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
[ 61, 50, 51, 55 ]
56
[ "61-50=11", "55/11=5", "51+5=56" ]
Current State: 56:[61, 50, 51, 55], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [51, 55, 11] Generated Node #2: [51, 55, 11] from Operation: 61-50=11 Current State: 56:[51, 55, 11], Operations: ['61-50=11'] Exploring Operation: 55/11=5, Resulting Numbers: [51, 5] Generated Node #3: [51, 5] from Operation: 55/11=5 Current State: 56:[51, 5], Operations: ['61-50=11', '55/11=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[61, 50, 51, 55], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [51, 55, 11] Generated Node #0,0: 56:[51, 55, 11] Operation: 61-50=11 Exploring Operation: 51-50=1, Resulting Numbers: [61, 55, 1] Generated Node #0,1: 56:[61, 55, 1] Operation: 51-50=1 Exploring Operation: 61-51=10, Resulting Numbers: [50, 55, 10] Generated Node #0,2: 56:[50, 55, 10] Operation: 61-51=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[61, 55, 1], Operations: ['51-50=1'] Exploring Operation: 61-55=6, Resulting Numbers: [1, 6] Generated Node #0,1,0: 56:[1, 6] Operation: 61-55=6 Exploring Operation: 55+1=56, Resulting Numbers: [61, 56] Generated Node #0,1,1: 56:[61, 56] Operation: 55+1=56 Exploring Operation: 61-1=60, Resulting Numbers: [55, 60] Generated Node #0,1,2: 56:[55, 60] Operation: 61-1=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[1, 6], Operations: ['51-50=1', '61-55=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,56 unequal: No Solution No 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: 56:[61, 56], Operations: ['51-50=1', '55+1=56'] Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,56 unequal: No Solution Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,56 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,56 unequal: No Solution No 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: 56:[55, 60], Operations: ['51-50=1', '61-1=60'] Exploring Operation: 55*60=3300, Resulting Numbers: [3300] 3300,56 unequal: No Solution Exploring Operation: 55+60=115, Resulting Numbers: [115] 115,56 unequal: No Solution Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,56 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: 56:[51, 55, 11], Operations: ['61-50=11'] Exploring Operation: 55-51=4, Resulting Numbers: [11, 4] Generated Node #0,0,0: 56:[11, 4] Operation: 55-51=4 Exploring Operation: 55/11=5, Resulting Numbers: [51, 5] Generated Node #0,0,1: 56:[51, 5] Operation: 55/11=5 Exploring Operation: 51+11=62, Resulting Numbers: [55, 62] Generated Node #0,0,2: 56:[55, 62] Operation: 51+11=62 Moving to Node #0,0,0 Current State: 56:[11, 4], Operations: ['61-50=11', '55-51=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,56 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[51, 5], Operations: ['61-50=11', '55/11=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[61, 50, 51, 55], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [51, 55, 11] Generated Node #0,0: 56:[51, 55, 11] Operation: 61-50=11 Moving to Node #0,0 Current State: 56:[51, 55, 11], Operations: ['61-50=11'] Exploring Operation: 55/11=5, Resulting Numbers: [51, 5] Generated Node #0,0,1: 56:[51, 5] Operation: 55/11=5 Moving to Node #0,0,1 Current State: 56:[51, 5], Operations: ['61-50=11', '55/11=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 27, 29, 36, 48 ]
60
[ "29-27=2", "48*2=96", "96-36=60" ]
Current State: 60:[27, 29, 36, 48], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [36, 48, 2] Generated Node #2: [36, 48, 2] from Operation: 29-27=2 Current State: 60:[36, 48, 2], Operations: ['29-27=2'] Exploring Operation: 48*2=96, Resulting Numbers: [36, 96] Generated Node #3: [36, 96] from Operation: 48*2=96 Current State: 60:[36, 96], Operations: ['29-27=2', '48*2=96'] Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[27, 29, 36, 48], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [27, 29, 12] Generated Node #0,0: 60:[27, 29, 12] Operation: 48-36=12 Exploring Operation: 48-29=19, Resulting Numbers: [27, 36, 19] Generated Node #0,1: 60:[27, 36, 19] Operation: 48-29=19 Exploring Operation: 48-27=21, Resulting Numbers: [29, 36, 21] Generated Node #0,2: 60:[29, 36, 21] Operation: 48-27=21 Exploring Operation: 36-27=9, Resulting Numbers: [29, 48, 9] Generated Node #0,3: 60:[29, 48, 9] Operation: 36-27=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[27, 29, 12], Operations: ['48-36=12'] Exploring Operation: 29-27=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 60:[12, 2] Operation: 29-27=2 Exploring Operation: 27+29=56, Resulting Numbers: [12, 56] Generated Node #0,0,1: 60:[12, 56] Operation: 27+29=56 Exploring Operation: 29-12=17, Resulting Numbers: [27, 17] Generated Node #0,0,2: 60:[27, 17] Operation: 29-12=17 Exploring Operation: 27-12=15, Resulting Numbers: [29, 15] Generated Node #0,0,3: 60:[29, 15] Operation: 27-12=15 Moving to Node #0,0,0 Current State: 60:[12, 2], Operations: ['48-36=12', '29-27=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,60 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[29, 15], Operations: ['48-36=12', '27-12=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,60 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[12, 56], Operations: ['48-36=12', '27+29=56'] Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,60 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[27, 17], Operations: ['48-36=12', '29-12=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,60 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 #0,2 Current State: 60:[29, 36, 21], Operations: ['48-27=21'] Exploring Operation: 36-21=15, Resulting Numbers: [29, 15] Generated Node #0,2,0: 60:[29, 15] Operation: 36-21=15 Exploring Operation: 29+36=65, Resulting Numbers: [21, 65] Generated Node #0,2,1: 60:[21, 65] Operation: 29+36=65 Exploring Operation: 36+21=57, Resulting Numbers: [29, 57] Generated Node #0,2,2: 60:[29, 57] Operation: 36+21=57 Exploring Operation: 36-29=7, Resulting Numbers: [21, 7] Generated Node #0,2,3: 60:[21, 7] Operation: 36-29=7 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[29, 15], Operations: ['48-27=21', '36-21=15'] Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,60 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,60 unequal: No Solution Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,60 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 #0,2,3 Current State: 60:[21, 7], Operations: ['48-27=21', '36-29=7'] Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,60 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,60 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:[29, 57], Operations: ['48-27=21', '36+21=57'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,60 unequal: No Solution Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,60 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:[21, 65], Operations: ['48-27=21', '29+36=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,60 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:[27, 36, 19], Operations: ['48-29=19'] Exploring Operation: 27+36=63, Resulting Numbers: [19, 63] Generated Node #0,1,0: 60:[19, 63] Operation: 27+36=63 Exploring Operation: 36-27=9, Resulting Numbers: [19, 9] Generated Node #0,1,1: 60:[19, 9] Operation: 36-27=9 Exploring Operation: 27-19=8, Resulting Numbers: [36, 8] Generated Node #0,1,2: 60:[36, 8] Operation: 27-19=8 Exploring Operation: 36-19=17, Resulting Numbers: [27, 17] Generated Node #0,1,3: 60:[27, 17] Operation: 36-19=17 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[19, 9], Operations: ['48-29=19', '36-27=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,60 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[19, 63], Operations: ['48-29=19', '27+36=63'] Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,60 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 #0,1,3 Current State: 60:[27, 17], Operations: ['48-29=19', '36-19=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,60 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:[36, 8], Operations: ['48-29=19', '27-19=8'] Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,60 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,60 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 #0,3 Current State: 60:[29, 48, 9], Operations: ['36-27=9'] Exploring Operation: 29-9=20, Resulting Numbers: [48, 20] Generated Node #0,3,0: 60:[48, 20] Operation: 29-9=20 Exploring Operation: 48-29=19, Resulting Numbers: [9, 19] Generated Node #0,3,1: 60:[9, 19] Operation: 48-29=19 Exploring Operation: 48-9=39, Resulting Numbers: [29, 39] Generated Node #0,3,2: 60:[29, 39] Operation: 48-9=39 Exploring Operation: 48+9=57, Resulting Numbers: [29, 57] Generated Node #0,3,3: 60:[29, 57] Operation: 48+9=57 Moving to Node #0,3,1 Current State: 60:[9, 19], Operations: ['36-27=9', '48-29=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[29, 57], Operations: ['36-27=9', '48+9=57'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,60 unequal: No Solution Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[29, 39], Operations: ['36-27=9', '48-9=39'] Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,60 unequal: No Solution Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[48, 20], Operations: ['36-27=9', '29-9=20'] Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 47, 3, 13, 3 ]
47
[ "3-3=0", "13*0=0", "47+0=47" ]
Current State: 47:[47, 3, 13, 3], Operations: [] Exploring Operation: 3-3=0, Resulting Numbers: [47, 13, 0] Generated Node #2: [47, 13, 0] from Operation: 3-3=0 Current State: 47:[47, 13, 0], Operations: ['3-3=0'] Exploring Operation: 13*0=0, Resulting Numbers: [47, 0] Generated Node #3: [47, 0] from Operation: 13*0=0 Current State: 47:[47, 0], Operations: ['3-3=0', '13*0=0'] Exploring Operation: 47+0=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[47, 3, 13, 3], Operations: [] Exploring Operation: 3*13=39, Resulting Numbers: [47, 3, 39] Generated Node #0,0: 47:[47, 3, 39] Operation: 3*13=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[47, 3, 39], Operations: ['3*13=39'] Exploring Operation: 3+39=42, Resulting Numbers: [47, 42] Generated Node #0,0,0: 47:[47, 42] Operation: 3+39=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[47, 42], Operations: ['3*13=39', '3+39=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,47 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_1
mult_heuristic
[ 20, 48, 36, 76 ]
79
[ "36-20=16", "48/16=3", "76+3=79" ]
Current State: 79:[20, 48, 36, 76], Operations: [] Exploring Operation: 36-20=16, Resulting Numbers: [48, 76, 16] Generated Node #2: [48, 76, 16] from Operation: 36-20=16 Current State: 79:[48, 76, 16], Operations: ['36-20=16'] Exploring Operation: 48/16=3, Resulting Numbers: [76, 3] Generated Node #3: [76, 3] from Operation: 48/16=3 Current State: 79:[76, 3], Operations: ['36-20=16', '48/16=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[20, 48, 36, 76], Operations: [] Exploring Operation: 20+48=68, Resulting Numbers: [36, 76, 68] Generated Node #0,0: 79:[36, 76, 68] Operation: 20+48=68 Exploring Operation: 20+36=56, Resulting Numbers: [48, 76, 56] Generated Node #0,1: 79:[48, 76, 56] Operation: 20+36=56 Moving to Node #0,0 Current State: 79:[36, 76, 68], Operations: ['20+48=68'] Exploring Operation: 36+76=112, Resulting Numbers: [68, 112] Generated Node #0,0,0: 79:[68, 112] Operation: 36+76=112 Exploring Operation: 36+68=104, Resulting Numbers: [76, 104] Generated Node #0,0,1: 79:[76, 104] Operation: 36+68=104 Moving to Node #0,1 Current State: 79:[48, 76, 56], Operations: ['20+36=56'] Exploring Operation: 48+76=124, Resulting Numbers: [56, 124] Generated Node #0,1,0: 79:[56, 124] Operation: 48+76=124 Exploring Operation: 48+56=104, Resulting Numbers: [76, 104] Generated Node #0,1,1: 79:[76, 104] Operation: 48+56=104 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[76, 104], Operations: ['20+36=56', '48+56=104'] Exploring Operation: 104-76=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 76+104=180, Resulting Numbers: [180] 180,79 unequal: No Solution No 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: 79:[56, 124], Operations: ['20+36=56', '48+76=124'] Exploring Operation: 56+124=180, Resulting Numbers: [180] 180,79 unequal: No Solution Exploring Operation: 124-56=68, Resulting Numbers: [68] 68,79 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: 79:[76, 104], Operations: ['20+48=68', '36+68=104'] Exploring Operation: 104-76=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 76+104=180, Resulting Numbers: [180] 180,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[68, 112], Operations: ['20+48=68', '36+76=112'] Exploring Operation: 112-68=44, Resulting Numbers: [44] 44,79 unequal: No Solution Exploring Operation: 68+112=180, Resulting Numbers: [180] 180,79 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 20, 13, 18, 65 ]
39
[ "20-18=2", "13+65=78", "78/2=39" ]
Current State: 39:[20, 13, 18, 65], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [13, 65, 2] Generated Node #2: [13, 65, 2] from Operation: 20-18=2 Current State: 39:[13, 65, 2], Operations: ['20-18=2'] Exploring Operation: 13+65=78, Resulting Numbers: [2, 78] Generated Node #3: [2, 78] from Operation: 13+65=78 Current State: 39:[2, 78], Operations: ['20-18=2', '13+65=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[20, 13, 18, 65], Operations: [] Exploring Operation: 65-20=45, Resulting Numbers: [13, 18, 45] Generated Node #0,0: 39:[13, 18, 45] Operation: 65-20=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[13, 18, 45], Operations: ['65-20=45'] Exploring Operation: 18-13=5, Resulting Numbers: [45, 5] Generated Node #0,0,0: 39:[45, 5] Operation: 18-13=5 Moving to Node #0,0,0 Current State: 39:[45, 5], Operations: ['65-20=45', '18-13=5'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 92, 35, 57, 31 ]
31
[ "92-35=57", "57+31=88", "88-57=31" ]
Current State: 31:[92, 35, 57, 31], Operations: [] Exploring Operation: 92-35=57, Resulting Numbers: [57, 31, 57] Generated Node #2: [57, 31, 57] from Operation: 92-35=57 Current State: 31:[57, 31, 57], Operations: ['92-35=57'] Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,31 equal: Goal Reached Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[92, 35, 57, 31], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [35, 31, 35] Generated Node #0,0: 31:[35, 31, 35] Operation: 92-57=35 Exploring Operation: 92-35=57, Resulting Numbers: [57, 31, 57] Generated Node #0,1: 31:[57, 31, 57] Operation: 92-35=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[35, 31, 35], Operations: ['92-57=35'] Exploring Operation: 35-31=4, Resulting Numbers: [35, 4] Generated Node #0,0,0: 31:[35, 4] Operation: 35-31=4 Exploring Operation: 35/35=1, Resulting Numbers: [31, 1] Generated Node #0,0,1: 31:[31, 1] Operation: 35/35=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[31, 1], Operations: ['92-57=35', '35/35=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[92, 35, 57, 31], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [35, 31, 35] Generated Node #0,0: 31:[35, 31, 35] Operation: 92-57=35 Moving to Node #0,0 Current State: 31:[35, 31, 35], Operations: ['92-57=35'] Exploring Operation: 35/35=1, Resulting Numbers: [31, 1] Generated Node #0,0,1: 31:[31, 1] Operation: 35/35=1 Moving to Node #0,0,1 Current State: 31:[31, 1], Operations: ['92-57=35', '35/35=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 10, 30, 7, 67 ]
88
[ "30/10=3", "7*3=21", "67+21=88" ]
Current State: 88:[10, 30, 7, 67], Operations: [] Exploring Operation: 30/10=3, Resulting Numbers: [7, 67, 3] Generated Node #2: [7, 67, 3] from Operation: 30/10=3 Current State: 88:[7, 67, 3], Operations: ['30/10=3'] Exploring Operation: 7*3=21, Resulting Numbers: [67, 21] Generated Node #3: [67, 21] from Operation: 7*3=21 Current State: 88:[67, 21], Operations: ['30/10=3', '7*3=21'] Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[10, 30, 7, 67], Operations: [] Exploring Operation: 67-30=37, Resulting Numbers: [10, 7, 37] Generated Node #0,0: 88:[10, 7, 37] Operation: 67-30=37 Exploring Operation: 30+67=97, Resulting Numbers: [10, 7, 97] Generated Node #0,1: 88:[10, 7, 97] Operation: 30+67=97 Exploring Operation: 67-10=57, Resulting Numbers: [30, 7, 57] Generated Node #0,2: 88:[30, 7, 57] Operation: 67-10=57 Exploring Operation: 10+67=77, Resulting Numbers: [30, 7, 77] Generated Node #0,3: 88:[30, 7, 77] Operation: 10+67=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[10, 7, 37], Operations: ['67-30=37'] Exploring Operation: 10+37=47, Resulting Numbers: [7, 47] Generated Node #0,0,0: 88:[7, 47] Operation: 10+37=47 Exploring Operation: 37-10=27, Resulting Numbers: [7, 27] Generated Node #0,0,1: 88:[7, 27] Operation: 37-10=27 Exploring Operation: 7+37=44, Resulting Numbers: [10, 44] Generated Node #0,0,2: 88:[10, 44] Operation: 7+37=44 Exploring Operation: 10-7=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 88:[37, 3] Operation: 10-7=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[10, 44], Operations: ['67-30=37', '7+37=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,88 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[7, 47], Operations: ['67-30=37', '10+37=47'] Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,88 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,88 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[7, 27], Operations: ['67-30=37', '37-10=27'] Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,88 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[37, 3], Operations: ['67-30=37', '10-7=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,88 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[10, 7, 97], Operations: ['30+67=97'] Exploring Operation: 10+7=17, Resulting Numbers: [97, 17] Generated Node #0,1,0: 88:[97, 17] Operation: 10+7=17 Exploring Operation: 97-10=87, Resulting Numbers: [7, 87] Generated Node #0,1,1: 88:[7, 87] Operation: 97-10=87 Exploring Operation: 10-7=3, Resulting Numbers: [97, 3] Generated Node #0,1,2: 88:[97, 3] Operation: 10-7=3 Exploring Operation: 97-7=90, Resulting Numbers: [10, 90] Generated Node #0,1,3: 88:[10, 90] Operation: 97-7=90 Moving to Node #0,1,1 Current State: 88:[7, 87], Operations: ['30+67=97', '97-10=87'] Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 7*87=609, Resulting Numbers: [609] 609,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[10, 90], Operations: ['30+67=97', '97-7=90'] Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,88 unequal: No Solution Exploring Operation: 10+90=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 10*90=900, Resulting Numbers: [900] 900,88 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[97, 3], Operations: ['30+67=97', '10-7=3'] Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,88 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[97, 17], Operations: ['30+67=97', '10+7=17'] Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,88 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,88 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 Current State: 88:[30, 7, 77], Operations: ['10+67=77'] Exploring Operation: 30-7=23, Resulting Numbers: [77, 23] Generated Node #0,3,0: 88:[77, 23] Operation: 30-7=23 Exploring Operation: 77/7=11, Resulting Numbers: [30, 11] Generated Node #0,3,1: 88:[30, 11] Operation: 77/7=11 Exploring Operation: 7+77=84, Resulting Numbers: [30, 84] Generated Node #0,3,2: 88:[30, 84] Operation: 7+77=84 Exploring Operation: 77-30=47, Resulting Numbers: [7, 47] Generated Node #0,3,3: 88:[7, 47] Operation: 77-30=47 Moving to Node #0,3,3 Current State: 88:[7, 47], Operations: ['10+67=77', '77-30=47'] Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,88 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[30, 11], Operations: ['10+67=77', '77/7=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,88 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[30, 84], Operations: ['10+67=77', '7+77=84'] Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,88 unequal: No Solution Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[77, 23], Operations: ['10+67=77', '30-7=23'] Exploring Operation: 77+23=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,88 unequal: No Solution Exploring Operation: 77*23=1771, Resulting Numbers: [1771] 1771,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[30, 7, 57], Operations: ['67-10=57'] Exploring Operation: 30+57=87, Resulting Numbers: [7, 87] Generated Node #0,2,0: 88:[7, 87] Operation: 30+57=87 Exploring Operation: 57-30=27, Resulting Numbers: [7, 27] Generated Node #0,2,1: 88:[7, 27] Operation: 57-30=27 Exploring Operation: 57-7=50, Resulting Numbers: [30, 50] Generated Node #0,2,2: 88:[30, 50] Operation: 57-7=50 Exploring Operation: 30-7=23, Resulting Numbers: [57, 23] Generated Node #0,2,3: 88:[57, 23] Operation: 30-7=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 88:[7, 87], Operations: ['67-10=57', '30+57=87'] Exploring Operation: 7*87=609, Resulting Numbers: [609] 609,88 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[7, 27], Operations: ['67-10=57', '57-30=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[30, 50], Operations: ['67-10=57', '57-7=50'] Exploring Operation: 30+50=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 30*50=1500, Resulting Numbers: [1500] 1500,88 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 88:[57, 23], Operations: ['67-10=57', '30-7=23'] Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 56, 14, 70, 91 ]
100
[ "56+70=126", "126/14=9", "91+9=100" ]
Current State: 100:[56, 14, 70, 91], Operations: [] Exploring Operation: 56+70=126, Resulting Numbers: [14, 91, 126] Generated Node #2: [14, 91, 126] from Operation: 56+70=126 Current State: 100:[14, 91, 126], Operations: ['56+70=126'] Exploring Operation: 126/14=9, Resulting Numbers: [91, 9] Generated Node #3: [91, 9] from Operation: 126/14=9 Current State: 100:[91, 9], Operations: ['56+70=126', '126/14=9'] Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[56, 14, 70, 91], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [56, 14, 21] Generated Node #0,0: 100:[56, 14, 21] Operation: 91-70=21 Moving to Node #0,0 Current State: 100:[56, 14, 21], Operations: ['91-70=21'] Exploring Operation: 56/14=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 100:[21, 4] Operation: 56/14=4 Moving to Node #0,0,0 Current State: 100:[21, 4], Operations: ['91-70=21', '56/14=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 23, 39, 17, 57 ]
85
[ "23+39=62", "62-57=5", "17*5=85" ]
Current State: 85:[23, 39, 17, 57], Operations: [] Exploring Operation: 23+39=62, Resulting Numbers: [17, 57, 62] Generated Node #2: [17, 57, 62] from Operation: 23+39=62 Current State: 85:[17, 57, 62], Operations: ['23+39=62'] Exploring Operation: 62-57=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 62-57=5 Current State: 85:[17, 5], Operations: ['23+39=62', '62-57=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[23, 39, 17, 57], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [17, 57, 16] Generated Node #0,0: 85:[17, 57, 16] Operation: 39-23=16 Exploring Operation: 23+57=80, Resulting Numbers: [39, 17, 80] Generated Node #0,1: 85:[39, 17, 80] Operation: 23+57=80 Exploring Operation: 39+57=96, Resulting Numbers: [23, 17, 96] Generated Node #0,2: 85:[23, 17, 96] Operation: 39+57=96 Exploring Operation: 57-39=18, Resulting Numbers: [23, 17, 18] Generated Node #0,3: 85:[23, 17, 18] Operation: 57-39=18 Moving to Node #0,3 Current State: 85:[23, 17, 18], Operations: ['57-39=18'] Exploring Operation: 23-18=5, Resulting Numbers: [17, 5] Generated Node #0,3,0: 85:[17, 5] Operation: 23-18=5 Exploring Operation: 23+17=40, Resulting Numbers: [18, 40] Generated Node #0,3,1: 85:[18, 40] Operation: 23+17=40 Exploring Operation: 18-17=1, Resulting Numbers: [23, 1] Generated Node #0,3,2: 85:[23, 1] Operation: 18-17=1 Exploring Operation: 23-17=6, Resulting Numbers: [18, 6] Generated Node #0,3,3: 85:[18, 6] Operation: 23-17=6 Moving to Node #0,2 Current State: 85:[23, 17, 96], Operations: ['39+57=96'] Exploring Operation: 23+17=40, Resulting Numbers: [96, 40] Generated Node #0,2,0: 85:[96, 40] Operation: 23+17=40 Exploring Operation: 96-23=73, Resulting Numbers: [17, 73] Generated Node #0,2,1: 85:[17, 73] Operation: 96-23=73 Exploring Operation: 23-17=6, Resulting Numbers: [96, 6] Generated Node #0,2,2: 85:[96, 6] Operation: 23-17=6 Exploring Operation: 96-17=79, Resulting Numbers: [23, 79] Generated Node #0,2,3: 85:[23, 79] Operation: 96-17=79 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[17, 73], Operations: ['39+57=96', '96-23=73'] Exploring Operation: 17+73=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 17*73=1241, Resulting Numbers: [1241] 1241,85 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,85 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 #0,2,2 Current State: 85:[96, 6], Operations: ['39+57=96', '23-17=6'] Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,85 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,85 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,85 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 #0,2,3 Current State: 85:[23, 79], Operations: ['39+57=96', '96-17=79'] Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,85 unequal: No Solution Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,85 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 #0,2,0 Current State: 85:[96, 40], Operations: ['39+57=96', '23+17=40'] Exploring Operation: 96*40=3840, Resulting Numbers: [3840] 3840,85 unequal: No Solution Exploring Operation: 96+40=136, Resulting Numbers: [136] 136,85 unequal: No Solution Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,85 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:[39, 17, 80], Operations: ['23+57=80'] Exploring Operation: 39+80=119, Resulting Numbers: [17, 119] Generated Node #0,1,0: 85:[17, 119] Operation: 39+80=119 Exploring Operation: 39+17=56, Resulting Numbers: [80, 56] Generated Node #0,1,1: 85:[80, 56] Operation: 39+17=56 Exploring Operation: 80-39=41, Resulting Numbers: [17, 41] Generated Node #0,1,2: 85:[17, 41] Operation: 80-39=41 Exploring Operation: 39-17=22, Resulting Numbers: [80, 22] Generated Node #0,1,3: 85:[80, 22] Operation: 39-17=22 Moving to Node #0,0 Current State: 85:[17, 57, 16], Operations: ['39-23=16'] Exploring Operation: 57-17=40, Resulting Numbers: [16, 40] Generated Node #0,0,0: 85:[16, 40] Operation: 57-17=40 Exploring Operation: 17+57=74, Resulting Numbers: [16, 74] Generated Node #0,0,1: 85:[16, 74] Operation: 17+57=74 Exploring Operation: 57-16=41, Resulting Numbers: [17, 41] Generated Node #0,0,2: 85:[17, 41] Operation: 57-16=41 Exploring Operation: 57+16=73, Resulting Numbers: [17, 73] Generated Node #0,0,3: 85:[17, 73] Operation: 57+16=73 Moving to Node #0,3,0 Current State: 85:[17, 5], Operations: ['57-39=18', '23-18=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[23, 39, 17, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [23, 17, 18] Generated Node #0,3: 85:[23, 17, 18] Operation: 57-39=18 Moving to Node #0,3 Current State: 85:[23, 17, 18], Operations: ['57-39=18'] Exploring Operation: 23-18=5, Resulting Numbers: [17, 5] Generated Node #0,3,0: 85:[17, 5] Operation: 23-18=5 Moving to Node #0,3,0 Current State: 85:[17, 5], Operations: ['57-39=18', '23-18=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 5, 81, 9, 34 ]
61
[ "5+81=86", "34-9=25", "86-25=61" ]
Current State: 61:[5, 81, 9, 34], Operations: [] Exploring Operation: 5+81=86, Resulting Numbers: [9, 34, 86] Generated Node #2: [9, 34, 86] from Operation: 5+81=86 Current State: 61:[9, 34, 86], Operations: ['5+81=86'] Exploring Operation: 34-9=25, Resulting Numbers: [86, 25] Generated Node #3: [86, 25] from Operation: 34-9=25 Current State: 61:[86, 25], Operations: ['5+81=86', '34-9=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 81, 9, 34], Operations: [] Exploring Operation: 5+34=39, Resulting Numbers: [81, 9, 39] Generated Node #0,0: 61:[81, 9, 39] Operation: 5+34=39 Exploring Operation: 81-5=76, Resulting Numbers: [9, 34, 76] Generated Node #0,1: 61:[9, 34, 76] Operation: 81-5=76 Exploring Operation: 5+9=14, Resulting Numbers: [81, 34, 14] Generated Node #0,2: 61:[81, 34, 14] Operation: 5+9=14 Exploring Operation: 5*9=45, Resulting Numbers: [81, 34, 45] Generated Node #0,3: 61:[81, 34, 45] Operation: 5*9=45 Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[81, 34, 45], Operations: ['5*9=45'] Exploring Operation: 81-45=36, Resulting Numbers: [34, 36] Generated Node #0,3,0: 61:[34, 36] Operation: 81-45=36 Exploring Operation: 81+34=115, Resulting Numbers: [45, 115] Generated Node #0,3,1: 61:[45, 115] Operation: 81+34=115 Exploring Operation: 81-34=47, Resulting Numbers: [45, 47] Generated Node #0,3,2: 61:[45, 47] Operation: 81-34=47 Exploring Operation: 34+45=79, Resulting Numbers: [81, 79] Generated Node #0,3,3: 61:[81, 79] Operation: 34+45=79 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 61:[45, 47], Operations: ['5*9=45', '81-34=47'] Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,61 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,61 unequal: No Solution No 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: 61:[81, 79], Operations: ['5*9=45', '34+45=79'] Exploring Operation: 81+79=160, Resulting Numbers: [160] 160,61 unequal: No Solution Exploring Operation: 81-79=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 81*79=6399, Resulting Numbers: [6399] 6399,61 unequal: No Solution No 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: 61:[34, 36], Operations: ['5*9=45', '81-45=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,61 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,61 unequal: No Solution No 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: 61:[45, 115], Operations: ['5*9=45', '81+34=115'] Exploring Operation: 115-45=70, Resulting Numbers: [70] 70,61 unequal: No Solution Exploring Operation: 45*115=5175, Resulting Numbers: [5175] 5175,61 unequal: No Solution Exploring Operation: 45+115=160, Resulting Numbers: [160] 160,61 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: 61:[81, 9, 39], Operations: ['5+34=39'] Exploring Operation: 81+9=90, Resulting Numbers: [39, 90] Generated Node #0,0,0: 61:[39, 90] Operation: 81+9=90 Exploring Operation: 9+39=48, Resulting Numbers: [81, 48] Generated Node #0,0,1: 61:[81, 48] Operation: 9+39=48 Exploring Operation: 81-9=72, Resulting Numbers: [39, 72] Generated Node #0,0,2: 61:[39, 72] Operation: 81-9=72 Exploring Operation: 39-9=30, Resulting Numbers: [81, 30] Generated Node #0,0,3: 61:[81, 30] Operation: 39-9=30 Moving to Node #0,0,1 Current State: 61:[81, 48], Operations: ['5+34=39', '9+39=48'] Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,61 unequal: No Solution Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,61 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[39, 72], Operations: ['5+34=39', '81-9=72'] Exploring Operation: 39*72=2808, Resulting Numbers: [2808] 2808,61 unequal: No Solution Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[81, 30], Operations: ['5+34=39', '39-9=30'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 81*30=2430, Resulting Numbers: [2430] 2430,61 unequal: No Solution Exploring Operation: 81+30=111, Resulting Numbers: [111] 111,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[39, 90], Operations: ['5+34=39', '81+9=90'] Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,61 unequal: No Solution Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,61 unequal: No Solution Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[9, 34, 76], Operations: ['81-5=76'] Exploring Operation: 9+34=43, Resulting Numbers: [76, 43] Generated Node #0,1,0: 61:[76, 43] Operation: 9+34=43 Exploring Operation: 76-9=67, Resulting Numbers: [34, 67] Generated Node #0,1,1: 61:[34, 67] Operation: 76-9=67 Exploring Operation: 9+76=85, Resulting Numbers: [34, 85] Generated Node #0,1,2: 61:[34, 85] Operation: 9+76=85 Exploring Operation: 34-9=25, Resulting Numbers: [76, 25] Generated Node #0,1,3: 61:[76, 25] Operation: 34-9=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[76, 43], Operations: ['81-5=76', '9+34=43'] Exploring Operation: 76*43=3268, Resulting Numbers: [3268] 3268,61 unequal: No Solution Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 76+43=119, Resulting Numbers: [119] 119,61 unequal: No Solution No 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: 61:[34, 67], Operations: ['81-5=76', '76-9=67'] Exploring Operation: 34*67=2278, Resulting Numbers: [2278] 2278,61 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 34+67=101, Resulting Numbers: [101] 101,61 unequal: No Solution No 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: 61:[34, 85], Operations: ['81-5=76', '9+76=85'] Exploring Operation: 34*85=2890, Resulting Numbers: [2890] 2890,61 unequal: No Solution Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 34+85=119, Resulting Numbers: [119] 119,61 unequal: No Solution No 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: 61:[76, 25], Operations: ['81-5=76', '34-9=25'] Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,61 unequal: No Solution Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,61 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,61 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: 61:[81, 34, 14], Operations: ['5+9=14'] Exploring Operation: 81+14=95, Resulting Numbers: [34, 95] Generated Node #0,2,0: 61:[34, 95] Operation: 81+14=95 Exploring Operation: 81-34=47, Resulting Numbers: [14, 47] Generated Node #0,2,1: 61:[14, 47] Operation: 81-34=47 Exploring Operation: 34+14=48, Resulting Numbers: [81, 48] Generated Node #0,2,2: 61:[81, 48] Operation: 34+14=48 Exploring Operation: 81-14=67, Resulting Numbers: [34, 67] Generated Node #0,2,3: 61:[34, 67] Operation: 81-14=67 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[81, 48], Operations: ['5+9=14', '34+14=48'] Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,61 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,61 unequal: No Solution No 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: 61:[34, 67], Operations: ['5+9=14', '81-14=67'] Exploring Operation: 34*67=2278, Resulting Numbers: [2278] 2278,61 unequal: No Solution Exploring Operation: 34+67=101, Resulting Numbers: [101] 101,61 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,61 unequal: No Solution No 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: 61:[34, 95], Operations: ['5+9=14', '81+14=95'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[5, 81, 9, 34], Operations: [] Exploring Operation: 5+9=14, Resulting Numbers: [81, 34, 14] Generated Node #0,2: 61:[81, 34, 14] Operation: 5+9=14 Moving to Node #0,2 Current State: 61:[81, 34, 14], Operations: ['5+9=14'] Exploring Operation: 81+14=95, Resulting Numbers: [34, 95] Generated Node #0,2,0: 61:[34, 95] Operation: 81+14=95 Moving to Node #0,2,0 Current State: 61:[34, 95], Operations: ['5+9=14', '81+14=95'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.94184
hs_4
mult_heuristic
[ 76, 53, 41, 99 ]
81
[ "76-53=23", "99-41=58", "23+58=81" ]
Current State: 81:[76, 53, 41, 99], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [41, 99, 23] Generated Node #2: [41, 99, 23] from Operation: 76-53=23 Current State: 81:[41, 99, 23], Operations: ['76-53=23'] Exploring Operation: 99-41=58, Resulting Numbers: [23, 58] Generated Node #3: [23, 58] from Operation: 99-41=58 Current State: 81:[23, 58], Operations: ['76-53=23', '99-41=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[76, 53, 41, 99], Operations: [] Exploring Operation: 99-53=46, Resulting Numbers: [76, 41, 46] Generated Node #0,0: 81:[76, 41, 46] Operation: 99-53=46 Exploring Operation: 76-53=23, Resulting Numbers: [41, 99, 23] Generated Node #0,1: 81:[41, 99, 23] Operation: 76-53=23 Exploring Operation: 53+41=94, Resulting Numbers: [76, 99, 94] Generated Node #0,2: 81:[76, 99, 94] Operation: 53+41=94 Exploring Operation: 53-41=12, Resulting Numbers: [76, 99, 12] Generated Node #0,3: 81:[76, 99, 12] Operation: 53-41=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[76, 99, 12], Operations: ['53-41=12'] Exploring Operation: 99-76=23, Resulting Numbers: [12, 23] Generated Node #0,3,0: 81:[12, 23] Operation: 99-76=23 Exploring Operation: 99-12=87, Resulting Numbers: [76, 87] Generated Node #0,3,1: 81:[76, 87] Operation: 99-12=87 Exploring Operation: 76-12=64, Resulting Numbers: [99, 64] Generated Node #0,3,2: 81:[99, 64] Operation: 76-12=64 Exploring Operation: 76+12=88, Resulting Numbers: [99, 88] Generated Node #0,3,3: 81:[99, 88] Operation: 76+12=88 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[12, 23], Operations: ['53-41=12', '99-76=23'] Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,81 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,81 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 #0,3,1 Current State: 81:[76, 87], Operations: ['53-41=12', '99-12=87'] Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,81 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,81 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,81 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 #0,3,3 Current State: 81:[99, 88], Operations: ['53-41=12', '76+12=88'] Exploring Operation: 99*88=8712, Resulting Numbers: [8712] 8712,81 unequal: No Solution Exploring Operation: 99+88=187, Resulting Numbers: [187] 187,81 unequal: No Solution Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,81 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 #0,3,2 Current State: 81:[99, 64], Operations: ['53-41=12', '76-12=64'] Exploring Operation: 99-64=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 99*64=6336, Resulting Numbers: [6336] 6336,81 unequal: No Solution Exploring Operation: 99+64=163, Resulting Numbers: [163] 163,81 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:[41, 99, 23], Operations: ['76-53=23'] Exploring Operation: 99-23=76, Resulting Numbers: [41, 76] Generated Node #0,1,0: 81:[41, 76] Operation: 99-23=76 Exploring Operation: 99-41=58, Resulting Numbers: [23, 58] Generated Node #0,1,1: 81:[23, 58] Operation: 99-41=58 Exploring Operation: 41+23=64, Resulting Numbers: [99, 64] Generated Node #0,1,2: 81:[99, 64] Operation: 41+23=64 Exploring Operation: 41-23=18, Resulting Numbers: [99, 18] Generated Node #0,1,3: 81:[99, 18] Operation: 41-23=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[41, 76], Operations: ['76-53=23', '99-23=76'] Exploring Operation: 41*76=3116, Resulting Numbers: [3116] 3116,81 unequal: No Solution Exploring Operation: 41+76=117, Resulting Numbers: [117] 117,81 unequal: No Solution Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,81 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 #0,1,1 Current State: 81:[23, 58], Operations: ['76-53=23', '99-41=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[76, 53, 41, 99], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [41, 99, 23] Generated Node #0,1: 81:[41, 99, 23] Operation: 76-53=23 Moving to Node #0,1 Current State: 81:[41, 99, 23], Operations: ['76-53=23'] Exploring Operation: 99-41=58, Resulting Numbers: [23, 58] Generated Node #0,1,1: 81:[23, 58] Operation: 99-41=58 Moving to Node #0,1,1 Current State: 81:[23, 58], Operations: ['76-53=23', '99-41=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 42, 51, 35, 75 ]
53
[ "42+51=93", "75-35=40", "93-40=53" ]
Current State: 53:[42, 51, 35, 75], Operations: [] Exploring Operation: 42+51=93, Resulting Numbers: [35, 75, 93] Generated Node #2: [35, 75, 93] from Operation: 42+51=93 Current State: 53:[35, 75, 93], Operations: ['42+51=93'] Exploring Operation: 75-35=40, Resulting Numbers: [93, 40] Generated Node #3: [93, 40] from Operation: 75-35=40 Current State: 53:[93, 40], Operations: ['42+51=93', '75-35=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[42, 51, 35, 75], Operations: [] Exploring Operation: 42+35=77, Resulting Numbers: [51, 75, 77] Generated Node #0,0: 53:[51, 75, 77] Operation: 42+35=77 Exploring Operation: 75-35=40, Resulting Numbers: [42, 51, 40] Generated Node #0,1: 53:[42, 51, 40] Operation: 75-35=40 Exploring Operation: 75-51=24, Resulting Numbers: [42, 35, 24] Generated Node #0,2: 53:[42, 35, 24] Operation: 75-51=24 Exploring Operation: 75-42=33, Resulting Numbers: [51, 35, 33] Generated Node #0,3: 53:[51, 35, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 53:[42, 51, 40], Operations: ['75-35=40'] Exploring Operation: 42+51=93, Resulting Numbers: [40, 93] Generated Node #0,1,0: 53:[40, 93] Operation: 42+51=93 Exploring Operation: 51+40=91, Resulting Numbers: [42, 91] Generated Node #0,1,1: 53:[42, 91] Operation: 51+40=91 Exploring Operation: 42+40=82, Resulting Numbers: [51, 82] Generated Node #0,1,2: 53:[51, 82] Operation: 42+40=82 Exploring Operation: 42-40=2, Resulting Numbers: [51, 2] Generated Node #0,1,3: 53:[51, 2] Operation: 42-40=2 Moving to Node #0,3 Current State: 53:[51, 35, 33], Operations: ['75-42=33'] Exploring Operation: 51+35=86, Resulting Numbers: [33, 86] Generated Node #0,3,0: 53:[33, 86] Operation: 51+35=86 Exploring Operation: 51+33=84, Resulting Numbers: [35, 84] Generated Node #0,3,1: 53:[35, 84] Operation: 51+33=84 Exploring Operation: 35+33=68, Resulting Numbers: [51, 68] Generated Node #0,3,2: 53:[51, 68] Operation: 35+33=68 Exploring Operation: 51-33=18, Resulting Numbers: [35, 18] Generated Node #0,3,3: 53:[35, 18] Operation: 51-33=18 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[51, 68], Operations: ['75-42=33', '35+33=68'] Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,53 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,53 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,53 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 #0,3,1 Current State: 53:[35, 84], Operations: ['75-42=33', '51+33=84'] Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 35*84=2940, Resulting Numbers: [2940] 2940,53 unequal: No Solution Exploring Operation: 35+84=119, Resulting Numbers: [119] 119,53 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 #0,3,0 Current State: 53:[33, 86], Operations: ['75-42=33', '51+35=86'] Exploring Operation: 33*86=2838, Resulting Numbers: [2838] 2838,53 unequal: No Solution Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,53 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[42, 51, 35, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [51, 35, 33] Generated Node #0,3: 53:[51, 35, 33] Operation: 75-42=33 Moving to Node #0,3 Current State: 53:[51, 35, 33], Operations: ['75-42=33'] Exploring Operation: 51+35=86, Resulting Numbers: [33, 86] Generated Node #0,3,0: 53:[33, 86] Operation: 51+35=86 Moving to Node #0,3,0 Current State: 53:[33, 86], Operations: ['75-42=33', '51+35=86'] Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 77, 8, 39, 62 ]
62
[ "77+8=85", "62-39=23", "85-23=62" ]
Current State: 62:[77, 8, 39, 62], Operations: [] Exploring Operation: 77+8=85, Resulting Numbers: [39, 62, 85] Generated Node #2: [39, 62, 85] from Operation: 77+8=85 Current State: 62:[39, 62, 85], Operations: ['77+8=85'] Exploring Operation: 62-39=23, Resulting Numbers: [85, 23] Generated Node #3: [85, 23] from Operation: 62-39=23 Current State: 62:[85, 23], Operations: ['77+8=85', '62-39=23'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[77, 8, 39, 62], Operations: [] Exploring Operation: 77-39=38, Resulting Numbers: [8, 62, 38] Generated Node #0,0: 62:[8, 62, 38] Operation: 77-39=38 Exploring Operation: 77-8=69, Resulting Numbers: [39, 62, 69] Generated Node #0,1: 62:[39, 62, 69] Operation: 77-8=69 Moving to Node #0,0 Current State: 62:[8, 62, 38], Operations: ['77-39=38'] Exploring Operation: 62-38=24, Resulting Numbers: [8, 24] Generated Node #0,0,0: 62:[8, 24] Operation: 62-38=24 Exploring Operation: 38-8=30, Resulting Numbers: [62, 30] Generated Node #0,0,1: 62:[62, 30] Operation: 38-8=30 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[62, 30], Operations: ['77-39=38', '38-8=30'] Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[8, 24], Operations: ['77-39=38', '62-38=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[39, 62, 69], Operations: ['77-8=69'] Exploring Operation: 69-39=30, Resulting Numbers: [62, 30] Generated Node #0,1,0: 62:[62, 30] Operation: 69-39=30 Exploring Operation: 69-62=7, Resulting Numbers: [39, 7] Generated Node #0,1,1: 62:[39, 7] Operation: 69-62=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[62, 30], Operations: ['77-8=69', '69-39=30'] Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,62 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:[39, 7], Operations: ['77-8=69', '69-62=7'] Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,62 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
[ 39, 29, 42, 82 ]
56
[ "39+29=68", "42+82=124", "124-68=56" ]
Current State: 56:[39, 29, 42, 82], Operations: [] Exploring Operation: 39+29=68, Resulting Numbers: [42, 82, 68] Generated Node #2: [42, 82, 68] from Operation: 39+29=68 Current State: 56:[42, 82, 68], Operations: ['39+29=68'] Exploring Operation: 42+82=124, Resulting Numbers: [68, 124] Generated Node #3: [68, 124] from Operation: 42+82=124 Current State: 56:[68, 124], Operations: ['39+29=68', '42+82=124'] Exploring Operation: 124-68=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[39, 29, 42, 82], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [39, 42, 53] Generated Node #0,0: 56:[39, 42, 53] Operation: 82-29=53 Exploring Operation: 82-42=40, Resulting Numbers: [39, 29, 40] Generated Node #0,1: 56:[39, 29, 40] Operation: 82-42=40 Exploring Operation: 42-29=13, Resulting Numbers: [39, 82, 13] Generated Node #0,2: 56:[39, 82, 13] Operation: 42-29=13 Exploring Operation: 82-39=43, Resulting Numbers: [29, 42, 43] Generated Node #0,3: 56:[29, 42, 43] Operation: 82-39=43 Exploring Operation: 42-39=3, Resulting Numbers: [29, 82, 3] Generated Node #0,4: 56:[29, 82, 3] Operation: 42-39=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[39, 29, 40], Operations: ['82-42=40'] Exploring Operation: 40-39=1, Resulting Numbers: [29, 1] Generated Node #0,1,0: 56:[29, 1] Operation: 40-39=1 Exploring Operation: 40-29=11, Resulting Numbers: [39, 11] Generated Node #0,1,1: 56:[39, 11] Operation: 40-29=11 Exploring Operation: 39+29=68, Resulting Numbers: [40, 68] Generated Node #0,1,2: 56:[40, 68] Operation: 39+29=68 Exploring Operation: 39-29=10, Resulting Numbers: [40, 10] Generated Node #0,1,3: 56:[40, 10] Operation: 39-29=10 Exploring Operation: 39+40=79, Resulting Numbers: [29, 79] Generated Node #0,1,4: 56:[29, 79] Operation: 39+40=79 Moving to Node #0,1,0 Current State: 56:[29, 1], Operations: ['82-42=40', '40-39=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,56 unequal: No Solution Moving to Node #0,1,3 Current State: 56:[40, 10], Operations: ['82-42=40', '39-29=10'] Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 40*10=400, Resulting Numbers: [400] 400,56 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[39, 11], Operations: ['82-42=40', '40-29=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,56 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[40, 68], Operations: ['82-42=40', '39+29=68'] Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,56 unequal: No Solution Moving to Node #0,1,4 Current State: 56:[29, 79], Operations: ['82-42=40', '39+40=79'] Exploring Operation: 29*79=2291, Resulting Numbers: [2291] 2291,56 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 29+79=108, Resulting Numbers: [108] 108,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[39, 42, 53], Operations: ['82-29=53'] Exploring Operation: 42-39=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 56:[53, 3] Operation: 42-39=3 Exploring Operation: 39+42=81, Resulting Numbers: [53, 81] Generated Node #0,0,1: 56:[53, 81] Operation: 39+42=81 Exploring Operation: 53-39=14, Resulting Numbers: [42, 14] Generated Node #0,0,2: 56:[42, 14] Operation: 53-39=14 Exploring Operation: 39+53=92, Resulting Numbers: [42, 92] Generated Node #0,0,3: 56:[42, 92] Operation: 39+53=92 Exploring Operation: 53-42=11, Resulting Numbers: [39, 11] Generated Node #0,0,4: 56:[39, 11] Operation: 53-42=11 Moving to Node #0,0,0 Current State: 56:[53, 3], Operations: ['82-29=53', '42-39=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,56 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[39, 29, 42, 82], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [39, 42, 53] Generated Node #0,0: 56:[39, 42, 53] Operation: 82-29=53 Moving to Node #0,0 Current State: 56:[39, 42, 53], Operations: ['82-29=53'] Exploring Operation: 42-39=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 56:[53, 3] Operation: 42-39=3 Moving to Node #0,0,0 Current State: 56:[53, 3], Operations: ['82-29=53', '42-39=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 93, 88, 70, 15 ]
50
[ "93-88=5", "70-15=55", "55-5=50" ]
Current State: 50:[93, 88, 70, 15], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [70, 15, 5] Generated Node #2: [70, 15, 5] from Operation: 93-88=5 Current State: 50:[70, 15, 5], Operations: ['93-88=5'] Exploring Operation: 70-15=55, Resulting Numbers: [5, 55] Generated Node #3: [5, 55] from Operation: 70-15=55 Current State: 50:[5, 55], Operations: ['93-88=5', '70-15=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[93, 88, 70, 15], Operations: [] Exploring Operation: 88-70=18, Resulting Numbers: [93, 15, 18] Generated Node #0,0: 50:[93, 15, 18] Operation: 88-70=18 Exploring Operation: 93-15=78, Resulting Numbers: [88, 70, 78] Generated Node #0,1: 50:[88, 70, 78] Operation: 93-15=78 Exploring Operation: 93-70=23, Resulting Numbers: [88, 15, 23] Generated Node #0,2: 50:[88, 15, 23] Operation: 93-70=23 Exploring Operation: 93-88=5, Resulting Numbers: [70, 15, 5] Generated Node #0,3: 50:[70, 15, 5] Operation: 93-88=5 Moving to Node #0,3 Current State: 50:[70, 15, 5], Operations: ['93-88=5'] Exploring Operation: 70-5=65, Resulting Numbers: [15, 65] Generated Node #0,3,0: 50:[15, 65] Operation: 70-5=65 Exploring Operation: 15-5=10, Resulting Numbers: [70, 10] Generated Node #0,3,1: 50:[70, 10] Operation: 15-5=10 Exploring Operation: 70-15=55, Resulting Numbers: [5, 55] Generated Node #0,3,2: 50:[5, 55] Operation: 70-15=55 Exploring Operation: 70/5=14, Resulting Numbers: [15, 14] Generated Node #0,3,3: 50:[15, 14] Operation: 70/5=14 Moving to Node #0,2 Current State: 50:[88, 15, 23], Operations: ['93-70=23'] Exploring Operation: 15+23=38, Resulting Numbers: [88, 38] Generated Node #0,2,0: 50:[88, 38] Operation: 15+23=38 Exploring Operation: 88-15=73, Resulting Numbers: [23, 73] Generated Node #0,2,1: 50:[23, 73] Operation: 88-15=73 Exploring Operation: 23-15=8, Resulting Numbers: [88, 8] Generated Node #0,2,2: 50:[88, 8] Operation: 23-15=8 Exploring Operation: 88-23=65, Resulting Numbers: [15, 65] Generated Node #0,2,3: 50:[15, 65] Operation: 88-23=65 Moving to Node #0,0 Current State: 50:[93, 15, 18], Operations: ['88-70=18'] Exploring Operation: 93-15=78, Resulting Numbers: [18, 78] Generated Node #0,0,0: 50:[18, 78] Operation: 93-15=78 Exploring Operation: 15+18=33, Resulting Numbers: [93, 33] Generated Node #0,0,1: 50:[93, 33] Operation: 15+18=33 Exploring Operation: 93-18=75, Resulting Numbers: [15, 75] Generated Node #0,0,2: 50:[15, 75] Operation: 93-18=75 Exploring Operation: 18-15=3, Resulting Numbers: [93, 3] Generated Node #0,0,3: 50:[93, 3] Operation: 18-15=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[15, 75], Operations: ['88-70=18', '93-18=75'] Exploring Operation: 15*75=1125, Resulting Numbers: [1125] 1125,50 unequal: No Solution Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 15+75=90, Resulting Numbers: [90] 90,50 unequal: No Solution Exploring Operation: 75/15=5, Resulting Numbers: [5] 5,50 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 #0,0,0 Current State: 50:[18, 78], Operations: ['88-70=18', '93-15=78'] Exploring Operation: 18+78=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 18*78=1404, Resulting Numbers: [1404] 1404,50 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 #0,0,3 Current State: 50:[93, 3], Operations: ['88-70=18', '18-15=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,50 unequal: No Solution Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,50 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,50 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 #0,0,1 Current State: 50:[93, 33], Operations: ['88-70=18', '15+18=33'] Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 93*33=3069, Resulting Numbers: [3069] 3069,50 unequal: No Solution Exploring Operation: 93+33=126, Resulting Numbers: [126] 126,50 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: 50:[88, 70, 78], Operations: ['93-15=78'] Exploring Operation: 88+70=158, Resulting Numbers: [78, 158] Generated Node #0,1,0: 50:[78, 158] Operation: 88+70=158 Exploring Operation: 78-70=8, Resulting Numbers: [88, 8] Generated Node #0,1,1: 50:[88, 8] Operation: 78-70=8 Exploring Operation: 88-78=10, Resulting Numbers: [70, 10] Generated Node #0,1,2: 50:[70, 10] Operation: 88-78=10 Exploring Operation: 88-70=18, Resulting Numbers: [78, 18] Generated Node #0,1,3: 50:[78, 18] Operation: 88-70=18 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[70, 10], Operations: ['93-15=78', '88-78=10'] Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,50 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,50 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,50 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 #0,1,3 Current State: 50:[78, 18], Operations: ['93-15=78', '88-70=18'] Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,50 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,50 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:[88, 8], Operations: ['93-15=78', '78-70=8'] Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,50 unequal: No Solution Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 88*8=704, Resulting Numbers: [704] 704,50 unequal: No Solution Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,50 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 #0,1,0 Current State: 50:[78, 158], Operations: ['93-15=78', '88+70=158'] Exploring Operation: 78*158=12324, Resulting Numbers: [12324] 12324,50 unequal: No Solution Exploring Operation: 78+158=236, Resulting Numbers: [236] 236,50 unequal: No Solution Exploring Operation: 158-78=80, Resulting Numbers: [80] 80,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 50:[5, 55], Operations: ['93-88=5', '70-15=55'] Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,50 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[93, 88, 70, 15], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [70, 15, 5] Generated Node #0,3: 50:[70, 15, 5] Operation: 93-88=5 Moving to Node #0,3 Current State: 50:[70, 15, 5], Operations: ['93-88=5'] Exploring Operation: 70-15=55, Resulting Numbers: [5, 55] Generated Node #0,3,2: 50:[5, 55] Operation: 70-15=55 Moving to Node #0,3,2 Current State: 50:[5, 55], Operations: ['93-88=5', '70-15=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.951389
hs_4
mult_heuristic
[ 17, 97, 84, 57 ]
53
[ "97-17=80", "84-57=27", "80-27=53" ]
Current State: 53:[17, 97, 84, 57], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [84, 57, 80] Generated Node #2: [84, 57, 80] from Operation: 97-17=80 Current State: 53:[84, 57, 80], Operations: ['97-17=80'] Exploring Operation: 84-57=27, Resulting Numbers: [80, 27] Generated Node #3: [80, 27] from Operation: 84-57=27 Current State: 53:[80, 27], Operations: ['97-17=80', '84-57=27'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[17, 97, 84, 57], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [84, 57, 80] Generated Node #0,0: 53:[84, 57, 80] Operation: 97-17=80 Exploring Operation: 84-17=67, Resulting Numbers: [97, 57, 67] Generated Node #0,1: 53:[97, 57, 67] Operation: 84-17=67 Moving to Node #0,0 Current State: 53:[84, 57, 80], Operations: ['97-17=80'] Exploring Operation: 84-57=27, Resulting Numbers: [80, 27] Generated Node #0,0,0: 53:[80, 27] Operation: 84-57=27 Exploring Operation: 84-80=4, Resulting Numbers: [57, 4] Generated Node #0,0,1: 53:[57, 4] Operation: 84-80=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[80, 27], Operations: ['97-17=80', '84-57=27'] Exploring Operation: 80+27=107, Resulting Numbers: [107] 107,53 unequal: No Solution Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[17, 97, 84, 57], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [84, 57, 80] Generated Node #0,0: 53:[84, 57, 80] Operation: 97-17=80 Moving to Node #0,0 Current State: 53:[84, 57, 80], Operations: ['97-17=80'] Exploring Operation: 84-57=27, Resulting Numbers: [80, 27] Generated Node #0,0,0: 53:[80, 27] Operation: 84-57=27 Moving to Node #0,0,0 Current State: 53:[80, 27], Operations: ['97-17=80', '84-57=27'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 60, 23, 78, 7 ]
80
[ "23+7=30", "60/30=2", "78+2=80" ]
Current State: 80:[60, 23, 78, 7], Operations: [] Exploring Operation: 23+7=30, Resulting Numbers: [60, 78, 30] Generated Node #2: [60, 78, 30] from Operation: 23+7=30 Current State: 80:[60, 78, 30], Operations: ['23+7=30'] Exploring Operation: 60/30=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 60/30=2 Current State: 80:[78, 2], Operations: ['23+7=30', '60/30=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[60, 23, 78, 7], Operations: [] Exploring Operation: 60+23=83, Resulting Numbers: [78, 7, 83] Generated Node #0,0: 80:[78, 7, 83] Operation: 60+23=83 Moving to Node #0,0 Current State: 80:[78, 7, 83], Operations: ['60+23=83'] Exploring Operation: 83-78=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 80:[7, 5] Operation: 83-78=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[7, 5], Operations: ['60+23=83', '83-78=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,80 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
[ 90, 95, 37, 43 ]
16
[ "95-90=5", "37+43=80", "80/5=16" ]
Current State: 16:[90, 95, 37, 43], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [37, 43, 5] Generated Node #2: [37, 43, 5] from Operation: 95-90=5 Current State: 16:[37, 43, 5], Operations: ['95-90=5'] Exploring Operation: 37+43=80, Resulting Numbers: [5, 80] Generated Node #3: [5, 80] from Operation: 37+43=80 Current State: 16:[5, 80], Operations: ['95-90=5', '37+43=80'] Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[90, 95, 37, 43], Operations: [] Exploring Operation: 95-43=52, Resulting Numbers: [90, 37, 52] Generated Node #0,0: 16:[90, 37, 52] Operation: 95-43=52 Exploring Operation: 95-90=5, Resulting Numbers: [37, 43, 5] Generated Node #0,1: 16:[37, 43, 5] Operation: 95-90=5 Exploring Operation: 90-43=47, Resulting Numbers: [95, 37, 47] Generated Node #0,2: 16:[95, 37, 47] Operation: 90-43=47 Moving to Node #0,1 Current State: 16:[37, 43, 5], Operations: ['95-90=5'] Exploring Operation: 43-37=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 16:[5, 6] Operation: 43-37=6 Exploring Operation: 37-5=32, Resulting Numbers: [43, 32] Generated Node #0,1,1: 16:[43, 32] Operation: 37-5=32 Exploring Operation: 43-5=38, Resulting Numbers: [37, 38] Generated Node #0,1,2: 16:[37, 38] Operation: 43-5=38 Moving to Node #0,0 Current State: 16:[90, 37, 52], Operations: ['95-43=52'] Exploring Operation: 90-52=38, Resulting Numbers: [37, 38] Generated Node #0,0,0: 16:[37, 38] Operation: 90-52=38 Exploring Operation: 52-37=15, Resulting Numbers: [90, 15] Generated Node #0,0,1: 16:[90, 15] Operation: 52-37=15 Exploring Operation: 90-37=53, Resulting Numbers: [52, 53] Generated Node #0,0,2: 16:[52, 53] Operation: 90-37=53 Moving to Node #0,2 Current State: 16:[95, 37, 47], Operations: ['90-43=47'] Exploring Operation: 95-47=48, Resulting Numbers: [37, 48] Generated Node #0,2,0: 16:[37, 48] Operation: 95-47=48 Exploring Operation: 95-37=58, Resulting Numbers: [47, 58] Generated Node #0,2,1: 16:[47, 58] Operation: 95-37=58 Exploring Operation: 47-37=10, Resulting Numbers: [95, 10] Generated Node #0,2,2: 16:[95, 10] Operation: 47-37=10 Moving to Node #0,1,0 Current State: 16:[5, 6], Operations: ['95-90=5', '43-37=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[37, 38], Operations: ['95-90=5', '43-5=38'] Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,16 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[43, 32], Operations: ['95-90=5', '37-5=32'] Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,16 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[37, 38], Operations: ['95-43=52', '90-52=38'] Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,16 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[37, 48], Operations: ['90-43=47', '95-47=48'] Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,16 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[52, 53], Operations: ['95-43=52', '90-37=53'] Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,16 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[47, 58], Operations: ['90-43=47', '95-37=58'] Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[90, 15], Operations: ['95-43=52', '52-37=15'] Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[95, 10], Operations: ['90-43=47', '47-37=10'] Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,16 unequal: No Solution Exploring Operation: 95*10=950, Resulting Numbers: [950] 950,16 unequal: No Solution Exploring Operation: 95+10=105, Resulting Numbers: [105] 105,16 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 30, 75, 47, 62 ]
35
[ "62-47=15", "75/15=5", "30+5=35" ]
Current State: 35:[30, 75, 47, 62], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [30, 75, 15] Generated Node #2: [30, 75, 15] from Operation: 62-47=15 Current State: 35:[30, 75, 15], Operations: ['62-47=15'] Exploring Operation: 75/15=5, Resulting Numbers: [30, 5] Generated Node #3: [30, 5] from Operation: 75/15=5 Current State: 35:[30, 5], Operations: ['62-47=15', '75/15=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[30, 75, 47, 62], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [30, 75, 15] Generated Node #0,0: 35:[30, 75, 15] Operation: 62-47=15 Exploring Operation: 75-30=45, Resulting Numbers: [47, 62, 45] Generated Node #0,1: 35:[47, 62, 45] Operation: 75-30=45 Exploring Operation: 75-47=28, Resulting Numbers: [30, 62, 28] Generated Node #0,2: 35:[30, 62, 28] Operation: 75-47=28 Exploring Operation: 75-62=13, Resulting Numbers: [30, 47, 13] Generated Node #0,3: 35:[30, 47, 13] Operation: 75-62=13 Moving to Node #0,3 Current State: 35:[30, 47, 13], Operations: ['75-62=13'] Exploring Operation: 47-13=34, Resulting Numbers: [30, 34] Generated Node #0,3,0: 35:[30, 34] Operation: 47-13=34 Exploring Operation: 47-30=17, Resulting Numbers: [13, 17] Generated Node #0,3,1: 35:[13, 17] Operation: 47-30=17 Exploring Operation: 30+13=43, Resulting Numbers: [47, 43] Generated Node #0,3,2: 35:[47, 43] Operation: 30+13=43 Exploring Operation: 30-13=17, Resulting Numbers: [47, 17] Generated Node #0,3,3: 35:[47, 17] Operation: 30-13=17 Moving to Node #0,2 Current State: 35:[30, 62, 28], Operations: ['75-47=28'] Exploring Operation: 62-28=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 35:[30, 34] Operation: 62-28=34 Exploring Operation: 30+28=58, Resulting Numbers: [62, 58] Generated Node #0,2,1: 35:[62, 58] Operation: 30+28=58 Exploring Operation: 62-30=32, Resulting Numbers: [28, 32] Generated Node #0,2,2: 35:[28, 32] Operation: 62-30=32 Exploring Operation: 30-28=2, Resulting Numbers: [62, 2] Generated Node #0,2,3: 35:[62, 2] Operation: 30-28=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[30, 34], Operations: ['75-47=28', '62-28=34'] Exploring Operation: 30*34=1020, Resulting Numbers: [1020] 1020,35 unequal: No Solution Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,35 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 #0,2,2 Current State: 35:[28, 32], Operations: ['75-47=28', '62-30=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,35 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 #0,2,3 Current State: 35:[62, 2], Operations: ['75-47=28', '30-28=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,35 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,35 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 #0,2,1 Current State: 35:[62, 58], Operations: ['75-47=28', '30+28=58'] Exploring Operation: 62*58=3596, Resulting Numbers: [3596] 3596,35 unequal: No Solution Exploring Operation: 62+58=120, Resulting Numbers: [120] 120,35 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,35 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: 35:[47, 62, 45], Operations: ['75-30=45'] Exploring Operation: 62-45=17, Resulting Numbers: [47, 17] Generated Node #0,1,0: 35:[47, 17] Operation: 62-45=17 Exploring Operation: 47-45=2, Resulting Numbers: [62, 2] Generated Node #0,1,1: 35:[62, 2] Operation: 47-45=2 Exploring Operation: 47+62=109, Resulting Numbers: [45, 109] Generated Node #0,1,2: 35:[45, 109] Operation: 47+62=109 Exploring Operation: 62-47=15, Resulting Numbers: [45, 15] Generated Node #0,1,3: 35:[45, 15] Operation: 62-47=15 Moving to Node #0,0 Current State: 35:[30, 75, 15], Operations: ['62-47=15'] Exploring Operation: 75-30=45, Resulting Numbers: [15, 45] Generated Node #0,0,0: 35:[15, 45] Operation: 75-30=45 Exploring Operation: 30/15=2, Resulting Numbers: [75, 2] Generated Node #0,0,1: 35:[75, 2] Operation: 30/15=2 Exploring Operation: 75-15=60, Resulting Numbers: [30, 60] Generated Node #0,0,2: 35:[30, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [30, 5] Generated Node #0,0,3: 35:[30, 5] Operation: 75/15=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 35:[30, 5], Operations: ['62-47=15', '75/15=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[30, 75, 47, 62], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [30, 75, 15] Generated Node #0,0: 35:[30, 75, 15] Operation: 62-47=15 Moving to Node #0,0 Current State: 35:[30, 75, 15], Operations: ['62-47=15'] Exploring Operation: 75/15=5, Resulting Numbers: [30, 5] Generated Node #0,0,3: 35:[30, 5] Operation: 75/15=5 Moving to Node #0,0,3 Current State: 35:[30, 5], Operations: ['62-47=15', '75/15=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
mult_heuristic
[ 33, 93, 22, 4 ]
26
[ "33+93=126", "126-22=104", "104/4=26" ]
Current State: 26:[33, 93, 22, 4], Operations: [] Exploring Operation: 33+93=126, Resulting Numbers: [22, 4, 126] Generated Node #2: [22, 4, 126] from Operation: 33+93=126 Current State: 26:[22, 4, 126], Operations: ['33+93=126'] Exploring Operation: 126-22=104, Resulting Numbers: [4, 104] Generated Node #3: [4, 104] from Operation: 126-22=104 Current State: 26:[4, 104], Operations: ['33+93=126', '126-22=104'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[33, 93, 22, 4], Operations: [] Exploring Operation: 93-22=71, Resulting Numbers: [33, 4, 71] Generated Node #0,0: 26:[33, 4, 71] Operation: 93-22=71 Exploring Operation: 93-33=60, Resulting Numbers: [22, 4, 60] Generated Node #0,1: 26:[22, 4, 60] Operation: 93-33=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[22, 4, 60], Operations: ['93-33=60'] Exploring Operation: 60/4=15, Resulting Numbers: [22, 15] Generated Node #0,1,0: 26:[22, 15] Operation: 60/4=15 Exploring Operation: 60-22=38, Resulting Numbers: [4, 38] Generated Node #0,1,1: 26:[4, 38] Operation: 60-22=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[22, 15], Operations: ['93-33=60', '60/4=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,26 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[4, 38], Operations: ['93-33=60', '60-22=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,26 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[33, 4, 71], Operations: ['93-22=71'] Exploring Operation: 71-33=38, Resulting Numbers: [4, 38] Generated Node #0,0,0: 26:[4, 38] Operation: 71-33=38 Exploring Operation: 33-4=29, Resulting Numbers: [71, 29] Generated Node #0,0,1: 26:[71, 29] Operation: 33-4=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[4, 38], Operations: ['93-22=71', '71-33=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,26 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[71, 29], Operations: ['93-22=71', '33-4=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,26 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_2
mult_heuristic
[ 78, 73, 66, 77 ]
67
[ "73-66=7", "77/7=11", "78-11=67" ]
Current State: 67:[78, 73, 66, 77], Operations: [] Exploring Operation: 73-66=7, Resulting Numbers: [78, 77, 7] Generated Node #2: [78, 77, 7] from Operation: 73-66=7 Current State: 67:[78, 77, 7], Operations: ['73-66=7'] Exploring Operation: 77/7=11, Resulting Numbers: [78, 11] Generated Node #3: [78, 11] from Operation: 77/7=11 Current State: 67:[78, 11], Operations: ['73-66=7', '77/7=11'] Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[78, 73, 66, 77], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [78, 73, 11] Generated Node #0,0: 67:[78, 73, 11] Operation: 77-66=11 Exploring Operation: 78-66=12, Resulting Numbers: [73, 77, 12] Generated Node #0,1: 67:[73, 77, 12] Operation: 78-66=12 Exploring Operation: 77-73=4, Resulting Numbers: [78, 66, 4] Generated Node #0,2: 67:[78, 66, 4] Operation: 77-73=4 Exploring Operation: 78-77=1, Resulting Numbers: [73, 66, 1] Generated Node #0,3: 67:[73, 66, 1] Operation: 78-77=1 Exploring Operation: 78-73=5, Resulting Numbers: [66, 77, 5] Generated Node #0,4: 67:[66, 77, 5] Operation: 78-73=5 Moving to Node #0,1 Current State: 67:[73, 77, 12], Operations: ['78-66=12'] Exploring Operation: 77-73=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 67:[12, 4] Operation: 77-73=4 Exploring Operation: 73+12=85, Resulting Numbers: [77, 85] Generated Node #0,1,1: 67:[77, 85] Operation: 73+12=85 Exploring Operation: 77+12=89, Resulting Numbers: [73, 89] Generated Node #0,1,2: 67:[73, 89] Operation: 77+12=89 Exploring Operation: 73-12=61, Resulting Numbers: [77, 61] Generated Node #0,1,3: 67:[77, 61] Operation: 73-12=61 Exploring Operation: 77-12=65, Resulting Numbers: [73, 65] Generated Node #0,1,4: 67:[73, 65] Operation: 77-12=65 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 67:[73, 65], Operations: ['78-66=12', '77-12=65'] Exploring Operation: 73*65=4745, Resulting Numbers: [4745] 4745,67 unequal: No Solution Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 73+65=138, Resulting Numbers: [138] 138,67 unequal: No Solution No 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: 67:[77, 61], Operations: ['78-66=12', '73-12=61'] Exploring Operation: 77+61=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 77*61=4697, Resulting Numbers: [4697] 4697,67 unequal: No Solution No 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: 67:[77, 85], Operations: ['78-66=12', '73+12=85'] Exploring Operation: 77*85=6545, Resulting Numbers: [6545] 6545,67 unequal: No Solution Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,67 unequal: No Solution No 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: 67:[73, 89], Operations: ['78-66=12', '77+12=89'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,67 unequal: No Solution No 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: 67:[12, 4], Operations: ['78-66=12', '77-73=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,67 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: 67:[73, 66, 1], Operations: ['78-77=1'] Exploring Operation: 66*1=66, Resulting Numbers: [73, 66] Generated Node #0,3,0: 67:[73, 66] Operation: 66*1=66 Exploring Operation: 73*1=73, Resulting Numbers: [66, 73] Generated Node #0,3,1: 67:[66, 73] Operation: 73*1=73 Exploring Operation: 73-1=72, Resulting Numbers: [66, 72] Generated Node #0,3,2: 67:[66, 72] Operation: 73-1=72 Exploring Operation: 66+1=67, Resulting Numbers: [73, 67] Generated Node #0,3,3: 67:[73, 67] Operation: 66+1=67 Exploring Operation: 73/1=73, Resulting Numbers: [66, 73] Generated Node #0,3,4: 67:[66, 73] Operation: 73/1=73 Moving to Node #0,0 Current State: 67:[78, 73, 11], Operations: ['77-66=11'] Exploring Operation: 73+11=84, Resulting Numbers: [78, 84] Generated Node #0,0,0: 67:[78, 84] Operation: 73+11=84 Exploring Operation: 73-11=62, Resulting Numbers: [78, 62] Generated Node #0,0,1: 67:[78, 62] Operation: 73-11=62 Exploring Operation: 78+11=89, Resulting Numbers: [73, 89] Generated Node #0,0,2: 67:[73, 89] Operation: 78+11=89 Exploring Operation: 78-11=67, Resulting Numbers: [73, 67] Generated Node #0,0,3: 67:[73, 67] Operation: 78-11=67 Exploring Operation: 78-73=5, Resulting Numbers: [11, 5] Generated Node #0,0,4: 67:[11, 5] Operation: 78-73=5 Moving to Node #0,4 Current State: 67:[66, 77, 5], Operations: ['78-73=5'] Exploring Operation: 66-5=61, Resulting Numbers: [77, 61] Generated Node #0,4,0: 67:[77, 61] Operation: 66-5=61 Exploring Operation: 66+5=71, Resulting Numbers: [77, 71] Generated Node #0,4,1: 67:[77, 71] Operation: 66+5=71 Exploring Operation: 77+5=82, Resulting Numbers: [66, 82] Generated Node #0,4,2: 67:[66, 82] Operation: 77+5=82 Exploring Operation: 77-66=11, Resulting Numbers: [5, 11] Generated Node #0,4,3: 67:[5, 11] Operation: 77-66=11 Exploring Operation: 77-5=72, Resulting Numbers: [66, 72] Generated Node #0,4,4: 67:[66, 72] Operation: 77-5=72 Moving to Node #0,2 Current State: 67:[78, 66, 4], Operations: ['77-73=4'] Exploring Operation: 66-4=62, Resulting Numbers: [78, 62] Generated Node #0,2,0: 67:[78, 62] Operation: 66-4=62 Exploring Operation: 78-4=74, Resulting Numbers: [66, 74] Generated Node #0,2,1: 67:[66, 74] Operation: 78-4=74 Exploring Operation: 66+4=70, Resulting Numbers: [78, 70] Generated Node #0,2,2: 67:[78, 70] Operation: 66+4=70 Exploring Operation: 78-66=12, Resulting Numbers: [4, 12] Generated Node #0,2,3: 67:[4, 12] Operation: 78-66=12 Exploring Operation: 78+4=82, Resulting Numbers: [66, 82] Generated Node #0,2,4: 67:[66, 82] Operation: 78+4=82 Moving to Node #0,3,2 Current State: 67:[66, 72], Operations: ['78-77=1', '73-1=72'] Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 66*72=4752, Resulting Numbers: [4752] 4752,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[73, 67], Operations: ['77-66=11', '78-11=67'] Exploring Operation: 73-67=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 73*67=4891, Resulting Numbers: [4891] 4891,67 unequal: No Solution Exploring Operation: 73+67=140, Resulting Numbers: [140] 140,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[73, 67], Operations: ['78-77=1', '66+1=67'] Exploring Operation: 73*67=4891, Resulting Numbers: [4891] 4891,67 unequal: No Solution Exploring Operation: 73-67=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 73+67=140, Resulting Numbers: [140] 140,67 unequal: No Solution Moving to Node #0,4,4 Current State: 67:[66, 72], Operations: ['78-73=5', '77-5=72'] Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 66*72=4752, Resulting Numbers: [4752] 4752,67 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[73, 66], Operations: ['78-77=1', '66*1=66'] Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,67 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[66, 73], Operations: ['78-77=1', '73/1=73'] Exploring Operation: 66+73=139, Resulting Numbers: [139] 139,67 unequal: No Solution Exploring Operation: 66*73=4818, Resulting Numbers: [4818] 4818,67 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[66, 73], Operations: ['78-77=1', '73*1=73'] Exploring Operation: 66*73=4818, Resulting Numbers: [4818] 4818,67 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 66+73=139, Resulting Numbers: [139] 139,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[66, 74], Operations: ['77-73=4', '78-4=74'] Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,67 unequal: No Solution Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,67 unequal: No Solution Moving to Node #0,4,1 Current State: 67:[77, 71], Operations: ['78-73=5', '66+5=71'] Exploring Operation: 77-71=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 77+71=148, Resulting Numbers: [148] 148,67 unequal: No Solution Exploring Operation: 77*71=5467, Resulting Numbers: [5467] 5467,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[78, 70], Operations: ['77-73=4', '66+4=70'] Exploring Operation: 78*70=5460, Resulting Numbers: [5460] 5460,67 unequal: No Solution Exploring Operation: 78+70=148, Resulting Numbers: [148] 148,67 unequal: No Solution Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[78, 62], Operations: ['77-66=11', '73-11=62'] Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,67 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[77, 61], Operations: ['78-73=5', '66-5=61'] Exploring Operation: 77+61=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 77*61=4697, Resulting Numbers: [4697] 4697,67 unequal: No Solution Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,67 unequal: No Solution Moving to Node #0,2,4 Current State: 67:[66, 82], Operations: ['77-73=4', '78+4=82'] Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,67 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,67 unequal: No Solution Moving to Node #0,4,2 Current State: 67:[66, 82], Operations: ['78-73=5', '77+5=82'] Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,67 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[78, 62], Operations: ['77-73=4', '66-4=62'] Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[73, 89], Operations: ['77-66=11', '78+11=89'] Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,67 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[78, 84], Operations: ['77-66=11', '73+11=84'] Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,67 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[11, 5], Operations: ['77-66=11', '78-73=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[4, 12], Operations: ['77-73=4', '78-66=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,67 unequal: No Solution Moving to Node #0,4,3 Current State: 67:[5, 11], Operations: ['78-73=5', '77-66=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,67 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 24, 83, 12, 22 ]
69
[ "83-24=59", "22-12=10", "59+10=69" ]
Current State: 69:[24, 83, 12, 22], Operations: [] Exploring Operation: 83-24=59, Resulting Numbers: [12, 22, 59] Generated Node #2: [12, 22, 59] from Operation: 83-24=59 Current State: 69:[12, 22, 59], Operations: ['83-24=59'] Exploring Operation: 22-12=10, Resulting Numbers: [59, 10] Generated Node #3: [59, 10] from Operation: 22-12=10 Current State: 69:[59, 10], Operations: ['83-24=59', '22-12=10'] Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[24, 83, 12, 22], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [24, 22, 71] Generated Node #0,0: 69:[24, 22, 71] Operation: 83-12=71 Exploring Operation: 24/12=2, Resulting Numbers: [83, 22, 2] Generated Node #0,1: 69:[83, 22, 2] Operation: 24/12=2 Exploring Operation: 83-22=61, Resulting Numbers: [24, 12, 61] Generated Node #0,2: 69:[24, 12, 61] Operation: 83-22=61 Moving to Node #0,0 Current State: 69:[24, 22, 71], Operations: ['83-12=71'] Exploring Operation: 24-22=2, Resulting Numbers: [71, 2] Generated Node #0,0,0: 69:[71, 2] Operation: 24-22=2 Exploring Operation: 71-24=47, Resulting Numbers: [22, 47] Generated Node #0,0,1: 69:[22, 47] Operation: 71-24=47 Exploring Operation: 71-22=49, Resulting Numbers: [24, 49] Generated Node #0,0,2: 69:[24, 49] Operation: 71-22=49 Moving to Node #0,1 Current State: 69:[83, 22, 2], Operations: ['24/12=2'] Exploring Operation: 22+2=24, Resulting Numbers: [83, 24] Generated Node #0,1,0: 69:[83, 24] Operation: 22+2=24 Exploring Operation: 83-22=61, Resulting Numbers: [2, 61] Generated Node #0,1,1: 69:[2, 61] Operation: 83-22=61 Exploring Operation: 83-2=81, Resulting Numbers: [22, 81] Generated Node #0,1,2: 69:[22, 81] Operation: 83-2=81 Moving to Node #0,2 Current State: 69:[24, 12, 61], Operations: ['83-22=61'] Exploring Operation: 24/12=2, Resulting Numbers: [61, 2] Generated Node #0,2,0: 69:[61, 2] Operation: 24/12=2 Exploring Operation: 24-12=12, Resulting Numbers: [61, 12] Generated Node #0,2,1: 69:[61, 12] Operation: 24-12=12 Exploring Operation: 12+61=73, Resulting Numbers: [24, 73] Generated Node #0,2,2: 69:[24, 73] Operation: 12+61=73 Moving to Node #0,0,0 Current State: 69:[71, 2], Operations: ['83-12=71', '24-22=2'] Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,69 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[24, 83, 12, 22], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [24, 22, 71] Generated Node #0,0: 69:[24, 22, 71] Operation: 83-12=71 Moving to Node #0,0 Current State: 69:[24, 22, 71], Operations: ['83-12=71'] Exploring Operation: 24-22=2, Resulting Numbers: [71, 2] Generated Node #0,0,0: 69:[71, 2] Operation: 24-22=2 Moving to Node #0,0,0 Current State: 69:[71, 2], Operations: ['83-12=71', '24-22=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 31, 76, 15, 45 ]
15
[ "76-31=45", "15+45=60", "60-45=15" ]
Current State: 15:[31, 76, 15, 45], Operations: [] Exploring Operation: 76-31=45, Resulting Numbers: [15, 45, 45] Generated Node #2: [15, 45, 45] from Operation: 76-31=45 Current State: 15:[15, 45, 45], Operations: ['76-31=45'] Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,15 equal: Goal Reached Exploring Operation: 60-45=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[31, 76, 15, 45], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [31, 15, 31] Generated Node #0,0: 15:[31, 15, 31] Operation: 76-45=31 Exploring Operation: 76-31=45, Resulting Numbers: [15, 45, 45] Generated Node #0,1: 15:[15, 45, 45] Operation: 76-31=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[31, 15, 31], Operations: ['76-45=31'] Exploring Operation: 31/31=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 15:[15, 1] Operation: 31/31=1 Exploring Operation: 31-31=0, Resulting Numbers: [15, 0] Generated Node #0,0,1: 15:[15, 0] Operation: 31-31=0 Moving to Node #0,0,0 Current State: 15:[15, 1], Operations: ['76-45=31', '31/31=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[31, 76, 15, 45], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [31, 15, 31] Generated Node #0,0: 15:[31, 15, 31] Operation: 76-45=31 Moving to Node #0,0 Current State: 15:[31, 15, 31], Operations: ['76-45=31'] Exploring Operation: 31/31=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 15:[15, 1] Operation: 31/31=1 Moving to Node #0,0,0 Current State: 15:[15, 1], Operations: ['76-45=31', '31/31=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 2, 94, 43, 50 ]
92
[ "43+50=93", "2*93=186", "186-94=92" ]
Current State: 92:[2, 94, 43, 50], Operations: [] Exploring Operation: 43+50=93, Resulting Numbers: [2, 94, 93] Generated Node #2: [2, 94, 93] from Operation: 43+50=93 Current State: 92:[2, 94, 93], Operations: ['43+50=93'] Exploring Operation: 2*93=186, Resulting Numbers: [94, 186] Generated Node #3: [94, 186] from Operation: 2*93=186 Current State: 92:[94, 186], Operations: ['43+50=93', '2*93=186'] Exploring Operation: 186-94=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[2, 94, 43, 50], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [2, 94, 7] Generated Node #0,0: 92:[2, 94, 7] Operation: 50-43=7 Exploring Operation: 94-50=44, Resulting Numbers: [2, 43, 44] Generated Node #0,1: 92:[2, 43, 44] Operation: 94-50=44 Exploring Operation: 43+50=93, Resulting Numbers: [2, 94, 93] Generated Node #0,2: 92:[2, 94, 93] Operation: 43+50=93 Moving to Node #0,2 Current State: 92:[2, 94, 93], Operations: ['43+50=93'] Exploring Operation: 94-93=1, Resulting Numbers: [2, 1] Generated Node #0,2,0: 92:[2, 1] Operation: 94-93=1 Exploring Operation: 94/2=47, Resulting Numbers: [93, 47] Generated Node #0,2,1: 92:[93, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [93, 92] Generated Node #0,2,2: 92:[93, 92] Operation: 94-2=92 Moving to Node #0,0 Current State: 92:[2, 94, 7], Operations: ['50-43=7'] Exploring Operation: 94/2=47, Resulting Numbers: [7, 47] Generated Node #0,0,0: 92:[7, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [7, 92] Generated Node #0,0,1: 92:[7, 92] Operation: 94-2=92 Exploring Operation: 7-2=5, Resulting Numbers: [94, 5] Generated Node #0,0,2: 92:[94, 5] Operation: 7-2=5 Moving to Node #0,1 Current State: 92:[2, 43, 44], Operations: ['94-50=44'] Exploring Operation: 44-43=1, Resulting Numbers: [2, 1] Generated Node #0,1,0: 92:[2, 1] Operation: 44-43=1 Exploring Operation: 2+44=46, Resulting Numbers: [43, 46] Generated Node #0,1,1: 92:[43, 46] Operation: 2+44=46 Exploring Operation: 2+43=45, Resulting Numbers: [44, 45] Generated Node #0,1,2: 92:[44, 45] Operation: 2+43=45 Moving to Node #0,2,0 Current State: 92:[2, 1], Operations: ['43+50=93', '94-93=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[2, 1], Operations: ['94-50=44', '44-43=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[93, 92], Operations: ['43+50=93', '94-2=92'] Exploring Operation: 93*92=8556, Resulting Numbers: [8556] 8556,92 unequal: No Solution Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 93+92=185, Resulting Numbers: [185] 185,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[93, 47], Operations: ['43+50=93', '94/2=47'] Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,92 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[44, 45], Operations: ['94-50=44', '2+43=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,92 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[94, 5], Operations: ['50-43=7', '7-2=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,92 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,92 unequal: No Solution Exploring Operation: 94*5=470, Resulting Numbers: [470] 470,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[7, 92], Operations: ['50-43=7', '94-2=92'] Exploring Operation: 7*92=644, Resulting Numbers: [644] 644,92 unequal: No Solution Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,92 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[43, 46], Operations: ['94-50=44', '2+44=46'] Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,92 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[7, 47], Operations: ['50-43=7', '94/2=47'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,92 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 24, 39, 40, 29 ]
