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
[ 78, 9, 56, 95 ]
64
[ "78+9=87", "56+95=151", "151-87=64" ]
Current State: 64:[78, 9, 56, 95], Operations: [] Exploring Operation: 78+9=87, Resulting Numbers: [56, 95, 87] Generated Node #2: [56, 95, 87] from Operation: 78+9=87 Current State: 64:[56, 95, 87], Operations: ['78+9=87'] Exploring Operation: 56+95=151, Resulting Numbers: [87, 151] Generated Node #3: [87, 151] from Operation: 56+95=151 Current State: 64:[87, 151], Operations: ['78+9=87', '56+95=151'] Exploring Operation: 151-87=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[78, 9, 56, 95], Operations: [] Exploring Operation: 95-56=39, Resulting Numbers: [78, 9, 39] Generated Node #0,0: 64:[78, 9, 39] Operation: 95-56=39 Exploring Operation: 95-78=17, Resulting Numbers: [9, 56, 17] Generated Node #0,1: 64:[9, 56, 17] Operation: 95-78=17 Moving to Node #0,1 Current State: 64:[9, 56, 17], Operations: ['95-78=17'] Exploring Operation: 17-9=8, Resulting Numbers: [56, 8] Generated Node #0,1,0: 64:[56, 8] Operation: 17-9=8 Exploring Operation: 9+56=65, Resulting Numbers: [17, 65] Generated Node #0,1,1: 64:[17, 65] Operation: 9+56=65 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[17, 65], Operations: ['95-78=17', '9+56=65'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,64 unequal: No Solution Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[56, 8], Operations: ['95-78=17', '17-9=8'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[78, 9, 56, 95], Operations: [] Exploring Operation: 95-78=17, Resulting Numbers: [9, 56, 17] Generated Node #0,1: 64:[9, 56, 17] Operation: 95-78=17 Moving to Node #0,1 Current State: 64:[9, 56, 17], Operations: ['95-78=17'] Exploring Operation: 17-9=8, Resulting Numbers: [56, 8] Generated Node #0,1,0: 64:[56, 8] Operation: 17-9=8 Moving to Node #0,1,0 Current State: 64:[56, 8], Operations: ['95-78=17', '17-9=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 12, 26, 65, 47 ]
74
[ "12+26=38", "65+47=112", "112-38=74" ]
Current State: 74:[12, 26, 65, 47], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [65, 47, 38] Generated Node #2: [65, 47, 38] from Operation: 12+26=38 Current State: 74:[65, 47, 38], Operations: ['12+26=38'] Exploring Operation: 65+47=112, Resulting Numbers: [38, 112] Generated Node #3: [38, 112] from Operation: 65+47=112 Current State: 74:[38, 112], Operations: ['12+26=38', '65+47=112'] Exploring Operation: 112-38=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[12, 26, 65, 47], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [65, 47, 38] Generated Node #0,0: 74:[65, 47, 38] Operation: 12+26=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[65, 47, 38], Operations: ['12+26=38'] Exploring Operation: 47-38=9, Resulting Numbers: [65, 9] Generated Node #0,0,0: 74:[65, 9] Operation: 47-38=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[65, 9], Operations: ['12+26=38', '47-38=9'] Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[12, 26, 65, 47], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [65, 47, 38] Generated Node #0,0: 74:[65, 47, 38] Operation: 12+26=38 Moving to Node #0,0 Current State: 74:[65, 47, 38], Operations: ['12+26=38'] Exploring Operation: 47-38=9, Resulting Numbers: [65, 9] Generated Node #0,0,0: 74:[65, 9] Operation: 47-38=9 Moving to Node #0,0,0 Current State: 74:[65, 9], Operations: ['12+26=38', '47-38=9'] Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 30, 3, 24, 44 ]
70
[ "30*3=90", "44-24=20", "90-20=70" ]
Current State: 70:[30, 3, 24, 44], Operations: [] Exploring Operation: 30*3=90, Resulting Numbers: [24, 44, 90] Generated Node #2: [24, 44, 90] from Operation: 30*3=90 Current State: 70:[24, 44, 90], Operations: ['30*3=90'] Exploring Operation: 44-24=20, Resulting Numbers: [90, 20] Generated Node #3: [90, 20] from Operation: 44-24=20 Current State: 70:[90, 20], Operations: ['30*3=90', '44-24=20'] Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[30, 3, 24, 44], Operations: [] Exploring Operation: 24+44=68, Resulting Numbers: [30, 3, 68] Generated Node #0,0: 70:[30, 3, 68] Operation: 24+44=68 Exploring Operation: 30-24=6, Resulting Numbers: [3, 44, 6] Generated Node #0,1: 70:[3, 44, 6] Operation: 30-24=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[30, 3, 68], Operations: ['24+44=68'] Exploring Operation: 30+3=33, Resulting Numbers: [68, 33] Generated Node #0,0,0: 70:[68, 33] Operation: 30+3=33 Exploring Operation: 30/3=10, Resulting Numbers: [68, 10] Generated Node #0,0,1: 70:[68, 10] Operation: 30/3=10 Moving to Node #0,0,1 Current State: 70:[68, 10], Operations: ['24+44=68', '30/3=10'] Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[68, 33], Operations: ['24+44=68', '30+3=33'] Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 68+33=101, Resulting Numbers: [101] 101,70 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 #0,1 Current State: 70:[3, 44, 6], Operations: ['30-24=6'] Exploring Operation: 44-6=38, Resulting Numbers: [3, 38] Generated Node #0,1,0: 70:[3, 38] Operation: 44-6=38 Exploring Operation: 44-3=41, Resulting Numbers: [6, 41] Generated Node #0,1,1: 70:[6, 41] Operation: 44-3=41 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[3, 38], Operations: ['30-24=6', '44-6=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,70 unequal: No Solution No 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: 70:[6, 41], Operations: ['30-24=6', '44-3=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 11, 86, 2, 64 ]
97
[ "11+64=75", "86*2=172", "172-75=97" ]
Current State: 97:[11, 86, 2, 64], Operations: [] Exploring Operation: 11+64=75, Resulting Numbers: [86, 2, 75] Generated Node #2: [86, 2, 75] from Operation: 11+64=75 Current State: 97:[86, 2, 75], Operations: ['11+64=75'] Exploring Operation: 86*2=172, Resulting Numbers: [75, 172] Generated Node #3: [75, 172] from Operation: 86*2=172 Current State: 97:[75, 172], Operations: ['11+64=75', '86*2=172'] Exploring Operation: 172-75=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[11, 86, 2, 64], Operations: [] Exploring Operation: 11+2=13, Resulting Numbers: [86, 64, 13] Generated Node #0,0: 97:[86, 64, 13] Operation: 11+2=13 Exploring Operation: 11+86=97, Resulting Numbers: [2, 64, 97] Generated Node #0,1: 97:[2, 64, 97] Operation: 11+86=97 Exploring Operation: 11*2=22, Resulting Numbers: [86, 64, 22] Generated Node #0,2: 97:[86, 64, 22] Operation: 11*2=22 Moving to Node #0,2 Current State: 97:[86, 64, 22], Operations: ['11*2=22'] Exploring Operation: 64+22=86, Resulting Numbers: [86, 86] Generated Node #0,2,0: 97:[86, 86] Operation: 64+22=86 Exploring Operation: 86-22=64, Resulting Numbers: [64, 64] Generated Node #0,2,1: 97:[64, 64] Operation: 86-22=64 Exploring Operation: 86+22=108, Resulting Numbers: [64, 108] Generated Node #0,2,2: 97:[64, 108] Operation: 86+22=108 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[86, 86], Operations: ['11*2=22', '64+22=86'] Exploring Operation: 86/86=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 86-86=0, Resulting Numbers: [0] 0,97 unequal: No Solution Exploring Operation: 86+86=172, Resulting Numbers: [172] 172,97 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 #0,2,2 Current State: 97:[64, 108], Operations: ['11*2=22', '86+22=108'] Exploring Operation: 108-64=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 64+108=172, Resulting Numbers: [172] 172,97 unequal: No Solution Exploring Operation: 64*108=6912, Resulting Numbers: [6912] 6912,97 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 #0,2,1 Current State: 97:[64, 64], Operations: ['11*2=22', '86-22=64'] Exploring Operation: 64-64=0, Resulting Numbers: [0] 0,97 unequal: No Solution Exploring Operation: 64+64=128, Resulting Numbers: [128] 128,97 unequal: No Solution Exploring Operation: 64/64=1, Resulting Numbers: [1] 1,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 97:[86, 64, 13], Operations: ['11+2=13'] Exploring Operation: 64+13=77, Resulting Numbers: [86, 77] Generated Node #0,0,0: 97:[86, 77] Operation: 64+13=77 Exploring Operation: 86+13=99, Resulting Numbers: [64, 99] Generated Node #0,0,1: 97:[64, 99] Operation: 86+13=99 Exploring Operation: 86-13=73, Resulting Numbers: [64, 73] Generated Node #0,0,2: 97:[64, 73] Operation: 86-13=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[86, 77], Operations: ['11+2=13', '64+13=77'] Exploring Operation: 86+77=163, Resulting Numbers: [163] 163,97 unequal: No Solution Exploring Operation: 86*77=6622, Resulting Numbers: [6622] 6622,97 unequal: No Solution Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[64, 99], Operations: ['11+2=13', '86+13=99'] Exploring Operation: 64*99=6336, Resulting Numbers: [6336] 6336,97 unequal: No Solution Exploring Operation: 99-64=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 64+99=163, Resulting Numbers: [163] 163,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[64, 73], Operations: ['11+2=13', '86-13=73'] Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,97 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,97 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[2, 64, 97], Operations: ['11+86=97'] Exploring Operation: 64-2=62, Resulting Numbers: [97, 62] Generated Node #0,1,0: 97:[97, 62] Operation: 64-2=62 Exploring Operation: 2*64=128, Resulting Numbers: [97, 128] Generated Node #0,1,1: 97:[97, 128] Operation: 2*64=128 Exploring Operation: 2+64=66, Resulting Numbers: [97, 66] Generated Node #0,1,2: 97:[97, 66] Operation: 2+64=66 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[97, 128], Operations: ['11+86=97', '2*64=128'] Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 97*128=12416, Resulting Numbers: [12416] 12416,97 unequal: No Solution Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[97, 66], Operations: ['11+86=97', '2+64=66'] Exploring Operation: 97+66=163, Resulting Numbers: [163] 163,97 unequal: No Solution Exploring Operation: 97*66=6402, Resulting Numbers: [6402] 6402,97 unequal: No Solution Exploring Operation: 97-66=31, Resulting Numbers: [31] 31,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[97, 62], Operations: ['11+86=97', '64-2=62'] Exploring Operation: 97-62=35, Resulting Numbers: [35] 35,97 unequal: No Solution Exploring Operation: 97+62=159, Resulting Numbers: [159] 159,97 unequal: No Solution Exploring Operation: 97*62=6014, Resulting Numbers: [6014] 6014,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 73, 11, 23, 70 ]
15
[ "73-11=62", "70-23=47", "62-47=15" ]
Current State: 15:[73, 11, 23, 70], Operations: [] Exploring Operation: 73-11=62, Resulting Numbers: [23, 70, 62] Generated Node #2: [23, 70, 62] from Operation: 73-11=62 Current State: 15:[23, 70, 62], Operations: ['73-11=62'] Exploring Operation: 70-23=47, Resulting Numbers: [62, 47] Generated Node #3: [62, 47] from Operation: 70-23=47 Current State: 15:[62, 47], Operations: ['73-11=62', '70-23=47'] Exploring Operation: 62-47=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[73, 11, 23, 70], Operations: [] Exploring Operation: 73-23=50, Resulting Numbers: [11, 70, 50] Generated Node #0,0: 15:[11, 70, 50] Operation: 73-23=50 Exploring Operation: 73-70=3, Resulting Numbers: [11, 23, 3] Generated Node #0,1: 15:[11, 23, 3] Operation: 73-70=3 Exploring Operation: 70-11=59, Resulting Numbers: [73, 23, 59] Generated Node #0,2: 15:[73, 23, 59] Operation: 70-11=59 Exploring Operation: 70-23=47, Resulting Numbers: [73, 11, 47] Generated Node #0,3: 15:[73, 11, 47] Operation: 70-23=47 Exploring Operation: 73-11=62, Resulting Numbers: [23, 70, 62] Generated Node #0,4: 15:[23, 70, 62] Operation: 73-11=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[11, 23, 3], Operations: ['73-70=3'] Exploring Operation: 23+3=26, Resulting Numbers: [11, 26] Generated Node #0,1,0: 15:[11, 26] Operation: 23+3=26 Exploring Operation: 11-3=8, Resulting Numbers: [23, 8] Generated Node #0,1,1: 15:[23, 8] Operation: 11-3=8 Exploring Operation: 23-11=12, Resulting Numbers: [3, 12] Generated Node #0,1,2: 15:[3, 12] Operation: 23-11=12 Exploring Operation: 11+3=14, Resulting Numbers: [23, 14] Generated Node #0,1,3: 15:[23, 14] Operation: 11+3=14 Exploring Operation: 23-3=20, Resulting Numbers: [11, 20] Generated Node #0,1,4: 15:[11, 20] Operation: 23-3=20 Moving to Node #0,1,2 Current State: 15:[3, 12], Operations: ['73-70=3', '23-11=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[73, 11, 23, 70], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [11, 23, 3] Generated Node #0,1: 15:[11, 23, 3] Operation: 73-70=3 Moving to Node #0,1 Current State: 15:[11, 23, 3], Operations: ['73-70=3'] Exploring Operation: 23-11=12, Resulting Numbers: [3, 12] Generated Node #0,1,2: 15:[3, 12] Operation: 23-11=12 Moving to Node #0,1,2 Current State: 15:[3, 12], Operations: ['73-70=3', '23-11=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 35, 61, 75, 85 ]
34
[ "75-61=14", "85*14=1190", "1190/35=34" ]
Current State: 34:[35, 61, 75, 85], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [35, 85, 14] Generated Node #2: [35, 85, 14] from Operation: 75-61=14 Current State: 34:[35, 85, 14], Operations: ['75-61=14'] Exploring Operation: 85*14=1190, Resulting Numbers: [35, 1190] Generated Node #3: [35, 1190] from Operation: 85*14=1190 Current State: 34:[35, 1190], Operations: ['75-61=14', '85*14=1190'] Exploring Operation: 1190/35=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[35, 61, 75, 85], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [35, 61, 10] Generated Node #0,0: 34:[35, 61, 10] Operation: 85-75=10 Exploring Operation: 85-61=24, Resulting Numbers: [35, 75, 24] Generated Node #0,1: 34:[35, 75, 24] Operation: 85-61=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[35, 61, 10], Operations: ['85-75=10'] Exploring Operation: 61-10=51, Resulting Numbers: [35, 51] Generated Node #0,0,0: 34:[35, 51] Operation: 61-10=51 Exploring Operation: 61-35=26, Resulting Numbers: [10, 26] Generated Node #0,0,1: 34:[10, 26] Operation: 61-35=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[10, 26], Operations: ['85-75=10', '61-35=26'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,34 unequal: No Solution No 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: 34:[35, 51], Operations: ['85-75=10', '61-10=51'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[35, 75, 24], Operations: ['85-61=24'] Exploring Operation: 75-24=51, Resulting Numbers: [35, 51] Generated Node #0,1,0: 34:[35, 51] Operation: 75-24=51 Exploring Operation: 75-35=40, Resulting Numbers: [24, 40] Generated Node #0,1,1: 34:[24, 40] Operation: 75-35=40 Moving to Node #0,1,1 Current State: 34:[24, 40], Operations: ['85-61=24', '75-35=40'] Exploring Operation: 24+40=64, Resulting Numbers: [64] 64,34 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[35, 51], Operations: ['85-61=24', '75-24=51'] Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,34 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
[ 92, 45, 86, 36 ]
87
[ "92+45=137", "86-36=50", "137-50=87" ]
Current State: 87:[92, 45, 86, 36], Operations: [] Exploring Operation: 92+45=137, Resulting Numbers: [86, 36, 137] Generated Node #2: [86, 36, 137] from Operation: 92+45=137 Current State: 87:[86, 36, 137], Operations: ['92+45=137'] Exploring Operation: 86-36=50, Resulting Numbers: [137, 50] Generated Node #3: [137, 50] from Operation: 86-36=50 Current State: 87:[137, 50], Operations: ['92+45=137', '86-36=50'] Exploring Operation: 137-50=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[92, 45, 86, 36], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [92, 86, 9] Generated Node #0,0: 87:[92, 86, 9] Operation: 45-36=9 Exploring Operation: 86-45=41, Resulting Numbers: [92, 36, 41] Generated Node #0,1: 87:[92, 36, 41] Operation: 86-45=41 Exploring Operation: 45+36=81, Resulting Numbers: [92, 86, 81] Generated Node #0,2: 87:[92, 86, 81] Operation: 45+36=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[92, 86, 9], Operations: ['45-36=9'] Exploring Operation: 92-9=83, Resulting Numbers: [86, 83] Generated Node #0,0,0: 87:[86, 83] Operation: 92-9=83 Exploring Operation: 86+9=95, Resulting Numbers: [92, 95] Generated Node #0,0,1: 87:[92, 95] Operation: 86+9=95 Exploring Operation: 92-86=6, Resulting Numbers: [9, 6] Generated Node #0,0,2: 87:[9, 6] Operation: 92-86=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[86, 83], Operations: ['45-36=9', '92-9=83'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 86+83=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 86*83=7138, Resulting Numbers: [7138] 7138,87 unequal: No Solution No 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: 87:[9, 6], Operations: ['45-36=9', '92-86=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,87 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,87 unequal: No Solution No 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: 87:[92, 95], Operations: ['45-36=9', '86+9=95'] Exploring Operation: 92*95=8740, Resulting Numbers: [8740] 8740,87 unequal: No Solution Exploring Operation: 95-92=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 92+95=187, Resulting Numbers: [187] 187,87 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: 87:[92, 86, 81], Operations: ['45+36=81'] Exploring Operation: 86-81=5, Resulting Numbers: [92, 5] Generated Node #0,2,0: 87:[92, 5] Operation: 86-81=5 Exploring Operation: 92-86=6, Resulting Numbers: [81, 6] Generated Node #0,2,1: 87:[81, 6] Operation: 92-86=6 Exploring Operation: 92-81=11, Resulting Numbers: [86, 11] Generated Node #0,2,2: 87:[86, 11] Operation: 92-81=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 87:[92, 5], Operations: ['45+36=81', '86-81=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[92, 45, 86, 36], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [92, 86, 81] Generated Node #0,2: 87:[92, 86, 81] Operation: 45+36=81 Moving to Node #0,2 Current State: 87:[92, 86, 81], Operations: ['45+36=81'] Exploring Operation: 86-81=5, Resulting Numbers: [92, 5] Generated Node #0,2,0: 87:[92, 5] Operation: 86-81=5 Moving to Node #0,2,0 Current State: 87:[92, 5], Operations: ['45+36=81', '86-81=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 96, 83, 58, 34 ]
37
[ "96-83=13", "58-34=24", "13+24=37" ]
Current State: 37:[96, 83, 58, 34], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [58, 34, 13] Generated Node #2: [58, 34, 13] from Operation: 96-83=13 Current State: 37:[58, 34, 13], Operations: ['96-83=13'] Exploring Operation: 58-34=24, Resulting Numbers: [13, 24] Generated Node #3: [13, 24] from Operation: 58-34=24 Current State: 37:[13, 24], Operations: ['96-83=13', '58-34=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[96, 83, 58, 34], Operations: [] Exploring Operation: 96-34=62, Resulting Numbers: [83, 58, 62] Generated Node #0,0: 37:[83, 58, 62] Operation: 96-34=62 Exploring Operation: 96-83=13, Resulting Numbers: [58, 34, 13] Generated Node #0,1: 37:[58, 34, 13] Operation: 96-83=13 Exploring Operation: 83-58=25, Resulting Numbers: [96, 34, 25] Generated Node #0,2: 37:[96, 34, 25] Operation: 83-58=25 Exploring Operation: 96-58=38, Resulting Numbers: [83, 34, 38] Generated Node #0,3: 37:[83, 34, 38] Operation: 96-58=38 Moving to Node #0,1 Current State: 37:[58, 34, 13], Operations: ['96-83=13'] Exploring Operation: 58+13=71, Resulting Numbers: [34, 71] Generated Node #0,1,0: 37:[34, 71] Operation: 58+13=71 Exploring Operation: 34+13=47, Resulting Numbers: [58, 47] Generated Node #0,1,1: 37:[58, 47] Operation: 34+13=47 Exploring Operation: 58-34=24, Resulting Numbers: [13, 24] Generated Node #0,1,2: 37:[13, 24] Operation: 58-34=24 Exploring Operation: 58-13=45, Resulting Numbers: [34, 45] Generated Node #0,1,3: 37:[34, 45] Operation: 58-13=45 Moving to Node #0,3 Current State: 37:[83, 34, 38], Operations: ['96-58=38'] Exploring Operation: 83-38=45, Resulting Numbers: [34, 45] Generated Node #0,3,0: 37:[34, 45] Operation: 83-38=45 Exploring Operation: 83-34=49, Resulting Numbers: [38, 49] Generated Node #0,3,1: 37:[38, 49] Operation: 83-34=49 Exploring Operation: 83+34=117, Resulting Numbers: [38, 117] Generated Node #0,3,2: 37:[38, 117] Operation: 83+34=117 Exploring Operation: 38-34=4, Resulting Numbers: [83, 4] Generated Node #0,3,3: 37:[83, 4] Operation: 38-34=4 Moving to Node #0,2 Current State: 37:[96, 34, 25], Operations: ['83-58=25'] Exploring Operation: 96-34=62, Resulting Numbers: [25, 62] Generated Node #0,2,0: 37:[25, 62] Operation: 96-34=62 Exploring Operation: 34+25=59, Resulting Numbers: [96, 59] Generated Node #0,2,1: 37:[96, 59] Operation: 34+25=59 Exploring Operation: 96+25=121, Resulting Numbers: [34, 121] Generated Node #0,2,2: 37:[34, 121] Operation: 96+25=121 Exploring Operation: 96-25=71, Resulting Numbers: [34, 71] Generated Node #0,2,3: 37:[34, 71] Operation: 96-25=71 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[25, 62], Operations: ['83-58=25', '96-34=62'] Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[96, 83, 58, 34], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [96, 34, 25] Generated Node #0,2: 37:[96, 34, 25] Operation: 83-58=25 Moving to Node #0,2 Current State: 37:[96, 34, 25], Operations: ['83-58=25'] Exploring Operation: 96-34=62, Resulting Numbers: [25, 62] Generated Node #0,2,0: 37:[25, 62] Operation: 96-34=62 Moving to Node #0,2,0 Current State: 37:[25, 62], Operations: ['83-58=25', '96-34=62'] Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 85, 34, 88, 68 ]
86
[ "85-68=17", "34/17=2", "88-2=86" ]
Current State: 86:[85, 34, 88, 68], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [34, 88, 17] Generated Node #2: [34, 88, 17] from Operation: 85-68=17 Current State: 86:[34, 88, 17], Operations: ['85-68=17'] Exploring Operation: 34/17=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 34/17=2 Current State: 86:[88, 2], Operations: ['85-68=17', '34/17=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[85, 34, 88, 68], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [85, 88, 2] Generated Node #0,0: 86:[85, 88, 2] Operation: 68/34=2 Exploring Operation: 68-34=34, Resulting Numbers: [85, 88, 34] Generated Node #0,1: 86:[85, 88, 34] Operation: 68-34=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[85, 88, 2], Operations: ['68/34=2'] Exploring Operation: 88-85=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 86:[2, 3] Operation: 88-85=3 Exploring Operation: 88-2=86, Resulting Numbers: [85, 86] Generated Node #0,0,1: 86:[85, 86] Operation: 88-2=86 Moving to Node #0,0,0 Current State: 86:[2, 3], Operations: ['68/34=2', '88-85=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[85, 86], Operations: ['68/34=2', '88-2=86'] Exploring Operation: 86-85=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 85+86=171, Resulting Numbers: [171] 171,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[85, 88, 34], Operations: ['68-34=34'] Exploring Operation: 88-85=3, Resulting Numbers: [34, 3] Generated Node #0,1,0: 86:[34, 3] Operation: 88-85=3 Exploring Operation: 85-34=51, Resulting Numbers: [88, 51] Generated Node #0,1,1: 86:[88, 51] Operation: 85-34=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[34, 3], Operations: ['68-34=34', '88-85=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 34-3=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:[88, 51], Operations: ['68-34=34', '85-34=51'] Exploring Operation: 88-51=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 88+51=139, Resulting Numbers: [139] 139,86 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
[ 3, 39, 7, 72 ]
29
[ "39-3=36", "72-7=65", "65-36=29" ]
Current State: 29:[3, 39, 7, 72], Operations: [] Exploring Operation: 39-3=36, Resulting Numbers: [7, 72, 36] Generated Node #2: [7, 72, 36] from Operation: 39-3=36 Current State: 29:[7, 72, 36], Operations: ['39-3=36'] Exploring Operation: 72-7=65, Resulting Numbers: [36, 65] Generated Node #3: [36, 65] from Operation: 72-7=65 Current State: 29:[36, 65], Operations: ['39-3=36', '72-7=65'] Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[3, 39, 7, 72], Operations: [] Exploring Operation: 3*7=21, Resulting Numbers: [39, 72, 21] Generated Node #0,0: 29:[39, 72, 21] Operation: 3*7=21 Exploring Operation: 72-39=33, Resulting Numbers: [3, 7, 33] Generated Node #0,1: 29:[3, 7, 33] Operation: 72-39=33 Exploring Operation: 72/3=24, Resulting Numbers: [39, 7, 24] Generated Node #0,2: 29:[39, 7, 24] Operation: 72/3=24 Moving to Node #0,2 Current State: 29:[39, 7, 24], Operations: ['72/3=24'] Exploring Operation: 39-7=32, Resulting Numbers: [24, 32] Generated Node #0,2,0: 29:[24, 32] Operation: 39-7=32 Exploring Operation: 39+7=46, Resulting Numbers: [24, 46] Generated Node #0,2,1: 29:[24, 46] Operation: 39+7=46 Exploring Operation: 7+24=31, Resulting Numbers: [39, 31] Generated Node #0,2,2: 29:[39, 31] Operation: 7+24=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[24, 32], Operations: ['72/3=24', '39-7=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,29 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[39, 31], Operations: ['72/3=24', '7+24=31'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,29 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[24, 46], Operations: ['72/3=24', '39+7=46'] Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,29 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,29 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: 29:[3, 7, 33], Operations: ['72-39=33'] Exploring Operation: 3*7=21, Resulting Numbers: [33, 21] Generated Node #0,1,0: 29:[33, 21] Operation: 3*7=21 Exploring Operation: 33-3=30, Resulting Numbers: [7, 30] Generated Node #0,1,1: 29:[7, 30] Operation: 33-3=30 Exploring Operation: 3+7=10, Resulting Numbers: [33, 10] Generated Node #0,1,2: 29:[33, 10] Operation: 3+7=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[33, 21], Operations: ['72-39=33', '3*7=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[7, 30], Operations: ['72-39=33', '33-3=30'] Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,29 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[33, 10], Operations: ['72-39=33', '3+7=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,29 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: 29:[39, 72, 21], Operations: ['3*7=21'] Exploring Operation: 39-21=18, Resulting Numbers: [72, 18] Generated Node #0,0,0: 29:[72, 18] Operation: 39-21=18 Exploring Operation: 72-39=33, Resulting Numbers: [21, 33] Generated Node #0,0,1: 29:[21, 33] Operation: 72-39=33 Exploring Operation: 72-21=51, Resulting Numbers: [39, 51] Generated Node #0,0,2: 29:[39, 51] Operation: 72-21=51 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[21, 33], Operations: ['3*7=21', '72-39=33'] Exploring Operation: 21*33=693, Resulting Numbers: [693] 693,29 unequal: No Solution Exploring Operation: 21+33=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[39, 51], Operations: ['3*7=21', '72-21=51'] Exploring Operation: 39+51=90, Resulting Numbers: [90] 90,29 unequal: No Solution Exploring Operation: 39*51=1989, Resulting Numbers: [1989] 1989,29 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[72, 18], Operations: ['3*7=21', '39-21=18'] Exploring Operation: 72+18=90, Resulting Numbers: [90] 90,29 unequal: No Solution Exploring Operation: 72-18=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 78, 92, 79, 26 ]
76
[ "92-79=13", "26/13=2", "78-2=76" ]
Current State: 76:[78, 92, 79, 26], Operations: [] Exploring Operation: 92-79=13, Resulting Numbers: [78, 26, 13] Generated Node #2: [78, 26, 13] from Operation: 92-79=13 Current State: 76:[78, 26, 13], Operations: ['92-79=13'] Exploring Operation: 26/13=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 26/13=2 Current State: 76:[78, 2], Operations: ['92-79=13', '26/13=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[78, 92, 79, 26], Operations: [] Exploring Operation: 92-79=13, Resulting Numbers: [78, 26, 13] Generated Node #0,0: 76:[78, 26, 13] Operation: 92-79=13 Exploring Operation: 92-78=14, Resulting Numbers: [79, 26, 14] Generated Node #0,1: 76:[79, 26, 14] Operation: 92-78=14 Exploring Operation: 92-26=66, Resulting Numbers: [78, 79, 66] Generated Node #0,2: 76:[78, 79, 66] Operation: 92-26=66 Moving to Node #0,0 Current State: 76:[78, 26, 13], Operations: ['92-79=13'] Exploring Operation: 26/13=2, Resulting Numbers: [78, 2] Generated Node #0,0,0: 76:[78, 2] Operation: 26/13=2 Exploring Operation: 78/26=3, Resulting Numbers: [13, 3] Generated Node #0,0,1: 76:[13, 3] Operation: 78/26=3 Exploring Operation: 26+13=39, Resulting Numbers: [78, 39] Generated Node #0,0,2: 76:[78, 39] Operation: 26+13=39 Moving to Node #0,1 Current State: 76:[79, 26, 14], Operations: ['92-78=14'] Exploring Operation: 26+14=40, Resulting Numbers: [79, 40] Generated Node #0,1,0: 76:[79, 40] Operation: 26+14=40 Exploring Operation: 79-14=65, Resulting Numbers: [26, 65] Generated Node #0,1,1: 76:[26, 65] Operation: 79-14=65 Exploring Operation: 26-14=12, Resulting Numbers: [79, 12] Generated Node #0,1,2: 76:[79, 12] Operation: 26-14=12 Moving to Node #0,2 Current State: 76:[78, 79, 66], Operations: ['92-26=66'] Exploring Operation: 79-78=1, Resulting Numbers: [66, 1] Generated Node #0,2,0: 76:[66, 1] Operation: 79-78=1 Exploring Operation: 79-66=13, Resulting Numbers: [78, 13] Generated Node #0,2,1: 76:[78, 13] Operation: 79-66=13 Exploring Operation: 78-66=12, Resulting Numbers: [79, 12] Generated Node #0,2,2: 76:[79, 12] Operation: 78-66=12 Moving to Node #0,0,0 Current State: 76:[78, 2], Operations: ['92-79=13', '26/13=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[78, 92, 79, 26], Operations: [] Exploring Operation: 92-79=13, Resulting Numbers: [78, 26, 13] Generated Node #0,0: 76:[78, 26, 13] Operation: 92-79=13 Moving to Node #0,0 Current State: 76:[78, 26, 13], Operations: ['92-79=13'] Exploring Operation: 26/13=2, Resulting Numbers: [78, 2] Generated Node #0,0,0: 76:[78, 2] Operation: 26/13=2 Moving to Node #0,0,0 Current State: 76:[78, 2], Operations: ['92-79=13', '26/13=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 23, 35, 8, 13 ]
80
[ "13-8=5", "23*5=115", "115-35=80" ]
Current State: 80:[23, 35, 8, 13], Operations: [] Exploring Operation: 13-8=5, Resulting Numbers: [23, 35, 5] Generated Node #2: [23, 35, 5] from Operation: 13-8=5 Current State: 80:[23, 35, 5], Operations: ['13-8=5'] Exploring Operation: 23*5=115, Resulting Numbers: [35, 115] Generated Node #3: [35, 115] from Operation: 23*5=115 Current State: 80:[35, 115], Operations: ['13-8=5', '23*5=115'] Exploring Operation: 115-35=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[23, 35, 8, 13], Operations: [] Exploring Operation: 35-13=22, Resulting Numbers: [23, 8, 22] Generated Node #0,0: 80:[23, 8, 22] Operation: 35-13=22 Exploring Operation: 35-23=12, Resulting Numbers: [8, 13, 12] Generated Node #0,1: 80:[8, 13, 12] Operation: 35-23=12 Exploring Operation: 23-13=10, Resulting Numbers: [35, 8, 10] Generated Node #0,2: 80:[35, 8, 10] Operation: 23-13=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[23, 8, 22], Operations: ['35-13=22'] Exploring Operation: 23-22=1, Resulting Numbers: [8, 1] Generated Node #0,0,0: 80:[8, 1] Operation: 23-22=1 Exploring Operation: 23+22=45, Resulting Numbers: [8, 45] Generated Node #0,0,1: 80:[8, 45] Operation: 23+22=45 Exploring Operation: 23-8=15, Resulting Numbers: [22, 15] Generated Node #0,0,2: 80:[22, 15] Operation: 23-8=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[8, 1], Operations: ['35-13=22', '23-22=1'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,80 unequal: No Solution No 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: 80:[22, 15], Operations: ['35-13=22', '23-8=15'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,80 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,80 unequal: No Solution No 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: 80:[8, 45], Operations: ['35-13=22', '23+22=45'] Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,80 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,80 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: 80:[8, 13, 12], Operations: ['35-23=12'] Exploring Operation: 13-12=1, Resulting Numbers: [8, 1] Generated Node #0,1,0: 80:[8, 1] Operation: 13-12=1 Exploring Operation: 13-8=5, Resulting Numbers: [12, 5] Generated Node #0,1,1: 80:[12, 5] Operation: 13-8=5 Exploring Operation: 8+13=21, Resulting Numbers: [12, 21] Generated Node #0,1,2: 80:[12, 21] Operation: 8+13=21 Moving to Node #0,1,0 Current State: 80:[8, 1], Operations: ['35-23=12', '13-12=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[12, 5], Operations: ['35-23=12', '13-8=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[12, 21], Operations: ['35-23=12', '8+13=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,80 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[35, 8, 10], Operations: ['23-13=10'] Exploring Operation: 35+10=45, Resulting Numbers: [8, 45] Generated Node #0,2,0: 80:[8, 45] Operation: 35+10=45 Exploring Operation: 35+8=43, Resulting Numbers: [10, 43] Generated Node #0,2,1: 80:[10, 43] Operation: 35+8=43 Exploring Operation: 35-10=25, Resulting Numbers: [8, 25] Generated Node #0,2,2: 80:[8, 25] Operation: 35-10=25 Moving to Node #0,2,1 Current State: 80:[10, 43], Operations: ['23-13=10', '35+8=43'] Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,80 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[8, 45], Operations: ['23-13=10', '35+10=45'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,80 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,80 unequal: No Solution Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[8, 25], Operations: ['23-13=10', '35-10=25'] Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,80 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,80 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 74, 72, 29, 80 ]
17
[ "80-74=6", "72/6=12", "29-12=17" ]
Current State: 17:[74, 72, 29, 80], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [72, 29, 6] Generated Node #2: [72, 29, 6] from Operation: 80-74=6 Current State: 17:[72, 29, 6], Operations: ['80-74=6'] Exploring Operation: 72/6=12, Resulting Numbers: [29, 12] Generated Node #3: [29, 12] from Operation: 72/6=12 Current State: 17:[29, 12], Operations: ['80-74=6', '72/6=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[74, 72, 29, 80], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [74, 29, 8] Generated Node #0,0: 17:[74, 29, 8] Operation: 80-72=8 Exploring Operation: 80-74=6, Resulting Numbers: [72, 29, 6] Generated Node #0,1: 17:[72, 29, 6] Operation: 80-74=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[74, 29, 8], Operations: ['80-72=8'] Exploring Operation: 74-29=45, Resulting Numbers: [8, 45] Generated Node #0,0,0: 17:[8, 45] Operation: 74-29=45 Exploring Operation: 74-8=66, Resulting Numbers: [29, 66] Generated Node #0,0,1: 17:[29, 66] Operation: 74-8=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[8, 45], Operations: ['80-72=8', '74-29=45'] Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,17 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[29, 66], Operations: ['80-72=8', '74-8=66'] Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[72, 29, 6], Operations: ['80-74=6'] Exploring Operation: 72/6=12, Resulting Numbers: [29, 12] Generated Node #0,1,0: 17:[29, 12] Operation: 72/6=12 Exploring Operation: 72-29=43, Resulting Numbers: [6, 43] Generated Node #0,1,1: 17:[6, 43] Operation: 72-29=43 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[29, 12], Operations: ['80-74=6', '72/6=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[74, 72, 29, 80], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [72, 29, 6] Generated Node #0,1: 17:[72, 29, 6] Operation: 80-74=6 Moving to Node #0,1 Current State: 17:[72, 29, 6], Operations: ['80-74=6'] Exploring Operation: 72/6=12, Resulting Numbers: [29, 12] Generated Node #0,1,0: 17:[29, 12] Operation: 72/6=12 Moving to Node #0,1,0 Current State: 17:[29, 12], Operations: ['80-74=6', '72/6=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 99, 34, 55, 72 ]
74
[ "55*72=3960", "3960/99=40", "34+40=74" ]
Current State: 74:[99, 34, 55, 72], Operations: [] Exploring Operation: 55*72=3960, Resulting Numbers: [99, 34, 3960] Generated Node #2: [99, 34, 3960] from Operation: 55*72=3960 Current State: 74:[99, 34, 3960], Operations: ['55*72=3960'] Exploring Operation: 3960/99=40, Resulting Numbers: [34, 40] Generated Node #3: [34, 40] from Operation: 3960/99=40 Current State: 74:[34, 40], Operations: ['55*72=3960', '3960/99=40'] Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[99, 34, 55, 72], Operations: [] Exploring Operation: 99-55=44, Resulting Numbers: [34, 72, 44] Generated Node #0,0: 74:[34, 72, 44] Operation: 99-55=44 Moving to Node #0,0 Current State: 74:[34, 72, 44], Operations: ['99-55=44'] Exploring Operation: 34+44=78, Resulting Numbers: [72, 78] Generated Node #0,0,0: 74:[72, 78] Operation: 34+44=78 Moving to Node #0,0,0 Current State: 74:[72, 78], Operations: ['99-55=44', '34+44=78'] Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,74 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 75, 2, 40, 60 ]
85
[ "75+40=115", "60/2=30", "115-30=85" ]
Current State: 85:[75, 2, 40, 60], Operations: [] Exploring Operation: 75+40=115, Resulting Numbers: [2, 60, 115] Generated Node #2: [2, 60, 115] from Operation: 75+40=115 Current State: 85:[2, 60, 115], Operations: ['75+40=115'] Exploring Operation: 60/2=30, Resulting Numbers: [115, 30] Generated Node #3: [115, 30] from Operation: 60/2=30 Current State: 85:[115, 30], Operations: ['75+40=115', '60/2=30'] Exploring Operation: 115-30=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[75, 2, 40, 60], Operations: [] Exploring Operation: 40+60=100, Resulting Numbers: [75, 2, 100] Generated Node #0,0: 85:[75, 2, 100] Operation: 40+60=100 Exploring Operation: 75-60=15, Resulting Numbers: [2, 40, 15] Generated Node #0,1: 85:[2, 40, 15] Operation: 75-60=15 Exploring Operation: 60-40=20, Resulting Numbers: [75, 2, 20] Generated Node #0,2: 85:[75, 2, 20] Operation: 60-40=20 Moving to Node #0,2 Current State: 85:[75, 2, 20], Operations: ['60-40=20'] Exploring Operation: 20-2=18, Resulting Numbers: [75, 18] Generated Node #0,2,0: 85:[75, 18] Operation: 20-2=18 Exploring Operation: 75+20=95, Resulting Numbers: [2, 95] Generated Node #0,2,1: 85:[2, 95] Operation: 75+20=95 Exploring Operation: 75+2=77, Resulting Numbers: [20, 77] Generated Node #0,2,2: 85:[20, 77] Operation: 75+2=77 Moving to Node #0,0 Current State: 85:[75, 2, 100], Operations: ['40+60=100'] Exploring Operation: 100-2=98, Resulting Numbers: [75, 98] Generated Node #0,0,0: 85:[75, 98] Operation: 100-2=98 Exploring Operation: 75+2=77, Resulting Numbers: [100, 77] Generated Node #0,0,1: 85:[100, 77] Operation: 75+2=77 Exploring Operation: 100-75=25, Resulting Numbers: [2, 25] Generated Node #0,0,2: 85:[2, 25] Operation: 100-75=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[2, 25], Operations: ['40+60=100', '100-75=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,85 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 #0,0,0 Current State: 85:[75, 98], Operations: ['40+60=100', '100-2=98'] Exploring Operation: 75*98=7350, Resulting Numbers: [7350] 7350,85 unequal: No Solution Exploring Operation: 98-75=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 75+98=173, Resulting Numbers: [173] 173,85 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 #0,0,1 Current State: 85:[100, 77], Operations: ['40+60=100', '75+2=77'] Exploring Operation: 100*77=7700, Resulting Numbers: [7700] 7700,85 unequal: No Solution Exploring Operation: 100+77=177, Resulting Numbers: [177] 177,85 unequal: No Solution Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,85 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: 85:[2, 40, 15], Operations: ['75-60=15'] Exploring Operation: 2*40=80, Resulting Numbers: [15, 80] Generated Node #0,1,0: 85:[15, 80] Operation: 2*40=80 Exploring Operation: 40/2=20, Resulting Numbers: [15, 20] Generated Node #0,1,1: 85:[15, 20] Operation: 40/2=20 Exploring Operation: 40-15=25, Resulting Numbers: [2, 25] Generated Node #0,1,2: 85:[2, 25] Operation: 40-15=25 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[15, 20], Operations: ['75-60=15', '40/2=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,85 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,85 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 #0,1,0 Current State: 85:[15, 80], Operations: ['75-60=15', '2*40=80'] Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 15+80=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 15*80=1200, Resulting Numbers: [1200] 1200,85 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 #0,1,2 Current State: 85:[2, 25], Operations: ['75-60=15', '40-15=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 85:[75, 18], Operations: ['60-40=20', '20-2=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,85 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[20, 77], Operations: ['60-40=20', '75+2=77'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,85 unequal: No Solution Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[2, 95], Operations: ['60-40=20', '75+20=95'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,85 unequal: No Solution Exploring Operation: 2*95=190, Resulting Numbers: [190] 190,85 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 83, 69, 99, 21 ]
66
[ "83-69=14", "99*14=1386", "1386/21=66" ]
Current State: 66:[83, 69, 99, 21], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [99, 21, 14] Generated Node #2: [99, 21, 14] from Operation: 83-69=14 Current State: 66:[99, 21, 14], Operations: ['83-69=14'] Exploring Operation: 99*14=1386, Resulting Numbers: [21, 1386] Generated Node #3: [21, 1386] from Operation: 99*14=1386 Current State: 66:[21, 1386], Operations: ['83-69=14', '99*14=1386'] Exploring Operation: 1386/21=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[83, 69, 99, 21], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [69, 21, 16] Generated Node #0,0: 66:[69, 21, 16] Operation: 99-83=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[69, 21, 16], Operations: ['99-83=16'] Exploring Operation: 21-16=5, Resulting Numbers: [69, 5] Generated Node #0,0,0: 66:[69, 5] Operation: 21-16=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[69, 5], Operations: ['99-83=16', '21-16=5'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,66 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_1
sum_heuristic
[ 19, 46, 17, 88 ]
90
[ "19-17=2", "88/2=44", "46+44=90" ]
Current State: 90:[19, 46, 17, 88], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [46, 88, 2] Generated Node #2: [46, 88, 2] from Operation: 19-17=2 Current State: 90:[46, 88, 2], Operations: ['19-17=2'] Exploring Operation: 88/2=44, Resulting Numbers: [46, 44] Generated Node #3: [46, 44] from Operation: 88/2=44 Current State: 90:[46, 44], Operations: ['19-17=2', '88/2=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[19, 46, 17, 88], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [46, 88, 2] Generated Node #0,0: 90:[46, 88, 2] Operation: 19-17=2 Moving to Node #0,0 Current State: 90:[46, 88, 2], Operations: ['19-17=2'] Exploring Operation: 88+2=90, Resulting Numbers: [46, 90] Generated Node #0,0,0: 90:[46, 90] Operation: 88+2=90 Moving to Node #0,0,0 Current State: 90:[46, 90], Operations: ['19-17=2', '88+2=90'] Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,90 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 64, 88, 5, 55 ]
26
[ "88-64=24", "55-5=50", "50-24=26" ]
Current State: 26:[64, 88, 5, 55], Operations: [] Exploring Operation: 88-64=24, Resulting Numbers: [5, 55, 24] Generated Node #2: [5, 55, 24] from Operation: 88-64=24 Current State: 26:[5, 55, 24], Operations: ['88-64=24'] Exploring Operation: 55-5=50, Resulting Numbers: [24, 50] Generated Node #3: [24, 50] from Operation: 55-5=50 Current State: 26:[24, 50], Operations: ['88-64=24', '55-5=50'] Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[64, 88, 5, 55], Operations: [] Exploring Operation: 88-64=24, Resulting Numbers: [5, 55, 24] Generated Node #0,0: 26:[5, 55, 24] Operation: 88-64=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[5, 55, 24], Operations: ['88-64=24'] Exploring Operation: 55/5=11, Resulting Numbers: [24, 11] Generated Node #0,0,0: 26:[24, 11] Operation: 55/5=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[24, 11], Operations: ['88-64=24', '55/5=11'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 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
[ 68, 22, 5, 3 ]
38
[ "68-22=46", "5+3=8", "46-8=38" ]
Current State: 38:[68, 22, 5, 3], Operations: [] Exploring Operation: 68-22=46, Resulting Numbers: [5, 3, 46] Generated Node #2: [5, 3, 46] from Operation: 68-22=46 Current State: 38:[5, 3, 46], Operations: ['68-22=46'] Exploring Operation: 5+3=8, Resulting Numbers: [46, 8] Generated Node #3: [46, 8] from Operation: 5+3=8 Current State: 38:[46, 8], Operations: ['68-22=46', '5+3=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[68, 22, 5, 3], Operations: [] Exploring Operation: 68-22=46, Resulting Numbers: [5, 3, 46] Generated Node #0,0: 38:[5, 3, 46] Operation: 68-22=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[5, 3, 46], Operations: ['68-22=46'] Exploring Operation: 46-5=41, Resulting Numbers: [3, 41] Generated Node #0,0,0: 38:[3, 41] Operation: 46-5=41 Moving to Node #0,0,0 Current State: 38:[3, 41], Operations: ['68-22=46', '46-5=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[68, 22, 5, 3], Operations: [] Exploring Operation: 68-22=46, Resulting Numbers: [5, 3, 46] Generated Node #0,0: 38:[5, 3, 46] Operation: 68-22=46 Moving to Node #0,0 Current State: 38:[5, 3, 46], Operations: ['68-22=46'] Exploring Operation: 46-5=41, Resulting Numbers: [3, 41] Generated Node #0,0,0: 38:[3, 41] Operation: 46-5=41 Moving to Node #0,0,0 Current State: 38:[3, 41], Operations: ['68-22=46', '46-5=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 41, 76, 32, 82 ]
88
[ "82/41=2", "76-32=44", "2*44=88" ]
Current State: 88:[41, 76, 32, 82], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [76, 32, 2] Generated Node #2: [76, 32, 2] from Operation: 82/41=2 Current State: 88:[76, 32, 2], Operations: ['82/41=2'] Exploring Operation: 76-32=44, Resulting Numbers: [2, 44] Generated Node #3: [2, 44] from Operation: 76-32=44 Current State: 88:[2, 44], Operations: ['82/41=2', '76-32=44'] Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[41, 76, 32, 82], Operations: [] Exploring Operation: 82-76=6, Resulting Numbers: [41, 32, 6] Generated Node #0,0: 88:[41, 32, 6] Operation: 82-76=6 Exploring Operation: 76-32=44, Resulting Numbers: [41, 82, 44] Generated Node #0,1: 88:[41, 82, 44] Operation: 76-32=44 Exploring Operation: 41-32=9, Resulting Numbers: [76, 82, 9] Generated Node #0,2: 88:[76, 82, 9] Operation: 41-32=9 Moving to Node #0,1 Current State: 88:[41, 82, 44], Operations: ['76-32=44'] Exploring Operation: 44-41=3, Resulting Numbers: [82, 3] Generated Node #0,1,0: 88:[82, 3] Operation: 44-41=3 Exploring Operation: 82/41=2, Resulting Numbers: [44, 2] Generated Node #0,1,1: 88:[44, 2] Operation: 82/41=2 Exploring Operation: 82-41=41, Resulting Numbers: [44, 41] Generated Node #0,1,2: 88:[44, 41] Operation: 82-41=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[44, 2], Operations: ['76-32=44', '82/41=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[41, 76, 32, 82], Operations: [] Exploring Operation: 76-32=44, Resulting Numbers: [41, 82, 44] Generated Node #0,1: 88:[41, 82, 44] Operation: 76-32=44 Moving to Node #0,1 Current State: 88:[41, 82, 44], Operations: ['76-32=44'] Exploring Operation: 82/41=2, Resulting Numbers: [44, 2] Generated Node #0,1,1: 88:[44, 2] Operation: 82/41=2 Moving to Node #0,1,1 Current State: 88:[44, 2], Operations: ['76-32=44', '82/41=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 61, 89, 48, 29 ]
35
[ "61*29=1769", "1769-89=1680", "1680/48=35" ]
Current State: 35:[61, 89, 48, 29], Operations: [] Exploring Operation: 61*29=1769, Resulting Numbers: [89, 48, 1769] Generated Node #2: [89, 48, 1769] from Operation: 61*29=1769 Current State: 35:[89, 48, 1769], Operations: ['61*29=1769'] Exploring Operation: 1769-89=1680, Resulting Numbers: [48, 1680] Generated Node #3: [48, 1680] from Operation: 1769-89=1680 Current State: 35:[48, 1680], Operations: ['61*29=1769', '1769-89=1680'] Exploring Operation: 1680/48=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[61, 89, 48, 29], Operations: [] Exploring Operation: 89-48=41, Resulting Numbers: [61, 29, 41] Generated Node #0,0: 35:[61, 29, 41] Operation: 89-48=41 Exploring Operation: 89-29=60, Resulting Numbers: [61, 48, 60] Generated Node #0,1: 35:[61, 48, 60] Operation: 89-29=60 Exploring Operation: 89-61=28, Resulting Numbers: [48, 29, 28] Generated Node #0,2: 35:[48, 29, 28] Operation: 89-61=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[48, 29, 28], Operations: ['89-61=28'] Exploring Operation: 48-29=19, Resulting Numbers: [28, 19] Generated Node #0,2,0: 35:[28, 19] Operation: 48-29=19 Exploring Operation: 48-28=20, Resulting Numbers: [29, 20] Generated Node #0,2,1: 35:[29, 20] Operation: 48-28=20 Exploring Operation: 29-28=1, Resulting Numbers: [48, 1] Generated Node #0,2,2: 35:[48, 1] Operation: 29-28=1 Moving to Node #0,2,2 Current State: 35:[48, 1], Operations: ['89-61=28', '29-28=1'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[28, 19], Operations: ['89-61=28', '48-29=19'] Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 28*19=532, Resulting Numbers: [532] 532,35 unequal: No Solution Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[29, 20], Operations: ['89-61=28', '48-28=20'] Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,35 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,35 unequal: No Solution No 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: 35:[61, 29, 41], Operations: ['89-48=41'] Exploring Operation: 61-41=20, Resulting Numbers: [29, 20] Generated Node #0,0,0: 35:[29, 20] Operation: 61-41=20 Exploring Operation: 41-29=12, Resulting Numbers: [61, 12] Generated Node #0,0,1: 35:[61, 12] Operation: 41-29=12 Exploring Operation: 61-29=32, Resulting Numbers: [41, 32] Generated Node #0,0,2: 35:[41, 32] Operation: 61-29=32 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[41, 32], Operations: ['89-48=41', '61-29=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,35 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,35 unequal: No Solution No 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: 35:[29, 20], Operations: ['89-48=41', '61-41=20'] Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,35 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,35 unequal: No Solution No 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: 35:[61, 12], Operations: ['89-48=41', '41-29=12'] Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,35 unequal: No Solution Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,35 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: 35:[61, 48, 60], Operations: ['89-29=60'] Exploring Operation: 61-60=1, Resulting Numbers: [48, 1] Generated Node #0,1,0: 35:[48, 1] Operation: 61-60=1 Exploring Operation: 60-48=12, Resulting Numbers: [61, 12] Generated Node #0,1,1: 35:[61, 12] Operation: 60-48=12 Exploring Operation: 61-48=13, Resulting Numbers: [60, 13] Generated Node #0,1,2: 35:[60, 13] Operation: 61-48=13 Moving to Node #0,1,0 Current State: 35:[48, 1], Operations: ['89-29=60', '61-60=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[61, 12], Operations: ['89-29=60', '60-48=12'] Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,35 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[60, 13], Operations: ['89-29=60', '61-48=13'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 60*13=780, Resulting Numbers: [780] 780,35 unequal: No Solution Exploring Operation: 60+13=73, Resulting Numbers: [73] 73,35 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
[ 40, 62, 13, 26 ]
51
[ "40+62=102", "26/13=2", "102/2=51" ]
Current State: 51:[40, 62, 13, 26], Operations: [] Exploring Operation: 40+62=102, Resulting Numbers: [13, 26, 102] Generated Node #2: [13, 26, 102] from Operation: 40+62=102 Current State: 51:[13, 26, 102], Operations: ['40+62=102'] Exploring Operation: 26/13=2, Resulting Numbers: [102, 2] Generated Node #3: [102, 2] from Operation: 26/13=2 Current State: 51:[102, 2], Operations: ['40+62=102', '26/13=2'] Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[40, 62, 13, 26], Operations: [] Exploring Operation: 40+13=53, Resulting Numbers: [62, 26, 53] Generated Node #0,0: 51:[62, 26, 53] Operation: 40+13=53 Exploring Operation: 62-40=22, Resulting Numbers: [13, 26, 22] Generated Node #0,1: 51:[13, 26, 22] Operation: 62-40=22 Exploring Operation: 40-26=14, Resulting Numbers: [62, 13, 14] Generated Node #0,2: 51:[62, 13, 14] Operation: 40-26=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[13, 26, 22], Operations: ['62-40=22'] Exploring Operation: 26+22=48, Resulting Numbers: [13, 48] Generated Node #0,1,0: 51:[13, 48] Operation: 26+22=48 Exploring Operation: 26/13=2, Resulting Numbers: [22, 2] Generated Node #0,1,1: 51:[22, 2] Operation: 26/13=2 Exploring Operation: 26-22=4, Resulting Numbers: [13, 4] Generated Node #0,1,2: 51:[13, 4] Operation: 26-22=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 51:[13, 4], Operations: ['62-40=22', '26-22=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,51 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:[22, 2], Operations: ['62-40=22', '26/13=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,51 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 #0,1,0 Current State: 51:[13, 48], Operations: ['62-40=22', '26+22=48'] Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,51 unequal: No Solution Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,51 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 #0,2 Current State: 51:[62, 13, 14], Operations: ['40-26=14'] Exploring Operation: 62-13=49, Resulting Numbers: [14, 49] Generated Node #0,2,0: 51:[14, 49] Operation: 62-13=49 Exploring Operation: 14-13=1, Resulting Numbers: [62, 1] Generated Node #0,2,1: 51:[62, 1] Operation: 14-13=1 Exploring Operation: 62-14=48, Resulting Numbers: [13, 48] Generated Node #0,2,2: 51:[13, 48] Operation: 62-14=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[14, 49], Operations: ['40-26=14', '62-13=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,51 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[13, 48], Operations: ['40-26=14', '62-14=48'] Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,51 unequal: No Solution Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,51 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:[62, 1], Operations: ['40-26=14', '14-13=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,51 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:[62, 26, 53], Operations: ['40+13=53'] Exploring Operation: 62-53=9, Resulting Numbers: [26, 9] Generated Node #0,0,0: 51:[26, 9] Operation: 62-53=9 Exploring Operation: 62-26=36, Resulting Numbers: [53, 36] Generated Node #0,0,1: 51:[53, 36] Operation: 62-26=36 Exploring Operation: 53-26=27, Resulting Numbers: [62, 27] Generated Node #0,0,2: 51:[62, 27] Operation: 53-26=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[26, 9], Operations: ['40+13=53', '62-53=9'] Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,51 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:[53, 36], Operations: ['40+13=53', '62-26=36'] Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,51 unequal: No Solution Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,51 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,51 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 #0,0,2 Current State: 51:[62, 27], Operations: ['40+13=53', '53-26=27'] Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,51 unequal: No Solution Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,51 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,51 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_3
mult_heuristic
[ 46, 57, 43, 29 ]
23
[ "46*43=1978", "57+29=86", "1978/86=23" ]
Current State: 23:[46, 57, 43, 29], Operations: [] Exploring Operation: 46*43=1978, Resulting Numbers: [57, 29, 1978] Generated Node #2: [57, 29, 1978] from Operation: 46*43=1978 Current State: 23:[57, 29, 1978], Operations: ['46*43=1978'] Exploring Operation: 57+29=86, Resulting Numbers: [1978, 86] Generated Node #3: [1978, 86] from Operation: 57+29=86 Current State: 23:[1978, 86], Operations: ['46*43=1978', '57+29=86'] Exploring Operation: 1978/86=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[46, 57, 43, 29], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [46, 29, 14] Generated Node #0,0: 23:[46, 29, 14] Operation: 57-43=14 Exploring Operation: 57-29=28, Resulting Numbers: [46, 43, 28] Generated Node #0,1: 23:[46, 43, 28] Operation: 57-29=28 Exploring Operation: 57-46=11, Resulting Numbers: [43, 29, 11] Generated Node #0,2: 23:[43, 29, 11] Operation: 57-46=11 Exploring Operation: 46-43=3, Resulting Numbers: [57, 29, 3] Generated Node #0,3: 23:[57, 29, 3] Operation: 46-43=3 Moving to Node #0,0 Current State: 23:[46, 29, 14], Operations: ['57-43=14'] Exploring Operation: 46+14=60, Resulting Numbers: [29, 60] Generated Node #0,0,0: 23:[29, 60] Operation: 46+14=60 Exploring Operation: 46-14=32, Resulting Numbers: [29, 32] Generated Node #0,0,1: 23:[29, 32] Operation: 46-14=32 Exploring Operation: 29-14=15, Resulting Numbers: [46, 15] Generated Node #0,0,2: 23:[46, 15] Operation: 29-14=15 Exploring Operation: 46-29=17, Resulting Numbers: [14, 17] Generated Node #0,0,3: 23:[14, 17] Operation: 46-29=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[29, 32], Operations: ['57-43=14', '46-14=32'] Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,23 unequal: No Solution Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,23 unequal: No Solution Exploring Operation: 32-29=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 #0,0,3 Current State: 23:[14, 17], Operations: ['57-43=14', '46-29=17'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,23 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:[46, 15], Operations: ['57-43=14', '29-14=15'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,23 unequal: No Solution Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,23 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:[29, 60], Operations: ['57-43=14', '46+14=60'] Exploring Operation: 29*60=1740, Resulting Numbers: [1740] 1740,23 unequal: No Solution Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,23 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:[43, 29, 11], Operations: ['57-46=11'] Exploring Operation: 43+11=54, Resulting Numbers: [29, 54] Generated Node #0,2,0: 23:[29, 54] Operation: 43+11=54 Exploring Operation: 43-11=32, Resulting Numbers: [29, 32] Generated Node #0,2,1: 23:[29, 32] Operation: 43-11=32 Exploring Operation: 43-29=14, Resulting Numbers: [11, 14] Generated Node #0,2,2: 23:[11, 14] Operation: 43-29=14 Exploring Operation: 29-11=18, Resulting Numbers: [43, 18] Generated Node #0,2,3: 23:[43, 18] Operation: 29-11=18 Moving to Node #0,1 Current State: 23:[46, 43, 28], Operations: ['57-29=28'] Exploring Operation: 46-43=3, Resulting Numbers: [28, 3] Generated Node #0,1,0: 23:[28, 3] Operation: 46-43=3 Exploring Operation: 46-28=18, Resulting Numbers: [43, 18] Generated Node #0,1,1: 23:[43, 18] Operation: 46-28=18 Exploring Operation: 43-28=15, Resulting Numbers: [46, 15] Generated Node #0,1,2: 23:[46, 15] Operation: 43-28=15 Exploring Operation: 46+43=89, Resulting Numbers: [28, 89] Generated Node #0,1,3: 23:[28, 89] Operation: 46+43=89 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[28, 3], Operations: ['57-29=28', '46-43=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[43, 18], Operations: ['57-29=28', '46-28=18'] Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,23 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[46, 15], Operations: ['57-29=28', '43-28=15'] Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,23 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[28, 89], Operations: ['57-29=28', '46+43=89'] Exploring Operation: 28+89=117, Resulting Numbers: [117] 117,23 unequal: No Solution Exploring Operation: 28*89=2492, Resulting Numbers: [2492] 2492,23 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,23 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: 23:[57, 29, 3], Operations: ['46-43=3'] Exploring Operation: 57-29=28, Resulting Numbers: [3, 28] Generated Node #0,3,0: 23:[3, 28] Operation: 57-29=28 Exploring Operation: 29-3=26, Resulting Numbers: [57, 26] Generated Node #0,3,1: 23:[57, 26] Operation: 29-3=26 Exploring Operation: 57/3=19, Resulting Numbers: [29, 19] Generated Node #0,3,2: 23:[29, 19] Operation: 57/3=19 Exploring Operation: 57-3=54, Resulting Numbers: [29, 54] Generated Node #0,3,3: 23:[29, 54] Operation: 57-3=54 Moving to Node #0,3,2 Current State: 23:[29, 19], Operations: ['46-43=3', '57/3=19'] Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[29, 32], Operations: ['57-46=11', '43-11=32'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,23 unequal: No Solution Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[11, 14], Operations: ['57-46=11', '43-29=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,23 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[43, 18], Operations: ['57-46=11', '29-11=18'] Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,23 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[3, 28], Operations: ['46-43=3', '57-29=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,23 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[57, 26], Operations: ['46-43=3', '29-3=26'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 57*26=1482, Resulting Numbers: [1482] 1482,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[29, 54], Operations: ['46-43=3', '57-3=54'] Exploring Operation: 29*54=1566, Resulting Numbers: [1566] 1566,23 unequal: No Solution Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 29+54=83, Resulting Numbers: [83] 83,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[29, 54], Operations: ['57-46=11', '43+11=54'] Exploring Operation: 29+54=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 29*54=1566, Resulting Numbers: [1566] 1566,23 unequal: No Solution Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,23 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 24, 4, 36, 12 ]
93
[ "24*4=96", "36/12=3", "96-3=93" ]
Current State: 93:[24, 4, 36, 12], Operations: [] Exploring Operation: 24*4=96, Resulting Numbers: [36, 12, 96] Generated Node #2: [36, 12, 96] from Operation: 24*4=96 Current State: 93:[36, 12, 96], Operations: ['24*4=96'] Exploring Operation: 36/12=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 36/12=3 Current State: 93:[96, 3], Operations: ['24*4=96', '36/12=3'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[24, 4, 36, 12], Operations: [] Exploring Operation: 24+12=36, Resulting Numbers: [4, 36, 36] Generated Node #0,0: 93:[4, 36, 36] Operation: 24+12=36 Exploring Operation: 36/12=3, Resulting Numbers: [24, 4, 3] Generated Node #0,1: 93:[24, 4, 3] Operation: 36/12=3 Exploring Operation: 24/12=2, Resulting Numbers: [4, 36, 2] Generated Node #0,2: 93:[4, 36, 2] Operation: 24/12=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[4, 36, 2], Operations: ['24/12=2'] Exploring Operation: 36-4=32, Resulting Numbers: [2, 32] Generated Node #0,2,0: 93:[2, 32] Operation: 36-4=32 Exploring Operation: 4-2=2, Resulting Numbers: [36, 2] Generated Node #0,2,1: 93:[36, 2] Operation: 4-2=2 Exploring Operation: 36-2=34, Resulting Numbers: [4, 34] Generated Node #0,2,2: 93:[4, 34] Operation: 36-2=34 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[2, 32], Operations: ['24/12=2', '36-4=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[4, 34], Operations: ['24/12=2', '36-2=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,93 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[36, 2], Operations: ['24/12=2', '4-2=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[24, 4, 3], Operations: ['36/12=3'] Exploring Operation: 24*4=96, Resulting Numbers: [3, 96] Generated Node #0,1,0: 93:[3, 96] Operation: 24*4=96 Exploring Operation: 24+4=28, Resulting Numbers: [3, 28] Generated Node #0,1,1: 93:[3, 28] Operation: 24+4=28 Exploring Operation: 24/4=6, Resulting Numbers: [3, 6] Generated Node #0,1,2: 93:[3, 6] Operation: 24/4=6 Moving to Node #0,1,0 Current State: 93:[3, 96], Operations: ['36/12=3', '24*4=96'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 3+96=99, Resulting Numbers: [99] 99,93 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[24, 4, 36, 12], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [24, 4, 3] Generated Node #0,1: 93:[24, 4, 3] Operation: 36/12=3 Moving to Node #0,1 Current State: 93:[24, 4, 3], Operations: ['36/12=3'] Exploring Operation: 24*4=96, Resulting Numbers: [3, 96] Generated Node #0,1,0: 93:[3, 96] Operation: 24*4=96 Moving to Node #0,1,0 Current State: 93:[3, 96], Operations: ['36/12=3', '24*4=96'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 45, 41, 45, 7 ]
47
[ "45/45=1", "41+7=48", "48-1=47" ]
Current State: 47:[45, 41, 45, 7], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [41, 7, 1] Generated Node #2: [41, 7, 1] from Operation: 45/45=1 Current State: 47:[41, 7, 1], Operations: ['45/45=1'] Exploring Operation: 41+7=48, Resulting Numbers: [1, 48] Generated Node #3: [1, 48] from Operation: 41+7=48 Current State: 47:[1, 48], Operations: ['45/45=1', '41+7=48'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[45, 41, 45, 7], Operations: [] Exploring Operation: 41+7=48, Resulting Numbers: [45, 45, 48] Generated Node #0,0: 47:[45, 45, 48] Operation: 41+7=48 Exploring Operation: 45+7=52, Resulting Numbers: [41, 45, 52] Generated Node #0,1: 47:[41, 45, 52] Operation: 45+7=52 Moving to Node #0,0 Current State: 47:[45, 45, 48], Operations: ['41+7=48'] Exploring Operation: 48-45=3, Resulting Numbers: [45, 3] Generated Node #0,0,0: 47:[45, 3] Operation: 48-45=3 Exploring Operation: 45+45=90, Resulting Numbers: [48, 90] Generated Node #0,0,1: 47:[48, 90] Operation: 45+45=90 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[48, 90], Operations: ['41+7=48', '45+45=90'] Exploring Operation: 48+90=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,47 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 #0,0,0 Current State: 47:[45, 3], Operations: ['41+7=48', '48-45=3'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,47 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: 47:[41, 45, 52], Operations: ['45+7=52'] Exploring Operation: 41+45=86, Resulting Numbers: [52, 86] Generated Node #0,1,0: 47:[52, 86] Operation: 41+45=86 Exploring Operation: 52-41=11, Resulting Numbers: [45, 11] Generated Node #0,1,1: 47:[45, 11] Operation: 52-41=11 Moving to Node #0,1,1 Current State: 47:[45, 11], Operations: ['45+7=52', '52-41=11'] Exploring Operation: 45+11=56, Resulting Numbers: [56] 56,47 unequal: No Solution Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[52, 86], Operations: ['45+7=52', '41+45=86'] Exploring Operation: 52+86=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 9, 36, 25, 49 ]
51
[ "36-9=27", "49-25=24", "27+24=51" ]
Current State: 51:[9, 36, 25, 49], Operations: [] Exploring Operation: 36-9=27, Resulting Numbers: [25, 49, 27] Generated Node #2: [25, 49, 27] from Operation: 36-9=27 Current State: 51:[25, 49, 27], Operations: ['36-9=27'] Exploring Operation: 49-25=24, Resulting Numbers: [27, 24] Generated Node #3: [27, 24] from Operation: 49-25=24 Current State: 51:[27, 24], Operations: ['36-9=27', '49-25=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 36, 25, 49], Operations: [] Exploring Operation: 36+25=61, Resulting Numbers: [9, 49, 61] Generated Node #0,0: 51:[9, 49, 61] Operation: 36+25=61 Exploring Operation: 9+36=45, Resulting Numbers: [25, 49, 45] Generated Node #0,1: 51:[25, 49, 45] Operation: 9+36=45 Exploring Operation: 36/9=4, Resulting Numbers: [25, 49, 4] Generated Node #0,2: 51:[25, 49, 4] Operation: 36/9=4 Exploring Operation: 36-25=11, Resulting Numbers: [9, 49, 11] Generated Node #0,3: 51:[9, 49, 11] Operation: 36-25=11 Exploring Operation: 25-9=16, Resulting Numbers: [36, 49, 16] Generated Node #0,4: 51:[36, 49, 16] Operation: 25-9=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[25, 49, 4], Operations: ['36/9=4'] Exploring Operation: 49-4=45, Resulting Numbers: [25, 45] Generated Node #0,2,0: 51:[25, 45] Operation: 49-4=45 Exploring Operation: 25+4=29, Resulting Numbers: [49, 29] Generated Node #0,2,1: 51:[49, 29] Operation: 25+4=29 Exploring Operation: 49+4=53, Resulting Numbers: [25, 53] Generated Node #0,2,2: 51:[25, 53] Operation: 49+4=53 Exploring Operation: 49-25=24, Resulting Numbers: [4, 24] Generated Node #0,2,3: 51:[4, 24] Operation: 49-25=24 Exploring Operation: 25-4=21, Resulting Numbers: [49, 21] Generated Node #0,2,4: 51:[49, 21] Operation: 25-4=21 Moving to Node #0,2,4 Current State: 51:[49, 21], Operations: ['36/9=4', '25-4=21'] Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,51 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,51 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[4, 24], Operations: ['36/9=4', '49-25=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,51 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[25, 53], Operations: ['36/9=4', '49+4=53'] Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 25*53=1325, Resulting Numbers: [1325] 1325,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[25, 45], Operations: ['36/9=4', '49-4=45'] Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,51 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[49, 29], Operations: ['36/9=4', '25+4=29'] Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,51 unequal: No Solution Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,51 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, 49, 11], Operations: ['36-25=11'] Exploring Operation: 9+49=58, Resulting Numbers: [11, 58] Generated Node #0,3,0: 51:[11, 58] Operation: 9+49=58 Exploring Operation: 9+11=20, Resulting Numbers: [49, 20] Generated Node #0,3,1: 51:[49, 20] Operation: 9+11=20 Exploring Operation: 49+11=60, Resulting Numbers: [9, 60] Generated Node #0,3,2: 51:[9, 60] Operation: 49+11=60 Exploring Operation: 11-9=2, Resulting Numbers: [49, 2] Generated Node #0,3,3: 51:[49, 2] Operation: 11-9=2 Exploring Operation: 49-9=40, Resulting Numbers: [11, 40] Generated Node #0,3,4: 51:[11, 40] Operation: 49-9=40 Moving to Node #0,3,3 Current State: 51:[49, 2], Operations: ['36-25=11', '11-9=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,51 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,51 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[9, 36, 25, 49], Operations: [] Exploring Operation: 36-25=11, Resulting Numbers: [9, 49, 11] Generated Node #0,3: 51:[9, 49, 11] Operation: 36-25=11 Moving to Node #0,3 Current State: 51:[9, 49, 11], Operations: ['36-25=11'] Exploring Operation: 11-9=2, Resulting Numbers: [49, 2] Generated Node #0,3,3: 51:[49, 2] Operation: 11-9=2 Moving to Node #0,3,3 Current State: 51:[49, 2], Operations: ['36-25=11', '11-9=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 6, 14, 14, 86 ]
81
[ "86-6=80", "14/14=1", "80+1=81" ]
Current State: 81:[6, 14, 14, 86], Operations: [] Exploring Operation: 86-6=80, Resulting Numbers: [14, 14, 80] Generated Node #2: [14, 14, 80] from Operation: 86-6=80 Current State: 81:[14, 14, 80], Operations: ['86-6=80'] Exploring Operation: 14/14=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 14/14=1 Current State: 81:[80, 1], Operations: ['86-6=80', '14/14=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[6, 14, 14, 86], Operations: [] Exploring Operation: 14+14=28, Resulting Numbers: [6, 86, 28] Generated Node #0,0: 81:[6, 86, 28] Operation: 14+14=28 Exploring Operation: 14/14=1, Resulting Numbers: [6, 86, 1] Generated Node #0,1: 81:[6, 86, 1] Operation: 14/14=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[6, 86, 28], Operations: ['14+14=28'] Exploring Operation: 28-6=22, Resulting Numbers: [86, 22] Generated Node #0,0,0: 81:[86, 22] Operation: 28-6=22 Exploring Operation: 86-6=80, Resulting Numbers: [28, 80] Generated Node #0,0,1: 81:[28, 80] Operation: 86-6=80 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[28, 80], Operations: ['14+14=28', '86-6=80'] Exploring Operation: 28+80=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,81 unequal: No Solution No 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: 81:[86, 22], Operations: ['14+14=28', '28-6=22'] Exploring Operation: 86+22=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,81 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: 81:[6, 86, 1], Operations: ['14/14=1'] Exploring Operation: 86-6=80, Resulting Numbers: [1, 80] Generated Node #0,1,0: 81:[1, 80] Operation: 86-6=80 Exploring Operation: 6+1=7, Resulting Numbers: [86, 7] Generated Node #0,1,1: 81:[86, 7] Operation: 6+1=7 Moving to Node #0,1,0 Current State: 81:[1, 80], Operations: ['14/14=1', '86-6=80'] Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[6, 14, 14, 86], Operations: [] Exploring Operation: 14/14=1, Resulting Numbers: [6, 86, 1] Generated Node #0,1: 81:[6, 86, 1] Operation: 14/14=1 Moving to Node #0,1 Current State: 81:[6, 86, 1], Operations: ['14/14=1'] Exploring Operation: 86-6=80, Resulting Numbers: [1, 80] Generated Node #0,1,0: 81:[1, 80] Operation: 86-6=80 Moving to Node #0,1,0 Current State: 81:[1, 80], Operations: ['14/14=1', '86-6=80'] Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 40, 69, 7, 51 ]
87
[ "69-40=29", "7+51=58", "29+58=87" ]
Current State: 87:[40, 69, 7, 51], Operations: [] Exploring Operation: 69-40=29, Resulting Numbers: [7, 51, 29] Generated Node #2: [7, 51, 29] from Operation: 69-40=29 Current State: 87:[7, 51, 29], Operations: ['69-40=29'] Exploring Operation: 7+51=58, Resulting Numbers: [29, 58] Generated Node #3: [29, 58] from Operation: 7+51=58 Current State: 87:[29, 58], Operations: ['69-40=29', '7+51=58'] Exploring Operation: 29+58=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[40, 69, 7, 51], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [40, 7, 18] Generated Node #0,0: 87:[40, 7, 18] Operation: 69-51=18 Exploring Operation: 69-40=29, Resulting Numbers: [7, 51, 29] Generated Node #0,1: 87:[7, 51, 29] Operation: 69-40=29 Exploring Operation: 40+51=91, Resulting Numbers: [69, 7, 91] Generated Node #0,2: 87:[69, 7, 91] Operation: 40+51=91 Moving to Node #0,0 Current State: 87:[40, 7, 18], Operations: ['69-51=18'] Exploring Operation: 40-7=33, Resulting Numbers: [18, 33] Generated Node #0,0,0: 87:[18, 33] Operation: 40-7=33 Exploring Operation: 7+18=25, Resulting Numbers: [40, 25] Generated Node #0,0,1: 87:[40, 25] Operation: 7+18=25 Exploring Operation: 40-18=22, Resulting Numbers: [7, 22] Generated Node #0,0,2: 87:[7, 22] Operation: 40-18=22 Moving to Node #0,1 Current State: 87:[7, 51, 29], Operations: ['69-40=29'] Exploring Operation: 51+29=80, Resulting Numbers: [7, 80] Generated Node #0,1,0: 87:[7, 80] Operation: 51+29=80 Exploring Operation: 51-29=22, Resulting Numbers: [7, 22] Generated Node #0,1,1: 87:[7, 22] Operation: 51-29=22 Exploring Operation: 51-7=44, Resulting Numbers: [29, 44] Generated Node #0,1,2: 87:[29, 44] Operation: 51-7=44 Moving to Node #0,2 Current State: 87:[69, 7, 91], Operations: ['40+51=91'] Exploring Operation: 91-7=84, Resulting Numbers: [69, 84] Generated Node #0,2,0: 87:[69, 84] Operation: 91-7=84 Exploring Operation: 69+7=76, Resulting Numbers: [91, 76] Generated Node #0,2,1: 87:[91, 76] Operation: 69+7=76 Exploring Operation: 91-69=22, Resulting Numbers: [7, 22] Generated Node #0,2,2: 87:[7, 22] Operation: 91-69=22 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[7, 22], Operations: ['40+51=91', '91-69=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,87 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,87 unequal: No Solution No 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: 87:[91, 76], Operations: ['40+51=91', '69+7=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,87 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,87 unequal: No Solution No 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: 87:[69, 84], Operations: ['40+51=91', '91-7=84'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,87 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,87 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: 87:[7, 22], Operations: ['69-51=18', '40-18=22'] Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,87 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[7, 80], Operations: ['69-40=29', '51+29=80'] Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,87 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,87 unequal: No Solution Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[40, 69, 7, 51], Operations: [] Exploring Operation: 69-40=29, Resulting Numbers: [7, 51, 29] Generated Node #0,1: 87:[7, 51, 29] Operation: 69-40=29 Moving to Node #0,1 Current State: 87:[7, 51, 29], Operations: ['69-40=29'] Exploring Operation: 51+29=80, Resulting Numbers: [7, 80] Generated Node #0,1,0: 87:[7, 80] Operation: 51+29=80 Moving to Node #0,1,0 Current State: 87:[7, 80], Operations: ['69-40=29', '51+29=80'] Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.97309
hs_3
mult_heuristic
[ 88, 7, 96, 6 ]
65
[ "88-7=81", "96/6=16", "81-16=65" ]
Current State: 65:[88, 7, 96, 6], Operations: [] Exploring Operation: 88-7=81, Resulting Numbers: [96, 6, 81] Generated Node #2: [96, 6, 81] from Operation: 88-7=81 Current State: 65:[96, 6, 81], Operations: ['88-7=81'] Exploring Operation: 96/6=16, Resulting Numbers: [81, 16] Generated Node #3: [81, 16] from Operation: 96/6=16 Current State: 65:[81, 16], Operations: ['88-7=81', '96/6=16'] Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[88, 7, 96, 6], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [88, 7, 16] Generated Node #0,0: 65:[88, 7, 16] Operation: 96/6=16 Exploring Operation: 96-88=8, Resulting Numbers: [7, 6, 8] Generated Node #0,1: 65:[7, 6, 8] Operation: 96-88=8 Exploring Operation: 96-7=89, Resulting Numbers: [88, 6, 89] Generated Node #0,2: 65:[88, 6, 89] Operation: 96-7=89 Exploring Operation: 88-7=81, Resulting Numbers: [96, 6, 81] Generated Node #0,3: 65:[96, 6, 81] Operation: 88-7=81 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[7, 6, 8], Operations: ['96-88=8'] Exploring Operation: 6+8=14, Resulting Numbers: [7, 14] Generated Node #0,1,0: 65:[7, 14] Operation: 6+8=14 Exploring Operation: 8-7=1, Resulting Numbers: [6, 1] Generated Node #0,1,1: 65:[6, 1] Operation: 8-7=1 Exploring Operation: 7+6=13, Resulting Numbers: [8, 13] Generated Node #0,1,2: 65:[8, 13] Operation: 7+6=13 Exploring Operation: 7+8=15, Resulting Numbers: [6, 15] Generated Node #0,1,3: 65:[6, 15] Operation: 7+8=15 Moving to Node #0,1,0 Current State: 65:[7, 14], Operations: ['96-88=8', '6+8=14'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[6, 15], Operations: ['96-88=8', '7+8=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[8, 13], Operations: ['96-88=8', '7+6=13'] Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[6, 1], Operations: ['96-88=8', '8-7=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[88, 7, 16], Operations: ['96/6=16'] Exploring Operation: 88-16=72, Resulting Numbers: [7, 72] Generated Node #0,0,0: 65:[7, 72] Operation: 88-16=72 Exploring Operation: 88-7=81, Resulting Numbers: [16, 81] Generated Node #0,0,1: 65:[16, 81] Operation: 88-7=81 Exploring Operation: 88+7=95, Resulting Numbers: [16, 95] Generated Node #0,0,2: 65:[16, 95] Operation: 88+7=95 Exploring Operation: 16-7=9, Resulting Numbers: [88, 9] Generated Node #0,0,3: 65:[88, 9] Operation: 16-7=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[7, 72], Operations: ['96/6=16', '88-16=72'] Exploring Operation: 7*72=504, Resulting Numbers: [504] 504,65 unequal: No Solution Exploring Operation: 7+72=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[88, 7, 96, 6], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [88, 7, 16] Generated Node #0,0: 65:[88, 7, 16] Operation: 96/6=16 Moving to Node #0,0 Current State: 65:[88, 7, 16], Operations: ['96/6=16'] Exploring Operation: 88-16=72, Resulting Numbers: [7, 72] Generated Node #0,0,0: 65:[7, 72] Operation: 88-16=72 Moving to Node #0,0,0 Current State: 65:[7, 72], Operations: ['96/6=16', '88-16=72'] Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 80, 84, 59, 50 ]
13
[ "84-80=4", "59-50=9", "4+9=13" ]
Current State: 13:[80, 84, 59, 50], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [59, 50, 4] Generated Node #2: [59, 50, 4] from Operation: 84-80=4 Current State: 13:[59, 50, 4], Operations: ['84-80=4'] Exploring Operation: 59-50=9, Resulting Numbers: [4, 9] Generated Node #3: [4, 9] from Operation: 59-50=9 Current State: 13:[4, 9], Operations: ['84-80=4', '59-50=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[80, 84, 59, 50], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [59, 50, 4] Generated Node #0,0: 13:[59, 50, 4] Operation: 84-80=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[59, 50, 4], Operations: ['84-80=4'] Exploring Operation: 59-50=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 13:[4, 9] Operation: 59-50=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[4, 9], Operations: ['84-80=4', '59-50=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[80, 84, 59, 50], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [59, 50, 4] Generated Node #0,0: 13:[59, 50, 4] Operation: 84-80=4 Moving to Node #0,0 Current State: 13:[59, 50, 4], Operations: ['84-80=4'] Exploring Operation: 59-50=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 13:[4, 9] Operation: 59-50=9 Moving to Node #0,0,0 Current State: 13:[4, 9], Operations: ['84-80=4', '59-50=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 72, 87, 81, 2 ]
21
[ "72+81=153", "87*2=174", "174-153=21" ]
Current State: 21:[72, 87, 81, 2], Operations: [] Exploring Operation: 72+81=153, Resulting Numbers: [87, 2, 153] Generated Node #2: [87, 2, 153] from Operation: 72+81=153 Current State: 21:[87, 2, 153], Operations: ['72+81=153'] Exploring Operation: 87*2=174, Resulting Numbers: [153, 174] Generated Node #3: [153, 174] from Operation: 87*2=174 Current State: 21:[153, 174], Operations: ['72+81=153', '87*2=174'] Exploring Operation: 174-153=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[72, 87, 81, 2], Operations: [] Exploring Operation: 87-81=6, Resulting Numbers: [72, 2, 6] Generated Node #0,0: 21:[72, 2, 6] Operation: 87-81=6 Exploring Operation: 81-72=9, Resulting Numbers: [87, 2, 9] Generated Node #0,1: 21:[87, 2, 9] Operation: 81-72=9 Exploring Operation: 87-72=15, Resulting Numbers: [81, 2, 15] Generated Node #0,2: 21:[81, 2, 15] Operation: 87-72=15 Moving to Node #0,0 Current State: 21:[72, 2, 6], Operations: ['87-81=6'] Exploring Operation: 72-6=66, Resulting Numbers: [2, 66] Generated Node #0,0,0: 21:[2, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 21:[2, 12] Operation: 72/6=12 Exploring Operation: 72/2=36, Resulting Numbers: [6, 36] Generated Node #0,0,2: 21:[6, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[2, 12], Operations: ['87-81=6', '72/6=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[6, 36], Operations: ['87-81=6', '72/2=36'] Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,21 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[2, 66], Operations: ['87-81=6', '72-6=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,21 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: 21:[81, 2, 15], Operations: ['87-72=15'] Exploring Operation: 2+15=17, Resulting Numbers: [81, 17] Generated Node #0,2,0: 21:[81, 17] Operation: 2+15=17 Exploring Operation: 81-15=66, Resulting Numbers: [2, 66] Generated Node #0,2,1: 21:[2, 66] Operation: 81-15=66 Exploring Operation: 81-2=79, Resulting Numbers: [15, 79] Generated Node #0,2,2: 21:[15, 79] Operation: 81-2=79 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[2, 66], Operations: ['87-72=15', '81-15=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[81, 17], Operations: ['87-72=15', '2+15=17'] Exploring Operation: 81+17=98, Resulting Numbers: [98] 98,21 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 81*17=1377, Resulting Numbers: [1377] 1377,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[15, 79], Operations: ['87-72=15', '81-2=79'] Exploring Operation: 15+79=94, Resulting Numbers: [94] 94,21 unequal: No Solution Exploring Operation: 15*79=1185, Resulting Numbers: [1185] 1185,21 unequal: No Solution Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,21 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: 21:[87, 2, 9], Operations: ['81-72=9'] Exploring Operation: 87-9=78, Resulting Numbers: [2, 78] Generated Node #0,1,0: 21:[2, 78] Operation: 87-9=78 Exploring Operation: 9-2=7, Resulting Numbers: [87, 7] Generated Node #0,1,1: 21:[87, 7] Operation: 9-2=7 Exploring Operation: 87-2=85, Resulting Numbers: [9, 85] Generated Node #0,1,2: 21:[9, 85] Operation: 87-2=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[2, 78], Operations: ['81-72=9', '87-9=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[87, 7], Operations: ['81-72=9', '9-2=7'] Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,21 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,21 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[9, 85], Operations: ['81-72=9', '87-2=85'] Exploring Operation: 9+85=94, Resulting Numbers: [94] 94,21 unequal: No Solution Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 9*85=765, Resulting Numbers: [765] 765,21 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
[ 85, 57, 85, 52 ]
52
[ "85-85=0", "57*0=0", "52+0=52" ]
Current State: 52:[85, 57, 85, 52], Operations: [] Exploring Operation: 85-85=0, Resulting Numbers: [57, 52, 0] Generated Node #2: [57, 52, 0] from Operation: 85-85=0 Current State: 52:[57, 52, 0], Operations: ['85-85=0'] Exploring Operation: 57*0=0, Resulting Numbers: [52, 0] Generated Node #3: [52, 0] from Operation: 57*0=0 Current State: 52:[52, 0], Operations: ['85-85=0', '57*0=0'] Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[85, 57, 85, 52], Operations: [] Exploring Operation: 85-85=0, Resulting Numbers: [57, 52, 0] Generated Node #0,0: 52:[57, 52, 0] Operation: 85-85=0 Exploring Operation: 85-57=28, Resulting Numbers: [85, 52, 28] Generated Node #0,1: 52:[85, 52, 28] Operation: 85-57=28 Exploring Operation: 85/85=1, Resulting Numbers: [57, 52, 1] Generated Node #0,2: 52:[57, 52, 1] Operation: 85/85=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[57, 52, 1], Operations: ['85/85=1'] Exploring Operation: 57-52=5, Resulting Numbers: [1, 5] Generated Node #0,2,0: 52:[1, 5] Operation: 57-52=5 Exploring Operation: 57-1=56, Resulting Numbers: [52, 56] Generated Node #0,2,1: 52:[52, 56] Operation: 57-1=56 Exploring Operation: 57*1=57, Resulting Numbers: [52, 57] Generated Node #0,2,2: 52:[52, 57] Operation: 57*1=57 Moving to Node #0,2,0 Current State: 52:[1, 5], Operations: ['85/85=1', '57-52=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[52, 56], Operations: ['85/85=1', '57-1=56'] Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,52 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[52, 57], Operations: ['85/85=1', '57*1=57'] Exploring Operation: 52*57=2964, Resulting Numbers: [2964] 2964,52 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 52+57=109, Resulting Numbers: [109] 109,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[57, 52, 0], Operations: ['85-85=0'] Exploring Operation: 57*0=0, Resulting Numbers: [52, 0] Generated Node #0,0,0: 52:[52, 0] Operation: 57*0=0 Exploring Operation: 57-52=5, Resulting Numbers: [0, 5] Generated Node #0,0,1: 52:[0, 5] Operation: 57-52=5 Exploring Operation: 57+0=57, Resulting Numbers: [52, 57] Generated Node #0,0,2: 52:[52, 57] Operation: 57+0=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[52, 0], Operations: ['85-85=0', '57*0=0'] Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[85, 57, 85, 52], Operations: [] Exploring Operation: 85-85=0, Resulting Numbers: [57, 52, 0] Generated Node #0,0: 52:[57, 52, 0] Operation: 85-85=0 Moving to Node #0,0 Current State: 52:[57, 52, 0], Operations: ['85-85=0'] Exploring Operation: 57*0=0, Resulting Numbers: [52, 0] Generated Node #0,0,0: 52:[52, 0] Operation: 57*0=0 Moving to Node #0,0,0 Current State: 52:[52, 0], Operations: ['85-85=0', '57*0=0'] Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 1, 86, 5, 63 ]
92
[ "5-1=4", "86-63=23", "4*23=92" ]
Current State: 92:[1, 86, 5, 63], Operations: [] Exploring Operation: 5-1=4, Resulting Numbers: [86, 63, 4] Generated Node #2: [86, 63, 4] from Operation: 5-1=4 Current State: 92:[86, 63, 4], Operations: ['5-1=4'] Exploring Operation: 86-63=23, Resulting Numbers: [4, 23] Generated Node #3: [4, 23] from Operation: 86-63=23 Current State: 92:[4, 23], Operations: ['5-1=4', '86-63=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[1, 86, 5, 63], Operations: [] Exploring Operation: 86+5=91, Resulting Numbers: [1, 63, 91] Generated Node #0,0: 92:[1, 63, 91] Operation: 86+5=91 Exploring Operation: 63-5=58, Resulting Numbers: [1, 86, 58] Generated Node #0,1: 92:[1, 86, 58] Operation: 63-5=58 Exploring Operation: 5-1=4, Resulting Numbers: [86, 63, 4] Generated Node #0,2: 92:[86, 63, 4] Operation: 5-1=4 Exploring Operation: 1+86=87, Resulting Numbers: [5, 63, 87] Generated Node #0,3: 92:[5, 63, 87] Operation: 1+86=87 Exploring Operation: 86-63=23, Resulting Numbers: [1, 5, 23] Generated Node #0,4: 92:[1, 5, 23] Operation: 86-63=23 Moving to Node #0,4 Current State: 92:[1, 5, 23], Operations: ['86-63=23'] Exploring Operation: 5-1=4, Resulting Numbers: [23, 4] Generated Node #0,4,0: 92:[23, 4] Operation: 5-1=4 Exploring Operation: 1*23=23, Resulting Numbers: [5, 23] Generated Node #0,4,1: 92:[5, 23] Operation: 1*23=23 Exploring Operation: 23/1=23, Resulting Numbers: [5, 23] Generated Node #0,4,2: 92:[5, 23] Operation: 23/1=23 Exploring Operation: 1*5=5, Resulting Numbers: [23, 5] Generated Node #0,4,3: 92:[23, 5] Operation: 1*5=5 Exploring Operation: 5/1=5, Resulting Numbers: [23, 5] Generated Node #0,4,4: 92:[23, 5] Operation: 5/1=5 Moving to Node #0,1 Current State: 92:[1, 86, 58], Operations: ['63-5=58'] Exploring Operation: 1*86=86, Resulting Numbers: [58, 86] Generated Node #0,1,0: 92:[58, 86] Operation: 1*86=86 Exploring Operation: 86/1=86, Resulting Numbers: [58, 86] Generated Node #0,1,1: 92:[58, 86] Operation: 86/1=86 Exploring Operation: 58-1=57, Resulting Numbers: [86, 57] Generated Node #0,1,2: 92:[86, 57] Operation: 58-1=57 Exploring Operation: 86-58=28, Resulting Numbers: [1, 28] Generated Node #0,1,3: 92:[1, 28] Operation: 86-58=28 Exploring Operation: 1+86=87, Resulting Numbers: [58, 87] Generated Node #0,1,4: 92:[58, 87] Operation: 1+86=87 Moving to Node #0,0 Current State: 92:[1, 63, 91], Operations: ['86+5=91'] Exploring Operation: 1*63=63, Resulting Numbers: [91, 63] Generated Node #0,0,0: 92:[91, 63] Operation: 1*63=63 Exploring Operation: 63-1=62, Resulting Numbers: [91, 62] Generated Node #0,0,1: 92:[91, 62] Operation: 63-1=62 Exploring Operation: 1+91=92, Resulting Numbers: [63, 92] Generated Node #0,0,2: 92:[63, 92] Operation: 1+91=92 Exploring Operation: 91-63=28, Resulting Numbers: [1, 28] Generated Node #0,0,3: 92:[1, 28] Operation: 91-63=28 Exploring Operation: 63/1=63, Resulting Numbers: [91, 63] Generated Node #0,0,4: 92:[91, 63] Operation: 63/1=63 Moving to Node #0,2 Current State: 92:[86, 63, 4], Operations: ['5-1=4'] Exploring Operation: 86-63=23, Resulting Numbers: [4, 23] Generated Node #0,2,0: 92:[4, 23] Operation: 86-63=23 Exploring Operation: 63-4=59, Resulting Numbers: [86, 59] Generated Node #0,2,1: 92:[86, 59] Operation: 63-4=59 Exploring Operation: 63+4=67, Resulting Numbers: [86, 67] Generated Node #0,2,2: 92:[86, 67] Operation: 63+4=67 Exploring Operation: 86-4=82, Resulting Numbers: [63, 82] Generated Node #0,2,3: 92:[63, 82] Operation: 86-4=82 Exploring Operation: 86+4=90, Resulting Numbers: [63, 90] Generated Node #0,2,4: 92:[63, 90] Operation: 86+4=90 Moving to Node #0,3 Current State: 92:[5, 63, 87], Operations: ['1+86=87'] Exploring Operation: 63-5=58, Resulting Numbers: [87, 58] Generated Node #0,3,0: 92:[87, 58] Operation: 63-5=58 Exploring Operation: 87-63=24, Resulting Numbers: [5, 24] Generated Node #0,3,1: 92:[5, 24] Operation: 87-63=24 Exploring Operation: 87-5=82, Resulting Numbers: [63, 82] Generated Node #0,3,2: 92:[63, 82] Operation: 87-5=82 Exploring Operation: 5+63=68, Resulting Numbers: [87, 68] Generated Node #0,3,3: 92:[87, 68] Operation: 5+63=68 Exploring Operation: 5+87=92, Resulting Numbers: [63, 92] Generated Node #0,3,4: 92:[63, 92] Operation: 5+87=92 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[5, 24], Operations: ['1+86=87', '87-63=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,92 unequal: No Solution No 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: 92:[87, 58], Operations: ['1+86=87', '63-5=58'] Exploring Operation: 87*58=5046, Resulting Numbers: [5046] 5046,92 unequal: No Solution Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 87+58=145, Resulting Numbers: [145] 145,92 unequal: No Solution No 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: 92:[63, 92], Operations: ['1+86=87', '5+87=92'] Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution No 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: 92:[63, 82], Operations: ['1+86=87', '87-5=82'] Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 63*82=5166, Resulting Numbers: [5166] 5166,92 unequal: No Solution Exploring Operation: 63+82=145, Resulting Numbers: [145] 145,92 unequal: No Solution No 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: 92:[87, 68], Operations: ['1+86=87', '5+63=68'] Exploring Operation: 87+68=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 87-68=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 87*68=5916, Resulting Numbers: [5916] 5916,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 92:[23, 4], Operations: ['86-63=23', '5-1=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[1, 86, 5, 63], Operations: [] Exploring Operation: 86-63=23, Resulting Numbers: [1, 5, 23] Generated Node #0,4: 92:[1, 5, 23] Operation: 86-63=23 Moving to Node #0,4 Current State: 92:[1, 5, 23], Operations: ['86-63=23'] Exploring Operation: 5-1=4, Resulting Numbers: [23, 4] Generated Node #0,4,0: 92:[23, 4] Operation: 5-1=4 Moving to Node #0,4,0 Current State: 92:[23, 4], Operations: ['86-63=23', '5-1=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 36, 50, 48, 28 ]
92
[ "50-48=2", "28*2=56", "36+56=92" ]
Current State: 92:[36, 50, 48, 28], Operations: [] Exploring Operation: 50-48=2, Resulting Numbers: [36, 28, 2] Generated Node #2: [36, 28, 2] from Operation: 50-48=2 Current State: 92:[36, 28, 2], Operations: ['50-48=2'] Exploring Operation: 28*2=56, Resulting Numbers: [36, 56] Generated Node #3: [36, 56] from Operation: 28*2=56 Current State: 92:[36, 56], Operations: ['50-48=2', '28*2=56'] Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[36, 50, 48, 28], Operations: [] Exploring Operation: 50-48=2, Resulting Numbers: [36, 28, 2] Generated Node #0,0: 92:[36, 28, 2] Operation: 50-48=2 Exploring Operation: 50-28=22, Resulting Numbers: [36, 48, 22] Generated Node #0,1: 92:[36, 48, 22] Operation: 50-28=22 Exploring Operation: 36-28=8, Resulting Numbers: [50, 48, 8] Generated Node #0,2: 92:[50, 48, 8] Operation: 36-28=8 Exploring Operation: 50-36=14, Resulting Numbers: [48, 28, 14] Generated Node #0,3: 92:[48, 28, 14] Operation: 50-36=14 Exploring Operation: 36+50=86, Resulting Numbers: [48, 28, 86] Generated Node #0,4: 92:[48, 28, 86] Operation: 36+50=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[50, 48, 8], Operations: ['36-28=8'] Exploring Operation: 48/8=6, Resulting Numbers: [50, 6] Generated Node #0,2,0: 92:[50, 6] Operation: 48/8=6 Exploring Operation: 50+48=98, Resulting Numbers: [8, 98] Generated Node #0,2,1: 92:[8, 98] Operation: 50+48=98 Exploring Operation: 50-8=42, Resulting Numbers: [48, 42] Generated Node #0,2,2: 92:[48, 42] Operation: 50-8=42 Exploring Operation: 50-48=2, Resulting Numbers: [8, 2] Generated Node #0,2,3: 92:[8, 2] Operation: 50-48=2 Exploring Operation: 48-8=40, Resulting Numbers: [50, 40] Generated Node #0,2,4: 92:[50, 40] Operation: 48-8=40 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[8, 2], Operations: ['36-28=8', '50-48=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,92 unequal: No Solution No 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: 92:[50, 6], Operations: ['36-28=8', '48/8=6'] Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,92 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,92 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,92 unequal: No Solution No 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: 92:[48, 42], Operations: ['36-28=8', '50-8=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 48*42=2016, Resulting Numbers: [2016] 2016,92 unequal: No Solution No 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: 92:[8, 98], Operations: ['36-28=8', '50+48=98'] Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 8*98=784, Resulting Numbers: [784] 784,92 unequal: No Solution Exploring Operation: 8+98=106, Resulting Numbers: [106] 106,92 unequal: No Solution No 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: 92:[50, 40], Operations: ['36-28=8', '48-8=40'] Exploring Operation: 50+40=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 50*40=2000, Resulting Numbers: [2000] 2000,92 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: 92:[36, 48, 22], Operations: ['50-28=22'] Exploring Operation: 36+48=84, Resulting Numbers: [22, 84] Generated Node #0,1,0: 92:[22, 84] Operation: 36+48=84 Exploring Operation: 36+22=58, Resulting Numbers: [48, 58] Generated Node #0,1,1: 92:[48, 58] Operation: 36+22=58 Exploring Operation: 48-36=12, Resulting Numbers: [22, 12] Generated Node #0,1,2: 92:[22, 12] Operation: 48-36=12 Exploring Operation: 36-22=14, Resulting Numbers: [48, 14] Generated Node #0,1,3: 92:[48, 14] Operation: 36-22=14 Exploring Operation: 48-22=26, Resulting Numbers: [36, 26] Generated Node #0,1,4: 92:[36, 26] Operation: 48-22=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[22, 84], Operations: ['50-28=22', '36+48=84'] Exploring Operation: 22*84=1848, Resulting Numbers: [1848] 1848,92 unequal: No Solution Exploring Operation: 22+84=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,92 unequal: No Solution No 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: 92:[22, 12], Operations: ['50-28=22', '48-36=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,92 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,92 unequal: No Solution No 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: 92:[48, 14], Operations: ['50-28=22', '36-22=14'] Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,92 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,92 unequal: No Solution No 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: 92:[36, 26], Operations: ['50-28=22', '48-22=26'] Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,92 unequal: No Solution Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,92 unequal: No Solution No 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: 92:[48, 58], Operations: ['50-28=22', '36+22=58'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 48*58=2784, Resulting Numbers: [2784] 2784,92 unequal: No Solution Exploring Operation: 48+58=106, Resulting Numbers: [106] 106,92 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: 92:[48, 28, 86], Operations: ['36+50=86'] Exploring Operation: 86-28=58, Resulting Numbers: [48, 58] Generated Node #0,4,0: 92:[48, 58] Operation: 86-28=58 Exploring Operation: 48-28=20, Resulting Numbers: [86, 20] Generated Node #0,4,1: 92:[86, 20] Operation: 48-28=20 Exploring Operation: 28+86=114, Resulting Numbers: [48, 114] Generated Node #0,4,2: 92:[48, 114] Operation: 28+86=114 Exploring Operation: 48+28=76, Resulting Numbers: [86, 76] Generated Node #0,4,3: 92:[86, 76] Operation: 48+28=76 Exploring Operation: 86-48=38, Resulting Numbers: [28, 38] Generated Node #0,4,4: 92:[28, 38] Operation: 86-48=38 Moving to Node #0,4,1 Current State: 92:[86, 20], Operations: ['36+50=86', '48-28=20'] Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,92 unequal: No Solution Moving to Node #0,4,4 Current State: 92:[28, 38], Operations: ['36+50=86', '86-48=38'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,92 unequal: No Solution Moving to Node #0,4,0 Current State: 92:[48, 58], Operations: ['36+50=86', '86-28=58'] Exploring Operation: 48+58=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 48*58=2784, Resulting Numbers: [2784] 2784,92 unequal: No Solution Moving to Node #0,4,3 Current State: 92:[86, 76], Operations: ['36+50=86', '48+28=76'] Exploring Operation: 86+76=162, Resulting Numbers: [162] 162,92 unequal: No Solution Exploring Operation: 86*76=6536, Resulting Numbers: [6536] 6536,92 unequal: No Solution Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,4,2 Current State: 92:[48, 114], Operations: ['36+50=86', '28+86=114'] Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,92 unequal: No Solution Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,92 unequal: No Solution No 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: 92:[36, 28, 2], Operations: ['50-48=2'] Exploring Operation: 36+2=38, Resulting Numbers: [28, 38] Generated Node #0,0,0: 92:[28, 38] Operation: 36+2=38 Exploring Operation: 36-2=34, Resulting Numbers: [28, 34] Generated Node #0,0,1: 92:[28, 34] Operation: 36-2=34 Exploring Operation: 28-2=26, Resulting Numbers: [36, 26] Generated Node #0,0,2: 92:[36, 26] Operation: 28-2=26 Exploring Operation: 36-28=8, Resulting Numbers: [2, 8] Generated Node #0,0,3: 92:[2, 8] Operation: 36-28=8 Exploring Operation: 36/2=18, Resulting Numbers: [28, 18] Generated Node #0,0,4: 92:[28, 18] Operation: 36/2=18 Moving to Node #0,0,3 Current State: 92:[2, 8], Operations: ['50-48=2', '36-28=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[28, 18], Operations: ['50-48=2', '36/2=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,92 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[28, 38], Operations: ['50-48=2', '36+2=38'] Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,92 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[36, 26], Operations: ['50-48=2', '28-2=26'] Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,92 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[28, 34], Operations: ['50-48=2', '36-2=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,92 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,92 unequal: No Solution No 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: 92:[48, 28, 14], Operations: ['50-36=14'] Exploring Operation: 48-14=34, Resulting Numbers: [28, 34] Generated Node #0,3,0: 92:[28, 34] Operation: 48-14=34 Exploring Operation: 28-14=14, Resulting Numbers: [48, 14] Generated Node #0,3,1: 92:[48, 14] Operation: 28-14=14 Exploring Operation: 48-28=20, Resulting Numbers: [14, 20] Generated Node #0,3,2: 92:[14, 20] Operation: 48-28=20 Exploring Operation: 28+14=42, Resulting Numbers: [48, 42] Generated Node #0,3,3: 92:[48, 42] Operation: 28+14=42 Exploring Operation: 28/14=2, Resulting Numbers: [48, 2] Generated Node #0,3,4: 92:[48, 2] Operation: 28/14=2 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 92:[48, 2], Operations: ['50-36=14', '28/14=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,92 unequal: No Solution No 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: 92:[48, 42], Operations: ['50-36=14', '28+14=42'] Exploring Operation: 48*42=2016, Resulting Numbers: [2016] 2016,92 unequal: No Solution Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,92 unequal: No Solution No 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: 92:[48, 14], Operations: ['50-36=14', '28-14=14'] Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,92 unequal: No Solution No 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: 92:[14, 20], Operations: ['50-36=14', '48-28=20'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,92 unequal: No Solution No 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: 92:[28, 34], Operations: ['50-36=14', '48-14=34'] Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,92 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,92 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
[ 28, 22, 2, 20 ]
59
[ "28+20=48", "22/2=11", "48+11=59" ]
Current State: 59:[28, 22, 2, 20], Operations: [] Exploring Operation: 28+20=48, Resulting Numbers: [22, 2, 48] Generated Node #2: [22, 2, 48] from Operation: 28+20=48 Current State: 59:[22, 2, 48], Operations: ['28+20=48'] Exploring Operation: 22/2=11, Resulting Numbers: [48, 11] Generated Node #3: [48, 11] from Operation: 22/2=11 Current State: 59:[48, 11], Operations: ['28+20=48', '22/2=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[28, 22, 2, 20], Operations: [] Exploring Operation: 2*20=40, Resulting Numbers: [28, 22, 40] Generated Node #0,0: 59:[28, 22, 40] Operation: 2*20=40 Exploring Operation: 28*2=56, Resulting Numbers: [22, 20, 56] Generated Node #0,1: 59:[22, 20, 56] Operation: 28*2=56 Exploring Operation: 22*2=44, Resulting Numbers: [28, 20, 44] Generated Node #0,2: 59:[28, 20, 44] Operation: 22*2=44 Moving to Node #0,1 Current State: 59:[22, 20, 56], Operations: ['28*2=56'] Exploring Operation: 20+56=76, Resulting Numbers: [22, 76] Generated Node #0,1,0: 59:[22, 76] Operation: 20+56=76 Exploring Operation: 22+20=42, Resulting Numbers: [56, 42] Generated Node #0,1,1: 59:[56, 42] Operation: 22+20=42 Exploring Operation: 22+56=78, Resulting Numbers: [20, 78] Generated Node #0,1,2: 59:[20, 78] Operation: 22+56=78 Moving to Node #0,2 Current State: 59:[28, 20, 44], Operations: ['22*2=44'] Exploring Operation: 28+44=72, Resulting Numbers: [20, 72] Generated Node #0,2,0: 59:[20, 72] Operation: 28+44=72 Exploring Operation: 20+44=64, Resulting Numbers: [28, 64] Generated Node #0,2,1: 59:[28, 64] Operation: 20+44=64 Exploring Operation: 28+20=48, Resulting Numbers: [44, 48] Generated Node #0,2,2: 59:[44, 48] Operation: 28+20=48 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[44, 48], Operations: ['22*2=44', '28+20=48'] Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,59 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:[28, 64], Operations: ['22*2=44', '20+44=64'] Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,59 unequal: No Solution Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,59 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 #0,2,0 Current State: 59:[20, 72], Operations: ['22*2=44', '28+44=72'] Exploring Operation: 20+72=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 20*72=1440, Resulting Numbers: [1440] 1440,59 unequal: No Solution Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,59 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: 59:[28, 22, 40], Operations: ['2*20=40'] Exploring Operation: 22+40=62, Resulting Numbers: [28, 62] Generated Node #0,0,0: 59:[28, 62] Operation: 22+40=62 Exploring Operation: 28+40=68, Resulting Numbers: [22, 68] Generated Node #0,0,1: 59:[22, 68] Operation: 28+40=68 Exploring Operation: 28+22=50, Resulting Numbers: [40, 50] Generated Node #0,0,2: 59:[40, 50] Operation: 28+22=50 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[40, 50], Operations: ['2*20=40', '28+22=50'] Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,59 unequal: No Solution Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,59 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 #0,0,0 Current State: 59:[28, 62], Operations: ['2*20=40', '22+40=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,59 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,59 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 #0,0,1 Current State: 59:[22, 68], Operations: ['2*20=40', '28+40=68'] Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,59 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,59 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: 59:[56, 42], Operations: ['28*2=56', '22+20=42'] Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,59 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[22, 76], Operations: ['28*2=56', '20+56=76'] Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[20, 78], Operations: ['28*2=56', '22+56=78'] Exploring Operation: 20+78=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 20*78=1560, Resulting Numbers: [1560] 1560,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 89, 71, 67, 63 ]
91
[ "71+63=134", "134/67=2", "89+2=91" ]
Current State: 91:[89, 71, 67, 63], Operations: [] Exploring Operation: 71+63=134, Resulting Numbers: [89, 67, 134] Generated Node #2: [89, 67, 134] from Operation: 71+63=134 Current State: 91:[89, 67, 134], Operations: ['71+63=134'] Exploring Operation: 134/67=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 134/67=2 Current State: 91:[89, 2], Operations: ['71+63=134', '134/67=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[89, 71, 67, 63], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [89, 63, 4] Generated Node #0,0: 91:[89, 63, 4] Operation: 71-67=4 Exploring Operation: 67-63=4, Resulting Numbers: [89, 71, 4] Generated Node #0,1: 91:[89, 71, 4] Operation: 67-63=4 Exploring Operation: 71-63=8, Resulting Numbers: [89, 67, 8] Generated Node #0,2: 91:[89, 67, 8] Operation: 71-63=8 Moving to Node #0,1 Current State: 91:[89, 71, 4], Operations: ['67-63=4'] Exploring Operation: 89-71=18, Resulting Numbers: [4, 18] Generated Node #0,1,0: 91:[4, 18] Operation: 89-71=18 Exploring Operation: 89+4=93, Resulting Numbers: [71, 93] Generated Node #0,1,1: 91:[71, 93] Operation: 89+4=93 Exploring Operation: 71+4=75, Resulting Numbers: [89, 75] Generated Node #0,1,2: 91:[89, 75] Operation: 71+4=75 Moving to Node #0,2 Current State: 91:[89, 67, 8], Operations: ['71-63=8'] Exploring Operation: 67+8=75, Resulting Numbers: [89, 75] Generated Node #0,2,0: 91:[89, 75] Operation: 67+8=75 Exploring Operation: 89+8=97, Resulting Numbers: [67, 97] Generated Node #0,2,1: 91:[67, 97] Operation: 89+8=97 Exploring Operation: 89-67=22, Resulting Numbers: [8, 22] Generated Node #0,2,2: 91:[8, 22] Operation: 89-67=22 Moving to Node #0,0 Current State: 91:[89, 63, 4], Operations: ['71-67=4'] Exploring Operation: 89-63=26, Resulting Numbers: [4, 26] Generated Node #0,0,0: 91:[4, 26] Operation: 89-63=26 Exploring Operation: 89+4=93, Resulting Numbers: [63, 93] Generated Node #0,0,1: 91:[63, 93] Operation: 89+4=93 Exploring Operation: 63+4=67, Resulting Numbers: [89, 67] Generated Node #0,0,2: 91:[89, 67] Operation: 63+4=67 Moving to Node #0,1,0 Current State: 91:[4, 18], Operations: ['67-63=4', '89-71=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,91 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[8, 22], Operations: ['71-63=8', '89-67=22'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[4, 26], Operations: ['71-67=4', '89-63=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[89, 75], Operations: ['71-63=8', '67+8=75'] Exploring Operation: 89-75=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 89+75=164, Resulting Numbers: [164] 164,91 unequal: No Solution Exploring Operation: 89*75=6675, Resulting Numbers: [6675] 6675,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[89, 75], Operations: ['67-63=4', '71+4=75'] Exploring Operation: 89-75=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 89*75=6675, Resulting Numbers: [6675] 6675,91 unequal: No Solution Exploring Operation: 89+75=164, Resulting Numbers: [164] 164,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[71, 93], Operations: ['67-63=4', '89+4=93'] Exploring Operation: 71+93=164, Resulting Numbers: [164] 164,91 unequal: No Solution Exploring Operation: 71*93=6603, Resulting Numbers: [6603] 6603,91 unequal: No Solution Exploring Operation: 93-71=22, Resulting Numbers: [22] 22,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[89, 67], Operations: ['71-67=4', '63+4=67'] Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,91 unequal: No Solution Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[67, 97], Operations: ['71-63=8', '89+8=97'] Exploring Operation: 67*97=6499, Resulting Numbers: [6499] 6499,91 unequal: No Solution Exploring Operation: 97-67=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 67+97=164, Resulting Numbers: [164] 164,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[63, 93], Operations: ['71-67=4', '89+4=93'] Exploring Operation: 63*93=5859, Resulting Numbers: [5859] 5859,91 unequal: No Solution Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,91 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 68, 65, 74, 90 ]
80
[ "74-68=6", "90/6=15", "65+15=80" ]
Current State: 80:[68, 65, 74, 90], Operations: [] Exploring Operation: 74-68=6, Resulting Numbers: [65, 90, 6] Generated Node #2: [65, 90, 6] from Operation: 74-68=6 Current State: 80:[65, 90, 6], Operations: ['74-68=6'] Exploring Operation: 90/6=15, Resulting Numbers: [65, 15] Generated Node #3: [65, 15] from Operation: 90/6=15 Current State: 80:[65, 15], Operations: ['74-68=6', '90/6=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[68, 65, 74, 90], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [74, 90, 3] Generated Node #0,0: 80:[74, 90, 3] Operation: 68-65=3 Exploring Operation: 74-68=6, Resulting Numbers: [65, 90, 6] Generated Node #0,1: 80:[65, 90, 6] Operation: 74-68=6 Exploring Operation: 90-68=22, Resulting Numbers: [65, 74, 22] Generated Node #0,2: 80:[65, 74, 22] Operation: 90-68=22 Exploring Operation: 74-65=9, Resulting Numbers: [68, 90, 9] Generated Node #0,3: 80:[68, 90, 9] Operation: 74-65=9 Exploring Operation: 90-65=25, Resulting Numbers: [68, 74, 25] Generated Node #0,4: 80:[68, 74, 25] Operation: 90-65=25 Moving to Node #0,0 Current State: 80:[74, 90, 3], Operations: ['68-65=3'] Exploring Operation: 74+3=77, Resulting Numbers: [90, 77] Generated Node #0,0,0: 80:[90, 77] Operation: 74+3=77 Exploring Operation: 90-74=16, Resulting Numbers: [3, 16] Generated Node #0,0,1: 80:[3, 16] Operation: 90-74=16 Exploring Operation: 90/3=30, Resulting Numbers: [74, 30] Generated Node #0,0,2: 80:[74, 30] Operation: 90/3=30 Exploring Operation: 74-3=71, Resulting Numbers: [90, 71] Generated Node #0,0,3: 80:[90, 71] Operation: 74-3=71 Exploring Operation: 90-3=87, Resulting Numbers: [74, 87] Generated Node #0,0,4: 80:[74, 87] Operation: 90-3=87 Moving to Node #0,3 Current State: 80:[68, 90, 9], Operations: ['74-65=9'] Exploring Operation: 90/9=10, Resulting Numbers: [68, 10] Generated Node #0,3,0: 80:[68, 10] Operation: 90/9=10 Exploring Operation: 68+9=77, Resulting Numbers: [90, 77] Generated Node #0,3,1: 80:[90, 77] Operation: 68+9=77 Exploring Operation: 90-9=81, Resulting Numbers: [68, 81] Generated Node #0,3,2: 80:[68, 81] Operation: 90-9=81 Exploring Operation: 68-9=59, Resulting Numbers: [90, 59] Generated Node #0,3,3: 80:[90, 59] Operation: 68-9=59 Exploring Operation: 90-68=22, Resulting Numbers: [9, 22] Generated Node #0,3,4: 80:[9, 22] Operation: 90-68=22 Moving to Node #0,2 Current State: 80:[65, 74, 22], Operations: ['90-68=22'] Exploring Operation: 65-22=43, Resulting Numbers: [74, 43] Generated Node #0,2,0: 80:[74, 43] Operation: 65-22=43 Exploring Operation: 74-65=9, Resulting Numbers: [22, 9] Generated Node #0,2,1: 80:[22, 9] Operation: 74-65=9 Exploring Operation: 74-22=52, Resulting Numbers: [65, 52] Generated Node #0,2,2: 80:[65, 52] Operation: 74-22=52 Exploring Operation: 74+22=96, Resulting Numbers: [65, 96] Generated Node #0,2,3: 80:[65, 96] Operation: 74+22=96 Exploring Operation: 65+22=87, Resulting Numbers: [74, 87] Generated Node #0,2,4: 80:[74, 87] Operation: 65+22=87 Moving to Node #0,4 Current State: 80:[68, 74, 25], Operations: ['90-65=25'] Exploring Operation: 74+25=99, Resulting Numbers: [68, 99] Generated Node #0,4,0: 80:[68, 99] Operation: 74+25=99 Exploring Operation: 74-25=49, Resulting Numbers: [68, 49] Generated Node #0,4,1: 80:[68, 49] Operation: 74-25=49 Exploring Operation: 68+25=93, Resulting Numbers: [74, 93] Generated Node #0,4,2: 80:[74, 93] Operation: 68+25=93 Exploring Operation: 74-68=6, Resulting Numbers: [25, 6] Generated Node #0,4,3: 80:[25, 6] Operation: 74-68=6 Exploring Operation: 68-25=43, Resulting Numbers: [74, 43] Generated Node #0,4,4: 80:[74, 43] Operation: 68-25=43 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 80:[25, 6], Operations: ['90-65=25', '74-68=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 80:[74, 43], Operations: ['90-65=25', '68-25=43'] Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 74+43=117, Resulting Numbers: [117] 117,80 unequal: No Solution Exploring Operation: 74*43=3182, Resulting Numbers: [3182] 3182,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 80:[74, 93], Operations: ['90-65=25', '68+25=93'] Exploring Operation: 74*93=6882, Resulting Numbers: [6882] 6882,80 unequal: No Solution Exploring Operation: 74+93=167, Resulting Numbers: [167] 167,80 unequal: No Solution Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[68, 49], Operations: ['90-65=25', '74-25=49'] Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 68*49=3332, Resulting Numbers: [3332] 3332,80 unequal: No Solution Exploring Operation: 68+49=117, Resulting Numbers: [117] 117,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 80:[68, 99], Operations: ['90-65=25', '74+25=99'] Exploring Operation: 68*99=6732, Resulting Numbers: [6732] 6732,80 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 68+99=167, Resulting Numbers: [167] 167,80 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: 80:[65, 90, 6], Operations: ['74-68=6'] Exploring Operation: 90/6=15, Resulting Numbers: [65, 15] Generated Node #0,1,0: 80:[65, 15] Operation: 90/6=15 Exploring Operation: 65-6=59, Resulting Numbers: [90, 59] Generated Node #0,1,1: 80:[90, 59] Operation: 65-6=59 Exploring Operation: 90-65=25, Resulting Numbers: [6, 25] Generated Node #0,1,2: 80:[6, 25] Operation: 90-65=25 Exploring Operation: 90-6=84, Resulting Numbers: [65, 84] Generated Node #0,1,3: 80:[65, 84] Operation: 90-6=84 Exploring Operation: 65+6=71, Resulting Numbers: [90, 71] Generated Node #0,1,4: 80:[90, 71] Operation: 65+6=71 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[6, 25], Operations: ['74-68=6', '90-65=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,80 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[65, 15], Operations: ['74-68=6', '90/6=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[68, 65, 74, 90], Operations: [] Exploring Operation: 74-68=6, Resulting Numbers: [65, 90, 6] Generated Node #0,1: 80:[65, 90, 6] Operation: 74-68=6 Moving to Node #0,1 Current State: 80:[65, 90, 6], Operations: ['74-68=6'] Exploring Operation: 90/6=15, Resulting Numbers: [65, 15] Generated Node #0,1,0: 80:[65, 15] Operation: 90/6=15 Moving to Node #0,1,0 Current State: 80:[65, 15], Operations: ['74-68=6', '90/6=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_5
mult_heuristic
[ 2, 20, 29, 62 ]
51
[ "2*20=40", "29+62=91", "91-40=51" ]
Current State: 51:[2, 20, 29, 62], Operations: [] Exploring Operation: 2*20=40, Resulting Numbers: [29, 62, 40] Generated Node #2: [29, 62, 40] from Operation: 2*20=40 Current State: 51:[29, 62, 40], Operations: ['2*20=40'] Exploring Operation: 29+62=91, Resulting Numbers: [40, 91] Generated Node #3: [40, 91] from Operation: 29+62=91 Current State: 51:[40, 91], Operations: ['2*20=40', '29+62=91'] Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[2, 20, 29, 62], Operations: [] Exploring Operation: 20+29=49, Resulting Numbers: [2, 62, 49] Generated Node #0,0: 51:[2, 62, 49] Operation: 20+29=49 Moving to Node #0,0 Current State: 51:[2, 62, 49], Operations: ['20+29=49'] Exploring Operation: 62-49=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 51:[2, 13] Operation: 62-49=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[2, 13], Operations: ['20+29=49', '62-49=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,51 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
[ 35, 78, 24, 97 ]
19
[ "78+97=175", "175/35=5", "24-5=19" ]
Current State: 19:[35, 78, 24, 97], Operations: [] Exploring Operation: 78+97=175, Resulting Numbers: [35, 24, 175] Generated Node #2: [35, 24, 175] from Operation: 78+97=175 Current State: 19:[35, 24, 175], Operations: ['78+97=175'] Exploring Operation: 175/35=5, Resulting Numbers: [24, 5] Generated Node #3: [24, 5] from Operation: 175/35=5 Current State: 19:[24, 5], Operations: ['78+97=175', '175/35=5'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[35, 78, 24, 97], Operations: [] Exploring Operation: 97-35=62, Resulting Numbers: [78, 24, 62] Generated Node #0,0: 19:[78, 24, 62] Operation: 97-35=62 Exploring Operation: 78-24=54, Resulting Numbers: [35, 97, 54] Generated Node #0,1: 19:[35, 97, 54] Operation: 78-24=54 Exploring Operation: 97-78=19, Resulting Numbers: [35, 24, 19] Generated Node #0,2: 19:[35, 24, 19] Operation: 97-78=19 Exploring Operation: 78-35=43, Resulting Numbers: [24, 97, 43] Generated Node #0,3: 19:[24, 97, 43] Operation: 78-35=43 Moving to Node #0,2 Current State: 19:[35, 24, 19], Operations: ['97-78=19'] Exploring Operation: 35-24=11, Resulting Numbers: [19, 11] Generated Node #0,2,0: 19:[19, 11] Operation: 35-24=11 Exploring Operation: 35+24=59, Resulting Numbers: [19, 59] Generated Node #0,2,1: 19:[19, 59] Operation: 35+24=59 Exploring Operation: 24-19=5, Resulting Numbers: [35, 5] Generated Node #0,2,2: 19:[35, 5] Operation: 24-19=5 Exploring Operation: 35-19=16, Resulting Numbers: [24, 16] Generated Node #0,2,3: 19:[24, 16] Operation: 35-19=16 Moving to Node #0,3 Current State: 19:[24, 97, 43], Operations: ['78-35=43'] Exploring Operation: 97-24=73, Resulting Numbers: [43, 73] Generated Node #0,3,0: 19:[43, 73] Operation: 97-24=73 Exploring Operation: 24+97=121, Resulting Numbers: [43, 121] Generated Node #0,3,1: 19:[43, 121] Operation: 24+97=121 Exploring Operation: 97-43=54, Resulting Numbers: [24, 54] Generated Node #0,3,2: 19:[24, 54] Operation: 97-43=54 Exploring Operation: 43-24=19, Resulting Numbers: [97, 19] Generated Node #0,3,3: 19:[97, 19] Operation: 43-24=19 Moving to Node #0,0 Current State: 19:[78, 24, 62], Operations: ['97-35=62'] Exploring Operation: 78+24=102, Resulting Numbers: [62, 102] Generated Node #0,0,0: 19:[62, 102] Operation: 78+24=102 Exploring Operation: 78-62=16, Resulting Numbers: [24, 16] Generated Node #0,0,1: 19:[24, 16] Operation: 78-62=16 Exploring Operation: 62-24=38, Resulting Numbers: [78, 38] Generated Node #0,0,2: 19:[78, 38] Operation: 62-24=38 Exploring Operation: 78-24=54, Resulting Numbers: [62, 54] Generated Node #0,0,3: 19:[62, 54] Operation: 78-24=54 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[24, 16], Operations: ['97-35=62', '78-62=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,19 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[78, 38], Operations: ['97-35=62', '62-24=38'] Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[62, 54], Operations: ['97-35=62', '78-24=54'] Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[62, 102], Operations: ['97-35=62', '78+24=102'] Exploring Operation: 62+102=164, Resulting Numbers: [164] 164,19 unequal: No Solution Exploring Operation: 62*102=6324, Resulting Numbers: [6324] 6324,19 unequal: No Solution Exploring Operation: 102-62=40, Resulting Numbers: [40] 40,19 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: 19:[35, 97, 54], Operations: ['78-24=54'] Exploring Operation: 97-35=62, Resulting Numbers: [54, 62] Generated Node #0,1,0: 19:[54, 62] Operation: 97-35=62 Exploring Operation: 97-54=43, Resulting Numbers: [35, 43] Generated Node #0,1,1: 19:[35, 43] Operation: 97-54=43 Exploring Operation: 35+97=132, Resulting Numbers: [54, 132] Generated Node #0,1,2: 19:[54, 132] Operation: 35+97=132 Exploring Operation: 54-35=19, Resulting Numbers: [97, 19] Generated Node #0,1,3: 19:[97, 19] Operation: 54-35=19 Moving to Node #0,2,0 Current State: 19:[19, 11], Operations: ['97-78=19', '35-24=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[24, 16], Operations: ['97-78=19', '35-19=16'] Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,19 unequal: No Solution Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[35, 5], Operations: ['97-78=19', '24-19=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[24, 54], Operations: ['78-35=43', '97-43=54'] Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[19, 59], Operations: ['97-78=19', '35+24=59'] Exploring Operation: 19+59=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 19*59=1121, Resulting Numbers: [1121] 1121,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[35, 43], Operations: ['78-24=54', '97-54=43'] Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,19 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[97, 19], Operations: ['78-35=43', '43-24=19'] Exploring Operation: 97+19=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 97*19=1843, Resulting Numbers: [1843] 1843,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[43, 73], Operations: ['78-35=43', '97-24=73'] Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,19 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[97, 19], Operations: ['78-24=54', '54-35=19'] Exploring Operation: 97*19=1843, Resulting Numbers: [1843] 1843,19 unequal: No Solution Exploring Operation: 97+19=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[54, 62], Operations: ['78-24=54', '97-35=62'] Exploring Operation: 54*62=3348, Resulting Numbers: [3348] 3348,19 unequal: No Solution Exploring Operation: 54+62=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[43, 121], Operations: ['78-35=43', '24+97=121'] Exploring Operation: 121-43=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 43*121=5203, Resulting Numbers: [5203] 5203,19 unequal: No Solution Exploring Operation: 43+121=164, Resulting Numbers: [164] 164,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[54, 132], Operations: ['78-24=54', '35+97=132'] Exploring Operation: 132-54=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 54*132=7128, Resulting Numbers: [7128] 7128,19 unequal: No Solution Exploring Operation: 54+132=186, Resulting Numbers: [186] 186,19 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 4, 19, 10, 67 ]
31
[ "19-10=9", "4*9=36", "67-36=31" ]
Current State: 31:[4, 19, 10, 67], Operations: [] Exploring Operation: 19-10=9, Resulting Numbers: [4, 67, 9] Generated Node #2: [4, 67, 9] from Operation: 19-10=9 Current State: 31:[4, 67, 9], Operations: ['19-10=9'] Exploring Operation: 4*9=36, Resulting Numbers: [67, 36] Generated Node #3: [67, 36] from Operation: 4*9=36 Current State: 31:[67, 36], Operations: ['19-10=9', '4*9=36'] Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[4, 19, 10, 67], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [19, 67, 40] Generated Node #0,0: 31:[19, 67, 40] Operation: 4*10=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[19, 67, 40], Operations: ['4*10=40'] Exploring Operation: 67-40=27, Resulting Numbers: [19, 27] Generated Node #0,0,0: 31:[19, 27] Operation: 67-40=27 Moving to Node #0,0,0 Current State: 31:[19, 27], Operations: ['4*10=40', '67-40=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,31 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, 51, 14, 54 ]
41
[ "51/51=1", "54-14=40", "1+40=41" ]
Current State: 41:[51, 51, 14, 54], Operations: [] Exploring Operation: 51/51=1, Resulting Numbers: [14, 54, 1] Generated Node #2: [14, 54, 1] from Operation: 51/51=1 Current State: 41:[14, 54, 1], Operations: ['51/51=1'] Exploring Operation: 54-14=40, Resulting Numbers: [1, 40] Generated Node #3: [1, 40] from Operation: 54-14=40 Current State: 41:[1, 40], Operations: ['51/51=1', '54-14=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[51, 51, 14, 54], Operations: [] Exploring Operation: 51-14=37, Resulting Numbers: [51, 54, 37] Generated Node #0,0: 41:[51, 54, 37] Operation: 51-14=37 Exploring Operation: 54-14=40, Resulting Numbers: [51, 51, 40] Generated Node #0,1: 41:[51, 51, 40] Operation: 54-14=40 Moving to Node #0,1 Current State: 41:[51, 51, 40], Operations: ['54-14=40'] Exploring Operation: 51-40=11, Resulting Numbers: [51, 11] Generated Node #0,1,0: 41:[51, 11] Operation: 51-40=11 Exploring Operation: 51-40=11, Resulting Numbers: [51, 11] Generated Node #0,1,1: 41:[51, 11] Operation: 51-40=11 Moving to Node #0,0 Current State: 41:[51, 54, 37], Operations: ['51-14=37'] Exploring Operation: 54-37=17, Resulting Numbers: [51, 17] Generated Node #0,0,0: 41:[51, 17] Operation: 54-37=17 Exploring Operation: 51-37=14, Resulting Numbers: [54, 14] Generated Node #0,0,1: 41:[54, 14] Operation: 51-37=14 Moving to Node #0,0,0 Current State: 41:[51, 17], Operations: ['51-14=37', '54-37=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[51, 11], Operations: ['54-14=40', '51-40=11'] Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[51, 11], Operations: ['54-14=40', '51-40=11'] Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[54, 14], Operations: ['51-14=37', '51-37=14'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 69, 2, 47, 3 ]
31
[ "47+3=50", "2*50=100", "100-69=31" ]
Current State: 31:[69, 2, 47, 3], Operations: [] Exploring Operation: 47+3=50, Resulting Numbers: [69, 2, 50] Generated Node #2: [69, 2, 50] from Operation: 47+3=50 Current State: 31:[69, 2, 50], Operations: ['47+3=50'] Exploring Operation: 2*50=100, Resulting Numbers: [69, 100] Generated Node #3: [69, 100] from Operation: 2*50=100 Current State: 31:[69, 100], Operations: ['47+3=50', '2*50=100'] Exploring Operation: 100-69=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[69, 2, 47, 3], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [2, 3, 22] Generated Node #0,0: 31:[2, 3, 22] Operation: 69-47=22 Exploring Operation: 2*3=6, Resulting Numbers: [69, 47, 6] Generated Node #0,1: 31:[69, 47, 6] Operation: 2*3=6 Exploring Operation: 69-3=66, Resulting Numbers: [2, 47, 66] Generated Node #0,2: 31:[2, 47, 66] Operation: 69-3=66 Exploring Operation: 69-2=67, Resulting Numbers: [47, 3, 67] Generated Node #0,3: 31:[47, 3, 67] Operation: 69-2=67 Exploring Operation: 69/3=23, Resulting Numbers: [2, 47, 23] Generated Node #0,4: 31:[2, 47, 23] Operation: 69/3=23 Moving to Node #0,4 Current State: 31:[2, 47, 23], Operations: ['69/3=23'] Exploring Operation: 47-2=45, Resulting Numbers: [23, 45] Generated Node #0,4,0: 31:[23, 45] Operation: 47-2=45 Exploring Operation: 2+47=49, Resulting Numbers: [23, 49] Generated Node #0,4,1: 31:[23, 49] Operation: 2+47=49 Exploring Operation: 23-2=21, Resulting Numbers: [47, 21] Generated Node #0,4,2: 31:[47, 21] Operation: 23-2=21 Exploring Operation: 2+23=25, Resulting Numbers: [47, 25] Generated Node #0,4,3: 31:[47, 25] Operation: 2+23=25 Exploring Operation: 2*23=46, Resulting Numbers: [47, 46] Generated Node #0,4,4: 31:[47, 46] Operation: 2*23=46 Moving to Node #0,0 Current State: 31:[2, 3, 22], Operations: ['69-47=22'] Exploring Operation: 3-2=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 31:[22, 1] Operation: 3-2=1 Exploring Operation: 2+22=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 31:[3, 24] Operation: 2+22=24 Exploring Operation: 2*3=6, Resulting Numbers: [22, 6] Generated Node #0,0,2: 31:[22, 6] Operation: 2*3=6 Exploring Operation: 3+22=25, Resulting Numbers: [2, 25] Generated Node #0,0,3: 31:[2, 25] Operation: 3+22=25 Exploring Operation: 2+3=5, Resulting Numbers: [22, 5] Generated Node #0,0,4: 31:[22, 5] Operation: 2+3=5 Moving to Node #0,1 Current State: 31:[69, 47, 6], Operations: ['2*3=6'] Exploring Operation: 47+6=53, Resulting Numbers: [69, 53] Generated Node #0,1,0: 31:[69, 53] Operation: 47+6=53 Exploring Operation: 69-47=22, Resulting Numbers: [6, 22] Generated Node #0,1,1: 31:[6, 22] Operation: 69-47=22 Exploring Operation: 69+6=75, Resulting Numbers: [47, 75] Generated Node #0,1,2: 31:[47, 75] Operation: 69+6=75 Exploring Operation: 69-6=63, Resulting Numbers: [47, 63] Generated Node #0,1,3: 31:[47, 63] Operation: 69-6=63 Exploring Operation: 47-6=41, Resulting Numbers: [69, 41] Generated Node #0,1,4: 31:[69, 41] Operation: 47-6=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[6, 22], Operations: ['2*3=6', '69-47=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,31 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 31:[47, 63], Operations: ['2*3=6', '69-6=63'] Exploring Operation: 47+63=110, Resulting Numbers: [110] 110,31 unequal: No Solution Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 47*63=2961, Resulting Numbers: [2961] 2961,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 31:[69, 41], Operations: ['2*3=6', '47-6=41'] Exploring Operation: 69+41=110, Resulting Numbers: [110] 110,31 unequal: No Solution Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 69*41=2829, Resulting Numbers: [2829] 2829,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[69, 53], Operations: ['2*3=6', '47+6=53'] Exploring Operation: 69+53=122, Resulting Numbers: [122] 122,31 unequal: No Solution Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 69*53=3657, Resulting Numbers: [3657] 3657,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[47, 75], Operations: ['2*3=6', '69+6=75'] Exploring Operation: 47+75=122, Resulting Numbers: [122] 122,31 unequal: No Solution Exploring Operation: 47*75=3525, Resulting Numbers: [3525] 3525,31 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 31:[2, 47, 66], Operations: ['69-3=66'] Exploring Operation: 2+47=49, Resulting Numbers: [66, 49] Generated Node #0,2,0: 31:[66, 49] Operation: 2+47=49 Exploring Operation: 47-2=45, Resulting Numbers: [66, 45] Generated Node #0,2,1: 31:[66, 45] Operation: 47-2=45 Exploring Operation: 66-47=19, Resulting Numbers: [2, 19] Generated Node #0,2,2: 31:[2, 19] Operation: 66-47=19 Exploring Operation: 66-2=64, Resulting Numbers: [47, 64] Generated Node #0,2,3: 31:[47, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [47, 33] Generated Node #0,2,4: 31:[47, 33] Operation: 66/2=33 Moving to Node #0,3 Current State: 31:[47, 3, 67], Operations: ['69-2=67'] Exploring Operation: 3+67=70, Resulting Numbers: [47, 70] Generated Node #0,3,0: 31:[47, 70] Operation: 3+67=70 Exploring Operation: 47+3=50, Resulting Numbers: [67, 50] Generated Node #0,3,1: 31:[67, 50] Operation: 47+3=50 Exploring Operation: 67-47=20, Resulting Numbers: [3, 20] Generated Node #0,3,2: 31:[3, 20] Operation: 67-47=20 Exploring Operation: 47-3=44, Resulting Numbers: [67, 44] Generated Node #0,3,3: 31:[67, 44] Operation: 47-3=44 Exploring Operation: 67-3=64, Resulting Numbers: [47, 64] Generated Node #0,3,4: 31:[47, 64] Operation: 67-3=64 Moving to Node #0,2,4 Current State: 31:[47, 33], Operations: ['69-3=66', '66/2=33'] Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,31 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,31 unequal: No Solution Moving to Node #0,4,0 Current State: 31:[23, 45], Operations: ['69/3=23', '47-2=45'] Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,31 unequal: No Solution Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,31 unequal: No Solution Moving to Node #0,4,3 Current State: 31:[47, 25], Operations: ['69/3=23', '2+23=25'] Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,31 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,31 unequal: No Solution Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,31 unequal: No Solution Moving to Node #0,4,1 Current State: 31:[23, 49], Operations: ['69/3=23', '2+47=49'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,31 unequal: No Solution Moving to Node #0,4,2 Current State: 31:[47, 21], Operations: ['69/3=23', '23-2=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,31 unequal: No Solution Moving to Node #0,4,4 Current State: 31:[47, 46], Operations: ['69/3=23', '2*23=46'] Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,31 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,31 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[22, 6], Operations: ['69-47=22', '2*3=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,31 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[3, 24], Operations: ['69-47=22', '2+22=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[22, 5], Operations: ['69-47=22', '2+3=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[2, 25], Operations: ['69-47=22', '3+22=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[22, 1], Operations: ['69-47=22', '3-2=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,31 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[3, 20], Operations: ['69-2=67', '67-47=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[2, 19], Operations: ['69-3=66', '66-47=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[47, 64], Operations: ['69-3=66', '66-2=64'] Exploring Operation: 47*64=3008, Resulting Numbers: [3008] 3008,31 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[66, 45], Operations: ['69-3=66', '47-2=45'] Exploring Operation: 66+45=111, Resulting Numbers: [111] 111,31 unequal: No Solution Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 66*45=2970, Resulting Numbers: [2970] 2970,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[67, 44], Operations: ['69-2=67', '47-3=44'] Exploring Operation: 67+44=111, Resulting Numbers: [111] 111,31 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 67*44=2948, Resulting Numbers: [2948] 2948,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[47, 64], Operations: ['69-2=67', '67-3=64'] Exploring Operation: 47*64=3008, Resulting Numbers: [3008] 3008,31 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[66, 49], Operations: ['69-3=66', '2+47=49'] Exploring Operation: 66-49=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 66*49=3234, Resulting Numbers: [3234] 3234,31 unequal: No Solution Exploring Operation: 66+49=115, Resulting Numbers: [115] 115,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[67, 50], Operations: ['69-2=67', '47+3=50'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,31 unequal: No Solution Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[47, 70], Operations: ['69-2=67', '3+67=70'] Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 47+70=117, Resulting Numbers: [117] 117,31 unequal: No Solution Exploring Operation: 47*70=3290, Resulting Numbers: [3290] 3290,31 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 99, 76, 92, 64 ]
16
[ "99-76=23", "92/23=4", "64/4=16" ]
Current State: 16:[99, 76, 92, 64], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [92, 64, 23] Generated Node #2: [92, 64, 23] from Operation: 99-76=23 Current State: 16:[92, 64, 23], Operations: ['99-76=23'] Exploring Operation: 92/23=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 92/23=4 Current State: 16:[64, 4], Operations: ['99-76=23', '92/23=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[99, 76, 92, 64], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [92, 64, 23] Generated Node #0,0: 16:[92, 64, 23] Operation: 99-76=23 Exploring Operation: 92-76=16, Resulting Numbers: [99, 64, 16] Generated Node #0,1: 16:[99, 64, 16] Operation: 92-76=16 Exploring Operation: 99-64=35, Resulting Numbers: [76, 92, 35] Generated Node #0,2: 16:[76, 92, 35] Operation: 99-64=35 Exploring Operation: 99-92=7, Resulting Numbers: [76, 64, 7] Generated Node #0,3: 16:[76, 64, 7] Operation: 99-92=7 Moving to Node #0,3 Current State: 16:[76, 64, 7], Operations: ['99-92=7'] Exploring Operation: 76-7=69, Resulting Numbers: [64, 69] Generated Node #0,3,0: 16:[64, 69] Operation: 76-7=69 Exploring Operation: 64-7=57, Resulting Numbers: [76, 57] Generated Node #0,3,1: 16:[76, 57] Operation: 64-7=57 Exploring Operation: 76-64=12, Resulting Numbers: [7, 12] Generated Node #0,3,2: 16:[7, 12] Operation: 76-64=12 Exploring Operation: 76+7=83, Resulting Numbers: [64, 83] Generated Node #0,3,3: 16:[64, 83] Operation: 76+7=83 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[7, 12], Operations: ['99-92=7', '76-64=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,16 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,16 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 #0,3,0 Current State: 16:[64, 69], Operations: ['99-92=7', '76-7=69'] Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,16 unequal: No Solution Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,16 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 #0,3,1 Current State: 16:[76, 57], Operations: ['99-92=7', '64-7=57'] Exploring Operation: 76+57=133, Resulting Numbers: [133] 133,16 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 76*57=4332, Resulting Numbers: [4332] 4332,16 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 #0,3,3 Current State: 16:[64, 83], Operations: ['99-92=7', '76+7=83'] Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 64*83=5312, Resulting Numbers: [5312] 5312,16 unequal: No Solution Exploring Operation: 64+83=147, Resulting Numbers: [147] 147,16 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:[99, 64, 16], Operations: ['92-76=16'] Exploring Operation: 64-16=48, Resulting Numbers: [99, 48] Generated Node #0,1,0: 16:[99, 48] Operation: 64-16=48 Exploring Operation: 99-64=35, Resulting Numbers: [16, 35] Generated Node #0,1,1: 16:[16, 35] Operation: 99-64=35 Exploring Operation: 64/16=4, Resulting Numbers: [99, 4] Generated Node #0,1,2: 16:[99, 4] Operation: 64/16=4 Exploring Operation: 99-16=83, Resulting Numbers: [64, 83] Generated Node #0,1,3: 16:[64, 83] Operation: 99-16=83 Moving to Node #0,0 Current State: 16:[92, 64, 23], Operations: ['99-76=23'] Exploring Operation: 64-23=41, Resulting Numbers: [92, 41] Generated Node #0,0,0: 16:[92, 41] Operation: 64-23=41 Exploring Operation: 92-23=69, Resulting Numbers: [64, 69] Generated Node #0,0,1: 16:[64, 69] Operation: 92-23=69 Exploring Operation: 92-64=28, Resulting Numbers: [23, 28] Generated Node #0,0,2: 16:[23, 28] Operation: 92-64=28 Exploring Operation: 92/23=4, Resulting Numbers: [64, 4] Generated Node #0,0,3: 16:[64, 4] Operation: 92/23=4 Moving to Node #0,2 Current State: 16:[76, 92, 35], Operations: ['99-64=35'] Exploring Operation: 76-35=41, Resulting Numbers: [92, 41] Generated Node #0,2,0: 16:[92, 41] Operation: 76-35=41 Exploring Operation: 92-35=57, Resulting Numbers: [76, 57] Generated Node #0,2,1: 16:[76, 57] Operation: 92-35=57 Exploring Operation: 76+92=168, Resulting Numbers: [35, 168] Generated Node #0,2,2: 16:[35, 168] Operation: 76+92=168 Exploring Operation: 92-76=16, Resulting Numbers: [35, 16] Generated Node #0,2,3: 16:[35, 16] Operation: 92-76=16 Moving to Node #0,1,1 Current State: 16:[16, 35], Operations: ['92-76=16', '99-64=35'] Exploring Operation: 16*35=560, Resulting Numbers: [560] 560,16 unequal: No Solution Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[23, 28], Operations: ['99-76=23', '92-64=28'] Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[35, 16], Operations: ['99-64=35', '92-76=16'] Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,16 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[64, 4], Operations: ['99-76=23', '92/23=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 64*4=256, Resulting Numbers: [256] 256,16 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[99, 76, 92, 64], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [92, 64, 23] Generated Node #0,0: 16:[92, 64, 23] Operation: 99-76=23 Moving to Node #0,0 Current State: 16:[92, 64, 23], Operations: ['99-76=23'] Exploring Operation: 92/23=4, Resulting Numbers: [64, 4] Generated Node #0,0,3: 16:[64, 4] Operation: 92/23=4 Moving to Node #0,0,3 Current State: 16:[64, 4], Operations: ['99-76=23', '92/23=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.958333
hs_4
sum_heuristic
[ 76, 68, 22, 80 ]
50
[ "76-68=8", "80-22=58", "58-8=50" ]
Current State: 50:[76, 68, 22, 80], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [22, 80, 8] Generated Node #2: [22, 80, 8] from Operation: 76-68=8 Current State: 50:[22, 80, 8], Operations: ['76-68=8'] Exploring Operation: 80-22=58, Resulting Numbers: [8, 58] Generated Node #3: [8, 58] from Operation: 80-22=58 Current State: 50:[8, 58], Operations: ['76-68=8', '80-22=58'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[76, 68, 22, 80], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [68, 22, 4] Generated Node #0,0: 50:[68, 22, 4] Operation: 80-76=4 Exploring Operation: 80-68=12, Resulting Numbers: [76, 22, 12] Generated Node #0,1: 50:[76, 22, 12] Operation: 80-68=12 Moving to Node #0,0 Current State: 50:[68, 22, 4], Operations: ['80-76=4'] Exploring Operation: 68-22=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 50:[4, 46] Operation: 68-22=46 Exploring Operation: 68/4=17, Resulting Numbers: [22, 17] Generated Node #0,0,1: 50:[22, 17] Operation: 68/4=17 Moving to Node #0,1 Current State: 50:[76, 22, 12], Operations: ['80-68=12'] Exploring Operation: 76-22=54, Resulting Numbers: [12, 54] Generated Node #0,1,0: 50:[12, 54] Operation: 76-22=54 Exploring Operation: 76-12=64, Resulting Numbers: [22, 64] Generated Node #0,1,1: 50:[22, 64] Operation: 76-12=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[12, 54], Operations: ['80-68=12', '76-22=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,50 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 #0,1,1 Current State: 50:[22, 64], Operations: ['80-68=12', '76-12=64'] Exploring Operation: 22+64=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 50:[4, 46], Operations: ['80-76=4', '68-22=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[76, 68, 22, 80], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [68, 22, 4] Generated Node #0,0: 50:[68, 22, 4] Operation: 80-76=4 Moving to Node #0,0 Current State: 50:[68, 22, 4], Operations: ['80-76=4'] Exploring Operation: 68-22=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 50:[4, 46] Operation: 68-22=46 Moving to Node #0,0,0 Current State: 50:[4, 46], Operations: ['80-76=4', '68-22=46'] Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 80, 16, 4, 76 ]
24
[ "80+16=96", "76-4=72", "96-72=24" ]
Current State: 24:[80, 16, 4, 76], Operations: [] Exploring Operation: 80+16=96, Resulting Numbers: [4, 76, 96] Generated Node #2: [4, 76, 96] from Operation: 80+16=96 Current State: 24:[4, 76, 96], Operations: ['80+16=96'] Exploring Operation: 76-4=72, Resulting Numbers: [96, 72] Generated Node #3: [96, 72] from Operation: 76-4=72 Current State: 24:[96, 72], Operations: ['80+16=96', '76-4=72'] Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[80, 16, 4, 76], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [16, 4, 4] Generated Node #0,0: 24:[16, 4, 4] Operation: 80-76=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[16, 4, 4], Operations: ['80-76=4'] Exploring Operation: 16-4=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 24:[4, 12] Operation: 16-4=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[4, 12], Operations: ['80-76=4', '16-4=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,24 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
[ 44, 55, 11, 50 ]
99
[ "44+50=94", "55/11=5", "94+5=99" ]
Current State: 99:[44, 55, 11, 50], Operations: [] Exploring Operation: 44+50=94, Resulting Numbers: [55, 11, 94] Generated Node #2: [55, 11, 94] from Operation: 44+50=94 Current State: 99:[55, 11, 94], Operations: ['44+50=94'] Exploring Operation: 55/11=5, Resulting Numbers: [94, 5] Generated Node #3: [94, 5] from Operation: 55/11=5 Current State: 99:[94, 5], Operations: ['44+50=94', '55/11=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[44, 55, 11, 50], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [11, 50, 11] Generated Node #0,0: 99:[11, 50, 11] Operation: 55-44=11 Exploring Operation: 50-44=6, Resulting Numbers: [55, 11, 6] Generated Node #0,1: 99:[55, 11, 6] Operation: 50-44=6 Exploring Operation: 55+50=105, Resulting Numbers: [44, 11, 105] Generated Node #0,2: 99:[44, 11, 105] Operation: 55+50=105 Exploring Operation: 55-50=5, Resulting Numbers: [44, 11, 5] Generated Node #0,3: 99:[44, 11, 5] Operation: 55-50=5 Exploring Operation: 44+55=99, Resulting Numbers: [11, 50, 99] Generated Node #0,4: 99:[11, 50, 99] Operation: 44+55=99 Moving to Node #0,3 Current State: 99:[44, 11, 5], Operations: ['55-50=5'] Exploring Operation: 44-5=39, Resulting Numbers: [11, 39] Generated Node #0,3,0: 99:[11, 39] Operation: 44-5=39 Exploring Operation: 11-5=6, Resulting Numbers: [44, 6] Generated Node #0,3,1: 99:[44, 6] Operation: 11-5=6 Exploring Operation: 44/11=4, Resulting Numbers: [5, 4] Generated Node #0,3,2: 99:[5, 4] Operation: 44/11=4 Exploring Operation: 44-11=33, Resulting Numbers: [5, 33] Generated Node #0,3,3: 99:[5, 33] Operation: 44-11=33 Exploring Operation: 44+5=49, Resulting Numbers: [11, 49] Generated Node #0,3,4: 99:[11, 49] Operation: 44+5=49 Moving to Node #0,2 Current State: 99:[44, 11, 105], Operations: ['55+50=105'] Exploring Operation: 44/11=4, Resulting Numbers: [105, 4] Generated Node #0,2,0: 99:[105, 4] Operation: 44/11=4 Exploring Operation: 105-11=94, Resulting Numbers: [44, 94] Generated Node #0,2,1: 99:[44, 94] Operation: 105-11=94 Exploring Operation: 44+11=55, Resulting Numbers: [105, 55] Generated Node #0,2,2: 99:[105, 55] Operation: 44+11=55 Exploring Operation: 44-11=33, Resulting Numbers: [105, 33] Generated Node #0,2,3: 99:[105, 33] Operation: 44-11=33 Exploring Operation: 105-44=61, Resulting Numbers: [11, 61] Generated Node #0,2,4: 99:[11, 61] Operation: 105-44=61 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[105, 33], Operations: ['55+50=105', '44-11=33'] Exploring Operation: 105+33=138, Resulting Numbers: [138] 138,99 unequal: No Solution Exploring Operation: 105*33=3465, Resulting Numbers: [3465] 3465,99 unequal: No Solution Exploring Operation: 105-33=72, Resulting Numbers: [72] 72,99 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 #0,2,0 Current State: 99:[105, 4], Operations: ['55+50=105', '44/11=4'] Exploring Operation: 105*4=420, Resulting Numbers: [420] 420,99 unequal: No Solution Exploring Operation: 105-4=101, Resulting Numbers: [101] 101,99 unequal: No Solution Exploring Operation: 105+4=109, Resulting Numbers: [109] 109,99 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 #0,2,1 Current State: 99:[44, 94], Operations: ['55+50=105', '105-11=94'] Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 44*94=4136, Resulting Numbers: [4136] 4136,99 unequal: No Solution Exploring Operation: 44+94=138, Resulting Numbers: [138] 138,99 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 #0,2,2 Current State: 99:[105, 55], Operations: ['55+50=105', '44+11=55'] Exploring Operation: 105+55=160, Resulting Numbers: [160] 160,99 unequal: No Solution Exploring Operation: 105-55=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 105*55=5775, Resulting Numbers: [5775] 5775,99 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 #0,2,4 Current State: 99:[11, 61], Operations: ['55+50=105', '105-44=61'] Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,99 unequal: No Solution Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,99 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:[11, 50, 11], Operations: ['55-44=11'] Exploring Operation: 11-11=0, Resulting Numbers: [50, 0] Generated Node #0,0,0: 99:[50, 0] Operation: 11-11=0 Exploring Operation: 50-11=39, Resulting Numbers: [11, 39] Generated Node #0,0,1: 99:[11, 39] Operation: 50-11=39 Exploring Operation: 11+50=61, Resulting Numbers: [11, 61] Generated Node #0,0,2: 99:[11, 61] Operation: 11+50=61 Exploring Operation: 11/11=1, Resulting Numbers: [50, 1] Generated Node #0,0,3: 99:[50, 1] Operation: 11/11=1 Exploring Operation: 50-11=39, Resulting Numbers: [11, 39] Generated Node #0,0,4: 99:[11, 39] Operation: 50-11=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[11, 39], Operations: ['55-44=11', '50-11=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,99 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 #0,0,4 Current State: 99:[11, 39], Operations: ['55-44=11', '50-11=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,99 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 #0,0,3 Current State: 99:[50, 1], Operations: ['55-44=11', '11/11=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,99 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,99 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 #0,0,0 Current State: 99:[50, 0], Operations: ['55-44=11', '11-11=0'] Exploring Operation: 50*0=0, Resulting Numbers: [0] 0,99 unequal: No Solution Exploring Operation: 50+0=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 50-0=50, Resulting Numbers: [50] 50,99 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 #0,0,2 Current State: 99:[11, 61], Operations: ['55-44=11', '11+50=61'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,99 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,99 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: 99:[11, 50, 99], Operations: ['44+55=99'] Exploring Operation: 99-50=49, Resulting Numbers: [11, 49] Generated Node #0,4,0: 99:[11, 49] Operation: 99-50=49 Exploring Operation: 11+99=110, Resulting Numbers: [50, 110] Generated Node #0,4,1: 99:[50, 110] Operation: 11+99=110 Exploring Operation: 11+50=61, Resulting Numbers: [99, 61] Generated Node #0,4,2: 99:[99, 61] Operation: 11+50=61 Exploring Operation: 50-11=39, Resulting Numbers: [99, 39] Generated Node #0,4,3: 99:[99, 39] Operation: 50-11=39 Exploring Operation: 99/11=9, Resulting Numbers: [50, 9] Generated Node #0,4,4: 99:[50, 9] Operation: 99/11=9 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 99:[99, 39], Operations: ['44+55=99', '50-11=39'] Exploring Operation: 99+39=138, Resulting Numbers: [138] 138,99 unequal: No Solution Exploring Operation: 99*39=3861, Resulting Numbers: [3861] 3861,99 unequal: No Solution Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,99 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 #0,4,0 Current State: 99:[11, 49], Operations: ['44+55=99', '99-50=49'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,99 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 #0,4,4 Current State: 99:[50, 9], Operations: ['44+55=99', '99/11=9'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,99 unequal: No Solution Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,99 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 #0,4,1 Current State: 99:[50, 110], Operations: ['44+55=99', '11+99=110'] Exploring Operation: 50+110=160, Resulting Numbers: [160] 160,99 unequal: No Solution Exploring Operation: 110-50=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 50*110=5500, Resulting Numbers: [5500] 5500,99 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 #0,4,2 Current State: 99:[99, 61], Operations: ['44+55=99', '11+50=61'] Exploring Operation: 99-61=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 99+61=160, Resulting Numbers: [160] 160,99 unequal: No Solution Exploring Operation: 99*61=6039, Resulting Numbers: [6039] 6039,99 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:[55, 11, 6], Operations: ['50-44=6'] Exploring Operation: 55-6=49, Resulting Numbers: [11, 49] Generated Node #0,1,0: 99:[11, 49] Operation: 55-6=49 Exploring Operation: 55-11=44, Resulting Numbers: [6, 44] Generated Node #0,1,1: 99:[6, 44] Operation: 55-11=44 Exploring Operation: 55/11=5, Resulting Numbers: [6, 5] Generated Node #0,1,2: 99:[6, 5] Operation: 55/11=5 Exploring Operation: 55+6=61, Resulting Numbers: [11, 61] Generated Node #0,1,3: 99:[11, 61] Operation: 55+6=61 Exploring Operation: 11-6=5, Resulting Numbers: [55, 5] Generated Node #0,1,4: 99:[55, 5] Operation: 11-6=5 Moving to Node #0,3,3 Current State: 99:[5, 33], Operations: ['55-50=5', '44-11=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,99 unequal: No Solution Moving to Node #0,3,2 Current State: 99:[5, 4], Operations: ['55-50=5', '44/11=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[6, 5], Operations: ['50-44=6', '55/11=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,3,0 Current State: 99:[11, 39], Operations: ['55-50=5', '44-5=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[6, 44], Operations: ['50-44=6', '55-11=44'] Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,99 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,99 unequal: No Solution Moving to Node #0,3,1 Current State: 99:[44, 6], Operations: ['55-50=5', '11-5=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[11, 49], Operations: ['55-50=5', '44+5=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[11, 49], Operations: ['50-44=6', '55-6=49'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,99 unequal: No Solution Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[55, 5], Operations: ['50-44=6', '11-6=5'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,99 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[11, 61], Operations: ['50-44=6', '55+6=61'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,99 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,99 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 15, 19, 98, 73 ]
100
[ "19-15=4", "98-73=25", "4*25=100" ]
Current State: 100:[15, 19, 98, 73], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [98, 73, 4] Generated Node #2: [98, 73, 4] from Operation: 19-15=4 Current State: 100:[98, 73, 4], Operations: ['19-15=4'] Exploring Operation: 98-73=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 98-73=25 Current State: 100:[4, 25], Operations: ['19-15=4', '98-73=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[15, 19, 98, 73], Operations: [] Exploring Operation: 98-73=25, Resulting Numbers: [15, 19, 25] Generated Node #0,0: 100:[15, 19, 25] Operation: 98-73=25 Exploring Operation: 73-15=58, Resulting Numbers: [19, 98, 58] Generated Node #0,1: 100:[19, 98, 58] Operation: 73-15=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[15, 19, 25], Operations: ['98-73=25'] Exploring Operation: 19-15=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 19-15=4 Exploring Operation: 25-15=10, Resulting Numbers: [19, 10] Generated Node #0,0,1: 100:[19, 10] Operation: 25-15=10 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['98-73=25', '19-15=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[15, 19, 98, 73], Operations: [] Exploring Operation: 98-73=25, Resulting Numbers: [15, 19, 25] Generated Node #0,0: 100:[15, 19, 25] Operation: 98-73=25 Moving to Node #0,0 Current State: 100:[15, 19, 25], Operations: ['98-73=25'] Exploring Operation: 19-15=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 19-15=4 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['98-73=25', '19-15=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 68, 88, 76, 24 ]
70
[ "88-76=12", "24/12=2", "68+2=70" ]
Current State: 70:[68, 88, 76, 24], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [68, 24, 12] Generated Node #2: [68, 24, 12] from Operation: 88-76=12 Current State: 70:[68, 24, 12], Operations: ['88-76=12'] Exploring Operation: 24/12=2, Resulting Numbers: [68, 2] Generated Node #3: [68, 2] from Operation: 24/12=2 Current State: 70:[68, 2], Operations: ['88-76=12', '24/12=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[68, 88, 76, 24], Operations: [] Exploring Operation: 88-68=20, Resulting Numbers: [76, 24, 20] Generated Node #0,0: 70:[76, 24, 20] Operation: 88-68=20 Exploring Operation: 88-24=64, Resulting Numbers: [68, 76, 64] Generated Node #0,1: 70:[68, 76, 64] Operation: 88-24=64 Exploring Operation: 88-76=12, Resulting Numbers: [68, 24, 12] Generated Node #0,2: 70:[68, 24, 12] Operation: 88-76=12 Moving to Node #0,1 Current State: 70:[68, 76, 64], Operations: ['88-24=64'] Exploring Operation: 68-64=4, Resulting Numbers: [76, 4] Generated Node #0,1,0: 70:[76, 4] Operation: 68-64=4 Exploring Operation: 76-68=8, Resulting Numbers: [64, 8] Generated Node #0,1,1: 70:[64, 8] Operation: 76-68=8 Exploring Operation: 76-64=12, Resulting Numbers: [68, 12] Generated Node #0,1,2: 70:[68, 12] Operation: 76-64=12 Moving to Node #0,2 Current State: 70:[68, 24, 12], Operations: ['88-76=12'] Exploring Operation: 24/12=2, Resulting Numbers: [68, 2] Generated Node #0,2,0: 70:[68, 2] Operation: 24/12=2 Exploring Operation: 24-12=12, Resulting Numbers: [68, 12] Generated Node #0,2,1: 70:[68, 12] Operation: 24-12=12 Exploring Operation: 24+12=36, Resulting Numbers: [68, 36] Generated Node #0,2,2: 70:[68, 36] Operation: 24+12=36 Moving to Node #0,0 Current State: 70:[76, 24, 20], Operations: ['88-68=20'] Exploring Operation: 76-24=52, Resulting Numbers: [20, 52] Generated Node #0,0,0: 70:[20, 52] Operation: 76-24=52 Exploring Operation: 24-20=4, Resulting Numbers: [76, 4] Generated Node #0,0,1: 70:[76, 4] Operation: 24-20=4 Exploring Operation: 24+20=44, Resulting Numbers: [76, 44] Generated Node #0,0,2: 70:[76, 44] Operation: 24+20=44 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[76, 4], Operations: ['88-68=20', '24-20=4'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,70 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 #0,0,2 Current State: 70:[76, 44], Operations: ['88-68=20', '24+20=44'] Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,70 unequal: No Solution Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,70 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 #0,0,0 Current State: 70:[20, 52], Operations: ['88-68=20', '76-24=52'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,70 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 70:[68, 2], Operations: ['88-76=12', '24/12=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[68, 88, 76, 24], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [68, 24, 12] Generated Node #0,2: 70:[68, 24, 12] Operation: 88-76=12 Moving to Node #0,2 Current State: 70:[68, 24, 12], Operations: ['88-76=12'] Exploring Operation: 24/12=2, Resulting Numbers: [68, 2] Generated Node #0,2,0: 70:[68, 2] Operation: 24/12=2 Moving to Node #0,2,0 Current State: 70:[68, 2], Operations: ['88-76=12', '24/12=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 79, 41, 96, 3 ]
92
[ "96-79=17", "3*17=51", "41+51=92" ]
Current State: 92:[79, 41, 96, 3], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [41, 3, 17] Generated Node #2: [41, 3, 17] from Operation: 96-79=17 Current State: 92:[41, 3, 17], Operations: ['96-79=17'] Exploring Operation: 3*17=51, Resulting Numbers: [41, 51] Generated Node #3: [41, 51] from Operation: 3*17=51 Current State: 92:[41, 51], Operations: ['96-79=17', '3*17=51'] Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[79, 41, 96, 3], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [41, 3, 17] Generated Node #0,0: 92:[41, 3, 17] Operation: 96-79=17 Exploring Operation: 79-41=38, Resulting Numbers: [96, 3, 38] Generated Node #0,1: 92:[96, 3, 38] Operation: 79-41=38 Moving to Node #0,0 Current State: 92:[41, 3, 17], Operations: ['96-79=17'] Exploring Operation: 41-17=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 92:[3, 24] Operation: 41-17=24 Exploring Operation: 41+3=44, Resulting Numbers: [17, 44] Generated Node #0,0,1: 92:[17, 44] Operation: 41+3=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[3, 24], Operations: ['96-79=17', '41-17=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,92 unequal: No Solution No 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: 92:[17, 44], Operations: ['96-79=17', '41+3=44'] Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,92 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,92 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: 92:[96, 3, 38], Operations: ['79-41=38'] Exploring Operation: 3+38=41, Resulting Numbers: [96, 41] Generated Node #0,1,0: 92:[96, 41] Operation: 3+38=41 Exploring Operation: 96-3=93, Resulting Numbers: [38, 93] Generated Node #0,1,1: 92:[38, 93] Operation: 96-3=93 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[96, 41], Operations: ['79-41=38', '3+38=41'] Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,92 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,92 unequal: No Solution No 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: 92:[38, 93], Operations: ['79-41=38', '96-3=93'] Exploring Operation: 38+93=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,92 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
[ 13, 91, 14, 41 ]
77
[ "13+91=104", "41-14=27", "104-27=77" ]
Current State: 77:[13, 91, 14, 41], Operations: [] Exploring Operation: 13+91=104, Resulting Numbers: [14, 41, 104] Generated Node #2: [14, 41, 104] from Operation: 13+91=104 Current State: 77:[14, 41, 104], Operations: ['13+91=104'] Exploring Operation: 41-14=27, Resulting Numbers: [104, 27] Generated Node #3: [104, 27] from Operation: 41-14=27 Current State: 77:[104, 27], Operations: ['13+91=104', '41-14=27'] Exploring Operation: 104-27=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[13, 91, 14, 41], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [13, 14, 50] Generated Node #0,0: 77:[13, 14, 50] Operation: 91-41=50 Exploring Operation: 41-14=27, Resulting Numbers: [13, 91, 27] Generated Node #0,1: 77:[13, 91, 27] Operation: 41-14=27 Exploring Operation: 91-14=77, Resulting Numbers: [13, 41, 77] Generated Node #0,2: 77:[13, 41, 77] Operation: 91-14=77 Moving to Node #0,0 Current State: 77:[13, 14, 50], Operations: ['91-41=50'] Exploring Operation: 14+50=64, Resulting Numbers: [13, 64] Generated Node #0,0,0: 77:[13, 64] Operation: 14+50=64 Exploring Operation: 50-14=36, Resulting Numbers: [13, 36] Generated Node #0,0,1: 77:[13, 36] Operation: 50-14=36 Exploring Operation: 13+50=63, Resulting Numbers: [14, 63] Generated Node #0,0,2: 77:[14, 63] Operation: 13+50=63 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[13, 64], Operations: ['91-41=50', '14+50=64'] Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[13, 91, 14, 41], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [13, 14, 50] Generated Node #0,0: 77:[13, 14, 50] Operation: 91-41=50 Moving to Node #0,0 Current State: 77:[13, 14, 50], Operations: ['91-41=50'] Exploring Operation: 14+50=64, Resulting Numbers: [13, 64] Generated Node #0,0,0: 77:[13, 64] Operation: 14+50=64 Moving to Node #0,0,0 Current State: 77:[13, 64], Operations: ['91-41=50', '14+50=64'] Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 82, 2, 21, 77 ]
54
[ "77-21=56", "56/2=28", "82-28=54" ]
Current State: 54:[82, 2, 21, 77], Operations: [] Exploring Operation: 77-21=56, Resulting Numbers: [82, 2, 56] Generated Node #2: [82, 2, 56] from Operation: 77-21=56 Current State: 54:[82, 2, 56], Operations: ['77-21=56'] Exploring Operation: 56/2=28, Resulting Numbers: [82, 28] Generated Node #3: [82, 28] from Operation: 56/2=28 Current State: 54:[82, 28], Operations: ['77-21=56', '56/2=28'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[82, 2, 21, 77], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [2, 21, 5] Generated Node #0,0: 54:[2, 21, 5] Operation: 82-77=5 Moving to Node #0,0 Current State: 54:[2, 21, 5], Operations: ['82-77=5'] Exploring Operation: 21+5=26, Resulting Numbers: [2, 26] Generated Node #0,0,0: 54:[2, 26] Operation: 21+5=26 Moving to Node #0,0,0 Current State: 54:[2, 26], Operations: ['82-77=5', '21+5=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 36, 9, 6, 14 ]
27
[ "36+6=42", "9*42=378", "378/14=27" ]
Current State: 27:[36, 9, 6, 14], Operations: [] Exploring Operation: 36+6=42, Resulting Numbers: [9, 14, 42] Generated Node #2: [9, 14, 42] from Operation: 36+6=42 Current State: 27:[9, 14, 42], Operations: ['36+6=42'] Exploring Operation: 9*42=378, Resulting Numbers: [14, 378] Generated Node #3: [14, 378] from Operation: 9*42=378 Current State: 27:[14, 378], Operations: ['36+6=42', '9*42=378'] Exploring Operation: 378/14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[36, 9, 6, 14], Operations: [] Exploring Operation: 36-9=27, Resulting Numbers: [6, 14, 27] Generated Node #0,0: 27:[6, 14, 27] Operation: 36-9=27 Exploring Operation: 36/6=6, Resulting Numbers: [9, 14, 6] Generated Node #0,1: 27:[9, 14, 6] Operation: 36/6=6 Exploring Operation: 36-6=30, Resulting Numbers: [9, 14, 30] Generated Node #0,2: 27:[9, 14, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[6, 14, 27], Operations: ['36-9=27'] Exploring Operation: 27-14=13, Resulting Numbers: [6, 13] Generated Node #0,0,0: 27:[6, 13] Operation: 27-14=13 Exploring Operation: 6+14=20, Resulting Numbers: [27, 20] Generated Node #0,0,1: 27:[27, 20] Operation: 6+14=20 Exploring Operation: 14-6=8, Resulting Numbers: [27, 8] Generated Node #0,0,2: 27:[27, 8] Operation: 14-6=8 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[27, 8], Operations: ['36-9=27', '14-6=8'] Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,27 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,27 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[6, 13], Operations: ['36-9=27', '27-14=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,27 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[27, 20], Operations: ['36-9=27', '6+14=20'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,27 unequal: No Solution Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[9, 14, 6], Operations: ['36/6=6'] Exploring Operation: 9-6=3, Resulting Numbers: [14, 3] Generated Node #0,1,0: 27:[14, 3] Operation: 9-6=3 Exploring Operation: 14-9=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 27:[6, 5] Operation: 14-9=5 Exploring Operation: 14-6=8, Resulting Numbers: [9, 8] Generated Node #0,1,2: 27:[9, 8] Operation: 14-6=8 Moving to Node #0,1,2 Current State: 27:[9, 8], Operations: ['36/6=6', '14-6=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[14, 3], Operations: ['36/6=6', '9-6=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[6, 5], Operations: ['36/6=6', '14-9=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,27 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 Current State: 27:[9, 14, 30], Operations: ['36-6=30'] Exploring Operation: 9+14=23, Resulting Numbers: [30, 23] Generated Node #0,2,0: 27:[30, 23] Operation: 9+14=23 Exploring Operation: 14-9=5, Resulting Numbers: [30, 5] Generated Node #0,2,1: 27:[30, 5] Operation: 14-9=5 Exploring Operation: 30-14=16, Resulting Numbers: [9, 16] Generated Node #0,2,2: 27:[9, 16] Operation: 30-14=16 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[30, 5], Operations: ['36-6=30', '14-9=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[30, 23], Operations: ['36-6=30', '9+14=23'] Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,27 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[9, 16], Operations: ['36-6=30', '30-14=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,27 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 68, 62, 55, 14 ]
89
[ "68+62=130", "55-14=41", "130-41=89" ]
Current State: 89:[68, 62, 55, 14], Operations: [] Exploring Operation: 68+62=130, Resulting Numbers: [55, 14, 130] Generated Node #2: [55, 14, 130] from Operation: 68+62=130 Current State: 89:[55, 14, 130], Operations: ['68+62=130'] Exploring Operation: 55-14=41, Resulting Numbers: [130, 41] Generated Node #3: [130, 41] from Operation: 55-14=41 Current State: 89:[130, 41], Operations: ['68+62=130', '55-14=41'] Exploring Operation: 130-41=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[68, 62, 55, 14], Operations: [] Exploring Operation: 62-14=48, Resulting Numbers: [68, 55, 48] Generated Node #0,0: 89:[68, 55, 48] Operation: 62-14=48 Exploring Operation: 68-14=54, Resulting Numbers: [62, 55, 54] Generated Node #0,1: 89:[62, 55, 54] Operation: 68-14=54 Exploring Operation: 68+14=82, Resulting Numbers: [62, 55, 82] Generated Node #0,2: 89:[62, 55, 82] Operation: 68+14=82 Exploring Operation: 55+14=69, Resulting Numbers: [68, 62, 69] Generated Node #0,3: 89:[68, 62, 69] Operation: 55+14=69 Exploring Operation: 62+14=76, Resulting Numbers: [68, 55, 76] Generated Node #0,4: 89:[68, 55, 76] Operation: 62+14=76 Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[62, 55, 82], Operations: ['68+14=82'] Exploring Operation: 62+55=117, Resulting Numbers: [82, 117] Generated Node #0,2,0: 89:[82, 117] Operation: 62+55=117 Exploring Operation: 55+82=137, Resulting Numbers: [62, 137] Generated Node #0,2,1: 89:[62, 137] Operation: 55+82=137 Exploring Operation: 82-55=27, Resulting Numbers: [62, 27] Generated Node #0,2,2: 89:[62, 27] Operation: 82-55=27 Exploring Operation: 62-55=7, Resulting Numbers: [82, 7] Generated Node #0,2,3: 89:[82, 7] Operation: 62-55=7 Exploring Operation: 62+82=144, Resulting Numbers: [55, 144] Generated Node #0,2,4: 89:[55, 144] Operation: 62+82=144 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[82, 117], Operations: ['68+14=82', '62+55=117'] Exploring Operation: 117-82=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 82*117=9594, Resulting Numbers: [9594] 9594,89 unequal: No Solution Exploring Operation: 82+117=199, Resulting Numbers: [199] 199,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[62, 137], Operations: ['68+14=82', '55+82=137'] Exploring Operation: 62+137=199, Resulting Numbers: [199] 199,89 unequal: No Solution Exploring Operation: 137-62=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 62*137=8494, Resulting Numbers: [8494] 8494,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[62, 27], Operations: ['68+14=82', '82-55=27'] Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,89 unequal: No Solution Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[68, 62, 55, 14], Operations: [] Exploring Operation: 68+14=82, Resulting Numbers: [62, 55, 82] Generated Node #0,2: 89:[62, 55, 82] Operation: 68+14=82 Moving to Node #0,2 Current State: 89:[62, 55, 82], Operations: ['68+14=82'] Exploring Operation: 82-55=27, Resulting Numbers: [62, 27] Generated Node #0,2,2: 89:[62, 27] Operation: 82-55=27 Moving to Node #0,2,2 Current State: 89:[62, 27], Operations: ['68+14=82', '82-55=27'] Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 15, 67, 78, 9 ]
74
[ "78-15=63", "63/9=7", "67+7=74" ]
Current State: 74:[15, 67, 78, 9], Operations: [] Exploring Operation: 78-15=63, Resulting Numbers: [67, 9, 63] Generated Node #2: [67, 9, 63] from Operation: 78-15=63 Current State: 74:[67, 9, 63], Operations: ['78-15=63'] Exploring Operation: 63/9=7, Resulting Numbers: [67, 7] Generated Node #3: [67, 7] from Operation: 63/9=7 Current State: 74:[67, 7], Operations: ['78-15=63', '63/9=7'] Exploring Operation: 67+7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[15, 67, 78, 9], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [67, 78, 6] Generated Node #0,0: 74:[67, 78, 6] Operation: 15-9=6 Moving to Node #0,0 Current State: 74:[67, 78, 6], Operations: ['15-9=6'] Exploring Operation: 67+6=73, Resulting Numbers: [78, 73] Generated Node #0,0,0: 74:[78, 73] Operation: 67+6=73 Moving to Node #0,0,0 Current State: 74:[78, 73], Operations: ['15-9=6', '67+6=73'] Exploring Operation: 78-73=5, Resulting Numbers: [5] 5,74 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 81, 22, 99, 55 ]
23
[ "81*55=4455", "4455/99=45", "45-22=23" ]
Current State: 23:[81, 22, 99, 55], Operations: [] Exploring Operation: 81*55=4455, Resulting Numbers: [22, 99, 4455] Generated Node #2: [22, 99, 4455] from Operation: 81*55=4455 Current State: 23:[22, 99, 4455], Operations: ['81*55=4455'] Exploring Operation: 4455/99=45, Resulting Numbers: [22, 45] Generated Node #3: [22, 45] from Operation: 4455/99=45 Current State: 23:[22, 45], Operations: ['81*55=4455', '4455/99=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[81, 22, 99, 55], Operations: [] Exploring Operation: 81-55=26, Resulting Numbers: [22, 99, 26] Generated Node #0,0: 23:[22, 99, 26] Operation: 81-55=26 Exploring Operation: 99-81=18, Resulting Numbers: [22, 55, 18] Generated Node #0,1: 23:[22, 55, 18] Operation: 99-81=18 Exploring Operation: 99-22=77, Resulting Numbers: [81, 55, 77] Generated Node #0,2: 23:[81, 55, 77] Operation: 99-22=77 Exploring Operation: 81-22=59, Resulting Numbers: [99, 55, 59] Generated Node #0,3: 23:[99, 55, 59] Operation: 81-22=59 Exploring Operation: 99-55=44, Resulting Numbers: [81, 22, 44] Generated Node #0,4: 23:[81, 22, 44] Operation: 99-55=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[22, 55, 18], Operations: ['99-81=18'] Exploring Operation: 55-22=33, Resulting Numbers: [18, 33] Generated Node #0,1,0: 23:[18, 33] Operation: 55-22=33 Exploring Operation: 22+18=40, Resulting Numbers: [55, 40] Generated Node #0,1,1: 23:[55, 40] Operation: 22+18=40 Exploring Operation: 22-18=4, Resulting Numbers: [55, 4] Generated Node #0,1,2: 23:[55, 4] Operation: 22-18=4 Exploring Operation: 55+18=73, Resulting Numbers: [22, 73] Generated Node #0,1,3: 23:[22, 73] Operation: 55+18=73 Exploring Operation: 55-18=37, Resulting Numbers: [22, 37] Generated Node #0,1,4: 23:[22, 37] Operation: 55-18=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[18, 33], Operations: ['99-81=18', '55-22=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,23 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 23:[22, 37], Operations: ['99-81=18', '55-18=37'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,23 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[55, 40], Operations: ['99-81=18', '22+18=40'] Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,23 unequal: No Solution Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[55, 4], Operations: ['99-81=18', '22-18=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,23 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 23:[22, 73], Operations: ['99-81=18', '55+18=73'] Exploring Operation: 22*73=1606, Resulting Numbers: [1606] 1606,23 unequal: No Solution Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 22+73=95, Resulting Numbers: [95] 95,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[22, 99, 26], Operations: ['81-55=26'] Exploring Operation: 22+99=121, Resulting Numbers: [26, 121] Generated Node #0,0,0: 23:[26, 121] Operation: 22+99=121 Exploring Operation: 26-22=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 23:[99, 4] Operation: 26-22=4 Exploring Operation: 22+26=48, Resulting Numbers: [99, 48] Generated Node #0,0,2: 23:[99, 48] Operation: 22+26=48 Exploring Operation: 99-26=73, Resulting Numbers: [22, 73] Generated Node #0,0,3: 23:[22, 73] Operation: 99-26=73 Exploring Operation: 99-22=77, Resulting Numbers: [26, 77] Generated Node #0,0,4: 23:[26, 77] Operation: 99-22=77 Moving to Node #0,0,3 Current State: 23:[22, 73], Operations: ['81-55=26', '99-26=73'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 22+73=95, Resulting Numbers: [95] 95,23 unequal: No Solution Exploring Operation: 22*73=1606, Resulting Numbers: [1606] 1606,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[26, 77], Operations: ['81-55=26', '99-22=77'] Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 26*77=2002, Resulting Numbers: [2002] 2002,23 unequal: No Solution Exploring Operation: 26+77=103, Resulting Numbers: [103] 103,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[99, 4], Operations: ['81-55=26', '26-22=4'] Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,23 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,23 unequal: No Solution Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[26, 121], Operations: ['81-55=26', '22+99=121'] Exploring Operation: 26*121=3146, Resulting Numbers: [3146] 3146,23 unequal: No Solution Exploring Operation: 26+121=147, Resulting Numbers: [147] 147,23 unequal: No Solution Exploring Operation: 121-26=95, Resulting Numbers: [95] 95,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[99, 48], Operations: ['81-55=26', '22+26=48'] Exploring Operation: 99*48=4752, Resulting Numbers: [4752] 4752,23 unequal: No Solution Exploring Operation: 99+48=147, Resulting Numbers: [147] 147,23 unequal: No Solution Exploring Operation: 99-48=51, Resulting Numbers: [51] 51,23 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 #0,4 Current State: 23:[81, 22, 44], Operations: ['99-55=44'] Exploring Operation: 81+22=103, Resulting Numbers: [44, 103] Generated Node #0,4,0: 23:[44, 103] Operation: 81+22=103 Exploring Operation: 44/22=2, Resulting Numbers: [81, 2] Generated Node #0,4,1: 23:[81, 2] Operation: 44/22=2 Exploring Operation: 81-22=59, Resulting Numbers: [44, 59] Generated Node #0,4,2: 23:[44, 59] Operation: 81-22=59 Exploring Operation: 44-22=22, Resulting Numbers: [81, 22] Generated Node #0,4,3: 23:[81, 22] Operation: 44-22=22 Exploring Operation: 81-44=37, Resulting Numbers: [22, 37] Generated Node #0,4,4: 23:[22, 37] Operation: 81-44=37 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 23:[22, 37], Operations: ['99-55=44', '81-44=37'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,23 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 23:[44, 59], Operations: ['99-55=44', '81-22=59'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 44+59=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 44*59=2596, Resulting Numbers: [2596] 2596,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 23:[81, 22], Operations: ['99-55=44', '44-22=22'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 81+22=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 81*22=1782, Resulting Numbers: [1782] 1782,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 23:[81, 2], Operations: ['99-55=44', '44/22=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,23 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 23:[44, 103], Operations: ['99-55=44', '81+22=103'] Exploring Operation: 44+103=147, Resulting Numbers: [147] 147,23 unequal: No Solution Exploring Operation: 103-44=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 44*103=4532, Resulting Numbers: [4532] 4532,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[81, 55, 77], Operations: ['99-22=77'] Exploring Operation: 81-55=26, Resulting Numbers: [77, 26] Generated Node #0,2,0: 23:[77, 26] Operation: 81-55=26 Exploring Operation: 81+55=136, Resulting Numbers: [77, 136] Generated Node #0,2,1: 23:[77, 136] Operation: 81+55=136 Exploring Operation: 77-55=22, Resulting Numbers: [81, 22] Generated Node #0,2,2: 23:[81, 22] Operation: 77-55=22 Exploring Operation: 81+77=158, Resulting Numbers: [55, 158] Generated Node #0,2,3: 23:[55, 158] Operation: 81+77=158 Exploring Operation: 81-77=4, Resulting Numbers: [55, 4] Generated Node #0,2,4: 23:[55, 4] Operation: 81-77=4 Moving to Node #0,2,4 Current State: 23:[55, 4], Operations: ['99-22=77', '81-77=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,23 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[77, 26], Operations: ['99-22=77', '81-55=26'] Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,23 unequal: No Solution Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[81, 22], Operations: ['99-22=77', '77-55=22'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 81*22=1782, Resulting Numbers: [1782] 1782,23 unequal: No Solution Exploring Operation: 81+22=103, Resulting Numbers: [103] 103,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[77, 136], Operations: ['99-22=77', '81+55=136'] Exploring Operation: 77*136=10472, Resulting Numbers: [10472] 10472,23 unequal: No Solution Exploring Operation: 136-77=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 77+136=213, Resulting Numbers: [213] 213,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[55, 158], Operations: ['99-22=77', '81+77=158'] Exploring Operation: 55+158=213, Resulting Numbers: [213] 213,23 unequal: No Solution Exploring Operation: 158-55=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 55*158=8690, Resulting Numbers: [8690] 8690,23 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 #0,3 Current State: 23:[99, 55, 59], Operations: ['81-22=59'] Exploring Operation: 99-55=44, Resulting Numbers: [59, 44] Generated Node #0,3,0: 23:[59, 44] Operation: 99-55=44 Exploring Operation: 99+55=154, Resulting Numbers: [59, 154] Generated Node #0,3,1: 23:[59, 154] Operation: 99+55=154 Exploring Operation: 99-59=40, Resulting Numbers: [55, 40] Generated Node #0,3,2: 23:[55, 40] Operation: 99-59=40 Exploring Operation: 99+59=158, Resulting Numbers: [55, 158] Generated Node #0,3,3: 23:[55, 158] Operation: 99+59=158 Exploring Operation: 59-55=4, Resulting Numbers: [99, 4] Generated Node #0,3,4: 23:[99, 4] Operation: 59-55=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[55, 40], Operations: ['81-22=59', '99-59=40'] Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,23 unequal: No Solution Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,23 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[59, 44], Operations: ['81-22=59', '99-55=44'] Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,23 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 23:[99, 4], Operations: ['81-22=59', '59-55=4'] Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,23 unequal: No Solution Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[59, 154], Operations: ['81-22=59', '99+55=154'] Exploring Operation: 59+154=213, Resulting Numbers: [213] 213,23 unequal: No Solution Exploring Operation: 59*154=9086, Resulting Numbers: [9086] 9086,23 unequal: No Solution Exploring Operation: 154-59=95, Resulting Numbers: [95] 95,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[55, 158], Operations: ['81-22=59', '99+59=158'] Exploring Operation: 158-55=103, Resulting Numbers: [103] 103,23 unequal: No Solution Exploring Operation: 55+158=213, Resulting Numbers: [213] 213,23 unequal: No Solution Exploring Operation: 55*158=8690, Resulting Numbers: [8690] 8690,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 26, 40, 22, 7 ]
60
[ "26+7=33", "40*33=1320", "1320/22=60" ]
Current State: 60:[26, 40, 22, 7], Operations: [] Exploring Operation: 26+7=33, Resulting Numbers: [40, 22, 33] Generated Node #2: [40, 22, 33] from Operation: 26+7=33 Current State: 60:[40, 22, 33], Operations: ['26+7=33'] Exploring Operation: 40*33=1320, Resulting Numbers: [22, 1320] Generated Node #3: [22, 1320] from Operation: 40*33=1320 Current State: 60:[22, 1320], Operations: ['26+7=33', '40*33=1320'] Exploring Operation: 1320/22=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[26, 40, 22, 7], Operations: [] Exploring Operation: 40+22=62, Resulting Numbers: [26, 7, 62] Generated Node #0,0: 60:[26, 7, 62] Operation: 40+22=62 Exploring Operation: 40-22=18, Resulting Numbers: [26, 7, 18] Generated Node #0,1: 60:[26, 7, 18] Operation: 40-22=18 Exploring Operation: 40-26=14, Resulting Numbers: [22, 7, 14] Generated Node #0,2: 60:[22, 7, 14] Operation: 40-26=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[22, 7, 14], Operations: ['40-26=14'] Exploring Operation: 14/7=2, Resulting Numbers: [22, 2] Generated Node #0,2,0: 60:[22, 2] Operation: 14/7=2 Exploring Operation: 22+7=29, Resulting Numbers: [14, 29] Generated Node #0,2,1: 60:[14, 29] Operation: 22+7=29 Exploring Operation: 22-7=15, Resulting Numbers: [14, 15] Generated Node #0,2,2: 60:[14, 15] Operation: 22-7=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[14, 15], Operations: ['40-26=14', '22-7=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,60 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 #0,2,0 Current State: 60:[22, 2], Operations: ['40-26=14', '14/7=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,60 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 #0,2,1 Current State: 60:[14, 29], Operations: ['40-26=14', '22+7=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 14*29=406, Resulting Numbers: [406] 406,60 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,60 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 #0,0 Current State: 60:[26, 7, 62], Operations: ['40+22=62'] Exploring Operation: 26+7=33, Resulting Numbers: [62, 33] Generated Node #0,0,0: 60:[62, 33] Operation: 26+7=33 Exploring Operation: 26-7=19, Resulting Numbers: [62, 19] Generated Node #0,0,1: 60:[62, 19] Operation: 26-7=19 Exploring Operation: 62-26=36, Resulting Numbers: [7, 36] Generated Node #0,0,2: 60:[7, 36] Operation: 62-26=36 Moving to Node #0,0,1 Current State: 60:[62, 19], Operations: ['40+22=62', '26-7=19'] Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,60 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,60 unequal: No Solution Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[62, 33], Operations: ['40+22=62', '26+7=33'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,60 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[7, 36], Operations: ['40+22=62', '62-26=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,60 unequal: No Solution Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,60 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[26, 7, 18], Operations: ['40-22=18'] Exploring Operation: 26-18=8, Resulting Numbers: [7, 8] Generated Node #0,1,0: 60:[7, 8] Operation: 26-18=8 Exploring Operation: 26-7=19, Resulting Numbers: [18, 19] Generated Node #0,1,1: 60:[18, 19] Operation: 26-7=19 Exploring Operation: 26+7=33, Resulting Numbers: [18, 33] Generated Node #0,1,2: 60:[18, 33] Operation: 26+7=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[7, 8], Operations: ['40-22=18', '26-18=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,60 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,60 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 #0,1,1 Current State: 60:[18, 19], Operations: ['40-22=18', '26-7=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,60 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 #0,1,2 Current State: 60:[18, 33], Operations: ['40-22=18', '26+7=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,60 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,60 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_3
mult_heuristic
[ 31, 23, 9, 10 ]
53
[ "31+23=54", "10-9=1", "54-1=53" ]
Current State: 53:[31, 23, 9, 10], Operations: [] Exploring Operation: 31+23=54, Resulting Numbers: [9, 10, 54] Generated Node #2: [9, 10, 54] from Operation: 31+23=54 Current State: 53:[9, 10, 54], Operations: ['31+23=54'] Exploring Operation: 10-9=1, Resulting Numbers: [54, 1] Generated Node #3: [54, 1] from Operation: 10-9=1 Current State: 53:[54, 1], Operations: ['31+23=54', '10-9=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[31, 23, 9, 10], Operations: [] Exploring Operation: 31+10=41, Resulting Numbers: [23, 9, 41] Generated Node #0,0: 53:[23, 9, 41] Operation: 31+10=41 Exploring Operation: 31+9=40, Resulting Numbers: [23, 10, 40] Generated Node #0,1: 53:[23, 10, 40] Operation: 31+9=40 Exploring Operation: 23+9=32, Resulting Numbers: [31, 10, 32] Generated Node #0,2: 53:[31, 10, 32] Operation: 23+9=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[23, 9, 41], Operations: ['31+10=41'] Exploring Operation: 23+9=32, Resulting Numbers: [41, 32] Generated Node #0,0,0: 53:[41, 32] Operation: 23+9=32 Exploring Operation: 23-9=14, Resulting Numbers: [41, 14] Generated Node #0,0,1: 53:[41, 14] Operation: 23-9=14 Exploring Operation: 9+41=50, Resulting Numbers: [23, 50] Generated Node #0,0,2: 53:[23, 50] Operation: 9+41=50 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[41, 32], Operations: ['31+10=41', '23+9=32'] Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,53 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,53 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,53 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 #0,0,2 Current State: 53:[23, 50], Operations: ['31+10=41', '9+41=50'] Exploring Operation: 23*50=1150, Resulting Numbers: [1150] 1150,53 unequal: No Solution Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,53 unequal: No Solution Exploring Operation: 50-23=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 #0,0,1 Current State: 53:[41, 14], Operations: ['31+10=41', '23-9=14'] Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,53 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,53 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 #0,1 Current State: 53:[23, 10, 40], Operations: ['31+9=40'] Exploring Operation: 23+10=33, Resulting Numbers: [40, 33] Generated Node #0,1,0: 53:[40, 33] Operation: 23+10=33 Exploring Operation: 10+40=50, Resulting Numbers: [23, 50] Generated Node #0,1,1: 53:[23, 50] Operation: 10+40=50 Exploring Operation: 23-10=13, Resulting Numbers: [40, 13] Generated Node #0,1,2: 53:[40, 13] Operation: 23-10=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[40, 33], Operations: ['31+9=40', '23+10=33'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,53 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,53 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 #0,1,1 Current State: 53:[23, 50], Operations: ['31+9=40', '10+40=50'] Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 23*50=1150, Resulting Numbers: [1150] 1150,53 unequal: No Solution Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,53 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 #0,1,2 Current State: 53:[40, 13], Operations: ['31+9=40', '23-10=13'] Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,53 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[31, 23, 9, 10], Operations: [] Exploring Operation: 31+9=40, Resulting Numbers: [23, 10, 40] Generated Node #0,1: 53:[23, 10, 40] Operation: 31+9=40 Moving to Node #0,1 Current State: 53:[23, 10, 40], Operations: ['31+9=40'] Exploring Operation: 23-10=13, Resulting Numbers: [40, 13] Generated Node #0,1,2: 53:[40, 13] Operation: 23-10=13 Moving to Node #0,1,2 Current State: 53:[40, 13], Operations: ['31+9=40', '23-10=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 19, 2, 98, 15 ]
25
[ "19-15=4", "2+98=100", "100/4=25" ]
Current State: 25:[19, 2, 98, 15], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [2, 98, 4] Generated Node #2: [2, 98, 4] from Operation: 19-15=4 Current State: 25:[2, 98, 4], Operations: ['19-15=4'] Exploring Operation: 2+98=100, Resulting Numbers: [4, 100] Generated Node #3: [4, 100] from Operation: 2+98=100 Current State: 25:[4, 100], Operations: ['19-15=4', '2+98=100'] Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[19, 2, 98, 15], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [19, 2, 83] Generated Node #0,0: 25:[19, 2, 83] Operation: 98-15=83 Exploring Operation: 19-15=4, Resulting Numbers: [2, 98, 4] Generated Node #0,1: 25:[2, 98, 4] Operation: 19-15=4 Exploring Operation: 98-19=79, Resulting Numbers: [2, 15, 79] Generated Node #0,2: 25:[2, 15, 79] Operation: 98-19=79 Exploring Operation: 2*15=30, Resulting Numbers: [19, 98, 30] Generated Node #0,3: 25:[19, 98, 30] Operation: 2*15=30 Exploring Operation: 98/2=49, Resulting Numbers: [19, 15, 49] Generated Node #0,4: 25:[19, 15, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[19, 15, 49], Operations: ['98/2=49'] Exploring Operation: 19+15=34, Resulting Numbers: [49, 34] Generated Node #0,4,0: 25:[49, 34] Operation: 19+15=34 Exploring Operation: 15+49=64, Resulting Numbers: [19, 64] Generated Node #0,4,1: 25:[19, 64] Operation: 15+49=64 Exploring Operation: 49-19=30, Resulting Numbers: [15, 30] Generated Node #0,4,2: 25:[15, 30] Operation: 49-19=30 Exploring Operation: 19-15=4, Resulting Numbers: [49, 4] Generated Node #0,4,3: 25:[49, 4] Operation: 19-15=4 Exploring Operation: 49-15=34, Resulting Numbers: [19, 34] Generated Node #0,4,4: 25:[19, 34] Operation: 49-15=34 Moving to Node #0,4,2 Current State: 25:[15, 30], Operations: ['98/2=49', '49-19=30'] Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 15*30=450, Resulting Numbers: [450] 450,25 unequal: No Solution Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[19, 34], Operations: ['98/2=49', '49-15=34'] Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,25 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[49, 4], Operations: ['98/2=49', '19-15=4'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[49, 34], Operations: ['98/2=49', '19+15=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,25 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,25 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[19, 64], Operations: ['98/2=49', '15+49=64'] Exploring Operation: 19*64=1216, Resulting Numbers: [1216] 1216,25 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[19, 2, 83], Operations: ['98-15=83'] Exploring Operation: 83-19=64, Resulting Numbers: [2, 64] Generated Node #0,0,0: 25:[2, 64] Operation: 83-19=64 Exploring Operation: 19+2=21, Resulting Numbers: [83, 21] Generated Node #0,0,1: 25:[83, 21] Operation: 19+2=21 Exploring Operation: 19-2=17, Resulting Numbers: [83, 17] Generated Node #0,0,2: 25:[83, 17] Operation: 19-2=17 Exploring Operation: 2+83=85, Resulting Numbers: [19, 85] Generated Node #0,0,3: 25:[19, 85] Operation: 2+83=85 Exploring Operation: 83-2=81, Resulting Numbers: [19, 81] Generated Node #0,0,4: 25:[19, 81] Operation: 83-2=81 Moving to Node #0,0,0 Current State: 25:[2, 64], Operations: ['98-15=83', '83-19=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[19, 81], Operations: ['98-15=83', '83-2=81'] Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,25 unequal: No Solution Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,25 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[83, 21], Operations: ['98-15=83', '19+2=21'] Exploring Operation: 83*21=1743, Resulting Numbers: [1743] 1743,25 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 83+21=104, Resulting Numbers: [104] 104,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[83, 17], Operations: ['98-15=83', '19-2=17'] Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,25 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[19, 85], Operations: ['98-15=83', '2+83=85'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 19+85=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 19*85=1615, Resulting Numbers: [1615] 1615,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[2, 15, 79], Operations: ['98-19=79'] Exploring Operation: 79-2=77, Resulting Numbers: [15, 77] Generated Node #0,2,0: 25:[15, 77] Operation: 79-2=77 Exploring Operation: 2+15=17, Resulting Numbers: [79, 17] Generated Node #0,2,1: 25:[79, 17] Operation: 2+15=17 Exploring Operation: 15-2=13, Resulting Numbers: [79, 13] Generated Node #0,2,2: 25:[79, 13] Operation: 15-2=13 Exploring Operation: 2*15=30, Resulting Numbers: [79, 30] Generated Node #0,2,3: 25:[79, 30] Operation: 2*15=30 Exploring Operation: 79-15=64, Resulting Numbers: [2, 64] Generated Node #0,2,4: 25:[2, 64] Operation: 79-15=64 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 25:[2, 64], Operations: ['98-19=79', '79-15=64'] Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,25 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,25 unequal: No Solution No 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: 25:[79, 30], Operations: ['98-19=79', '2*15=30'] Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,25 unequal: No Solution Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,25 unequal: No Solution No 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: 25:[15, 77], Operations: ['98-19=79', '79-2=77'] Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 15*77=1155, Resulting Numbers: [1155] 1155,25 unequal: No Solution Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,25 unequal: No Solution No 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: 25:[79, 17], Operations: ['98-19=79', '2+15=17'] Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,25 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,25 unequal: No Solution No 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: 25:[79, 13], Operations: ['98-19=79', '15-2=13'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,25 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,25 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: 25:[2, 98, 4], Operations: ['19-15=4'] Exploring Operation: 98-4=94, Resulting Numbers: [2, 94] Generated Node #0,1,0: 25:[2, 94] Operation: 98-4=94 Exploring Operation: 98/2=49, Resulting Numbers: [4, 49] Generated Node #0,1,1: 25:[4, 49] Operation: 98/2=49 Exploring Operation: 98-2=96, Resulting Numbers: [4, 96] Generated Node #0,1,2: 25:[4, 96] Operation: 98-2=96 Exploring Operation: 2+4=6, Resulting Numbers: [98, 6] Generated Node #0,1,3: 25:[98, 6] Operation: 2+4=6 Exploring Operation: 2+98=100, Resulting Numbers: [4, 100] Generated Node #0,1,4: 25:[4, 100] Operation: 2+98=100 Moving to Node #0,1,1 Current State: 25:[4, 49], Operations: ['19-15=4', '98/2=49'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[4, 96], Operations: ['19-15=4', '98-2=96'] Exploring Operation: 4+96=100, Resulting Numbers: [100] 100,25 unequal: No Solution Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 4*96=384, Resulting Numbers: [384] 384,25 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[2, 94], Operations: ['19-15=4', '98-4=94'] Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,25 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,25 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 2*94=188, Resulting Numbers: [188] 188,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[98, 6], Operations: ['19-15=4', '2+4=6'] Exploring Operation: 98*6=588, Resulting Numbers: [588] 588,25 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,25 unequal: No Solution Exploring Operation: 98+6=104, Resulting Numbers: [104] 104,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[4, 100], Operations: ['19-15=4', '2+98=100'] Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[19, 2, 98, 15], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [2, 98, 4] Generated Node #0,1: 25:[2, 98, 4] Operation: 19-15=4 Moving to Node #0,1 Current State: 25:[2, 98, 4], Operations: ['19-15=4'] Exploring Operation: 2+98=100, Resulting Numbers: [4, 100] Generated Node #0,1,4: 25:[4, 100] Operation: 2+98=100 Moving to Node #0,1,4 Current State: 25:[4, 100], Operations: ['19-15=4', '2+98=100'] Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.920139
hs_5
sum_heuristic
[ 82, 73, 78, 34 ]
53
[ "82-73=9", "78-34=44", "9+44=53" ]
Current State: 53:[82, 73, 78, 34], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [78, 34, 9] Generated Node #2: [78, 34, 9] from Operation: 82-73=9 Current State: 53:[78, 34, 9], Operations: ['82-73=9'] Exploring Operation: 78-34=44, Resulting Numbers: [9, 44] Generated Node #3: [9, 44] from Operation: 78-34=44 Current State: 53:[9, 44], Operations: ['82-73=9', '78-34=44'] Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[82, 73, 78, 34], Operations: [] Exploring Operation: 73-34=39, Resulting Numbers: [82, 78, 39] Generated Node #0,0: 53:[82, 78, 39] Operation: 73-34=39 Exploring Operation: 82-34=48, Resulting Numbers: [73, 78, 48] Generated Node #0,1: 53:[73, 78, 48] Operation: 82-34=48 Exploring Operation: 78-34=44, Resulting Numbers: [82, 73, 44] Generated Node #0,2: 53:[82, 73, 44] Operation: 78-34=44 Moving to Node #0,1 Current State: 53:[73, 78, 48], Operations: ['82-34=48'] Exploring Operation: 78-73=5, Resulting Numbers: [48, 5] Generated Node #0,1,0: 53:[48, 5] Operation: 78-73=5 Exploring Operation: 73-48=25, Resulting Numbers: [78, 25] Generated Node #0,1,1: 53:[78, 25] Operation: 73-48=25 Exploring Operation: 78-48=30, Resulting Numbers: [73, 30] Generated Node #0,1,2: 53:[73, 30] Operation: 78-48=30 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[73, 30], Operations: ['82-34=48', '78-48=30'] Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,53 unequal: No Solution Exploring Operation: 73+30=103, Resulting Numbers: [103] 103,53 unequal: No Solution Exploring Operation: 73*30=2190, Resulting Numbers: [2190] 2190,53 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 #0,1,0 Current State: 53:[48, 5], Operations: ['82-34=48', '78-73=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,53 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[82, 73, 78, 34], Operations: [] Exploring Operation: 82-34=48, Resulting Numbers: [73, 78, 48] Generated Node #0,1: 53:[73, 78, 48] Operation: 82-34=48 Moving to Node #0,1 Current State: 53:[73, 78, 48], Operations: ['82-34=48'] Exploring Operation: 78-73=5, Resulting Numbers: [48, 5] Generated Node #0,1,0: 53:[48, 5] Operation: 78-73=5 Moving to Node #0,1,0 Current State: 53:[48, 5], Operations: ['82-34=48', '78-73=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 52, 42, 55, 3 ]
11
[ "55-52=3", "42/3=14", "14-3=11" ]
Current State: 11:[52, 42, 55, 3], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [42, 3, 3] Generated Node #2: [42, 3, 3] from Operation: 55-52=3 Current State: 11:[42, 3, 3], Operations: ['55-52=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,11 equal: Goal Reached Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[52, 42, 55, 3], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [42, 3, 3] Generated Node #0,0: 11:[42, 3, 3] Operation: 55-52=3 Exploring Operation: 55-42=13, Resulting Numbers: [52, 3, 13] Generated Node #0,1: 11:[52, 3, 13] Operation: 55-42=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[42, 3, 3], Operations: ['55-52=3'] Exploring Operation: 42/3=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 11:[3, 14] Operation: 42/3=14 Exploring Operation: 42/3=14, Resulting Numbers: [3, 14] Generated Node #0,0,1: 11:[3, 14] Operation: 42/3=14 Moving to Node #0,0,0 Current State: 11:[3, 14], Operations: ['55-52=3', '42/3=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[52, 42, 55, 3], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [42, 3, 3] Generated Node #0,0: 11:[42, 3, 3] Operation: 55-52=3 Moving to Node #0,0 Current State: 11:[42, 3, 3], Operations: ['55-52=3'] Exploring Operation: 42/3=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 11:[3, 14] Operation: 42/3=14 Moving to Node #0,0,0 Current State: 11:[3, 14], Operations: ['55-52=3', '42/3=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 22, 44, 6, 34 ]
74
[ "44/22=2", "34*2=68", "6+68=74" ]
Current State: 74:[22, 44, 6, 34], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [6, 34, 2] Generated Node #2: [6, 34, 2] from Operation: 44/22=2 Current State: 74:[6, 34, 2], Operations: ['44/22=2'] Exploring Operation: 34*2=68, Resulting Numbers: [6, 68] Generated Node #3: [6, 68] from Operation: 34*2=68 Current State: 74:[6, 68], Operations: ['44/22=2', '34*2=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[22, 44, 6, 34], Operations: [] Exploring Operation: 22+44=66, Resulting Numbers: [6, 34, 66] Generated Node #0,0: 74:[6, 34, 66] Operation: 22+44=66 Exploring Operation: 44-6=38, Resulting Numbers: [22, 34, 38] Generated Node #0,1: 74:[22, 34, 38] Operation: 44-6=38 Exploring Operation: 22+6=28, Resulting Numbers: [44, 34, 28] Generated Node #0,2: 74:[44, 34, 28] Operation: 22+6=28 Exploring Operation: 34-22=12, Resulting Numbers: [44, 6, 12] Generated Node #0,3: 74:[44, 6, 12] Operation: 34-22=12 Exploring Operation: 44/22=2, Resulting Numbers: [6, 34, 2] Generated Node #0,4: 74:[6, 34, 2] Operation: 44/22=2 Moving to Node #0,4 Current State: 74:[6, 34, 2], Operations: ['44/22=2'] Exploring Operation: 34-6=28, Resulting Numbers: [2, 28] Generated Node #0,4,0: 74:[2, 28] Operation: 34-6=28 Exploring Operation: 6+34=40, Resulting Numbers: [2, 40] Generated Node #0,4,1: 74:[2, 40] Operation: 6+34=40 Exploring Operation: 6/2=3, Resulting Numbers: [34, 3] Generated Node #0,4,2: 74:[34, 3] Operation: 6/2=3 Exploring Operation: 6-2=4, Resulting Numbers: [34, 4] Generated Node #0,4,3: 74:[34, 4] Operation: 6-2=4 Exploring Operation: 34+2=36, Resulting Numbers: [6, 36] Generated Node #0,4,4: 74:[6, 36] Operation: 34+2=36 Moving to Node #0,0 Current State: 74:[6, 34, 66], Operations: ['22+44=66'] Exploring Operation: 6+66=72, Resulting Numbers: [34, 72] Generated Node #0,0,0: 74:[34, 72] Operation: 6+66=72 Exploring Operation: 6+34=40, Resulting Numbers: [66, 40] Generated Node #0,0,1: 74:[66, 40] Operation: 6+34=40 Exploring Operation: 66-34=32, Resulting Numbers: [6, 32] Generated Node #0,0,2: 74:[6, 32] Operation: 66-34=32 Exploring Operation: 66/6=11, Resulting Numbers: [34, 11] Generated Node #0,0,3: 74:[34, 11] Operation: 66/6=11 Exploring Operation: 34-6=28, Resulting Numbers: [66, 28] Generated Node #0,0,4: 74:[66, 28] Operation: 34-6=28 Moving to Node #0,1 Current State: 74:[22, 34, 38], Operations: ['44-6=38'] Exploring Operation: 34+38=72, Resulting Numbers: [22, 72] Generated Node #0,1,0: 74:[22, 72] Operation: 34+38=72 Exploring Operation: 38-22=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 74:[34, 16] Operation: 38-22=16 Exploring Operation: 22+38=60, Resulting Numbers: [34, 60] Generated Node #0,1,2: 74:[34, 60] Operation: 22+38=60 Exploring Operation: 38-34=4, Resulting Numbers: [22, 4] Generated Node #0,1,3: 74:[22, 4] Operation: 38-34=4 Exploring Operation: 34-22=12, Resulting Numbers: [38, 12] Generated Node #0,1,4: 74:[38, 12] Operation: 34-22=12 Moving to Node #0,2 Current State: 74:[44, 34, 28], Operations: ['22+6=28'] Exploring Operation: 44-34=10, Resulting Numbers: [28, 10] Generated Node #0,2,0: 74:[28, 10] Operation: 44-34=10 Exploring Operation: 34-28=6, Resulting Numbers: [44, 6] Generated Node #0,2,1: 74:[44, 6] Operation: 34-28=6 Exploring Operation: 44+28=72, Resulting Numbers: [34, 72] Generated Node #0,2,2: 74:[34, 72] Operation: 44+28=72 Exploring Operation: 44+34=78, Resulting Numbers: [28, 78] Generated Node #0,2,3: 74:[28, 78] Operation: 44+34=78 Exploring Operation: 44-28=16, Resulting Numbers: [34, 16] Generated Node #0,2,4: 74:[34, 16] Operation: 44-28=16 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[34, 72], Operations: ['22+6=28', '44+28=72'] Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,74 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,74 unequal: No Solution No 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: 74:[44, 6], Operations: ['22+6=28', '34-28=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,74 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,74 unequal: No Solution No 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: 74:[28, 78], Operations: ['22+6=28', '44+34=78'] Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,74 unequal: No Solution No 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: 74:[28, 10], Operations: ['22+6=28', '44-34=10'] Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,74 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,74 unequal: No Solution No 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: 74:[34, 16], Operations: ['22+6=28', '44-28=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,74 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,74 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: 74:[44, 6, 12], Operations: ['34-22=12'] Exploring Operation: 12-6=6, Resulting Numbers: [44, 6] Generated Node #0,3,0: 74:[44, 6] Operation: 12-6=6 Exploring Operation: 44-12=32, Resulting Numbers: [6, 32] Generated Node #0,3,1: 74:[6, 32] Operation: 44-12=32 Exploring Operation: 44-6=38, Resulting Numbers: [12, 38] Generated Node #0,3,2: 74:[12, 38] Operation: 44-6=38 Exploring Operation: 6*12=72, Resulting Numbers: [44, 72] Generated Node #0,3,3: 74:[44, 72] Operation: 6*12=72 Exploring Operation: 12/6=2, Resulting Numbers: [44, 2] Generated Node #0,3,4: 74:[44, 2] Operation: 12/6=2 Moving to Node #0,4,1 Current State: 74:[2, 40], Operations: ['44/22=2', '6+34=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[34, 3], Operations: ['44/22=2', '6/2=3'] Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[34, 4], Operations: ['44/22=2', '6-2=4'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[34, 72], Operations: ['22+44=66', '6+66=72'] Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,74 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[6, 36], Operations: ['44/22=2', '34+2=36'] Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 6*36=216, Resulting Numbers: [216] 216,74 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[44, 2], Operations: ['34-22=12', '12/6=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,74 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[6, 32], Operations: ['22+44=66', '66-34=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,74 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[2, 28], Operations: ['44/22=2', '34-6=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[44, 72], Operations: ['34-22=12', '6*12=72'] Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[6, 32], Operations: ['34-22=12', '44-12=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,74 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[44, 6], Operations: ['34-22=12', '12-6=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,74 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,74 unequal: No Solution Moving to Node #0,1,4 Current State: 74:[38, 12], Operations: ['44-6=38', '34-22=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[66, 40], Operations: ['22+44=66', '6+34=40'] Exploring Operation: 66+40=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 66*40=2640, Resulting Numbers: [2640] 2640,74 unequal: No Solution Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[12, 38], Operations: ['34-22=12', '44-6=38'] Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,74 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[34, 11], Operations: ['22+44=66', '66/6=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[34, 16], Operations: ['44-6=38', '38-22=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,74 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[22, 72], Operations: ['44-6=38', '34+38=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,74 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[34, 60], Operations: ['44-6=38', '22+38=60'] Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,74 unequal: No Solution Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,74 unequal: No Solution Moving to Node #0,1,3 Current State: 74:[22, 4], Operations: ['44-6=38', '38-34=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,74 unequal: No Solution Moving to Node #0,0,4 Current State: 74:[66, 28], Operations: ['22+44=66', '34-6=28'] Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,74 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,74 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 14, 81, 21, 4 ]
29
[ "14+81=95", "21+95=116", "116/4=29" ]
Current State: 29:[14, 81, 21, 4], Operations: [] Exploring Operation: 14+81=95, Resulting Numbers: [21, 4, 95] Generated Node #2: [21, 4, 95] from Operation: 14+81=95 Current State: 29:[21, 4, 95], Operations: ['14+81=95'] Exploring Operation: 21+95=116, Resulting Numbers: [4, 116] Generated Node #3: [4, 116] from Operation: 21+95=116 Current State: 29:[4, 116], Operations: ['14+81=95', '21+95=116'] Exploring Operation: 116/4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[14, 81, 21, 4], Operations: [] Exploring Operation: 81-14=67, Resulting Numbers: [21, 4, 67] Generated Node #0,0: 29:[21, 4, 67] Operation: 81-14=67 Exploring Operation: 14+4=18, Resulting Numbers: [81, 21, 18] Generated Node #0,1: 29:[81, 21, 18] Operation: 14+4=18 Moving to Node #0,0 Current State: 29:[21, 4, 67], Operations: ['81-14=67'] Exploring Operation: 67-21=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 29:[4, 46] Operation: 67-21=46 Exploring Operation: 21+4=25, Resulting Numbers: [67, 25] Generated Node #0,0,1: 29:[67, 25] Operation: 21+4=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[4, 46], Operations: ['81-14=67', '67-21=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[67, 25], Operations: ['81-14=67', '21+4=25'] Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,29 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: 29:[81, 21, 18], Operations: ['14+4=18'] Exploring Operation: 81-21=60, Resulting Numbers: [18, 60] Generated Node #0,1,0: 29:[18, 60] Operation: 81-21=60 Exploring Operation: 81-18=63, Resulting Numbers: [21, 63] Generated Node #0,1,1: 29:[21, 63] Operation: 81-18=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[18, 60], Operations: ['14+4=18', '81-21=60'] Exploring Operation: 18+60=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[21, 63], Operations: ['14+4=18', '81-18=63'] Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,29 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
[ 32, 52, 63, 16 ]
59
[ "52-32=20", "63+16=79", "79-20=59" ]
Current State: 59:[32, 52, 63, 16], Operations: [] Exploring Operation: 52-32=20, Resulting Numbers: [63, 16, 20] Generated Node #2: [63, 16, 20] from Operation: 52-32=20 Current State: 59:[63, 16, 20], Operations: ['52-32=20'] Exploring Operation: 63+16=79, Resulting Numbers: [20, 79] Generated Node #3: [20, 79] from Operation: 63+16=79 Current State: 59:[20, 79], Operations: ['52-32=20', '63+16=79'] Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[32, 52, 63, 16], Operations: [] Exploring Operation: 52+16=68, Resulting Numbers: [32, 63, 68] Generated Node #0,0: 59:[32, 63, 68] Operation: 52+16=68 Exploring Operation: 63-16=47, Resulting Numbers: [32, 52, 47] Generated Node #0,1: 59:[32, 52, 47] Operation: 63-16=47 Exploring Operation: 32+16=48, Resulting Numbers: [52, 63, 48] Generated Node #0,2: 59:[52, 63, 48] Operation: 32+16=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[52, 63, 48], Operations: ['32+16=48'] Exploring Operation: 63-52=11, Resulting Numbers: [48, 11] Generated Node #0,2,0: 59:[48, 11] Operation: 63-52=11 Exploring Operation: 63-48=15, Resulting Numbers: [52, 15] Generated Node #0,2,1: 59:[52, 15] Operation: 63-48=15 Exploring Operation: 52+48=100, Resulting Numbers: [63, 100] Generated Node #0,2,2: 59:[63, 100] Operation: 52+48=100 Moving to Node #0,2,2 Current State: 59:[63, 100], Operations: ['32+16=48', '52+48=100'] Exploring Operation: 63*100=6300, Resulting Numbers: [6300] 6300,59 unequal: No Solution Exploring Operation: 63+100=163, Resulting Numbers: [163] 163,59 unequal: No Solution Exploring Operation: 100-63=37, Resulting Numbers: [37] 37,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[52, 15], Operations: ['32+16=48', '63-48=15'] Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,59 unequal: No Solution Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[48, 11], Operations: ['32+16=48', '63-52=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[32, 52, 63, 16], Operations: [] Exploring Operation: 32+16=48, Resulting Numbers: [52, 63, 48] Generated Node #0,2: 59:[52, 63, 48] Operation: 32+16=48 Moving to Node #0,2 Current State: 59:[52, 63, 48], Operations: ['32+16=48'] Exploring Operation: 63-52=11, Resulting Numbers: [48, 11] Generated Node #0,2,0: 59:[48, 11] Operation: 63-52=11 Moving to Node #0,2,0 Current State: 59:[48, 11], Operations: ['32+16=48', '63-52=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 70, 58, 9, 42 ]
73
[ "70*9=630", "630/42=15", "58+15=73" ]
Current State: 73:[70, 58, 9, 42], Operations: [] Exploring Operation: 70*9=630, Resulting Numbers: [58, 42, 630] Generated Node #2: [58, 42, 630] from Operation: 70*9=630 Current State: 73:[58, 42, 630], Operations: ['70*9=630'] Exploring Operation: 630/42=15, Resulting Numbers: [58, 15] Generated Node #3: [58, 15] from Operation: 630/42=15 Current State: 73:[58, 15], Operations: ['70*9=630', '630/42=15'] Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[70, 58, 9, 42], Operations: [] Exploring Operation: 58+9=67, Resulting Numbers: [70, 42, 67] Generated Node #0,0: 73:[70, 42, 67] Operation: 58+9=67 Exploring Operation: 70+9=79, Resulting Numbers: [58, 42, 79] Generated Node #0,1: 73:[58, 42, 79] Operation: 70+9=79 Exploring Operation: 9+42=51, Resulting Numbers: [70, 58, 51] Generated Node #0,2: 73:[70, 58, 51] Operation: 9+42=51 Exploring Operation: 70-9=61, Resulting Numbers: [58, 42, 61] Generated Node #0,3: 73:[58, 42, 61] Operation: 70-9=61 Moving to Node #0,0 Current State: 73:[70, 42, 67], Operations: ['58+9=67'] Exploring Operation: 67-42=25, Resulting Numbers: [70, 25] Generated Node #0,0,0: 73:[70, 25] Operation: 67-42=25 Exploring Operation: 42+67=109, Resulting Numbers: [70, 109] Generated Node #0,0,1: 73:[70, 109] Operation: 42+67=109 Exploring Operation: 70+42=112, Resulting Numbers: [67, 112] Generated Node #0,0,2: 73:[67, 112] Operation: 70+42=112 Exploring Operation: 70-42=28, Resulting Numbers: [67, 28] Generated Node #0,0,3: 73:[67, 28] Operation: 70-42=28 Moving to Node #0,2 Current State: 73:[70, 58, 51], Operations: ['9+42=51'] Exploring Operation: 70-51=19, Resulting Numbers: [58, 19] Generated Node #0,2,0: 73:[58, 19] Operation: 70-51=19 Exploring Operation: 70+51=121, Resulting Numbers: [58, 121] Generated Node #0,2,1: 73:[58, 121] Operation: 70+51=121 Exploring Operation: 58+51=109, Resulting Numbers: [70, 109] Generated Node #0,2,2: 73:[70, 109] Operation: 58+51=109 Exploring Operation: 58-51=7, Resulting Numbers: [70, 7] Generated Node #0,2,3: 73:[70, 7] Operation: 58-51=7 Moving to Node #0,1 Current State: 73:[58, 42, 79], Operations: ['70+9=79'] Exploring Operation: 58+42=100, Resulting Numbers: [79, 100] Generated Node #0,1,0: 73:[79, 100] Operation: 58+42=100 Exploring Operation: 58-42=16, Resulting Numbers: [79, 16] Generated Node #0,1,1: 73:[79, 16] Operation: 58-42=16 Exploring Operation: 42+79=121, Resulting Numbers: [58, 121] Generated Node #0,1,2: 73:[58, 121] Operation: 42+79=121 Exploring Operation: 79-42=37, Resulting Numbers: [58, 37] Generated Node #0,1,3: 73:[58, 37] Operation: 79-42=37 Moving to Node #0,3 Current State: 73:[58, 42, 61], Operations: ['70-9=61'] Exploring Operation: 58-42=16, Resulting Numbers: [61, 16] Generated Node #0,3,0: 73:[61, 16] Operation: 58-42=16 Exploring Operation: 58+42=100, Resulting Numbers: [61, 100] Generated Node #0,3,1: 73:[61, 100] Operation: 58+42=100 Exploring Operation: 42+61=103, Resulting Numbers: [58, 103] Generated Node #0,3,2: 73:[58, 103] Operation: 42+61=103 Exploring Operation: 61-42=19, Resulting Numbers: [58, 19] Generated Node #0,3,3: 73:[58, 19] Operation: 61-42=19 Moving to Node #0,1,0 Current State: 73:[79, 100], Operations: ['70+9=79', '58+42=100'] Exploring Operation: 79*100=7900, Resulting Numbers: [7900] 7900,73 unequal: No Solution Exploring Operation: 79+100=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 100-79=21, Resulting Numbers: [21] 21,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[61, 100], Operations: ['70-9=61', '58+42=100'] Exploring Operation: 61+100=161, Resulting Numbers: [161] 161,73 unequal: No Solution Exploring Operation: 61*100=6100, Resulting Numbers: [6100] 6100,73 unequal: No Solution Exploring Operation: 100-61=39, Resulting Numbers: [39] 39,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[70, 109], Operations: ['58+9=67', '42+67=109'] Exploring Operation: 70*109=7630, Resulting Numbers: [7630] 7630,73 unequal: No Solution Exploring Operation: 109-70=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 70+109=179, Resulting Numbers: [179] 179,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[70, 109], Operations: ['9+42=51', '58+51=109'] Exploring Operation: 70*109=7630, Resulting Numbers: [7630] 7630,73 unequal: No Solution Exploring Operation: 109-70=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 70+109=179, Resulting Numbers: [179] 179,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[58, 103], Operations: ['70-9=61', '42+61=103'] Exploring Operation: 58+103=161, Resulting Numbers: [161] 161,73 unequal: No Solution Exploring Operation: 103-58=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 58*103=5974, Resulting Numbers: [5974] 5974,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[67, 112], Operations: ['58+9=67', '70+42=112'] Exploring Operation: 67+112=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 112-67=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 67*112=7504, Resulting Numbers: [7504] 7504,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[70, 25], Operations: ['58+9=67', '67-42=25'] Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,73 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[58, 37], Operations: ['70+9=79', '79-42=37'] Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,73 unequal: No Solution Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[67, 28], Operations: ['58+9=67', '70-42=28'] Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,73 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[58, 121], Operations: ['70+9=79', '42+79=121'] Exploring Operation: 58+121=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 58*121=7018, Resulting Numbers: [7018] 7018,73 unequal: No Solution Exploring Operation: 121-58=63, Resulting Numbers: [63] 63,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[58, 121], Operations: ['9+42=51', '70+51=121'] Exploring Operation: 121-58=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 58*121=7018, Resulting Numbers: [7018] 7018,73 unequal: No Solution Exploring Operation: 58+121=179, Resulting Numbers: [179] 179,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[79, 16], Operations: ['70+9=79', '58-42=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,73 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[70, 7], Operations: ['9+42=51', '58-51=7'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,73 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[61, 16], Operations: ['70-9=61', '58-42=16'] Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,73 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[58, 19], Operations: ['9+42=51', '70-51=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,73 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[58, 19], Operations: ['70-9=61', '61-42=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,73 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,73 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 27, 11, 55, 30 ]
41
[ "27-11=16", "55-30=25", "16+25=41" ]
Current State: 41:[27, 11, 55, 30], Operations: [] Exploring Operation: 27-11=16, Resulting Numbers: [55, 30, 16] Generated Node #2: [55, 30, 16] from Operation: 27-11=16 Current State: 41:[55, 30, 16], Operations: ['27-11=16'] Exploring Operation: 55-30=25, Resulting Numbers: [16, 25] Generated Node #3: [16, 25] from Operation: 55-30=25 Current State: 41:[16, 25], Operations: ['27-11=16', '55-30=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[27, 11, 55, 30], Operations: [] Exploring Operation: 27+11=38, Resulting Numbers: [55, 30, 38] Generated Node #0,0: 41:[55, 30, 38] Operation: 27+11=38 Exploring Operation: 11+55=66, Resulting Numbers: [27, 30, 66] Generated Node #0,1: 41:[27, 30, 66] Operation: 11+55=66 Exploring Operation: 27-11=16, Resulting Numbers: [55, 30, 16] Generated Node #0,2: 41:[55, 30, 16] Operation: 27-11=16 Exploring Operation: 11+30=41, Resulting Numbers: [27, 55, 41] Generated Node #0,3: 41:[27, 55, 41] Operation: 11+30=41 Exploring Operation: 55-11=44, Resulting Numbers: [27, 30, 44] Generated Node #0,4: 41:[27, 30, 44] Operation: 55-11=44 Moving to Node #0,0 Current State: 41:[55, 30, 38], Operations: ['27+11=38'] Exploring Operation: 38-30=8, Resulting Numbers: [55, 8] Generated Node #0,0,0: 41:[55, 8] Operation: 38-30=8 Exploring Operation: 55-38=17, Resulting Numbers: [30, 17] Generated Node #0,0,1: 41:[30, 17] Operation: 55-38=17 Exploring Operation: 55+30=85, Resulting Numbers: [38, 85] Generated Node #0,0,2: 41:[38, 85] Operation: 55+30=85 Exploring Operation: 55-30=25, Resulting Numbers: [38, 25] Generated Node #0,0,3: 41:[38, 25] Operation: 55-30=25 Exploring Operation: 30+38=68, Resulting Numbers: [55, 68] Generated Node #0,0,4: 41:[55, 68] Operation: 30+38=68 Moving to Node #0,4 Current State: 41:[27, 30, 44], Operations: ['55-11=44'] Exploring Operation: 44-30=14, Resulting Numbers: [27, 14] Generated Node #0,4,0: 41:[27, 14] Operation: 44-30=14 Exploring Operation: 30-27=3, Resulting Numbers: [44, 3] Generated Node #0,4,1: 41:[44, 3] Operation: 30-27=3 Exploring Operation: 44-27=17, Resulting Numbers: [30, 17] Generated Node #0,4,2: 41:[30, 17] Operation: 44-27=17 Exploring Operation: 27+30=57, Resulting Numbers: [44, 57] Generated Node #0,4,3: 41:[44, 57] Operation: 27+30=57 Exploring Operation: 27+44=71, Resulting Numbers: [30, 71] Generated Node #0,4,4: 41:[30, 71] Operation: 27+44=71 Moving to Node #0,3 Current State: 41:[27, 55, 41], Operations: ['11+30=41'] Exploring Operation: 27+55=82, Resulting Numbers: [41, 82] Generated Node #0,3,0: 41:[41, 82] Operation: 27+55=82 Exploring Operation: 55-41=14, Resulting Numbers: [27, 14] Generated Node #0,3,1: 41:[27, 14] Operation: 55-41=14 Exploring Operation: 27+41=68, Resulting Numbers: [55, 68] Generated Node #0,3,2: 41:[55, 68] Operation: 27+41=68 Exploring Operation: 55-27=28, Resulting Numbers: [41, 28] Generated Node #0,3,3: 41:[41, 28] Operation: 55-27=28 Exploring Operation: 41-27=14, Resulting Numbers: [55, 14] Generated Node #0,3,4: 41:[55, 14] Operation: 41-27=14 Moving to Node #0,1 Current State: 41:[27, 30, 66], Operations: ['11+55=66'] Exploring Operation: 27+66=93, Resulting Numbers: [30, 93] Generated Node #0,1,0: 41:[30, 93] Operation: 27+66=93 Exploring Operation: 66-30=36, Resulting Numbers: [27, 36] Generated Node #0,1,1: 41:[27, 36] Operation: 66-30=36 Exploring Operation: 66-27=39, Resulting Numbers: [30, 39] Generated Node #0,1,2: 41:[30, 39] Operation: 66-27=39 Exploring Operation: 27+30=57, Resulting Numbers: [66, 57] Generated Node #0,1,3: 41:[66, 57] Operation: 27+30=57 Exploring Operation: 30-27=3, Resulting Numbers: [66, 3] Generated Node #0,1,4: 41:[66, 3] Operation: 30-27=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[30, 39], Operations: ['11+55=66', '66-27=39'] Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,41 unequal: No Solution Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[27, 36], Operations: ['11+55=66', '66-30=36'] Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,41 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[66, 57], Operations: ['11+55=66', '27+30=57'] Exploring Operation: 66+57=123, Resulting Numbers: [123] 123,41 unequal: No Solution Exploring Operation: 66*57=3762, Resulting Numbers: [3762] 3762,41 unequal: No Solution Exploring Operation: 66-57=9, Resulting Numbers: [9] 9,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[30, 93], Operations: ['11+55=66', '27+66=93'] Exploring Operation: 30+93=123, Resulting Numbers: [123] 123,41 unequal: No Solution Exploring Operation: 30*93=2790, Resulting Numbers: [2790] 2790,41 unequal: No Solution Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 41:[66, 3], Operations: ['11+55=66', '30-27=3'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,41 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 41:[55, 30, 16], Operations: ['27-11=16'] Exploring Operation: 30+16=46, Resulting Numbers: [55, 46] Generated Node #0,2,0: 41:[55, 46] Operation: 30+16=46 Exploring Operation: 55+16=71, Resulting Numbers: [30, 71] Generated Node #0,2,1: 41:[30, 71] Operation: 55+16=71 Exploring Operation: 30-16=14, Resulting Numbers: [55, 14] Generated Node #0,2,2: 41:[55, 14] Operation: 30-16=14 Exploring Operation: 55-30=25, Resulting Numbers: [16, 25] Generated Node #0,2,3: 41:[16, 25] Operation: 55-30=25 Exploring Operation: 55-16=39, Resulting Numbers: [30, 39] Generated Node #0,2,4: 41:[30, 39] Operation: 55-16=39 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 41:[30, 39], Operations: ['27-11=16', '55-16=39'] Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[55, 46], Operations: ['27-11=16', '30+16=46'] Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 55*46=2530, Resulting Numbers: [2530] 2530,41 unequal: No Solution Exploring Operation: 55+46=101, Resulting Numbers: [101] 101,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[30, 71], Operations: ['27-11=16', '55+16=71'] Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,41 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[27, 11, 55, 30], Operations: [] Exploring Operation: 27-11=16, Resulting Numbers: [55, 30, 16] Generated Node #0,2: 41:[55, 30, 16] Operation: 27-11=16 Moving to Node #0,2 Current State: 41:[55, 30, 16], Operations: ['27-11=16'] Exploring Operation: 55+16=71, Resulting Numbers: [30, 71] Generated Node #0,2,1: 41:[30, 71] Operation: 55+16=71 Moving to Node #0,2,1 Current State: 41:[30, 71], Operations: ['27-11=16', '55+16=71'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_5
sum_heuristic
[ 88, 62, 64, 86 ]
48
[ "88*62=5456", "64*86=5504", "5504-5456=48" ]
Current State: 48:[88, 62, 64, 86], Operations: [] Exploring Operation: 88*62=5456, Resulting Numbers: [64, 86, 5456] Generated Node #2: [64, 86, 5456] from Operation: 88*62=5456 Current State: 48:[64, 86, 5456], Operations: ['88*62=5456'] Exploring Operation: 64*86=5504, Resulting Numbers: [5456, 5504] Generated Node #3: [5456, 5504] from Operation: 64*86=5504 Current State: 48:[5456, 5504], Operations: ['88*62=5456', '64*86=5504'] Exploring Operation: 5504-5456=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[88, 62, 64, 86], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [88, 62, 22] Generated Node #0,0: 48:[88, 62, 22] Operation: 86-64=22 Exploring Operation: 86-62=24, Resulting Numbers: [88, 64, 24] Generated Node #0,1: 48:[88, 64, 24] Operation: 86-62=24 Exploring Operation: 88-62=26, Resulting Numbers: [64, 86, 26] Generated Node #0,2: 48:[64, 86, 26] Operation: 88-62=26 Exploring Operation: 88-64=24, Resulting Numbers: [62, 86, 24] Generated Node #0,3: 48:[62, 86, 24] Operation: 88-64=24 Exploring Operation: 88-86=2, Resulting Numbers: [62, 64, 2] Generated Node #0,4: 48:[62, 64, 2] Operation: 88-86=2 Moving to Node #0,4 Current State: 48:[62, 64, 2], Operations: ['88-86=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62, 62] Generated Node #0,4,0: 48:[62, 62] Operation: 64-2=62 Exploring Operation: 64-62=2, Resulting Numbers: [2, 2] Generated Node #0,4,1: 48:[2, 2] Operation: 64-62=2 Exploring Operation: 64/2=32, Resulting Numbers: [62, 32] Generated Node #0,4,2: 48:[62, 32] Operation: 64/2=32 Exploring Operation: 62/2=31, Resulting Numbers: [64, 31] Generated Node #0,4,3: 48:[64, 31] Operation: 62/2=31 Exploring Operation: 62-2=60, Resulting Numbers: [64, 60] Generated Node #0,4,4: 48:[64, 60] Operation: 62-2=60 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 48:[2, 2], Operations: ['88-86=2', '64-62=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,48 unequal: No Solution No 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: 48:[62, 32], Operations: ['88-86=2', '64/2=32'] Exploring Operation: 62+32=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 62*32=1984, Resulting Numbers: [1984] 1984,48 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,48 unequal: No Solution No 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: 48:[64, 31], Operations: ['88-86=2', '62/2=31'] Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,48 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,48 unequal: No Solution No 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: 48:[62, 62], Operations: ['88-86=2', '64-2=62'] Exploring Operation: 62-62=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 62*62=3844, Resulting Numbers: [3844] 3844,48 unequal: No Solution Exploring Operation: 62+62=124, Resulting Numbers: [124] 124,48 unequal: No Solution Exploring Operation: 62/62=1, Resulting Numbers: [1] 1,48 unequal: No Solution No 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: 48:[64, 60], Operations: ['88-86=2', '62-2=60'] Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 64*60=3840, Resulting Numbers: [3840] 3840,48 unequal: No Solution Exploring Operation: 64+60=124, Resulting Numbers: [124] 124,48 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: 48:[62, 86, 24], Operations: ['88-64=24'] Exploring Operation: 62+24=86, Resulting Numbers: [86, 86] Generated Node #0,3,0: 48:[86, 86] Operation: 62+24=86 Exploring Operation: 62-24=38, Resulting Numbers: [86, 38] Generated Node #0,3,1: 48:[86, 38] Operation: 62-24=38 Exploring Operation: 86-24=62, Resulting Numbers: [62, 62] Generated Node #0,3,2: 48:[62, 62] Operation: 86-24=62 Exploring Operation: 86-62=24, Resulting Numbers: [24, 24] Generated Node #0,3,3: 48:[24, 24] Operation: 86-62=24 Exploring Operation: 86+24=110, Resulting Numbers: [62, 110] Generated Node #0,3,4: 48:[62, 110] Operation: 86+24=110 Moving to Node #0,0 Current State: 48:[88, 62, 22], Operations: ['86-64=22'] Exploring Operation: 62-22=40, Resulting Numbers: [88, 40] Generated Node #0,0,0: 48:[88, 40] Operation: 62-22=40 Exploring Operation: 88-22=66, Resulting Numbers: [62, 66] Generated Node #0,0,1: 48:[62, 66] Operation: 88-22=66 Exploring Operation: 88+22=110, Resulting Numbers: [62, 110] Generated Node #0,0,2: 48:[62, 110] Operation: 88+22=110 Exploring Operation: 88/22=4, Resulting Numbers: [62, 4] Generated Node #0,0,3: 48:[62, 4] Operation: 88/22=4 Exploring Operation: 88-62=26, Resulting Numbers: [22, 26] Generated Node #0,0,4: 48:[22, 26] Operation: 88-62=26 Moving to Node #0,1 Current State: 48:[88, 64, 24], Operations: ['86-62=24'] Exploring Operation: 88+24=112, Resulting Numbers: [64, 112] Generated Node #0,1,0: 48:[64, 112] Operation: 88+24=112 Exploring Operation: 64+24=88, Resulting Numbers: [88, 88] Generated Node #0,1,1: 48:[88, 88] Operation: 64+24=88 Exploring Operation: 88-24=64, Resulting Numbers: [64, 64] Generated Node #0,1,2: 48:[64, 64] Operation: 88-24=64 Exploring Operation: 64-24=40, Resulting Numbers: [88, 40] Generated Node #0,1,3: 48:[88, 40] Operation: 64-24=40 Exploring Operation: 88-64=24, Resulting Numbers: [24, 24] Generated Node #0,1,4: 48:[24, 24] Operation: 88-64=24 Moving to Node #0,2 Current State: 48:[64, 86, 26], Operations: ['88-62=26'] Exploring Operation: 64-26=38, Resulting Numbers: [86, 38] Generated Node #0,2,0: 48:[86, 38] Operation: 64-26=38 Exploring Operation: 64+26=90, Resulting Numbers: [86, 90] Generated Node #0,2,1: 48:[86, 90] Operation: 64+26=90 Exploring Operation: 86-64=22, Resulting Numbers: [26, 22] Generated Node #0,2,2: 48:[26, 22] Operation: 86-64=22 Exploring Operation: 86-26=60, Resulting Numbers: [64, 60] Generated Node #0,2,3: 48:[64, 60] Operation: 86-26=60 Exploring Operation: 86+26=112, Resulting Numbers: [64, 112] Generated Node #0,2,4: 48:[64, 112] Operation: 86+26=112 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[26, 22], Operations: ['88-62=26', '86-64=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[88, 62, 64, 86], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [64, 86, 26] Generated Node #0,2: 48:[64, 86, 26] Operation: 88-62=26 Moving to Node #0,2 Current State: 48:[64, 86, 26], Operations: ['88-62=26'] Exploring Operation: 86-64=22, Resulting Numbers: [26, 22] Generated Node #0,2,2: 48:[26, 22] Operation: 86-64=22 Moving to Node #0,2,2 Current State: 48:[26, 22], Operations: ['88-62=26', '86-64=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_5
mult_heuristic
[ 93, 42, 95, 72 ]
32
[ "93+42=135", "95+72=167", "167-135=32" ]
Current State: 32:[93, 42, 95, 72], Operations: [] Exploring Operation: 93+42=135, Resulting Numbers: [95, 72, 135] Generated Node #2: [95, 72, 135] from Operation: 93+42=135 Current State: 32:[95, 72, 135], Operations: ['93+42=135'] Exploring Operation: 95+72=167, Resulting Numbers: [135, 167] Generated Node #3: [135, 167] from Operation: 95+72=167 Current State: 32:[135, 167], Operations: ['93+42=135', '95+72=167'] Exploring Operation: 167-135=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[93, 42, 95, 72], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [93, 42, 23] Generated Node #0,0: 32:[93, 42, 23] Operation: 95-72=23 Exploring Operation: 93-42=51, Resulting Numbers: [95, 72, 51] Generated Node #0,1: 32:[95, 72, 51] Operation: 93-42=51 Exploring Operation: 93-72=21, Resulting Numbers: [42, 95, 21] Generated Node #0,2: 32:[42, 95, 21] Operation: 93-72=21 Exploring Operation: 95-42=53, Resulting Numbers: [93, 72, 53] Generated Node #0,3: 32:[93, 72, 53] Operation: 95-42=53 Exploring Operation: 95-93=2, Resulting Numbers: [42, 72, 2] Generated Node #0,4: 32:[42, 72, 2] Operation: 95-93=2 Moving to Node #0,4 Current State: 32:[42, 72, 2], Operations: ['95-93=2'] Exploring Operation: 72-2=70, Resulting Numbers: [42, 70] Generated Node #0,4,0: 32:[42, 70] Operation: 72-2=70 Exploring Operation: 42/2=21, Resulting Numbers: [72, 21] Generated Node #0,4,1: 32:[72, 21] Operation: 42/2=21 Exploring Operation: 72/2=36, Resulting Numbers: [42, 36] Generated Node #0,4,2: 32:[42, 36] Operation: 72/2=36 Exploring Operation: 42-2=40, Resulting Numbers: [72, 40] Generated Node #0,4,3: 32:[72, 40] Operation: 42-2=40 Exploring Operation: 72-42=30, Resulting Numbers: [2, 30] Generated Node #0,4,4: 32:[2, 30] Operation: 72-42=30 Moving to Node #0,2 Current State: 32:[42, 95, 21], Operations: ['93-72=21'] Exploring Operation: 42-21=21, Resulting Numbers: [95, 21] Generated Node #0,2,0: 32:[95, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [95, 2] Generated Node #0,2,1: 32:[95, 2] Operation: 42/21=2 Exploring Operation: 42+21=63, Resulting Numbers: [95, 63] Generated Node #0,2,2: 32:[95, 63] Operation: 42+21=63 Exploring Operation: 95-21=74, Resulting Numbers: [42, 74] Generated Node #0,2,3: 32:[42, 74] Operation: 95-21=74 Exploring Operation: 95-42=53, Resulting Numbers: [21, 53] Generated Node #0,2,4: 32:[21, 53] Operation: 95-42=53 Moving to Node #0,0 Current State: 32:[93, 42, 23], Operations: ['95-72=23'] Exploring Operation: 42+23=65, Resulting Numbers: [93, 65] Generated Node #0,0,0: 32:[93, 65] Operation: 42+23=65 Exploring Operation: 93-23=70, Resulting Numbers: [42, 70] Generated Node #0,0,1: 32:[42, 70] Operation: 93-23=70 Exploring Operation: 93+23=116, Resulting Numbers: [42, 116] Generated Node #0,0,2: 32:[42, 116] Operation: 93+23=116 Exploring Operation: 93-42=51, Resulting Numbers: [23, 51] Generated Node #0,0,3: 32:[23, 51] Operation: 93-42=51 Exploring Operation: 42-23=19, Resulting Numbers: [93, 19] Generated Node #0,0,4: 32:[93, 19] Operation: 42-23=19 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[23, 51], Operations: ['95-72=23', '93-42=51'] Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,32 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[42, 70], Operations: ['95-72=23', '93-23=70'] Exploring Operation: 42+70=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 70-42=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 42*70=2940, Resulting Numbers: [2940] 2940,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[93, 19], Operations: ['95-72=23', '42-23=19'] Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 93+19=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 93*19=1767, Resulting Numbers: [1767] 1767,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[93, 65], Operations: ['95-72=23', '42+23=65'] Exploring Operation: 93+65=158, Resulting Numbers: [158] 158,32 unequal: No Solution Exploring Operation: 93*65=6045, Resulting Numbers: [6045] 6045,32 unequal: No Solution Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[42, 116], Operations: ['95-72=23', '93+23=116'] Exploring Operation: 42+116=158, Resulting Numbers: [158] 158,32 unequal: No Solution Exploring Operation: 42*116=4872, Resulting Numbers: [4872] 4872,32 unequal: No Solution Exploring Operation: 116-42=74, Resulting Numbers: [74] 74,32 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: 32:[95, 72, 51], Operations: ['93-42=51'] Exploring Operation: 95+51=146, Resulting Numbers: [72, 146] Generated Node #0,1,0: 32:[72, 146] Operation: 95+51=146 Exploring Operation: 72-51=21, Resulting Numbers: [95, 21] Generated Node #0,1,1: 32:[95, 21] Operation: 72-51=21 Exploring Operation: 95+72=167, Resulting Numbers: [51, 167] Generated Node #0,1,2: 32:[51, 167] Operation: 95+72=167 Exploring Operation: 95-51=44, Resulting Numbers: [72, 44] Generated Node #0,1,3: 32:[72, 44] Operation: 95-51=44 Exploring Operation: 95-72=23, Resulting Numbers: [51, 23] Generated Node #0,1,4: 32:[51, 23] Operation: 95-72=23 Moving to Node #0,3 Current State: 32:[93, 72, 53], Operations: ['95-42=53'] Exploring Operation: 93+72=165, Resulting Numbers: [53, 165] Generated Node #0,3,0: 32:[53, 165] Operation: 93+72=165 Exploring Operation: 93-53=40, Resulting Numbers: [72, 40] Generated Node #0,3,1: 32:[72, 40] Operation: 93-53=40 Exploring Operation: 93+53=146, Resulting Numbers: [72, 146] Generated Node #0,3,2: 32:[72, 146] Operation: 93+53=146 Exploring Operation: 93-72=21, Resulting Numbers: [53, 21] Generated Node #0,3,3: 32:[53, 21] Operation: 93-72=21 Exploring Operation: 72-53=19, Resulting Numbers: [93, 19] Generated Node #0,3,4: 32:[93, 19] Operation: 72-53=19 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 32:[53, 21], Operations: ['95-42=53', '93-72=21'] Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[93, 42, 95, 72], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [93, 72, 53] Generated Node #0,3: 32:[93, 72, 53] Operation: 95-42=53 Moving to Node #0,3 Current State: 32:[93, 72, 53], Operations: ['95-42=53'] Exploring Operation: 93-72=21, Resulting Numbers: [53, 21] Generated Node #0,3,3: 32:[53, 21] Operation: 93-72=21 Moving to Node #0,3,3 Current State: 32:[53, 21], Operations: ['95-42=53', '93-72=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_5
mult_heuristic
[ 84, 33, 18, 22 ]
48
[ "22-18=4", "33*4=132", "132-84=48" ]
Current State: 48:[84, 33, 18, 22], Operations: [] Exploring Operation: 22-18=4, Resulting Numbers: [84, 33, 4] Generated Node #2: [84, 33, 4] from Operation: 22-18=4 Current State: 48:[84, 33, 4], Operations: ['22-18=4'] Exploring Operation: 33*4=132, Resulting Numbers: [84, 132] Generated Node #3: [84, 132] from Operation: 33*4=132 Current State: 48:[84, 132], Operations: ['22-18=4', '33*4=132'] Exploring Operation: 132-84=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[84, 33, 18, 22], Operations: [] Exploring Operation: 84-22=62, Resulting Numbers: [33, 18, 62] Generated Node #0,0: 48:[33, 18, 62] Operation: 84-22=62 Exploring Operation: 84-18=66, Resulting Numbers: [33, 22, 66] Generated Node #0,1: 48:[33, 22, 66] Operation: 84-18=66 Exploring Operation: 84-33=51, Resulting Numbers: [18, 22, 51] Generated Node #0,2: 48:[18, 22, 51] Operation: 84-33=51 Moving to Node #0,2 Current State: 48:[18, 22, 51], Operations: ['84-33=51'] Exploring Operation: 51-22=29, Resulting Numbers: [18, 29] Generated Node #0,2,0: 48:[18, 29] Operation: 51-22=29 Exploring Operation: 18+22=40, Resulting Numbers: [51, 40] Generated Node #0,2,1: 48:[51, 40] Operation: 18+22=40 Exploring Operation: 22-18=4, Resulting Numbers: [51, 4] Generated Node #0,2,2: 48:[51, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[51, 4], Operations: ['84-33=51', '22-18=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,48 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,48 unequal: No Solution No 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: 48:[18, 29], Operations: ['84-33=51', '51-22=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,48 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,48 unequal: No Solution No 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: 48:[51, 40], Operations: ['84-33=51', '18+22=40'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,48 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,48 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: 48:[33, 18, 62], Operations: ['84-22=62'] Exploring Operation: 62-33=29, Resulting Numbers: [18, 29] Generated Node #0,0,0: 48:[18, 29] Operation: 62-33=29 Exploring Operation: 33-18=15, Resulting Numbers: [62, 15] Generated Node #0,0,1: 48:[62, 15] Operation: 33-18=15 Exploring Operation: 62-18=44, Resulting Numbers: [33, 44] Generated Node #0,0,2: 48:[33, 44] Operation: 62-18=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[18, 29], Operations: ['84-22=62', '62-33=29'] Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,48 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,48 unequal: No Solution No 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: 48:[33, 44], Operations: ['84-22=62', '62-18=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,48 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,48 unequal: No Solution No 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: 48:[62, 15], Operations: ['84-22=62', '33-18=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,48 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,48 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: 48:[33, 22, 66], Operations: ['84-18=66'] Exploring Operation: 66/33=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 48:[22, 2] Operation: 66/33=2 Exploring Operation: 66/22=3, Resulting Numbers: [33, 3] Generated Node #0,1,1: 48:[33, 3] Operation: 66/22=3 Exploring Operation: 66-33=33, Resulting Numbers: [22, 33] Generated Node #0,1,2: 48:[22, 33] Operation: 66-33=33 Moving to Node #0,1,0 Current State: 48:[22, 2], Operations: ['84-18=66', '66/33=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[33, 3], Operations: ['84-18=66', '66/22=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[22, 33], Operations: ['84-18=66', '66-33=33'] Exploring Operation: 22*33=726, Resulting Numbers: [726] 726,48 unequal: No Solution Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,48 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,48 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 5, 54, 97, 73 ]
66
[ "97-73=24", "5*24=120", "120-54=66" ]
Current State: 66:[5, 54, 97, 73], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [5, 54, 24] Generated Node #2: [5, 54, 24] from Operation: 97-73=24 Current State: 66:[5, 54, 24], Operations: ['97-73=24'] Exploring Operation: 5*24=120, Resulting Numbers: [54, 120] Generated Node #3: [54, 120] from Operation: 5*24=120 Current State: 66:[54, 120], Operations: ['97-73=24', '5*24=120'] Exploring Operation: 120-54=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[5, 54, 97, 73], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [5, 54, 24] Generated Node #0,0: 66:[5, 54, 24] Operation: 97-73=24 Exploring Operation: 97-54=43, Resulting Numbers: [5, 73, 43] Generated Node #0,1: 66:[5, 73, 43] Operation: 97-54=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[5, 54, 24], Operations: ['97-73=24'] Exploring Operation: 54-24=30, Resulting Numbers: [5, 30] Generated Node #0,0,0: 66:[5, 30] Operation: 54-24=30 Exploring Operation: 5+54=59, Resulting Numbers: [24, 59] Generated Node #0,0,1: 66:[24, 59] Operation: 5+54=59 Moving to Node #0,0,0 Current State: 66:[5, 30], Operations: ['97-73=24', '54-24=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[24, 59], Operations: ['97-73=24', '5+54=59'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,66 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 Current State: 66:[5, 73, 43], Operations: ['97-54=43'] Exploring Operation: 73-5=68, Resulting Numbers: [43, 68] Generated Node #0,1,0: 66:[43, 68] Operation: 73-5=68 Exploring Operation: 73-43=30, Resulting Numbers: [5, 30] Generated Node #0,1,1: 66:[5, 30] Operation: 73-43=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[5, 30], Operations: ['97-54=43', '73-43=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,66 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 #0,1,0 Current State: 66:[43, 68], Operations: ['97-54=43', '73-5=68'] Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,66 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,66 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_2
mult_heuristic
[ 57, 64, 63, 48 ]
57
[ "64-57=7", "63/7=9", "48+9=57" ]
Current State: 57:[57, 64, 63, 48], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [63, 48, 7] Generated Node #2: [63, 48, 7] from Operation: 64-57=7 Current State: 57:[63, 48, 7], Operations: ['64-57=7'] Exploring Operation: 63/7=9, Resulting Numbers: [48, 9] Generated Node #3: [48, 9] from Operation: 63/7=9 Current State: 57:[48, 9], Operations: ['64-57=7', '63/7=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[57, 64, 63, 48], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [63, 48, 7] Generated Node #0,0: 57:[63, 48, 7] Operation: 64-57=7 Exploring Operation: 64-48=16, Resulting Numbers: [57, 63, 16] Generated Node #0,1: 57:[57, 63, 16] Operation: 64-48=16 Exploring Operation: 63-48=15, Resulting Numbers: [57, 64, 15] Generated Node #0,2: 57:[57, 64, 15] Operation: 63-48=15 Exploring Operation: 64-63=1, Resulting Numbers: [57, 48, 1] Generated Node #0,3: 57:[57, 48, 1] Operation: 64-63=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[57, 63, 16], Operations: ['64-48=16'] Exploring Operation: 57+16=73, Resulting Numbers: [63, 73] Generated Node #0,1,0: 57:[63, 73] Operation: 57+16=73 Exploring Operation: 57-16=41, Resulting Numbers: [63, 41] Generated Node #0,1,1: 57:[63, 41] Operation: 57-16=41 Exploring Operation: 63-57=6, Resulting Numbers: [16, 6] Generated Node #0,1,2: 57:[16, 6] Operation: 63-57=6 Exploring Operation: 63-16=47, Resulting Numbers: [57, 47] Generated Node #0,1,3: 57:[57, 47] Operation: 63-16=47 Moving to Node #0,1,2 Current State: 57:[16, 6], Operations: ['64-48=16', '63-57=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,57 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[57, 47], Operations: ['64-48=16', '63-16=47'] Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 57*47=2679, Resulting Numbers: [2679] 2679,57 unequal: No Solution Exploring Operation: 57+47=104, Resulting Numbers: [104] 104,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[63, 41], Operations: ['64-48=16', '57-16=41'] Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,57 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[63, 73], Operations: ['64-48=16', '57+16=73'] Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,57 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[57, 64, 15], Operations: ['63-48=15'] Exploring Operation: 57+15=72, Resulting Numbers: [64, 72] Generated Node #0,2,0: 57:[64, 72] Operation: 57+15=72 Exploring Operation: 64-57=7, Resulting Numbers: [15, 7] Generated Node #0,2,1: 57:[15, 7] Operation: 64-57=7 Exploring Operation: 64-15=49, Resulting Numbers: [57, 49] Generated Node #0,2,2: 57:[57, 49] Operation: 64-15=49 Exploring Operation: 57-15=42, Resulting Numbers: [64, 42] Generated Node #0,2,3: 57:[64, 42] Operation: 57-15=42 Moving to Node #0,2,1 Current State: 57:[15, 7], Operations: ['63-48=15', '64-57=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,57 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[57, 49], Operations: ['63-48=15', '64-15=49'] Exploring Operation: 57*49=2793, Resulting Numbers: [2793] 2793,57 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 57+49=106, Resulting Numbers: [106] 106,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[64, 42], Operations: ['63-48=15', '57-15=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[64, 72], Operations: ['63-48=15', '57+15=72'] Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,57 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[57, 48, 1], Operations: ['64-63=1'] Exploring Operation: 57-48=9, Resulting Numbers: [1, 9] Generated Node #0,3,0: 57:[1, 9] Operation: 57-48=9 Exploring Operation: 57*1=57, Resulting Numbers: [48, 57] Generated Node #0,3,1: 57:[48, 57] Operation: 57*1=57 Exploring Operation: 57/1=57, Resulting Numbers: [48, 57] Generated Node #0,3,2: 57:[48, 57] Operation: 57/1=57 Exploring Operation: 48+1=49, Resulting Numbers: [57, 49] Generated Node #0,3,3: 57:[57, 49] Operation: 48+1=49 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[1, 9], Operations: ['64-63=1', '57-48=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,57 unequal: No Solution No 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: 57:[57, 49], Operations: ['64-63=1', '48+1=49'] Exploring Operation: 57*49=2793, Resulting Numbers: [2793] 2793,57 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 57+49=106, Resulting Numbers: [106] 106,57 unequal: No Solution No 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: 57:[48, 57], Operations: ['64-63=1', '57*1=57'] Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,57 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,57 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,57 unequal: No Solution No 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: 57:[48, 57], Operations: ['64-63=1', '57/1=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,57 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,57 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[63, 48, 7], Operations: ['64-57=7'] Exploring Operation: 63-7=56, Resulting Numbers: [48, 56] Generated Node #0,0,0: 57:[48, 56] Operation: 63-7=56 Exploring Operation: 63/7=9, Resulting Numbers: [48, 9] Generated Node #0,0,1: 57:[48, 9] Operation: 63/7=9 Exploring Operation: 48+7=55, Resulting Numbers: [63, 55] Generated Node #0,0,2: 57:[63, 55] Operation: 48+7=55 Exploring Operation: 63-48=15, Resulting Numbers: [7, 15] Generated Node #0,0,3: 57:[7, 15] Operation: 63-48=15 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[63, 55], Operations: ['64-57=7', '48+7=55'] Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,57 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,57 unequal: No Solution No 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: 57:[7, 15], Operations: ['64-57=7', '63-48=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,57 unequal: No Solution No 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: 57:[48, 56], Operations: ['64-57=7', '63-7=56'] Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,57 unequal: No Solution No 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: 57:[48, 9], Operations: ['64-57=7', '63/7=9'] Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,57 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[57, 64, 63, 48], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [63, 48, 7] Generated Node #0,0: 57:[63, 48, 7] Operation: 64-57=7 Moving to Node #0,0 Current State: 57:[63, 48, 7], Operations: ['64-57=7'] Exploring Operation: 63/7=9, Resulting Numbers: [48, 9] Generated Node #0,0,1: 57:[48, 9] Operation: 63/7=9 Moving to Node #0,0,1 Current State: 57:[48, 9], Operations: ['64-57=7', '63/7=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.936632
hs_4
sum_heuristic
[ 82, 94, 11, 65 ]
88
[ "94-82=12", "11+65=76", "12+76=88" ]
Current State: 88:[82, 94, 11, 65], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [11, 65, 12] Generated Node #2: [11, 65, 12] from Operation: 94-82=12 Current State: 88:[11, 65, 12], Operations: ['94-82=12'] Exploring Operation: 11+65=76, Resulting Numbers: [12, 76] Generated Node #3: [12, 76] from Operation: 11+65=76 Current State: 88:[12, 76], Operations: ['94-82=12', '11+65=76'] Exploring Operation: 12+76=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[82, 94, 11, 65], Operations: [] Exploring Operation: 82-65=17, Resulting Numbers: [94, 11, 17] Generated Node #0,0: 88:[94, 11, 17] Operation: 82-65=17 Exploring Operation: 94-65=29, Resulting Numbers: [82, 11, 29] Generated Node #0,1: 88:[82, 11, 29] Operation: 94-65=29 Exploring Operation: 65-11=54, Resulting Numbers: [82, 94, 54] Generated Node #0,2: 88:[82, 94, 54] Operation: 65-11=54 Exploring Operation: 94-82=12, Resulting Numbers: [11, 65, 12] Generated Node #0,3: 88:[11, 65, 12] Operation: 94-82=12 Moving to Node #0,0 Current State: 88:[94, 11, 17], Operations: ['82-65=17'] Exploring Operation: 11+17=28, Resulting Numbers: [94, 28] Generated Node #0,0,0: 88:[94, 28] Operation: 11+17=28 Exploring Operation: 94-11=83, Resulting Numbers: [17, 83] Generated Node #0,0,1: 88:[17, 83] Operation: 94-11=83 Exploring Operation: 17-11=6, Resulting Numbers: [94, 6] Generated Node #0,0,2: 88:[94, 6] Operation: 17-11=6 Exploring Operation: 94-17=77, Resulting Numbers: [11, 77] Generated Node #0,0,3: 88:[11, 77] Operation: 94-17=77 Moving to Node #0,1 Current State: 88:[82, 11, 29], Operations: ['94-65=29'] Exploring Operation: 82+11=93, Resulting Numbers: [29, 93] Generated Node #0,1,0: 88:[29, 93] Operation: 82+11=93 Exploring Operation: 11+29=40, Resulting Numbers: [82, 40] Generated Node #0,1,1: 88:[82, 40] Operation: 11+29=40 Exploring Operation: 82-29=53, Resulting Numbers: [11, 53] Generated Node #0,1,2: 88:[11, 53] Operation: 82-29=53 Exploring Operation: 29-11=18, Resulting Numbers: [82, 18] Generated Node #0,1,3: 88:[82, 18] Operation: 29-11=18 Moving to Node #0,3 Current State: 88:[11, 65, 12], Operations: ['94-82=12'] Exploring Operation: 65-12=53, Resulting Numbers: [11, 53] Generated Node #0,3,0: 88:[11, 53] Operation: 65-12=53 Exploring Operation: 11+65=76, Resulting Numbers: [12, 76] Generated Node #0,3,1: 88:[12, 76] Operation: 11+65=76 Exploring Operation: 65-11=54, Resulting Numbers: [12, 54] Generated Node #0,3,2: 88:[12, 54] Operation: 65-11=54 Exploring Operation: 65+12=77, Resulting Numbers: [11, 77] Generated Node #0,3,3: 88:[11, 77] Operation: 65+12=77 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 88:[11, 53], Operations: ['94-82=12', '65-12=53'] Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 11*53=583, Resulting Numbers: [583] 583,88 unequal: No Solution Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,88 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 #0,3,2 Current State: 88:[12, 54], Operations: ['94-82=12', '65-11=54'] Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,88 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,88 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 #0,3,3 Current State: 88:[11, 77], Operations: ['94-82=12', '65+12=77'] Exploring Operation: 11+77=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[82, 94, 11, 65], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [11, 65, 12] Generated Node #0,3: 88:[11, 65, 12] Operation: 94-82=12 Moving to Node #0,3 Current State: 88:[11, 65, 12], Operations: ['94-82=12'] Exploring Operation: 65+12=77, Resulting Numbers: [11, 77] Generated Node #0,3,3: 88:[11, 77] Operation: 65+12=77 Moving to Node #0,3,3 Current State: 88:[11, 77], Operations: ['94-82=12', '65+12=77'] Exploring Operation: 11+77=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 17, 53, 74, 4 ]
70
[ "53-17=36", "4*36=144", "144-74=70" ]
Current State: 70:[17, 53, 74, 4], Operations: [] Exploring Operation: 53-17=36, Resulting Numbers: [74, 4, 36] Generated Node #2: [74, 4, 36] from Operation: 53-17=36 Current State: 70:[74, 4, 36], Operations: ['53-17=36'] Exploring Operation: 4*36=144, Resulting Numbers: [74, 144] Generated Node #3: [74, 144] from Operation: 4*36=144 Current State: 70:[74, 144], Operations: ['53-17=36', '4*36=144'] Exploring Operation: 144-74=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[17, 53, 74, 4], Operations: [] Exploring Operation: 74-53=21, Resulting Numbers: [17, 4, 21] Generated Node #0,0: 70:[17, 4, 21] Operation: 74-53=21 Exploring Operation: 17+53=70, Resulting Numbers: [74, 4, 70] Generated Node #0,1: 70:[74, 4, 70] Operation: 17+53=70 Exploring Operation: 53+4=57, Resulting Numbers: [17, 74, 57] Generated Node #0,2: 70:[17, 74, 57] Operation: 53+4=57 Exploring Operation: 53-17=36, Resulting Numbers: [74, 4, 36] Generated Node #0,3: 70:[74, 4, 36] Operation: 53-17=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[74, 4, 70], Operations: ['17+53=70'] Exploring Operation: 74+4=78, Resulting Numbers: [70, 78] Generated Node #0,1,0: 70:[70, 78] Operation: 74+4=78 Exploring Operation: 4+70=74, Resulting Numbers: [74, 74] Generated Node #0,1,1: 70:[74, 74] Operation: 4+70=74 Exploring Operation: 74-70=4, Resulting Numbers: [4, 4] Generated Node #0,1,2: 70:[4, 4] Operation: 74-70=4 Exploring Operation: 74-4=70, Resulting Numbers: [70, 70] Generated Node #0,1,3: 70:[70, 70] Operation: 74-4=70 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 70:[70, 70], Operations: ['17+53=70', '74-4=70'] Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 70*70=4900, Resulting Numbers: [4900] 4900,70 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,70 unequal: No Solution No 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: 70:[4, 4], Operations: ['17+53=70', '74-70=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,70 unequal: No Solution No 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: 70:[70, 78], Operations: ['17+53=70', '74+4=78'] Exploring Operation: 70*78=5460, Resulting Numbers: [5460] 5460,70 unequal: No Solution Exploring Operation: 70+78=148, Resulting Numbers: [148] 148,70 unequal: No Solution Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,70 unequal: No Solution No 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: 70:[74, 74], Operations: ['17+53=70', '4+70=74'] Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,70 unequal: No Solution Exploring Operation: 74-74=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 74*74=5476, Resulting Numbers: [5476] 5476,70 unequal: No Solution Exploring Operation: 74/74=1, Resulting Numbers: [1] 1,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[74, 4, 36], Operations: ['53-17=36'] Exploring Operation: 74-4=70, Resulting Numbers: [36, 70] Generated Node #0,3,0: 70:[36, 70] Operation: 74-4=70 Exploring Operation: 36-4=32, Resulting Numbers: [74, 32] Generated Node #0,3,1: 70:[74, 32] Operation: 36-4=32 Exploring Operation: 74-36=38, Resulting Numbers: [4, 38] Generated Node #0,3,2: 70:[4, 38] Operation: 74-36=38 Exploring Operation: 36/4=9, Resulting Numbers: [74, 9] Generated Node #0,3,3: 70:[74, 9] Operation: 36/4=9 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[36, 70], Operations: ['53-17=36', '74-4=70'] Exploring Operation: 36+70=106, Resulting Numbers: [106] 106,70 unequal: No Solution Exploring Operation: 36*70=2520, Resulting Numbers: [2520] 2520,70 unequal: No Solution Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,70 unequal: No Solution No 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: 70:[4, 38], Operations: ['53-17=36', '74-36=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,70 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,70 unequal: No Solution No 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: 70:[74, 9], Operations: ['53-17=36', '36/4=9'] Exploring Operation: 74*9=666, Resulting Numbers: [666] 666,70 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 74+9=83, Resulting Numbers: [83] 83,70 unequal: No Solution No 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: 70:[74, 32], Operations: ['53-17=36', '36-4=32'] Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,70 unequal: No Solution Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,70 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[17, 4, 21], Operations: ['74-53=21'] Exploring Operation: 17-4=13, Resulting Numbers: [21, 13] Generated Node #0,0,0: 70:[21, 13] Operation: 17-4=13 Exploring Operation: 17+21=38, Resulting Numbers: [4, 38] Generated Node #0,0,1: 70:[4, 38] Operation: 17+21=38 Exploring Operation: 21-4=17, Resulting Numbers: [17, 17] Generated Node #0,0,2: 70:[17, 17] Operation: 21-4=17 Exploring Operation: 21-17=4, Resulting Numbers: [4, 4] Generated Node #0,0,3: 70:[4, 4] Operation: 21-17=4 Moving to Node #0,0,3 Current State: 70:[4, 4], Operations: ['74-53=21', '21-17=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[4, 38], Operations: ['74-53=21', '17+21=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,70 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[17, 17], Operations: ['74-53=21', '21-4=17'] Exploring Operation: 17/17=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 17*17=289, Resulting Numbers: [289] 289,70 unequal: No Solution Exploring Operation: 17-17=0, Resulting Numbers: [0] 0,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[21, 13], Operations: ['74-53=21', '17-4=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,70 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,70 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 #0,2 Current State: 70:[17, 74, 57], Operations: ['53+4=57'] Exploring Operation: 17+57=74, Resulting Numbers: [74, 74] Generated Node #0,2,0: 70:[74, 74] Operation: 17+57=74 Exploring Operation: 74-57=17, Resulting Numbers: [17, 17] Generated Node #0,2,1: 70:[17, 17] Operation: 74-57=17 Exploring Operation: 74-17=57, Resulting Numbers: [57, 57] Generated Node #0,2,2: 70:[57, 57] Operation: 74-17=57 Exploring Operation: 57-17=40, Resulting Numbers: [74, 40] Generated Node #0,2,3: 70:[74, 40] Operation: 57-17=40 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[17, 17], Operations: ['53+4=57', '74-57=17'] Exploring Operation: 17*17=289, Resulting Numbers: [289] 289,70 unequal: No Solution Exploring Operation: 17-17=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 17/17=1, Resulting Numbers: [1] 1,70 unequal: No Solution No 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: 70:[74, 74], Operations: ['53+4=57', '17+57=74'] Exploring Operation: 74/74=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 74-74=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,70 unequal: No Solution Exploring Operation: 74*74=5476, Resulting Numbers: [5476] 5476,70 unequal: No Solution No 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: 70:[74, 40], Operations: ['53+4=57', '57-17=40'] Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,70 unequal: No Solution No 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: 70:[57, 57], Operations: ['53+4=57', '74-17=57'] Exploring Operation: 57/57=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 57+57=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 57*57=3249, Resulting Numbers: [3249] 3249,70 unequal: No Solution Exploring Operation: 57-57=0, Resulting Numbers: [0] 0,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 6, 47, 31, 89 ]
50
[ "6*31=186", "47+89=136", "186-136=50" ]
Current State: 50:[6, 47, 31, 89], Operations: [] Exploring Operation: 6*31=186, Resulting Numbers: [47, 89, 186] Generated Node #2: [47, 89, 186] from Operation: 6*31=186 Current State: 50:[47, 89, 186], Operations: ['6*31=186'] Exploring Operation: 47+89=136, Resulting Numbers: [186, 136] Generated Node #3: [186, 136] from Operation: 47+89=136 Current State: 50:[186, 136], Operations: ['6*31=186', '47+89=136'] Exploring Operation: 186-136=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 47, 31, 89], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [6, 31, 42] Generated Node #0,0: 50:[6, 31, 42] Operation: 89-47=42 Exploring Operation: 89-31=58, Resulting Numbers: [6, 47, 58] Generated Node #0,1: 50:[6, 47, 58] Operation: 89-31=58 Exploring Operation: 31-6=25, Resulting Numbers: [47, 89, 25] Generated Node #0,2: 50:[47, 89, 25] Operation: 31-6=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[6, 47, 58], Operations: ['89-31=58'] Exploring Operation: 58-47=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 50:[6, 11] Operation: 58-47=11 Exploring Operation: 58-6=52, Resulting Numbers: [47, 52] Generated Node #0,1,1: 50:[47, 52] Operation: 58-6=52 Exploring Operation: 6+47=53, Resulting Numbers: [58, 53] Generated Node #0,1,2: 50:[58, 53] Operation: 6+47=53 Moving to Node #0,1,0 Current State: 50:[6, 11], Operations: ['89-31=58', '58-47=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,50 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[47, 52], Operations: ['89-31=58', '58-6=52'] Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,50 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[58, 53], Operations: ['89-31=58', '6+47=53'] Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 58+53=111, Resulting Numbers: [111] 111,50 unequal: No Solution Exploring Operation: 58*53=3074, Resulting Numbers: [3074] 3074,50 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 #0,0 Current State: 50:[6, 31, 42], Operations: ['89-47=42'] Exploring Operation: 31-6=25, Resulting Numbers: [42, 25] Generated Node #0,0,0: 50:[42, 25] Operation: 31-6=25 Exploring Operation: 42-31=11, Resulting Numbers: [6, 11] Generated Node #0,0,1: 50:[6, 11] Operation: 42-31=11 Exploring Operation: 6+42=48, Resulting Numbers: [31, 48] Generated Node #0,0,2: 50:[31, 48] Operation: 6+42=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[6, 11], Operations: ['89-47=42', '42-31=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,50 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,50 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:[42, 25], Operations: ['89-47=42', '31-6=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,50 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:[31, 48], Operations: ['89-47=42', '6+42=48'] Exploring Operation: 31+48=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 31*48=1488, Resulting Numbers: [1488] 1488,50 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 #0,2 Current State: 50:[47, 89, 25], Operations: ['31-6=25'] Exploring Operation: 89-47=42, Resulting Numbers: [25, 42] Generated Node #0,2,0: 50:[25, 42] Operation: 89-47=42 Exploring Operation: 47-25=22, Resulting Numbers: [89, 22] Generated Node #0,2,1: 50:[89, 22] Operation: 47-25=22 Exploring Operation: 89-25=64, Resulting Numbers: [47, 64] Generated Node #0,2,2: 50:[47, 64] Operation: 89-25=64 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 50:[25, 42], Operations: ['31-6=25', '89-47=42'] Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,50 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,50 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 #0,2,2 Current State: 50:[47, 64], Operations: ['31-6=25', '89-25=64'] Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,50 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 47*64=3008, Resulting Numbers: [3008] 3008,50 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 #0,2,1 Current State: 50:[89, 22], Operations: ['31-6=25', '47-25=22'] Exploring Operation: 89*22=1958, Resulting Numbers: [1958] 1958,50 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 89+22=111, Resulting Numbers: [111] 111,50 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 No solution found.
0
hs_3
mult_heuristic
[ 62, 30, 12, 67 ]
23
[ "62-30=32", "67-12=55", "55-32=23" ]
Current State: 23:[62, 30, 12, 67], Operations: [] Exploring Operation: 62-30=32, Resulting Numbers: [12, 67, 32] Generated Node #2: [12, 67, 32] from Operation: 62-30=32 Current State: 23:[12, 67, 32], Operations: ['62-30=32'] Exploring Operation: 67-12=55, Resulting Numbers: [32, 55] Generated Node #3: [32, 55] from Operation: 67-12=55 Current State: 23:[32, 55], Operations: ['62-30=32', '67-12=55'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[62, 30, 12, 67], Operations: [] Exploring Operation: 67-62=5, Resulting Numbers: [30, 12, 5] Generated Node #0,0: 23:[30, 12, 5] Operation: 67-62=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[30, 12, 5], Operations: ['67-62=5'] Exploring Operation: 30-5=25, Resulting Numbers: [12, 25] Generated Node #0,0,0: 23:[12, 25] Operation: 30-5=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[12, 25], Operations: ['67-62=5', '30-5=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 96, 64, 36, 90 ]
58
[ "96-90=6", "36/6=6", "64-6=58" ]
Current State: 58:[96, 64, 36, 90], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [64, 36, 6] Generated Node #2: [64, 36, 6] from Operation: 96-90=6 Current State: 58:[64, 36, 6], Operations: ['96-90=6'] Exploring Operation: 36/6=6, Resulting Numbers: [64, 6] Generated Node #3: [64, 6] from Operation: 36/6=6 Current State: 58:[64, 6], Operations: ['96-90=6', '36/6=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[96, 64, 36, 90], Operations: [] Exploring Operation: 96-64=32, Resulting Numbers: [36, 90, 32] Generated Node #0,0: 58:[36, 90, 32] Operation: 96-64=32 Exploring Operation: 96-36=60, Resulting Numbers: [64, 90, 60] Generated Node #0,1: 58:[64, 90, 60] Operation: 96-36=60 Exploring Operation: 96-90=6, Resulting Numbers: [64, 36, 6] Generated Node #0,2: 58:[64, 36, 6] Operation: 96-90=6 Moving to Node #0,2 Current State: 58:[64, 36, 6], Operations: ['96-90=6'] Exploring Operation: 64-36=28, Resulting Numbers: [6, 28] Generated Node #0,2,0: 58:[6, 28] Operation: 64-36=28 Exploring Operation: 64-6=58, Resulting Numbers: [36, 58] Generated Node #0,2,1: 58:[36, 58] Operation: 64-6=58 Exploring Operation: 36-6=30, Resulting Numbers: [64, 30] Generated Node #0,2,2: 58:[64, 30] Operation: 36-6=30 Moving to Node #0,1 Current State: 58:[64, 90, 60], Operations: ['96-36=60'] Exploring Operation: 90-60=30, Resulting Numbers: [64, 30] Generated Node #0,1,0: 58:[64, 30] Operation: 90-60=30 Exploring Operation: 90-64=26, Resulting Numbers: [60, 26] Generated Node #0,1,1: 58:[60, 26] Operation: 90-64=26 Exploring Operation: 64-60=4, Resulting Numbers: [90, 4] Generated Node #0,1,2: 58:[90, 4] Operation: 64-60=4 Moving to Node #0,0 Current State: 58:[36, 90, 32], Operations: ['96-64=32'] Exploring Operation: 36-32=4, Resulting Numbers: [90, 4] Generated Node #0,0,0: 58:[90, 4] Operation: 36-32=4 Exploring Operation: 90-32=58, Resulting Numbers: [36, 58] Generated Node #0,0,1: 58:[36, 58] Operation: 90-32=58 Exploring Operation: 90-36=54, Resulting Numbers: [32, 54] Generated Node #0,0,2: 58:[32, 54] Operation: 90-36=54 Moving to Node #0,2,0 Current State: 58:[6, 28], Operations: ['96-90=6', '64-36=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,58 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[60, 26], Operations: ['96-36=60', '90-64=26'] Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,58 unequal: No Solution Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[64, 30], Operations: ['96-90=6', '36-6=30'] Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,58 unequal: No Solution Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,58 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[36, 58], Operations: ['96-64=32', '90-32=58'] Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,58 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[32, 54], Operations: ['96-64=32', '90-36=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,58 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[64, 30], Operations: ['96-36=60', '90-60=30'] Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,58 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[36, 58], Operations: ['96-90=6', '64-6=58'] Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,58 unequal: No Solution Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[90, 4], Operations: ['96-64=32', '36-32=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,58 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[90, 4], Operations: ['96-36=60', '64-60=4'] Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,58 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,58 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 18, 94, 20 ]
50
[ "6+18=24", "94-20=74", "74-24=50" ]
Current State: 50:[6, 18, 94, 20], Operations: [] Exploring Operation: 6+18=24, Resulting Numbers: [94, 20, 24] Generated Node #2: [94, 20, 24] from Operation: 6+18=24 Current State: 50:[94, 20, 24], Operations: ['6+18=24'] Exploring Operation: 94-20=74, Resulting Numbers: [24, 74] Generated Node #3: [24, 74] from Operation: 94-20=74 Current State: 50:[24, 74], Operations: ['6+18=24', '94-20=74'] Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 18, 94, 20], Operations: [] Exploring Operation: 94-18=76, Resulting Numbers: [6, 20, 76] Generated Node #0,0: 50:[6, 20, 76] Operation: 94-18=76 Exploring Operation: 94-20=74, Resulting Numbers: [6, 18, 74] Generated Node #0,1: 50:[6, 18, 74] Operation: 94-20=74 Exploring Operation: 20-18=2, Resulting Numbers: [6, 94, 2] Generated Node #0,2: 50:[6, 94, 2] Operation: 20-18=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[6, 20, 76], Operations: ['94-18=76'] Exploring Operation: 6+20=26, Resulting Numbers: [76, 26] Generated Node #0,0,0: 50:[76, 26] Operation: 6+20=26 Exploring Operation: 76-6=70, Resulting Numbers: [20, 70] Generated Node #0,0,1: 50:[20, 70] Operation: 76-6=70 Exploring Operation: 76-20=56, Resulting Numbers: [6, 56] Generated Node #0,0,2: 50:[6, 56] Operation: 76-20=56 Moving to Node #0,0,2 Current State: 50:[6, 56], Operations: ['94-18=76', '76-20=56'] Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,50 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[6, 18, 94, 20], Operations: [] Exploring Operation: 94-18=76, Resulting Numbers: [6, 20, 76] Generated Node #0,0: 50:[6, 20, 76] Operation: 94-18=76 Moving to Node #0,0 Current State: 50:[6, 20, 76], Operations: ['94-18=76'] Exploring Operation: 76-20=56, Resulting Numbers: [6, 56] Generated Node #0,0,2: 50:[6, 56] Operation: 76-20=56 Moving to Node #0,0,2 Current State: 50:[6, 56], Operations: ['94-18=76', '76-20=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 34, 12, 9, 20 ]
51
[ "34-12=22", "9+20=29", "22+29=51" ]
Current State: 51:[34, 12, 9, 20], Operations: [] Exploring Operation: 34-12=22, Resulting Numbers: [9, 20, 22] Generated Node #2: [9, 20, 22] from Operation: 34-12=22 Current State: 51:[9, 20, 22], Operations: ['34-12=22'] Exploring Operation: 9+20=29, Resulting Numbers: [22, 29] Generated Node #3: [22, 29] from Operation: 9+20=29 Current State: 51:[22, 29], Operations: ['34-12=22', '9+20=29'] Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[34, 12, 9, 20], Operations: [] Exploring Operation: 34+12=46, Resulting Numbers: [9, 20, 46] Generated Node #0,0: 51:[9, 20, 46] Operation: 34+12=46 Exploring Operation: 34-12=22, Resulting Numbers: [9, 20, 22] Generated Node #0,1: 51:[9, 20, 22] Operation: 34-12=22 Exploring Operation: 34+20=54, Resulting Numbers: [12, 9, 54] Generated Node #0,2: 51:[12, 9, 54] Operation: 34+20=54 Moving to Node #0,0 Current State: 51:[9, 20, 46], Operations: ['34+12=46'] Exploring Operation: 9+46=55, Resulting Numbers: [20, 55] Generated Node #0,0,0: 51:[20, 55] Operation: 9+46=55 Exploring Operation: 46-20=26, Resulting Numbers: [9, 26] Generated Node #0,0,1: 51:[9, 26] Operation: 46-20=26 Exploring Operation: 20-9=11, Resulting Numbers: [46, 11] Generated Node #0,0,2: 51:[46, 11] Operation: 20-9=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[20, 55], Operations: ['34+12=46', '9+46=55'] Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 20+55=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 20*55=1100, Resulting Numbers: [1100] 1100,51 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 #0,0,2 Current State: 51:[46, 11], Operations: ['34+12=46', '20-9=11'] Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,51 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[9, 26], Operations: ['34+12=46', '46-20=26'] Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,51 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: 51:[9, 20, 22], Operations: ['34-12=22'] Exploring Operation: 22-9=13, Resulting Numbers: [20, 13] Generated Node #0,1,0: 51:[20, 13] Operation: 22-9=13 Exploring Operation: 20-9=11, Resulting Numbers: [22, 11] Generated Node #0,1,1: 51:[22, 11] Operation: 20-9=11 Exploring Operation: 22-20=2, Resulting Numbers: [9, 2] Generated Node #0,1,2: 51:[9, 2] Operation: 22-20=2 Moving to Node #0,2 Current State: 51:[12, 9, 54], Operations: ['34+20=54'] Exploring Operation: 54/9=6, Resulting Numbers: [12, 6] Generated Node #0,2,0: 51:[12, 6] Operation: 54/9=6 Exploring Operation: 12+9=21, Resulting Numbers: [54, 21] Generated Node #0,2,1: 51:[54, 21] Operation: 12+9=21 Exploring Operation: 12-9=3, Resulting Numbers: [54, 3] Generated Node #0,2,2: 51:[54, 3] Operation: 12-9=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 51:[54, 3], Operations: ['34+20=54', '12-9=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[34, 12, 9, 20], Operations: [] Exploring Operation: 34+20=54, Resulting Numbers: [12, 9, 54] Generated Node #0,2: 51:[12, 9, 54] Operation: 34+20=54 Moving to Node #0,2 Current State: 51:[12, 9, 54], Operations: ['34+20=54'] Exploring Operation: 12-9=3, Resulting Numbers: [54, 3] Generated Node #0,2,2: 51:[54, 3] Operation: 12-9=3 Moving to Node #0,2,2 Current State: 51:[54, 3], Operations: ['34+20=54', '12-9=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 43, 39, 2, 38 ]
60
[ "43+39=82", "38+82=120", "120/2=60" ]
Current State: 60:[43, 39, 2, 38], Operations: [] Exploring Operation: 43+39=82, Resulting Numbers: [2, 38, 82] Generated Node #2: [2, 38, 82] from Operation: 43+39=82 Current State: 60:[2, 38, 82], Operations: ['43+39=82'] Exploring Operation: 38+82=120, Resulting Numbers: [2, 120] Generated Node #3: [2, 120] from Operation: 38+82=120 Current State: 60:[2, 120], Operations: ['43+39=82', '38+82=120'] Exploring Operation: 120/2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[43, 39, 2, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [39, 2, 5] Generated Node #0,0: 60:[39, 2, 5] Operation: 43-38=5 Exploring Operation: 39-38=1, Resulting Numbers: [43, 2, 1] Generated Node #0,1: 60:[43, 2, 1] Operation: 39-38=1 Exploring Operation: 43-39=4, Resulting Numbers: [2, 38, 4] Generated Node #0,2: 60:[2, 38, 4] Operation: 43-39=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[2, 38, 4], Operations: ['43-39=4'] Exploring Operation: 38-4=34, Resulting Numbers: [2, 34] Generated Node #0,2,0: 60:[2, 34] Operation: 38-4=34 Exploring Operation: 38/2=19, Resulting Numbers: [4, 19] Generated Node #0,2,1: 60:[4, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [4, 36] Generated Node #0,2,2: 60:[4, 36] Operation: 38-2=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[4, 19], Operations: ['43-39=4', '38/2=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,60 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 #0,2,0 Current State: 60:[2, 34], Operations: ['43-39=4', '38-4=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,60 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 #0,2,2 Current State: 60:[4, 36], Operations: ['43-39=4', '38-2=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,60 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 #0,0 Current State: 60:[39, 2, 5], Operations: ['43-38=5'] Exploring Operation: 39-2=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 60:[5, 37] Operation: 39-2=37 Exploring Operation: 39-5=34, Resulting Numbers: [2, 34] Generated Node #0,0,1: 60:[2, 34] Operation: 39-5=34 Exploring Operation: 2*5=10, Resulting Numbers: [39, 10] Generated Node #0,0,2: 60:[39, 10] Operation: 2*5=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[2, 34], Operations: ['43-38=5', '39-5=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,60 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 #0,0,0 Current State: 60:[5, 37], Operations: ['43-38=5', '39-2=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,60 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,60 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 #0,0,2 Current State: 60:[39, 10], Operations: ['43-38=5', '2*5=10'] Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,60 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,60 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,60 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:[43, 2, 1], Operations: ['39-38=1'] Exploring Operation: 43*1=43, Resulting Numbers: [2, 43] Generated Node #0,1,0: 60:[2, 43] Operation: 43*1=43 Exploring Operation: 43-1=42, Resulting Numbers: [2, 42] Generated Node #0,1,1: 60:[2, 42] Operation: 43-1=42 Exploring Operation: 43-2=41, Resulting Numbers: [1, 41] Generated Node #0,1,2: 60:[1, 41] Operation: 43-2=41 Moving to Node #0,1,1 Current State: 60:[2, 42], Operations: ['39-38=1', '43-1=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[1, 41], Operations: ['39-38=1', '43-2=41'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[2, 43], Operations: ['39-38=1', '43*1=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,60 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
[ 18, 2, 72, 23 ]
62
[ "72-18=54", "54-23=31", "2*31=62" ]
Current State: 62:[18, 2, 72, 23], Operations: [] Exploring Operation: 72-18=54, Resulting Numbers: [2, 23, 54] Generated Node #2: [2, 23, 54] from Operation: 72-18=54 Current State: 62:[2, 23, 54], Operations: ['72-18=54'] Exploring Operation: 54-23=31, Resulting Numbers: [2, 31] Generated Node #3: [2, 31] from Operation: 54-23=31 Current State: 62:[2, 31], Operations: ['72-18=54', '54-23=31'] Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[18, 2, 72, 23], Operations: [] Exploring Operation: 18+23=41, Resulting Numbers: [2, 72, 41] Generated Node #0,0: 62:[2, 72, 41] Operation: 18+23=41 Exploring Operation: 72/18=4, Resulting Numbers: [2, 23, 4] Generated Node #0,1: 62:[2, 23, 4] Operation: 72/18=4 Exploring Operation: 72-18=54, Resulting Numbers: [2, 23, 54] Generated Node #0,2: 62:[2, 23, 54] Operation: 72-18=54 Exploring Operation: 23-18=5, Resulting Numbers: [2, 72, 5] Generated Node #0,3: 62:[2, 72, 5] Operation: 23-18=5 Moving to Node #0,1 Current State: 62:[2, 23, 4], Operations: ['72/18=4'] Exploring Operation: 2+23=25, Resulting Numbers: [4, 25] Generated Node #0,1,0: 62:[4, 25] Operation: 2+23=25 Exploring Operation: 4/2=2, Resulting Numbers: [23, 2] Generated Node #0,1,1: 62:[23, 2] Operation: 4/2=2 Exploring Operation: 4-2=2, Resulting Numbers: [23, 2] Generated Node #0,1,2: 62:[23, 2] Operation: 4-2=2 Exploring Operation: 23+4=27, Resulting Numbers: [2, 27] Generated Node #0,1,3: 62:[2, 27] Operation: 23+4=27 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[2, 27], Operations: ['72/18=4', '23+4=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,62 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,62 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 #0,1,0 Current State: 62:[4, 25], Operations: ['72/18=4', '2+23=25'] Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,62 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,62 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:[23, 2], Operations: ['72/18=4', '4/2=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,62 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,62 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:[23, 2], Operations: ['72/18=4', '4-2=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,62 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: 62:[2, 72, 5], Operations: ['23-18=5'] Exploring Operation: 72-2=70, Resulting Numbers: [5, 70] Generated Node #0,3,0: 62:[5, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [5, 36] Generated Node #0,3,1: 62:[5, 36] Operation: 72/2=36 Exploring Operation: 5-2=3, Resulting Numbers: [72, 3] Generated Node #0,3,2: 62:[72, 3] Operation: 5-2=3 Exploring Operation: 72-5=67, Resulting Numbers: [2, 67] Generated Node #0,3,3: 62:[2, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[2, 67], Operations: ['23-18=5', '72-5=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,62 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,62 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 #0,3,1 Current State: 62:[5, 36], Operations: ['23-18=5', '72/2=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,62 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,62 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 #0,3,0 Current State: 62:[5, 70], Operations: ['23-18=5', '72-2=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,62 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,62 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 #0,3,2 Current State: 62:[72, 3], Operations: ['23-18=5', '5-2=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,62 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,62 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: 62:[2, 23, 54], Operations: ['72-18=54'] Exploring Operation: 54-23=31, Resulting Numbers: [2, 31] Generated Node #0,2,0: 62:[2, 31] Operation: 54-23=31 Exploring Operation: 54/2=27, Resulting Numbers: [23, 27] Generated Node #0,2,1: 62:[23, 27] Operation: 54/2=27 Exploring Operation: 2+54=56, Resulting Numbers: [23, 56] Generated Node #0,2,2: 62:[23, 56] Operation: 2+54=56 Exploring Operation: 2+23=25, Resulting Numbers: [54, 25] Generated Node #0,2,3: 62:[54, 25] Operation: 2+23=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[2, 31], Operations: ['72-18=54', '54-23=31'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[18, 2, 72, 23], Operations: [] Exploring Operation: 72-18=54, Resulting Numbers: [2, 23, 54] Generated Node #0,2: 62:[2, 23, 54] Operation: 72-18=54 Moving to Node #0,2 Current State: 62:[2, 23, 54], Operations: ['72-18=54'] Exploring Operation: 54-23=31, Resulting Numbers: [2, 31] Generated Node #0,2,0: 62:[2, 31] Operation: 54-23=31 Moving to Node #0,2,0 Current State: 62:[2, 31], Operations: ['72-18=54', '54-23=31'] Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_4
mult_heuristic
[ 39, 13, 44, 48 ]
11
[ "39+13=52", "52-48=4", "44/4=11" ]
Current State: 11:[39, 13, 44, 48], Operations: [] Exploring Operation: 39+13=52, Resulting Numbers: [44, 48, 52] Generated Node #2: [44, 48, 52] from Operation: 39+13=52 Current State: 11:[44, 48, 52], Operations: ['39+13=52'] Exploring Operation: 52-48=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 52-48=4 Current State: 11:[44, 4], Operations: ['39+13=52', '52-48=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[39, 13, 44, 48], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [44, 48, 3] Generated Node #0,0: 11:[44, 48, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [44, 48, 26] Generated Node #0,1: 11:[44, 48, 26] Operation: 39-13=26 Exploring Operation: 48-44=4, Resulting Numbers: [39, 13, 4] Generated Node #0,2: 11:[39, 13, 4] Operation: 48-44=4 Exploring Operation: 48-39=9, Resulting Numbers: [13, 44, 9] Generated Node #0,3: 11:[13, 44, 9] Operation: 48-39=9 Exploring Operation: 44-39=5, Resulting Numbers: [13, 48, 5] Generated Node #0,4: 11:[13, 48, 5] Operation: 44-39=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[39, 13, 4], Operations: ['48-44=4'] Exploring Operation: 39-13=26, Resulting Numbers: [4, 26] Generated Node #0,2,0: 11:[4, 26] Operation: 39-13=26 Exploring Operation: 39-4=35, Resulting Numbers: [13, 35] Generated Node #0,2,1: 11:[13, 35] Operation: 39-4=35 Exploring Operation: 13-4=9, Resulting Numbers: [39, 9] Generated Node #0,2,2: 11:[39, 9] Operation: 13-4=9 Exploring Operation: 39+4=43, Resulting Numbers: [13, 43] Generated Node #0,2,3: 11:[13, 43] Operation: 39+4=43 Exploring Operation: 39/13=3, Resulting Numbers: [4, 3] Generated Node #0,2,4: 11:[4, 3] Operation: 39/13=3 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 11:[4, 3], Operations: ['48-44=4', '39/13=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,11 unequal: No Solution No 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: 11:[4, 26], Operations: ['48-44=4', '39-13=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,11 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,11 unequal: No Solution No 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: 11:[13, 35], Operations: ['48-44=4', '39-4=35'] Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,11 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,11 unequal: No Solution No 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: 11:[39, 9], Operations: ['48-44=4', '13-4=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,11 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,11 unequal: No Solution No 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: 11:[13, 43], Operations: ['48-44=4', '39+4=43'] Exploring Operation: 13+43=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 13*43=559, Resulting Numbers: [559] 559,11 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[13, 44, 9], Operations: ['48-39=9'] Exploring Operation: 13-9=4, Resulting Numbers: [44, 4] Generated Node #0,3,0: 11:[44, 4] Operation: 13-9=4 Exploring Operation: 44-9=35, Resulting Numbers: [13, 35] Generated Node #0,3,1: 11:[13, 35] Operation: 44-9=35 Exploring Operation: 44-13=31, Resulting Numbers: [9, 31] Generated Node #0,3,2: 11:[9, 31] Operation: 44-13=31 Exploring Operation: 44+9=53, Resulting Numbers: [13, 53] Generated Node #0,3,3: 11:[13, 53] Operation: 44+9=53 Exploring Operation: 13+9=22, Resulting Numbers: [44, 22] Generated Node #0,3,4: 11:[44, 22] Operation: 13+9=22 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 11:[9, 31], Operations: ['48-39=9', '44-13=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,11 unequal: No Solution No 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: 11:[13, 35], Operations: ['48-39=9', '44-9=35'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,11 unequal: No Solution No 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: 11:[44, 4], Operations: ['48-39=9', '13-9=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[39, 13, 44, 48], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [13, 44, 9] Generated Node #0,3: 11:[13, 44, 9] Operation: 48-39=9 Moving to Node #0,3 Current State: 11:[13, 44, 9], Operations: ['48-39=9'] Exploring Operation: 13-9=4, Resulting Numbers: [44, 4] Generated Node #0,3,0: 11:[44, 4] Operation: 13-9=4 Moving to Node #0,3,0 Current State: 11:[44, 4], Operations: ['48-39=9', '13-9=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 25, 95, 74, 22 ]
25
[ "95-74=21", "22-21=1", "25*1=25" ]
Current State: 25:[25, 95, 74, 22], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [25, 22, 21] Generated Node #2: [25, 22, 21] from Operation: 95-74=21 Current State: 25:[25, 22, 21], Operations: ['95-74=21'] Exploring Operation: 22-21=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 22-21=1 Current State: 25:[25, 1], Operations: ['95-74=21', '22-21=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[25, 95, 74, 22], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [25, 22, 21] Generated Node #0,0: 25:[25, 22, 21] Operation: 95-74=21 Exploring Operation: 95-25=70, Resulting Numbers: [74, 22, 70] Generated Node #0,1: 25:[74, 22, 70] Operation: 95-25=70 Exploring Operation: 74-25=49, Resulting Numbers: [95, 22, 49] Generated Node #0,2: 25:[95, 22, 49] Operation: 74-25=49 Moving to Node #0,0 Current State: 25:[25, 22, 21], Operations: ['95-74=21'] Exploring Operation: 25-21=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 25:[22, 4] Operation: 25-21=4 Exploring Operation: 22-21=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 25:[25, 1] Operation: 22-21=1 Exploring Operation: 25-22=3, Resulting Numbers: [21, 3] Generated Node #0,0,2: 25:[21, 3] Operation: 25-22=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[22, 4], Operations: ['95-74=21', '25-21=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[25, 1], Operations: ['95-74=21', '22-21=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[25, 95, 74, 22], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [25, 22, 21] Generated Node #0,0: 25:[25, 22, 21] Operation: 95-74=21 Moving to Node #0,0 Current State: 25:[25, 22, 21], Operations: ['95-74=21'] Exploring Operation: 22-21=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 25:[25, 1] Operation: 22-21=1 Moving to Node #0,0,1 Current State: 25:[25, 1], Operations: ['95-74=21', '22-21=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 12, 56, 40, 11 ]
17
[ "12+56=68", "40+11=51", "68-51=17" ]
Current State: 17:[12, 56, 40, 11], Operations: [] Exploring Operation: 12+56=68, Resulting Numbers: [40, 11, 68] Generated Node #2: [40, 11, 68] from Operation: 12+56=68 Current State: 17:[40, 11, 68], Operations: ['12+56=68'] Exploring Operation: 40+11=51, Resulting Numbers: [68, 51] Generated Node #3: [68, 51] from Operation: 40+11=51 Current State: 17:[68, 51], Operations: ['12+56=68', '40+11=51'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[12, 56, 40, 11], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [12, 11, 16] Generated Node #0,0: 17:[12, 11, 16] Operation: 56-40=16 Exploring Operation: 40-12=28, Resulting Numbers: [56, 11, 28] Generated Node #0,1: 17:[56, 11, 28] Operation: 40-12=28 Exploring Operation: 56-11=45, Resulting Numbers: [12, 40, 45] Generated Node #0,2: 17:[12, 40, 45] Operation: 56-11=45 Exploring Operation: 56-12=44, Resulting Numbers: [40, 11, 44] Generated Node #0,3: 17:[40, 11, 44] Operation: 56-12=44 Moving to Node #0,0 Current State: 17:[12, 11, 16], Operations: ['56-40=16'] Exploring Operation: 12-11=1, Resulting Numbers: [16, 1] Generated Node #0,0,0: 17:[16, 1] Operation: 12-11=1 Exploring Operation: 12+11=23, Resulting Numbers: [16, 23] Generated Node #0,0,1: 17:[16, 23] Operation: 12+11=23 Exploring Operation: 11+16=27, Resulting Numbers: [12, 27] Generated Node #0,0,2: 17:[12, 27] Operation: 11+16=27 Exploring Operation: 12+16=28, Resulting Numbers: [11, 28] Generated Node #0,0,3: 17:[11, 28] Operation: 12+16=28 Moving to Node #0,2 Current State: 17:[12, 40, 45], Operations: ['56-11=45'] Exploring Operation: 45-12=33, Resulting Numbers: [40, 33] Generated Node #0,2,0: 17:[40, 33] Operation: 45-12=33 Exploring Operation: 40-12=28, Resulting Numbers: [45, 28] Generated Node #0,2,1: 17:[45, 28] Operation: 40-12=28 Exploring Operation: 45-40=5, Resulting Numbers: [12, 5] Generated Node #0,2,2: 17:[12, 5] Operation: 45-40=5 Exploring Operation: 12+40=52, Resulting Numbers: [45, 52] Generated Node #0,2,3: 17:[45, 52] Operation: 12+40=52 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[12, 5], Operations: ['56-11=45', '45-40=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,17 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[12, 56, 40, 11], Operations: [] Exploring Operation: 56-11=45, Resulting Numbers: [12, 40, 45] Generated Node #0,2: 17:[12, 40, 45] Operation: 56-11=45 Moving to Node #0,2 Current State: 17:[12, 40, 45], Operations: ['56-11=45'] Exploring Operation: 45-40=5, Resulting Numbers: [12, 5] Generated Node #0,2,2: 17:[12, 5] Operation: 45-40=5 Moving to Node #0,2,2 Current State: 17:[12, 5], Operations: ['56-11=45', '45-40=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 42, 34, 5, 75 ]
62
[ "42-34=8", "75-5=70", "70-8=62" ]
Current State: 62:[42, 34, 5, 75], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [5, 75, 8] Generated Node #2: [5, 75, 8] from Operation: 42-34=8 Current State: 62:[5, 75, 8], Operations: ['42-34=8'] Exploring Operation: 75-5=70, Resulting Numbers: [8, 70] Generated Node #3: [8, 70] from Operation: 75-5=70 Current State: 62:[8, 70], Operations: ['42-34=8', '75-5=70'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[42, 34, 5, 75], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [5, 75, 8] Generated Node #0,0: 62:[5, 75, 8] Operation: 42-34=8 Exploring Operation: 75-42=33, Resulting Numbers: [34, 5, 33] Generated Node #0,1: 62:[34, 5, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 62:[34, 5, 33], Operations: ['75-42=33'] Exploring Operation: 34-33=1, Resulting Numbers: [5, 1] Generated Node #0,1,0: 62:[5, 1] Operation: 34-33=1 Exploring Operation: 34-5=29, Resulting Numbers: [33, 29] Generated Node #0,1,1: 62:[33, 29] Operation: 34-5=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[5, 1], Operations: ['75-42=33', '34-33=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,62 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:[33, 29], Operations: ['75-42=33', '34-5=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[42, 34, 5, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [34, 5, 33] Generated Node #0,1: 62:[34, 5, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 62:[34, 5, 33], Operations: ['75-42=33'] Exploring Operation: 34-5=29, Resulting Numbers: [33, 29] Generated Node #0,1,1: 62:[33, 29] Operation: 34-5=29 Moving to Node #0,1,1 Current State: 62:[33, 29], Operations: ['75-42=33', '34-5=29'] Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 76, 85, 39, 13 ]
43
[ "85-76=9", "39+13=52", "52-9=43" ]
Current State: 43:[76, 85, 39, 13], Operations: [] Exploring Operation: 85-76=9, Resulting Numbers: [39, 13, 9] Generated Node #2: [39, 13, 9] from Operation: 85-76=9 Current State: 43:[39, 13, 9], Operations: ['85-76=9'] Exploring Operation: 39+13=52, Resulting Numbers: [9, 52] Generated Node #3: [9, 52] from Operation: 39+13=52 Current State: 43:[9, 52], Operations: ['85-76=9', '39+13=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[76, 85, 39, 13], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [76, 39, 72] Generated Node #0,0: 43:[76, 39, 72] Operation: 85-13=72 Exploring Operation: 85-39=46, Resulting Numbers: [76, 13, 46] Generated Node #0,1: 43:[76, 13, 46] Operation: 85-39=46 Exploring Operation: 85-76=9, Resulting Numbers: [39, 13, 9] Generated Node #0,2: 43:[39, 13, 9] Operation: 85-76=9 Exploring Operation: 76-13=63, Resulting Numbers: [85, 39, 63] Generated Node #0,3: 43:[85, 39, 63] Operation: 76-13=63 Moving to Node #0,0 Current State: 43:[76, 39, 72], Operations: ['85-13=72'] Exploring Operation: 76+39=115, Resulting Numbers: [72, 115] Generated Node #0,0,0: 43:[72, 115] Operation: 76+39=115 Exploring Operation: 76-39=37, Resulting Numbers: [72, 37] Generated Node #0,0,1: 43:[72, 37] Operation: 76-39=37 Exploring Operation: 72-39=33, Resulting Numbers: [76, 33] Generated Node #0,0,2: 43:[76, 33] Operation: 72-39=33 Exploring Operation: 76-72=4, Resulting Numbers: [39, 4] Generated Node #0,0,3: 43:[39, 4] Operation: 76-72=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[72, 37], Operations: ['85-13=72', '76-39=37'] Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,43 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[76, 33], Operations: ['85-13=72', '72-39=33'] Exploring Operation: 76*33=2508, Resulting Numbers: [2508] 2508,43 unequal: No Solution Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[76, 85, 39, 13], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [76, 39, 72] Generated Node #0,0: 43:[76, 39, 72] Operation: 85-13=72 Moving to Node #0,0 Current State: 43:[76, 39, 72], Operations: ['85-13=72'] Exploring Operation: 72-39=33, Resulting Numbers: [76, 33] Generated Node #0,0,2: 43:[76, 33] Operation: 72-39=33 Moving to Node #0,0,2 Current State: 43:[76, 33], Operations: ['85-13=72', '72-39=33'] Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 21, 49, 70, 91 ]
91
[ "21+49=70", "70+91=161", "161-70=91" ]
Current State: 91:[21, 49, 70, 91], Operations: [] Exploring Operation: 21+49=70, Resulting Numbers: [70, 91, 70] Generated Node #2: [70, 91, 70] from Operation: 21+49=70 Current State: 91:[70, 91, 70], Operations: ['21+49=70'] Exploring Operation: 70+91=161, Resulting Numbers: [161] 161,91 equal: Goal Reached Exploring Operation: 161-70=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[21, 49, 70, 91], Operations: [] Exploring Operation: 21+70=91, Resulting Numbers: [49, 91, 91] Generated Node #0,0: 91:[49, 91, 91] Operation: 21+70=91 Exploring Operation: 49-21=28, Resulting Numbers: [70, 91, 28] Generated Node #0,1: 91:[70, 91, 28] Operation: 49-21=28 Exploring Operation: 70-49=21, Resulting Numbers: [21, 91, 21] Generated Node #0,2: 91:[21, 91, 21] Operation: 70-49=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[21, 91, 21], Operations: ['70-49=21'] Exploring Operation: 21+91=112, Resulting Numbers: [21, 112] Generated Node #0,2,0: 91:[21, 112] Operation: 21+91=112 Exploring Operation: 21-21=0, Resulting Numbers: [91, 0] Generated Node #0,2,1: 91:[91, 0] Operation: 21-21=0 Exploring Operation: 21/21=1, Resulting Numbers: [91, 1] Generated Node #0,2,2: 91:[91, 1] Operation: 21/21=1 Moving to Node #0,2,2 Current State: 91:[91, 1], Operations: ['70-49=21', '21/21=1'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[21, 49, 70, 91], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [21, 91, 21] Generated Node #0,2: 91:[21, 91, 21] Operation: 70-49=21 Moving to Node #0,2 Current State: 91:[21, 91, 21], Operations: ['70-49=21'] Exploring Operation: 21/21=1, Resulting Numbers: [91, 1] Generated Node #0,2,2: 91:[91, 1] Operation: 21/21=1 Moving to Node #0,2,2 Current State: 91:[91, 1], Operations: ['70-49=21', '21/21=1'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 95, 10, 75, 85 ]
93
[ "95+85=180", "180/10=18", "75+18=93" ]
Current State: 93:[95, 10, 75, 85], Operations: [] Exploring Operation: 95+85=180, Resulting Numbers: [10, 75, 180] Generated Node #2: [10, 75, 180] from Operation: 95+85=180 Current State: 93:[10, 75, 180], Operations: ['95+85=180'] Exploring Operation: 180/10=18, Resulting Numbers: [75, 18] Generated Node #3: [75, 18] from Operation: 180/10=18 Current State: 93:[75, 18], Operations: ['95+85=180', '180/10=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[95, 10, 75, 85], Operations: [] Exploring Operation: 10+75=85, Resulting Numbers: [95, 85, 85] Generated Node #0,0: 93:[95, 85, 85] Operation: 10+75=85 Exploring Operation: 85-75=10, Resulting Numbers: [95, 10, 10] Generated Node #0,1: 93:[95, 10, 10] Operation: 85-75=10 Exploring Operation: 95-75=20, Resulting Numbers: [10, 85, 20] Generated Node #0,2: 93:[10, 85, 20] Operation: 95-75=20 Exploring Operation: 10+85=95, Resulting Numbers: [95, 75, 95] Generated Node #0,3: 93:[95, 75, 95] Operation: 10+85=95 Moving to Node #0,1 Current State: 93:[95, 10, 10], Operations: ['85-75=10'] Exploring Operation: 10*10=100, Resulting Numbers: [95, 100] Generated Node #0,1,0: 93:[95, 100] Operation: 10*10=100 Exploring Operation: 10+10=20, Resulting Numbers: [95, 20] Generated Node #0,1,1: 93:[95, 20] Operation: 10+10=20 Exploring Operation: 10-10=0, Resulting Numbers: [95, 0] Generated Node #0,1,2: 93:[95, 0] Operation: 10-10=0 Exploring Operation: 10/10=1, Resulting Numbers: [95, 1] Generated Node #0,1,3: 93:[95, 1] Operation: 10/10=1 Moving to Node #0,0 Current State: 93:[95, 85, 85], Operations: ['10+75=85'] Exploring Operation: 85-85=0, Resulting Numbers: [95, 0] Generated Node #0,0,0: 93:[95, 0] Operation: 85-85=0 Exploring Operation: 85/85=1, Resulting Numbers: [95, 1] Generated Node #0,0,1: 93:[95, 1] Operation: 85/85=1 Exploring Operation: 95-85=10, Resulting Numbers: [85, 10] Generated Node #0,0,2: 93:[85, 10] Operation: 95-85=10 Exploring Operation: 95-85=10, Resulting Numbers: [85, 10] Generated Node #0,0,3: 93:[85, 10] Operation: 95-85=10 Moving to Node #0,3 Current State: 93:[95, 75, 95], Operations: ['10+85=95'] Exploring Operation: 95-75=20, Resulting Numbers: [95, 20] Generated Node #0,3,0: 93:[95, 20] Operation: 95-75=20 Exploring Operation: 95/95=1, Resulting Numbers: [75, 1] Generated Node #0,3,1: 93:[75, 1] Operation: 95/95=1 Exploring Operation: 95-75=20, Resulting Numbers: [95, 20] Generated Node #0,3,2: 93:[95, 20] Operation: 95-75=20 Exploring Operation: 95-95=0, Resulting Numbers: [75, 0] Generated Node #0,3,3: 93:[75, 0] Operation: 95-95=0 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[95, 20], Operations: ['10+85=95', '95-75=20'] Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,93 unequal: No Solution Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[95, 20], Operations: ['10+85=95', '95-75=20'] Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,93 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[75, 1], Operations: ['10+85=95', '95/95=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,93 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,93 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[75, 0], Operations: ['10+85=95', '95-95=0'] Exploring Operation: 75*0=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 75-0=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 75+0=75, Resulting Numbers: [75] 75,93 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: 93:[10, 85, 20], Operations: ['95-75=20'] Exploring Operation: 10+85=95, Resulting Numbers: [20, 95] Generated Node #0,2,0: 93:[20, 95] Operation: 10+85=95 Exploring Operation: 20-10=10, Resulting Numbers: [85, 10] Generated Node #0,2,1: 93:[85, 10] Operation: 20-10=10 Exploring Operation: 10+20=30, Resulting Numbers: [85, 30] Generated Node #0,2,2: 93:[85, 30] Operation: 10+20=30 Exploring Operation: 20/10=2, Resulting Numbers: [85, 2] Generated Node #0,2,3: 93:[85, 2] Operation: 20/10=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[85, 30], Operations: ['95-75=20', '10+20=30'] Exploring Operation: 85*30=2550, Resulting Numbers: [2550] 2550,93 unequal: No Solution Exploring Operation: 85+30=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[85, 2], Operations: ['95-75=20', '20/10=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[20, 95], Operations: ['95-75=20', '10+85=95'] Exploring Operation: 20*95=1900, Resulting Numbers: [1900] 1900,93 unequal: No Solution Exploring Operation: 20+95=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[85, 10], Operations: ['95-75=20', '20-10=10'] Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 93:[95, 1], Operations: ['85-75=10', '10/10=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,93 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[95, 1], Operations: ['10+75=85', '85/85=1'] Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,93 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[95, 0], Operations: ['10+75=85', '85-85=0'] Exploring Operation: 95*0=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[95, 0], Operations: ['85-75=10', '10-10=0'] Exploring Operation: 95*0=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[95, 100], Operations: ['85-75=10', '10*10=100'] Exploring Operation: 95+100=195, Resulting Numbers: [195] 195,93 unequal: No Solution Exploring Operation: 95*100=9500, Resulting Numbers: [9500] 9500,93 unequal: No Solution Exploring Operation: 100-95=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[95, 20], Operations: ['85-75=10', '10+10=20'] Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,93 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[85, 10], Operations: ['10+75=85', '95-85=10'] Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,93 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[85, 10], Operations: ['10+75=85', '95-85=10'] Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,93 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 35, 60, 89, 10 ]
60
[ "35+60=95", "95-89=6", "10*6=60" ]
Current State: 60:[35, 60, 89, 10], Operations: [] Exploring Operation: 35+60=95, Resulting Numbers: [89, 10, 95] Generated Node #2: [89, 10, 95] from Operation: 35+60=95 Current State: 60:[89, 10, 95], Operations: ['35+60=95'] Exploring Operation: 95-89=6, Resulting Numbers: [10, 6] Generated Node #3: [10, 6] from Operation: 95-89=6 Current State: 60:[10, 6], Operations: ['35+60=95', '95-89=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[35, 60, 89, 10], Operations: [] Exploring Operation: 89-10=79, Resulting Numbers: [35, 60, 79] Generated Node #0,0: 60:[35, 60, 79] Operation: 89-10=79 Exploring Operation: 89-35=54, Resulting Numbers: [60, 10, 54] Generated Node #0,1: 60:[60, 10, 54] Operation: 89-35=54 Exploring Operation: 60-35=25, Resulting Numbers: [89, 10, 25] Generated Node #0,2: 60:[89, 10, 25] Operation: 60-35=25 Exploring Operation: 89-60=29, Resulting Numbers: [35, 10, 29] Generated Node #0,3: 60:[35, 10, 29] Operation: 89-60=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[60, 10, 54], Operations: ['89-35=54'] Exploring Operation: 60/10=6, Resulting Numbers: [54, 6] Generated Node #0,1,0: 60:[54, 6] Operation: 60/10=6 Exploring Operation: 10+54=64, Resulting Numbers: [60, 64] Generated Node #0,1,1: 60:[60, 64] Operation: 10+54=64 Exploring Operation: 54-10=44, Resulting Numbers: [60, 44] Generated Node #0,1,2: 60:[60, 44] Operation: 54-10=44 Exploring Operation: 60-54=6, Resulting Numbers: [10, 6] Generated Node #0,1,3: 60:[10, 6] Operation: 60-54=6 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 60:[10, 6], Operations: ['89-35=54', '60-54=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[35, 60, 89, 10], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [60, 10, 54] Generated Node #0,1: 60:[60, 10, 54] Operation: 89-35=54 Moving to Node #0,1 Current State: 60:[60, 10, 54], Operations: ['89-35=54'] Exploring Operation: 60-54=6, Resulting Numbers: [10, 6] Generated Node #0,1,3: 60:[10, 6] Operation: 60-54=6 Moving to Node #0,1,3 Current State: 60:[10, 6], Operations: ['89-35=54', '60-54=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 32, 49, 62, 27 ]
46
[ "32+49=81", "62-27=35", "81-35=46" ]
Current State: 46:[32, 49, 62, 27], Operations: [] Exploring Operation: 32+49=81, Resulting Numbers: [62, 27, 81] Generated Node #2: [62, 27, 81] from Operation: 32+49=81 Current State: 46:[62, 27, 81], Operations: ['32+49=81'] Exploring Operation: 62-27=35, Resulting Numbers: [81, 35] Generated Node #3: [81, 35] from Operation: 62-27=35 Current State: 46:[81, 35], Operations: ['32+49=81', '62-27=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[32, 49, 62, 27], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [49, 27, 30] Generated Node #0,0: 46:[49, 27, 30] Operation: 62-32=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[49, 27, 30], Operations: ['62-32=30'] Exploring Operation: 30-27=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 30-27=3 Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['62-32=30', '30-27=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[32, 49, 62, 27], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [49, 27, 30] Generated Node #0,0: 46:[49, 27, 30] Operation: 62-32=30 Moving to Node #0,0 Current State: 46:[49, 27, 30], Operations: ['62-32=30'] Exploring Operation: 30-27=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 30-27=3 Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['62-32=30', '30-27=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 63, 61, 87, 12 ]
63
[ "63-61=2", "12*2=24", "87-24=63" ]
Current State: 63:[63, 61, 87, 12], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [87, 12, 2] Generated Node #2: [87, 12, 2] from Operation: 63-61=2 Current State: 63:[87, 12, 2], Operations: ['63-61=2'] Exploring Operation: 12*2=24, Resulting Numbers: [87, 24] Generated Node #3: [87, 24] from Operation: 12*2=24 Current State: 63:[87, 24], Operations: ['63-61=2', '12*2=24'] Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[63, 61, 87, 12], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [61, 12, 24] Generated Node #0,0: 63:[61, 12, 24] Operation: 87-63=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[61, 12, 24], Operations: ['87-63=24'] Exploring Operation: 24/12=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 63:[61, 2] Operation: 24/12=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[61, 2], Operations: ['87-63=24', '24/12=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[63, 61, 87, 12], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [61, 12, 24] Generated Node #0,0: 63:[61, 12, 24] Operation: 87-63=24 Moving to Node #0,0 Current State: 63:[61, 12, 24], Operations: ['87-63=24'] Exploring Operation: 24/12=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 63:[61, 2] Operation: 24/12=2 Moving to Node #0,0,0 Current State: 63:[61, 2], Operations: ['87-63=24', '24/12=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 43, 17, 8, 51 ]
54
[ "43+8=51", "51/17=3", "51+3=54" ]
Current State: 54:[43, 17, 8, 51], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [17, 51, 51] Generated Node #2: [17, 51, 51] from Operation: 43+8=51 Current State: 54:[17, 51, 51], Operations: ['43+8=51'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,54 equal: Goal Reached Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[43, 17, 8, 51], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [17, 51, 51] Generated Node #0,0: 54:[17, 51, 51] Operation: 43+8=51 Exploring Operation: 51-43=8, Resulting Numbers: [17, 8, 8] Generated Node #0,1: 54:[17, 8, 8] Operation: 51-43=8 Exploring Operation: 43+17=60, Resulting Numbers: [8, 51, 60] Generated Node #0,2: 54:[8, 51, 60] Operation: 43+17=60 Exploring Operation: 43-17=26, Resulting Numbers: [8, 51, 26] Generated Node #0,3: 54:[8, 51, 26] Operation: 43-17=26 Moving to Node #0,1 Current State: 54:[17, 8, 8], Operations: ['51-43=8'] Exploring Operation: 17-8=9, Resulting Numbers: [8, 9] Generated Node #0,1,0: 54:[8, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [8, 25] Generated Node #0,1,1: 54:[8, 25] Operation: 17+8=25 Exploring Operation: 17-8=9, Resulting Numbers: [8, 9] Generated Node #0,1,2: 54:[8, 9] Operation: 17-8=9 Exploring Operation: 8/8=1, Resulting Numbers: [17, 1] Generated Node #0,1,3: 54:[17, 1] Operation: 8/8=1 Moving to Node #0,3 Current State: 54:[8, 51, 26], Operations: ['43-17=26'] Exploring Operation: 8+26=34, Resulting Numbers: [51, 34] Generated Node #0,3,0: 54:[51, 34] Operation: 8+26=34 Exploring Operation: 51-26=25, Resulting Numbers: [8, 25] Generated Node #0,3,1: 54:[8, 25] Operation: 51-26=25 Exploring Operation: 8+51=59, Resulting Numbers: [26, 59] Generated Node #0,3,2: 54:[26, 59] Operation: 8+51=59 Exploring Operation: 26-8=18, Resulting Numbers: [51, 18] Generated Node #0,3,3: 54:[51, 18] Operation: 26-8=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 54:[8, 25], Operations: ['43-17=26', '51-26=25'] Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,54 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,54 unequal: No Solution No 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: 54:[51, 18], Operations: ['43-17=26', '26-8=18'] Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,54 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,54 unequal: No Solution Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,54 unequal: No Solution No 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: 54:[26, 59], Operations: ['43-17=26', '8+51=59'] Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,54 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,54 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,54 unequal: No Solution No 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: 54:[51, 34], Operations: ['43-17=26', '8+26=34'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 51*34=1734, Resulting Numbers: [1734] 1734,54 unequal: No Solution Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,54 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: 54:[17, 51, 51], Operations: ['43+8=51'] Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,0,0: 54:[51, 3] Operation: 51/17=3 Exploring Operation: 51-51=0, Resulting Numbers: [17, 0] Generated Node #0,0,1: 54:[17, 0] Operation: 51-51=0 Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,0,2: 54:[51, 3] Operation: 51/17=3 Exploring Operation: 51/51=1, Resulting Numbers: [17, 1] Generated Node #0,0,3: 54:[17, 1] Operation: 51/51=1 Moving to Node #0,2 Current State: 54:[8, 51, 60], Operations: ['43+17=60'] Exploring Operation: 8+51=59, Resulting Numbers: [60, 59] Generated Node #0,2,0: 54:[60, 59] Operation: 8+51=59 Exploring Operation: 60-51=9, Resulting Numbers: [8, 9] Generated Node #0,2,1: 54:[8, 9] Operation: 60-51=9 Exploring Operation: 51-8=43, Resulting Numbers: [60, 43] Generated Node #0,2,2: 54:[60, 43] Operation: 51-8=43 Exploring Operation: 60-8=52, Resulting Numbers: [51, 52] Generated Node #0,2,3: 54:[51, 52] Operation: 60-8=52 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[8, 9], Operations: ['43+17=60', '60-51=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,54 unequal: No Solution No 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: 54:[51, 52], Operations: ['43+17=60', '60-8=52'] Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 51*52=2652, Resulting Numbers: [2652] 2652,54 unequal: No Solution Exploring Operation: 51+52=103, Resulting Numbers: [103] 103,54 unequal: No Solution No 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: 54:[60, 59], Operations: ['43+17=60', '8+51=59'] Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,54 unequal: No Solution Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,54 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,54 unequal: No Solution No 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: 54:[60, 43], Operations: ['43+17=60', '51-8=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 60+43=103, Resulting Numbers: [103] 103,54 unequal: No Solution Exploring Operation: 60*43=2580, Resulting Numbers: [2580] 2580,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 54:[8, 9], Operations: ['51-43=8', '17-8=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[8, 9], Operations: ['51-43=8', '17-8=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[17, 1], Operations: ['51-43=8', '8/8=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[17, 1], Operations: ['43+8=51', '51/51=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[51, 3], Operations: ['43+8=51', '51/17=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[43, 17, 8, 51], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [17, 51, 51] Generated Node #0,0: 54:[17, 51, 51] Operation: 43+8=51 Moving to Node #0,0 Current State: 54:[17, 51, 51], Operations: ['43+8=51'] Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,0,0: 54:[51, 3] Operation: 51/17=3 Moving to Node #0,0,0 Current State: 54:[51, 3], Operations: ['43+8=51', '51/17=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 1, 78, 70, 12 ]
88
[ "12-1=11", "78-70=8", "11*8=88" ]
Current State: 88:[1, 78, 70, 12], Operations: [] Exploring Operation: 12-1=11, Resulting Numbers: [78, 70, 11] Generated Node #2: [78, 70, 11] from Operation: 12-1=11 Current State: 88:[78, 70, 11], Operations: ['12-1=11'] Exploring Operation: 78-70=8, Resulting Numbers: [11, 8] Generated Node #3: [11, 8] from Operation: 78-70=8 Current State: 88:[11, 8], Operations: ['12-1=11', '78-70=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[1, 78, 70, 12], Operations: [] Exploring Operation: 78+12=90, Resulting Numbers: [1, 70, 90] Generated Node #0,0: 88:[1, 70, 90] Operation: 78+12=90 Exploring Operation: 78-70=8, Resulting Numbers: [1, 12, 8] Generated Node #0,1: 88:[1, 12, 8] Operation: 78-70=8 Exploring Operation: 70+12=82, Resulting Numbers: [1, 78, 82] Generated Node #0,2: 88:[1, 78, 82] Operation: 70+12=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[1, 12, 8], Operations: ['78-70=8'] Exploring Operation: 12-1=11, Resulting Numbers: [8, 11] Generated Node #0,1,0: 88:[8, 11] Operation: 12-1=11 Exploring Operation: 1*12=12, Resulting Numbers: [8, 12] Generated Node #0,1,1: 88:[8, 12] Operation: 1*12=12 Exploring Operation: 12/1=12, Resulting Numbers: [8, 12] Generated Node #0,1,2: 88:[8, 12] Operation: 12/1=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[8, 11], Operations: ['78-70=8', '12-1=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[1, 78, 70, 12], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [1, 12, 8] Generated Node #0,1: 88:[1, 12, 8] Operation: 78-70=8 Moving to Node #0,1 Current State: 88:[1, 12, 8], Operations: ['78-70=8'] Exploring Operation: 12-1=11, Resulting Numbers: [8, 11] Generated Node #0,1,0: 88:[8, 11] Operation: 12-1=11 Moving to Node #0,1,0 Current State: 88:[8, 11], Operations: ['78-70=8', '12-1=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 64, 30, 11, 57 ]
19
[ "64+57=121", "121/11=11", "30-11=19" ]
Current State: 19:[64, 30, 11, 57], Operations: [] Exploring Operation: 64+57=121, Resulting Numbers: [30, 11, 121] Generated Node #2: [30, 11, 121] from Operation: 64+57=121 Current State: 19:[30, 11, 121], Operations: ['64+57=121'] Exploring Operation: 121/11=11, Resulting Numbers: [30, 11] Generated Node #3: [30, 11] from Operation: 121/11=11 Current State: 19:[30, 11], Operations: ['64+57=121', '121/11=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[64, 30, 11, 57], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [30, 11, 7] Generated Node #0,0: 19:[30, 11, 7] Operation: 64-57=7 Moving to Node #0,0 Current State: 19:[30, 11, 7], Operations: ['64-57=7'] Exploring Operation: 30-11=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 19:[7, 19] Operation: 30-11=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[7, 19], Operations: ['64-57=7', '30-11=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,19 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
[ 49, 33, 86, 27 ]
97
[ "49-33=16", "86+27=113", "113-16=97" ]
Current State: 97:[49, 33, 86, 27], Operations: [] Exploring Operation: 49-33=16, Resulting Numbers: [86, 27, 16] Generated Node #2: [86, 27, 16] from Operation: 49-33=16 Current State: 97:[86, 27, 16], Operations: ['49-33=16'] Exploring Operation: 86+27=113, Resulting Numbers: [16, 113] Generated Node #3: [16, 113] from Operation: 86+27=113 Current State: 97:[16, 113], Operations: ['49-33=16', '86+27=113'] Exploring Operation: 113-16=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[49, 33, 86, 27], Operations: [] Exploring Operation: 49+33=82, Resulting Numbers: [86, 27, 82] Generated Node #0,0: 97:[86, 27, 82] Operation: 49+33=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[86, 27, 82], Operations: ['49+33=82'] Exploring Operation: 27+82=109, Resulting Numbers: [86, 109] Generated Node #0,0,0: 97:[86, 109] Operation: 27+82=109 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[86, 109], Operations: ['49+33=82', '27+82=109'] Exploring Operation: 109-86=23, Resulting Numbers: [23] 23,97 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_1
sum_heuristic
[ 64, 2, 85, 72 ]
38
[ "85-72=13", "2*13=26", "64-26=38" ]
Current State: 38:[64, 2, 85, 72], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [64, 2, 13] Generated Node #2: [64, 2, 13] from Operation: 85-72=13 Current State: 38:[64, 2, 13], Operations: ['85-72=13'] Exploring Operation: 2*13=26, Resulting Numbers: [64, 26] Generated Node #3: [64, 26] from Operation: 2*13=26 Current State: 38:[64, 26], Operations: ['85-72=13', '2*13=26'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[64, 2, 85, 72], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [2, 72, 21] Generated Node #0,0: 38:[2, 72, 21] Operation: 85-64=21 Exploring Operation: 85-72=13, Resulting Numbers: [64, 2, 13] Generated Node #0,1: 38:[64, 2, 13] Operation: 85-72=13 Exploring Operation: 72-64=8, Resulting Numbers: [2, 85, 8] Generated Node #0,2: 38:[2, 85, 8] Operation: 72-64=8 Exploring Operation: 72/2=36, Resulting Numbers: [64, 85, 36] Generated Node #0,3: 38:[64, 85, 36] Operation: 72/2=36 Moving to Node #0,1 Current State: 38:[64, 2, 13], Operations: ['85-72=13'] Exploring Operation: 64-2=62, Resulting Numbers: [13, 62] Generated Node #0,1,0: 38:[13, 62] Operation: 64-2=62 Exploring Operation: 64-13=51, Resulting Numbers: [2, 51] Generated Node #0,1,1: 38:[2, 51] Operation: 64-13=51 Exploring Operation: 2+13=15, Resulting Numbers: [64, 15] Generated Node #0,1,2: 38:[64, 15] Operation: 2+13=15 Exploring Operation: 64/2=32, Resulting Numbers: [13, 32] Generated Node #0,1,3: 38:[13, 32] Operation: 64/2=32 Moving to Node #0,0 Current State: 38:[2, 72, 21], Operations: ['85-64=21'] Exploring Operation: 72-2=70, Resulting Numbers: [21, 70] Generated Node #0,0,0: 38:[21, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [21, 36] Generated Node #0,0,1: 38:[21, 36] Operation: 72/2=36 Exploring Operation: 21-2=19, Resulting Numbers: [72, 19] Generated Node #0,0,2: 38:[72, 19] Operation: 21-2=19 Exploring Operation: 72-21=51, Resulting Numbers: [2, 51] Generated Node #0,0,3: 38:[2, 51] Operation: 72-21=51 Moving to Node #0,2 Current State: 38:[2, 85, 8], Operations: ['72-64=8'] Exploring Operation: 2*8=16, Resulting Numbers: [85, 16] Generated Node #0,2,0: 38:[85, 16] Operation: 2*8=16 Exploring Operation: 85-2=83, Resulting Numbers: [8, 83] Generated Node #0,2,1: 38:[8, 83] Operation: 85-2=83 Exploring Operation: 85-8=77, Resulting Numbers: [2, 77] Generated Node #0,2,2: 38:[2, 77] Operation: 85-8=77 Exploring Operation: 8/2=4, Resulting Numbers: [85, 4] Generated Node #0,2,3: 38:[85, 4] Operation: 8/2=4 Moving to Node #0,3 Current State: 38:[64, 85, 36], Operations: ['72/2=36'] Exploring Operation: 85-64=21, Resulting Numbers: [36, 21] Generated Node #0,3,0: 38:[36, 21] Operation: 85-64=21 Exploring Operation: 85-36=49, Resulting Numbers: [64, 49] Generated Node #0,3,1: 38:[64, 49] Operation: 85-36=49 Exploring Operation: 64-36=28, Resulting Numbers: [85, 28] Generated Node #0,3,2: 38:[85, 28] Operation: 64-36=28 Exploring Operation: 64+36=100, Resulting Numbers: [85, 100] Generated Node #0,3,3: 38:[85, 100] Operation: 64+36=100 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 38:[36, 21], Operations: ['72/2=36', '85-64=21'] Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,38 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 38:[64, 49], Operations: ['72/2=36', '85-36=49'] Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,38 unequal: No Solution Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,38 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 38:[85, 28], Operations: ['72/2=36', '64-36=28'] Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,38 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 38:[85, 100], Operations: ['72/2=36', '64+36=100'] Exploring Operation: 100-85=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 85+100=185, Resulting Numbers: [185] 185,38 unequal: No Solution Exploring Operation: 85*100=8500, Resulting Numbers: [8500] 8500,38 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: 38:[21, 36], Operations: ['85-64=21', '72/2=36'] Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,38 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[13, 32], Operations: ['85-72=13', '64/2=32'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 13*32=416, Resulting Numbers: [416] 416,38 unequal: No Solution Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[2, 51], Operations: ['85-64=21', '72-21=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[2, 51], Operations: ['85-72=13', '64-13=51'] Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,38 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[13, 62], Operations: ['85-72=13', '64-2=62'] Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 13*62=806, Resulting Numbers: [806] 806,38 unequal: No Solution Exploring Operation: 13+62=75, Resulting Numbers: [75] 75,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[64, 15], Operations: ['85-72=13', '2+13=15'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 64*15=960, Resulting Numbers: [960] 960,38 unequal: No Solution Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[21, 70], Operations: ['85-64=21', '72-2=70'] Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 21*70=1470, Resulting Numbers: [1470] 1470,38 unequal: No Solution Exploring Operation: 21+70=91, Resulting Numbers: [91] 91,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[72, 19], Operations: ['85-64=21', '21-2=19'] Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,38 unequal: No Solution Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,38 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[2, 77], Operations: ['72-64=8', '85-8=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,38 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[85, 4], Operations: ['72-64=8', '8/2=4'] Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,38 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[85, 16], Operations: ['72-64=8', '2*8=16'] Exploring Operation: 85*16=1360, Resulting Numbers: [1360] 1360,38 unequal: No Solution Exploring Operation: 85-16=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 85+16=101, Resulting Numbers: [101] 101,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[8, 83], Operations: ['72-64=8', '85-2=83'] Exploring Operation: 8+83=91, Resulting Numbers: [91] 91,38 unequal: No Solution Exploring Operation: 8*83=664, Resulting Numbers: [664] 664,38 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,38 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 34, 38, 20, 17 ]
22
[ "38-34=4", "20/4=5", "17+5=22" ]
Current State: 22:[34, 38, 20, 17], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [20, 17, 4] Generated Node #2: [20, 17, 4] from Operation: 38-34=4 Current State: 22:[20, 17, 4], Operations: ['38-34=4'] Exploring Operation: 20/4=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 20/4=5 Current State: 22:[17, 5], Operations: ['38-34=4', '20/4=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[34, 38, 20, 17], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [20, 17, 4] Generated Node #0,0: 22:[20, 17, 4] Operation: 38-34=4 Exploring Operation: 38-17=21, Resulting Numbers: [34, 20, 21] Generated Node #0,1: 22:[34, 20, 21] Operation: 38-17=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[20, 17, 4], Operations: ['38-34=4'] Exploring Operation: 20-17=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 22:[4, 3] Operation: 20-17=3 Exploring Operation: 17+4=21, Resulting Numbers: [20, 21] Generated Node #0,0,1: 22:[20, 21] Operation: 17+4=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[4, 3], Operations: ['38-34=4', '20-17=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,22 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 #0,0,1 Current State: 22:[20, 21], Operations: ['38-34=4', '17+4=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,22 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 #0,1 Current State: 22:[34, 20, 21], Operations: ['38-17=21'] Exploring Operation: 34-21=13, Resulting Numbers: [20, 13] Generated Node #0,1,0: 22:[20, 13] Operation: 34-21=13 Exploring Operation: 34-20=14, Resulting Numbers: [21, 14] Generated Node #0,1,1: 22:[21, 14] Operation: 34-20=14 Moving to Node #0,1,0 Current State: 22:[20, 13], Operations: ['38-17=21', '34-21=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,22 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[21, 14], Operations: ['38-17=21', '34-20=14'] Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,22 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
[ 17, 28, 20, 52 ]
77
[ "17+28=45", "52-20=32", "45+32=77" ]
Current State: 77:[17, 28, 20, 52], Operations: [] Exploring Operation: 17+28=45, Resulting Numbers: [20, 52, 45] Generated Node #2: [20, 52, 45] from Operation: 17+28=45 Current State: 77:[20, 52, 45], Operations: ['17+28=45'] Exploring Operation: 52-20=32, Resulting Numbers: [45, 32] Generated Node #3: [45, 32] from Operation: 52-20=32 Current State: 77:[45, 32], Operations: ['17+28=45', '52-20=32'] Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[17, 28, 20, 52], Operations: [] Exploring Operation: 28+52=80, Resulting Numbers: [17, 20, 80] Generated Node #0,0: 77:[17, 20, 80] Operation: 28+52=80 Exploring Operation: 52-28=24, Resulting Numbers: [17, 20, 24] Generated Node #0,1: 77:[17, 20, 24] Operation: 52-28=24 Moving to Node #0,0 Current State: 77:[17, 20, 80], Operations: ['28+52=80'] Exploring Operation: 20-17=3, Resulting Numbers: [80, 3] Generated Node #0,0,0: 77:[80, 3] Operation: 20-17=3 Exploring Operation: 80/20=4, Resulting Numbers: [17, 4] Generated Node #0,0,1: 77:[17, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[80, 3], Operations: ['28+52=80', '20-17=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[17, 28, 20, 52], Operations: [] Exploring Operation: 28+52=80, Resulting Numbers: [17, 20, 80] Generated Node #0,0: 77:[17, 20, 80] Operation: 28+52=80 Moving to Node #0,0 Current State: 77:[17, 20, 80], Operations: ['28+52=80'] Exploring Operation: 20-17=3, Resulting Numbers: [80, 3] Generated Node #0,0,0: 77:[80, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 77:[80, 3], Operations: ['28+52=80', '20-17=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 22, 49, 87, 25 ]
89
[ "49-22=27", "87-25=62", "27+62=89" ]
Current State: 89:[22, 49, 87, 25], Operations: [] Exploring Operation: 49-22=27, Resulting Numbers: [87, 25, 27] Generated Node #2: [87, 25, 27] from Operation: 49-22=27 Current State: 89:[87, 25, 27], Operations: ['49-22=27'] Exploring Operation: 87-25=62, Resulting Numbers: [27, 62] Generated Node #3: [27, 62] from Operation: 87-25=62 Current State: 89:[27, 62], Operations: ['49-22=27', '87-25=62'] Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[22, 49, 87, 25], Operations: [] Exploring Operation: 22+49=71, Resulting Numbers: [87, 25, 71] Generated Node #0,0: 89:[87, 25, 71] Operation: 22+49=71 Moving to Node #0,0 Current State: 89:[87, 25, 71], Operations: ['22+49=71'] Exploring Operation: 25+71=96, Resulting Numbers: [87, 96] Generated Node #0,0,0: 89:[87, 96] Operation: 25+71=96 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[87, 96], Operations: ['22+49=71', '25+71=96'] Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,89 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
[ 94, 5, 61, 60 ]
19
[ "94+61=155", "155-60=95", "95/5=19" ]
Current State: 19:[94, 5, 61, 60], Operations: [] Exploring Operation: 94+61=155, Resulting Numbers: [5, 60, 155] Generated Node #2: [5, 60, 155] from Operation: 94+61=155 Current State: 19:[5, 60, 155], Operations: ['94+61=155'] Exploring Operation: 155-60=95, Resulting Numbers: [5, 95] Generated Node #3: [5, 95] from Operation: 155-60=95 Current State: 19:[5, 95], Operations: ['94+61=155', '155-60=95'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[94, 5, 61, 60], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [5, 61, 34] Generated Node #0,0: 19:[5, 61, 34] Operation: 94-60=34 Exploring Operation: 94-61=33, Resulting Numbers: [5, 60, 33] Generated Node #0,1: 19:[5, 60, 33] Operation: 94-61=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[5, 60, 33], Operations: ['94-61=33'] Exploring Operation: 60/5=12, Resulting Numbers: [33, 12] Generated Node #0,1,0: 19:[33, 12] Operation: 60/5=12 Exploring Operation: 60-33=27, Resulting Numbers: [5, 27] Generated Node #0,1,1: 19:[5, 27] Operation: 60-33=27 Moving to Node #0,1,0 Current State: 19:[33, 12], Operations: ['94-61=33', '60/5=12'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[5, 27], Operations: ['94-61=33', '60-33=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[5, 61, 34], Operations: ['94-60=34'] Exploring Operation: 61-34=27, Resulting Numbers: [5, 27] Generated Node #0,0,0: 19:[5, 27] Operation: 61-34=27 Exploring Operation: 61-5=56, Resulting Numbers: [34, 56] Generated Node #0,0,1: 19:[34, 56] Operation: 61-5=56 Moving to Node #0,0,0 Current State: 19:[5, 27], Operations: ['94-60=34', '61-34=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[34, 56], Operations: ['94-60=34', '61-5=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,19 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 12, 41, 11, 6 ]
47
[ "12-11=1", "41+6=47", "1*47=47" ]
Current State: 47:[12, 41, 11, 6], Operations: [] Exploring Operation: 12-11=1, Resulting Numbers: [41, 6, 1] Generated Node #2: [41, 6, 1] from Operation: 12-11=1 Current State: 47:[41, 6, 1], Operations: ['12-11=1'] Exploring Operation: 41+6=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 41+6=47 Current State: 47:[1, 47], Operations: ['12-11=1', '41+6=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[12, 41, 11, 6], Operations: [] Exploring Operation: 12*6=72, Resulting Numbers: [41, 11, 72] Generated Node #0,0: 47:[41, 11, 72] Operation: 12*6=72 Exploring Operation: 11*6=66, Resulting Numbers: [12, 41, 66] Generated Node #0,1: 47:[12, 41, 66] Operation: 11*6=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[12, 41, 66], Operations: ['11*6=66'] Exploring Operation: 66-12=54, Resulting Numbers: [41, 54] Generated Node #0,1,0: 47:[41, 54] Operation: 66-12=54 Exploring Operation: 12+41=53, Resulting Numbers: [66, 53] Generated Node #0,1,1: 47:[66, 53] Operation: 12+41=53 Moving to Node #0,1,0 Current State: 47:[41, 54], Operations: ['11*6=66', '66-12=54'] Exploring Operation: 54-41=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 41+54=95, Resulting Numbers: [95] 95,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[66, 53], Operations: ['11*6=66', '12+41=53'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,47 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 Current State: 47:[41, 11, 72], Operations: ['12*6=72'] Exploring Operation: 41+11=52, Resulting Numbers: [72, 52] Generated Node #0,0,0: 47:[72, 52] Operation: 41+11=52 Exploring Operation: 72-11=61, Resulting Numbers: [41, 61] Generated Node #0,0,1: 47:[41, 61] Operation: 72-11=61 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[41, 61], Operations: ['12*6=72', '72-11=61'] Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,47 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[72, 52], Operations: ['12*6=72', '41+11=52'] Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,47 unequal: No Solution Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,47 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 No solution found.
0
hs_2
mult_heuristic
[ 72, 61, 92, 5 ]
98
[ "72-61=11", "92-5=87", "11+87=98" ]
Current State: 98:[72, 61, 92, 5], Operations: [] Exploring Operation: 72-61=11, Resulting Numbers: [92, 5, 11] Generated Node #2: [92, 5, 11] from Operation: 72-61=11 Current State: 98:[92, 5, 11], Operations: ['72-61=11'] Exploring Operation: 92-5=87, Resulting Numbers: [11, 87] Generated Node #3: [11, 87] from Operation: 92-5=87 Current State: 98:[11, 87], Operations: ['72-61=11', '92-5=87'] Exploring Operation: 11+87=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[72, 61, 92, 5], Operations: [] Exploring Operation: 72-5=67, Resulting Numbers: [61, 92, 67] Generated Node #0,0: 98:[61, 92, 67] Operation: 72-5=67 Exploring Operation: 92-72=20, Resulting Numbers: [61, 5, 20] Generated Node #0,1: 98:[61, 5, 20] Operation: 92-72=20 Exploring Operation: 72-61=11, Resulting Numbers: [92, 5, 11] Generated Node #0,2: 98:[92, 5, 11] Operation: 72-61=11 Moving to Node #0,2 Current State: 98:[92, 5, 11], Operations: ['72-61=11'] Exploring Operation: 92+11=103, Resulting Numbers: [5, 103] Generated Node #0,2,0: 98:[5, 103] Operation: 92+11=103 Exploring Operation: 92+5=97, Resulting Numbers: [11, 97] Generated Node #0,2,1: 98:[11, 97] Operation: 92+5=97 Exploring Operation: 11-5=6, Resulting Numbers: [92, 6] Generated Node #0,2,2: 98:[92, 6] Operation: 11-5=6 Moving to Node #0,1 Current State: 98:[61, 5, 20], Operations: ['92-72=20'] Exploring Operation: 61-5=56, Resulting Numbers: [20, 56] Generated Node #0,1,0: 98:[20, 56] Operation: 61-5=56 Exploring Operation: 61-20=41, Resulting Numbers: [5, 41] Generated Node #0,1,1: 98:[5, 41] Operation: 61-20=41 Exploring Operation: 20-5=15, Resulting Numbers: [61, 15] Generated Node #0,1,2: 98:[61, 15] Operation: 20-5=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[5, 41], Operations: ['92-72=20', '61-20=41'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,98 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[20, 56], Operations: ['92-72=20', '61-5=56'] Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[61, 15], Operations: ['92-72=20', '20-5=15'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,98 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: 98:[61, 92, 67], Operations: ['72-5=67'] Exploring Operation: 67-61=6, Resulting Numbers: [92, 6] Generated Node #0,0,0: 98:[92, 6] Operation: 67-61=6 Exploring Operation: 92-67=25, Resulting Numbers: [61, 25] Generated Node #0,0,1: 98:[61, 25] Operation: 92-67=25 Exploring Operation: 92-61=31, Resulting Numbers: [67, 31] Generated Node #0,0,2: 98:[67, 31] Operation: 92-61=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[92, 6], Operations: ['72-5=67', '67-61=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,98 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[72, 61, 92, 5], Operations: [] Exploring Operation: 72-5=67, Resulting Numbers: [61, 92, 67] Generated Node #0,0: 98:[61, 92, 67] Operation: 72-5=67 Moving to Node #0,0 Current State: 98:[61, 92, 67], Operations: ['72-5=67'] Exploring Operation: 67-61=6, Resulting Numbers: [92, 6] Generated Node #0,0,0: 98:[92, 6] Operation: 67-61=6 Moving to Node #0,0,0 Current State: 98:[92, 6], Operations: ['72-5=67', '67-61=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic