] Generated Node #0,0,0: 56:[29, 27] Operation: 53-26=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[29, 27], Operations: ['63-10=53', '53-26=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[63, 26, 29, 10], Operations: [] Exploring Operation: 63-10=53, Resulting Numbers: [26, 29, 53] Generated Node #0,0: 56:[26, 29, 53] Operation: 63-10=53 Moving to Node #0,0 Current State: 56:[26, 29, 53], Operations: ['63-10=53'] Exploring Operation: 53-26=27, Resulting Numbers: [29, 27] Generated Node #0,0,0: 56:[29, 27] Operation: 53-26=27 Moving to Node #0,0,0 Current State: 56:[29, 27], Operations: ['63-10=53', '53-26=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 66, 36, 10, 48 ]
13
[ "66*10=660", "660-36=624", "624/48=13" ]
Current State: 13:[66, 36, 10, 48], Operations: [] Exploring Operation: 66*10=660, Resulting Numbers: [36, 48, 660] Generated Node #2: [36, 48, 660] from Operation: 66*10=660 Current State: 13:[36, 48, 660], Operations: ['66*10=660'] Exploring Operation: 660-36=624, Resulting Numbers: [48, 624] Generated Node #3: [48, 624] from Operation: 660-36=624 Current State: 13:[48, 624], Operations: ['66*10=660', '660-36=624'] Exploring Operation: 624/48=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[66, 36, 10, 48], Operations: [] Exploring Operation: 66-48=18, Resulting Numbers: [36, 10, 18] Generated Node #0,0: 13:[36, 10, 18] Operation: 66-48=18 Moving to Node #0,0 Current State: 13:[36, 10, 18], Operations: ['66-48=18'] Exploring Operation: 36-18=18, Resulting Numbers: [10, 18] Generated Node #0,0,0: 13:[10, 18] Operation: 36-18=18 Moving to Node #0,0,0 Current State: 13:[10, 18], Operations: ['66-48=18', '36-18=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,13 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 52, 3, 18 ]
50
[ "6+3=9", "18/9=2", "52-2=50" ]
Current State: 50:[6, 52, 3, 18], Operations: [] Exploring Operation: 6+3=9, Resulting Numbers: [52, 18, 9] Generated Node #2: [52, 18, 9] from Operation: 6+3=9 Current State: 50:[52, 18, 9], Operations: ['6+3=9'] Exploring Operation: 18/9=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 18/9=2 Current State: 50:[52, 2], Operations: ['6+3=9', '18/9=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 52, 3, 18], Operations: [] Exploring Operation: 6+18=24, Resulting Numbers: [52, 3, 24] Generated Node #0,0: 50:[52, 3, 24] Operation: 6+18=24 Exploring Operation: 18/6=3, Resulting Numbers: [52, 3, 3] Generated Node #0,1: 50:[52, 3, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [52, 3, 12] Generated Node #0,2: 50:[52, 3, 12] Operation: 18-6=12 Exploring Operation: 3+18=21, Resulting Numbers: [6, 52, 21] Generated Node #0,3: 50:[6, 52, 21] Operation: 3+18=21 Exploring Operation: 18/3=6, Resulting Numbers: [6, 52, 6] Generated Node #0,4: 50:[6, 52, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[52, 3, 24], Operations: ['6+18=24'] Exploring Operation: 52-24=28, Resulting Numbers: [3, 28] Generated Node #0,0,0: 50:[3, 28] Operation: 52-24=28 Exploring Operation: 3+24=27, Resulting Numbers: [52, 27] Generated Node #0,0,1: 50:[52, 27] Operation: 3+24=27 Exploring Operation: 24/3=8, Resulting Numbers: [52, 8] Generated Node #0,0,2: 50:[52, 8] Operation: 24/3=8 Exploring Operation: 52+3=55, Resulting Numbers: [24, 55] Generated Node #0,0,3: 50:[24, 55] Operation: 52+3=55 Exploring Operation: 52-3=49, Resulting Numbers: [24, 49] Generated Node #0,0,4: 50:[24, 49] Operation: 52-3=49 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 50:[24, 49], Operations: ['6+18=24', '52-3=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,50 unequal: No Solution Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,50 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: 50:[3, 28], Operations: ['6+18=24', '52-24=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,50 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: 50:[52, 27], Operations: ['6+18=24', '3+24=27'] Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,50 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,50 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: 50:[52, 8], Operations: ['6+18=24', '24/3=8'] Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,50 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,50 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: 50:[24, 55], Operations: ['6+18=24', '52+3=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,50 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,50 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: 50:[52, 3, 3], Operations: ['18/6=3'] Exploring Operation: 3+3=6, Resulting Numbers: [52, 6] Generated Node #0,1,0: 50:[52, 6] Operation: 3+3=6 Exploring Operation: 3/3=1, Resulting Numbers: [52, 1] Generated Node #0,1,1: 50:[52, 1] Operation: 3/3=1 Exploring Operation: 52-3=49, Resulting Numbers: [3, 49] Generated Node #0,1,2: 50:[3, 49] Operation: 52-3=49 Exploring Operation: 3*3=9, Resulting Numbers: [52, 9] Generated Node #0,1,3: 50:[52, 9] Operation: 3*3=9 Exploring Operation: 52-3=49, Resulting Numbers: [3, 49] Generated Node #0,1,4: 50:[3, 49] Operation: 52-3=49 Moving to Node #0,1,2 Current State: 50:[3, 49], Operations: ['18/6=3', '52-3=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[3, 49], Operations: ['18/6=3', '52-3=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[52, 6], Operations: ['18/6=3', '3+3=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,50 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,50 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[52, 1], Operations: ['18/6=3', '3/3=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[52, 9], Operations: ['18/6=3', '3*3=9'] Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,50 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,50 unequal: No Solution No 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: 50:[6, 52, 6], Operations: ['18/3=6'] Exploring Operation: 6+6=12, Resulting Numbers: [52, 12] Generated Node #0,4,0: 50:[52, 12] Operation: 6+6=12 Exploring Operation: 52-6=46, Resulting Numbers: [6, 46] Generated Node #0,4,1: 50:[6, 46] Operation: 52-6=46 Exploring Operation: 52-6=46, Resulting Numbers: [6, 46] Generated Node #0,4,2: 50:[6, 46] Operation: 52-6=46 Exploring Operation: 6-6=0, Resulting Numbers: [52, 0] Generated Node #0,4,3: 50:[52, 0] Operation: 6-6=0 Exploring Operation: 6/6=1, Resulting Numbers: [52, 1] Generated Node #0,4,4: 50:[52, 1] Operation: 6/6=1 Moving to Node #0,4,4 Current State: 50:[52, 1], Operations: ['18/3=6', '6/6=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[52, 0], Operations: ['18/3=6', '6-6=0'] Exploring Operation: 52*0=0, Resulting Numbers: [0] 0,50 unequal: No Solution Exploring Operation: 52-0=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[52, 12], Operations: ['18/3=6', '6+6=12'] Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,50 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[6, 46], Operations: ['18/3=6', '52-6=46'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[6, 46], Operations: ['18/3=6', '52-6=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,50 unequal: No Solution No 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: 50:[52, 3, 12], Operations: ['18-6=12'] Exploring Operation: 3+12=15, Resulting Numbers: [52, 15] Generated Node #0,2,0: 50:[52, 15] Operation: 3+12=15 Exploring Operation: 52-3=49, Resulting Numbers: [12, 49] Generated Node #0,2,1: 50:[12, 49] Operation: 52-3=49 Exploring Operation: 52+3=55, Resulting Numbers: [12, 55] Generated Node #0,2,2: 50:[12, 55] Operation: 52+3=55 Exploring Operation: 12-3=9, Resulting Numbers: [52, 9] Generated Node #0,2,3: 50:[52, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [52, 4] Generated Node #0,2,4: 50:[52, 4] Operation: 12/3=4 Moving to Node #0,2,1 Current State: 50:[12, 49], Operations: ['18-6=12', '52-3=49'] Exploring Operation: 12*49=588, Resulting Numbers: [588] 588,50 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[52, 4], Operations: ['18-6=12', '12/3=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,50 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[52, 9], Operations: ['18-6=12', '12-3=9'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[52, 15], Operations: ['18-6=12', '3+12=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,50 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[12, 55], Operations: ['18-6=12', '52+3=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,50 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,50 unequal: No Solution No 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: 50:[6, 52, 21], Operations: ['3+18=21'] Exploring Operation: 6+52=58, Resulting Numbers: [21, 58] Generated Node #0,3,0: 50:[21, 58] Operation: 6+52=58 Exploring Operation: 21-6=15, Resulting Numbers: [52, 15] Generated Node #0,3,1: 50:[52, 15] Operation: 21-6=15 Exploring Operation: 52-6=46, Resulting Numbers: [21, 46] Generated Node #0,3,2: 50:[21, 46] Operation: 52-6=46 Exploring Operation: 6+21=27, Resulting Numbers: [52, 27] Generated Node #0,3,3: 50:[52, 27] Operation: 6+21=27 Exploring Operation: 52-21=31, Resulting Numbers: [6, 31] Generated Node #0,3,4: 50:[6, 31] Operation: 52-21=31 Moving to Node #0,3,3 Current State: 50:[52, 27], Operations: ['3+18=21', '6+21=27'] Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,50 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[6, 31], Operations: ['3+18=21', '52-21=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,50 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[52, 15], Operations: ['3+18=21', '21-6=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[21, 46], Operations: ['3+18=21', '52-6=46'] Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,50 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[21, 58], Operations: ['3+18=21', '6+52=58'] Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,50 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
[ 60, 94, 73, 47 ]
47
[ "60*94=5640", "73+47=120", "5640/120=47" ]
Current State: 47:[60, 94, 73, 47], Operations: [] Exploring Operation: 60*94=5640, Resulting Numbers: [73, 47, 5640] Generated Node #2: [73, 47, 5640] from Operation: 60*94=5640 Current State: 47:[73, 47, 5640], Operations: ['60*94=5640'] Exploring Operation: 73+47=120, Resulting Numbers: [5640, 120] Generated Node #3: [5640, 120] from Operation: 73+47=120 Current State: 47:[5640, 120], Operations: ['60*94=5640', '73+47=120'] Exploring Operation: 5640/120=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[60, 94, 73, 47], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [73, 47, 34] Generated Node #0,0: 47:[73, 47, 34] Operation: 94-60=34 Exploring Operation: 73-60=13, Resulting Numbers: [94, 47, 13] Generated Node #0,1: 47:[94, 47, 13] Operation: 73-60=13 Exploring Operation: 94-73=21, Resulting Numbers: [60, 47, 21] Generated Node #0,2: 47:[60, 47, 21] Operation: 94-73=21 Exploring Operation: 94-47=47, Resulting Numbers: [60, 73, 47] Generated Node #0,3: 47:[60, 73, 47] Operation: 94-47=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[73, 47, 34], Operations: ['94-60=34'] Exploring Operation: 73-34=39, Resulting Numbers: [47, 39] Generated Node #0,0,0: 47:[47, 39] Operation: 73-34=39 Exploring Operation: 73-47=26, Resulting Numbers: [34, 26] Generated Node #0,0,1: 47:[34, 26] Operation: 73-47=26 Exploring Operation: 47+34=81, Resulting Numbers: [73, 81] Generated Node #0,0,2: 47:[73, 81] Operation: 47+34=81 Exploring Operation: 73+34=107, Resulting Numbers: [47, 107] Generated Node #0,0,3: 47:[47, 107] Operation: 73+34=107 Moving to Node #0,0,0 Current State: 47:[47, 39], Operations: ['94-60=34', '73-34=39'] Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 47*39=1833, Resulting Numbers: [1833] 1833,47 unequal: No Solution Exploring Operation: 47+39=86, Resulting Numbers: [86] 86,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[34, 26], Operations: ['94-60=34', '73-47=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,47 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[47, 107], Operations: ['94-60=34', '73+34=107'] Exploring Operation: 47+107=154, Resulting Numbers: [154] 154,47 unequal: No Solution Exploring Operation: 47*107=5029, Resulting Numbers: [5029] 5029,47 unequal: No Solution Exploring Operation: 107-47=60, Resulting Numbers: [60] 60,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[73, 81], Operations: ['94-60=34', '47+34=81'] Exploring Operation: 73*81=5913, Resulting Numbers: [5913] 5913,47 unequal: No Solution Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 73+81=154, Resulting Numbers: [154] 154,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[60, 47, 21], Operations: ['94-73=21'] Exploring Operation: 60-21=39, Resulting Numbers: [47, 39] Generated Node #0,2,0: 47:[47, 39] Operation: 60-21=39 Exploring Operation: 47+21=68, Resulting Numbers: [60, 68] Generated Node #0,2,1: 47:[60, 68] Operation: 47+21=68 Exploring Operation: 47-21=26, Resulting Numbers: [60, 26] Generated Node #0,2,2: 47:[60, 26] Operation: 47-21=26 Exploring Operation: 60+21=81, Resulting Numbers: [47, 81] Generated Node #0,2,3: 47:[47, 81] Operation: 60+21=81 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[47, 39], Operations: ['94-73=21', '60-21=39'] Exploring Operation: 47+39=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 47*39=1833, Resulting Numbers: [1833] 1833,47 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[60, 68], Operations: ['94-73=21', '47+21=68'] Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,47 unequal: No Solution Exploring Operation: 60*68=4080, Resulting Numbers: [4080] 4080,47 unequal: No Solution Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[60, 26], Operations: ['94-73=21', '47-21=26'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,47 unequal: No Solution Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 47:[47, 81], Operations: ['94-73=21', '60+21=81'] Exploring Operation: 47+81=128, Resulting Numbers: [128] 128,47 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 47*81=3807, Resulting Numbers: [3807] 3807,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[60, 73, 47], Operations: ['94-47=47'] Exploring Operation: 73-47=26, Resulting Numbers: [60, 26] Generated Node #0,3,0: 47:[60, 26] Operation: 73-47=26 Exploring Operation: 60-47=13, Resulting Numbers: [73, 13] Generated Node #0,3,1: 47:[73, 13] Operation: 60-47=13 Exploring Operation: 60+73=133, Resulting Numbers: [47, 133] Generated Node #0,3,2: 47:[47, 133] Operation: 60+73=133 Exploring Operation: 73-60=13, Resulting Numbers: [47, 13] Generated Node #0,3,3: 47:[47, 13] Operation: 73-60=13 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 47:[60, 26], Operations: ['94-47=47', '73-47=26'] Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,47 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 47:[47, 13], Operations: ['94-47=47', '73-60=13'] Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,47 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 47:[73, 13], Operations: ['94-47=47', '60-47=13'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,47 unequal: No Solution Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,47 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 47:[47, 133], Operations: ['94-47=47', '60+73=133'] Exploring Operation: 133-47=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 47*133=6251, Resulting Numbers: [6251] 6251,47 unequal: No Solution Exploring Operation: 47+133=180, Resulting Numbers: [180] 180,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[94, 47, 13], Operations: ['73-60=13'] Exploring Operation: 94-13=81, Resulting Numbers: [47, 81] Generated Node #0,1,0: 47:[47, 81] Operation: 94-13=81 Exploring Operation: 94+13=107, Resulting Numbers: [47, 107] Generated Node #0,1,1: 47:[47, 107] Operation: 94+13=107 Exploring Operation: 94-47=47, Resulting Numbers: [13, 47] Generated Node #0,1,2: 47:[13, 47] Operation: 94-47=47 Exploring Operation: 47+13=60, Resulting Numbers: [94, 60] Generated Node #0,1,3: 47:[94, 60] Operation: 47+13=60 Moving to Node #0,1,0 Current State: 47:[47, 81], Operations: ['73-60=13', '94-13=81'] Exploring Operation: 47*81=3807, Resulting Numbers: [3807] 3807,47 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 47+81=128, Resulting Numbers: [128] 128,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[13, 47], Operations: ['73-60=13', '94-47=47'] Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,47 unequal: No Solution Exploring Operation: 13*47=611, Resulting Numbers: [611] 611,47 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[94, 60], Operations: ['73-60=13', '47+13=60'] Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 94+60=154, Resulting Numbers: [154] 154,47 unequal: No Solution Exploring Operation: 94*60=5640, Resulting Numbers: [5640] 5640,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[47, 107], Operations: ['73-60=13', '94+13=107'] Exploring Operation: 47*107=5029, Resulting Numbers: [5029] 5029,47 unequal: No Solution Exploring Operation: 107-47=60, Resulting Numbers: [60] 60,47 unequal: No Solution Exploring Operation: 47+107=154, Resulting Numbers: [154] 154,47 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
[ 78, 9, 13, 52 ]
90
[ "78+52=130", "9*130=1170", "1170/13=90" ]
Current State: 90:[78, 9, 13, 52], Operations: [] Exploring Operation: 78+52=130, Resulting Numbers: [9, 13, 130] Generated Node #2: [9, 13, 130] from Operation: 78+52=130 Current State: 90:[9, 13, 130], Operations: ['78+52=130'] Exploring Operation: 9*130=1170, Resulting Numbers: [13, 1170] Generated Node #3: [13, 1170] from Operation: 9*130=1170 Current State: 90:[13, 1170], Operations: ['78+52=130', '9*130=1170'] Exploring Operation: 1170/13=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[78, 9, 13, 52], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [9, 13, 26] Generated Node #0,0: 90:[9, 13, 26] Operation: 78-52=26 Exploring Operation: 78/13=6, Resulting Numbers: [9, 52, 6] Generated Node #0,1: 90:[9, 52, 6] Operation: 78/13=6 Exploring Operation: 78+13=91, Resulting Numbers: [9, 52, 91] Generated Node #0,2: 90:[9, 52, 91] Operation: 78+13=91 Exploring Operation: 78+9=87, Resulting Numbers: [13, 52, 87] Generated Node #0,3: 90:[13, 52, 87] Operation: 78+9=87 Exploring Operation: 52/13=4, Resulting Numbers: [78, 9, 4] Generated Node #0,4: 90:[78, 9, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[9, 13, 26], Operations: ['78-52=26'] Exploring Operation: 26/13=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 90:[9, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [9, 13] Generated Node #0,0,1: 90:[9, 13] Operation: 26-13=13 Exploring Operation: 13-9=4, Resulting Numbers: [26, 4] Generated Node #0,0,2: 90:[26, 4] Operation: 13-9=4 Exploring Operation: 26-9=17, Resulting Numbers: [13, 17] Generated Node #0,0,3: 90:[13, 17] Operation: 26-9=17 Exploring Operation: 13+26=39, Resulting Numbers: [9, 39] Generated Node #0,0,4: 90:[9, 39] Operation: 13+26=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[9, 2], Operations: ['78-52=26', '26/13=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,90 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: 90:[9, 13], Operations: ['78-52=26', '26-13=13'] Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,90 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,90 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: 90:[13, 17], Operations: ['78-52=26', '26-9=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 13*17=221, Resulting Numbers: [221] 221,90 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,90 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: 90:[26, 4], Operations: ['78-52=26', '13-9=4'] Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,90 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,90 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: 90:[9, 39], Operations: ['78-52=26', '13+26=39'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,90 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: 90:[9, 52, 6], Operations: ['78/13=6'] Exploring Operation: 9+6=15, Resulting Numbers: [52, 15] Generated Node #0,1,0: 90:[52, 15] Operation: 9+6=15 Exploring Operation: 52-6=46, Resulting Numbers: [9, 46] Generated Node #0,1,1: 90:[9, 46] Operation: 52-6=46 Exploring Operation: 9-6=3, Resulting Numbers: [52, 3] Generated Node #0,1,2: 90:[52, 3] Operation: 9-6=3 Exploring Operation: 52+6=58, Resulting Numbers: [9, 58] Generated Node #0,1,3: 90:[9, 58] Operation: 52+6=58 Exploring Operation: 52-9=43, Resulting Numbers: [6, 43] Generated Node #0,1,4: 90:[6, 43] Operation: 52-9=43 Moving to Node #0,1,1 Current State: 90:[9, 46], Operations: ['78/13=6', '52-6=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[6, 43], Operations: ['78/13=6', '52-9=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,90 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,90 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[52, 15], Operations: ['78/13=6', '9+6=15'] Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,90 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,90 unequal: No Solution Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[52, 3], Operations: ['78/13=6', '9-6=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,90 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[9, 58], Operations: ['78/13=6', '52+6=58'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,90 unequal: No Solution Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,90 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,90 unequal: No Solution No 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: 90:[9, 52, 91], Operations: ['78+13=91'] Exploring Operation: 9+52=61, Resulting Numbers: [91, 61] Generated Node #0,2,0: 90:[91, 61] Operation: 9+52=61 Exploring Operation: 9+91=100, Resulting Numbers: [52, 100] Generated Node #0,2,1: 90:[52, 100] Operation: 9+91=100 Exploring Operation: 91-52=39, Resulting Numbers: [9, 39] Generated Node #0,2,2: 90:[9, 39] Operation: 91-52=39 Exploring Operation: 52-9=43, Resulting Numbers: [91, 43] Generated Node #0,2,3: 90:[91, 43] Operation: 52-9=43 Exploring Operation: 91-9=82, Resulting Numbers: [52, 82] Generated Node #0,2,4: 90:[52, 82] Operation: 91-9=82 Moving to Node #0,2,3 Current State: 90:[91, 43], Operations: ['78+13=91', '52-9=43'] Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,90 unequal: No Solution Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,90 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[9, 39], Operations: ['78+13=91', '91-52=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,90 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[52, 82], Operations: ['78+13=91', '91-9=82'] Exploring Operation: 52*82=4264, Resulting Numbers: [4264] 4264,90 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[91, 61], Operations: ['78+13=91', '9+52=61'] Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,90 unequal: No Solution Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[52, 100], Operations: ['78+13=91', '9+91=100'] Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,90 unequal: No Solution Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,90 unequal: No Solution Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,90 unequal: No Solution No 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: 90:[13, 52, 87], Operations: ['78+9=87'] Exploring Operation: 13+52=65, Resulting Numbers: [87, 65] Generated Node #0,3,0: 90:[87, 65] Operation: 13+52=65 Exploring Operation: 52-13=39, Resulting Numbers: [87, 39] Generated Node #0,3,1: 90:[87, 39] Operation: 52-13=39 Exploring Operation: 52/13=4, Resulting Numbers: [87, 4] Generated Node #0,3,2: 90:[87, 4] Operation: 52/13=4 Exploring Operation: 87-52=35, Resulting Numbers: [13, 35] Generated Node #0,3,3: 90:[13, 35] Operation: 87-52=35 Exploring Operation: 13+87=100, Resulting Numbers: [52, 100] Generated Node #0,3,4: 90:[52, 100] Operation: 13+87=100 Moving to Node #0,3,2 Current State: 90:[87, 4], Operations: ['78+9=87', '52/13=4'] Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,90 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[13, 35], Operations: ['78+9=87', '87-52=35'] Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[87, 39], Operations: ['78+9=87', '52-13=39'] Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,90 unequal: No Solution Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,90 unequal: No Solution Moving to Node #0,3,4 Current State: 90:[52, 100], Operations: ['78+9=87', '13+87=100'] Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,90 unequal: No Solution Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[87, 65], Operations: ['78+9=87', '13+52=65'] Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,90 unequal: No Solution Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,90 unequal: No Solution No 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: 90:[78, 9, 4], Operations: ['52/13=4'] Exploring Operation: 78-4=74, Resulting Numbers: [9, 74] Generated Node #0,4,0: 90:[9, 74] Operation: 78-4=74 Exploring Operation: 9-4=5, Resulting Numbers: [78, 5] Generated Node #0,4,1: 90:[78, 5] Operation: 9-4=5 Exploring Operation: 78+4=82, Resulting Numbers: [9, 82] Generated Node #0,4,2: 90:[9, 82] Operation: 78+4=82 Exploring Operation: 78+9=87, Resulting Numbers: [4, 87] Generated Node #0,4,3: 90:[4, 87] Operation: 78+9=87 Exploring Operation: 9+4=13, Resulting Numbers: [78, 13] Generated Node #0,4,4: 90:[78, 13] Operation: 9+4=13 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[4, 87], Operations: ['52/13=4', '78+9=87'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 4+87=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 4*87=348, Resulting Numbers: [348] 348,90 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: 90:[9, 82], Operations: ['52/13=4', '78+4=82'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 9*82=738, Resulting Numbers: [738] 738,90 unequal: No Solution Exploring Operation: 9+82=91, Resulting Numbers: [91] 91,90 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: 90:[78, 5], Operations: ['52/13=4', '9-4=5'] Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,90 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,90 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: 90:[78, 13], Operations: ['52/13=4', '9+4=13'] Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,90 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: 90:[9, 74], Operations: ['52/13=4', '78-4=74'] Exploring Operation: 9*74=666, Resulting Numbers: [666] 666,90 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 9+74=83, Resulting Numbers: [83] 83,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 51, 45, 44, 98 ]
60
[ "51-45=6", "98-44=54", "6+54=60" ]
Current State: 60:[51, 45, 44, 98], Operations: [] Exploring Operation: 51-45=6, Resulting Numbers: [44, 98, 6] Generated Node #2: [44, 98, 6] from Operation: 51-45=6 Current State: 60:[44, 98, 6], Operations: ['51-45=6'] Exploring Operation: 98-44=54, Resulting Numbers: [6, 54] Generated Node #3: [6, 54] from Operation: 98-44=54 Current State: 60:[6, 54], Operations: ['51-45=6', '98-44=54'] Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[51, 45, 44, 98], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [51, 44, 53] Generated Node #0,0: 60:[51, 44, 53] Operation: 98-45=53 Moving to Node #0,0 Current State: 60:[51, 44, 53], Operations: ['98-45=53'] Exploring Operation: 51-44=7, Resulting Numbers: [53, 7] Generated Node #0,0,0: 60:[53, 7] Operation: 51-44=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[53, 7], Operations: ['98-45=53', '51-44=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[51, 45, 44, 98], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [51, 44, 53] Generated Node #0,0: 60:[51, 44, 53] Operation: 98-45=53 Moving to Node #0,0 Current State: 60:[51, 44, 53], Operations: ['98-45=53'] Exploring Operation: 51-44=7, Resulting Numbers: [53, 7] Generated Node #0,0,0: 60:[53, 7] Operation: 51-44=7 Moving to Node #0,0,0 Current State: 60:[53, 7], Operations: ['98-45=53', '51-44=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 69, 77, 14, 20 ]
26
[ "77-69=8", "14+20=34", "34-8=26" ]
Current State: 26:[69, 77, 14, 20], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [14, 20, 8] Generated Node #2: [14, 20, 8] from Operation: 77-69=8 Current State: 26:[14, 20, 8], Operations: ['77-69=8'] Exploring Operation: 14+20=34, Resulting Numbers: [8, 34] Generated Node #3: [8, 34] from Operation: 14+20=34 Current State: 26:[8, 34], Operations: ['77-69=8', '14+20=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[69, 77, 14, 20], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [14, 20, 8] Generated Node #0,0: 26:[14, 20, 8] Operation: 77-69=8 Moving to Node #0,0 Current State: 26:[14, 20, 8], Operations: ['77-69=8'] Exploring Operation: 20-8=12, Resulting Numbers: [14, 12] Generated Node #0,0,0: 26:[14, 12] Operation: 20-8=12 Moving to Node #0,0,0 Current State: 26:[14, 12], Operations: ['77-69=8', '20-8=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[69, 77, 14, 20], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [14, 20, 8] Generated Node #0,0: 26:[14, 20, 8] Operation: 77-69=8 Moving to Node #0,0 Current State: 26:[14, 20, 8], Operations: ['77-69=8'] Exploring Operation: 20-8=12, Resulting Numbers: [14, 12] Generated Node #0,0,0: 26:[14, 12] Operation: 20-8=12 Moving to Node #0,0,0 Current State: 26:[14, 12], Operations: ['77-69=8', '20-8=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.993924
hs_1
sum_heuristic