26
[ "39-24=15", "40-29=11", "15+11=26" ]
Current State: 26:[24, 39, 40, 29], Operations: [] Exploring Operation: 39-24=15, Resulting Numbers: [40, 29, 15] Generated Node #2: [40, 29, 15] from Operation: 39-24=15 Current State: 26:[40, 29, 15], Operations: ['39-24=15'] Exploring Operation: 40-29=11, Resulting Numbers: [15, 11] Generated Node #3: [15, 11] from Operation: 40-29=11 Current State: 26:[15, 11], Operations: ['39-24=15', '40-29=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[24, 39, 40, 29], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [24, 39, 11] Generated Node #0,0: 26:[24, 39, 11] Operation: 40-29=11 Exploring Operation: 40-39=1, Resulting Numbers: [24, 29, 1] Generated Node #0,1: 26:[24, 29, 1] Operation: 40-39=1 Moving to Node #0,1 Current State: 26:[24, 29, 1], Operations: ['40-39=1'] Exploring Operation: 24+1=25, Resulting Numbers: [29, 25] Generated Node #0,1,0: 26:[29, 25] Operation: 24+1=25 Exploring Operation: 29-24=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 26:[1, 5] Operation: 29-24=5 Moving to Node #0,0 Current State: 26:[24, 39, 11], Operations: ['40-29=11'] Exploring Operation: 39-11=28, Resulting Numbers: [24, 28] Generated Node #0,0,0: 26:[24, 28] Operation: 39-11=28 Exploring Operation: 39-24=15, Resulting Numbers: [11, 15] Generated Node #0,0,1: 26:[11, 15] Operation: 39-24=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[24, 28], Operations: ['40-29=11', '39-11=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[11, 15], Operations: ['40-29=11', '39-24=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[24, 39, 40, 29], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [24, 39, 11] Generated Node #0,0: 26:[24, 39, 11] Operation: 40-29=11 Moving to Node #0,0 Current State: 26:[24, 39, 11], Operations: ['40-29=11'] Exploring Operation: 39-24=15, Resulting Numbers: [11, 15] Generated Node #0,0,1: 26:[11, 15] Operation: 39-24=15 Moving to Node #0,0,1 Current State: 26:[11, 15], Operations: ['40-29=11', '39-24=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
mult_heuristic
[ 58, 22, 41, 65 ]
25
[ "58+65=123", "123/41=3", "22+3=25" ]
Current State: 25:[58, 22, 41, 65], Operations: [] Exploring Operation: 58+65=123, Resulting Numbers: [22, 41, 123] Generated Node #2: [22, 41, 123] from Operation: 58+65=123 Current State: 25:[22, 41, 123], Operations: ['58+65=123'] Exploring Operation: 123/41=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 123/41=3 Current State: 25:[22, 3], Operations: ['58+65=123', '123/41=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[58, 22, 41, 65], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [22, 41, 7] Generated Node #0,0: 25:[22, 41, 7] Operation: 65-58=7 Exploring Operation: 65-41=24, Resulting Numbers: [58, 22, 24] Generated Node #0,1: 25:[58, 22, 24] Operation: 65-41=24 Exploring Operation: 58-41=17, Resulting Numbers: [22, 65, 17] Generated Node #0,2: 25:[22, 65, 17] Operation: 58-41=17 Moving to Node #0,0 Current State: 25:[22, 41, 7], Operations: ['65-58=7'] Exploring Operation: 41-7=34, Resulting Numbers: [22, 34] Generated Node #0,0,0: 25:[22, 34] Operation: 41-7=34 Exploring Operation: 41-22=19, Resulting Numbers: [7, 19] Generated Node #0,0,1: 25:[7, 19] Operation: 41-22=19 Exploring Operation: 22+7=29, Resulting Numbers: [41, 29] Generated Node #0,0,2: 25:[41, 29] Operation: 22+7=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[7, 19], Operations: ['65-58=7', '41-22=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 7*19=133, Resulting Numbers: [133] 133,25 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 #0,0,0 Current State: 25:[22, 34], Operations: ['65-58=7', '41-7=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,25 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,25 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 #0,0,2 Current State: 25:[41, 29], Operations: ['65-58=7', '22+7=29'] Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,25 unequal: No Solution Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,25 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: 25:[58, 22, 24], Operations: ['65-41=24'] Exploring Operation: 24-22=2, Resulting Numbers: [58, 2] Generated Node #0,1,0: 25:[58, 2] Operation: 24-22=2 Exploring Operation: 58-22=36, Resulting Numbers: [24, 36] Generated Node #0,1,1: 25:[24, 36] Operation: 58-22=36 Exploring Operation: 58-24=34, Resulting Numbers: [22, 34] Generated Node #0,1,2: 25:[22, 34] Operation: 58-24=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[24, 36], Operations: ['65-41=24', '58-22=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[22, 34], Operations: ['65-41=24', '58-24=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,25 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[58, 2], Operations: ['65-41=24', '24-22=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,25 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: 25:[22, 65, 17], Operations: ['58-41=17'] Exploring Operation: 22-17=5, Resulting Numbers: [65, 5] Generated Node #0,2,0: 25:[65, 5] Operation: 22-17=5 Exploring Operation: 65-17=48, Resulting Numbers: [22, 48] Generated Node #0,2,1: 25:[22, 48] Operation: 65-17=48 Exploring Operation: 65-22=43, Resulting Numbers: [17, 43] Generated Node #0,2,2: 25:[17, 43] Operation: 65-22=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[22, 48], Operations: ['58-41=17', '65-17=48'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,25 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 #0,2,2 Current State: 25:[17, 43], Operations: ['58-41=17', '65-22=43'] Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,25 unequal: No Solution Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 43-17=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 #0,2,0 Current State: 25:[65, 5], Operations: ['58-41=17', '22-17=5'] Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,25 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
[ 42, 33, 32, 29 ]
50
[ "33-29=4", "32/4=8", "42+8=50" ]
Current State: 50:[42, 33, 32, 29], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [42, 32, 4] Generated Node #2: [42, 32, 4] from Operation: 33-29=4 Current State: 50:[42, 32, 4], Operations: ['33-29=4'] Exploring Operation: 32/4=8, Resulting Numbers: [42, 8] Generated Node #3: [42, 8] from Operation: 32/4=8 Current State: 50:[42, 8], Operations: ['33-29=4', '32/4=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[42, 33, 32, 29], Operations: [] Exploring Operation: 42-33=9, Resulting Numbers: [32, 29, 9] Generated Node #0,0: 50:[32, 29, 9] Operation: 42-33=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[32, 29, 9], Operations: ['42-33=9'] Exploring Operation: 32-29=3, Resulting Numbers: [9, 3] Generated Node #0,0,0: 50:[9, 3] Operation: 32-29=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[9, 3], Operations: ['42-33=9', '32-29=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,50 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_1
mult_heuristic
[ 83, 3, 40, 52 ]
11
[ "83+40=123", "123/3=41", "52-41=11" ]
Current State: 11:[83, 3, 40, 52], Operations: [] Exploring Operation: 83+40=123, Resulting Numbers: [3, 52, 123] Generated Node #2: [3, 52, 123] from Operation: 83+40=123 Current State: 11:[3, 52, 123], Operations: ['83+40=123'] Exploring Operation: 123/3=41, Resulting Numbers: [52, 41] Generated Node #3: [52, 41] from Operation: 123/3=41 Current State: 11:[52, 41], Operations: ['83+40=123', '123/3=41'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[83, 3, 40, 52], Operations: [] Exploring Operation: 83-52=31, Resulting Numbers: [3, 40, 31] Generated Node #0,0: 11:[3, 40, 31] Operation: 83-52=31 Moving to Node #0,0 Current State: 11:[3, 40, 31], Operations: ['83-52=31'] Exploring Operation: 40-31=9, Resulting Numbers: [3, 9] Generated Node #0,0,0: 11:[3, 9] Operation: 40-31=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[3, 9], Operations: ['83-52=31', '40-31=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,11 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
[ 44, 96, 40, 26 ]
66
[ "96-44=52", "40-26=14", "52+14=66" ]
Current State: 66:[44, 96, 40, 26], Operations: [] Exploring Operation: 96-44=52, Resulting Numbers: [40, 26, 52] Generated Node #2: [40, 26, 52] from Operation: 96-44=52 Current State: 66:[40, 26, 52], Operations: ['96-44=52'] Exploring Operation: 40-26=14, Resulting Numbers: [52, 14] Generated Node #3: [52, 14] from Operation: 40-26=14 Current State: 66:[52, 14], Operations: ['96-44=52', '40-26=14'] Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[44, 96, 40, 26], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [96, 26, 4] Generated Node #0,0: 66:[96, 26, 4] Operation: 44-40=4 Exploring Operation: 96-44=52, Resulting Numbers: [40, 26, 52] Generated Node #0,1: 66:[40, 26, 52] Operation: 96-44=52 Exploring Operation: 96-26=70, Resulting Numbers: [44, 40, 70] Generated Node #0,2: 66:[44, 40, 70] Operation: 96-26=70 Exploring Operation: 96-40=56, Resulting Numbers: [44, 26, 56] Generated Node #0,3: 66:[44, 26, 56] Operation: 96-40=56 Moving to Node #0,2 Current State: 66:[44, 40, 70], Operations: ['96-26=70'] Exploring Operation: 70-40=30, Resulting Numbers: [44, 30] Generated Node #0,2,0: 66:[44, 30] Operation: 70-40=30 Exploring Operation: 44+40=84, Resulting Numbers: [70, 84] Generated Node #0,2,1: 66:[70, 84] Operation: 44+40=84 Exploring Operation: 44-40=4, Resulting Numbers: [70, 4] Generated Node #0,2,2: 66:[70, 4] Operation: 44-40=4 Exploring Operation: 70-44=26, Resulting Numbers: [40, 26] Generated Node #0,2,3: 66:[40, 26] Operation: 70-44=26 Moving to Node #0,3 Current State: 66:[44, 26, 56], Operations: ['96-40=56'] Exploring Operation: 44-26=18, Resulting Numbers: [56, 18] Generated Node #0,3,0: 66:[56, 18] Operation: 44-26=18 Exploring Operation: 44+26=70, Resulting Numbers: [56, 70] Generated Node #0,3,1: 66:[56, 70] Operation: 44+26=70 Exploring Operation: 56-44=12, Resulting Numbers: [26, 12] Generated Node #0,3,2: 66:[26, 12] Operation: 56-44=12 Exploring Operation: 56-26=30, Resulting Numbers: [44, 30] Generated Node #0,3,3: 66:[44, 30] Operation: 56-26=30 Moving to Node #0,1 Current State: 66:[40, 26, 52], Operations: ['96-44=52'] Exploring Operation: 40+26=66, Resulting Numbers: [52, 66] Generated Node #0,1,0: 66:[52, 66] Operation: 40+26=66 Exploring Operation: 52-26=26, Resulting Numbers: [40, 26] Generated Node #0,1,1: 66:[40, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [40, 2] Generated Node #0,1,2: 66:[40, 2] Operation: 52/26=2 Exploring Operation: 52-40=12, Resulting Numbers: [26, 12] Generated Node #0,1,3: 66:[26, 12] Operation: 52-40=12 Moving to Node #0,0 Current State: 66:[96, 26, 4], Operations: ['44-40=4'] Exploring Operation: 96-4=92, Resulting Numbers: [26, 92] Generated Node #0,0,0: 66:[26, 92] Operation: 96-4=92 Exploring Operation: 26-4=22, Resulting Numbers: [96, 22] Generated Node #0,0,1: 66:[96, 22] Operation: 26-4=22 Exploring Operation: 96/4=24, Resulting Numbers: [26, 24] Generated Node #0,0,2: 66:[26, 24] Operation: 96/4=24 Exploring Operation: 96-26=70, Resulting Numbers: [4, 70] Generated Node #0,0,3: 66:[4, 70] Operation: 96-26=70 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[4, 70], Operations: ['44-40=4', '96-26=70'] Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,66 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[44, 96, 40, 26], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [96, 26, 4] Generated Node #0,0: 66:[96, 26, 4] Operation: 44-40=4 Moving to Node #0,0 Current State: 66:[96, 26, 4], Operations: ['44-40=4'] Exploring Operation: 96-26=70, Resulting Numbers: [4, 70] Generated Node #0,0,3: 66:[4, 70] Operation: 96-26=70 Moving to Node #0,0,3 Current State: 66:[4, 70], Operations: ['44-40=4', '96-26=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
mult_heuristic
[ 53, 78, 4, 38 ]
89
[ "53+78=131", "4+38=42", "131-42=89" ]
Current State: 89:[53, 78, 4, 38], Operations: [] Exploring Operation: 53+78=131, Resulting Numbers: [4, 38, 131] Generated Node #2: [4, 38, 131] from Operation: 53+78=131 Current State: 89:[4, 38, 131], Operations: ['53+78=131'] Exploring Operation: 4+38=42, Resulting Numbers: [131, 42] Generated Node #3: [131, 42] from Operation: 4+38=42 Current State: 89:[131, 42], Operations: ['53+78=131', '4+38=42'] Exploring Operation: 131-42=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[53, 78, 4, 38], Operations: [] Exploring Operation: 53+38=91, Resulting Numbers: [78, 4, 91] Generated Node #0,0: 89:[78, 4, 91] Operation: 53+38=91 Exploring Operation: 78+4=82, Resulting Numbers: [53, 38, 82] Generated Node #0,1: 89:[53, 38, 82] Operation: 78+4=82 Exploring Operation: 53+4=57, Resulting Numbers: [78, 38, 57] Generated Node #0,2: 89:[78, 38, 57] Operation: 53+4=57 Exploring Operation: 4+38=42, Resulting Numbers: [53, 78, 42] Generated Node #0,3: 89:[53, 78, 42] Operation: 4+38=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[53, 38, 82], Operations: ['78+4=82'] Exploring Operation: 82-38=44, Resulting Numbers: [53, 44] Generated Node #0,1,0: 89:[53, 44] Operation: 82-38=44 Exploring Operation: 53-38=15, Resulting Numbers: [82, 15] Generated Node #0,1,1: 89:[82, 15] Operation: 53-38=15 Exploring Operation: 53+38=91, Resulting Numbers: [82, 91] Generated Node #0,1,2: 89:[82, 91] Operation: 53+38=91 Exploring Operation: 38+82=120, Resulting Numbers: [53, 120] Generated Node #0,1,3: 89:[53, 120] Operation: 38+82=120 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[82, 91], Operations: ['78+4=82', '53+38=91'] Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,89 unequal: No Solution Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 89:[53, 120], Operations: ['78+4=82', '38+82=120'] Exploring Operation: 120-53=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 53+120=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 53*120=6360, Resulting Numbers: [6360] 6360,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[53, 44], Operations: ['78+4=82', '82-38=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,89 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[82, 15], Operations: ['78+4=82', '53-38=15'] Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,89 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[78, 38, 57], Operations: ['53+4=57'] Exploring Operation: 38+57=95, Resulting Numbers: [78, 95] Generated Node #0,2,0: 89:[78, 95] Operation: 38+57=95 Exploring Operation: 57-38=19, Resulting Numbers: [78, 19] Generated Node #0,2,1: 89:[78, 19] Operation: 57-38=19 Exploring Operation: 78+38=116, Resulting Numbers: [57, 116] Generated Node #0,2,2: 89:[57, 116] Operation: 78+38=116 Exploring Operation: 78-38=40, Resulting Numbers: [57, 40] Generated Node #0,2,3: 89:[57, 40] Operation: 78-38=40 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[78, 95], Operations: ['53+4=57', '38+57=95'] Exploring Operation: 78*95=7410, Resulting Numbers: [7410] 7410,89 unequal: No Solution Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 78+95=173, Resulting Numbers: [173] 173,89 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:[57, 116], Operations: ['53+4=57', '78+38=116'] Exploring Operation: 57*116=6612, Resulting Numbers: [6612] 6612,89 unequal: No Solution Exploring Operation: 116-57=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 57+116=173, Resulting Numbers: [173] 173,89 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:[78, 19], Operations: ['53+4=57', '57-38=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,89 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 #0,2,3 Current State: 89:[57, 40], Operations: ['53+4=57', '78-38=40'] Exploring Operation: 57*40=2280, Resulting Numbers: [2280] 2280,89 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[53, 78, 42], Operations: ['4+38=42'] Exploring Operation: 53-42=11, Resulting Numbers: [78, 11] Generated Node #0,3,0: 89:[78, 11] Operation: 53-42=11 Exploring Operation: 53+78=131, Resulting Numbers: [42, 131] Generated Node #0,3,1: 89:[42, 131] Operation: 53+78=131 Exploring Operation: 78+42=120, Resulting Numbers: [53, 120] Generated Node #0,3,2: 89:[53, 120] Operation: 78+42=120 Exploring Operation: 53+42=95, Resulting Numbers: [78, 95] Generated Node #0,3,3: 89:[78, 95] Operation: 53+42=95 Moving to Node #0,3,3 Current State: 89:[78, 95], Operations: ['4+38=42', '53+42=95'] Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 78+95=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 78*95=7410, Resulting Numbers: [7410] 7410,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[53, 120], Operations: ['4+38=42', '78+42=120'] Exploring Operation: 53*120=6360, Resulting Numbers: [6360] 6360,89 unequal: No Solution Exploring Operation: 120-53=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 53+120=173, Resulting Numbers: [173] 173,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[42, 131], Operations: ['4+38=42', '53+78=131'] Exploring Operation: 131-42=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[53, 78, 4, 38], Operations: [] Exploring Operation: 4+38=42, Resulting Numbers: [53, 78, 42] Generated Node #0,3: 89:[53, 78, 42] Operation: 4+38=42 Moving to Node #0,3 Current State: 89:[53, 78, 42], Operations: ['4+38=42'] Exploring Operation: 53+78=131, Resulting Numbers: [42, 131] Generated Node #0,3,1: 89:[42, 131] Operation: 53+78=131 Moving to Node #0,3,1 Current State: 89:[42, 131], Operations: ['4+38=42', '53+78=131'] Exploring Operation: 131-42=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 41, 98, 8, 2 ]
67
[ "98-41=57", "8+2=10", "57+10=67" ]
Current State: 67:[41, 98, 8, 2], Operations: [] Exploring Operation: 98-41=57, Resulting Numbers: [8, 2, 57] Generated Node #2: [8, 2, 57] from Operation: 98-41=57 Current State: 67:[8, 2, 57], Operations: ['98-41=57'] Exploring Operation: 8+2=10, Resulting Numbers: [57, 10] Generated Node #3: [57, 10] from Operation: 8+2=10 Current State: 67:[57, 10], Operations: ['98-41=57', '8+2=10'] Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[41, 98, 8, 2], Operations: [] Exploring Operation: 98/2=49, Resulting Numbers: [41, 8, 49] Generated Node #0,0: 67:[41, 8, 49] Operation: 98/2=49 Moving to Node #0,0 Current State: 67:[41, 8, 49], Operations: ['98/2=49'] Exploring Operation: 41+8=49, Resulting Numbers: [49, 49] Generated Node #0,0,0: 67:[49, 49] Operation: 41+8=49 Moving to Node #0,0,0 Current State: 67:[49, 49], Operations: ['98/2=49', '41+8=49'] Exploring Operation: 49+49=98, Resulting Numbers: [98] 98,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 91, 21, 10, 69 ]
37
[ "91+69=160", "160/10=16", "21+16=37" ]
Current State: 37:[91, 21, 10, 69], Operations: [] Exploring Operation: 91+69=160, Resulting Numbers: [21, 10, 160] Generated Node #2: [21, 10, 160] from Operation: 91+69=160 Current State: 37:[21, 10, 160], Operations: ['91+69=160'] Exploring Operation: 160/10=16, Resulting Numbers: [21, 16] Generated Node #3: [21, 16] from Operation: 160/10=16 Current State: 37:[21, 16], Operations: ['91+69=160', '160/10=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[91, 21, 10, 69], Operations: [] Exploring Operation: 21+10=31, Resulting Numbers: [91, 69, 31] Generated Node #0,0: 37:[91, 69, 31] Operation: 21+10=31 Exploring Operation: 91-10=81, Resulting Numbers: [21, 69, 81] Generated Node #0,1: 37:[21, 69, 81] Operation: 91-10=81 Exploring Operation: 91-69=22, Resulting Numbers: [21, 10, 22] Generated Node #0,2: 37:[21, 10, 22] Operation: 91-69=22 Exploring Operation: 69-21=48, Resulting Numbers: [91, 10, 48] Generated Node #0,3: 37:[91, 10, 48] Operation: 69-21=48 Exploring Operation: 91-21=70, Resulting Numbers: [10, 69, 70] Generated Node #0,4: 37:[10, 69, 70] Operation: 91-21=70 Moving to Node #0,2 Current State: 37:[21, 10, 22], Operations: ['91-69=22'] Exploring Operation: 22-10=12, Resulting Numbers: [21, 12] Generated Node #0,2,0: 37:[21, 12] Operation: 22-10=12 Exploring Operation: 10+22=32, Resulting Numbers: [21, 32] Generated Node #0,2,1: 37:[21, 32] Operation: 10+22=32 Exploring Operation: 21+22=43, Resulting Numbers: [10, 43] Generated Node #0,2,2: 37:[10, 43] Operation: 21+22=43 Exploring Operation: 21+10=31, Resulting Numbers: [22, 31] Generated Node #0,2,3: 37:[22, 31] Operation: 21+10=31 Exploring Operation: 21-10=11, Resulting Numbers: [22, 11] Generated Node #0,2,4: 37:[22, 11] Operation: 21-10=11 Moving to Node #0,1 Current State: 37:[21, 69, 81], Operations: ['91-10=81'] Exploring Operation: 81-21=60, Resulting Numbers: [69, 60] Generated Node #0,1,0: 37:[69, 60] Operation: 81-21=60 Exploring Operation: 69-21=48, Resulting Numbers: [81, 48] Generated Node #0,1,1: 37:[81, 48] Operation: 69-21=48 Exploring Operation: 21+81=102, Resulting Numbers: [69, 102] Generated Node #0,1,2: 37:[69, 102] Operation: 21+81=102 Exploring Operation: 81-69=12, Resulting Numbers: [21, 12] Generated Node #0,1,3: 37:[21, 12] Operation: 81-69=12 Exploring Operation: 21+69=90, Resulting Numbers: [81, 90] Generated Node #0,1,4: 37:[81, 90] Operation: 21+69=90 Moving to Node #0,4 Current State: 37:[10, 69, 70], Operations: ['91-21=70'] Exploring Operation: 69-10=59, Resulting Numbers: [70, 59] Generated Node #0,4,0: 37:[70, 59] Operation: 69-10=59 Exploring Operation: 70/10=7, Resulting Numbers: [69, 7] Generated Node #0,4,1: 37:[69, 7] Operation: 70/10=7 Exploring Operation: 70-69=1, Resulting Numbers: [10, 1] Generated Node #0,4,2: 37:[10, 1] Operation: 70-69=1 Exploring Operation: 10+69=79, Resulting Numbers: [70, 79] Generated Node #0,4,3: 37:[70, 79] Operation: 10+69=79 Exploring Operation: 70-10=60, Resulting Numbers: [69, 60] Generated Node #0,4,4: 37:[69, 60] Operation: 70-10=60 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 37:[70, 59], Operations: ['91-21=70', '69-10=59'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 70*59=4130, Resulting Numbers: [4130] 4130,37 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 37:[69, 60], Operations: ['91-21=70', '70-10=60'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 37:[69, 7], Operations: ['91-21=70', '70/10=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 69*7=483, Resulting Numbers: [483] 483,37 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 37:[10, 1], Operations: ['91-21=70', '70-69=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 37:[70, 79], Operations: ['91-21=70', '10+69=79'] Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,37 unequal: No Solution Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 37:[91, 69, 31], Operations: ['21+10=31'] Exploring Operation: 69+31=100, Resulting Numbers: [91, 100] Generated Node #0,0,0: 37:[91, 100] Operation: 69+31=100 Exploring Operation: 91-31=60, Resulting Numbers: [69, 60] Generated Node #0,0,1: 37:[69, 60] Operation: 91-31=60 Exploring Operation: 91+31=122, Resulting Numbers: [69, 122] Generated Node #0,0,2: 37:[69, 122] Operation: 91+31=122 Exploring Operation: 91-69=22, Resulting Numbers: [31, 22] Generated Node #0,0,3: 37:[31, 22] Operation: 91-69=22 Exploring Operation: 69-31=38, Resulting Numbers: [91, 38] Generated Node #0,0,4: 37:[91, 38] Operation: 69-31=38 Moving to Node #0,3 Current State: 37:[91, 10, 48], Operations: ['69-21=48'] Exploring Operation: 91-10=81, Resulting Numbers: [48, 81] Generated Node #0,3,0: 37:[48, 81] Operation: 91-10=81 Exploring Operation: 91+10=101, Resulting Numbers: [48, 101] Generated Node #0,3,1: 37:[48, 101] Operation: 91+10=101 Exploring Operation: 48-10=38, Resulting Numbers: [91, 38] Generated Node #0,3,2: 37:[91, 38] Operation: 48-10=38 Exploring Operation: 91-48=43, Resulting Numbers: [10, 43] Generated Node #0,3,3: 37:[10, 43] Operation: 91-48=43 Exploring Operation: 10+48=58, Resulting Numbers: [91, 58] Generated Node #0,3,4: 37:[91, 58] Operation: 10+48=58 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[10, 43], Operations: ['69-21=48', '91-48=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 37:[48, 81], Operations: ['69-21=48', '91-10=81'] Exploring Operation: 48+81=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 48*81=3888, Resulting Numbers: [3888] 3888,37 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[91, 38], Operations: ['69-21=48', '48-10=38'] Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 91*38=3458, Resulting Numbers: [3458] 3458,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 37:[48, 101], Operations: ['69-21=48', '91+10=101'] Exploring Operation: 48*101=4848, Resulting Numbers: [4848] 4848,37 unequal: No Solution Exploring Operation: 48+101=149, Resulting Numbers: [149] 149,37 unequal: No Solution Exploring Operation: 101-48=53, Resulting Numbers: [53] 53,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 37:[91, 58], Operations: ['69-21=48', '10+48=58'] Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,37 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 37:[21, 32], Operations: ['91-69=22', '10+22=32'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,37 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[22, 31], Operations: ['91-69=22', '21+10=31'] Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 22*31=682, Resulting Numbers: [682] 682,37 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[31, 22], Operations: ['21+10=31', '91-69=22'] Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[10, 43], Operations: ['91-69=22', '21+22=43'] Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,37 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[21, 12], Operations: ['91-10=81', '81-69=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[22, 11], Operations: ['91-69=22', '21-10=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,37 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[21, 12], Operations: ['91-69=22', '22-10=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,37 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[69, 60], Operations: ['91-10=81', '81-21=60'] Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,37 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,37 unequal: No Solution Moving to Node #0,0,4 Current State: 37:[91, 38], Operations: ['21+10=31', '69-31=38'] Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 91*38=3458, Resulting Numbers: [3458] 3458,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[69, 60], Operations: ['21+10=31', '91-31=60'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[81, 48], Operations: ['91-10=81', '69-21=48'] Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,37 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,37 unequal: No Solution Moving to Node #0,1,4 Current State: 37:[81, 90], Operations: ['91-10=81', '21+69=90'] Exploring Operation: 81*90=7290, Resulting Numbers: [7290] 7290,37 unequal: No Solution Exploring Operation: 90-81=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 81+90=171, Resulting Numbers: [171] 171,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[69, 102], Operations: ['91-10=81', '21+81=102'] Exploring Operation: 102-69=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 69+102=171, Resulting Numbers: [171] 171,37 unequal: No Solution Exploring Operation: 69*102=7038, Resulting Numbers: [7038] 7038,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[91, 100], Operations: ['21+10=31', '69+31=100'] Exploring Operation: 91+100=191, Resulting Numbers: [191] 191,37 unequal: No Solution Exploring Operation: 91*100=9100, Resulting Numbers: [9100] 9100,37 unequal: No Solution Exploring Operation: 100-91=9, Resulting Numbers: [9] 9,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[69, 122], Operations: ['21+10=31', '91+31=122'] Exploring Operation: 69*122=8418, Resulting Numbers: [8418] 8418,37 unequal: No Solution Exploring Operation: 69+122=191, Resulting Numbers: [191] 191,37 unequal: No Solution Exploring Operation: 122-69=53, Resulting Numbers: [53] 53,37 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 90, 14, 15, 2 ]
32
[ "14+15=29", "2*29=58", "90-58=32" ]
Current State: 32:[90, 14, 15, 2], Operations: [] Exploring Operation: 14+15=29, Resulting Numbers: [90, 2, 29] Generated Node #2: [90, 2, 29] from Operation: 14+15=29 Current State: 32:[90, 2, 29], Operations: ['14+15=29'] Exploring Operation: 2*29=58, Resulting Numbers: [90, 58] Generated Node #3: [90, 58] from Operation: 2*29=58 Current State: 32:[90, 58], Operations: ['14+15=29', '2*29=58'] Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[90, 14, 15, 2], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [14, 15, 45] Generated Node #0,0: 32:[14, 15, 45] Operation: 90/2=45 Exploring Operation: 90/15=6, Resulting Numbers: [14, 2, 6] Generated Node #0,1: 32:[14, 2, 6] Operation: 90/15=6 Exploring Operation: 90-2=88, Resulting Numbers: [14, 15, 88] Generated Node #0,2: 32:[14, 15, 88] Operation: 90-2=88 Exploring Operation: 90-14=76, Resulting Numbers: [15, 2, 76] Generated Node #0,3: 32:[15, 2, 76] Operation: 90-14=76 Exploring Operation: 90-15=75, Resulting Numbers: [14, 2, 75] Generated Node #0,4: 32:[14, 2, 75] Operation: 90-15=75 Moving to Node #0,1 Current State: 32:[14, 2, 6], Operations: ['90/15=6'] Exploring Operation: 14/2=7, Resulting Numbers: [6, 7] Generated Node #0,1,0: 32:[6, 7] Operation: 14/2=7 Exploring Operation: 2+6=8, Resulting Numbers: [14, 8] Generated Node #0,1,1: 32:[14, 8] Operation: 2+6=8 Exploring Operation: 14-6=8, Resulting Numbers: [2, 8] Generated Node #0,1,2: 32:[2, 8] Operation: 14-6=8 Exploring Operation: 6-2=4, Resulting Numbers: [14, 4] Generated Node #0,1,3: 32:[14, 4] Operation: 6-2=4 Exploring Operation: 14+2=16, Resulting Numbers: [6, 16] Generated Node #0,1,4: 32:[6, 16] Operation: 14+2=16 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[2, 8], Operations: ['90/15=6', '14-6=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,32 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 #0,1,1 Current State: 32:[14, 8], Operations: ['90/15=6', '2+6=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,32 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 #0,1,3 Current State: 32:[14, 4], Operations: ['90/15=6', '6-2=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,32 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 #0,1,4 Current State: 32:[6, 16], Operations: ['90/15=6', '14+2=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,32 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,32 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 #0,1,0 Current State: 32:[6, 7], Operations: ['90/15=6', '14/2=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,32 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: 32:[14, 15, 45], Operations: ['90/2=45'] Exploring Operation: 45-15=30, Resulting Numbers: [14, 30] Generated Node #0,0,0: 32:[14, 30] Operation: 45-15=30 Exploring Operation: 14+15=29, Resulting Numbers: [45, 29] Generated Node #0,0,1: 32:[45, 29] Operation: 14+15=29 Exploring Operation: 15-14=1, Resulting Numbers: [45, 1] Generated Node #0,0,2: 32:[45, 1] Operation: 15-14=1 Exploring Operation: 45-14=31, Resulting Numbers: [15, 31] Generated Node #0,0,3: 32:[15, 31] Operation: 45-14=31 Exploring Operation: 45/15=3, Resulting Numbers: [14, 3] Generated Node #0,0,4: 32:[14, 3] Operation: 45/15=3 Moving to Node #0,3 Current State: 32:[15, 2, 76], Operations: ['90-14=76'] Exploring Operation: 76-15=61, Resulting Numbers: [2, 61] Generated Node #0,3,0: 32:[2, 61] Operation: 76-15=61 Exploring Operation: 15*2=30, Resulting Numbers: [76, 30] Generated Node #0,3,1: 32:[76, 30] Operation: 15*2=30 Exploring Operation: 76/2=38, Resulting Numbers: [15, 38] Generated Node #0,3,2: 32:[15, 38] Operation: 76/2=38 Exploring Operation: 15+2=17, Resulting Numbers: [76, 17] Generated Node #0,3,3: 32:[76, 17] Operation: 15+2=17 Exploring Operation: 76-2=74, Resulting Numbers: [15, 74] Generated Node #0,3,4: 32:[15, 74] Operation: 76-2=74 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[15, 38], Operations: ['90-14=76', '76/2=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,32 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[2, 61], Operations: ['90-14=76', '76-15=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 32:[15, 74], Operations: ['90-14=76', '76-2=74'] Exploring Operation: 15*74=1110, Resulting Numbers: [1110] 1110,32 unequal: No Solution Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,32 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 32:[76, 17], Operations: ['90-14=76', '15+2=17'] Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 76*17=1292, Resulting Numbers: [1292] 1292,32 unequal: No Solution Exploring Operation: 76+17=93, Resulting Numbers: [93] 93,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 32:[76, 30], Operations: ['90-14=76', '15*2=30'] Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,32 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,32 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,32 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: 32:[14, 2, 75], Operations: ['90-15=75'] Exploring Operation: 14*2=28, Resulting Numbers: [75, 28] Generated Node #0,4,0: 32:[75, 28] Operation: 14*2=28 Exploring Operation: 14+2=16, Resulting Numbers: [75, 16] Generated Node #0,4,1: 32:[75, 16] Operation: 14+2=16 Exploring Operation: 75-2=73, Resulting Numbers: [14, 73] Generated Node #0,4,2: 32:[14, 73] Operation: 75-2=73 Exploring Operation: 14/2=7, Resulting Numbers: [75, 7] Generated Node #0,4,3: 32:[75, 7] Operation: 14/2=7 Exploring Operation: 75-14=61, Resulting Numbers: [2, 61] Generated Node #0,4,4: 32:[2, 61] Operation: 75-14=61 Moving to Node #0,2 Current State: 32:[14, 15, 88], Operations: ['90-2=88'] Exploring Operation: 15-14=1, Resulting Numbers: [88, 1] Generated Node #0,2,0: 32:[88, 1] Operation: 15-14=1 Exploring Operation: 88-15=73, Resulting Numbers: [14, 73] Generated Node #0,2,1: 32:[14, 73] Operation: 88-15=73 Exploring Operation: 14+88=102, Resulting Numbers: [15, 102] Generated Node #0,2,2: 32:[15, 102] Operation: 14+88=102 Exploring Operation: 88-14=74, Resulting Numbers: [15, 74] Generated Node #0,2,3: 32:[15, 74] Operation: 88-14=74 Exploring Operation: 14+15=29, Resulting Numbers: [88, 29] Generated Node #0,2,4: 32:[88, 29] Operation: 14+15=29 Moving to Node #0,0,3 Current State: 32:[15, 31], Operations: ['90/2=45', '45-14=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[14, 3], Operations: ['90/2=45', '45/15=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[14, 30], Operations: ['90/2=45', '45-15=30'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,32 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[45, 1], Operations: ['90/2=45', '15-14=1'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[45, 29], Operations: ['90/2=45', '14+15=29'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[2, 61], Operations: ['90-15=75', '75-14=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[75, 16], Operations: ['90-15=75', '14+2=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,32 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,32 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[15, 74], Operations: ['90-2=88', '88-14=74'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,32 unequal: No Solution Exploring Operation: 15*74=1110, Resulting Numbers: [1110] 1110,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[14, 73], Operations: ['90-2=88', '88-15=73'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,32 unequal: No Solution Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[14, 73], Operations: ['90-15=75', '75-2=73'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,32 unequal: No Solution Moving to Node #0,4,3 Current State: 32:[75, 7], Operations: ['90-15=75', '14/2=7'] Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,32 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,32 unequal: No Solution Moving to Node #0,4,0 Current State: 32:[75, 28], Operations: ['90-15=75', '14*2=28'] Exploring Operation: 75+28=103, Resulting Numbers: [103] 103,32 unequal: No Solution Exploring Operation: 75*28=2100, Resulting Numbers: [2100] 2100,32 unequal: No Solution Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[88, 1], Operations: ['90-2=88', '15-14=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,32 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,32 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,32 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[88, 29], Operations: ['90-2=88', '14+15=29'] Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,32 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[15, 102], Operations: ['90-2=88', '14+88=102'] Exploring Operation: 102-15=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 15*102=1530, Resulting Numbers: [1530] 1530,32 unequal: No Solution Exploring Operation: 15+102=117, Resulting Numbers: [117] 117,32 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 17, 49, 70, 27 ]
23
[ "17+49=66", "70-27=43", "66-43=23" ]
Current State: 23:[17, 49, 70, 27], Operations: [] Exploring Operation: 17+49=66, Resulting Numbers: [70, 27, 66] Generated Node #2: [70, 27, 66] from Operation: 17+49=66 Current State: 23:[70, 27, 66], Operations: ['17+49=66'] Exploring Operation: 70-27=43, Resulting Numbers: [66, 43] Generated Node #3: [66, 43] from Operation: 70-27=43 Current State: 23:[66, 43], Operations: ['17+49=66', '70-27=43'] Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[17, 49, 70, 27], Operations: [] Exploring Operation: 49-17=32, Resulting Numbers: [70, 27, 32] Generated Node #0,0: 23:[70, 27, 32] Operation: 49-17=32 Exploring Operation: 70-27=43, Resulting Numbers: [17, 49, 43] Generated Node #0,1: 23:[17, 49, 43] Operation: 70-27=43 Exploring Operation: 70-49=21, Resulting Numbers: [17, 27, 21] Generated Node #0,2: 23:[17, 27, 21] Operation: 70-49=21 Exploring Operation: 49-27=22, Resulting Numbers: [17, 70, 22] Generated Node #0,3: 23:[17, 70, 22] Operation: 49-27=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[17, 27, 21], Operations: ['70-49=21'] Exploring Operation: 17+27=44, Resulting Numbers: [21, 44] Generated Node #0,2,0: 23:[21, 44] Operation: 17+27=44 Exploring Operation: 21-17=4, Resulting Numbers: [27, 4] Generated Node #0,2,1: 23:[27, 4] Operation: 21-17=4 Exploring Operation: 17+21=38, Resulting Numbers: [27, 38] Generated Node #0,2,2: 23:[27, 38] Operation: 17+21=38 Exploring Operation: 27-17=10, Resulting Numbers: [21, 10] Generated Node #0,2,3: 23:[21, 10] Operation: 27-17=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[21, 10], Operations: ['70-49=21', '27-17=10'] Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,23 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[27, 38], Operations: ['70-49=21', '17+21=38'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 27+38=65, Resulting Numbers: [65] 65,23 unequal: No Solution Exploring Operation: 27*38=1026, Resulting Numbers: [1026] 1026,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[21, 44], Operations: ['70-49=21', '17+27=44'] Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[17, 49, 70, 27], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [17, 27, 21] Generated Node #0,2: 23:[17, 27, 21] Operation: 70-49=21 Moving to Node #0,2 Current State: 23:[17, 27, 21], Operations: ['70-49=21'] Exploring Operation: 17+27=44, Resulting Numbers: [21, 44] Generated Node #0,2,0: 23:[21, 44] Operation: 17+27=44 Moving to Node #0,2,0 Current State: 23:[21, 44], Operations: ['70-49=21', '17+27=44'] Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 72, 80, 13, 35 ]
40
[ "80-72=8", "13+35=48", "48-8=40" ]
Current State: 40:[72, 80, 13, 35], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [13, 35, 8] Generated Node #2: [13, 35, 8] from Operation: 80-72=8 Current State: 40:[13, 35, 8], Operations: ['80-72=8'] Exploring Operation: 13+35=48, Resulting Numbers: [8, 48] Generated Node #3: [8, 48] from Operation: 13+35=48 Current State: 40:[8, 48], Operations: ['80-72=8', '13+35=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[72, 80, 13, 35], Operations: [] Exploring Operation: 80-35=45, Resulting Numbers: [72, 13, 45] Generated Node #0,0: 40:[72, 13, 45] Operation: 80-35=45 Exploring Operation: 80-72=8, Resulting Numbers: [13, 35, 8] Generated Node #0,1: 40:[13, 35, 8] Operation: 80-72=8 Exploring Operation: 72-35=37, Resulting Numbers: [80, 13, 37] Generated Node #0,2: 40:[80, 13, 37] Operation: 72-35=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[13, 35, 8], Operations: ['80-72=8'] Exploring Operation: 13+8=21, Resulting Numbers: [35, 21] Generated Node #0,1,0: 40:[35, 21] Operation: 13+8=21 Exploring Operation: 13-8=5, Resulting Numbers: [35, 5] Generated Node #0,1,1: 40:[35, 5] Operation: 13-8=5 Exploring Operation: 35-13=22, Resulting Numbers: [8, 22] Generated Node #0,1,2: 40:[8, 22] Operation: 35-13=22 Moving to Node #0,1,2 Current State: 40:[8, 22], Operations: ['80-72=8', '35-13=22'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,40 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[35, 5], Operations: ['80-72=8', '13-8=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,40 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[72, 80, 13, 35], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [13, 35, 8] Generated Node #0,1: 40:[13, 35, 8] Operation: 80-72=8 Moving to Node #0,1 Current State: 40:[13, 35, 8], Operations: ['80-72=8'] Exploring Operation: 13-8=5, Resulting Numbers: [35, 5] Generated Node #0,1,1: 40:[35, 5] Operation: 13-8=5 Moving to Node #0,1,1 Current State: 40:[35, 5], Operations: ['80-72=8', '13-8=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 22, 6, 23, 46 ]
92
[ "22*23=506", "46+506=552", "552/6=92" ]
Current State: 92:[22, 6, 23, 46], Operations: [] Exploring Operation: 22*23=506, Resulting Numbers: [6, 46, 506] Generated Node #2: [6, 46, 506] from Operation: 22*23=506 Current State: 92:[6, 46, 506], Operations: ['22*23=506'] Exploring Operation: 46+506=552, Resulting Numbers: [6, 552] Generated Node #3: [6, 552] from Operation: 46+506=552 Current State: 92:[6, 552], Operations: ['22*23=506', '46+506=552'] Exploring Operation: 552/6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[22, 6, 23, 46], Operations: [] Exploring Operation: 23-22=1, Resulting Numbers: [6, 46, 1] Generated Node #0,0: 92:[6, 46, 1] Operation: 23-22=1 Exploring Operation: 46-22=24, Resulting Numbers: [6, 23, 24] Generated Node #0,1: 92:[6, 23, 24] Operation: 46-22=24 Exploring Operation: 22+23=45, Resulting Numbers: [6, 46, 45] Generated Node #0,2: 92:[6, 46, 45] Operation: 22+23=45 Moving to Node #0,0 Current State: 92:[6, 46, 1], Operations: ['23-22=1'] Exploring Operation: 6/1=6, Resulting Numbers: [46, 6] Generated Node #0,0,0: 92:[46, 6] Operation: 6/1=6 Exploring Operation: 6-1=5, Resulting Numbers: [46, 5] Generated Node #0,0,1: 92:[46, 5] Operation: 6-1=5 Exploring Operation: 6*1=6, Resulting Numbers: [46, 6] Generated Node #0,0,2: 92:[46, 6] Operation: 6*1=6 Moving to Node #0,1 Current State: 92:[6, 23, 24], Operations: ['46-22=24'] Exploring Operation: 24/6=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 92:[23, 4] Operation: 24/6=4 Exploring Operation: 24-23=1, Resulting Numbers: [6, 1] Generated Node #0,1,1: 92:[6, 1] Operation: 24-23=1 Exploring Operation: 23+24=47, Resulting Numbers: [6, 47] Generated Node #0,1,2: 92:[6, 47] Operation: 23+24=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[23, 4], Operations: ['46-22=24', '24/6=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[22, 6, 23, 46], Operations: [] Exploring Operation: 46-22=24, Resulting Numbers: [6, 23, 24] Generated Node #0,1: 92:[6, 23, 24] Operation: 46-22=24 Moving to Node #0,1 Current State: 92:[6, 23, 24], Operations: ['46-22=24'] Exploring Operation: 24/6=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 92:[23, 4] Operation: 24/6=4 Moving to Node #0,1,0 Current State: 92:[23, 4], Operations: ['46-22=24', '24/6=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 5, 46, 79, 77 ]
49
[ "5+46=51", "79-77=2", "51-2=49" ]
Current State: 49:[5, 46, 79, 77], Operations: [] Exploring Operation: 5+46=51, Resulting Numbers: [79, 77, 51] Generated Node #2: [79, 77, 51] from Operation: 5+46=51 Current State: 49:[79, 77, 51], Operations: ['5+46=51'] Exploring Operation: 79-77=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 79-77=2 Current State: 49:[51, 2], Operations: ['5+46=51', '79-77=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[5, 46, 79, 77], Operations: [] Exploring Operation: 79-46=33, Resulting Numbers: [5, 77, 33] Generated Node #0,0: 49:[5, 77, 33] Operation: 79-46=33 Exploring Operation: 77-46=31, Resulting Numbers: [5, 79, 31] Generated Node #0,1: 49:[5, 79, 31] Operation: 77-46=31 Exploring Operation: 79-77=2, Resulting Numbers: [5, 46, 2] Generated Node #0,2: 49:[5, 46, 2] Operation: 79-77=2 Exploring Operation: 79-5=74, Resulting Numbers: [46, 77, 74] Generated Node #0,3: 49:[46, 77, 74] Operation: 79-5=74 Moving to Node #0,2 Current State: 49:[5, 46, 2], Operations: ['79-77=2'] Exploring Operation: 5*2=10, Resulting Numbers: [46, 10] Generated Node #0,2,0: 49:[46, 10] Operation: 5*2=10 Exploring Operation: 46+2=48, Resulting Numbers: [5, 48] Generated Node #0,2,1: 49:[5, 48] Operation: 46+2=48 Exploring Operation: 5+46=51, Resulting Numbers: [2, 51] Generated Node #0,2,2: 49:[2, 51] Operation: 5+46=51 Exploring Operation: 5+2=7, Resulting Numbers: [46, 7] Generated Node #0,2,3: 49:[46, 7] Operation: 5+2=7 Moving to Node #0,0 Current State: 49:[5, 77, 33], Operations: ['79-46=33'] Exploring Operation: 77-33=44, Resulting Numbers: [5, 44] Generated Node #0,0,0: 49:[5, 44] Operation: 77-33=44 Exploring Operation: 77-5=72, Resulting Numbers: [33, 72] Generated Node #0,0,1: 49:[33, 72] Operation: 77-5=72 Exploring Operation: 5+33=38, Resulting Numbers: [77, 38] Generated Node #0,0,2: 49:[77, 38] Operation: 5+33=38 Exploring Operation: 5+77=82, Resulting Numbers: [33, 82] Generated Node #0,0,3: 49:[33, 82] Operation: 5+77=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[5, 44], Operations: ['79-46=33', '77-33=44'] Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,49 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[5, 46, 79, 77], Operations: [] Exploring Operation: 79-46=33, Resulting Numbers: [5, 77, 33] Generated Node #0,0: 49:[5, 77, 33] Operation: 79-46=33 Moving to Node #0,0 Current State: 49:[5, 77, 33], Operations: ['79-46=33'] Exploring Operation: 77-33=44, Resulting Numbers: [5, 44] Generated Node #0,0,0: 49:[5, 44] Operation: 77-33=44 Moving to Node #0,0,0 Current State: 49:[5, 44], Operations: ['79-46=33', '77-33=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 28, 98, 15, 3 ]
88
[ "98-28=70", "15+3=18", "70+18=88" ]
Current State: 88:[28, 98, 15, 3], Operations: [] Exploring Operation: 98-28=70, Resulting Numbers: [15, 3, 70] Generated Node #2: [15, 3, 70] from Operation: 98-28=70 Current State: 88:[15, 3, 70], Operations: ['98-28=70'] Exploring Operation: 15+3=18, Resulting Numbers: [70, 18] Generated Node #3: [70, 18] from Operation: 15+3=18 Current State: 88:[70, 18], Operations: ['98-28=70', '15+3=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[28, 98, 15, 3], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [28, 3, 83] Generated Node #0,0: 88:[28, 3, 83] Operation: 98-15=83 Exploring Operation: 28-15=13, Resulting Numbers: [98, 3, 13] Generated Node #0,1: 88:[98, 3, 13] Operation: 28-15=13 Exploring Operation: 28+15=43, Resulting Numbers: [98, 3, 43] Generated Node #0,2: 88:[98, 3, 43] Operation: 28+15=43 Moving to Node #0,0 Current State: 88:[28, 3, 83], Operations: ['98-15=83'] Exploring Operation: 28-3=25, Resulting Numbers: [83, 25] Generated Node #0,0,0: 88:[83, 25] Operation: 28-3=25 Exploring Operation: 28*3=84, Resulting Numbers: [83, 84] Generated Node #0,0,1: 88:[83, 84] Operation: 28*3=84 Exploring Operation: 3+83=86, Resulting Numbers: [28, 86] Generated Node #0,0,2: 88:[28, 86] Operation: 3+83=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[83, 25], Operations: ['98-15=83', '28-3=25'] Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,88 unequal: No Solution Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,88 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[28, 86], Operations: ['98-15=83', '3+83=86'] Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[83, 84], Operations: ['98-15=83', '28*3=84'] Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,88 unequal: No Solution Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,88 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: 88:[98, 3, 43], Operations: ['28+15=43'] Exploring Operation: 98-43=55, Resulting Numbers: [3, 55] Generated Node #0,2,0: 88:[3, 55] Operation: 98-43=55 Exploring Operation: 98-3=95, Resulting Numbers: [43, 95] Generated Node #0,2,1: 88:[43, 95] Operation: 98-3=95 Exploring Operation: 3+43=46, Resulting Numbers: [98, 46] Generated Node #0,2,2: 88:[98, 46] Operation: 3+43=46 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[43, 95], Operations: ['28+15=43', '98-3=95'] Exploring Operation: 43+95=138, Resulting Numbers: [138] 138,88 unequal: No Solution Exploring Operation: 95-43=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 43*95=4085, Resulting Numbers: [4085] 4085,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[3, 55], Operations: ['28+15=43', '98-43=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[98, 46], Operations: ['28+15=43', '3+43=46'] Exploring Operation: 98*46=4508, Resulting Numbers: [4508] 4508,88 unequal: No Solution Exploring Operation: 98-46=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 98+46=144, Resulting Numbers: [144] 144,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 88:[98, 3, 13], Operations: ['28-15=13'] Exploring Operation: 98-3=95, Resulting Numbers: [13, 95] Generated Node #0,1,0: 88:[13, 95] Operation: 98-3=95 Exploring Operation: 98-13=85, Resulting Numbers: [3, 85] Generated Node #0,1,1: 88:[3, 85] Operation: 98-13=85 Exploring Operation: 13-3=10, Resulting Numbers: [98, 10] Generated Node #0,1,2: 88:[98, 10] Operation: 13-3=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[3, 85], Operations: ['28-15=13', '98-13=85'] Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,88 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[28, 98, 15, 3], Operations: [] Exploring Operation: 28-15=13, Resulting Numbers: [98, 3, 13] Generated Node #0,1: 88:[98, 3, 13] Operation: 28-15=13 Moving to Node #0,1 Current State: 88:[98, 3, 13], Operations: ['28-15=13'] Exploring Operation: 98-13=85, Resulting Numbers: [3, 85] Generated Node #0,1,1: 88:[3, 85] Operation: 98-13=85 Moving to Node #0,1,1 Current State: 88:[3, 85], Operations: ['28-15=13', '98-13=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 93, 38, 18, 69 ]
80
[ "93+38=131", "69-18=51", "131-51=80" ]
Current State: 80:[93, 38, 18, 69], Operations: [] Exploring Operation: 93+38=131, Resulting Numbers: [18, 69, 131] Generated Node #2: [18, 69, 131] from Operation: 93+38=131 Current State: 80:[18, 69, 131], Operations: ['93+38=131'] Exploring Operation: 69-18=51, Resulting Numbers: [131, 51] Generated Node #3: [131, 51] from Operation: 69-18=51 Current State: 80:[131, 51], Operations: ['93+38=131', '69-18=51'] Exploring Operation: 131-51=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[93, 38, 18, 69], Operations: [] Exploring Operation: 93-18=75, Resulting Numbers: [38, 69, 75] Generated Node #0,0: 80:[38, 69, 75] Operation: 93-18=75 Exploring Operation: 93-69=24, Resulting Numbers: [38, 18, 24] Generated Node #0,1: 80:[38, 18, 24] Operation: 93-69=24 Exploring Operation: 18+69=87, Resulting Numbers: [93, 38, 87] Generated Node #0,2: 80:[93, 38, 87] Operation: 18+69=87 Exploring Operation: 38-18=20, Resulting Numbers: [93, 69, 20] Generated Node #0,3: 80:[93, 69, 20] Operation: 38-18=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[38, 18, 24], Operations: ['93-69=24'] Exploring Operation: 38-18=20, Resulting Numbers: [24, 20] Generated Node #0,1,0: 80:[24, 20] Operation: 38-18=20 Exploring Operation: 38-24=14, Resulting Numbers: [18, 14] Generated Node #0,1,1: 80:[18, 14] Operation: 38-24=14 Exploring Operation: 24-18=6, Resulting Numbers: [38, 6] Generated Node #0,1,2: 80:[38, 6] Operation: 24-18=6 Exploring Operation: 18+24=42, Resulting Numbers: [38, 42] Generated Node #0,1,3: 80:[38, 42] Operation: 18+24=42 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[38, 6], Operations: ['93-69=24', '24-18=6'] Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,80 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,80 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 #0,1,0 Current State: 80:[24, 20], Operations: ['93-69=24', '38-18=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,80 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,80 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 #0,1,1 Current State: 80:[18, 14], Operations: ['93-69=24', '38-24=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,80 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 #0,1,3 Current State: 80:[38, 42], Operations: ['93-69=24', '18+24=42'] Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,80 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[93, 38, 18, 69], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [38, 18, 24] Generated Node #0,1: 80:[38, 18, 24] Operation: 93-69=24 Moving to Node #0,1 Current State: 80:[38, 18, 24], Operations: ['93-69=24'] Exploring Operation: 18+24=42, Resulting Numbers: [38, 42] Generated Node #0,1,3: 80:[38, 42] Operation: 18+24=42 Moving to Node #0,1,3 Current State: 80:[38, 42], Operations: ['93-69=24', '18+24=42'] Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 56, 34, 51, 39 ]
53
[ "56-39=17", "34/17=2", "51+2=53" ]
Current State: 53:[56, 34, 51, 39], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [34, 51, 17] Generated Node #2: [34, 51, 17] from Operation: 56-39=17 Current State: 53:[34, 51, 17], Operations: ['56-39=17'] Exploring Operation: 34/17=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 34/17=2 Current State: 53:[51, 2], Operations: ['56-39=17', '34/17=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[56, 34, 51, 39], Operations: [] Exploring Operation: 34+39=73, Resulting Numbers: [56, 51, 73] Generated Node #0,0: 53:[56, 51, 73] Operation: 34+39=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 51, 73], Operations: ['34+39=73'] Exploring Operation: 73-51=22, Resulting Numbers: [56, 22] Generated Node #0,0,0: 53:[56, 22] Operation: 73-51=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[56, 22], Operations: ['34+39=73', '73-51=22'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 3, 98, 24 ]
54
[ "17+3=20", "98-24=74", "74-20=54" ]
Current State: 54:[17, 3, 98, 24], Operations: [] Exploring Operation: 17+3=20, Resulting Numbers: [98, 24, 20] Generated Node #2: [98, 24, 20] from Operation: 17+3=20 Current State: 54:[98, 24, 20], Operations: ['17+3=20'] Exploring Operation: 98-24=74, Resulting Numbers: [20, 74] Generated Node #3: [20, 74] from Operation: 98-24=74 Current State: 54:[20, 74], Operations: ['17+3=20', '98-24=74'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[17, 3, 98, 24], Operations: [] Exploring Operation: 24-17=7, Resulting Numbers: [3, 98, 7] Generated Node #0,0: 54:[3, 98, 7] Operation: 24-17=7 Exploring Operation: 98-3=95, Resulting Numbers: [17, 24, 95] Generated Node #0,1: 54:[17, 24, 95] Operation: 98-3=95 Exploring Operation: 98-17=81, Resulting Numbers: [3, 24, 81] Generated Node #0,2: 54:[3, 24, 81] Operation: 98-17=81 Exploring Operation: 98-24=74, Resulting Numbers: [17, 3, 74] Generated Node #0,3: 54:[17, 3, 74] Operation: 98-24=74 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[17, 3, 74], Operations: ['98-24=74'] Exploring Operation: 74-3=71, Resulting Numbers: [17, 71] Generated Node #0,3,0: 54:[17, 71] Operation: 74-3=71 Exploring Operation: 74-17=57, Resulting Numbers: [3, 57] Generated Node #0,3,1: 54:[3, 57] Operation: 74-17=57 Exploring Operation: 17+3=20, Resulting Numbers: [74, 20] Generated Node #0,3,2: 54:[74, 20] Operation: 17+3=20 Exploring Operation: 17*3=51, Resulting Numbers: [74, 51] Generated Node #0,3,3: 54:[74, 51] Operation: 17*3=51 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[3, 57], Operations: ['98-24=74', '74-17=57'] Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,54 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[17, 3, 98, 24], Operations: [] Exploring Operation: 98-24=74, Resulting Numbers: [17, 3, 74] Generated Node #0,3: 54:[17, 3, 74] Operation: 98-24=74 Moving to Node #0,3 Current State: 54:[17, 3, 74], Operations: ['98-24=74'] Exploring Operation: 74-17=57, Resulting Numbers: [3, 57] Generated Node #0,3,1: 54:[3, 57] Operation: 74-17=57 Moving to Node #0,3,1 Current State: 54:[3, 57], Operations: ['98-24=74', '74-17=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 45, 4, 36, 93 ]
96
[ "93-45=48", "4*36=144", "144-48=96" ]
Current State: 96:[45, 4, 36, 93], Operations: [] Exploring Operation: 93-45=48, Resulting Numbers: [4, 36, 48] Generated Node #2: [4, 36, 48] from Operation: 93-45=48 Current State: 96:[4, 36, 48], Operations: ['93-45=48'] Exploring Operation: 4*36=144, Resulting Numbers: [48, 144] Generated Node #3: [48, 144] from Operation: 4*36=144 Current State: 96:[48, 144], Operations: ['93-45=48', '4*36=144'] Exploring Operation: 144-48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[45, 4, 36, 93], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [45, 93, 9] Generated Node #0,0: 96:[45, 93, 9] Operation: 36/4=9 Exploring Operation: 93-45=48, Resulting Numbers: [4, 36, 48] Generated Node #0,1: 96:[4, 36, 48] Operation: 93-45=48 Exploring Operation: 36-4=32, Resulting Numbers: [45, 93, 32] Generated Node #0,2: 96:[45, 93, 32] Operation: 36-4=32 Exploring Operation: 45-36=9, Resulting Numbers: [4, 93, 9] Generated Node #0,3: 96:[4, 93, 9] Operation: 45-36=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[4, 36, 48], Operations: ['93-45=48'] Exploring Operation: 36/4=9, Resulting Numbers: [48, 9] Generated Node #0,1,0: 96:[48, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [48, 32] Generated Node #0,1,1: 96:[48, 32] Operation: 36-4=32 Exploring Operation: 48-36=12, Resulting Numbers: [4, 12] Generated Node #0,1,2: 96:[4, 12] Operation: 48-36=12 Exploring Operation: 48/4=12, Resulting Numbers: [36, 12] Generated Node #0,1,3: 96:[36, 12] Operation: 48/4=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[48, 32], Operations: ['93-45=48', '36-4=32'] Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,96 unequal: No Solution Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[4, 12], Operations: ['93-45=48', '48-36=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[48, 9], Operations: ['93-45=48', '36/4=9'] Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,96 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,96 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 96:[36, 12], Operations: ['93-45=48', '48/4=12'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,96 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[4, 93, 9], Operations: ['45-36=9'] Exploring Operation: 93+9=102, Resulting Numbers: [4, 102] Generated Node #0,3,0: 96:[4, 102] Operation: 93+9=102 Exploring Operation: 4+93=97, Resulting Numbers: [9, 97] Generated Node #0,3,1: 96:[9, 97] Operation: 4+93=97 Exploring Operation: 4+9=13, Resulting Numbers: [93, 13] Generated Node #0,3,2: 96:[93, 13] Operation: 4+9=13 Exploring Operation: 9-4=5, Resulting Numbers: [93, 5] Generated Node #0,3,3: 96:[93, 5] Operation: 9-4=5 Moving to Node #0,3,1 Current State: 96:[9, 97], Operations: ['45-36=9', '4+93=97'] Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,96 unequal: No Solution Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[93, 5], Operations: ['45-36=9', '9-4=5'] Exploring Operation: 93*5=465, Resulting Numbers: [465] 465,96 unequal: No Solution Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,96 unequal: No Solution Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[93, 13], Operations: ['45-36=9', '4+9=13'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[4, 102], Operations: ['45-36=9', '93+9=102'] Exploring Operation: 4*102=408, Resulting Numbers: [408] 408,96 unequal: No Solution Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 4+102=106, Resulting Numbers: [106] 106,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[45, 93, 32], Operations: ['36-4=32'] Exploring Operation: 93-45=48, Resulting Numbers: [32, 48] Generated Node #0,2,0: 96:[32, 48] Operation: 93-45=48 Exploring Operation: 93-32=61, Resulting Numbers: [45, 61] Generated Node #0,2,1: 96:[45, 61] Operation: 93-32=61 Exploring Operation: 45+32=77, Resulting Numbers: [93, 77] Generated Node #0,2,2: 96:[93, 77] Operation: 45+32=77 Exploring Operation: 45-32=13, Resulting Numbers: [93, 13] Generated Node #0,2,3: 96:[93, 13] Operation: 45-32=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[32, 48], Operations: ['36-4=32', '93-45=48'] Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,96 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 96:[93, 13], Operations: ['36-4=32', '45-32=13'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,96 unequal: No Solution Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[45, 61], Operations: ['36-4=32', '93-32=61'] Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,96 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[93, 77], Operations: ['36-4=32', '45+32=77'] Exploring Operation: 93+77=170, Resulting Numbers: [170] 170,96 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 93*77=7161, Resulting Numbers: [7161] 7161,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[45, 93, 9], Operations: ['36/4=9'] Exploring Operation: 93-45=48, Resulting Numbers: [9, 48] Generated Node #0,0,0: 96:[9, 48] Operation: 93-45=48 Exploring Operation: 45-9=36, Resulting Numbers: [93, 36] Generated Node #0,0,1: 96:[93, 36] Operation: 45-9=36 Exploring Operation: 45+9=54, Resulting Numbers: [93, 54] Generated Node #0,0,2: 96:[93, 54] Operation: 45+9=54 Exploring Operation: 45/9=5, Resulting Numbers: [93, 5] Generated Node #0,0,3: 96:[93, 5] Operation: 45/9=5 Moving to Node #0,0,0 Current State: 96:[9, 48], Operations: ['36/4=9', '93-45=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,96 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[93, 5], Operations: ['36/4=9', '45/9=5'] Exploring Operation: 93*5=465, Resulting Numbers: [465] 465,96 unequal: No Solution Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[93, 36], Operations: ['36/4=9', '45-9=36'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,96 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,96 unequal: No Solution Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[93, 54], Operations: ['36/4=9', '45+9=54'] Exploring Operation: 93+54=147, Resulting Numbers: [147] 147,96 unequal: No Solution Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 93*54=5022, Resulting Numbers: [5022] 5022,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 25, 4, 76, 75 ]
77
[ "75/25=3", "4+76=80", "80-3=77" ]
Current State: 77:[25, 4, 76, 75], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [4, 76, 3] Generated Node #2: [4, 76, 3] from Operation: 75/25=3 Current State: 77:[4, 76, 3], Operations: ['75/25=3'] Exploring Operation: 4+76=80, Resulting Numbers: [3, 80] Generated Node #3: [3, 80] from Operation: 4+76=80 Current State: 77:[3, 80], Operations: ['75/25=3', '4+76=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[25, 4, 76, 75], Operations: [] Exploring Operation: 4+75=79, Resulting Numbers: [25, 76, 79] Generated Node #0,0: 77:[25, 76, 79] Operation: 4+75=79 Exploring Operation: 4+76=80, Resulting Numbers: [25, 75, 80] Generated Node #0,1: 77:[25, 75, 80] Operation: 4+76=80 Exploring Operation: 25-4=21, Resulting Numbers: [76, 75, 21] Generated Node #0,2: 77:[76, 75, 21] Operation: 25-4=21 Exploring Operation: 75/25=3, Resulting Numbers: [4, 76, 3] Generated Node #0,3: 77:[4, 76, 3] Operation: 75/25=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 77:[4, 76, 3], Operations: ['75/25=3'] Exploring Operation: 4+76=80, Resulting Numbers: [3, 80] Generated Node #0,3,0: 77:[3, 80] Operation: 4+76=80 Exploring Operation: 76+3=79, Resulting Numbers: [4, 79] Generated Node #0,3,1: 77:[4, 79] Operation: 76+3=79 Exploring Operation: 4+3=7, Resulting Numbers: [76, 7] Generated Node #0,3,2: 77:[76, 7] Operation: 4+3=7 Exploring Operation: 4*3=12, Resulting Numbers: [76, 12] Generated Node #0,3,3: 77:[76, 12] Operation: 4*3=12 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 77:[76, 7], Operations: ['75/25=3', '4+3=7'] Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,77 unequal: No Solution Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,77 unequal: No Solution No 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: 77:[76, 12], Operations: ['75/25=3', '4*3=12'] Exploring Operation: 76*12=912, Resulting Numbers: [912] 912,77 unequal: No Solution Exploring Operation: 76+12=88, Resulting Numbers: [88] 88,77 unequal: No Solution Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,77 unequal: No Solution No 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: 77:[4, 79], Operations: ['75/25=3', '76+3=79'] Exploring Operation: 4*79=316, Resulting Numbers: [316] 316,77 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,77 unequal: No Solution No 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: 77:[3, 80], Operations: ['75/25=3', '4+76=80'] Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,77 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[25, 4, 76, 75], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [4, 76, 3] Generated Node #0,3: 77:[4, 76, 3] Operation: 75/25=3 Moving to Node #0,3 Current State: 77:[4, 76, 3], Operations: ['75/25=3'] Exploring Operation: 4+76=80, Resulting Numbers: [3, 80] Generated Node #0,3,0: 77:[3, 80] Operation: 4+76=80 Moving to Node #0,3,0 Current State: 77:[3, 80], Operations: ['75/25=3', '4+76=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 71, 73, 1, 17 ]
20
[ "73-71=2", "1+17=18", "2+18=20" ]
Current State: 20:[71, 73, 1, 17], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [1, 17, 2] Generated Node #2: [1, 17, 2] from Operation: 73-71=2 Current State: 20:[1, 17, 2], Operations: ['73-71=2'] Exploring Operation: 1+17=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 1+17=18 Current State: 20:[2, 18], Operations: ['73-71=2', '1+17=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[71, 73, 1, 17], Operations: [] Exploring Operation: 73-1=72, Resulting Numbers: [71, 17, 72] Generated Node #0,0: 20:[71, 17, 72] Operation: 73-1=72 Exploring Operation: 73-17=56, Resulting Numbers: [71, 1, 56] Generated Node #0,1: 20:[71, 1, 56] Operation: 73-17=56 Exploring Operation: 73-71=2, Resulting Numbers: [1, 17, 2] Generated Node #0,2: 20:[1, 17, 2] Operation: 73-71=2 Exploring Operation: 71-17=54, Resulting Numbers: [73, 1, 54] Generated Node #0,3: 20:[73, 1, 54] Operation: 71-17=54 Exploring Operation: 71-1=70, Resulting Numbers: [73, 17, 70] Generated Node #0,4: 20:[73, 17, 70] Operation: 71-1=70 Moving to Node #0,2 Current State: 20:[1, 17, 2], Operations: ['73-71=2'] Exploring Operation: 1+17=18, Resulting Numbers: [2, 18] Generated Node #0,2,0: 20:[2, 18] Operation: 1+17=18 Exploring Operation: 1*2=2, Resulting Numbers: [17, 2] Generated Node #0,2,1: 20:[17, 2] Operation: 1*2=2 Exploring Operation: 17/1=17, Resulting Numbers: [2, 17] Generated Node #0,2,2: 20:[2, 17] Operation: 17/1=17 Exploring Operation: 1*17=17, Resulting Numbers: [2, 17] Generated Node #0,2,3: 20:[2, 17] Operation: 1*17=17 Exploring Operation: 17+2=19, Resulting Numbers: [1, 19] Generated Node #0,2,4: 20:[1, 19] Operation: 17+2=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[2, 18], Operations: ['73-71=2', '1+17=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[71, 73, 1, 17], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [1, 17, 2] Generated Node #0,2: 20:[1, 17, 2] Operation: 73-71=2 Moving to Node #0,2 Current State: 20:[1, 17, 2], Operations: ['73-71=2'] Exploring Operation: 1+17=18, Resulting Numbers: [2, 18] Generated Node #0,2,0: 20:[2, 18] Operation: 1+17=18 Moving to Node #0,2,0 Current State: 20:[2, 18], Operations: ['73-71=2', '1+17=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 24, 20, 25, 35 ]
16
[ "24+20=44", "25+35=60", "60-44=16" ]
Current State: 16:[24, 20, 25, 35], Operations: [] Exploring Operation: 24+20=44, Resulting Numbers: [25, 35, 44] Generated Node #2: [25, 35, 44] from Operation: 24+20=44 Current State: 16:[25, 35, 44], Operations: ['24+20=44'] Exploring Operation: 25+35=60, Resulting Numbers: [44, 60] Generated Node #3: [44, 60] from Operation: 25+35=60 Current State: 16:[44, 60], Operations: ['24+20=44', '25+35=60'] Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[24, 20, 25, 35], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [24, 25, 15] Generated Node #0,0: 16:[24, 25, 15] Operation: 35-20=15 Exploring Operation: 25-24=1, Resulting Numbers: [20, 35, 1] Generated Node #0,1: 16:[20, 35, 1] Operation: 25-24=1 Exploring Operation: 35-24=11, Resulting Numbers: [20, 25, 11] Generated Node #0,2: 16:[20, 25, 11] Operation: 35-24=11 Exploring Operation: 24-20=4, Resulting Numbers: [25, 35, 4] Generated Node #0,3: 16:[25, 35, 4] Operation: 24-20=4 Exploring Operation: 35-25=10, Resulting Numbers: [24, 20, 10] Generated Node #0,4: 16:[24, 20, 10] Operation: 35-25=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[24, 20, 10], Operations: ['35-25=10'] Exploring Operation: 20/10=2, Resulting Numbers: [24, 2] Generated Node #0,4,0: 16:[24, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [24, 10] Generated Node #0,4,1: 16:[24, 10] Operation: 20-10=10 Exploring Operation: 24-10=14, Resulting Numbers: [20, 14] Generated Node #0,4,2: 16:[20, 14] Operation: 24-10=14 Exploring Operation: 24-20=4, Resulting Numbers: [10, 4] Generated Node #0,4,3: 16:[10, 4] Operation: 24-20=4 Exploring Operation: 24+10=34, Resulting Numbers: [20, 34] Generated Node #0,4,4: 16:[20, 34] Operation: 24+10=34 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 16:[10, 4], Operations: ['35-25=10', '24-20=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 16:[20, 14], Operations: ['35-25=10', '24-10=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,16 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 16:[24, 2], Operations: ['35-25=10', '20/10=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,16 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 16:[24, 10], Operations: ['35-25=10', '20-10=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,16 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 16:[20, 34], Operations: ['35-25=10', '24+10=34'] Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,16 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[20, 25, 11], Operations: ['35-24=11'] Exploring Operation: 25-11=14, Resulting Numbers: [20, 14] Generated Node #0,2,0: 16:[20, 14] Operation: 25-11=14 Exploring Operation: 20+11=31, Resulting Numbers: [25, 31] Generated Node #0,2,1: 16:[25, 31] Operation: 20+11=31 Exploring Operation: 25-20=5, Resulting Numbers: [11, 5] Generated Node #0,2,2: 16:[11, 5] Operation: 25-20=5 Exploring Operation: 25+11=36, Resulting Numbers: [20, 36] Generated Node #0,2,3: 16:[20, 36] Operation: 25+11=36 Exploring Operation: 20-11=9, Resulting Numbers: [25, 9] Generated Node #0,2,4: 16:[25, 9] Operation: 20-11=9 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[11, 5], Operations: ['35-24=11', '25-20=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[24, 20, 25, 35], Operations: [] Exploring Operation: 35-24=11, Resulting Numbers: [20, 25, 11] Generated Node #0,2: 16:[20, 25, 11] Operation: 35-24=11 Moving to Node #0,2 Current State: 16:[20, 25, 11], Operations: ['35-24=11'] Exploring Operation: 25-20=5, Resulting Numbers: [11, 5] Generated Node #0,2,2: 16:[11, 5] Operation: 25-20=5 Moving to Node #0,2,2 Current State: 16:[11, 5], Operations: ['35-24=11', '25-20=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 53, 27, 75, 29 ]
97
[ "29-27=2", "75*2=150", "150-53=97" ]
Current State: 97:[53, 27, 75, 29], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [53, 75, 2] Generated Node #2: [53, 75, 2] from Operation: 29-27=2 Current State: 97:[53, 75, 2], Operations: ['29-27=2'] Exploring Operation: 75*2=150, Resulting Numbers: [53, 150] Generated Node #3: [53, 150] from Operation: 75*2=150 Current State: 97:[53, 150], Operations: ['29-27=2', '75*2=150'] Exploring Operation: 150-53=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[53, 27, 75, 29], Operations: [] Exploring Operation: 53+27=80, Resulting Numbers: [75, 29, 80] Generated Node #0,0: 97:[75, 29, 80] Operation: 53+27=80 Exploring Operation: 53+29=82, Resulting Numbers: [27, 75, 82] Generated Node #0,1: 97:[27, 75, 82] Operation: 53+29=82 Exploring Operation: 27+29=56, Resulting Numbers: [53, 75, 56] Generated Node #0,2: 97:[53, 75, 56] Operation: 27+29=56 Exploring Operation: 27+75=102, Resulting Numbers: [53, 29, 102] Generated Node #0,3: 97:[53, 29, 102] Operation: 27+75=102 Moving to Node #0,0 Current State: 97:[75, 29, 80], Operations: ['53+27=80'] Exploring Operation: 80-29=51, Resulting Numbers: [75, 51] Generated Node #0,0,0: 97:[75, 51] Operation: 80-29=51 Exploring Operation: 75-29=46, Resulting Numbers: [80, 46] Generated Node #0,0,1: 97:[80, 46] Operation: 75-29=46 Exploring Operation: 75+29=104, Resulting Numbers: [80, 104] Generated Node #0,0,2: 97:[80, 104] Operation: 75+29=104 Exploring Operation: 29+80=109, Resulting Numbers: [75, 109] Generated Node #0,0,3: 97:[75, 109] Operation: 29+80=109 Moving to Node #0,2 Current State: 97:[53, 75, 56], Operations: ['27+29=56'] Exploring Operation: 53+75=128, Resulting Numbers: [56, 128] Generated Node #0,2,0: 97:[56, 128] Operation: 53+75=128 Exploring Operation: 53+56=109, Resulting Numbers: [75, 109] Generated Node #0,2,1: 97:[75, 109] Operation: 53+56=109 Exploring Operation: 75-53=22, Resulting Numbers: [56, 22] Generated Node #0,2,2: 97:[56, 22] Operation: 75-53=22 Exploring Operation: 75+56=131, Resulting Numbers: [53, 131] Generated Node #0,2,3: 97:[53, 131] Operation: 75+56=131 Moving to Node #0,1 Current State: 97:[27, 75, 82], Operations: ['53+29=82'] Exploring Operation: 75-27=48, Resulting Numbers: [82, 48] Generated Node #0,1,0: 97:[82, 48] Operation: 75-27=48 Exploring Operation: 27+75=102, Resulting Numbers: [82, 102] Generated Node #0,1,1: 97:[82, 102] Operation: 27+75=102 Exploring Operation: 27+82=109, Resulting Numbers: [75, 109] Generated Node #0,1,2: 97:[75, 109] Operation: 27+82=109 Exploring Operation: 82-27=55, Resulting Numbers: [75, 55] Generated Node #0,1,3: 97:[75, 55] Operation: 82-27=55 Moving to Node #0,3 Current State: 97:[53, 29, 102], Operations: ['27+75=102'] Exploring Operation: 53+29=82, Resulting Numbers: [102, 82] Generated Node #0,3,0: 97:[102, 82] Operation: 53+29=82 Exploring Operation: 29+102=131, Resulting Numbers: [53, 131] Generated Node #0,3,1: 97:[53, 131] Operation: 29+102=131 Exploring Operation: 102-29=73, Resulting Numbers: [53, 73] Generated Node #0,3,2: 97:[53, 73] Operation: 102-29=73 Exploring Operation: 53-29=24, Resulting Numbers: [102, 24] Generated Node #0,3,3: 97:[102, 24] Operation: 53-29=24 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[102, 82], Operations: ['27+75=102', '53+29=82'] Exploring Operation: 102+82=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,97 unequal: No Solution Exploring Operation: 102*82=8364, Resulting Numbers: [8364] 8364,97 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 #0,3,2 Current State: 97:[53, 73], Operations: ['27+75=102', '102-29=73'] Exploring Operation: 53+73=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 53*73=3869, Resulting Numbers: [3869] 3869,97 unequal: No Solution Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,97 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 #0,3,1 Current State: 97:[53, 131], Operations: ['27+75=102', '29+102=131'] Exploring Operation: 53+131=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 53*131=6943, Resulting Numbers: [6943] 6943,97 unequal: No Solution Exploring Operation: 131-53=78, Resulting Numbers: [78] 78,97 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 #0,3,3 Current State: 97:[102, 24], Operations: ['27+75=102', '53-29=24'] Exploring Operation: 102*24=2448, Resulting Numbers: [2448] 2448,97 unequal: No Solution Exploring Operation: 102-24=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 102+24=126, Resulting Numbers: [126] 126,97 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: 97:[82, 102], Operations: ['53+29=82', '27+75=102'] Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,97 unequal: No Solution Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[80, 104], Operations: ['53+27=80', '75+29=104'] Exploring Operation: 80*104=8320, Resulting Numbers: [8320] 8320,97 unequal: No Solution Exploring Operation: 80+104=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 104-80=24, Resulting Numbers: [24] 24,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[75, 109], Operations: ['27+29=56', '53+56=109'] Exploring Operation: 109-75=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 75*109=8175, Resulting Numbers: [8175] 8175,97 unequal: No Solution Exploring Operation: 75+109=184, Resulting Numbers: [184] 184,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[75, 109], Operations: ['53+29=82', '27+82=109'] Exploring Operation: 109-75=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 75+109=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 75*109=8175, Resulting Numbers: [8175] 8175,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[75, 109], Operations: ['53+27=80', '29+80=109'] Exploring Operation: 109-75=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 75*109=8175, Resulting Numbers: [8175] 8175,97 unequal: No Solution Exploring Operation: 75+109=184, Resulting Numbers: [184] 184,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[75, 55], Operations: ['53+29=82', '82-27=55'] Exploring Operation: 75*55=4125, Resulting Numbers: [4125] 4125,97 unequal: No Solution Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,97 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[82, 48], Operations: ['53+29=82', '75-27=48'] Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,97 unequal: No Solution Exploring Operation: 82*48=3936, Resulting Numbers: [3936] 3936,97 unequal: No Solution Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[75, 51], Operations: ['53+27=80', '80-29=51'] Exploring Operation: 75*51=3825, Resulting Numbers: [3825] 3825,97 unequal: No Solution Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,97 unequal: No Solution Exploring Operation: 75+51=126, Resulting Numbers: [126] 126,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[80, 46], Operations: ['53+27=80', '75-29=46'] Exploring Operation: 80*46=3680, Resulting Numbers: [3680] 3680,97 unequal: No Solution Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 80+46=126, Resulting Numbers: [126] 126,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[56, 128], Operations: ['27+29=56', '53+75=128'] Exploring Operation: 56*128=7168, Resulting Numbers: [7168] 7168,97 unequal: No Solution Exploring Operation: 128-56=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 56+128=184, Resulting Numbers: [184] 184,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[53, 131], Operations: ['27+29=56', '75+56=131'] Exploring Operation: 53+131=184, Resulting Numbers: [184] 184,97 unequal: No Solution Exploring Operation: 131-53=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 53*131=6943, Resulting Numbers: [6943] 6943,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[56, 22], Operations: ['27+29=56', '75-53=22'] Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,97 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,97 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 22, 98, 17, 13 ]
17
[ "22-17=5", "98-13=85", "85/5=17" ]
Current State: 17:[22, 98, 17, 13], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [98, 13, 5] Generated Node #2: [98, 13, 5] from Operation: 22-17=5 Current State: 17:[98, 13, 5], Operations: ['22-17=5'] Exploring Operation: 98-13=85, Resulting Numbers: [5, 85] Generated Node #3: [5, 85] from Operation: 98-13=85 Current State: 17:[5, 85], Operations: ['22-17=5', '98-13=85'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[22, 98, 17, 13], Operations: [] Exploring Operation: 98-22=76, Resulting Numbers: [17, 13, 76] Generated Node #0,0: 17:[17, 13, 76] Operation: 98-22=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[17, 13, 76], Operations: ['98-22=76'] Exploring Operation: 76-17=59, Resulting Numbers: [13, 59] Generated Node #0,0,0: 17:[13, 59] Operation: 76-17=59 Moving to Node #0,0,0 Current State: 17:[13, 59], Operations: ['98-22=76', '76-17=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 71, 78, 66 ]
85
[ "71*78=5538", "72+5538=5610", "5610/66=85" ]
Current State: 85:[72, 71, 78, 66], Operations: [] Exploring Operation: 71*78=5538, Resulting Numbers: [72, 66, 5538] Generated Node #2: [72, 66, 5538] from Operation: 71*78=5538 Current State: 85:[72, 66, 5538], Operations: ['71*78=5538'] Exploring Operation: 72+5538=5610, Resulting Numbers: [66, 5610] Generated Node #3: [66, 5610] from Operation: 72+5538=5610 Current State: 85:[66, 5610], Operations: ['71*78=5538', '72+5538=5610'] Exploring Operation: 5610/66=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[72, 71, 78, 66], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [72, 78, 5] Generated Node #0,0: 85:[72, 78, 5] Operation: 71-66=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[72, 78, 5], Operations: ['71-66=5'] Exploring Operation: 78-72=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 85:[5, 6] Operation: 78-72=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[5, 6], Operations: ['71-66=5', '78-72=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 81, 47, 79, 79 ]
64
[ "81-79=2", "79-47=32", "2*32=64" ]
Current State: 64:[81, 47, 79, 79], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [47, 2] Generated Node #2: [47, 2] from Operation: 81-79=2 Current State: 64:[47, 2], Operations: ['81-79=2'] Exploring Operation: 79-47=32, Resulting Numbers: [2, 32] Generated Node #3: [2, 32] from Operation: 79-47=32 Current State: 64:[2, 32], Operations: ['81-79=2', '79-47=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[81, 47, 79, 79], Operations: [] Exploring Operation: 81-47=34, Resulting Numbers: [79, 79, 34] Generated Node #0,0: 64:[79, 79, 34] Operation: 81-47=34 Exploring Operation: 81-79=2, Resulting Numbers: [47, 79, 2] Generated Node #0,1: 64:[47, 79, 2] Operation: 81-79=2 Exploring Operation: 81-79=2, Resulting Numbers: [47, 79, 2] Generated Node #0,2: 64:[47, 79, 2] Operation: 81-79=2 Exploring Operation: 79-47=32, Resulting Numbers: [81, 79, 32] Generated Node #0,3: 64:[81, 79, 32] Operation: 79-47=32 Moving to Node #0,1 Current State: 64:[47, 79, 2], Operations: ['81-79=2'] Exploring Operation: 47+2=49, Resulting Numbers: [79, 49] Generated Node #0,1,0: 64:[79, 49] Operation: 47+2=49 Exploring Operation: 47-2=45, Resulting Numbers: [79, 45] Generated Node #0,1,1: 64:[79, 45] Operation: 47-2=45 Exploring Operation: 79-2=77, Resulting Numbers: [47, 77] Generated Node #0,1,2: 64:[47, 77] Operation: 79-2=77 Exploring Operation: 79-47=32, Resulting Numbers: [2, 32] Generated Node #0,1,3: 64:[2, 32] Operation: 79-47=32 Moving to Node #0,2 Current State: 64:[47, 79, 2], Operations: ['81-79=2'] Exploring Operation: 47-2=45, Resulting Numbers: [79, 45] Generated Node #0,2,0: 64:[79, 45] Operation: 47-2=45 Exploring Operation: 79-2=77, Resulting Numbers: [47, 77] Generated Node #0,2,1: 64:[47, 77] Operation: 79-2=77 Exploring Operation: 47+2=49, Resulting Numbers: [79, 49] Generated Node #0,2,2: 64:[79, 49] Operation: 47+2=49 Exploring Operation: 79-47=32, Resulting Numbers: [2, 32] Generated Node #0,2,3: 64:[2, 32] Operation: 79-47=32 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[2, 32], Operations: ['81-79=2', '79-47=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[81, 47, 79, 79], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [47, 79, 2] Generated Node #0,2: 64:[47, 79, 2] Operation: 81-79=2 Moving to Node #0,2 Current State: 64:[47, 79, 2], Operations: ['81-79=2'] Exploring Operation: 79-47=32, Resulting Numbers: [2, 32] Generated Node #0,2,3: 64:[2, 32] Operation: 79-47=32 Moving to Node #0,2,3 Current State: 64:[2, 32], Operations: ['81-79=2', '79-47=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 69, 2, 69, 21 ]
22
[ "69/69=1", "2+21=23", "23-1=22" ]
Current State: 22:[69, 2, 69, 21], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [2, 21, 1] Generated Node #2: [2, 21, 1] from Operation: 69/69=1 Current State: 22:[2, 21, 1], Operations: ['69/69=1'] Exploring Operation: 2+21=23, Resulting Numbers: [1, 23] Generated Node #3: [1, 23] from Operation: 2+21=23 Current State: 22:[1, 23], Operations: ['69/69=1', '2+21=23'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[69, 2, 69, 21], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [2, 21, 1] Generated Node #0,0: 22:[2, 21, 1] Operation: 69/69=1 Moving to Node #0,0 Current State: 22:[2, 21, 1], Operations: ['69/69=1'] Exploring Operation: 21+1=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 22:[2, 22] Operation: 21+1=22 Moving to Node #0,0,0 Current State: 22:[2, 22], Operations: ['69/69=1', '21+1=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 17, 12, 73, 19 ]
25
[ "17+12=29", "73-19=54", "54-29=25" ]
Current State: 25:[17, 12, 73, 19], Operations: [] Exploring Operation: 17+12=29, Resulting Numbers: [73, 19, 29] Generated Node #2: [73, 19, 29] from Operation: 17+12=29 Current State: 25:[73, 19, 29], Operations: ['17+12=29'] Exploring Operation: 73-19=54, Resulting Numbers: [29, 54] Generated Node #3: [29, 54] from Operation: 73-19=54 Current State: 25:[29, 54], Operations: ['17+12=29', '73-19=54'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[17, 12, 73, 19], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [12, 19, 56] Generated Node #0,0: 25:[12, 19, 56] Operation: 73-17=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[12, 19, 56], Operations: ['73-17=56'] Exploring Operation: 56-19=37, Resulting Numbers: [12, 37] Generated Node #0,0,0: 25:[12, 37] Operation: 56-19=37 Moving to Node #0,0,0 Current State: 25:[12, 37], Operations: ['73-17=56', '56-19=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[17, 12, 73, 19], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [12, 19, 56] Generated Node #0,0: 25:[12, 19, 56] Operation: 73-17=56 Moving to Node #0,0 Current State: 25:[12, 19, 56], Operations: ['73-17=56'] Exploring Operation: 56-19=37, Resulting Numbers: [12, 37] Generated Node #0,0,0: 25:[12, 37] Operation: 56-19=37 Moving to Node #0,0,0 Current State: 25:[12, 37], Operations: ['73-17=56', '56-19=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 3, 61, 77, 91 ]
78
[ "3+61=64", "91-77=14", "64+14=78" ]
Current State: 78:[3, 61, 77, 91], Operations: [] Exploring Operation: 3+61=64, Resulting Numbers: [77, 91, 64] Generated Node #2: [77, 91, 64] from Operation: 3+61=64 Current State: 78:[77, 91, 64], Operations: ['3+61=64'] Exploring Operation: 91-77=14, Resulting Numbers: [64, 14] Generated Node #3: [64, 14] from Operation: 91-77=14 Current State: 78:[64, 14], Operations: ['3+61=64', '91-77=14'] Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[3, 61, 77, 91], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [3, 61, 14] Generated Node #0,0: 78:[3, 61, 14] Operation: 91-77=14 Exploring Operation: 3+61=64, Resulting Numbers: [77, 91, 64] Generated Node #0,1: 78:[77, 91, 64] Operation: 3+61=64 Exploring Operation: 91-61=30, Resulting Numbers: [3, 77, 30] Generated Node #0,2: 78:[3, 77, 30] Operation: 91-61=30 Exploring Operation: 77-61=16, Resulting Numbers: [3, 91, 16] Generated Node #0,3: 78:[3, 91, 16] Operation: 77-61=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[3, 77, 30], Operations: ['91-61=30'] Exploring Operation: 3+30=33, Resulting Numbers: [77, 33] Generated Node #0,2,0: 78:[77, 33] Operation: 3+30=33 Exploring Operation: 30-3=27, Resulting Numbers: [77, 27] Generated Node #0,2,1: 78:[77, 27] Operation: 30-3=27 Exploring Operation: 30/3=10, Resulting Numbers: [77, 10] Generated Node #0,2,2: 78:[77, 10] Operation: 30/3=10 Exploring Operation: 3+77=80, Resulting Numbers: [30, 80] Generated Node #0,2,3: 78:[30, 80] Operation: 3+77=80 Moving to Node #0,2,1 Current State: 78:[77, 27], Operations: ['91-61=30', '30-3=27'] Exploring Operation: 77+27=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 77*27=2079, Resulting Numbers: [2079] 2079,78 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[77, 10], Operations: ['91-61=30', '30/3=10'] Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,78 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,78 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,78 unequal: No Solution Moving to Node #0,2,3 Current State: 78:[30, 80], Operations: ['91-61=30', '3+77=80'] Exploring Operation: 30*80=2400, Resulting Numbers: [2400] 2400,78 unequal: No Solution Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,78 unequal: No Solution Exploring Operation: 30+80=110, Resulting Numbers: [110] 110,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[77, 33], Operations: ['91-61=30', '3+30=33'] Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,78 unequal: No Solution Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,78 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[3, 91, 16], Operations: ['77-61=16'] Exploring Operation: 3+91=94, Resulting Numbers: [16, 94] Generated Node #0,3,0: 78:[16, 94] Operation: 3+91=94 Exploring Operation: 91-16=75, Resulting Numbers: [3, 75] Generated Node #0,3,1: 78:[3, 75] Operation: 91-16=75 Exploring Operation: 91-3=88, Resulting Numbers: [16, 88] Generated Node #0,3,2: 78:[16, 88] Operation: 91-3=88 Exploring Operation: 16-3=13, Resulting Numbers: [91, 13] Generated Node #0,3,3: 78:[91, 13] Operation: 16-3=13 Moving to Node #0,3,1 Current State: 78:[3, 75], Operations: ['77-61=16', '91-16=75'] Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[3, 61, 77, 91], Operations: [] Exploring Operation: 77-61=16, Resulting Numbers: [3, 91, 16] Generated Node #0,3: 78:[3, 91, 16] Operation: 77-61=16 Moving to Node #0,3 Current State: 78:[3, 91, 16], Operations: ['77-61=16'] Exploring Operation: 91-16=75, Resulting Numbers: [3, 75] Generated Node #0,3,1: 78:[3, 75] Operation: 91-16=75 Moving to Node #0,3,1 Current State: 78:[3, 75], Operations: ['77-61=16', '91-16=75'] Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 34, 94, 93, 88 ]
65
[ "94-34=60", "93-88=5", "60+5=65" ]
Current State: 65:[34, 94, 93, 88], Operations: [] Exploring Operation: 94-34=60, Resulting Numbers: [93, 88, 60] Generated Node #2: [93, 88, 60] from Operation: 94-34=60 Current State: 65:[93, 88, 60], Operations: ['94-34=60'] Exploring Operation: 93-88=5, Resulting Numbers: [60, 5] Generated Node #3: [60, 5] from Operation: 93-88=5 Current State: 65:[60, 5], Operations: ['94-34=60', '93-88=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[34, 94, 93, 88], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [34, 94, 5] Generated Node #0,0: 65:[34, 94, 5] Operation: 93-88=5 Exploring Operation: 94-88=6, Resulting Numbers: [34, 93, 6] Generated Node #0,1: 65:[34, 93, 6] Operation: 94-88=6 Exploring Operation: 94-93=1, Resulting Numbers: [34, 88, 1] Generated Node #0,2: 65:[34, 88, 1] Operation: 94-93=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[34, 88, 1], Operations: ['94-93=1'] Exploring Operation: 34-1=33, Resulting Numbers: [88, 33] Generated Node #0,2,0: 65:[88, 33] Operation: 34-1=33 Exploring Operation: 88-1=87, Resulting Numbers: [34, 87] Generated Node #0,2,1: 65:[34, 87] Operation: 88-1=87 Exploring Operation: 88-34=54, Resulting Numbers: [1, 54] Generated Node #0,2,2: 65:[1, 54] Operation: 88-34=54 Moving to Node #0,2,2 Current State: 65:[1, 54], Operations: ['94-93=1', '88-34=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[88, 33], Operations: ['94-93=1', '34-1=33'] Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[34, 87], Operations: ['94-93=1', '88-1=87'] Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,65 unequal: No Solution Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,65 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:[34, 94, 5], Operations: ['93-88=5'] Exploring Operation: 94-5=89, Resulting Numbers: [34, 89] Generated Node #0,0,0: 65:[34, 89] Operation: 94-5=89 Exploring Operation: 94-34=60, Resulting Numbers: [5, 60] Generated Node #0,0,1: 65:[5, 60] Operation: 94-34=60 Exploring Operation: 34-5=29, Resulting Numbers: [94, 29] Generated Node #0,0,2: 65:[94, 29] Operation: 34-5=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[5, 60], Operations: ['93-88=5', '94-34=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[34, 94, 93, 88], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [34, 94, 5] Generated Node #0,0: 65:[34, 94, 5] Operation: 93-88=5 Moving to Node #0,0 Current State: 65:[34, 94, 5], Operations: ['93-88=5'] Exploring Operation: 94-34=60, Resulting Numbers: [5, 60] Generated Node #0,0,1: 65:[5, 60] Operation: 94-34=60 Moving to Node #0,0,1 Current State: 65:[5, 60], Operations: ['93-88=5', '94-34=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 50, 53, 49, 31 ]
21
[ "53-50=3", "49-31=18", "3+18=21" ]
Current State: 21:[50, 53, 49, 31], Operations: [] Exploring Operation: 53-50=3, Resulting Numbers: [49, 31, 3] Generated Node #2: [49, 31, 3] from Operation: 53-50=3 Current State: 21:[49, 31, 3], Operations: ['53-50=3'] Exploring Operation: 49-31=18, Resulting Numbers: [3, 18] Generated Node #3: [3, 18] from Operation: 49-31=18 Current State: 21:[3, 18], Operations: ['53-50=3', '49-31=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[50, 53, 49, 31], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [53, 31, 1] Generated Node #0,0: 21:[53, 31, 1] Operation: 50-49=1 Exploring Operation: 53-49=4, Resulting Numbers: [50, 31, 4] Generated Node #0,1: 21:[50, 31, 4] Operation: 53-49=4 Exploring Operation: 53-50=3, Resulting Numbers: [49, 31, 3] Generated Node #0,2: 21:[49, 31, 3] Operation: 53-50=3 Exploring Operation: 53-31=22, Resulting Numbers: [50, 49, 22] Generated Node #0,3: 21:[50, 49, 22] Operation: 53-31=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[49, 31, 3], Operations: ['53-50=3'] Exploring Operation: 31-3=28, Resulting Numbers: [49, 28] Generated Node #0,2,0: 21:[49, 28] Operation: 31-3=28 Exploring Operation: 49-3=46, Resulting Numbers: [31, 46] Generated Node #0,2,1: 21:[31, 46] Operation: 49-3=46 Exploring Operation: 49-31=18, Resulting Numbers: [3, 18] Generated Node #0,2,2: 21:[3, 18] Operation: 49-31=18 Exploring Operation: 49+3=52, Resulting Numbers: [31, 52] Generated Node #0,2,3: 21:[31, 52] Operation: 49+3=52 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 21:[3, 18], Operations: ['53-50=3', '49-31=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[50, 53, 49, 31], Operations: [] Exploring Operation: 53-50=3, Resulting Numbers: [49, 31, 3] Generated Node #0,2: 21:[49, 31, 3] Operation: 53-50=3 Moving to Node #0,2 Current State: 21:[49, 31, 3], Operations: ['53-50=3'] Exploring Operation: 49-31=18, Resulting Numbers: [3, 18] Generated Node #0,2,2: 21:[3, 18] Operation: 49-31=18 Moving to Node #0,2,2 Current State: 21:[3, 18], Operations: ['53-50=3', '49-31=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 18, 34, 54, 40 ]
36
[ "18*40=720", "54-34=20", "720/20=36" ]
Current State: 36:[18, 34, 54, 40], Operations: [] Exploring Operation: 18*40=720, Resulting Numbers: [34, 54, 720] Generated Node #2: [34, 54, 720] from Operation: 18*40=720 Current State: 36:[34, 54, 720], Operations: ['18*40=720'] Exploring Operation: 54-34=20, Resulting Numbers: [720, 20] Generated Node #3: [720, 20] from Operation: 54-34=20 Current State: 36:[720, 20], Operations: ['18*40=720', '54-34=20'] Exploring Operation: 720/20=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[18, 34, 54, 40], Operations: [] Exploring Operation: 54-18=36, Resulting Numbers: [34, 40, 36] Generated Node #0,0: 36:[34, 40, 36] Operation: 54-18=36 Exploring Operation: 54-40=14, Resulting Numbers: [18, 34, 14] Generated Node #0,1: 36:[18, 34, 14] Operation: 54-40=14 Moving to Node #0,1 Current State: 36:[18, 34, 14], Operations: ['54-40=14'] Exploring Operation: 34-14=20, Resulting Numbers: [18, 20] Generated Node #0,1,0: 36:[18, 20] Operation: 34-14=20 Exploring Operation: 18-14=4, Resulting Numbers: [34, 4] Generated Node #0,1,1: 36:[34, 4] Operation: 18-14=4 Moving to Node #0,0 Current State: 36:[34, 40, 36], Operations: ['54-18=36'] Exploring Operation: 40-36=4, Resulting Numbers: [34, 4] Generated Node #0,0,0: 36:[34, 4] Operation: 40-36=4 Exploring Operation: 40-34=6, Resulting Numbers: [36, 6] Generated Node #0,0,1: 36:[36, 6] Operation: 40-34=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[36, 6], Operations: ['54-18=36', '40-34=6'] Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[34, 4], Operations: ['54-18=36', '40-36=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,36 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: 36:[18, 20], Operations: ['54-40=14', '34-14=20'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[34, 4], Operations: ['54-40=14', '18-14=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,36 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 42, 94, 56, 89 ]
93
[ "94-42=52", "56+89=145", "145-52=93" ]
Current State: 93:[42, 94, 56, 89], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [56, 89, 52] Generated Node #2: [56, 89, 52] from Operation: 94-42=52 Current State: 93:[56, 89, 52], Operations: ['94-42=52'] Exploring Operation: 56+89=145, Resulting Numbers: [52, 145] Generated Node #3: [52, 145] from Operation: 56+89=145 Current State: 93:[52, 145], Operations: ['94-42=52', '56+89=145'] Exploring Operation: 145-52=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[42, 94, 56, 89], Operations: [] Exploring Operation: 42+56=98, Resulting Numbers: [94, 89, 98] Generated Node #0,0: 93:[94, 89, 98] Operation: 42+56=98 Exploring Operation: 94-56=38, Resulting Numbers: [42, 89, 38] Generated Node #0,1: 93:[42, 89, 38] Operation: 94-56=38 Exploring Operation: 94-89=5, Resulting Numbers: [42, 56, 5] Generated Node #0,2: 93:[42, 56, 5] Operation: 94-89=5 Exploring Operation: 89-56=33, Resulting Numbers: [42, 94, 33] Generated Node #0,3: 93:[42, 94, 33] Operation: 89-56=33 Exploring Operation: 56-42=14, Resulting Numbers: [94, 89, 14] Generated Node #0,4: 93:[94, 89, 14] Operation: 56-42=14 Moving to Node #0,0 Current State: 93:[94, 89, 98], Operations: ['42+56=98'] Exploring Operation: 94+89=183, Resulting Numbers: [98, 183] Generated Node #0,0,0: 93:[98, 183] Operation: 94+89=183 Exploring Operation: 98-89=9, Resulting Numbers: [94, 9] Generated Node #0,0,1: 93:[94, 9] Operation: 98-89=9 Exploring Operation: 98-94=4, Resulting Numbers: [89, 4] Generated Node #0,0,2: 93:[89, 4] Operation: 98-94=4 Exploring Operation: 94-89=5, Resulting Numbers: [98, 5] Generated Node #0,0,3: 93:[98, 5] Operation: 94-89=5 Exploring Operation: 89+98=187, Resulting Numbers: [94, 187] Generated Node #0,0,4: 93:[94, 187] Operation: 89+98=187 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[89, 4], Operations: ['42+56=98', '98-94=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[42, 94, 56, 89], Operations: [] Exploring Operation: 42+56=98, Resulting Numbers: [94, 89, 98] Generated Node #0,0: 93:[94, 89, 98] Operation: 42+56=98 Moving to Node #0,0 Current State: 93:[94, 89, 98], Operations: ['42+56=98'] Exploring Operation: 98-94=4, Resulting Numbers: [89, 4] Generated Node #0,0,2: 93:[89, 4] Operation: 98-94=4 Moving to Node #0,0,2 Current State: 93:[89, 4], Operations: ['42+56=98', '98-94=4'] Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 4, 83, 4, 17 ]
26
[ "4+83=87", "17+87=104", "104/4=26" ]
Current State: 26:[4, 83, 4, 17], Operations: [] Exploring Operation: 4+83=87, Resulting Numbers: [17, 87] Generated Node #2: [17, 87] from Operation: 4+83=87 Current State: 26:[17, 87], Operations: ['4+83=87'] Exploring Operation: 17+87=104, Resulting Numbers: [104] 104,26 equal: Goal Reached Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[4, 83, 4, 17], Operations: [] Exploring Operation: 83-4=79, Resulting Numbers: [4, 17, 79] Generated Node #0,0: 26:[4, 17, 79] Operation: 83-4=79 Exploring Operation: 83-17=66, Resulting Numbers: [4, 4, 66] Generated Node #0,1: 26:[4, 4, 66] Operation: 83-17=66 Exploring Operation: 17-4=13, Resulting Numbers: [83, 4, 13] Generated Node #0,2: 26:[83, 4, 13] Operation: 17-4=13 Exploring Operation: 83-4=79, Resulting Numbers: [4, 17, 79] Generated Node #0,3: 26:[4, 17, 79] Operation: 83-4=79 Moving to Node #0,1 Current State: 26:[4, 4, 66], Operations: ['83-17=66'] Exploring Operation: 4/4=1, Resulting Numbers: [66, 1] Generated Node #0,1,0: 26:[66, 1] Operation: 4/4=1 Exploring Operation: 4-4=0, Resulting Numbers: [66, 0] Generated Node #0,1,1: 26:[66, 0] Operation: 4-4=0 Exploring Operation: 66-4=62, Resulting Numbers: [4, 62] Generated Node #0,1,2: 26:[4, 62] Operation: 66-4=62 Exploring Operation: 66-4=62, Resulting Numbers: [4, 62] Generated Node #0,1,3: 26:[4, 62] Operation: 66-4=62 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[4, 62], Operations: ['83-17=66', '66-4=62'] Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,26 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[4, 62], Operations: ['83-17=66', '66-4=62'] Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,26 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[66, 1], Operations: ['83-17=66', '4/4=1'] Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[66, 0], Operations: ['83-17=66', '4-4=0'] Exploring Operation: 66+0=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 66*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 66-0=66, Resulting Numbers: [66] 66,26 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: 26:[83, 4, 13], Operations: ['17-4=13'] Exploring Operation: 83-4=79, Resulting Numbers: [13, 79] Generated Node #0,2,0: 26:[13, 79] Operation: 83-4=79 Exploring Operation: 83-13=70, Resulting Numbers: [4, 70] Generated Node #0,2,1: 26:[4, 70] Operation: 83-13=70 Exploring Operation: 4+13=17, Resulting Numbers: [83, 17] Generated Node #0,2,2: 26:[83, 17] Operation: 4+13=17 Exploring Operation: 83+4=87, Resulting Numbers: [13, 87] Generated Node #0,2,3: 26:[13, 87] Operation: 83+4=87 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[4, 70], Operations: ['17-4=13', '83-13=70'] Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,26 unequal: No Solution Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,26 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[13, 79], Operations: ['17-4=13', '83-4=79'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 13*79=1027, Resulting Numbers: [1027] 1027,26 unequal: No Solution Exploring Operation: 13+79=92, Resulting Numbers: [92] 92,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[83, 17], Operations: ['17-4=13', '4+13=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,26 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[13, 87], Operations: ['17-4=13', '83+4=87'] Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,26 unequal: No Solution Exploring Operation: 13+87=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 13*87=1131, Resulting Numbers: [1131] 1131,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[4, 17, 79], Operations: ['83-4=79'] Exploring Operation: 79-17=62, Resulting Numbers: [4, 62] Generated Node #0,0,0: 26:[4, 62] Operation: 79-17=62 Exploring Operation: 79-4=75, Resulting Numbers: [17, 75] Generated Node #0,0,1: 26:[17, 75] Operation: 79-4=75 Exploring Operation: 17-4=13, Resulting Numbers: [79, 13] Generated Node #0,0,2: 26:[79, 13] Operation: 17-4=13 Exploring Operation: 4+17=21, Resulting Numbers: [79, 21] Generated Node #0,0,3: 26:[79, 21] Operation: 4+17=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[4, 62], Operations: ['83-4=79', '79-17=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,26 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[17, 75], Operations: ['83-4=79', '79-4=75'] Exploring Operation: 17*75=1275, Resulting Numbers: [1275] 1275,26 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,26 unequal: No Solution Exploring Operation: 17+75=92, Resulting Numbers: [92] 92,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 26:[79, 13], Operations: ['83-4=79', '17-4=13'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,26 unequal: No Solution Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[79, 21], Operations: ['83-4=79', '4+17=21'] Exploring Operation: 79*21=1659, Resulting Numbers: [1659] 1659,26 unequal: No Solution Exploring Operation: 79+21=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,26 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: 26:[4, 17, 79], Operations: ['83-4=79'] Exploring Operation: 17-4=13, Resulting Numbers: [79, 13] Generated Node #0,3,0: 26:[79, 13] Operation: 17-4=13 Exploring Operation: 79-17=62, Resulting Numbers: [4, 62] Generated Node #0,3,1: 26:[4, 62] Operation: 79-17=62 Exploring Operation: 79-4=75, Resulting Numbers: [17, 75] Generated Node #0,3,2: 26:[17, 75] Operation: 79-4=75 Exploring Operation: 4+17=21, Resulting Numbers: [79, 21] Generated Node #0,3,3: 26:[79, 21] Operation: 4+17=21 Moving to Node #0,3,1 Current State: 26:[4, 62], Operations: ['83-4=79', '79-17=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,26 unequal: No Solution Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,26 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[17, 75], Operations: ['83-4=79', '79-4=75'] Exploring Operation: 17+75=92, Resulting Numbers: [92] 92,26 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,26 unequal: No Solution Exploring Operation: 17*75=1275, Resulting Numbers: [1275] 1275,26 unequal: No Solution Moving to Node #0,3,0 Current State: 26:[79, 13], Operations: ['83-4=79', '17-4=13'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,26 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,26 unequal: No Solution Moving to Node #0,3,3 Current State: 26:[79, 21], Operations: ['83-4=79', '4+17=21'] Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,26 unequal: No Solution Exploring Operation: 79*21=1659, Resulting Numbers: [1659] 1659,26 unequal: No Solution Exploring Operation: 79+21=100, Resulting Numbers: [100] 100,26 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 57, 74, 88, 21 ]
64
[ "57+74=131", "88-21=67", "131-67=64" ]
Current State: 64:[57, 74, 88, 21], Operations: [] Exploring Operation: 57+74=131, Resulting Numbers: [88, 21, 131] Generated Node #2: [88, 21, 131] from Operation: 57+74=131 Current State: 64:[88, 21, 131], Operations: ['57+74=131'] Exploring Operation: 88-21=67, Resulting Numbers: [131, 67] Generated Node #3: [131, 67] from Operation: 88-21=67 Current State: 64:[131, 67], Operations: ['57+74=131', '88-21=67'] Exploring Operation: 131-67=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[57, 74, 88, 21], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [57, 21, 14] Generated Node #0,0: 64:[57, 21, 14] Operation: 88-74=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[57, 21, 14], Operations: ['88-74=14'] Exploring Operation: 57-21=36, Resulting Numbers: [14, 36] Generated Node #0,0,0: 64:[14, 36] Operation: 57-21=36 Moving to Node #0,0,0 Current State: 64:[14, 36], Operations: ['88-74=14', '57-21=36'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,64 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
[ 75, 35, 3, 1 ]
10
[ "75-35=40", "3+1=4", "40/4=10" ]
Current State: 10:[75, 35, 3, 1], Operations: [] Exploring Operation: 75-35=40, Resulting Numbers: [3, 1, 40] Generated Node #2: [3, 1, 40] from Operation: 75-35=40 Current State: 10:[3, 1, 40], Operations: ['75-35=40'] Exploring Operation: 3+1=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 3+1=4 Current State: 10:[40, 4], Operations: ['75-35=40', '3+1=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[75, 35, 3, 1], Operations: [] Exploring Operation: 75-1=74, Resulting Numbers: [35, 3, 74] Generated Node #0,0: 10:[35, 3, 74] Operation: 75-1=74 Exploring Operation: 35-3=32, Resulting Numbers: [75, 1, 32] Generated Node #0,1: 10:[75, 1, 32] Operation: 35-3=32 Exploring Operation: 75/3=25, Resulting Numbers: [35, 1, 25] Generated Node #0,2: 10:[35, 1, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [35, 1, 72] Generated Node #0,3: 10:[35, 1, 72] Operation: 75-3=72 Exploring Operation: 75-35=40, Resulting Numbers: [3, 1, 40] Generated Node #0,4: 10:[3, 1, 40] Operation: 75-35=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[3, 1, 40], Operations: ['75-35=40'] Exploring Operation: 40-3=37, Resulting Numbers: [1, 37] Generated Node #0,4,0: 10:[1, 37] Operation: 40-3=37 Exploring Operation: 3-1=2, Resulting Numbers: [40, 2] Generated Node #0,4,1: 10:[40, 2] Operation: 3-1=2 Exploring Operation: 3*1=3, Resulting Numbers: [40, 3] Generated Node #0,4,2: 10:[40, 3] Operation: 3*1=3 Exploring Operation: 40-1=39, Resulting Numbers: [3, 39] Generated Node #0,4,3: 10:[3, 39] Operation: 40-1=39 Exploring Operation: 3+1=4, Resulting Numbers: [40, 4] Generated Node #0,4,4: 10:[40, 4] Operation: 3+1=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 10:[1, 37], Operations: ['75-35=40', '40-3=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 10:[40, 2], Operations: ['75-35=40', '3-1=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 10:[3, 39], Operations: ['75-35=40', '40-1=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,10 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 10:[40, 3], Operations: ['75-35=40', '3*1=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 10:[40, 4], Operations: ['75-35=40', '3+1=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[75, 35, 3, 1], Operations: [] Exploring Operation: 75-35=40, Resulting Numbers: [3, 1, 40] Generated Node #0,4: 10:[3, 1, 40] Operation: 75-35=40 Moving to Node #0,4 Current State: 10:[3, 1, 40], Operations: ['75-35=40'] Exploring Operation: 3+1=4, Resulting Numbers: [40, 4] Generated Node #0,4,4: 10:[40, 4] Operation: 3+1=4 Moving to Node #0,4,4 Current State: 10:[40, 4], Operations: ['75-35=40', '3+1=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_5
sum_heuristic
[ 87, 27, 57, 25 ]
92
[ "87-27=60", "57-25=32", "60+32=92" ]
Current State: 92:[87, 27, 57, 25], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [57, 25, 60] Generated Node #2: [57, 25, 60] from Operation: 87-27=60 Current State: 92:[57, 25, 60], Operations: ['87-27=60'] Exploring Operation: 57-25=32, Resulting Numbers: [60, 32] Generated Node #3: [60, 32] from Operation: 57-25=32 Current State: 92:[60, 32], Operations: ['87-27=60', '57-25=32'] Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[87, 27, 57, 25], Operations: [] Exploring Operation: 87-57=30, Resulting Numbers: [27, 25, 30] Generated Node #0,0: 92:[27, 25, 30] Operation: 87-57=30 Exploring Operation: 57-27=30, Resulting Numbers: [87, 25, 30] Generated Node #0,1: 92:[87, 25, 30] Operation: 57-27=30 Exploring Operation: 27+57=84, Resulting Numbers: [87, 25, 84] Generated Node #0,2: 92:[87, 25, 84] Operation: 27+57=84 Moving to Node #0,0 Current State: 92:[27, 25, 30], Operations: ['87-57=30'] Exploring Operation: 30-27=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 92:[25, 3] Operation: 30-27=3 Exploring Operation: 30-25=5, Resulting Numbers: [27, 5] Generated Node #0,0,1: 92:[27, 5] Operation: 30-25=5 Exploring Operation: 27-25=2, Resulting Numbers: [30, 2] Generated Node #0,0,2: 92:[30, 2] Operation: 27-25=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[25, 3], Operations: ['87-57=30', '30-27=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,92 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:[27, 5], Operations: ['87-57=30', '30-25=5'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,92 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 #0,0,2 Current State: 92:[30, 2], Operations: ['87-57=30', '27-25=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,92 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:[87, 25, 30], Operations: ['57-27=30'] Exploring Operation: 30-25=5, Resulting Numbers: [87, 5] Generated Node #0,1,0: 92:[87, 5] Operation: 30-25=5 Exploring Operation: 25+30=55, Resulting Numbers: [87, 55] Generated Node #0,1,1: 92:[87, 55] Operation: 25+30=55 Exploring Operation: 87-30=57, Resulting Numbers: [25, 57] Generated Node #0,1,2: 92:[25, 57] Operation: 87-30=57 Moving to Node #0,2 Current State: 92:[87, 25, 84], Operations: ['27+57=84'] Exploring Operation: 84-25=59, Resulting Numbers: [87, 59] Generated Node #0,2,0: 92:[87, 59] Operation: 84-25=59 Exploring Operation: 87-84=3, Resulting Numbers: [25, 3] Generated Node #0,2,1: 92:[25, 3] Operation: 87-84=3 Exploring Operation: 25+84=109, Resulting Numbers: [87, 109] Generated Node #0,2,2: 92:[87, 109] Operation: 25+84=109 Moving to Node #0,2,1 Current State: 92:[25, 3], Operations: ['27+57=84', '87-84=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[87, 5], Operations: ['57-27=30', '30-25=5'] Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[87, 27, 57, 25], Operations: [] Exploring Operation: 57-27=30, Resulting Numbers: [87, 25, 30] Generated Node #0,1: 92:[87, 25, 30] Operation: 57-27=30 Moving to Node #0,1 Current State: 92:[87, 25, 30], Operations: ['57-27=30'] Exploring Operation: 30-25=5, Resulting Numbers: [87, 5] Generated Node #0,1,0: 92:[87, 5] Operation: 30-25=5 Moving to Node #0,1,0 Current State: 92:[87, 5], Operations: ['57-27=30', '30-25=5'] Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 59, 20, 14, 73 ]
84
[ "59+20=79", "79-73=6", "14*6=84" ]
Current State: 84:[59, 20, 14, 73], Operations: [] Exploring Operation: 59+20=79, Resulting Numbers: [14, 73, 79] Generated Node #2: [14, 73, 79] from Operation: 59+20=79 Current State: 84:[14, 73, 79], Operations: ['59+20=79'] Exploring Operation: 79-73=6, Resulting Numbers: [14, 6] Generated Node #3: [14, 6] from Operation: 79-73=6 Current State: 84:[14, 6], Operations: ['59+20=79', '79-73=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[59, 20, 14, 73], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [20, 14, 14] Generated Node #0,0: 84:[20, 14, 14] Operation: 73-59=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[20, 14, 14], Operations: ['73-59=14'] Exploring Operation: 20-14=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 84:[14, 6] Operation: 20-14=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[14, 6], Operations: ['73-59=14', '20-14=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[59, 20, 14, 73], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [20, 14, 14] Generated Node #0,0: 84:[20, 14, 14] Operation: 73-59=14 Moving to Node #0,0 Current State: 84:[20, 14, 14], Operations: ['73-59=14'] Exploring Operation: 20-14=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 84:[14, 6] Operation: 20-14=6 Moving to Node #0,0,0 Current State: 84:[14, 6], Operations: ['73-59=14', '20-14=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 59, 69, 27, 60 ]
43
[ "69-59=10", "60-27=33", "10+33=43" ]
Current State: 43:[59, 69, 27, 60], Operations: [] Exploring Operation: 69-59=10, Resulting Numbers: [27, 60, 10] Generated Node #2: [27, 60, 10] from Operation: 69-59=10 Current State: 43:[27, 60, 10], Operations: ['69-59=10'] Exploring Operation: 60-27=33, Resulting Numbers: [10, 33] Generated Node #3: [10, 33] from Operation: 60-27=33 Current State: 43:[10, 33], Operations: ['69-59=10', '60-27=33'] Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[59, 69, 27, 60], Operations: [] Exploring Operation: 60-27=33, Resulting Numbers: [59, 69, 33] Generated Node #0,0: 43:[59, 69, 33] Operation: 60-27=33 Exploring Operation: 69-27=42, Resulting Numbers: [59, 60, 42] Generated Node #0,1: 43:[59, 60, 42] Operation: 69-27=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[59, 60, 42], Operations: ['69-27=42'] Exploring Operation: 60-42=18, Resulting Numbers: [59, 18] Generated Node #0,1,0: 43:[59, 18] Operation: 60-42=18 Exploring Operation: 60-59=1, Resulting Numbers: [42, 1] Generated Node #0,1,1: 43:[42, 1] Operation: 60-59=1 Moving to Node #0,1,0 Current State: 43:[59, 18], Operations: ['69-27=42', '60-42=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[42, 1], Operations: ['69-27=42', '60-59=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[59, 69, 27, 60], Operations: [] Exploring Operation: 69-27=42, Resulting Numbers: [59, 60, 42] Generated Node #0,1: 43:[59, 60, 42] Operation: 69-27=42 Moving to Node #0,1 Current State: 43:[59, 60, 42], Operations: ['69-27=42'] Exploring Operation: 60-59=1, Resulting Numbers: [42, 1] Generated Node #0,1,1: 43:[42, 1] Operation: 60-59=1 Moving to Node #0,1,1 Current State: 43:[42, 1], Operations: ['69-27=42', '60-59=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 35, 1, 57, 4 ]
97
[ "35+1=36", "57+4=61", "36+61=97" ]
Current State: 97:[35, 1, 57, 4], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [57, 4, 36] Generated Node #2: [57, 4, 36] from Operation: 35+1=36 Current State: 97:[57, 4, 36], Operations: ['35+1=36'] Exploring Operation: 57+4=61, Resulting Numbers: [36, 61] Generated Node #3: [36, 61] from Operation: 57+4=61 Current State: 97:[36, 61], Operations: ['35+1=36', '57+4=61'] Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[35, 1, 57, 4], Operations: [] Exploring Operation: 35*4=140, Resulting Numbers: [1, 57, 140] Generated Node #0,0: 97:[1, 57, 140] Operation: 35*4=140 Exploring Operation: 35+1=36, Resulting Numbers: [57, 4, 36] Generated Node #0,1: 97:[57, 4, 36] Operation: 35+1=36 Moving to Node #0,0 Current State: 97:[1, 57, 140], Operations: ['35*4=140'] Exploring Operation: 140-1=139, Resulting Numbers: [57, 139] Generated Node #0,0,0: 97:[57, 139] Operation: 140-1=139 Exploring Operation: 1+57=58, Resulting Numbers: [140, 58] Generated Node #0,0,1: 97:[140, 58] Operation: 1+57=58 Moving to Node #0,1 Current State: 97:[57, 4, 36], Operations: ['35+1=36'] Exploring Operation: 4*36=144, Resulting Numbers: [57, 144] Generated Node #0,1,0: 97:[57, 144] Operation: 4*36=144 Exploring Operation: 57+4=61, Resulting Numbers: [36, 61] Generated Node #0,1,1: 97:[36, 61] Operation: 57+4=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[57, 144], Operations: ['35+1=36', '4*36=144'] Exploring Operation: 57+144=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 144-57=87, Resulting Numbers: [87] 87,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[36, 61], Operations: ['35+1=36', '57+4=61'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[35, 1, 57, 4], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [57, 4, 36] Generated Node #0,1: 97:[57, 4, 36] Operation: 35+1=36 Moving to Node #0,1 Current State: 97:[57, 4, 36], Operations: ['35+1=36'] Exploring Operation: 57+4=61, Resulting Numbers: [36, 61] Generated Node #0,1,1: 97:[36, 61] Operation: 57+4=61 Moving to Node #0,1,1 Current State: 97:[36, 61], Operations: ['35+1=36', '57+4=61'] Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
mult_heuristic
[ 42, 14, 34, 6 ]
44
[ "34-6=28", "28/14=2", "42+2=44" ]
Current State: 44:[42, 14, 34, 6], Operations: [] Exploring Operation: 34-6=28, Resulting Numbers: [42, 14, 28] Generated Node #2: [42, 14, 28] from Operation: 34-6=28 Current State: 44:[42, 14, 28], Operations: ['34-6=28'] Exploring Operation: 28/14=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 28/14=2 Current State: 44:[42, 2], Operations: ['34-6=28', '28/14=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[42, 14, 34, 6], Operations: [] Exploring Operation: 34-14=20, Resulting Numbers: [42, 6, 20] Generated Node #0,0: 44:[42, 6, 20] Operation: 34-14=20 Exploring Operation: 42-34=8, Resulting Numbers: [14, 6, 8] Generated Node #0,1: 44:[14, 6, 8] Operation: 42-34=8 Moving to Node #0,0 Current State: 44:[42, 6, 20], Operations: ['34-14=20'] Exploring Operation: 42/6=7, Resulting Numbers: [20, 7] Generated Node #0,0,0: 44:[20, 7] Operation: 42/6=7 Exploring Operation: 42-20=22, Resulting Numbers: [6, 22] Generated Node #0,0,1: 44:[6, 22] Operation: 42-20=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[6, 22], Operations: ['34-14=20', '42-20=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[20, 7], Operations: ['34-14=20', '42/6=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,44 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,44 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: 44:[14, 6, 8], Operations: ['42-34=8'] Exploring Operation: 8-6=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 44:[14, 2] Operation: 8-6=2 Exploring Operation: 14+8=22, Resulting Numbers: [6, 22] Generated Node #0,1,1: 44:[6, 22] Operation: 14+8=22 Moving to Node #0,1,1 Current State: 44:[6, 22], Operations: ['42-34=8', '14+8=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[14, 2], Operations: ['42-34=8', '8-6=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,44 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 49, 55, 1, 2 ]
13
[ "55-49=6", "2*6=12", "1+12=13" ]
Current State: 13:[49, 55, 1, 2], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [1, 2, 6] Generated Node #2: [1, 2, 6] from Operation: 55-49=6 Current State: 13:[1, 2, 6], Operations: ['55-49=6'] Exploring Operation: 2*6=12, Resulting Numbers: [1, 12] Generated Node #3: [1, 12] from Operation: 2*6=12 Current State: 13:[1, 12], Operations: ['55-49=6', '2*6=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[49, 55, 1, 2], Operations: [] Exploring Operation: 55-2=53, Resulting Numbers: [49, 1, 53] Generated Node #0,0: 13:[49, 1, 53] Operation: 55-2=53 Exploring Operation: 49-1=48, Resulting Numbers: [55, 2, 48] Generated Node #0,1: 13:[55, 2, 48] Operation: 49-1=48 Exploring Operation: 55-1=54, Resulting Numbers: [49, 2, 54] Generated Node #0,2: 13:[49, 2, 54] Operation: 55-1=54 Exploring Operation: 49-2=47, Resulting Numbers: [55, 1, 47] Generated Node #0,3: 13:[55, 1, 47] Operation: 49-2=47 Exploring Operation: 55-49=6, Resulting Numbers: [1, 2, 6] Generated Node #0,4: 13:[1, 2, 6] Operation: 55-49=6 Moving to Node #0,4 Current State: 13:[1, 2, 6], Operations: ['55-49=6'] Exploring Operation: 1*2=2, Resulting Numbers: [6, 2] Generated Node #0,4,0: 13:[6, 2] Operation: 1*2=2 Exploring Operation: 1+2=3, Resulting Numbers: [6, 3] Generated Node #0,4,1: 13:[6, 3] Operation: 1+2=3 Exploring Operation: 1+6=7, Resulting Numbers: [2, 7] Generated Node #0,4,2: 13:[2, 7] Operation: 1+6=7 Exploring Operation: 2+6=8, Resulting Numbers: [1, 8] Generated Node #0,4,3: 13:[1, 8] Operation: 2+6=8 Exploring Operation: 2*6=12, Resulting Numbers: [1, 12] Generated Node #0,4,4: 13:[1, 12] Operation: 2*6=12 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 13:[1, 12], Operations: ['55-49=6', '2*6=12'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[49, 55, 1, 2], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [1, 2, 6] Generated Node #0,4: 13:[1, 2, 6] Operation: 55-49=6 Moving to Node #0,4 Current State: 13:[1, 2, 6], Operations: ['55-49=6'] Exploring Operation: 2*6=12, Resulting Numbers: [1, 12] Generated Node #0,4,4: 13:[1, 12] Operation: 2*6=12 Moving to Node #0,4,4 Current State: 13:[1, 12], Operations: ['55-49=6', '2*6=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 6, 1, 29, 3 ]
87
[ "6*1=6", "6-3=3", "29*3=87" ]
Current State: 87:[6, 1, 29, 3], Operations: [] Exploring Operation: 6*1=6, Resulting Numbers: [29, 3, 6] Generated Node #2: [29, 3, 6] from Operation: 6*1=6 Current State: 87:[29, 3, 6], Operations: ['6*1=6'] Exploring Operation: 6-3=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 6-3=3 Current State: 87:[29, 3], Operations: ['6*1=6', '6-3=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[6, 1, 29, 3], Operations: [] Exploring Operation: 6*1=6, Resulting Numbers: [29, 3, 6] Generated Node #0,0: 87:[29, 3, 6] Operation: 6*1=6 Exploring Operation: 6-1=5, Resulting Numbers: [29, 3, 5] Generated Node #0,1: 87:[29, 3, 5] Operation: 6-1=5 Exploring Operation: 6-3=3, Resulting Numbers: [1, 29, 3] Generated Node #0,2: 87:[1, 29, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[29, 3, 5], Operations: ['6-1=5'] Exploring Operation: 29*3=87, Resulting Numbers: [5, 87] Generated Node #0,1,0: 87:[5, 87] Operation: 29*3=87 Exploring Operation: 29+3=32, Resulting Numbers: [5, 32] Generated Node #0,1,1: 87:[5, 32] Operation: 29+3=32 Exploring Operation: 5-3=2, Resulting Numbers: [29, 2] Generated Node #0,1,2: 87:[29, 2] Operation: 5-3=2 Moving to Node #0,1,2 Current State: 87:[29, 2], Operations: ['6-1=5', '5-3=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[5, 87], Operations: ['6-1=5', '29*3=87'] Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,87 unequal: No Solution Exploring Operation: 5*87=435, Resulting Numbers: [435] 435,87 unequal: No Solution Exploring Operation: 5+87=92, Resulting Numbers: [92] 92,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[5, 32], Operations: ['6-1=5', '29+3=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,87 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,87 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,87 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 Current State: 87:[1, 29, 3], Operations: ['6-3=3'] Exploring Operation: 29/1=29, Resulting Numbers: [3, 29] Generated Node #0,2,0: 87:[3, 29] Operation: 29/1=29 Exploring Operation: 1*3=3, Resulting Numbers: [29, 3] Generated Node #0,2,1: 87:[29, 3] Operation: 1*3=3 Exploring Operation: 1*29=29, Resulting Numbers: [3, 29] Generated Node #0,2,2: 87:[3, 29] Operation: 1*29=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 87:[3, 29], Operations: ['6-3=3', '29/1=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,87 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[6, 1, 29, 3], Operations: [] Exploring Operation: 6-3=3, Resulting Numbers: [1, 29, 3] Generated Node #0,2: 87:[1, 29, 3] Operation: 6-3=3 Moving to Node #0,2 Current State: 87:[1, 29, 3], Operations: ['6-3=3'] Exploring Operation: 29/1=29, Resulting Numbers: [3, 29] Generated Node #0,2,0: 87:[3, 29] Operation: 29/1=29 Moving to Node #0,2,0 Current State: 87:[3, 29], Operations: ['6-3=3', '29/1=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 89, 34, 73, 55 ]
37
[ "89-34=55", "73-55=18", "55-18=37" ]
Current State: 37:[89, 34, 73, 55], Operations: [] Exploring Operation: 89-34=55, Resulting Numbers: [73, 55, 55] Generated Node #2: [73, 55, 55] from Operation: 89-34=55 Current State: 37:[73, 55, 55], Operations: ['89-34=55'] Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,37 equal: Goal Reached Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[89, 34, 73, 55], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [34, 73, 34] Generated Node #0,0: 37:[34, 73, 34] Operation: 89-55=34 Exploring Operation: 89-73=16, Resulting Numbers: [34, 55, 16] Generated Node #0,1: 37:[34, 55, 16] Operation: 89-73=16 Exploring Operation: 89-34=55, Resulting Numbers: [73, 55, 55] Generated Node #0,2: 37:[73, 55, 55] Operation: 89-34=55 Exploring Operation: 73-55=18, Resulting Numbers: [89, 34, 18] Generated Node #0,3: 37:[89, 34, 18] Operation: 73-55=18 Exploring Operation: 73-34=39, Resulting Numbers: [89, 55, 39] Generated Node #0,4: 37:[89, 55, 39] Operation: 73-34=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[34, 73, 34], Operations: ['89-55=34'] Exploring Operation: 34+34=68, Resulting Numbers: [73, 68] Generated Node #0,0,0: 37:[73, 68] Operation: 34+34=68 Exploring Operation: 73-34=39, Resulting Numbers: [34, 39] Generated Node #0,0,1: 37:[34, 39] Operation: 73-34=39 Exploring Operation: 73-34=39, Resulting Numbers: [34, 39] Generated Node #0,0,2: 37:[34, 39] Operation: 73-34=39 Exploring Operation: 34+73=107, Resulting Numbers: [34, 107] Generated Node #0,0,3: 37:[34, 107] Operation: 34+73=107 Exploring Operation: 34/34=1, Resulting Numbers: [73, 1] Generated Node #0,0,4: 37:[73, 1] Operation: 34/34=1 Moving to Node #0,0,1 Current State: 37:[34, 39], Operations: ['89-55=34', '73-34=39'] Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,37 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[34, 39], Operations: ['89-55=34', '73-34=39'] Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,37 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[73, 68], Operations: ['89-55=34', '34+34=68'] Exploring Operation: 73+68=141, Resulting Numbers: [141] 141,37 unequal: No Solution Exploring Operation: 73*68=4964, Resulting Numbers: [4964] 4964,37 unequal: No Solution Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,0,4 Current State: 37:[73, 1], Operations: ['89-55=34', '34/34=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[34, 107], Operations: ['89-55=34', '34+73=107'] Exploring Operation: 107-34=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 34+107=141, Resulting Numbers: [141] 141,37 unequal: No Solution Exploring Operation: 34*107=3638, Resulting Numbers: [3638] 3638,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[34, 55, 16], Operations: ['89-73=16'] Exploring Operation: 34-16=18, Resulting Numbers: [55, 18] Generated Node #0,1,0: 37:[55, 18] Operation: 34-16=18 Exploring Operation: 34+16=50, Resulting Numbers: [55, 50] Generated Node #0,1,1: 37:[55, 50] Operation: 34+16=50 Exploring Operation: 55-34=21, Resulting Numbers: [16, 21] Generated Node #0,1,2: 37:[16, 21] Operation: 55-34=21 Exploring Operation: 55-16=39, Resulting Numbers: [34, 39] Generated Node #0,1,3: 37:[34, 39] Operation: 55-16=39 Exploring Operation: 55+16=71, Resulting Numbers: [34, 71] Generated Node #0,1,4: 37:[34, 71] Operation: 55+16=71 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[34, 39], Operations: ['89-73=16', '55-16=39'] Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,37 unequal: No Solution Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[55, 50], Operations: ['89-73=16', '34+16=50'] Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,37 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[55, 18], Operations: ['89-73=16', '34-16=18'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[89, 34, 73, 55], Operations: [] Exploring Operation: 89-73=16, Resulting Numbers: [34, 55, 16] Generated Node #0,1: 37:[34, 55, 16] Operation: 89-73=16 Moving to Node #0,1 Current State: 37:[34, 55, 16], Operations: ['89-73=16'] Exploring Operation: 34-16=18, Resulting Numbers: [55, 18] Generated Node #0,1,0: 37:[55, 18] Operation: 34-16=18 Moving to Node #0,1,0 Current State: 37:[55, 18], Operations: ['89-73=16', '34-16=18'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 45, 37, 53, 55 ]
53
[ "37+53=90", "90/45=2", "55-2=53" ]
Current State: 53:[45, 37, 53, 55], Operations: [] Exploring Operation: 37+53=90, Resulting Numbers: [45, 55, 90] Generated Node #2: [45, 55, 90] from Operation: 37+53=90 Current State: 53:[45, 55, 90], Operations: ['37+53=90'] Exploring Operation: 90/45=2, Resulting Numbers: [55, 2] Generated Node #3: [55, 2] from Operation: 90/45=2 Current State: 53:[55, 2], Operations: ['37+53=90', '90/45=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[45, 37, 53, 55], Operations: [] Exploring Operation: 45+37=82, Resulting Numbers: [53, 55, 82] Generated Node #0,0: 53:[53, 55, 82] Operation: 45+37=82 Moving to Node #0,0 Current State: 53:[53, 55, 82], Operations: ['45+37=82'] Exploring Operation: 82-53=29, Resulting Numbers: [55, 29] Generated Node #0,0,0: 53:[55, 29] Operation: 82-53=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[55, 29], Operations: ['45+37=82', '82-53=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 82, 10, 19, 60 ]
12
[ "60-19=41", "82/41=2", "10+2=12" ]
Current State: 12:[82, 10, 19, 60], Operations: [] Exploring Operation: 60-19=41, Resulting Numbers: [82, 10, 41] Generated Node #2: [82, 10, 41] from Operation: 60-19=41 Current State: 12:[82, 10, 41], Operations: ['60-19=41'] Exploring Operation: 82/41=2, Resulting Numbers: [10, 2] Generated Node #3: [10, 2] from Operation: 82/41=2 Current State: 12:[10, 2], Operations: ['60-19=41', '82/41=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[82, 10, 19, 60], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [82, 19, 6] Generated Node #0,0: 12:[82, 19, 6] Operation: 60/10=6 Exploring Operation: 82-60=22, Resulting Numbers: [10, 19, 22] Generated Node #0,1: 12:[10, 19, 22] Operation: 82-60=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[10, 19, 22], Operations: ['82-60=22'] Exploring Operation: 22-19=3, Resulting Numbers: [10, 3] Generated Node #0,1,0: 12:[10, 3] Operation: 22-19=3 Exploring Operation: 22-10=12, Resulting Numbers: [19, 12] Generated Node #0,1,1: 12:[19, 12] Operation: 22-10=12 Moving to Node #0,1,0 Current State: 12:[10, 3], Operations: ['82-60=22', '22-19=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[19, 12], Operations: ['82-60=22', '22-10=12'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[82, 19, 6], Operations: ['60/10=6'] Exploring Operation: 82-6=76, Resulting Numbers: [19, 76] Generated Node #0,0,0: 12:[19, 76] Operation: 82-6=76 Exploring Operation: 82-19=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 12:[6, 63] Operation: 82-19=63 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[6, 63], Operations: ['60/10=6', '82-19=63'] Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[19, 76], Operations: ['60/10=6', '82-6=76'] Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 54, 11, 32, 33 ]
66
[ "54+11=65", "33-32=1", "65+1=66" ]
Current State: 66:[54, 11, 32, 33], Operations: [] Exploring Operation: 54+11=65, Resulting Numbers: [32, 33, 65] Generated Node #2: [32, 33, 65] from Operation: 54+11=65 Current State: 66:[32, 33, 65], Operations: ['54+11=65'] Exploring Operation: 33-32=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 33-32=1 Current State: 66:[65, 1], Operations: ['54+11=65', '33-32=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[54, 11, 32, 33], Operations: [] Exploring Operation: 54+11=65, Resulting Numbers: [32, 33, 65] Generated Node #0,0: 66:[32, 33, 65] Operation: 54+11=65 Exploring Operation: 54-32=22, Resulting Numbers: [11, 33, 22] Generated Node #0,1: 66:[11, 33, 22] Operation: 54-32=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[11, 33, 22], Operations: ['54-32=22'] Exploring Operation: 33-11=22, Resulting Numbers: [22, 22] Generated Node #0,1,0: 66:[22, 22] Operation: 33-11=22 Exploring Operation: 33/11=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 66:[22, 3] Operation: 33/11=3 Moving to Node #0,1,0 Current State: 66:[22, 22], Operations: ['54-32=22', '33-11=22'] Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[22, 3], Operations: ['54-32=22', '33/11=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[54, 11, 32, 33], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [11, 33, 22] Generated Node #0,1: 66:[11, 33, 22] Operation: 54-32=22 Moving to Node #0,1 Current State: 66:[11, 33, 22], Operations: ['54-32=22'] Exploring Operation: 33/11=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 66:[22, 3] Operation: 33/11=3 Moving to Node #0,1,1 Current State: 66:[22, 3], Operations: ['54-32=22', '33/11=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 8, 35, 2, 4 ]
70
[ "8-2=6", "6-4=2", "35*2=70" ]
Current State: 70:[8, 35, 2, 4], Operations: [] Exploring Operation: 8-2=6, Resulting Numbers: [35, 4, 6] Generated Node #2: [35, 4, 6] from Operation: 8-2=6 Current State: 70:[35, 4, 6], Operations: ['8-2=6'] Exploring Operation: 6-4=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 6-4=2 Current State: 70:[35, 2], Operations: ['8-2=6', '6-4=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[8, 35, 2, 4], Operations: [] Exploring Operation: 4/2=2, Resulting Numbers: [8, 35, 2] Generated Node #0,0: 70:[8, 35, 2] Operation: 4/2=2 Exploring Operation: 4-2=2, Resulting Numbers: [8, 35, 2] Generated Node #0,1: 70:[8, 35, 2] Operation: 4-2=2 Exploring Operation: 8-4=4, Resulting Numbers: [35, 2, 4] Generated Node #0,2: 70:[35, 2, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [35, 2, 2] Generated Node #0,3: 70:[35, 2, 2] Operation: 8/4=2 Exploring Operation: 8+2=10, Resulting Numbers: [35, 4, 10] Generated Node #0,4: 70:[35, 4, 10] Operation: 8+2=10 Moving to Node #0,3 Current State: 70:[35, 2, 2], Operations: ['8/4=2'] Exploring Operation: 2*2=4, Resulting Numbers: [35, 4] Generated Node #0,3,0: 70:[35, 4] Operation: 2*2=4 Exploring Operation: 2/2=1, Resulting Numbers: [35, 1] Generated Node #0,3,1: 70:[35, 1] Operation: 2/2=1 Exploring Operation: 2+2=4, Resulting Numbers: [35, 4] Generated Node #0,3,2: 70:[35, 4] Operation: 2+2=4 Exploring Operation: 35*2=70, Resulting Numbers: [2, 70] Generated Node #0,3,3: 70:[2, 70] Operation: 35*2=70 Exploring Operation: 35*2=70, Resulting Numbers: [2, 70] Generated Node #0,3,4: 70:[2, 70] Operation: 35*2=70 Moving to Node #0,1 Current State: 70:[8, 35, 2], Operations: ['4-2=2'] Exploring Operation: 8+2=10, Resulting Numbers: [35, 10] Generated Node #0,1,0: 70:[35, 10] Operation: 8+2=10 Exploring Operation: 35*2=70, Resulting Numbers: [8, 70] Generated Node #0,1,1: 70:[8, 70] Operation: 35*2=70 Exploring Operation: 8*2=16, Resulting Numbers: [35, 16] Generated Node #0,1,2: 70:[35, 16] Operation: 8*2=16 Exploring Operation: 8/2=4, Resulting Numbers: [35, 4] Generated Node #0,1,3: 70:[35, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [35, 6] Generated Node #0,1,4: 70:[35, 6] Operation: 8-2=6 Moving to Node #0,4 Current State: 70:[35, 4, 10], Operations: ['8+2=10'] Exploring Operation: 35-4=31, Resulting Numbers: [10, 31] Generated Node #0,4,0: 70:[10, 31] Operation: 35-4=31 Exploring Operation: 4*10=40, Resulting Numbers: [35, 40] Generated Node #0,4,1: 70:[35, 40] Operation: 4*10=40 Exploring Operation: 35+4=39, Resulting Numbers: [10, 39] Generated Node #0,4,2: 70:[10, 39] Operation: 35+4=39 Exploring Operation: 10-4=6, Resulting Numbers: [35, 6] Generated Node #0,4,3: 70:[35, 6] Operation: 10-4=6 Exploring Operation: 4+10=14, Resulting Numbers: [35, 14] Generated Node #0,4,4: 70:[35, 14] Operation: 4+10=14 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 70:[35, 14], Operations: ['8+2=10', '4+10=14'] Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,70 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,70 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 #0,4,3 Current State: 70:[35, 6], Operations: ['8+2=10', '10-4=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,70 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 #0,4,0 Current State: 70:[10, 31], Operations: ['8+2=10', '35-4=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,70 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,70 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 #0,4,2 Current State: 70:[10, 39], Operations: ['8+2=10', '35+4=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,70 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,70 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 #0,4,1 Current State: 70:[35, 40], Operations: ['8+2=10', '4*10=40'] Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,70 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: 70:[8, 35, 2], Operations: ['4/2=2'] Exploring Operation: 8*2=16, Resulting Numbers: [35, 16] Generated Node #0,0,0: 70:[35, 16] Operation: 8*2=16 Exploring Operation: 35*2=70, Resulting Numbers: [8, 70] Generated Node #0,0,1: 70:[8, 70] Operation: 35*2=70 Exploring Operation: 8-2=6, Resulting Numbers: [35, 6] Generated Node #0,0,2: 70:[35, 6] Operation: 8-2=6 Exploring Operation: 8+2=10, Resulting Numbers: [35, 10] Generated Node #0,0,3: 70:[35, 10] Operation: 8+2=10 Exploring Operation: 8/2=4, Resulting Numbers: [35, 4] Generated Node #0,0,4: 70:[35, 4] Operation: 8/2=4 Moving to Node #0,2 Current State: 70:[35, 2, 4], Operations: ['8-4=4'] Exploring Operation: 2+4=6, Resulting Numbers: [35, 6] Generated Node #0,2,0: 70:[35, 6] Operation: 2+4=6 Exploring Operation: 35*2=70, Resulting Numbers: [4, 70] Generated Node #0,2,1: 70:[4, 70] Operation: 35*2=70 Exploring Operation: 4/2=2, Resulting Numbers: [35, 2] Generated Node #0,2,2: 70:[35, 2] Operation: 4/2=2 Exploring Operation: 2*4=8, Resulting Numbers: [35, 8] Generated Node #0,2,3: 70:[35, 8] Operation: 2*4=8 Exploring Operation: 4-2=2, Resulting Numbers: [35, 2] Generated Node #0,2,4: 70:[35, 2] Operation: 4-2=2 Moving to Node #0,3,3 Current State: 70:[2, 70], Operations: ['8/4=2', '35*2=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,70 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[35, 10], Operations: ['4-2=2', '8+2=10'] Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,70 unequal: No Solution Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,3,4 Current State: 70:[2, 70], Operations: ['8/4=2', '35*2=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,70 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[35, 10], Operations: ['4/2=2', '8+2=10'] Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,70 unequal: No Solution Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[35, 2], Operations: ['8-4=4', '4/2=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[8, 35, 2, 4], Operations: [] Exploring Operation: 8-4=4, Resulting Numbers: [35, 2, 4] Generated Node #0,2: 70:[35, 2, 4] Operation: 8-4=4 Moving to Node #0,2 Current State: 70:[35, 2, 4], Operations: ['8-4=4'] Exploring Operation: 4/2=2, Resulting Numbers: [35, 2] Generated Node #0,2,2: 70:[35, 2] Operation: 4/2=2 Moving to Node #0,2,2 Current State: 70:[35, 2], Operations: ['8-4=4', '4/2=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 34, 37, 49, 45 ]
23
[ "34+37=71", "49+45=94", "94-71=23" ]
Current State: 23:[34, 37, 49, 45], Operations: [] Exploring Operation: 34+37=71, Resulting Numbers: [49, 45, 71] Generated Node #2: [49, 45, 71] from Operation: 34+37=71 Current State: 23:[49, 45, 71], Operations: ['34+37=71'] Exploring Operation: 49+45=94, Resulting Numbers: [71, 94] Generated Node #3: [71, 94] from Operation: 49+45=94 Current State: 23:[71, 94], Operations: ['34+37=71', '49+45=94'] Exploring Operation: 94-71=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[34, 37, 49, 45], Operations: [] Exploring Operation: 49-37=12, Resulting Numbers: [34, 45, 12] Generated Node #0,0: 23:[34, 45, 12] Operation: 49-37=12 Exploring Operation: 49-45=4, Resulting Numbers: [34, 37, 4] Generated Node #0,1: 23:[34, 37, 4] Operation: 49-45=4 Exploring Operation: 45-37=8, Resulting Numbers: [34, 49, 8] Generated Node #0,2: 23:[34, 49, 8] Operation: 45-37=8 Exploring Operation: 49-34=15, Resulting Numbers: [37, 45, 15] Generated Node #0,3: 23:[37, 45, 15] Operation: 49-34=15 Exploring Operation: 45-34=11, Resulting Numbers: [37, 49, 11] Generated Node #0,4: 23:[37, 49, 11] Operation: 45-34=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[34, 45, 12], Operations: ['49-37=12'] Exploring Operation: 45+12=57, Resulting Numbers: [34, 57] Generated Node #0,0,0: 23:[34, 57] Operation: 45+12=57 Exploring Operation: 34+12=46, Resulting Numbers: [45, 46] Generated Node #0,0,1: 23:[45, 46] Operation: 34+12=46 Exploring Operation: 45-34=11, Resulting Numbers: [12, 11] Generated Node #0,0,2: 23:[12, 11] Operation: 45-34=11 Exploring Operation: 45-12=33, Resulting Numbers: [34, 33] Generated Node #0,0,3: 23:[34, 33] Operation: 45-12=33 Exploring Operation: 34-12=22, Resulting Numbers: [45, 22] Generated Node #0,0,4: 23:[45, 22] Operation: 34-12=22 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[34, 33], Operations: ['49-37=12', '45-12=33'] Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,23 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[12, 11], Operations: ['49-37=12', '45-34=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[34, 37, 49, 45], Operations: [] Exploring Operation: 49-37=12, Resulting Numbers: [34, 45, 12] Generated Node #0,0: 23:[34, 45, 12] Operation: 49-37=12 Moving to Node #0,0 Current State: 23:[34, 45, 12], Operations: ['49-37=12'] Exploring Operation: 45-34=11, Resulting Numbers: [12, 11] Generated Node #0,0,2: 23:[12, 11] Operation: 45-34=11 Moving to Node #0,0,2 Current State: 23:[12, 11], Operations: ['49-37=12', '45-34=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 68, 4, 44, 3 ]
52
[ "4+44=48", "48/3=16", "68-16=52" ]
Current State: 52:[68, 4, 44, 3], Operations: [] Exploring Operation: 4+44=48, Resulting Numbers: [68, 3, 48] Generated Node #2: [68, 3, 48] from Operation: 4+44=48 Current State: 52:[68, 3, 48], Operations: ['4+44=48'] Exploring Operation: 48/3=16, Resulting Numbers: [68, 16] Generated Node #3: [68, 16] from Operation: 48/3=16 Current State: 52:[68, 16], Operations: ['4+44=48', '48/3=16'] Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[68, 4, 44, 3], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [4, 3, 24] Generated Node #0,0: 52:[4, 3, 24] Operation: 68-44=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 3, 24], Operations: ['68-44=24'] Exploring Operation: 3+24=27, Resulting Numbers: [4, 27] Generated Node #0,0,0: 52:[4, 27] Operation: 3+24=27 Moving to Node #0,0,0 Current State: 52:[4, 27], Operations: ['68-44=24', '3+24=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 6, 37, 19, 48 ]
29
[ "6*19=114", "37+48=85", "114-85=29" ]
Current State: 29:[6, 37, 19, 48], Operations: [] Exploring Operation: 6*19=114, Resulting Numbers: [37, 48, 114] Generated Node #2: [37, 48, 114] from Operation: 6*19=114 Current State: 29:[37, 48, 114], Operations: ['6*19=114'] Exploring Operation: 37+48=85, Resulting Numbers: [114, 85] Generated Node #3: [114, 85] from Operation: 37+48=85 Current State: 29:[114, 85], Operations: ['6*19=114', '37+48=85'] Exploring Operation: 114-85=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[6, 37, 19, 48], Operations: [] Exploring Operation: 48-6=42, Resulting Numbers: [37, 19, 42] Generated Node #0,0: 29:[37, 19, 42] Operation: 48-6=42 Exploring Operation: 37-6=31, Resulting Numbers: [19, 48, 31] Generated Node #0,1: 29:[19, 48, 31] Operation: 37-6=31 Exploring Operation: 6+19=25, Resulting Numbers: [37, 48, 25] Generated Node #0,2: 29:[37, 48, 25] Operation: 6+19=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[37, 19, 42], Operations: ['48-6=42'] Exploring Operation: 37-19=18, Resulting Numbers: [42, 18] Generated Node #0,0,0: 29:[42, 18] Operation: 37-19=18 Exploring Operation: 42-37=5, Resulting Numbers: [19, 5] Generated Node #0,0,1: 29:[19, 5] Operation: 42-37=5 Exploring Operation: 42-19=23, Resulting Numbers: [37, 23] Generated Node #0,0,2: 29:[37, 23] Operation: 42-19=23 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[37, 23], Operations: ['48-6=42', '42-19=23'] Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,29 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,29 unequal: No Solution No 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: 29:[42, 18], Operations: ['48-6=42', '37-19=18'] Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,29 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,29 unequal: No Solution No 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: 29:[19, 5], Operations: ['48-6=42', '42-37=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,29 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,29 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: 29:[19, 48, 31], Operations: ['37-6=31'] Exploring Operation: 31-19=12, Resulting Numbers: [48, 12] Generated Node #0,1,0: 29:[48, 12] Operation: 31-19=12 Exploring Operation: 48-19=29, Resulting Numbers: [31, 29] Generated Node #0,1,1: 29:[31, 29] Operation: 48-19=29 Exploring Operation: 48-31=17, Resulting Numbers: [19, 17] Generated Node #0,1,2: 29:[19, 17] Operation: 48-31=17 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[31, 29], Operations: ['37-6=31', '48-19=29'] Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,29 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,29 unequal: No Solution No 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: 29:[19, 17], Operations: ['37-6=31', '48-31=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,29 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,29 unequal: No Solution No 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: 29:[48, 12], Operations: ['37-6=31', '31-19=12'] Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,29 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: 29:[37, 48, 25], Operations: ['6+19=25'] Exploring Operation: 37-25=12, Resulting Numbers: [48, 12] Generated Node #0,2,0: 29:[48, 12] Operation: 37-25=12 Exploring Operation: 48-37=11, Resulting Numbers: [25, 11] Generated Node #0,2,1: 29:[25, 11] Operation: 48-37=11 Exploring Operation: 48-25=23, Resulting Numbers: [37, 23] Generated Node #0,2,2: 29:[37, 23] Operation: 48-25=23 Moving to Node #0,2,2 Current State: 29:[37, 23], Operations: ['6+19=25', '48-25=23'] Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[25, 11], Operations: ['6+19=25', '48-37=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,29 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[48, 12], Operations: ['6+19=25', '37-25=12'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,29 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
[ 13, 89, 2, 22 ]
85
[ "13*2=26", "89+22=111", "111-26=85" ]
Current State: 85:[13, 89, 2, 22], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [89, 22, 26] Generated Node #2: [89, 22, 26] from Operation: 13*2=26 Current State: 85:[89, 22, 26], Operations: ['13*2=26'] Exploring Operation: 89+22=111, Resulting Numbers: [26, 111] Generated Node #3: [26, 111] from Operation: 89+22=111 Current State: 85:[26, 111], Operations: ['13*2=26', '89+22=111'] Exploring Operation: 111-26=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[13, 89, 2, 22], Operations: [] Exploring Operation: 89-2=87, Resulting Numbers: [13, 22, 87] Generated Node #0,0: 85:[13, 22, 87] Operation: 89-2=87 Exploring Operation: 22-2=20, Resulting Numbers: [13, 89, 20] Generated Node #0,1: 85:[13, 89, 20] Operation: 22-2=20 Exploring Operation: 13+2=15, Resulting Numbers: [89, 22, 15] Generated Node #0,2: 85:[89, 22, 15] Operation: 13+2=15 Exploring Operation: 22/2=11, Resulting Numbers: [13, 89, 11] Generated Node #0,3: 85:[13, 89, 11] Operation: 22/2=11 Exploring Operation: 22-13=9, Resulting Numbers: [89, 2, 9] Generated Node #0,4: 85:[89, 2, 9] Operation: 22-13=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[13, 22, 87], Operations: ['89-2=87'] Exploring Operation: 87-13=74, Resulting Numbers: [22, 74] Generated Node #0,0,0: 85:[22, 74] Operation: 87-13=74 Exploring Operation: 13+87=100, Resulting Numbers: [22, 100] Generated Node #0,0,1: 85:[22, 100] Operation: 13+87=100 Exploring Operation: 22-13=9, Resulting Numbers: [87, 9] Generated Node #0,0,2: 85:[87, 9] Operation: 22-13=9 Exploring Operation: 13+22=35, Resulting Numbers: [87, 35] Generated Node #0,0,3: 85:[87, 35] Operation: 13+22=35 Exploring Operation: 87-22=65, Resulting Numbers: [13, 65] Generated Node #0,0,4: 85:[13, 65] Operation: 87-22=65 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[87, 9], Operations: ['89-2=87', '22-13=9'] Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,85 unequal: No Solution Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[22, 74], Operations: ['89-2=87', '87-13=74'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 22*74=1628, Resulting Numbers: [1628] 1628,85 unequal: No Solution Exploring Operation: 22+74=96, Resulting Numbers: [96] 96,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[22, 100], Operations: ['89-2=87', '13+87=100'] Exploring Operation: 100-22=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 22+100=122, Resulting Numbers: [122] 122,85 unequal: No Solution Exploring Operation: 22*100=2200, Resulting Numbers: [2200] 2200,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 85:[87, 35], Operations: ['89-2=87', '13+22=35'] Exploring Operation: 87*35=3045, Resulting Numbers: [3045] 3045,85 unequal: No Solution Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 87+35=122, Resulting Numbers: [122] 122,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 85:[13, 65], Operations: ['89-2=87', '87-22=65'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 13+65=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 13*65=845, Resulting Numbers: [845] 845,85 unequal: No Solution Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[13, 89, 20], Operations: ['22-2=20'] Exploring Operation: 89-20=69, Resulting Numbers: [13, 69] Generated Node #0,1,0: 85:[13, 69] Operation: 89-20=69 Exploring Operation: 20-13=7, Resulting Numbers: [89, 7] Generated Node #0,1,1: 85:[89, 7] Operation: 20-13=7 Exploring Operation: 89-13=76, Resulting Numbers: [20, 76] Generated Node #0,1,2: 85:[20, 76] Operation: 89-13=76 Exploring Operation: 13+89=102, Resulting Numbers: [20, 102] Generated Node #0,1,3: 85:[20, 102] Operation: 13+89=102 Exploring Operation: 13+20=33, Resulting Numbers: [89, 33] Generated Node #0,1,4: 85:[89, 33] Operation: 13+20=33 Moving to Node #0,1,1 Current State: 85:[89, 7], Operations: ['22-2=20', '20-13=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[20, 76], Operations: ['22-2=20', '89-13=76'] Exploring Operation: 20*76=1520, Resulting Numbers: [1520] 1520,85 unequal: No Solution Exploring Operation: 20+76=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 76-20=56, Resulting Numbers: [56] 56,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[13, 69], Operations: ['22-2=20', '89-20=69'] Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 13*69=897, Resulting Numbers: [897] 897,85 unequal: No Solution Exploring Operation: 13+69=82, Resulting Numbers: [82] 82,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[20, 102], Operations: ['22-2=20', '13+89=102'] Exploring Operation: 20*102=2040, Resulting Numbers: [2040] 2040,85 unequal: No Solution Exploring Operation: 20+102=122, Resulting Numbers: [122] 122,85 unequal: No Solution Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[89, 33], Operations: ['22-2=20', '13+20=33'] Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,85 unequal: No Solution Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,85 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 #0,2 Current State: 85:[89, 22, 15], Operations: ['13+2=15'] Exploring Operation: 89+15=104, Resulting Numbers: [22, 104] Generated Node #0,2,0: 85:[22, 104] Operation: 89+15=104 Exploring Operation: 89-15=74, Resulting Numbers: [22, 74] Generated Node #0,2,1: 85:[22, 74] Operation: 89-15=74 Exploring Operation: 22-15=7, Resulting Numbers: [89, 7] Generated Node #0,2,2: 85:[89, 7] Operation: 22-15=7 Exploring Operation: 89-22=67, Resulting Numbers: [15, 67] Generated Node #0,2,3: 85:[15, 67] Operation: 89-22=67 Exploring Operation: 22+15=37, Resulting Numbers: [89, 37] Generated Node #0,2,4: 85:[89, 37] Operation: 22+15=37 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[89, 7], Operations: ['13+2=15', '22-15=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 85:[22, 74], Operations: ['13+2=15', '89-15=74'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 22+74=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 22*74=1628, Resulting Numbers: [1628] 1628,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 85:[15, 67], Operations: ['13+2=15', '89-22=67'] Exploring Operation: 15*67=1005, Resulting Numbers: [1005] 1005,85 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 15+67=82, Resulting Numbers: [82] 82,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 85:[22, 104], Operations: ['13+2=15', '89+15=104'] Exploring Operation: 22*104=2288, Resulting Numbers: [2288] 2288,85 unequal: No Solution Exploring Operation: 22+104=126, Resulting Numbers: [126] 126,85 unequal: No Solution Exploring Operation: 104-22=82, Resulting Numbers: [82] 82,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 85:[89, 37], Operations: ['13+2=15', '22+15=37'] Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,85 unequal: No Solution Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[89, 2, 9], Operations: ['22-13=9'] Exploring Operation: 89-9=80, Resulting Numbers: [2, 80] Generated Node #0,4,0: 85:[2, 80] Operation: 89-9=80 Exploring Operation: 89-2=87, Resulting Numbers: [9, 87] Generated Node #0,4,1: 85:[9, 87] Operation: 89-2=87 Exploring Operation: 2*9=18, Resulting Numbers: [89, 18] Generated Node #0,4,2: 85:[89, 18] Operation: 2*9=18 Exploring Operation: 9-2=7, Resulting Numbers: [89, 7] Generated Node #0,4,3: 85:[89, 7] Operation: 9-2=7 Exploring Operation: 89+2=91, Resulting Numbers: [9, 91] Generated Node #0,4,4: 85:[9, 91] Operation: 89+2=91 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 85:[89, 18], Operations: ['22-13=9', '2*9=18'] Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,85 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 85:[9, 87], Operations: ['22-13=9', '89-2=87'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 9+87=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 9*87=783, Resulting Numbers: [783] 783,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 85:[89, 7], Operations: ['22-13=9', '9-2=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 85:[2, 80], Operations: ['22-13=9', '89-9=80'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,85 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 85:[9, 91], Operations: ['22-13=9', '89+2=91'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 9*91=819, Resulting Numbers: [819] 819,85 unequal: No Solution Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[13, 89, 11], Operations: ['22/2=11'] Exploring Operation: 13+11=24, Resulting Numbers: [89, 24] Generated Node #0,3,0: 85:[89, 24] Operation: 13+11=24 Exploring Operation: 89-11=78, Resulting Numbers: [13, 78] Generated Node #0,3,1: 85:[13, 78] Operation: 89-11=78 Exploring Operation: 89-13=76, Resulting Numbers: [11, 76] Generated Node #0,3,2: 85:[11, 76] Operation: 89-13=76 Exploring Operation: 89+11=100, Resulting Numbers: [13, 100] Generated Node #0,3,3: 85:[13, 100] Operation: 89+11=100 Exploring Operation: 13-11=2, Resulting Numbers: [89, 2] Generated Node #0,3,4: 85:[89, 2] Operation: 13-11=2 Moving to Node #0,3,4 Current State: 85:[89, 2], Operations: ['22/2=11', '13-11=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,85 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[13, 78], Operations: ['22/2=11', '89-11=78'] Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 13+78=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 13*78=1014, Resulting Numbers: [1014] 1014,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[89, 24], Operations: ['22/2=11', '13+11=24'] Exploring Operation: 89+24=113, Resulting Numbers: [113] 113,85 unequal: No Solution Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 89*24=2136, Resulting Numbers: [2136] 2136,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[11, 76], Operations: ['22/2=11', '89-13=76'] Exploring Operation: 11+76=87, Resulting Numbers: [87] 87,85 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 11*76=836, Resulting Numbers: [836] 836,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[13, 100], Operations: ['22/2=11', '89+11=100'] Exploring Operation: 13+100=113, Resulting Numbers: [113] 113,85 unequal: No Solution Exploring Operation: 13*100=1300, Resulting Numbers: [1300] 1300,85 unequal: No Solution Exploring Operation: 100-13=87, Resulting Numbers: [87] 87,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 2, 26, 99, 10 ]
68
[ "10/2=5", "99-26=73", "73-5=68" ]
Current State: 68:[2, 26, 99, 10], Operations: [] Exploring Operation: 10/2=5, Resulting Numbers: [26, 99, 5] Generated Node #2: [26, 99, 5] from Operation: 10/2=5 Current State: 68:[26, 99, 5], Operations: ['10/2=5'] Exploring Operation: 99-26=73, Resulting Numbers: [5, 73] Generated Node #3: [5, 73] from Operation: 99-26=73 Current State: 68:[5, 73], Operations: ['10/2=5', '99-26=73'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[2, 26, 99, 10], Operations: [] Exploring Operation: 99-26=73, Resulting Numbers: [2, 10, 73] Generated Node #0,0: 68:[2, 10, 73] Operation: 99-26=73 Exploring Operation: 99-10=89, Resulting Numbers: [2, 26, 89] Generated Node #0,1: 68:[2, 26, 89] Operation: 99-10=89 Moving to Node #0,0 Current State: 68:[2, 10, 73], Operations: ['99-26=73'] Exploring Operation: 73-10=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 68:[2, 63] Operation: 73-10=63 Exploring Operation: 10/2=5, Resulting Numbers: [73, 5] Generated Node #0,0,1: 68:[73, 5] Operation: 10/2=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[2, 63], Operations: ['99-26=73', '73-10=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,68 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[73, 5], Operations: ['99-26=73', '10/2=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[2, 26, 99, 10], Operations: [] Exploring Operation: 99-26=73, Resulting Numbers: [2, 10, 73] Generated Node #0,0: 68:[2, 10, 73] Operation: 99-26=73 Moving to Node #0,0 Current State: 68:[2, 10, 73], Operations: ['99-26=73'] Exploring Operation: 10/2=5, Resulting Numbers: [73, 5] Generated Node #0,0,1: 68:[73, 5] Operation: 10/2=5 Moving to Node #0,0,1 Current State: 68:[73, 5], Operations: ['99-26=73', '10/2=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 11, 62, 63, 99 ]
15
[ "62-11=51", "99-63=36", "51-36=15" ]
Current State: 15:[11, 62, 63, 99], Operations: [] Exploring Operation: 62-11=51, Resulting Numbers: [63, 99, 51] Generated Node #2: [63, 99, 51] from Operation: 62-11=51 Current State: 15:[63, 99, 51], Operations: ['62-11=51'] Exploring Operation: 99-63=36, Resulting Numbers: [51, 36] Generated Node #3: [51, 36] from Operation: 99-63=36 Current State: 15:[51, 36], Operations: ['62-11=51', '99-63=36'] Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[11, 62, 63, 99], Operations: [] Exploring Operation: 99-62=37, Resulting Numbers: [11, 63, 37] Generated Node #0,0: 15:[11, 63, 37] Operation: 99-62=37 Exploring Operation: 99-63=36, Resulting Numbers: [11, 62, 36] Generated Node #0,1: 15:[11, 62, 36] Operation: 99-63=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[11, 62, 36], Operations: ['99-63=36'] Exploring Operation: 62-36=26, Resulting Numbers: [11, 26] Generated Node #0,1,0: 15:[11, 26] Operation: 62-36=26 Exploring Operation: 62-11=51, Resulting Numbers: [36, 51] Generated Node #0,1,1: 15:[36, 51] Operation: 62-11=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[11, 26], Operations: ['99-63=36', '62-36=26'] Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[11, 62, 63, 99], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [11, 62, 36] Generated Node #0,1: 15:[11, 62, 36] Operation: 99-63=36 Moving to Node #0,1 Current State: 15:[11, 62, 36], Operations: ['99-63=36'] Exploring Operation: 62-36=26, Resulting Numbers: [11, 26] Generated Node #0,1,0: 15:[11, 26] Operation: 62-36=26 Moving to Node #0,1,0 Current State: 15:[11, 26], Operations: ['99-63=36', '62-36=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 64, 2, 33, 31 ]
31
[ "64-2=62", "33-31=2", "62/2=31" ]
Current State: 31:[64, 2, 33, 31], Operations: [] Exploring Operation: 64-2=62, Resulting Numbers: [33, 31, 62] Generated Node #2: [33, 31, 62] from Operation: 64-2=62 Current State: 31:[33, 31, 62], Operations: ['64-2=62'] Exploring Operation: 33-31=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 33-31=2 Current State: 31:[62, 2], Operations: ['64-2=62', '33-31=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[64, 2, 33, 31], Operations: [] Exploring Operation: 64-33=31, Resulting Numbers: [2, 31, 31] Generated Node #0,0: 31:[2, 31, 31] Operation: 64-33=31 Exploring Operation: 64-2=62, Resulting Numbers: [33, 31, 62] Generated Node #0,1: 31:[33, 31, 62] Operation: 64-2=62 Exploring Operation: 64/2=32, Resulting Numbers: [33, 31, 32] Generated Node #0,2: 31:[33, 31, 32] Operation: 64/2=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[33, 31, 32], Operations: ['64/2=32'] Exploring Operation: 33-32=1, Resulting Numbers: [31, 1] Generated Node #0,2,0: 31:[31, 1] Operation: 33-32=1 Exploring Operation: 33-31=2, Resulting Numbers: [32, 2] Generated Node #0,2,1: 31:[32, 2] Operation: 33-31=2 Exploring Operation: 32-31=1, Resulting Numbers: [33, 1] Generated Node #0,2,2: 31:[33, 1] Operation: 32-31=1 Moving to Node #0,2,0 Current State: 31:[31, 1], Operations: ['64/2=32', '33-32=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[64, 2, 33, 31], Operations: [] Exploring Operation: 64/2=32, Resulting Numbers: [33, 31, 32] Generated Node #0,2: 31:[33, 31, 32] Operation: 64/2=32 Moving to Node #0,2 Current State: 31:[33, 31, 32], Operations: ['64/2=32'] Exploring Operation: 33-32=1, Resulting Numbers: [31, 1] Generated Node #0,2,0: 31:[31, 1] Operation: 33-32=1 Moving to Node #0,2,0 Current State: 31:[31, 1], Operations: ['64/2=32', '33-32=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 41, 36, 5, 39 ]
14
[ "41-36=5", "5*5=25", "39-25=14" ]
Current State: 14:[41, 36, 5, 39], Operations: [] Exploring Operation: 41-36=5, Resulting Numbers: [5, 39, 5] Generated Node #2: [5, 39, 5] from Operation: 41-36=5 Current State: 14:[5, 39, 5], Operations: ['41-36=5'] Exploring Operation: 5*5=25, Resulting Numbers: [39, 25] Generated Node #3: [39, 25] from Operation: 5*5=25 Current State: 14:[39, 25], Operations: ['41-36=5', '5*5=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[41, 36, 5, 39], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [36, 5, 2] Generated Node #0,0: 14:[36, 5, 2] Operation: 41-39=2 Exploring Operation: 41-36=5, Resulting Numbers: [5, 39, 5] Generated Node #0,1: 14:[5, 39, 5] Operation: 41-36=5 Exploring Operation: 41-5=36, Resulting Numbers: [36, 39, 36] Generated Node #0,2: 14:[36, 39, 36] Operation: 41-5=36 Exploring Operation: 39-36=3, Resulting Numbers: [41, 5, 3] Generated Node #0,3: 14:[41, 5, 3] Operation: 39-36=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[36, 5, 2], Operations: ['41-39=2'] Exploring Operation: 36-2=34, Resulting Numbers: [5, 34] Generated Node #0,0,0: 14:[5, 34] Operation: 36-2=34 Exploring Operation: 5+2=7, Resulting Numbers: [36, 7] Generated Node #0,0,1: 14:[36, 7] Operation: 5+2=7 Exploring Operation: 36-5=31, Resulting Numbers: [2, 31] Generated Node #0,0,2: 14:[2, 31] Operation: 36-5=31 Exploring Operation: 36/2=18, Resulting Numbers: [5, 18] Generated Node #0,0,3: 14:[5, 18] Operation: 36/2=18 Moving to Node #0,0,3 Current State: 14:[5, 18], Operations: ['41-39=2', '36/2=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,14 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[2, 31], Operations: ['41-39=2', '36-5=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[36, 7], Operations: ['41-39=2', '5+2=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,14 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[5, 34], Operations: ['41-39=2', '36-2=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,14 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[5, 39, 5], Operations: ['41-36=5'] Exploring Operation: 5-5=0, Resulting Numbers: [39, 0] Generated Node #0,1,0: 14:[39, 0] Operation: 5-5=0 Exploring Operation: 5/5=1, Resulting Numbers: [39, 1] Generated Node #0,1,1: 14:[39, 1] Operation: 5/5=1 Exploring Operation: 39-5=34, Resulting Numbers: [5, 34] Generated Node #0,1,2: 14:[5, 34] Operation: 39-5=34 Exploring Operation: 39-5=34, Resulting Numbers: [5, 34] Generated Node #0,1,3: 14:[5, 34] Operation: 39-5=34 Moving to Node #0,1,2 Current State: 14:[5, 34], Operations: ['41-36=5', '39-5=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[5, 34], Operations: ['41-36=5', '39-5=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,14 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[39, 1], Operations: ['41-36=5', '5/5=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[39, 0], Operations: ['41-36=5', '5-5=0'] Exploring Operation: 39*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 39+0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-0=39, Resulting Numbers: [39] 39,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[41, 5, 3], Operations: ['39-36=3'] Exploring Operation: 41-3=38, Resulting Numbers: [5, 38] Generated Node #0,3,0: 14:[5, 38] Operation: 41-3=38 Exploring Operation: 5+3=8, Resulting Numbers: [41, 8] Generated Node #0,3,1: 14:[41, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [41, 2] Generated Node #0,3,2: 14:[41, 2] Operation: 5-3=2 Exploring Operation: 41-5=36, Resulting Numbers: [3, 36] Generated Node #0,3,3: 14:[3, 36] Operation: 41-5=36 Moving to Node #0,3,3 Current State: 14:[3, 36], Operations: ['39-36=3', '41-5=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,14 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,14 unequal: No Solution Moving to Node #0,3,0 Current State: 14:[5, 38], Operations: ['39-36=3', '41-3=38'] Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,14 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[41, 2], Operations: ['39-36=3', '5-3=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[41, 8], Operations: ['39-36=3', '5+3=8'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[36, 39, 36], Operations: ['41-5=36'] Exploring Operation: 39-36=3, Resulting Numbers: [36, 3] Generated Node #0,2,0: 14:[36, 3] Operation: 39-36=3 Exploring Operation: 36-36=0, Resulting Numbers: [39, 0] Generated Node #0,2,1: 14:[39, 0] Operation: 36-36=0 Exploring Operation: 36/36=1, Resulting Numbers: [39, 1] Generated Node #0,2,2: 14:[39, 1] Operation: 36/36=1 Exploring Operation: 39-36=3, Resulting Numbers: [36, 3] Generated Node #0,2,3: 14:[36, 3] Operation: 39-36=3 Moving to Node #0,2,0 Current State: 14:[36, 3], Operations: ['41-5=36', '39-36=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,14 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[36, 3], Operations: ['41-5=36', '39-36=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,14 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[39, 1], Operations: ['41-5=36', '36/36=1'] Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[39, 0], Operations: ['41-5=36', '36-36=0'] Exploring Operation: 39+0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 72, 47, 29, 64 ]
26
[ "72+47=119", "29+64=93", "119-93=26" ]
Current State: 26:[72, 47, 29, 64], Operations: [] Exploring Operation: 72+47=119, Resulting Numbers: [29, 64, 119] Generated Node #2: [29, 64, 119] from Operation: 72+47=119 Current State: 26:[29, 64, 119], Operations: ['72+47=119'] Exploring Operation: 29+64=93, Resulting Numbers: [119, 93] Generated Node #3: [119, 93] from Operation: 29+64=93 Current State: 26:[119, 93], Operations: ['72+47=119', '29+64=93'] Exploring Operation: 119-93=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[72, 47, 29, 64], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [72, 29, 17] Generated Node #0,0: 26:[72, 29, 17] Operation: 64-47=17 Exploring Operation: 72-64=8, Resulting Numbers: [47, 29, 8] Generated Node #0,1: 26:[47, 29, 8] Operation: 72-64=8 Exploring Operation: 72-47=25, Resulting Numbers: [29, 64, 25] Generated Node #0,2: 26:[29, 64, 25] Operation: 72-47=25 Moving to Node #0,1 Current State: 26:[47, 29, 8], Operations: ['72-64=8'] Exploring Operation: 47-29=18, Resulting Numbers: [8, 18] Generated Node #0,1,0: 26:[8, 18] Operation: 47-29=18 Exploring Operation: 47-8=39, Resulting Numbers: [29, 39] Generated Node #0,1,1: 26:[29, 39] Operation: 47-8=39 Exploring Operation: 29-8=21, Resulting Numbers: [47, 21] Generated Node #0,1,2: 26:[47, 21] Operation: 29-8=21 Moving to Node #0,2 Current State: 26:[29, 64, 25], Operations: ['72-47=25'] Exploring Operation: 64-25=39, Resulting Numbers: [29, 39] Generated Node #0,2,0: 26:[29, 39] Operation: 64-25=39 Exploring Operation: 64-29=35, Resulting Numbers: [25, 35] Generated Node #0,2,1: 26:[25, 35] Operation: 64-29=35 Exploring Operation: 29-25=4, Resulting Numbers: [64, 4] Generated Node #0,2,2: 26:[64, 4] Operation: 29-25=4 Moving to Node #0,0 Current State: 26:[72, 29, 17], Operations: ['64-47=17'] Exploring Operation: 29-17=12, Resulting Numbers: [72, 12] Generated Node #0,0,0: 26:[72, 12] Operation: 29-17=12 Exploring Operation: 72-29=43, Resulting Numbers: [17, 43] Generated Node #0,0,1: 26:[17, 43] Operation: 72-29=43 Exploring Operation: 72-17=55, Resulting Numbers: [29, 55] Generated Node #0,0,2: 26:[29, 55] Operation: 72-17=55 Moving to Node #0,1,0 Current State: 26:[8, 18], Operations: ['72-64=8', '47-29=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,26 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[72, 47, 29, 64], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [47, 29, 8] Generated Node #0,1: 26:[47, 29, 8] Operation: 72-64=8 Moving to Node #0,1 Current State: 26:[47, 29, 8], Operations: ['72-64=8'] Exploring Operation: 47-29=18, Resulting Numbers: [8, 18] Generated Node #0,1,0: 26:[8, 18] Operation: 47-29=18 Moving to Node #0,1,0 Current State: 26:[8, 18], Operations: ['72-64=8', '47-29=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.983507
hs_3
sum_heuristic
[ 72, 57, 75, 63 ]
27
[ "72-57=15", "75-63=12", "15+12=27" ]
Current State: 27:[72, 57, 75, 63], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [75, 63, 15] Generated Node #2: [75, 63, 15] from Operation: 72-57=15 Current State: 27:[75, 63, 15], Operations: ['72-57=15'] Exploring Operation: 75-63=12, Resulting Numbers: [15, 12] Generated Node #3: [15, 12] from Operation: 75-63=12 Current State: 27:[15, 12], Operations: ['72-57=15', '75-63=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[72, 57, 75, 63], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [57, 75, 9] Generated Node #0,0: 27:[57, 75, 9] Operation: 72-63=9 Exploring Operation: 75-63=12, Resulting Numbers: [72, 57, 12] Generated Node #0,1: 27:[72, 57, 12] Operation: 75-63=12 Exploring Operation: 75-72=3, Resulting Numbers: [57, 63, 3] Generated Node #0,2: 27:[57, 63, 3] Operation: 75-72=3 Exploring Operation: 72-57=15, Resulting Numbers: [75, 63, 15] Generated Node #0,3: 27:[75, 63, 15] Operation: 72-57=15 Exploring Operation: 75-57=18, Resulting Numbers: [72, 63, 18] Generated Node #0,4: 27:[72, 63, 18] Operation: 75-57=18 Moving to Node #0,2 Current State: 27:[57, 63, 3], Operations: ['75-72=3'] Exploring Operation: 63-57=6, Resulting Numbers: [3, 6] Generated Node #0,2,0: 27:[3, 6] Operation: 63-57=6 Exploring Operation: 63-3=60, Resulting Numbers: [57, 60] Generated Node #0,2,1: 27:[57, 60] Operation: 63-3=60 Exploring Operation: 57-3=54, Resulting Numbers: [63, 54] Generated Node #0,2,2: 27:[63, 54] Operation: 57-3=54 Exploring Operation: 63/3=21, Resulting Numbers: [57, 21] Generated Node #0,2,3: 27:[57, 21] Operation: 63/3=21 Exploring Operation: 57/3=19, Resulting Numbers: [63, 19] Generated Node #0,2,4: 27:[63, 19] Operation: 57/3=19 Moving to Node #0,1 Current State: 27:[72, 57, 12], Operations: ['75-63=12'] Exploring Operation: 57-12=45, Resulting Numbers: [72, 45] Generated Node #0,1,0: 27:[72, 45] Operation: 57-12=45 Exploring Operation: 72-57=15, Resulting Numbers: [12, 15] Generated Node #0,1,1: 27:[12, 15] Operation: 72-57=15 Exploring Operation: 72+12=84, Resulting Numbers: [57, 84] Generated Node #0,1,2: 27:[57, 84] Operation: 72+12=84 Exploring Operation: 72/12=6, Resulting Numbers: [57, 6] Generated Node #0,1,3: 27:[57, 6] Operation: 72/12=6 Exploring Operation: 72-12=60, Resulting Numbers: [57, 60] Generated Node #0,1,4: 27:[57, 60] Operation: 72-12=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[12, 15], Operations: ['75-63=12', '72-57=15'] Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,27 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[72, 57, 75, 63], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [72, 57, 12] Generated Node #0,1: 27:[72, 57, 12] Operation: 75-63=12 Moving to Node #0,1 Current State: 27:[72, 57, 12], Operations: ['75-63=12'] Exploring Operation: 72-57=15, Resulting Numbers: [12, 15] Generated Node #0,1,1: 27:[12, 15] Operation: 72-57=15 Moving to Node #0,1,1 Current State: 27:[12, 15], Operations: ['75-63=12', '72-57=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 26, 21, 63, 87 ]
23
[ "26+21=47", "87-63=24", "47-24=23" ]
Current State: 23:[26, 21, 63, 87], Operations: [] Exploring Operation: 26+21=47, Resulting Numbers: [63, 87, 47] Generated Node #2: [63, 87, 47] from Operation: 26+21=47 Current State: 23:[63, 87, 47], Operations: ['26+21=47'] Exploring Operation: 87-63=24, Resulting Numbers: [47, 24] Generated Node #3: [47, 24] from Operation: 87-63=24 Current State: 23:[47, 24], Operations: ['26+21=47', '87-63=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[26, 21, 63, 87], Operations: [] Exploring Operation: 87-21=66, Resulting Numbers: [26, 63, 66] Generated Node #0,0: 23:[26, 63, 66] Operation: 87-21=66 Exploring Operation: 87-63=24, Resulting Numbers: [26, 21, 24] Generated Node #0,1: 23:[26, 21, 24] Operation: 87-63=24 Exploring Operation: 63-26=37, Resulting Numbers: [21, 87, 37] Generated Node #0,2: 23:[21, 87, 37] Operation: 63-26=37 Exploring Operation: 87-26=61, Resulting Numbers: [21, 63, 61] Generated Node #0,3: 23:[21, 63, 61] Operation: 87-26=61 Exploring Operation: 63-21=42, Resulting Numbers: [26, 87, 42] Generated Node #0,4: 23:[26, 87, 42] Operation: 63-21=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[26, 21, 24], Operations: ['87-63=24'] Exploring Operation: 21+24=45, Resulting Numbers: [26, 45] Generated Node #0,1,0: 23:[26, 45] Operation: 21+24=45 Exploring Operation: 26-24=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 23:[21, 2] Operation: 26-24=2 Exploring Operation: 26-21=5, Resulting Numbers: [24, 5] Generated Node #0,1,2: 23:[24, 5] Operation: 26-21=5 Exploring Operation: 24-21=3, Resulting Numbers: [26, 3] Generated Node #0,1,3: 23:[26, 3] Operation: 24-21=3 Exploring Operation: 26+21=47, Resulting Numbers: [24, 47] Generated Node #0,1,4: 23:[24, 47] Operation: 26+21=47 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[24, 5], Operations: ['87-63=24', '26-21=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,23 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,23 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:[21, 2], Operations: ['87-63=24', '26-24=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[26, 21, 63, 87], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [26, 21, 24] Generated Node #0,1: 23:[26, 21, 24] Operation: 87-63=24 Moving to Node #0,1 Current State: 23:[26, 21, 24], Operations: ['87-63=24'] Exploring Operation: 26-24=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 23:[21, 2] Operation: 26-24=2 Moving to Node #0,1,1 Current State: 23:[21, 2], Operations: ['87-63=24', '26-24=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 36, 50, 98, 52 ]
67
[ "36+98=134", "52-50=2", "134/2=67" ]
Current State: 67:[36, 50, 98, 52], Operations: [] Exploring Operation: 36+98=134, Resulting Numbers: [50, 52, 134] Generated Node #2: [50, 52, 134] from Operation: 36+98=134 Current State: 67:[50, 52, 134], Operations: ['36+98=134'] Exploring Operation: 52-50=2, Resulting Numbers: [134, 2] Generated Node #3: [134, 2] from Operation: 52-50=2 Current State: 67:[134, 2], Operations: ['36+98=134', '52-50=2'] Exploring Operation: 134/2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[36, 50, 98, 52], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [36, 52, 48] Generated Node #0,0: 67:[36, 52, 48] Operation: 98-50=48 Exploring Operation: 36+52=88, Resulting Numbers: [50, 98, 88] Generated Node #0,1: 67:[50, 98, 88] Operation: 36+52=88 Exploring Operation: 98-36=62, Resulting Numbers: [50, 52, 62] Generated Node #0,2: 67:[50, 52, 62] Operation: 98-36=62 Exploring Operation: 98-52=46, Resulting Numbers: [36, 50, 46] Generated Node #0,3: 67:[36, 50, 46] Operation: 98-52=46 Exploring Operation: 36+50=86, Resulting Numbers: [98, 52, 86] Generated Node #0,4: 67:[98, 52, 86] Operation: 36+50=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[50, 52, 62], Operations: ['98-36=62'] Exploring Operation: 62-50=12, Resulting Numbers: [52, 12] Generated Node #0,2,0: 67:[52, 12] Operation: 62-50=12 Exploring Operation: 52+62=114, Resulting Numbers: [50, 114] Generated Node #0,2,1: 67:[50, 114] Operation: 52+62=114 Exploring Operation: 50+62=112, Resulting Numbers: [52, 112] Generated Node #0,2,2: 67:[52, 112] Operation: 50+62=112 Exploring Operation: 52-50=2, Resulting Numbers: [62, 2] Generated Node #0,2,3: 67:[62, 2] Operation: 52-50=2 Exploring Operation: 50+52=102, Resulting Numbers: [62, 102] Generated Node #0,2,4: 67:[62, 102] Operation: 50+52=102 Moving to Node #0,2,4 Current State: 67:[62, 102], Operations: ['98-36=62', '50+52=102'] Exploring Operation: 62*102=6324, Resulting Numbers: [6324] 6324,67 unequal: No Solution Exploring Operation: 102-62=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 62+102=164, Resulting Numbers: [164] 164,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[52, 112], Operations: ['98-36=62', '50+62=112'] Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 52*112=5824, Resulting Numbers: [5824] 5824,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[50, 114], Operations: ['98-36=62', '52+62=114'] Exploring Operation: 50+114=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 114-50=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 50*114=5700, Resulting Numbers: [5700] 5700,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[52, 12], Operations: ['98-36=62', '62-50=12'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,67 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[62, 2], Operations: ['98-36=62', '52-50=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,67 unequal: No Solution No 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: 67:[36, 52, 48], Operations: ['98-50=48'] Exploring Operation: 52+48=100, Resulting Numbers: [36, 100] Generated Node #0,0,0: 67:[36, 100] Operation: 52+48=100 Exploring Operation: 52-36=16, Resulting Numbers: [48, 16] Generated Node #0,0,1: 67:[48, 16] Operation: 52-36=16 Exploring Operation: 48-36=12, Resulting Numbers: [52, 12] Generated Node #0,0,2: 67:[52, 12] Operation: 48-36=12 Exploring Operation: 36+52=88, Resulting Numbers: [48, 88] Generated Node #0,0,3: 67:[48, 88] Operation: 36+52=88 Exploring Operation: 36+48=84, Resulting Numbers: [52, 84] Generated Node #0,0,4: 67:[52, 84] Operation: 36+48=84 Moving to Node #0,0,4 Current State: 67:[52, 84], Operations: ['98-50=48', '36+48=84'] Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,67 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[48, 88], Operations: ['98-50=48', '36+52=88'] Exploring Operation: 48+88=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 48*88=4224, Resulting Numbers: [4224] 4224,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[36, 100], Operations: ['98-50=48', '52+48=100'] Exploring Operation: 100-36=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 36*100=3600, Resulting Numbers: [3600] 3600,67 unequal: No Solution Exploring Operation: 36+100=136, Resulting Numbers: [136] 136,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[48, 16], Operations: ['98-50=48', '52-36=16'] Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,67 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[52, 12], Operations: ['98-50=48', '48-36=12'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,67 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,67 unequal: No Solution No 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: 67:[98, 52, 86], Operations: ['36+50=86'] Exploring Operation: 52+86=138, Resulting Numbers: [98, 138] Generated Node #0,4,0: 67:[98, 138] Operation: 52+86=138 Exploring Operation: 86-52=34, Resulting Numbers: [98, 34] Generated Node #0,4,1: 67:[98, 34] Operation: 86-52=34 Exploring Operation: 98+52=150, Resulting Numbers: [86, 150] Generated Node #0,4,2: 67:[86, 150] Operation: 98+52=150 Exploring Operation: 98-52=46, Resulting Numbers: [86, 46] Generated Node #0,4,3: 67:[86, 46] Operation: 98-52=46 Exploring Operation: 98-86=12, Resulting Numbers: [52, 12] Generated Node #0,4,4: 67:[52, 12] Operation: 98-86=12 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 67:[86, 46], Operations: ['36+50=86', '98-52=46'] Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 86*46=3956, Resulting Numbers: [3956] 3956,67 unequal: No Solution Exploring Operation: 86+46=132, Resulting Numbers: [132] 132,67 unequal: No Solution No 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: 67:[98, 34], Operations: ['36+50=86', '86-52=34'] Exploring Operation: 98*34=3332, Resulting Numbers: [3332] 3332,67 unequal: No Solution Exploring Operation: 98-34=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 98+34=132, Resulting Numbers: [132] 132,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 67:[52, 12], Operations: ['36+50=86', '98-86=12'] Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,67 unequal: No Solution No 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: 67:[98, 138], Operations: ['36+50=86', '52+86=138'] Exploring Operation: 98+138=236, Resulting Numbers: [236] 236,67 unequal: No Solution Exploring Operation: 98*138=13524, Resulting Numbers: [13524] 13524,67 unequal: No Solution Exploring Operation: 138-98=40, Resulting Numbers: [40] 40,67 unequal: No Solution No 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: 67:[86, 150], Operations: ['36+50=86', '98+52=150'] Exploring Operation: 150-86=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 86*150=12900, Resulting Numbers: [12900] 12900,67 unequal: No Solution Exploring Operation: 86+150=236, Resulting Numbers: [236] 236,67 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: 67:[50, 98, 88], Operations: ['36+52=88'] Exploring Operation: 88-50=38, Resulting Numbers: [98, 38] Generated Node #0,1,0: 67:[98, 38] Operation: 88-50=38 Exploring Operation: 98-50=48, Resulting Numbers: [88, 48] Generated Node #0,1,1: 67:[88, 48] Operation: 98-50=48 Exploring Operation: 50+98=148, Resulting Numbers: [88, 148] Generated Node #0,1,2: 67:[88, 148] Operation: 50+98=148 Exploring Operation: 98-88=10, Resulting Numbers: [50, 10] Generated Node #0,1,3: 67:[50, 10] Operation: 98-88=10 Exploring Operation: 50+88=138, Resulting Numbers: [98, 138] Generated Node #0,1,4: 67:[98, 138] Operation: 50+88=138 Moving to Node #0,1,1 Current State: 67:[88, 48], Operations: ['36+52=88', '98-50=48'] Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 88+48=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 88*48=4224, Resulting Numbers: [4224] 4224,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[98, 38], Operations: ['36+52=88', '88-50=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,67 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[50, 10], Operations: ['36+52=88', '98-88=10'] Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,67 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[88, 148], Operations: ['36+52=88', '50+98=148'] Exploring Operation: 148-88=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 88*148=13024, Resulting Numbers: [13024] 13024,67 unequal: No Solution Exploring Operation: 88+148=236, Resulting Numbers: [236] 236,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[98, 138], Operations: ['36+52=88', '50+88=138'] Exploring Operation: 98*138=13524, Resulting Numbers: [13524] 13524,67 unequal: No Solution Exploring Operation: 138-98=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 98+138=236, Resulting Numbers: [236] 236,67 unequal: No Solution No 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: 67:[36, 50, 46], Operations: ['98-52=46'] Exploring Operation: 46-36=10, Resulting Numbers: [50, 10] Generated Node #0,3,0: 67:[50, 10] Operation: 46-36=10 Exploring Operation: 50-36=14, Resulting Numbers: [46, 14] Generated Node #0,3,1: 67:[46, 14] Operation: 50-36=14 Exploring Operation: 36+46=82, Resulting Numbers: [50, 82] Generated Node #0,3,2: 67:[50, 82] Operation: 36+46=82 Exploring Operation: 36+50=86, Resulting Numbers: [46, 86] Generated Node #0,3,3: 67:[46, 86] Operation: 36+50=86 Exploring Operation: 50+46=96, Resulting Numbers: [36, 96] Generated Node #0,3,4: 67:[36, 96] Operation: 50+46=96 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 67:[50, 82], Operations: ['98-52=46', '36+46=82'] Exploring Operation: 50*82=4100, Resulting Numbers: [4100] 4100,67 unequal: No Solution Exploring Operation: 50+82=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,67 unequal: No Solution No 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: 67:[46, 86], Operations: ['98-52=46', '36+50=86'] Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 46+86=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 46*86=3956, Resulting Numbers: [3956] 3956,67 unequal: No Solution No 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: 67:[36, 96], Operations: ['98-52=46', '50+46=96'] Exploring Operation: 36*96=3456, Resulting Numbers: [3456] 3456,67 unequal: No Solution Exploring Operation: 36+96=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,67 unequal: No Solution No 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: 67:[50, 10], Operations: ['98-52=46', '46-36=10'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,67 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,67 unequal: No Solution No 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: 67:[46, 14], Operations: ['98-52=46', '50-36=14'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,67 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,67 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,67 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
[ 39, 3, 33, 63 ]
49
[ "63-33=30", "30/3=10", "39+10=49" ]
Current State: 49:[39, 3, 33, 63], Operations: [] Exploring Operation: 63-33=30, Resulting Numbers: [39, 3, 30] Generated Node #2: [39, 3, 30] from Operation: 63-33=30 Current State: 49:[39, 3, 30], Operations: ['63-33=30'] Exploring Operation: 30/3=10, Resulting Numbers: [39, 10] Generated Node #3: [39, 10] from Operation: 30/3=10 Current State: 49:[39, 10], Operations: ['63-33=30', '30/3=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[39, 3, 33, 63], Operations: [] Exploring Operation: 39-33=6, Resulting Numbers: [3, 63, 6] Generated Node #0,0: 49:[3, 63, 6] Operation: 39-33=6 Moving to Node #0,0 Current State: 49:[3, 63, 6], Operations: ['39-33=6'] Exploring Operation: 63-3=60, Resulting Numbers: [6, 60] Generated Node #0,0,0: 49:[6, 60] Operation: 63-3=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[6, 60], Operations: ['39-33=6', '63-3=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,49 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
[ 16, 35, 61, 14 ]
52
[ "16-14=2", "61-35=26", "2*26=52" ]
Current State: 52:[16, 35, 61, 14], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [35, 61, 2] Generated Node #2: [35, 61, 2] from Operation: 16-14=2 Current State: 52:[35, 61, 2], Operations: ['16-14=2'] Exploring Operation: 61-35=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 61-35=26 Current State: 52:[2, 26], Operations: ['16-14=2', '61-35=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[16, 35, 61, 14], Operations: [] Exploring Operation: 61-35=26, Resulting Numbers: [16, 14, 26] Generated Node #0,0: 52:[16, 14, 26] Operation: 61-35=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[16, 14, 26], Operations: ['61-35=26'] Exploring Operation: 16-14=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 52:[26, 2] Operation: 16-14=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[26, 2], Operations: ['61-35=26', '16-14=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[16, 35, 61, 14], Operations: [] Exploring Operation: 61-35=26, Resulting Numbers: [16, 14, 26] Generated Node #0,0: 52:[16, 14, 26] Operation: 61-35=26 Moving to Node #0,0 Current State: 52:[16, 14, 26], Operations: ['61-35=26'] Exploring Operation: 16-14=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 52:[26, 2] Operation: 16-14=2 Moving to Node #0,0,0 Current State: 52:[26, 2], Operations: ['61-35=26', '16-14=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 38, 56, 53, 50 ]
85
[ "56-38=18", "53+50=103", "103-18=85" ]
Current State: 85:[38, 56, 53, 50], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [53, 50, 18] Generated Node #2: [53, 50, 18] from Operation: 56-38=18 Current State: 85:[53, 50, 18], Operations: ['56-38=18'] Exploring Operation: 53+50=103, Resulting Numbers: [18, 103] Generated Node #3: [18, 103] from Operation: 53+50=103 Current State: 85:[18, 103], Operations: ['56-38=18', '53+50=103'] Exploring Operation: 103-18=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[38, 56, 53, 50], Operations: [] Exploring Operation: 56-50=6, Resulting Numbers: [38, 53, 6] Generated Node #0,0: 85:[38, 53, 6] Operation: 56-50=6 Exploring Operation: 56-53=3, Resulting Numbers: [38, 50, 3] Generated Node #0,1: 85:[38, 50, 3] Operation: 56-53=3 Exploring Operation: 38+50=88, Resulting Numbers: [56, 53, 88] Generated Node #0,2: 85:[56, 53, 88] Operation: 38+50=88 Exploring Operation: 53-50=3, Resulting Numbers: [38, 56, 3] Generated Node #0,3: 85:[38, 56, 3] Operation: 53-50=3 Exploring Operation: 53-38=15, Resulting Numbers: [56, 50, 15] Generated Node #0,4: 85:[56, 50, 15] Operation: 53-38=15 Moving to Node #0,3 Current State: 85:[38, 56, 3], Operations: ['53-50=3'] Exploring Operation: 56+3=59, Resulting Numbers: [38, 59] Generated Node #0,3,0: 85:[38, 59] Operation: 56+3=59 Exploring Operation: 56-38=18, Resulting Numbers: [3, 18] Generated Node #0,3,1: 85:[3, 18] Operation: 56-38=18 Exploring Operation: 38-3=35, Resulting Numbers: [56, 35] Generated Node #0,3,2: 85:[56, 35] Operation: 38-3=35 Exploring Operation: 38+3=41, Resulting Numbers: [56, 41] Generated Node #0,3,3: 85:[56, 41] Operation: 38+3=41 Exploring Operation: 38+56=94, Resulting Numbers: [3, 94] Generated Node #0,3,4: 85:[3, 94] Operation: 38+56=94 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 85:[3, 18], Operations: ['53-50=3', '56-38=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,85 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,85 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 #0,3,4 Current State: 85:[3, 94], Operations: ['53-50=3', '38+56=94'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 3*94=282, Resulting Numbers: [282] 282,85 unequal: No Solution Exploring Operation: 3+94=97, Resulting Numbers: [97] 97,85 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 #0,3,0 Current State: 85:[38, 59], Operations: ['53-50=3', '56+3=59'] Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,85 unequal: No Solution Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,85 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,85 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 #0,3,2 Current State: 85:[56, 35], Operations: ['53-50=3', '38-3=35'] Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,85 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,85 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 #0,3,3 Current State: 85:[56, 41], Operations: ['53-50=3', '38+3=41'] Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,85 unequal: No Solution Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,85 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: 85:[38, 53, 6], Operations: ['56-50=6'] Exploring Operation: 53-38=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 85:[6, 15] Operation: 53-38=15 Exploring Operation: 38-6=32, Resulting Numbers: [53, 32] Generated Node #0,0,1: 85:[53, 32] Operation: 38-6=32 Exploring Operation: 53-6=47, Resulting Numbers: [38, 47] Generated Node #0,0,2: 85:[38, 47] Operation: 53-6=47 Exploring Operation: 38+53=91, Resulting Numbers: [6, 91] Generated Node #0,0,3: 85:[6, 91] Operation: 38+53=91 Exploring Operation: 53+6=59, Resulting Numbers: [38, 59] Generated Node #0,0,4: 85:[38, 59] Operation: 53+6=59 Moving to Node #0,1 Current State: 85:[38, 50, 3], Operations: ['56-53=3'] Exploring Operation: 50+3=53, Resulting Numbers: [38, 53] Generated Node #0,1,0: 85:[38, 53] Operation: 50+3=53 Exploring Operation: 38+50=88, Resulting Numbers: [3, 88] Generated Node #0,1,1: 85:[3, 88] Operation: 38+50=88 Exploring Operation: 50-3=47, Resulting Numbers: [38, 47] Generated Node #0,1,2: 85:[38, 47] Operation: 50-3=47 Exploring Operation: 38-3=35, Resulting Numbers: [50, 35] Generated Node #0,1,3: 85:[50, 35] Operation: 38-3=35 Exploring Operation: 50-38=12, Resulting Numbers: [3, 12] Generated Node #0,1,4: 85:[3, 12] Operation: 50-38=12 Moving to Node #0,2 Current State: 85:[56, 53, 88], Operations: ['38+50=88'] Exploring Operation: 56-53=3, Resulting Numbers: [88, 3] Generated Node #0,2,0: 85:[88, 3] Operation: 56-53=3 Exploring Operation: 53+88=141, Resulting Numbers: [56, 141] Generated Node #0,2,1: 85:[56, 141] Operation: 53+88=141 Exploring Operation: 88-56=32, Resulting Numbers: [53, 32] Generated Node #0,2,2: 85:[53, 32] Operation: 88-56=32 Exploring Operation: 56+53=109, Resulting Numbers: [88, 109] Generated Node #0,2,3: 85:[88, 109] Operation: 56+53=109 Exploring Operation: 88-53=35, Resulting Numbers: [56, 35] Generated Node #0,2,4: 85:[56, 35] Operation: 88-53=35 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[88, 3], Operations: ['38+50=88', '56-53=3'] Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,85 unequal: No Solution Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[38, 56, 53, 50], Operations: [] Exploring Operation: 38+50=88, Resulting Numbers: [56, 53, 88] Generated Node #0,2: 85:[56, 53, 88] Operation: 38+50=88 Moving to Node #0,2 Current State: 85:[56, 53, 88], Operations: ['38+50=88'] Exploring Operation: 56-53=3, Resulting Numbers: [88, 3] Generated Node #0,2,0: 85:[88, 3] Operation: 56-53=3 Moving to Node #0,2,0 Current State: 85:[88, 3], Operations: ['38+50=88', '56-53=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
sum_heuristic
[ 43, 99, 46, 38 ]
71
[ "46-43=3", "99/3=33", "38+33=71" ]
Current State: 71:[43, 99, 46, 38], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [99, 38, 3] Generated Node #2: [99, 38, 3] from Operation: 46-43=3 Current State: 71:[99, 38, 3], Operations: ['46-43=3'] Exploring Operation: 99/3=33, Resulting Numbers: [38, 33] Generated Node #3: [38, 33] from Operation: 99/3=33 Current State: 71:[38, 33], Operations: ['46-43=3', '99/3=33'] Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[43, 99, 46, 38], Operations: [] Exploring Operation: 43+46=89, Resulting Numbers: [99, 38, 89] Generated Node #0,0: 71:[99, 38, 89] Operation: 43+46=89 Exploring Operation: 43+38=81, Resulting Numbers: [99, 46, 81] Generated Node #0,1: 71:[99, 46, 81] Operation: 43+38=81 Exploring Operation: 46+38=84, Resulting Numbers: [43, 99, 84] Generated Node #0,2: 71:[43, 99, 84] Operation: 46+38=84 Exploring Operation: 99-38=61, Resulting Numbers: [43, 46, 61] Generated Node #0,3: 71:[43, 46, 61] Operation: 99-38=61 Exploring Operation: 99-43=56, Resulting Numbers: [46, 38, 56] Generated Node #0,4: 71:[46, 38, 56] Operation: 99-43=56 Moving to Node #0,1 Current State: 71:[99, 46, 81], Operations: ['43+38=81'] Exploring Operation: 46+81=127, Resulting Numbers: [99, 127] Generated Node #0,1,0: 71:[99, 127] Operation: 46+81=127 Exploring Operation: 81-46=35, Resulting Numbers: [99, 35] Generated Node #0,1,1: 71:[99, 35] Operation: 81-46=35 Exploring Operation: 99-46=53, Resulting Numbers: [81, 53] Generated Node #0,1,2: 71:[81, 53] Operation: 99-46=53 Exploring Operation: 99-81=18, Resulting Numbers: [46, 18] Generated Node #0,1,3: 71:[46, 18] Operation: 99-81=18 Exploring Operation: 99+46=145, Resulting Numbers: [81, 145] Generated Node #0,1,4: 71:[81, 145] Operation: 99+46=145 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[81, 53], Operations: ['43+38=81', '99-46=53'] Exploring Operation: 81+53=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 81*53=4293, Resulting Numbers: [4293] 4293,71 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,71 unequal: No Solution No 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: 71:[99, 35], Operations: ['43+38=81', '81-46=35'] Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 99+35=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 99*35=3465, Resulting Numbers: [3465] 3465,71 unequal: No Solution No 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: 71:[46, 18], Operations: ['43+38=81', '99-81=18'] Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,71 unequal: No Solution No 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: 71:[99, 127], Operations: ['43+38=81', '46+81=127'] Exploring Operation: 99+127=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 127-99=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 99*127=12573, Resulting Numbers: [12573] 12573,71 unequal: No Solution No 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: 71:[81, 145], Operations: ['43+38=81', '99+46=145'] Exploring Operation: 145-81=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 81*145=11745, Resulting Numbers: [11745] 11745,71 unequal: No Solution Exploring Operation: 81+145=226, Resulting Numbers: [226] 226,71 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: 71:[43, 46, 61], Operations: ['99-38=61'] Exploring Operation: 46+61=107, Resulting Numbers: [43, 107] Generated Node #0,3,0: 71:[43, 107] Operation: 46+61=107 Exploring Operation: 46-43=3, Resulting Numbers: [61, 3] Generated Node #0,3,1: 71:[61, 3] Operation: 46-43=3 Exploring Operation: 61-43=18, Resulting Numbers: [46, 18] Generated Node #0,3,2: 71:[46, 18] Operation: 61-43=18 Exploring Operation: 43+46=89, Resulting Numbers: [61, 89] Generated Node #0,3,3: 71:[61, 89] Operation: 43+46=89 Exploring Operation: 43+61=104, Resulting Numbers: [46, 104] Generated Node #0,3,4: 71:[46, 104] Operation: 43+61=104 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[61, 89], Operations: ['99-38=61', '43+46=89'] Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 61*89=5429, Resulting Numbers: [5429] 5429,71 unequal: No Solution Exploring Operation: 61+89=150, Resulting Numbers: [150] 150,71 unequal: No Solution No 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: 71:[46, 104], Operations: ['99-38=61', '43+61=104'] Exploring Operation: 46+104=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 46*104=4784, Resulting Numbers: [4784] 4784,71 unequal: No Solution Exploring Operation: 104-46=58, Resulting Numbers: [58] 58,71 unequal: No Solution No 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: 71:[43, 107], Operations: ['99-38=61', '46+61=107'] Exploring Operation: 107-43=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 43+107=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 43*107=4601, Resulting Numbers: [4601] 4601,71 unequal: No Solution No 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: 71:[61, 3], Operations: ['99-38=61', '46-43=3'] Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 61*3=183, Resulting Numbers: [183] 183,71 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,71 unequal: No Solution No 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: 71:[46, 18], Operations: ['99-38=61', '61-43=18'] Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,71 unequal: No Solution Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,71 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: 71:[43, 99, 84], Operations: ['46+38=84'] Exploring Operation: 99-84=15, Resulting Numbers: [43, 15] Generated Node #0,2,0: 71:[43, 15] Operation: 99-84=15 Exploring Operation: 99-43=56, Resulting Numbers: [84, 56] Generated Node #0,2,1: 71:[84, 56] Operation: 99-43=56 Exploring Operation: 84-43=41, Resulting Numbers: [99, 41] Generated Node #0,2,2: 71:[99, 41] Operation: 84-43=41 Exploring Operation: 43+99=142, Resulting Numbers: [84, 142] Generated Node #0,2,3: 71:[84, 142] Operation: 43+99=142 Exploring Operation: 43+84=127, Resulting Numbers: [99, 127] Generated Node #0,2,4: 71:[99, 127] Operation: 43+84=127 Moving to Node #0,4 Current State: 71:[46, 38, 56], Operations: ['99-43=56'] Exploring Operation: 46+56=102, Resulting Numbers: [38, 102] Generated Node #0,4,0: 71:[38, 102] Operation: 46+56=102 Exploring Operation: 38+56=94, Resulting Numbers: [46, 94] Generated Node #0,4,1: 71:[46, 94] Operation: 38+56=94 Exploring Operation: 56-38=18, Resulting Numbers: [46, 18] Generated Node #0,4,2: 71:[46, 18] Operation: 56-38=18 Exploring Operation: 46-38=8, Resulting Numbers: [56, 8] Generated Node #0,4,3: 71:[56, 8] Operation: 46-38=8 Exploring Operation: 46+38=84, Resulting Numbers: [56, 84] Generated Node #0,4,4: 71:[56, 84] Operation: 46+38=84 Moving to Node #0,0 Current State: 71:[99, 38, 89], Operations: ['43+46=89'] Exploring Operation: 99-89=10, Resulting Numbers: [38, 10] Generated Node #0,0,0: 71:[38, 10] Operation: 99-89=10 Exploring Operation: 99-38=61, Resulting Numbers: [89, 61] Generated Node #0,0,1: 71:[89, 61] Operation: 99-38=61 Exploring Operation: 38+89=127, Resulting Numbers: [99, 127] Generated Node #0,0,2: 71:[99, 127] Operation: 38+89=127 Exploring Operation: 99+38=137, Resulting Numbers: [89, 137] Generated Node #0,0,3: 71:[89, 137] Operation: 99+38=137 Exploring Operation: 89-38=51, Resulting Numbers: [99, 51] Generated Node #0,0,4: 71:[99, 51] Operation: 89-38=51 Moving to Node #0,2,1 Current State: 71:[84, 56], Operations: ['46+38=84', '99-43=56'] Exploring Operation: 84+56=140, Resulting Numbers: [140] 140,71 unequal: No Solution Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 84*56=4704, Resulting Numbers: [4704] 4704,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[56, 84], Operations: ['99-43=56', '46+38=84'] Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 56*84=4704, Resulting Numbers: [4704] 4704,71 unequal: No Solution Exploring Operation: 56+84=140, Resulting Numbers: [140] 140,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[89, 61], Operations: ['43+46=89', '99-38=61'] Exploring Operation: 89+61=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 89*61=5429, Resulting Numbers: [5429] 5429,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[46, 94], Operations: ['99-43=56', '38+56=94'] Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 46*94=4324, Resulting Numbers: [4324] 4324,71 unequal: No Solution Exploring Operation: 46+94=140, Resulting Numbers: [140] 140,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[99, 51], Operations: ['43+46=89', '89-38=51'] Exploring Operation: 99*51=5049, Resulting Numbers: [5049] 5049,71 unequal: No Solution Exploring Operation: 99+51=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 99-51=48, Resulting Numbers: [48] 48,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[99, 41], Operations: ['46+38=84', '84-43=41'] Exploring Operation: 99*41=4059, Resulting Numbers: [4059] 4059,71 unequal: No Solution Exploring Operation: 99+41=140, Resulting Numbers: [140] 140,71 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[38, 102], Operations: ['99-43=56', '46+56=102'] Exploring Operation: 38*102=3876, Resulting Numbers: [3876] 3876,71 unequal: No Solution Exploring Operation: 102-38=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 38+102=140, Resulting Numbers: [140] 140,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[56, 8], Operations: ['99-43=56', '46-38=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,71 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[46, 18], Operations: ['99-43=56', '56-38=18'] Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,71 unequal: No Solution Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[89, 137], Operations: ['43+46=89', '99+38=137'] Exploring Operation: 89*137=12193, Resulting Numbers: [12193] 12193,71 unequal: No Solution Exploring Operation: 89+137=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 137-89=48, Resulting Numbers: [48] 48,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[43, 15], Operations: ['46+38=84', '99-84=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,71 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[99, 127], Operations: ['43+46=89', '38+89=127'] Exploring Operation: 99+127=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 99*127=12573, Resulting Numbers: [12573] 12573,71 unequal: No Solution Exploring Operation: 127-99=28, Resulting Numbers: [28] 28,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[99, 127], Operations: ['46+38=84', '43+84=127'] Exploring Operation: 127-99=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 99*127=12573, Resulting Numbers: [12573] 12573,71 unequal: No Solution Exploring Operation: 99+127=226, Resulting Numbers: [226] 226,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[84, 142], Operations: ['46+38=84', '43+99=142'] Exploring Operation: 84*142=11928, Resulting Numbers: [11928] 11928,71 unequal: No Solution Exploring Operation: 84+142=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 142-84=58, Resulting Numbers: [58] 58,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[38, 10], Operations: ['43+46=89', '99-89=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 30, 15, 31, 62 ]
45
[ "30*62=1860", "1860/31=60", "60-15=45" ]
Current State: 45:[30, 15, 31, 62], Operations: [] Exploring Operation: 30*62=1860, Resulting Numbers: [15, 31, 1860] Generated Node #2: [15, 31, 1860] from Operation: 30*62=1860 Current State: 45:[15, 31, 1860], Operations: ['30*62=1860'] Exploring Operation: 1860/31=60, Resulting Numbers: [15, 60] Generated Node #3: [15, 60] from Operation: 1860/31=60 Current State: 45:[15, 60], Operations: ['30*62=1860', '1860/31=60'] Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[30, 15, 31, 62], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [30, 15, 2] Generated Node #0,0: 45:[30, 15, 2] Operation: 62/31=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[30, 15, 2], Operations: ['62/31=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 45:[15, 15] Operation: 30/2=15 Moving to Node #0,0,0 Current State: 45:[15, 15], Operations: ['62/31=2', '30/2=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,45 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
[ 20, 38, 17, 80 ]
25
[ "80/20=4", "38-17=21", "4+21=25" ]
Current State: 25:[20, 38, 17, 80], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [38, 17, 4] Generated Node #2: [38, 17, 4] from Operation: 80/20=4 Current State: 25:[38, 17, 4], Operations: ['80/20=4'] Exploring Operation: 38-17=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 38-17=21 Current State: 25:[4, 21], Operations: ['80/20=4', '38-17=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[20, 38, 17, 80], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [20, 17, 42] Generated Node #0,0: 25:[20, 17, 42] Operation: 80-38=42 Exploring Operation: 80-17=63, Resulting Numbers: [20, 38, 63] Generated Node #0,1: 25:[20, 38, 63] Operation: 80-17=63 Exploring Operation: 80/20=4, Resulting Numbers: [38, 17, 4] Generated Node #0,2: 25:[38, 17, 4] Operation: 80/20=4 Exploring Operation: 38-17=21, Resulting Numbers: [20, 80, 21] Generated Node #0,3: 25:[20, 80, 21] Operation: 38-17=21 Exploring Operation: 80-20=60, Resulting Numbers: [38, 17, 60] Generated Node #0,4: 25:[38, 17, 60] Operation: 80-20=60 Moving to Node #0,2 Current State: 25:[38, 17, 4], Operations: ['80/20=4'] Exploring Operation: 38-17=21, Resulting Numbers: [4, 21] Generated Node #0,2,0: 25:[4, 21] Operation: 38-17=21 Exploring Operation: 38-4=34, Resulting Numbers: [17, 34] Generated Node #0,2,1: 25:[17, 34] Operation: 38-4=34 Exploring Operation: 17+4=21, Resulting Numbers: [38, 21] Generated Node #0,2,2: 25:[38, 21] Operation: 17+4=21 Exploring Operation: 17-4=13, Resulting Numbers: [38, 13] Generated Node #0,2,3: 25:[38, 13] Operation: 17-4=13 Exploring Operation: 38+4=42, Resulting Numbers: [17, 42] Generated Node #0,2,4: 25:[17, 42] Operation: 38+4=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[4, 21], Operations: ['80/20=4', '38-17=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[20, 38, 17, 80], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [38, 17, 4] Generated Node #0,2: 25:[38, 17, 4] Operation: 80/20=4 Moving to Node #0,2 Current State: 25:[38, 17, 4], Operations: ['80/20=4'] Exploring Operation: 38-17=21, Resulting Numbers: [4, 21] Generated Node #0,2,0: 25:[4, 21] Operation: 38-17=21 Moving to Node #0,2,0 Current State: 25:[4, 21], Operations: ['80/20=4', '38-17=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 76, 62, 74, 45 ]
72
[ "76-45=31", "62/31=2", "74-2=72" ]
Current State: 72:[76, 62, 74, 45], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [62, 74, 31] Generated Node #2: [62, 74, 31] from Operation: 76-45=31 Current State: 72:[62, 74, 31], Operations: ['76-45=31'] Exploring Operation: 62/31=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 62/31=2 Current State: 72:[74, 2], Operations: ['76-45=31', '62/31=2'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[76, 62, 74, 45], Operations: [] Exploring Operation: 76-62=14, Resulting Numbers: [74, 45, 14] Generated Node #0,0: 72:[74, 45, 14] Operation: 76-62=14 Exploring Operation: 62-45=17, Resulting Numbers: [76, 74, 17] Generated Node #0,1: 72:[76, 74, 17] Operation: 62-45=17 Moving to Node #0,1 Current State: 72:[76, 74, 17], Operations: ['62-45=17'] Exploring Operation: 76-74=2, Resulting Numbers: [17, 2] Generated Node #0,1,0: 72:[17, 2] Operation: 76-74=2 Exploring Operation: 76-17=59, Resulting Numbers: [74, 59] Generated Node #0,1,1: 72:[74, 59] Operation: 76-17=59 Moving to Node #0,0 Current State: 72:[74, 45, 14], Operations: ['76-62=14'] Exploring Operation: 74-45=29, Resulting Numbers: [14, 29] Generated Node #0,0,0: 72:[14, 29] Operation: 74-45=29 Exploring Operation: 45-14=31, Resulting Numbers: [74, 31] Generated Node #0,0,1: 72:[74, 31] Operation: 45-14=31 Moving to Node #0,1,0 Current State: 72:[17, 2], Operations: ['62-45=17', '76-74=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[14, 29], Operations: ['76-62=14', '74-45=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[74, 31], Operations: ['76-62=14', '45-14=31'] Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,72 unequal: No Solution Exploring Operation: 74+31=105, Resulting Numbers: [105] 105,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[74, 59], Operations: ['62-45=17', '76-17=59'] Exploring Operation: 74+59=133, Resulting Numbers: [133] 133,72 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 6, 40, 38, 70 ]
43
[ "70-40=30", "30/6=5", "38+5=43" ]
Current State: 43:[6, 40, 38, 70], Operations: [] Exploring Operation: 70-40=30, Resulting Numbers: [6, 38, 30] Generated Node #2: [6, 38, 30] from Operation: 70-40=30 Current State: 43:[6, 38, 30], Operations: ['70-40=30'] Exploring Operation: 30/6=5, Resulting Numbers: [38, 5] Generated Node #3: [38, 5] from Operation: 30/6=5 Current State: 43:[38, 5], Operations: ['70-40=30', '30/6=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[6, 40, 38, 70], Operations: [] Exploring Operation: 6+40=46, Resulting Numbers: [38, 70, 46] Generated Node #0,0: 43:[38, 70, 46] Operation: 6+40=46 Exploring Operation: 70-6=64, Resulting Numbers: [40, 38, 64] Generated Node #0,1: 43:[40, 38, 64] Operation: 70-6=64 Exploring Operation: 40-6=34, Resulting Numbers: [38, 70, 34] Generated Node #0,2: 43:[38, 70, 34] Operation: 40-6=34 Exploring Operation: 6+38=44, Resulting Numbers: [40, 70, 44] Generated Node #0,3: 43:[40, 70, 44] Operation: 6+38=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[40, 38, 64], Operations: ['70-6=64'] Exploring Operation: 64-40=24, Resulting Numbers: [38, 24] Generated Node #0,1,0: 43:[38, 24] Operation: 64-40=24 Exploring Operation: 40+38=78, Resulting Numbers: [64, 78] Generated Node #0,1,1: 43:[64, 78] Operation: 40+38=78 Exploring Operation: 64-38=26, Resulting Numbers: [40, 26] Generated Node #0,1,2: 43:[40, 26] Operation: 64-38=26 Exploring Operation: 40-38=2, Resulting Numbers: [64, 2] Generated Node #0,1,3: 43:[64, 2] Operation: 40-38=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[40, 26], Operations: ['70-6=64', '64-38=26'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[38, 24], Operations: ['70-6=64', '64-40=24'] Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,43 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[64, 78], Operations: ['70-6=64', '40+38=78'] Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,43 unequal: No Solution Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[64, 2], Operations: ['70-6=64', '40-38=2'] Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,43 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[40, 70, 44], Operations: ['6+38=44'] Exploring Operation: 70-40=30, Resulting Numbers: [44, 30] Generated Node #0,3,0: 43:[44, 30] Operation: 70-40=30 Exploring Operation: 44-40=4, Resulting Numbers: [70, 4] Generated Node #0,3,1: 43:[70, 4] Operation: 44-40=4 Exploring Operation: 40+70=110, Resulting Numbers: [44, 110] Generated Node #0,3,2: 43:[44, 110] Operation: 40+70=110 Exploring Operation: 70-44=26, Resulting Numbers: [40, 26] Generated Node #0,3,3: 43:[40, 26] Operation: 70-44=26 Moving to Node #0,3,0 Current State: 43:[44, 30], Operations: ['6+38=44', '70-40=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,43 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[40, 26], Operations: ['6+38=44', '70-44=26'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,43 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[70, 4], Operations: ['6+38=44', '44-40=4'] Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,43 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[44, 110], Operations: ['6+38=44', '40+70=110'] Exploring Operation: 44*110=4840, Resulting Numbers: [4840] 4840,43 unequal: No Solution Exploring Operation: 110-44=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 44+110=154, Resulting Numbers: [154] 154,43 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 Current State: 43:[38, 70, 46], Operations: ['6+40=46'] Exploring Operation: 38+70=108, Resulting Numbers: [46, 108] Generated Node #0,0,0: 43:[46, 108] Operation: 38+70=108 Exploring Operation: 70-38=32, Resulting Numbers: [46, 32] Generated Node #0,0,1: 43:[46, 32] Operation: 70-38=32 Exploring Operation: 46-38=8, Resulting Numbers: [70, 8] Generated Node #0,0,2: 43:[70, 8] Operation: 46-38=8 Exploring Operation: 70-46=24, Resulting Numbers: [38, 24] Generated Node #0,0,3: 43:[38, 24] Operation: 70-46=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[46, 32], Operations: ['6+40=46', '70-38=32'] Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,43 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[38, 24], Operations: ['6+40=46', '70-46=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[70, 8], Operations: ['6+40=46', '46-38=8'] Exploring Operation: 70*8=560, Resulting Numbers: [560] 560,43 unequal: No Solution Exploring Operation: 70+8=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[46, 108], Operations: ['6+40=46', '38+70=108'] Exploring Operation: 46+108=154, Resulting Numbers: [154] 154,43 unequal: No Solution Exploring Operation: 108-46=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 46*108=4968, Resulting Numbers: [4968] 4968,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[38, 70, 34], Operations: ['40-6=34'] Exploring Operation: 70-34=36, Resulting Numbers: [38, 36] Generated Node #0,2,0: 43:[38, 36] Operation: 70-34=36 Exploring Operation: 70-38=32, Resulting Numbers: [34, 32] Generated Node #0,2,1: 43:[34, 32] Operation: 70-38=32 Exploring Operation: 38-34=4, Resulting Numbers: [70, 4] Generated Node #0,2,2: 43:[70, 4] Operation: 38-34=4 Exploring Operation: 38+34=72, Resulting Numbers: [70, 72] Generated Node #0,2,3: 43:[70, 72] Operation: 38+34=72 Moving to Node #0,2,0 Current State: 43:[38, 36], Operations: ['40-6=34', '70-34=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[34, 32], Operations: ['40-6=34', '70-38=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,43 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[70, 72], Operations: ['40-6=34', '38+34=72'] Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,43 unequal: No Solution Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,43 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[70, 4], Operations: ['40-6=34', '38-34=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 50, 90, 26, 25 ]
89
[ "50+90=140", "26+25=51", "140-51=89" ]
Current State: 89:[50, 90, 26, 25], Operations: [] Exploring Operation: 50+90=140, Resulting Numbers: [26, 25, 140] Generated Node #2: [26, 25, 140] from Operation: 50+90=140 Current State: 89:[26, 25, 140], Operations: ['50+90=140'] Exploring Operation: 26+25=51, Resulting Numbers: [140, 51] Generated Node #3: [140, 51] from Operation: 26+25=51 Current State: 89:[140, 51], Operations: ['50+90=140', '26+25=51'] Exploring Operation: 140-51=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[50, 90, 26, 25], Operations: [] Exploring Operation: 26+25=51, Resulting Numbers: [50, 90, 51] Generated Node #0,0: 89:[50, 90, 51] Operation: 26+25=51 Exploring Operation: 50+25=75, Resulting Numbers: [90, 26, 75] Generated Node #0,1: 89:[90, 26, 75] Operation: 50+25=75 Exploring Operation: 50+26=76, Resulting Numbers: [90, 25, 76] Generated Node #0,2: 89:[90, 25, 76] Operation: 50+26=76 Moving to Node #0,0 Current State: 89:[50, 90, 51], Operations: ['26+25=51'] Exploring Operation: 90-50=40, Resulting Numbers: [51, 40] Generated Node #0,0,0: 89:[51, 40] Operation: 90-50=40 Exploring Operation: 50+90=140, Resulting Numbers: [51, 140] Generated Node #0,0,1: 89:[51, 140] Operation: 50+90=140 Exploring Operation: 50+51=101, Resulting Numbers: [90, 101] Generated Node #0,0,2: 89:[90, 101] Operation: 50+51=101 Moving to Node #0,1 Current State: 89:[90, 26, 75], Operations: ['50+25=75'] Exploring Operation: 90+26=116, Resulting Numbers: [75, 116] Generated Node #0,1,0: 89:[75, 116] Operation: 90+26=116 Exploring Operation: 26+75=101, Resulting Numbers: [90, 101] Generated Node #0,1,1: 89:[90, 101] Operation: 26+75=101 Exploring Operation: 90-26=64, Resulting Numbers: [75, 64] Generated Node #0,1,2: 89:[75, 64] Operation: 90-26=64 Moving to Node #0,2 Current State: 89:[90, 25, 76], Operations: ['50+26=76'] Exploring Operation: 25+76=101, Resulting Numbers: [90, 101] Generated Node #0,2,0: 89:[90, 101] Operation: 25+76=101 Exploring Operation: 90+25=115, Resulting Numbers: [76, 115] Generated Node #0,2,1: 89:[76, 115] Operation: 90+25=115 Exploring Operation: 90-25=65, Resulting Numbers: [76, 65] Generated Node #0,2,2: 89:[76, 65] Operation: 90-25=65 Moving to Node #0,0,2 Current State: 89:[90, 101], Operations: ['26+25=51', '50+51=101'] Exploring Operation: 101-90=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 90*101=9090, Resulting Numbers: [9090] 9090,89 unequal: No Solution Exploring Operation: 90+101=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[90, 101], Operations: ['50+26=76', '25+76=101'] Exploring Operation: 101-90=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 90*101=9090, Resulting Numbers: [9090] 9090,89 unequal: No Solution Exploring Operation: 90+101=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[90, 101], Operations: ['50+25=75', '26+75=101'] Exploring Operation: 101-90=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 90*101=9090, Resulting Numbers: [9090] 9090,89 unequal: No Solution Exploring Operation: 90+101=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[76, 65], Operations: ['50+26=76', '90-25=65'] Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,89 unequal: No Solution Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[76, 115], Operations: ['50+26=76', '90+25=115'] Exploring Operation: 76+115=191, Resulting Numbers: [191] 191,89 unequal: No Solution Exploring Operation: 115-76=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 76*115=8740, Resulting Numbers: [8740] 8740,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[75, 64], Operations: ['50+25=75', '90-26=64'] Exploring Operation: 75+64=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 75*64=4800, Resulting Numbers: [4800] 4800,89 unequal: No Solution Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[75, 116], Operations: ['50+25=75', '90+26=116'] Exploring Operation: 116-75=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 75*116=8700, Resulting Numbers: [8700] 8700,89 unequal: No Solution Exploring Operation: 75+116=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[51, 40], Operations: ['26+25=51', '90-50=40'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,89 unequal: No Solution Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[51, 140], Operations: ['26+25=51', '50+90=140'] Exploring Operation: 51*140=7140, Resulting Numbers: [7140] 7140,89 unequal: No Solution Exploring Operation: 140-51=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[50, 90, 26, 25], Operations: [] Exploring Operation: 26+25=51, Resulting Numbers: [50, 90, 51] Generated Node #0,0: 89:[50, 90, 51] Operation: 26+25=51 Moving to Node #0,0 Current State: 89:[50, 90, 51], Operations: ['26+25=51'] Exploring Operation: 50+90=140, Resulting Numbers: [51, 140] Generated Node #0,0,1: 89:[51, 140] Operation: 50+90=140 Moving to Node #0,0,1 Current State: 89:[51, 140], Operations: ['26+25=51', '50+90=140'] Exploring Operation: 140-51=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.963542
hs_3
sum_heuristic
[ 59, 2, 59, 78 ]
40
[ "59/59=1", "78/2=39", "1+39=40" ]
Current State: 40:[59, 2, 59, 78], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [2, 78, 1] Generated Node #2: [2, 78, 1] from Operation: 59/59=1 Current State: 40:[2, 78, 1], Operations: ['59/59=1'] Exploring Operation: 78/2=39, Resulting Numbers: [1, 39] Generated Node #3: [1, 39] from Operation: 78/2=39 Current State: 40:[1, 39], Operations: ['59/59=1', '78/2=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[59, 2, 59, 78], Operations: [] Exploring Operation: 78-59=19, Resulting Numbers: [59, 2, 19] Generated Node #0,0: 40:[59, 2, 19] Operation: 78-59=19 Exploring Operation: 78-59=19, Resulting Numbers: [2, 59, 19] Generated Node #0,1: 40:[2, 59, 19] Operation: 78-59=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[59, 2, 19], Operations: ['78-59=19'] Exploring Operation: 59-2=57, Resulting Numbers: [19, 57] Generated Node #0,0,0: 40:[19, 57] Operation: 59-2=57 Exploring Operation: 59-19=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 40:[2, 40] Operation: 59-19=40 Moving to Node #0,0,1 Current State: 40:[2, 40], Operations: ['78-59=19', '59-19=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[19, 57], Operations: ['78-59=19', '59-2=57'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,40 unequal: No Solution No 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: 40:[2, 59, 19], Operations: ['78-59=19'] Exploring Operation: 59-2=57, Resulting Numbers: [19, 57] Generated Node #0,1,0: 40:[19, 57] Operation: 59-2=57 Exploring Operation: 59-19=40, Resulting Numbers: [2, 40] Generated Node #0,1,1: 40:[2, 40] Operation: 59-19=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[2, 40], Operations: ['78-59=19', '59-19=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,40 unequal: No Solution No 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: 40:[19, 57], Operations: ['78-59=19', '59-2=57'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,40 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
[ 14, 63, 24, 69 ]
56
[ "14*24=336", "69-63=6", "336/6=56" ]
Current State: 56:[14, 63, 24, 69], Operations: [] Exploring Operation: 14*24=336, Resulting Numbers: [63, 69, 336] Generated Node #2: [63, 69, 336] from Operation: 14*24=336 Current State: 56:[63, 69, 336], Operations: ['14*24=336'] Exploring Operation: 69-63=6, Resulting Numbers: [336, 6] Generated Node #3: [336, 6] from Operation: 69-63=6 Current State: 56:[336, 6], Operations: ['14*24=336', '69-63=6'] Exploring Operation: 336/6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[14, 63, 24, 69], Operations: [] Exploring Operation: 24-14=10, Resulting Numbers: [63, 69, 10] Generated Node #0,0: 56:[63, 69, 10] Operation: 24-14=10 Exploring Operation: 69-63=6, Resulting Numbers: [14, 24, 6] Generated Node #0,1: 56:[14, 24, 6] Operation: 69-63=6 Exploring Operation: 69-14=55, Resulting Numbers: [63, 24, 55] Generated Node #0,2: 56:[63, 24, 55] Operation: 69-14=55 Exploring Operation: 69-24=45, Resulting Numbers: [14, 63, 45] Generated Node #0,3: 56:[14, 63, 45] Operation: 69-24=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[14, 24, 6], Operations: ['69-63=6'] Exploring Operation: 14-6=8, Resulting Numbers: [24, 8] Generated Node #0,1,0: 56:[24, 8] Operation: 14-6=8 Exploring Operation: 24+6=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 56:[14, 30] Operation: 24+6=30 Exploring Operation: 24-14=10, Resulting Numbers: [6, 10] Generated Node #0,1,2: 56:[6, 10] Operation: 24-14=10 Exploring Operation: 24/6=4, Resulting Numbers: [14, 4] Generated Node #0,1,3: 56:[14, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 56:[14, 4], Operations: ['69-63=6', '24/6=4'] Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[14, 63, 24, 69], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [14, 24, 6] Generated Node #0,1: 56:[14, 24, 6] Operation: 69-63=6 Moving to Node #0,1 Current State: 56:[14, 24, 6], Operations: ['69-63=6'] Exploring Operation: 24/6=4, Resulting Numbers: [14, 4] Generated Node #0,1,3: 56:[14, 4] Operation: 24/6=4 Moving to Node #0,1,3 Current State: 56:[14, 4], Operations: ['69-63=6', '24/6=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 74, 82, 78, 83 ]
81
[ "74+82=156", "156/78=2", "83-2=81" ]
Current State: 81:[74, 82, 78, 83], Operations: [] Exploring Operation: 74+82=156, Resulting Numbers: [78, 83, 156] Generated Node #2: [78, 83, 156] from Operation: 74+82=156 Current State: 81:[78, 83, 156], Operations: ['74+82=156'] Exploring Operation: 156/78=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 156/78=2 Current State: 81:[83, 2], Operations: ['74+82=156', '156/78=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[74, 82, 78, 83], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [74, 83, 4] Generated Node #0,0: 81:[74, 83, 4] Operation: 82-78=4 Exploring Operation: 83-74=9, Resulting Numbers: [82, 78, 9] Generated Node #0,1: 81:[82, 78, 9] Operation: 83-74=9 Exploring Operation: 78-74=4, Resulting Numbers: [82, 83, 4] Generated Node #0,2: 81:[82, 83, 4] Operation: 78-74=4 Exploring Operation: 82-74=8, Resulting Numbers: [78, 83, 8] Generated Node #0,3: 81:[78, 83, 8] Operation: 82-74=8 Moving to Node #0,1 Current State: 81:[82, 78, 9], Operations: ['83-74=9'] Exploring Operation: 82-78=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 81:[9, 4] Operation: 82-78=4 Exploring Operation: 78+9=87, Resulting Numbers: [82, 87] Generated Node #0,1,1: 81:[82, 87] Operation: 78+9=87 Exploring Operation: 82-9=73, Resulting Numbers: [78, 73] Generated Node #0,1,2: 81:[78, 73] Operation: 82-9=73 Exploring Operation: 82+9=91, Resulting Numbers: [78, 91] Generated Node #0,1,3: 81:[78, 91] Operation: 82+9=91 Moving to Node #0,2 Current State: 81:[82, 83, 4], Operations: ['78-74=4'] Exploring Operation: 83-4=79, Resulting Numbers: [82, 79] Generated Node #0,2,0: 81:[82, 79] Operation: 83-4=79 Exploring Operation: 82+4=86, Resulting Numbers: [83, 86] Generated Node #0,2,1: 81:[83, 86] Operation: 82+4=86 Exploring Operation: 82-4=78, Resulting Numbers: [83, 78] Generated Node #0,2,2: 81:[83, 78] Operation: 82-4=78 Exploring Operation: 83-82=1, Resulting Numbers: [4, 1] Generated Node #0,2,3: 81:[4, 1] Operation: 83-82=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[82, 79], Operations: ['78-74=4', '83-4=79'] Exploring Operation: 82*79=6478, Resulting Numbers: [6478] 6478,81 unequal: No Solution Exploring Operation: 82+79=161, Resulting Numbers: [161] 161,81 unequal: No Solution Exploring Operation: 82-79=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[4, 1], Operations: ['78-74=4', '83-82=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[83, 78], Operations: ['78-74=4', '82-4=78'] Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,81 unequal: No Solution Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,81 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[83, 86], Operations: ['78-74=4', '82+4=86'] Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,81 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: 81:[78, 83, 8], Operations: ['82-74=8'] Exploring Operation: 83-8=75, Resulting Numbers: [78, 75] Generated Node #0,3,0: 81:[78, 75] Operation: 83-8=75 Exploring Operation: 78-8=70, Resulting Numbers: [83, 70] Generated Node #0,3,1: 81:[83, 70] Operation: 78-8=70 Exploring Operation: 83-78=5, Resulting Numbers: [8, 5] Generated Node #0,3,2: 81:[8, 5] Operation: 83-78=5 Exploring Operation: 78+8=86, Resulting Numbers: [83, 86] Generated Node #0,3,3: 81:[83, 86] Operation: 78+8=86 Moving to Node #0,0 Current State: 81:[74, 83, 4], Operations: ['82-78=4'] Exploring Operation: 74-4=70, Resulting Numbers: [83, 70] Generated Node #0,0,0: 81:[83, 70] Operation: 74-4=70 Exploring Operation: 74+4=78, Resulting Numbers: [83, 78] Generated Node #0,0,1: 81:[83, 78] Operation: 74+4=78 Exploring Operation: 83-74=9, Resulting Numbers: [4, 9] Generated Node #0,0,2: 81:[4, 9] Operation: 83-74=9 Exploring Operation: 83-4=79, Resulting Numbers: [74, 79] Generated Node #0,0,3: 81:[74, 79] Operation: 83-4=79 Moving to Node #0,1,0 Current State: 81:[9, 4], Operations: ['83-74=9', '82-78=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[4, 9], Operations: ['82-78=4', '83-74=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[8, 5], Operations: ['82-74=8', '83-78=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,81 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[83, 78], Operations: ['82-78=4', '74+4=78'] Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,81 unequal: No Solution Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,81 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[83, 86], Operations: ['82-74=8', '78+8=86'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[82, 87], Operations: ['83-74=9', '78+9=87'] Exploring Operation: 82*87=7134, Resulting Numbers: [7134] 7134,81 unequal: No Solution Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 82+87=169, Resulting Numbers: [169] 169,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[78, 75], Operations: ['82-74=8', '83-8=75'] Exploring Operation: 78+75=153, Resulting Numbers: [153] 153,81 unequal: No Solution Exploring Operation: 78*75=5850, Resulting Numbers: [5850] 5850,81 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[74, 79], Operations: ['82-78=4', '83-4=79'] Exploring Operation: 74*79=5846, Resulting Numbers: [5846] 5846,81 unequal: No Solution Exploring Operation: 79-74=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 74+79=153, Resulting Numbers: [153] 153,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[78, 73], Operations: ['83-74=9', '82-9=73'] Exploring Operation: 78*73=5694, Resulting Numbers: [5694] 5694,81 unequal: No Solution Exploring Operation: 78+73=151, Resulting Numbers: [151] 151,81 unequal: No Solution Exploring Operation: 78-73=5, Resulting Numbers: [5] 5,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[83, 70], Operations: ['82-78=4', '74-4=70'] Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,81 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[83, 70], Operations: ['82-74=8', '78-8=70'] Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,81 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[78, 91], Operations: ['83-74=9', '82+9=91'] Exploring Operation: 78*91=7098, Resulting Numbers: [7098] 7098,81 unequal: No Solution Exploring Operation: 78+91=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 91-78=13, Resulting Numbers: [13] 13,81 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 67, 82, 95, 4 ]
35
[ "82-67=15", "4*15=60", "95-60=35" ]
Current State: 35:[67, 82, 95, 4], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [95, 4, 15] Generated Node #2: [95, 4, 15] from Operation: 82-67=15 Current State: 35:[95, 4, 15], Operations: ['82-67=15'] Exploring Operation: 4*15=60, Resulting Numbers: [95, 60] Generated Node #3: [95, 60] from Operation: 4*15=60 Current State: 35:[95, 60], Operations: ['82-67=15', '4*15=60'] Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[67, 82, 95, 4], Operations: [] Exploring Operation: 95-82=13, Resulting Numbers: [67, 4, 13] Generated Node #0,0: 35:[67, 4, 13] Operation: 95-82=13 Exploring Operation: 67-4=63, Resulting Numbers: [82, 95, 63] Generated Node #0,1: 35:[82, 95, 63] Operation: 67-4=63 Exploring Operation: 82-4=78, Resulting Numbers: [67, 95, 78] Generated Node #0,2: 35:[67, 95, 78] Operation: 82-4=78 Exploring Operation: 82-67=15, Resulting Numbers: [95, 4, 15] Generated Node #0,3: 35:[95, 4, 15] Operation: 82-67=15 Exploring Operation: 95-67=28, Resulting Numbers: [82, 4, 28] Generated Node #0,4: 35:[82, 4, 28] Operation: 95-67=28 Moving to Node #0,0 Current State: 35:[67, 4, 13], Operations: ['95-82=13'] Exploring Operation: 4+13=17, Resulting Numbers: [67, 17] Generated Node #0,0,0: 35:[67, 17] Operation: 4+13=17 Exploring Operation: 67-4=63, Resulting Numbers: [13, 63] Generated Node #0,0,1: 35:[13, 63] Operation: 67-4=63 Exploring Operation: 13-4=9, Resulting Numbers: [67, 9] Generated Node #0,0,2: 35:[67, 9] Operation: 13-4=9 Exploring Operation: 67+4=71, Resulting Numbers: [13, 71] Generated Node #0,0,3: 35:[13, 71] Operation: 67+4=71 Exploring Operation: 67-13=54, Resulting Numbers: [4, 54] Generated Node #0,0,4: 35:[4, 54] Operation: 67-13=54 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 35:[4, 54], Operations: ['95-82=13', '67-13=54'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,35 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,35 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 #0,0,1 Current State: 35:[13, 63], Operations: ['95-82=13', '67-4=63'] Exploring Operation: 13*63=819, Resulting Numbers: [819] 819,35 unequal: No Solution Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 13+63=76, Resulting Numbers: [76] 76,35 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 #0,0,2 Current State: 35:[67, 9], Operations: ['95-82=13', '13-4=9'] Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,35 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 #0,0,0 Current State: 35:[67, 17], Operations: ['95-82=13', '4+13=17'] Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,35 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 #0,0,3 Current State: 35:[13, 71], Operations: ['95-82=13', '67+4=71'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,35 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: 35:[82, 4, 28], Operations: ['95-67=28'] Exploring Operation: 82-4=78, Resulting Numbers: [28, 78] Generated Node #0,4,0: 35:[28, 78] Operation: 82-4=78 Exploring Operation: 28/4=7, Resulting Numbers: [82, 7] Generated Node #0,4,1: 35:[82, 7] Operation: 28/4=7 Exploring Operation: 82+4=86, Resulting Numbers: [28, 86] Generated Node #0,4,2: 35:[28, 86] Operation: 82+4=86 Exploring Operation: 82-28=54, Resulting Numbers: [4, 54] Generated Node #0,4,3: 35:[4, 54] Operation: 82-28=54 Exploring Operation: 4+28=32, Resulting Numbers: [82, 32] Generated Node #0,4,4: 35:[82, 32] Operation: 4+28=32 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[4, 54], Operations: ['95-67=28', '82-28=54'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,35 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,35 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 #0,4,1 Current State: 35:[82, 7], Operations: ['95-67=28', '28/4=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,35 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,35 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 #0,4,0 Current State: 35:[28, 78], Operations: ['95-67=28', '82-4=78'] Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,35 unequal: No Solution Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,35 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 #0,4,4 Current State: 35:[82, 32], Operations: ['95-67=28', '4+28=32'] Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 82+32=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 82*32=2624, Resulting Numbers: [2624] 2624,35 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 #0,4,2 Current State: 35:[28, 86], Operations: ['95-67=28', '82+4=86'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,35 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: 35:[95, 4, 15], Operations: ['82-67=15'] Exploring Operation: 95-15=80, Resulting Numbers: [4, 80] Generated Node #0,3,0: 35:[4, 80] Operation: 95-15=80 Exploring Operation: 4+15=19, Resulting Numbers: [95, 19] Generated Node #0,3,1: 35:[95, 19] Operation: 4+15=19 Exploring Operation: 95-4=91, Resulting Numbers: [15, 91] Generated Node #0,3,2: 35:[15, 91] Operation: 95-4=91 Exploring Operation: 95+4=99, Resulting Numbers: [15, 99] Generated Node #0,3,3: 35:[15, 99] Operation: 95+4=99 Exploring Operation: 15-4=11, Resulting Numbers: [95, 11] Generated Node #0,3,4: 35:[95, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[4, 80], Operations: ['82-67=15', '95-15=80'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 4+80=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 4*80=320, Resulting Numbers: [320] 320,35 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 #0,3,2 Current State: 35:[15, 91], Operations: ['82-67=15', '95-4=91'] Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,35 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,35 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 #0,3,4 Current State: 35:[95, 11], Operations: ['82-67=15', '15-4=11'] Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,35 unequal: No Solution Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,35 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 #0,3,1 Current State: 35:[95, 19], Operations: ['82-67=15', '4+15=19'] Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 95+19=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 95*19=1805, Resulting Numbers: [1805] 1805,35 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 #0,3,3 Current State: 35:[15, 99], Operations: ['82-67=15', '95+4=99'] Exploring Operation: 15*99=1485, Resulting Numbers: [1485] 1485,35 unequal: No Solution Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 15+99=114, Resulting Numbers: [114] 114,35 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: 35:[82, 95, 63], Operations: ['67-4=63'] Exploring Operation: 82-63=19, Resulting Numbers: [95, 19] Generated Node #0,1,0: 35:[95, 19] Operation: 82-63=19 Exploring Operation: 82+95=177, Resulting Numbers: [63, 177] Generated Node #0,1,1: 35:[63, 177] Operation: 82+95=177 Exploring Operation: 95-63=32, Resulting Numbers: [82, 32] Generated Node #0,1,2: 35:[82, 32] Operation: 95-63=32 Exploring Operation: 95-82=13, Resulting Numbers: [63, 13] Generated Node #0,1,3: 35:[63, 13] Operation: 95-82=13 Exploring Operation: 82+63=145, Resulting Numbers: [95, 145] Generated Node #0,1,4: 35:[95, 145] Operation: 82+63=145 Moving to Node #0,2 Current State: 35:[67, 95, 78], Operations: ['82-4=78'] Exploring Operation: 67+95=162, Resulting Numbers: [78, 162] Generated Node #0,2,0: 35:[78, 162] Operation: 67+95=162 Exploring Operation: 78-67=11, Resulting Numbers: [95, 11] Generated Node #0,2,1: 35:[95, 11] Operation: 78-67=11 Exploring Operation: 67+78=145, Resulting Numbers: [95, 145] Generated Node #0,2,2: 35:[95, 145] Operation: 67+78=145 Exploring Operation: 95-78=17, Resulting Numbers: [67, 17] Generated Node #0,2,3: 35:[67, 17] Operation: 95-78=17 Exploring Operation: 95-67=28, Resulting Numbers: [78, 28] Generated Node #0,2,4: 35:[78, 28] Operation: 95-67=28 Moving to Node #0,1,3 Current State: 35:[63, 13], Operations: ['67-4=63', '95-82=13'] Exploring Operation: 63*13=819, Resulting Numbers: [819] 819,35 unequal: No Solution Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[67, 17], Operations: ['82-4=78', '95-78=17'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,35 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[78, 28], Operations: ['82-4=78', '95-67=28'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,35 unequal: No Solution Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[82, 32], Operations: ['67-4=63', '95-63=32'] Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 82*32=2624, Resulting Numbers: [2624] 2624,35 unequal: No Solution Exploring Operation: 82+32=114, Resulting Numbers: [114] 114,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[95, 11], Operations: ['82-4=78', '78-67=11'] Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,35 unequal: No Solution Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[95, 19], Operations: ['67-4=63', '82-63=19'] Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 95+19=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 95*19=1805, Resulting Numbers: [1805] 1805,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[78, 162], Operations: ['82-4=78', '67+95=162'] Exploring Operation: 78*162=12636, Resulting Numbers: [12636] 12636,35 unequal: No Solution Exploring Operation: 162-78=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 78+162=240, Resulting Numbers: [240] 240,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[95, 145], Operations: ['82-4=78', '67+78=145'] Exploring Operation: 95*145=13775, Resulting Numbers: [13775] 13775,35 unequal: No Solution Exploring Operation: 95+145=240, Resulting Numbers: [240] 240,35 unequal: No Solution Exploring Operation: 145-95=50, Resulting Numbers: [50] 50,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[95, 145], Operations: ['67-4=63', '82+63=145'] Exploring Operation: 145-95=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 95+145=240, Resulting Numbers: [240] 240,35 unequal: No Solution Exploring Operation: 95*145=13775, Resulting Numbers: [13775] 13775,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[63, 177], Operations: ['67-4=63', '82+95=177'] Exploring Operation: 63+177=240, Resulting Numbers: [240] 240,35 unequal: No Solution Exploring Operation: 177-63=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 63*177=11151, Resulting Numbers: [11151] 11151,35 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 93, 1, 3, 19 ]
70
[ "93-1=92", "3+19=22", "92-22=70" ]
Current State: 70:[93, 1, 3, 19], Operations: [] Exploring Operation: 93-1=92, Resulting Numbers: [3, 19, 92] Generated Node #2: [3, 19, 92] from Operation: 93-1=92 Current State: 70:[3, 19, 92], Operations: ['93-1=92'] Exploring Operation: 3+19=22, Resulting Numbers: [92, 22] Generated Node #3: [92, 22] from Operation: 3+19=22 Current State: 70:[92, 22], Operations: ['93-1=92', '3+19=22'] Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[93, 1, 3, 19], Operations: [] Exploring Operation: 93-19=74, Resulting Numbers: [1, 3, 74] Generated Node #0,0: 70:[1, 3, 74] Operation: 93-19=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[1, 3, 74], Operations: ['93-19=74'] Exploring Operation: 74-3=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 70:[1, 71] Operation: 74-3=71 Moving to Node #0,0,0 Current State: 70:[1, 71], Operations: ['93-19=74', '74-3=71'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[93, 1, 3, 19], Operations: [] Exploring Operation: 93-19=74, Resulting Numbers: [1, 3, 74] Generated Node #0,0: 70:[1, 3, 74] Operation: 93-19=74 Moving to Node #0,0 Current State: 70:[1, 3, 74], Operations: ['93-19=74'] Exploring Operation: 74-3=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 70:[1, 71] Operation: 74-3=71 Moving to Node #0,0,0 Current State: 70:[1, 71], Operations: ['93-19=74', '74-3=71'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 21, 72, 64, 55 ]
60
[ "72-21=51", "64-55=9", "51+9=60" ]
Current State: 60:[21, 72, 64, 55], Operations: [] Exploring Operation: 72-21=51, Resulting Numbers: [64, 55, 51] Generated Node #2: [64, 55, 51] from Operation: 72-21=51 Current State: 60:[64, 55, 51], Operations: ['72-21=51'] Exploring Operation: 64-55=9, Resulting Numbers: [51, 9] Generated Node #3: [51, 9] from Operation: 64-55=9 Current State: 60:[51, 9], Operations: ['72-21=51', '64-55=9'] Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[21, 72, 64, 55], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [21, 55, 8] Generated Node #0,0: 60:[21, 55, 8] Operation: 72-64=8 Exploring Operation: 64-55=9, Resulting Numbers: [21, 72, 9] Generated Node #0,1: 60:[21, 72, 9] Operation: 64-55=9 Exploring Operation: 72-55=17, Resulting Numbers: [21, 64, 17] Generated Node #0,2: 60:[21, 64, 17] Operation: 72-55=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[21, 64, 17], Operations: ['72-55=17'] Exploring Operation: 21-17=4, Resulting Numbers: [64, 4] Generated Node #0,2,0: 60:[64, 4] Operation: 21-17=4 Exploring Operation: 64-17=47, Resulting Numbers: [21, 47] Generated Node #0,2,1: 60:[21, 47] Operation: 64-17=47 Exploring Operation: 21+17=38, Resulting Numbers: [64, 38] Generated Node #0,2,2: 60:[64, 38] Operation: 21+17=38 Moving to Node #0,2,0 Current State: 60:[64, 4], Operations: ['72-55=17', '21-17=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[21, 72, 64, 55], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [21, 64, 17] Generated Node #0,2: 60:[21, 64, 17] Operation: 72-55=17 Moving to Node #0,2 Current State: 60:[21, 64, 17], Operations: ['72-55=17'] Exploring Operation: 21-17=4, Resulting Numbers: [64, 4] Generated Node #0,2,0: 60:[64, 4] Operation: 21-17=4 Moving to Node #0,2,0 Current State: 60:[64, 4], Operations: ['72-55=17', '21-17=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 44, 64, 8, 92 ]
56
[ "92-44=48", "64/8=8", "48+8=56" ]
Current State: 56:[44, 64, 8, 92], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [64, 8, 48] Generated Node #2: [64, 8, 48] from Operation: 92-44=48 Current State: 56:[64, 8, 48], Operations: ['92-44=48'] Exploring Operation: 64/8=8, Resulting Numbers: [48, 8] Generated Node #3: [48, 8] from Operation: 64/8=8 Current State: 56:[48, 8], Operations: ['92-44=48', '64/8=8'] Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[44, 64, 8, 92], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [44, 8, 28] Generated Node #0,0: 56:[44, 8, 28] Operation: 92-64=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[44, 8, 28], Operations: ['92-64=28'] Exploring Operation: 44-28=16, Resulting Numbers: [8, 16] Generated Node #0,0,0: 56:[8, 16] Operation: 44-28=16 Moving to Node #0,0,0 Current State: 56:[8, 16], Operations: ['92-64=28', '44-28=16'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,56 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
[ 26, 75, 10, 2 ]
29
[ "75-26=49", "10*2=20", "49-20=29" ]
Current State: 29:[26, 75, 10, 2], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [10, 2, 49] Generated Node #2: [10, 2, 49] from Operation: 75-26=49 Current State: 29:[10, 2, 49], Operations: ['75-26=49'] Exploring Operation: 10*2=20, Resulting Numbers: [49, 20] Generated Node #3: [49, 20] from Operation: 10*2=20 Current State: 29:[49, 20], Operations: ['75-26=49', '10*2=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[26, 75, 10, 2], Operations: [] Exploring Operation: 75-10=65, Resulting Numbers: [26, 2, 65] Generated Node #0,0: 29:[26, 2, 65] Operation: 75-10=65 Exploring Operation: 10*2=20, Resulting Numbers: [26, 75, 20] Generated Node #0,1: 29:[26, 75, 20] Operation: 10*2=20 Exploring Operation: 75-26=49, Resulting Numbers: [10, 2, 49] Generated Node #0,2: 29:[10, 2, 49] Operation: 75-26=49 Exploring Operation: 75-2=73, Resulting Numbers: [26, 10, 73] Generated Node #0,3: 29:[26, 10, 73] Operation: 75-2=73 Exploring Operation: 26+2=28, Resulting Numbers: [75, 10, 28] Generated Node #0,4: 29:[75, 10, 28] Operation: 26+2=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[26, 75, 20], Operations: ['10*2=20'] Exploring Operation: 75+20=95, Resulting Numbers: [26, 95] Generated Node #0,1,0: 29:[26, 95] Operation: 75+20=95 Exploring Operation: 26-20=6, Resulting Numbers: [75, 6] Generated Node #0,1,1: 29:[75, 6] Operation: 26-20=6 Exploring Operation: 26+20=46, Resulting Numbers: [75, 46] Generated Node #0,1,2: 29:[75, 46] Operation: 26+20=46 Exploring Operation: 75-26=49, Resulting Numbers: [20, 49] Generated Node #0,1,3: 29:[20, 49] Operation: 75-26=49 Exploring Operation: 75-20=55, Resulting Numbers: [26, 55] Generated Node #0,1,4: 29:[26, 55] Operation: 75-20=55 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[20, 49], Operations: ['10*2=20', '75-26=49'] Exploring Operation: 20*49=980, Resulting Numbers: [980] 980,29 unequal: No Solution Exploring Operation: 20+49=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[26, 75, 10, 2], Operations: [] Exploring Operation: 10*2=20, Resulting Numbers: [26, 75, 20] Generated Node #0,1: 29:[26, 75, 20] Operation: 10*2=20 Moving to Node #0,1 Current State: 29:[26, 75, 20], Operations: ['10*2=20'] Exploring Operation: 75-26=49, Resulting Numbers: [20, 49] Generated Node #0,1,3: 29:[20, 49] Operation: 75-26=49 Moving to Node #0,1,3 Current State: 29:[20, 49], Operations: ['10*2=20', '75-26=49'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic