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
[ 8, 79, 96, 95 ]
28
[ "96/8=12", "95-79=16", "12+16=28" ]
Current State: 28:[8, 79, 96, 95], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [79, 95, 12] Generated Node #2: [79, 95, 12] from Operation: 96/8=12 Current State: 28:[79, 95, 12], Operations: ['96/8=12'] Exploring Operation: 95-79=16, Resulting Numbers: [12, 16] Generated Node #3: [12, 16] from Operation: 95-79=16 Current State: 28:[12, 16], Operations: ['96/8=12', '95-79=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[8, 79, 96, 95], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [8, 79, 1] Generated Node #0,0: 28:[8, 79, 1] Operation: 96-95=1 Exploring Operation: 96/8=12, Resulting Numbers: [79, 95, 12] Generated Node #0,1: 28:[79, 95, 12] Operation: 96/8=12 Exploring Operation: 95-79=16, Resulting Numbers: [8, 96, 16] Generated Node #0,2: 28:[8, 96, 16] Operation: 95-79=16 Exploring Operation: 96-79=17, Resulting Numbers: [8, 95, 17] Generated Node #0,3: 28:[8, 95, 17] Operation: 96-79=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[8, 79, 1], Operations: ['96-95=1'] Exploring Operation: 8*1=8, Resulting Numbers: [79, 8] Generated Node #0,0,0: 28:[79, 8] Operation: 8*1=8 Exploring Operation: 79-1=78, Resulting Numbers: [8, 78] Generated Node #0,0,1: 28:[8, 78] Operation: 79-1=78 Exploring Operation: 79-8=71, Resulting Numbers: [1, 71] Generated Node #0,0,2: 28:[1, 71] Operation: 79-8=71 Exploring Operation: 8-1=7, Resulting Numbers: [79, 7] Generated Node #0,0,3: 28:[79, 7] Operation: 8-1=7 Moving to Node #0,0,2 Current State: 28:[1, 71], Operations: ['96-95=1', '79-8=71'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 1*71=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,28 unequal: No Solution Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[79, 7], Operations: ['96-95=1', '8-1=7'] Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[8, 78], Operations: ['96-95=1', '79-1=78'] Exploring Operation: 8*78=624, Resulting Numbers: [624] 624,28 unequal: No Solution Exploring Operation: 8+78=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[79, 8], Operations: ['96-95=1', '8*1=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,28 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[8, 96, 16], Operations: ['95-79=16'] Exploring Operation: 96-8=88, Resulting Numbers: [16, 88] Generated Node #0,2,0: 28:[16, 88] Operation: 96-8=88 Exploring Operation: 96/16=6, Resulting Numbers: [8, 6] Generated Node #0,2,1: 28:[8, 6] Operation: 96/16=6 Exploring Operation: 96/8=12, Resulting Numbers: [16, 12] Generated Node #0,2,2: 28:[16, 12] Operation: 96/8=12 Exploring Operation: 96-16=80, Resulting Numbers: [8, 80] Generated Node #0,2,3: 28:[8, 80] Operation: 96-16=80 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 28:[8, 6], Operations: ['95-79=16', '96/16=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 28:[16, 12], Operations: ['95-79=16', '96/8=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[8, 79, 96, 95], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [8, 96, 16] Generated Node #0,2: 28:[8, 96, 16] Operation: 95-79=16 Moving to Node #0,2 Current State: 28:[8, 96, 16], Operations: ['95-79=16'] Exploring Operation: 96/8=12, Resulting Numbers: [16, 12] Generated Node #0,2,2: 28:[16, 12] Operation: 96/8=12 Moving to Node #0,2,2 Current State: 28:[16, 12], Operations: ['95-79=16', '96/8=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 3, 28, 13, 85 ]
52
[ "85-13=72", "72/3=24", "28+24=52" ]
Current State: 52:[3, 28, 13, 85], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [3, 28, 72] Generated Node #2: [3, 28, 72] from Operation: 85-13=72 Current State: 52:[3, 28, 72], Operations: ['85-13=72'] Exploring Operation: 72/3=24, Resulting Numbers: [28, 24] Generated Node #3: [28, 24] from Operation: 72/3=24 Current State: 52:[28, 24], Operations: ['85-13=72', '72/3=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[3, 28, 13, 85], Operations: [] Exploring Operation: 85-28=57, Resulting Numbers: [3, 13, 57] Generated Node #0,0: 52:[3, 13, 57] Operation: 85-28=57 Exploring Operation: 28-13=15, Resulting Numbers: [3, 85, 15] Generated Node #0,1: 52:[3, 85, 15] Operation: 28-13=15 Exploring Operation: 28-3=25, Resulting Numbers: [13, 85, 25] Generated Node #0,2: 52:[13, 85, 25] Operation: 28-3=25 Exploring Operation: 85-3=82, Resulting Numbers: [28, 13, 82] Generated Node #0,3: 52:[28, 13, 82] Operation: 85-3=82 Exploring Operation: 85-13=72, Resulting Numbers: [3, 28, 72] Generated Node #0,4: 52:[3, 28, 72] Operation: 85-13=72 Moving to Node #0,0 Current State: 52:[3, 13, 57], Operations: ['85-28=57'] Exploring Operation: 3+13=16, Resulting Numbers: [57, 16] Generated Node #0,0,0: 52:[57, 16] Operation: 3+13=16 Exploring Operation: 13-3=10, Resulting Numbers: [57, 10] Generated Node #0,0,1: 52:[57, 10] Operation: 13-3=10 Exploring Operation: 57-3=54, Resulting Numbers: [13, 54] Generated Node #0,0,2: 52:[13, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [13, 19] Generated Node #0,0,3: 52:[13, 19] Operation: 57/3=19 Exploring Operation: 3+57=60, Resulting Numbers: [13, 60] Generated Node #0,0,4: 52:[13, 60] Operation: 3+57=60 Moving to Node #0,4 Current State: 52:[3, 28, 72], Operations: ['85-13=72'] Exploring Operation: 72-3=69, Resulting Numbers: [28, 69] Generated Node #0,4,0: 52:[28, 69] Operation: 72-3=69 Exploring Operation: 72/3=24, Resulting Numbers: [28, 24] Generated Node #0,4,1: 52:[28, 24] Operation: 72/3=24 Exploring Operation: 72-28=44, Resulting Numbers: [3, 44] Generated Node #0,4,2: 52:[3, 44] Operation: 72-28=44 Exploring Operation: 28-3=25, Resulting Numbers: [72, 25] Generated Node #0,4,3: 52:[72, 25] Operation: 28-3=25 Exploring Operation: 3+28=31, Resulting Numbers: [72, 31] Generated Node #0,4,4: 52:[72, 31] Operation: 3+28=31 Moving to Node #0,3 Current State: 52:[28, 13, 82], Operations: ['85-3=82'] Exploring Operation: 82-28=54, Resulting Numbers: [13, 54] Generated Node #0,3,0: 52:[13, 54] Operation: 82-28=54 Exploring Operation: 13+82=95, Resulting Numbers: [28, 95] Generated Node #0,3,1: 52:[28, 95] Operation: 13+82=95 Exploring Operation: 28+13=41, Resulting Numbers: [82, 41] Generated Node #0,3,2: 52:[82, 41] Operation: 28+13=41 Exploring Operation: 82-13=69, Resulting Numbers: [28, 69] Generated Node #0,3,3: 52:[28, 69] Operation: 82-13=69 Exploring Operation: 28-13=15, Resulting Numbers: [82, 15] Generated Node #0,3,4: 52:[82, 15] Operation: 28-13=15 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[13, 54], Operations: ['85-3=82', '82-28=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[28, 69], Operations: ['85-3=82', '82-13=69'] Exploring Operation: 28*69=1932, Resulting Numbers: [1932] 1932,52 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 28+69=97, Resulting Numbers: [97] 97,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 52:[82, 15], Operations: ['85-3=82', '28-13=15'] Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,52 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[82, 41], Operations: ['85-3=82', '28+13=41'] Exploring Operation: 82*41=3362, Resulting Numbers: [3362] 3362,52 unequal: No Solution Exploring Operation: 82+41=123, Resulting Numbers: [123] 123,52 unequal: No Solution Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[28, 95], Operations: ['85-3=82', '13+82=95'] Exploring Operation: 28+95=123, Resulting Numbers: [123] 123,52 unequal: No Solution Exploring Operation: 28*95=2660, Resulting Numbers: [2660] 2660,52 unequal: No Solution Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,52 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: 52:[13, 85, 25], Operations: ['28-3=25'] Exploring Operation: 25-13=12, Resulting Numbers: [85, 12] Generated Node #0,2,0: 52:[85, 12] Operation: 25-13=12 Exploring Operation: 85-13=72, Resulting Numbers: [25, 72] Generated Node #0,2,1: 52:[25, 72] Operation: 85-13=72 Exploring Operation: 85-25=60, Resulting Numbers: [13, 60] Generated Node #0,2,2: 52:[13, 60] Operation: 85-25=60 Exploring Operation: 13+25=38, Resulting Numbers: [85, 38] Generated Node #0,2,3: 52:[85, 38] Operation: 13+25=38 Exploring Operation: 13+85=98, Resulting Numbers: [25, 98] Generated Node #0,2,4: 52:[25, 98] Operation: 13+85=98 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[13, 60], Operations: ['28-3=25', '85-25=60'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 13*60=780, Resulting Numbers: [780] 780,52 unequal: No Solution Exploring Operation: 13+60=73, Resulting Numbers: [73] 73,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[25, 72], Operations: ['28-3=25', '85-13=72'] Exploring Operation: 25*72=1800, Resulting Numbers: [1800] 1800,52 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 25+72=97, Resulting Numbers: [97] 97,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[85, 12], Operations: ['28-3=25', '25-13=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 85+12=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 85*12=1020, Resulting Numbers: [1020] 1020,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[85, 38], Operations: ['28-3=25', '13+25=38'] Exploring Operation: 85*38=3230, Resulting Numbers: [3230] 3230,52 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 85+38=123, Resulting Numbers: [123] 123,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[25, 98], Operations: ['28-3=25', '13+85=98'] Exploring Operation: 25+98=123, Resulting Numbers: [123] 123,52 unequal: No Solution Exploring Operation: 25*98=2450, Resulting Numbers: [2450] 2450,52 unequal: No Solution Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,52 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: 52:[3, 85, 15], Operations: ['28-13=15'] Exploring Operation: 85-15=70, Resulting Numbers: [3, 70] Generated Node #0,1,0: 52:[3, 70] Operation: 85-15=70 Exploring Operation: 85-3=82, Resulting Numbers: [15, 82] Generated Node #0,1,1: 52:[15, 82] Operation: 85-3=82 Exploring Operation: 15-3=12, Resulting Numbers: [85, 12] Generated Node #0,1,2: 52:[85, 12] Operation: 15-3=12 Exploring Operation: 3+85=88, Resulting Numbers: [15, 88] Generated Node #0,1,3: 52:[15, 88] Operation: 3+85=88 Exploring Operation: 15/3=5, Resulting Numbers: [85, 5] Generated Node #0,1,4: 52:[85, 5] Operation: 15/3=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[3, 70], Operations: ['28-13=15', '85-15=70'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,52 unequal: No Solution Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[15, 82], Operations: ['28-13=15', '85-3=82'] Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 15*82=1230, Resulting Numbers: [1230] 1230,52 unequal: No Solution Exploring Operation: 15+82=97, Resulting Numbers: [97] 97,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[85, 12], Operations: ['28-13=15', '15-3=12'] Exploring Operation: 85+12=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 85*12=1020, Resulting Numbers: [1020] 1020,52 unequal: No Solution Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 52:[85, 5], Operations: ['28-13=15', '15/3=5'] Exploring Operation: 85+5=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 85*5=425, Resulting Numbers: [425] 425,52 unequal: No Solution Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,52 unequal: No Solution Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[15, 88], Operations: ['28-13=15', '3+85=88'] Exploring Operation: 15*88=1320, Resulting Numbers: [1320] 1320,52 unequal: No Solution Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 15+88=103, Resulting Numbers: [103] 103,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 52:[13, 54], Operations: ['85-28=57', '57-3=54'] Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,52 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,52 unequal: No Solution Moving to Node #0,4,1 Current State: 52:[28, 24], Operations: ['85-13=72', '72/3=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,52 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[3, 28, 13, 85], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [3, 28, 72] Generated Node #0,4: 52:[3, 28, 72] Operation: 85-13=72 Moving to Node #0,4 Current State: 52:[3, 28, 72], Operations: ['85-13=72'] Exploring Operation: 72/3=24, Resulting Numbers: [28, 24] Generated Node #0,4,1: 52:[28, 24] Operation: 72/3=24 Moving to Node #0,4,1 Current State: 52:[28, 24], Operations: ['85-13=72', '72/3=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.924479
hs_5
sum_heuristic
[ 82, 96, 56, 76 ]
19
[ "96-82=14", "56/14=4", "76/4=19" ]
Current State: 19:[82, 96, 56, 76], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [56, 76, 14] Generated Node #2: [56, 76, 14] from Operation: 96-82=14 Current State: 19:[56, 76, 14], Operations: ['96-82=14'] Exploring Operation: 56/14=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 56/14=4 Current State: 19:[76, 4], Operations: ['96-82=14', '56/14=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[82, 96, 56, 76], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [56, 76, 14] Generated Node #0,0: 19:[56, 76, 14] Operation: 96-82=14 Exploring Operation: 96-76=20, Resulting Numbers: [82, 56, 20] Generated Node #0,1: 19:[82, 56, 20] Operation: 96-76=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[56, 76, 14], Operations: ['96-82=14'] Exploring Operation: 76-56=20, Resulting Numbers: [14, 20] Generated Node #0,0,0: 19:[14, 20] Operation: 76-56=20 Exploring Operation: 56/14=4, Resulting Numbers: [76, 4] Generated Node #0,0,1: 19:[76, 4] Operation: 56/14=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[14, 20], Operations: ['96-82=14', '76-56=20'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,19 unequal: No Solution No 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: 19:[76, 4], Operations: ['96-82=14', '56/14=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[82, 96, 56, 76], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [56, 76, 14] Generated Node #0,0: 19:[56, 76, 14] Operation: 96-82=14 Moving to Node #0,0 Current State: 19:[56, 76, 14], Operations: ['96-82=14'] Exploring Operation: 56/14=4, Resulting Numbers: [76, 4] Generated Node #0,0,1: 19:[76, 4] Operation: 56/14=4 Moving to Node #0,0,1 Current State: 19:[76, 4], Operations: ['96-82=14', '56/14=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 3, 51, 18, 76 ]
95
[ "3*51=153", "76-18=58", "153-58=95" ]
Current State: 95:[3, 51, 18, 76], Operations: [] Exploring Operation: 3*51=153, Resulting Numbers: [18, 76, 153] Generated Node #2: [18, 76, 153] from Operation: 3*51=153 Current State: 95:[18, 76, 153], Operations: ['3*51=153'] Exploring Operation: 76-18=58, Resulting Numbers: [153, 58] Generated Node #3: [153, 58] from Operation: 76-18=58 Current State: 95:[153, 58], Operations: ['3*51=153', '76-18=58'] Exploring Operation: 153-58=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[3, 51, 18, 76], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [18, 76, 17] Generated Node #0,0: 95:[18, 76, 17] Operation: 51/3=17 Exploring Operation: 76-51=25, Resulting Numbers: [3, 18, 25] Generated Node #0,1: 95:[3, 18, 25] Operation: 76-51=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[3, 18, 25], Operations: ['76-51=25'] Exploring Operation: 25-18=7, Resulting Numbers: [3, 7] Generated Node #0,1,0: 95:[3, 7] Operation: 25-18=7 Exploring Operation: 25-3=22, Resulting Numbers: [18, 22] Generated Node #0,1,1: 95:[18, 22] Operation: 25-3=22 Moving to Node #0,1,0 Current State: 95:[3, 7], Operations: ['76-51=25', '25-18=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[18, 22], Operations: ['76-51=25', '25-3=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[18, 76, 17], Operations: ['51/3=17'] Exploring Operation: 18+76=94, Resulting Numbers: [17, 94] Generated Node #0,0,0: 95:[17, 94] Operation: 18+76=94 Exploring Operation: 76+17=93, Resulting Numbers: [18, 93] Generated Node #0,0,1: 95:[18, 93] Operation: 76+17=93 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[17, 94], Operations: ['51/3=17', '18+76=94'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,95 unequal: No Solution Exploring Operation: 17+94=111, Resulting Numbers: [111] 111,95 unequal: No Solution No 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: 95:[18, 93], Operations: ['51/3=17', '76+17=93'] Exploring Operation: 18+93=111, Resulting Numbers: [111] 111,95 unequal: No Solution Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,95 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
[ 86, 3, 50, 90 ]
43
[ "86-3=83", "90-50=40", "83-40=43" ]
Current State: 43:[86, 3, 50, 90], Operations: [] Exploring Operation: 86-3=83, Resulting Numbers: [50, 90, 83] Generated Node #2: [50, 90, 83] from Operation: 86-3=83 Current State: 43:[50, 90, 83], Operations: ['86-3=83'] Exploring Operation: 90-50=40, Resulting Numbers: [83, 40] Generated Node #3: [83, 40] from Operation: 90-50=40 Current State: 43:[83, 40], Operations: ['86-3=83', '90-50=40'] Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[86, 3, 50, 90], Operations: [] Exploring Operation: 90/3=30, Resulting Numbers: [86, 50, 30] Generated Node #0,0: 43:[86, 50, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[86, 50, 30], Operations: ['90/3=30'] Exploring Operation: 86-50=36, Resulting Numbers: [30, 36] Generated Node #0,0,0: 43:[30, 36] Operation: 86-50=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[30, 36], Operations: ['90/3=30', '86-50=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 93, 33, 95, 72 ]
69
[ "95-93=2", "72/2=36", "33+36=69" ]
Current State: 69:[93, 33, 95, 72], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [33, 72, 2] Generated Node #2: [33, 72, 2] from Operation: 95-93=2 Current State: 69:[33, 72, 2], Operations: ['95-93=2'] Exploring Operation: 72/2=36, Resulting Numbers: [33, 36] Generated Node #3: [33, 36] from Operation: 72/2=36 Current State: 69:[33, 36], Operations: ['95-93=2', '72/2=36'] Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[93, 33, 95, 72], Operations: [] Exploring Operation: 95-33=62, Resulting Numbers: [93, 72, 62] Generated Node #0,0: 69:[93, 72, 62] Operation: 95-33=62 Exploring Operation: 95-93=2, Resulting Numbers: [33, 72, 2] Generated Node #0,1: 69:[33, 72, 2] Operation: 95-93=2 Moving to Node #0,1 Current State: 69:[33, 72, 2], Operations: ['95-93=2'] Exploring Operation: 33*2=66, Resulting Numbers: [72, 66] Generated Node #0,1,0: 69:[72, 66] Operation: 33*2=66 Exploring Operation: 33-2=31, Resulting Numbers: [72, 31] Generated Node #0,1,1: 69:[72, 31] Operation: 33-2=31 Moving to Node #0,0 Current State: 69:[93, 72, 62], Operations: ['95-33=62'] Exploring Operation: 93-72=21, Resulting Numbers: [62, 21] Generated Node #0,0,0: 69:[62, 21] Operation: 93-72=21 Exploring Operation: 93-62=31, Resulting Numbers: [72, 31] Generated Node #0,0,1: 69:[72, 31] Operation: 93-62=31 Moving to Node #0,1,0 Current State: 69:[72, 66], Operations: ['95-93=2', '33*2=66'] Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,69 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[62, 21], Operations: ['95-33=62', '93-72=21'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,69 unequal: No Solution Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[72, 31], Operations: ['95-93=2', '33-2=31'] Exploring Operation: 72+31=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[72, 31], Operations: ['95-33=62', '93-62=31'] Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,69 unequal: No Solution Exploring Operation: 72+31=103, Resulting Numbers: [103] 103,69 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 11, 11, 31, 65 ]
12
[ "11+11=22", "65-31=34", "34-22=12" ]
Current State: 12:[11, 11, 31, 65], Operations: [] Exploring Operation: 11+11=22, Resulting Numbers: [31, 65, 22] Generated Node #2: [31, 65, 22] from Operation: 11+11=22 Current State: 12:[31, 65, 22], Operations: ['11+11=22'] Exploring Operation: 65-31=34, Resulting Numbers: [22, 34] Generated Node #3: [22, 34] from Operation: 65-31=34 Current State: 12:[22, 34], Operations: ['11+11=22', '65-31=34'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[11, 11, 31, 65], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [11, 65, 20] Generated Node #0,0: 12:[11, 65, 20] Operation: 31-11=20 Exploring Operation: 65-11=54, Resulting Numbers: [11, 31, 54] Generated Node #0,1: 12:[11, 31, 54] Operation: 65-11=54 Exploring Operation: 65-31=34, Resulting Numbers: [11, 11, 34] Generated Node #0,2: 12:[11, 11, 34] Operation: 65-31=34 Moving to Node #0,2 Current State: 12:[11, 11, 34], Operations: ['65-31=34'] Exploring Operation: 11/11=1, Resulting Numbers: [34, 1] Generated Node #0,2,0: 12:[34, 1] Operation: 11/11=1 Exploring Operation: 34-11=23, Resulting Numbers: [11, 23] Generated Node #0,2,1: 12:[11, 23] Operation: 34-11=23 Exploring Operation: 34-11=23, Resulting Numbers: [11, 23] Generated Node #0,2,2: 12:[11, 23] Operation: 34-11=23 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[11, 23], Operations: ['65-31=34', '34-11=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,12 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[11, 11, 31, 65], Operations: [] Exploring Operation: 65-31=34, Resulting Numbers: [11, 11, 34] Generated Node #0,2: 12:[11, 11, 34] Operation: 65-31=34 Moving to Node #0,2 Current State: 12:[11, 11, 34], Operations: ['65-31=34'] Exploring Operation: 34-11=23, Resulting Numbers: [11, 23] Generated Node #0,2,1: 12:[11, 23] Operation: 34-11=23 Moving to Node #0,2,1 Current State: 12:[11, 23], Operations: ['65-31=34', '34-11=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 8, 78, 84, 32 ]
99
[ "8*84=672", "672/32=21", "78+21=99" ]
Current State: 99:[8, 78, 84, 32], Operations: [] Exploring Operation: 8*84=672, Resulting Numbers: [78, 32, 672] Generated Node #2: [78, 32, 672] from Operation: 8*84=672 Current State: 99:[78, 32, 672], Operations: ['8*84=672'] Exploring Operation: 672/32=21, Resulting Numbers: [78, 21] Generated Node #3: [78, 21] from Operation: 672/32=21 Current State: 99:[78, 21], Operations: ['8*84=672', '672/32=21'] Exploring Operation: 78+21=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[8, 78, 84, 32], Operations: [] Exploring Operation: 8+78=86, Resulting Numbers: [84, 32, 86] Generated Node #0,0: 99:[84, 32, 86] Operation: 8+78=86 Exploring Operation: 84-78=6, Resulting Numbers: [8, 32, 6] Generated Node #0,1: 99:[8, 32, 6] Operation: 84-78=6 Exploring Operation: 78+32=110, Resulting Numbers: [8, 84, 110] Generated Node #0,2: 99:[8, 84, 110] Operation: 78+32=110 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[8, 32, 6], Operations: ['84-78=6'] Exploring Operation: 8+6=14, Resulting Numbers: [32, 14] Generated Node #0,1,0: 99:[32, 14] Operation: 8+6=14 Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #0,1,1: 99:[6, 4] Operation: 32/8=4 Exploring Operation: 8-6=2, Resulting Numbers: [32, 2] Generated Node #0,1,2: 99:[32, 2] Operation: 8-6=2 Moving to Node #0,1,2 Current State: 99:[32, 2], Operations: ['84-78=6', '8-6=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[32, 14], Operations: ['84-78=6', '8+6=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,99 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[6, 4], Operations: ['84-78=6', '32/8=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[8, 84, 110], Operations: ['78+32=110'] Exploring Operation: 110-8=102, Resulting Numbers: [84, 102] Generated Node #0,2,0: 99:[84, 102] Operation: 110-8=102 Exploring Operation: 110-84=26, Resulting Numbers: [8, 26] Generated Node #0,2,1: 99:[8, 26] Operation: 110-84=26 Exploring Operation: 8+84=92, Resulting Numbers: [110, 92] Generated Node #0,2,2: 99:[110, 92] Operation: 8+84=92 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[8, 26], Operations: ['78+32=110', '110-84=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,99 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[84, 102], Operations: ['78+32=110', '110-8=102'] Exploring Operation: 84+102=186, Resulting Numbers: [186] 186,99 unequal: No Solution Exploring Operation: 102-84=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 84*102=8568, Resulting Numbers: [8568] 8568,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[110, 92], Operations: ['78+32=110', '8+84=92'] Exploring Operation: 110+92=202, Resulting Numbers: [202] 202,99 unequal: No Solution Exploring Operation: 110-92=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 110*92=10120, Resulting Numbers: [10120] 10120,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[84, 32, 86], Operations: ['8+78=86'] Exploring Operation: 86-84=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 99:[32, 2] Operation: 86-84=2 Exploring Operation: 84+32=116, Resulting Numbers: [86, 116] Generated Node #0,0,1: 99:[86, 116] Operation: 84+32=116 Exploring Operation: 84-32=52, Resulting Numbers: [86, 52] Generated Node #0,0,2: 99:[86, 52] Operation: 84-32=52 Moving to Node #0,0,0 Current State: 99:[32, 2], Operations: ['8+78=86', '86-84=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[86, 116], Operations: ['8+78=86', '84+32=116'] Exploring Operation: 86*116=9976, Resulting Numbers: [9976] 9976,99 unequal: No Solution Exploring Operation: 116-86=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 86+116=202, Resulting Numbers: [202] 202,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[86, 52], Operations: ['8+78=86', '84-32=52'] Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 86+52=138, Resulting Numbers: [138] 138,99 unequal: No Solution Exploring Operation: 86*52=4472, Resulting Numbers: [4472] 4472,99 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
[ 4, 57, 3, 34 ]
76
[ "4*34=136", "57+3=60", "136-60=76" ]
Current State: 76:[4, 57, 3, 34], Operations: [] Exploring Operation: 4*34=136, Resulting Numbers: [57, 3, 136] Generated Node #2: [57, 3, 136] from Operation: 4*34=136 Current State: 76:[57, 3, 136], Operations: ['4*34=136'] Exploring Operation: 57+3=60, Resulting Numbers: [136, 60] Generated Node #3: [136, 60] from Operation: 57+3=60 Current State: 76:[136, 60], Operations: ['4*34=136', '57+3=60'] Exploring Operation: 136-60=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[4, 57, 3, 34], Operations: [] Exploring Operation: 57-4=53, Resulting Numbers: [3, 34, 53] Generated Node #0,0: 76:[3, 34, 53] Operation: 57-4=53 Exploring Operation: 57+34=91, Resulting Numbers: [4, 3, 91] Generated Node #0,1: 76:[4, 3, 91] Operation: 57+34=91 Exploring Operation: 57/3=19, Resulting Numbers: [4, 34, 19] Generated Node #0,2: 76:[4, 34, 19] Operation: 57/3=19 Exploring Operation: 4+57=61, Resulting Numbers: [3, 34, 61] Generated Node #0,3: 76:[3, 34, 61] Operation: 4+57=61 Exploring Operation: 57-34=23, Resulting Numbers: [4, 3, 23] Generated Node #0,4: 76:[4, 3, 23] Operation: 57-34=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[4, 34, 19], Operations: ['57/3=19'] Exploring Operation: 4*19=76, Resulting Numbers: [34, 76] Generated Node #0,2,0: 76:[34, 76] Operation: 4*19=76 Exploring Operation: 34-19=15, Resulting Numbers: [4, 15] Generated Node #0,2,1: 76:[4, 15] Operation: 34-19=15 Exploring Operation: 4+34=38, Resulting Numbers: [19, 38] Generated Node #0,2,2: 76:[19, 38] Operation: 4+34=38 Exploring Operation: 4+19=23, Resulting Numbers: [34, 23] Generated Node #0,2,3: 76:[34, 23] Operation: 4+19=23 Exploring Operation: 34-4=30, Resulting Numbers: [19, 30] Generated Node #0,2,4: 76:[19, 30] Operation: 34-4=30 Moving to Node #0,2,2 Current State: 76:[19, 38], Operations: ['57/3=19', '4+34=38'] Exploring Operation: 19*38=722, Resulting Numbers: [722] 722,76 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[4, 15], Operations: ['57/3=19', '34-19=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[34, 76], Operations: ['57/3=19', '4*19=76'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 34+76=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 34*76=2584, Resulting Numbers: [2584] 2584,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[34, 23], Operations: ['57/3=19', '4+19=23'] Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[19, 30], Operations: ['57/3=19', '34-4=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,76 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[4, 3, 23], Operations: ['57-34=23'] Exploring Operation: 3+23=26, Resulting Numbers: [4, 26] Generated Node #0,4,0: 76:[4, 26] Operation: 3+23=26 Exploring Operation: 4+3=7, Resulting Numbers: [23, 7] Generated Node #0,4,1: 76:[23, 7] Operation: 4+3=7 Exploring Operation: 23-4=19, Resulting Numbers: [3, 19] Generated Node #0,4,2: 76:[3, 19] Operation: 23-4=19 Exploring Operation: 23-3=20, Resulting Numbers: [4, 20] Generated Node #0,4,3: 76:[4, 20] Operation: 23-3=20 Exploring Operation: 4-3=1, Resulting Numbers: [23, 1] Generated Node #0,4,4: 76:[23, 1] Operation: 4-3=1 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[3, 19], Operations: ['57-34=23', '23-4=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[4, 20], Operations: ['57-34=23', '23-3=20'] Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[23, 1], Operations: ['57-34=23', '4-3=1'] Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 76:[4, 26], Operations: ['57-34=23', '3+23=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,76 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[23, 7], Operations: ['57-34=23', '4+3=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[4, 3, 91], Operations: ['57+34=91'] Exploring Operation: 91-4=87, Resulting Numbers: [3, 87] Generated Node #0,1,0: 76:[3, 87] Operation: 91-4=87 Exploring Operation: 91-3=88, Resulting Numbers: [4, 88] Generated Node #0,1,1: 76:[4, 88] Operation: 91-3=88 Exploring Operation: 4+3=7, Resulting Numbers: [91, 7] Generated Node #0,1,2: 76:[91, 7] Operation: 4+3=7 Exploring Operation: 3+91=94, Resulting Numbers: [4, 94] Generated Node #0,1,3: 76:[4, 94] Operation: 3+91=94 Exploring Operation: 4-3=1, Resulting Numbers: [91, 1] Generated Node #0,1,4: 76:[91, 1] Operation: 4-3=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[3, 87], Operations: ['57+34=91', '91-4=87'] Exploring Operation: 3*87=261, Resulting Numbers: [261] 261,76 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[4, 88], Operations: ['57+34=91', '91-3=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 4*88=352, Resulting Numbers: [352] 352,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 76:[91, 1], Operations: ['57+34=91', '4-3=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,76 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[91, 7], Operations: ['57+34=91', '4+3=7'] Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,76 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[4, 94], Operations: ['57+34=91', '3+91=94'] Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 4*94=376, Resulting Numbers: [376] 376,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[3, 34, 53], Operations: ['57-4=53'] Exploring Operation: 34+53=87, Resulting Numbers: [3, 87] Generated Node #0,0,0: 76:[3, 87] Operation: 34+53=87 Exploring Operation: 3+34=37, Resulting Numbers: [53, 37] Generated Node #0,0,1: 76:[53, 37] Operation: 3+34=37 Exploring Operation: 53-3=50, Resulting Numbers: [34, 50] Generated Node #0,0,2: 76:[34, 50] Operation: 53-3=50 Exploring Operation: 53-34=19, Resulting Numbers: [3, 19] Generated Node #0,0,3: 76:[3, 19] Operation: 53-34=19 Exploring Operation: 34-3=31, Resulting Numbers: [53, 31] Generated Node #0,0,4: 76:[53, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[3, 19], Operations: ['57-4=53', '53-34=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[3, 87], Operations: ['57-4=53', '34+53=87'] Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 3*87=261, Resulting Numbers: [261] 261,76 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[53, 37], Operations: ['57-4=53', '3+34=37'] Exploring Operation: 53+37=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 53*37=1961, Resulting Numbers: [1961] 1961,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[34, 50], Operations: ['57-4=53', '53-3=50'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,76 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 76:[53, 31], Operations: ['57-4=53', '34-3=31'] Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,76 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[3, 34, 61], Operations: ['4+57=61'] Exploring Operation: 34-3=31, Resulting Numbers: [61, 31] Generated Node #0,3,0: 76:[61, 31] Operation: 34-3=31 Exploring Operation: 3+34=37, Resulting Numbers: [61, 37] Generated Node #0,3,1: 76:[61, 37] Operation: 3+34=37 Exploring Operation: 34+61=95, Resulting Numbers: [3, 95] Generated Node #0,3,2: 76:[3, 95] Operation: 34+61=95 Exploring Operation: 61-34=27, Resulting Numbers: [3, 27] Generated Node #0,3,3: 76:[3, 27] Operation: 61-34=27 Exploring Operation: 3+61=64, Resulting Numbers: [34, 64] Generated Node #0,3,4: 76:[34, 64] Operation: 3+61=64 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 76:[3, 27], Operations: ['4+57=61', '61-34=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 76:[61, 37], Operations: ['4+57=61', '3+34=37'] Exploring Operation: 61+37=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 61*37=2257, Resulting Numbers: [2257] 2257,76 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 76:[34, 64], Operations: ['4+57=61', '3+61=64'] Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 34+64=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 34*64=2176, Resulting Numbers: [2176] 2176,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 76:[3, 95], Operations: ['4+57=61', '34+61=95'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 3*95=285, Resulting Numbers: [285] 285,76 unequal: No Solution Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 76:[61, 31], Operations: ['4+57=61', '34-3=31'] Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,76 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 59, 2, 57, 61 ]
51
[ "61-57=4", "2*4=8", "59-8=51" ]
Current State: 51:[59, 2, 57, 61], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [59, 2, 4] Generated Node #2: [59, 2, 4] from Operation: 61-57=4 Current State: 51:[59, 2, 4], Operations: ['61-57=4'] Exploring Operation: 2*4=8, Resulting Numbers: [59, 8] Generated Node #3: [59, 8] from Operation: 2*4=8 Current State: 51:[59, 8], Operations: ['61-57=4', '2*4=8'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[59, 2, 57, 61], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [2, 57, 2] Generated Node #0,0: 51:[2, 57, 2] Operation: 61-59=2 Moving to Node #0,0 Current State: 51:[2, 57, 2], Operations: ['61-59=2'] Exploring Operation: 57-2=55, Resulting Numbers: [2, 55] Generated Node #0,0,0: 51:[2, 55] Operation: 57-2=55 Moving to Node #0,0,0 Current State: 51:[2, 55], Operations: ['61-59=2', '57-2=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 38, 65, 46, 76 ]
88
[ "38*46=1748", "1748/76=23", "65+23=88" ]
Current State: 88:[38, 65, 46, 76], Operations: [] Exploring Operation: 38*46=1748, Resulting Numbers: [65, 76, 1748] Generated Node #2: [65, 76, 1748] from Operation: 38*46=1748 Current State: 88:[65, 76, 1748], Operations: ['38*46=1748'] Exploring Operation: 1748/76=23, Resulting Numbers: [65, 23] Generated Node #3: [65, 23] from Operation: 1748/76=23 Current State: 88:[65, 23], Operations: ['38*46=1748', '1748/76=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[38, 65, 46, 76], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [38, 46, 11] Generated Node #0,0: 88:[38, 46, 11] Operation: 76-65=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[38, 46, 11], Operations: ['76-65=11'] Exploring Operation: 46-38=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 46-38=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[11, 8], Operations: ['76-65=11', '46-38=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[38, 65, 46, 76], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [38, 46, 11] Generated Node #0,0: 88:[38, 46, 11] Operation: 76-65=11 Moving to Node #0,0 Current State: 88:[38, 46, 11], Operations: ['76-65=11'] Exploring Operation: 46-38=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 46-38=8 Moving to Node #0,0,0 Current State: 88:[11, 8], Operations: ['76-65=11', '46-38=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 64, 31, 17, 96 ]
32
[ "64*17=1088", "1088-96=992", "992/31=32" ]
Current State: 32:[64, 31, 17, 96], Operations: [] Exploring Operation: 64*17=1088, Resulting Numbers: [31, 96, 1088] Generated Node #2: [31, 96, 1088] from Operation: 64*17=1088 Current State: 32:[31, 96, 1088], Operations: ['64*17=1088'] Exploring Operation: 1088-96=992, Resulting Numbers: [31, 992] Generated Node #3: [31, 992] from Operation: 1088-96=992 Current State: 32:[31, 992], Operations: ['64*17=1088', '1088-96=992'] Exploring Operation: 992/31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[64, 31, 17, 96], Operations: [] Exploring Operation: 64-17=47, Resulting Numbers: [31, 96, 47] Generated Node #0,0: 32:[31, 96, 47] Operation: 64-17=47 Exploring Operation: 96-31=65, Resulting Numbers: [64, 17, 65] Generated Node #0,1: 32:[64, 17, 65] Operation: 96-31=65 Exploring Operation: 64-31=33, Resulting Numbers: [17, 96, 33] Generated Node #0,2: 32:[17, 96, 33] Operation: 64-31=33 Exploring Operation: 96-64=32, Resulting Numbers: [31, 17, 32] Generated Node #0,3: 32:[31, 17, 32] Operation: 96-64=32 Exploring Operation: 96-17=79, Resulting Numbers: [64, 31, 79] Generated Node #0,4: 32:[64, 31, 79] Operation: 96-17=79 Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[31, 17, 32], Operations: ['96-64=32'] Exploring Operation: 31+17=48, Resulting Numbers: [32, 48] Generated Node #0,3,0: 32:[32, 48] Operation: 31+17=48 Exploring Operation: 17+32=49, Resulting Numbers: [31, 49] Generated Node #0,3,1: 32:[31, 49] Operation: 17+32=49 Exploring Operation: 32-17=15, Resulting Numbers: [31, 15] Generated Node #0,3,2: 32:[31, 15] Operation: 32-17=15 Exploring Operation: 31-17=14, Resulting Numbers: [32, 14] Generated Node #0,3,3: 32:[32, 14] Operation: 31-17=14 Exploring Operation: 32-31=1, Resulting Numbers: [17, 1] Generated Node #0,3,4: 32:[17, 1] Operation: 32-31=1 Moving to Node #0,3,2 Current State: 32:[31, 15], Operations: ['96-64=32', '32-17=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,32 unequal: No Solution Moving to Node #0,3,4 Current State: 32:[17, 1], Operations: ['96-64=32', '32-31=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[32, 14], Operations: ['96-64=32', '31-17=14'] Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,32 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[32, 48], Operations: ['96-64=32', '31+17=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[31, 49], Operations: ['96-64=32', '17+32=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,32 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 Current State: 32:[64, 17, 65], Operations: ['96-31=65'] Exploring Operation: 64+17=81, Resulting Numbers: [65, 81] Generated Node #0,1,0: 32:[65, 81] Operation: 64+17=81 Exploring Operation: 64-17=47, Resulting Numbers: [65, 47] Generated Node #0,1,1: 32:[65, 47] Operation: 64-17=47 Exploring Operation: 65-64=1, Resulting Numbers: [17, 1] Generated Node #0,1,2: 32:[17, 1] Operation: 65-64=1 Exploring Operation: 17+65=82, Resulting Numbers: [64, 82] Generated Node #0,1,3: 32:[64, 82] Operation: 17+65=82 Exploring Operation: 65-17=48, Resulting Numbers: [64, 48] Generated Node #0,1,4: 32:[64, 48] Operation: 65-17=48 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[17, 1], Operations: ['96-31=65', '65-64=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[65, 47], Operations: ['96-31=65', '64-17=47'] Exploring Operation: 65+47=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 65*47=3055, Resulting Numbers: [3055] 3055,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 32:[64, 48], Operations: ['96-31=65', '65-17=48'] Exploring Operation: 64*48=3072, Resulting Numbers: [3072] 3072,32 unequal: No Solution Exploring Operation: 64+48=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[65, 81], Operations: ['96-31=65', '64+17=81'] Exploring Operation: 65*81=5265, Resulting Numbers: [5265] 5265,32 unequal: No Solution Exploring Operation: 81-65=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 65+81=146, Resulting Numbers: [146] 146,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 32:[64, 82], Operations: ['96-31=65', '17+65=82'] Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 64*82=5248, Resulting Numbers: [5248] 5248,32 unequal: No Solution Exploring Operation: 64+82=146, Resulting Numbers: [146] 146,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[17, 96, 33], Operations: ['64-31=33'] Exploring Operation: 17+96=113, Resulting Numbers: [33, 113] Generated Node #0,2,0: 32:[33, 113] Operation: 17+96=113 Exploring Operation: 96-33=63, Resulting Numbers: [17, 63] Generated Node #0,2,1: 32:[17, 63] Operation: 96-33=63 Exploring Operation: 33-17=16, Resulting Numbers: [96, 16] Generated Node #0,2,2: 32:[96, 16] Operation: 33-17=16 Exploring Operation: 17+33=50, Resulting Numbers: [96, 50] Generated Node #0,2,3: 32:[96, 50] Operation: 17+33=50 Exploring Operation: 96-17=79, Resulting Numbers: [33, 79] Generated Node #0,2,4: 32:[33, 79] Operation: 96-17=79 Moving to Node #0,2,1 Current State: 32:[17, 63], Operations: ['64-31=33', '96-33=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,32 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[33, 79], Operations: ['64-31=33', '96-17=79'] Exploring Operation: 33*79=2607, Resulting Numbers: [2607] 2607,32 unequal: No Solution Exploring Operation: 33+79=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[96, 16], Operations: ['64-31=33', '33-17=16'] Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 96*16=1536, Resulting Numbers: [1536] 1536,32 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[33, 113], Operations: ['64-31=33', '17+96=113'] Exploring Operation: 113-33=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 33+113=146, Resulting Numbers: [146] 146,32 unequal: No Solution Exploring Operation: 33*113=3729, Resulting Numbers: [3729] 3729,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[96, 50], Operations: ['64-31=33', '17+33=50'] Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 96*50=4800, Resulting Numbers: [4800] 4800,32 unequal: No Solution Exploring Operation: 96+50=146, Resulting Numbers: [146] 146,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[31, 96, 47], Operations: ['64-17=47'] Exploring Operation: 47-31=16, Resulting Numbers: [96, 16] Generated Node #0,0,0: 32:[96, 16] Operation: 47-31=16 Exploring Operation: 96-47=49, Resulting Numbers: [31, 49] Generated Node #0,0,1: 32:[31, 49] Operation: 96-47=49 Exploring Operation: 31+47=78, Resulting Numbers: [96, 78] Generated Node #0,0,2: 32:[96, 78] Operation: 31+47=78 Exploring Operation: 31+96=127, Resulting Numbers: [47, 127] Generated Node #0,0,3: 32:[47, 127] Operation: 31+96=127 Exploring Operation: 96-31=65, Resulting Numbers: [47, 65] Generated Node #0,0,4: 32:[47, 65] Operation: 96-31=65 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[31, 49], Operations: ['64-17=47', '96-47=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,32 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 32:[47, 65], Operations: ['64-17=47', '96-31=65'] Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 47*65=3055, Resulting Numbers: [3055] 3055,32 unequal: No Solution Exploring Operation: 47+65=112, Resulting Numbers: [112] 112,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[96, 16], Operations: ['64-17=47', '47-31=16'] Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 96*16=1536, Resulting Numbers: [1536] 1536,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[96, 78], Operations: ['64-17=47', '31+47=78'] Exploring Operation: 96*78=7488, Resulting Numbers: [7488] 7488,32 unequal: No Solution Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 96+78=174, Resulting Numbers: [174] 174,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 32:[47, 127], Operations: ['64-17=47', '31+96=127'] Exploring Operation: 127-47=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 47+127=174, Resulting Numbers: [174] 174,32 unequal: No Solution Exploring Operation: 47*127=5969, Resulting Numbers: [5969] 5969,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 32:[64, 31, 79], Operations: ['96-17=79'] Exploring Operation: 79-64=15, Resulting Numbers: [31, 15] Generated Node #0,4,0: 32:[31, 15] Operation: 79-64=15 Exploring Operation: 64+31=95, Resulting Numbers: [79, 95] Generated Node #0,4,1: 32:[79, 95] Operation: 64+31=95 Exploring Operation: 31+79=110, Resulting Numbers: [64, 110] Generated Node #0,4,2: 32:[64, 110] Operation: 31+79=110 Exploring Operation: 64-31=33, Resulting Numbers: [79, 33] Generated Node #0,4,3: 32:[79, 33] Operation: 64-31=33 Exploring Operation: 79-31=48, Resulting Numbers: [64, 48] Generated Node #0,4,4: 32:[64, 48] Operation: 79-31=48 Moving to Node #0,4,0 Current State: 32:[31, 15], Operations: ['96-17=79', '79-64=15'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,32 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[64, 48], Operations: ['96-17=79', '79-31=48'] Exploring Operation: 64+48=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 64*48=3072, Resulting Numbers: [3072] 3072,32 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,32 unequal: No Solution Moving to Node #0,4,3 Current State: 32:[79, 33], Operations: ['96-17=79', '64-31=33'] Exploring Operation: 79+33=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 79*33=2607, Resulting Numbers: [2607] 2607,32 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[79, 95], Operations: ['96-17=79', '64+31=95'] Exploring Operation: 79+95=174, Resulting Numbers: [174] 174,32 unequal: No Solution Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 79*95=7505, Resulting Numbers: [7505] 7505,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[64, 110], Operations: ['96-17=79', '31+79=110'] Exploring Operation: 64+110=174, Resulting Numbers: [174] 174,32 unequal: No Solution Exploring Operation: 110-64=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 64*110=7040, Resulting Numbers: [7040] 7040,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 15, 59, 18, 45 ]
65
[ "15*18=270", "270/45=6", "59+6=65" ]
Current State: 65:[15, 59, 18, 45], Operations: [] Exploring Operation: 15*18=270, Resulting Numbers: [59, 45, 270] Generated Node #2: [59, 45, 270] from Operation: 15*18=270 Current State: 65:[59, 45, 270], Operations: ['15*18=270'] Exploring Operation: 270/45=6, Resulting Numbers: [59, 6] Generated Node #3: [59, 6] from Operation: 270/45=6 Current State: 65:[59, 6], Operations: ['15*18=270', '270/45=6'] Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[15, 59, 18, 45], Operations: [] Exploring Operation: 59-45=14, Resulting Numbers: [15, 18, 14] Generated Node #0,0: 65:[15, 18, 14] Operation: 59-45=14 Exploring Operation: 15+45=60, Resulting Numbers: [59, 18, 60] Generated Node #0,1: 65:[59, 18, 60] Operation: 15+45=60 Exploring Operation: 18+45=63, Resulting Numbers: [15, 59, 63] Generated Node #0,2: 65:[15, 59, 63] Operation: 18+45=63 Exploring Operation: 45/15=3, Resulting Numbers: [59, 18, 3] Generated Node #0,3: 65:[59, 18, 3] Operation: 45/15=3 Moving to Node #0,0 Current State: 65:[15, 18, 14], Operations: ['59-45=14'] Exploring Operation: 18-15=3, Resulting Numbers: [14, 3] Generated Node #0,0,0: 65:[14, 3] Operation: 18-15=3 Exploring Operation: 18-14=4, Resulting Numbers: [15, 4] Generated Node #0,0,1: 65:[15, 4] Operation: 18-14=4 Exploring Operation: 15-14=1, Resulting Numbers: [18, 1] Generated Node #0,0,2: 65:[18, 1] Operation: 15-14=1 Exploring Operation: 15+18=33, Resulting Numbers: [14, 33] Generated Node #0,0,3: 65:[14, 33] Operation: 15+18=33 Moving to Node #0,2 Current State: 65:[15, 59, 63], Operations: ['18+45=63'] Exploring Operation: 15+59=74, Resulting Numbers: [63, 74] Generated Node #0,2,0: 65:[63, 74] Operation: 15+59=74 Exploring Operation: 59-15=44, Resulting Numbers: [63, 44] Generated Node #0,2,1: 65:[63, 44] Operation: 59-15=44 Exploring Operation: 15+63=78, Resulting Numbers: [59, 78] Generated Node #0,2,2: 65:[59, 78] Operation: 15+63=78 Exploring Operation: 63-59=4, Resulting Numbers: [15, 4] Generated Node #0,2,3: 65:[15, 4] Operation: 63-59=4 Moving to Node #0,3 Current State: 65:[59, 18, 3], Operations: ['45/15=3'] Exploring Operation: 18-3=15, Resulting Numbers: [59, 15] Generated Node #0,3,0: 65:[59, 15] Operation: 18-3=15 Exploring Operation: 59+18=77, Resulting Numbers: [3, 77] Generated Node #0,3,1: 65:[3, 77] Operation: 59+18=77 Exploring Operation: 59+3=62, Resulting Numbers: [18, 62] Generated Node #0,3,2: 65:[18, 62] Operation: 59+3=62 Exploring Operation: 18/3=6, Resulting Numbers: [59, 6] Generated Node #0,3,3: 65:[59, 6] Operation: 18/3=6 Moving to Node #0,1 Current State: 65:[59, 18, 60], Operations: ['15+45=60'] Exploring Operation: 18+60=78, Resulting Numbers: [59, 78] Generated Node #0,1,0: 65:[59, 78] Operation: 18+60=78 Exploring Operation: 59-18=41, Resulting Numbers: [60, 41] Generated Node #0,1,1: 65:[60, 41] Operation: 59-18=41 Exploring Operation: 59+18=77, Resulting Numbers: [60, 77] Generated Node #0,1,2: 65:[60, 77] Operation: 59+18=77 Exploring Operation: 60-59=1, Resulting Numbers: [18, 1] Generated Node #0,1,3: 65:[18, 1] Operation: 60-59=1 Moving to Node #0,0,0 Current State: 65:[14, 3], Operations: ['59-45=14', '18-15=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[15, 4], Operations: ['59-45=14', '18-14=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,65 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[15, 4], Operations: ['18+45=63', '63-59=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,65 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[59, 6], Operations: ['45/15=3', '18/3=6'] Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[15, 59, 18, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [59, 18, 3] Generated Node #0,3: 65:[59, 18, 3] Operation: 45/15=3 Moving to Node #0,3 Current State: 65:[59, 18, 3], Operations: ['45/15=3'] Exploring Operation: 18/3=6, Resulting Numbers: [59, 6] Generated Node #0,3,3: 65:[59, 6] Operation: 18/3=6 Moving to Node #0,3,3 Current State: 65:[59, 6], Operations: ['45/15=3', '18/3=6'] Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.970486
hs_4
sum_heuristic
[ 3, 1, 24, 32 ]
52
[ "3+1=4", "24+32=56", "56-4=52" ]
Current State: 52:[3, 1, 24, 32], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [24, 32, 4] Generated Node #2: [24, 32, 4] from Operation: 3+1=4 Current State: 52:[24, 32, 4], Operations: ['3+1=4'] Exploring Operation: 24+32=56, Resulting Numbers: [4, 56] Generated Node #3: [4, 56] from Operation: 24+32=56 Current State: 52:[4, 56], Operations: ['3+1=4', '24+32=56'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[3, 1, 24, 32], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [24, 32, 4] Generated Node #0,0: 52:[24, 32, 4] Operation: 3+1=4 Exploring Operation: 32-24=8, Resulting Numbers: [3, 1, 8] Generated Node #0,1: 52:[3, 1, 8] Operation: 32-24=8 Exploring Operation: 24+32=56, Resulting Numbers: [3, 1, 56] Generated Node #0,2: 52:[3, 1, 56] Operation: 24+32=56 Exploring Operation: 32-3=29, Resulting Numbers: [1, 24, 29] Generated Node #0,3: 52:[1, 24, 29] Operation: 32-3=29 Moving to Node #0,1 Current State: 52:[3, 1, 8], Operations: ['32-24=8'] Exploring Operation: 8-3=5, Resulting Numbers: [1, 5] Generated Node #0,1,0: 52:[1, 5] Operation: 8-3=5 Exploring Operation: 3+8=11, Resulting Numbers: [1, 11] Generated Node #0,1,1: 52:[1, 11] Operation: 3+8=11 Exploring Operation: 3*8=24, Resulting Numbers: [1, 24] Generated Node #0,1,2: 52:[1, 24] Operation: 3*8=24 Exploring Operation: 3+1=4, Resulting Numbers: [8, 4] Generated Node #0,1,3: 52:[8, 4] Operation: 3+1=4 Moving to Node #0,3 Current State: 52:[1, 24, 29], Operations: ['32-3=29'] Exploring Operation: 29-24=5, Resulting Numbers: [1, 5] Generated Node #0,3,0: 52:[1, 5] Operation: 29-24=5 Exploring Operation: 29-1=28, Resulting Numbers: [24, 28] Generated Node #0,3,1: 52:[24, 28] Operation: 29-1=28 Exploring Operation: 24+29=53, Resulting Numbers: [1, 53] Generated Node #0,3,2: 52:[1, 53] Operation: 24+29=53 Exploring Operation: 1+24=25, Resulting Numbers: [29, 25] Generated Node #0,3,3: 52:[29, 25] Operation: 1+24=25 Moving to Node #0,2 Current State: 52:[3, 1, 56], Operations: ['24+32=56'] Exploring Operation: 56-1=55, Resulting Numbers: [3, 55] Generated Node #0,2,0: 52:[3, 55] Operation: 56-1=55 Exploring Operation: 3+1=4, Resulting Numbers: [56, 4] Generated Node #0,2,1: 52:[56, 4] Operation: 3+1=4 Exploring Operation: 3-1=2, Resulting Numbers: [56, 2] Generated Node #0,2,2: 52:[56, 2] Operation: 3-1=2 Exploring Operation: 56-3=53, Resulting Numbers: [1, 53] Generated Node #0,2,3: 52:[1, 53] Operation: 56-3=53 Moving to Node #0,0 Current State: 52:[24, 32, 4], Operations: ['3+1=4'] Exploring Operation: 32/4=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 52:[24, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [24, 28] Generated Node #0,0,1: 52:[24, 28] Operation: 32-4=28 Exploring Operation: 24+32=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 52:[4, 56] Operation: 24+32=56 Exploring Operation: 32-24=8, Resulting Numbers: [4, 8] Generated Node #0,0,3: 52:[4, 8] Operation: 32-24=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[24, 28], Operations: ['3+1=4', '32-4=28'] Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,52 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[3, 1, 24, 32], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [24, 32, 4] Generated Node #0,0: 52:[24, 32, 4] Operation: 3+1=4 Moving to Node #0,0 Current State: 52:[24, 32, 4], Operations: ['3+1=4'] Exploring Operation: 32-4=28, Resulting Numbers: [24, 28] Generated Node #0,0,1: 52:[24, 28] Operation: 32-4=28 Moving to Node #0,0,1 Current State: 52:[24, 28], Operations: ['3+1=4', '32-4=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
mult_heuristic
[ 47, 9, 16, 5 ]
67
[ "47+9=56", "16-5=11", "56+11=67" ]
Current State: 67:[47, 9, 16, 5], Operations: [] Exploring Operation: 47+9=56, Resulting Numbers: [16, 5, 56] Generated Node #2: [16, 5, 56] from Operation: 47+9=56 Current State: 67:[16, 5, 56], Operations: ['47+9=56'] Exploring Operation: 16-5=11, Resulting Numbers: [56, 11] Generated Node #3: [56, 11] from Operation: 16-5=11 Current State: 67:[56, 11], Operations: ['47+9=56', '16-5=11'] Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[47, 9, 16, 5], Operations: [] Exploring Operation: 9*5=45, Resulting Numbers: [47, 16, 45] Generated Node #0,0: 67:[47, 16, 45] Operation: 9*5=45 Exploring Operation: 16*5=80, Resulting Numbers: [47, 9, 80] Generated Node #0,1: 67:[47, 9, 80] Operation: 16*5=80 Exploring Operation: 47+16=63, Resulting Numbers: [9, 5, 63] Generated Node #0,2: 67:[9, 5, 63] Operation: 47+16=63 Exploring Operation: 47+9=56, Resulting Numbers: [16, 5, 56] Generated Node #0,3: 67:[16, 5, 56] Operation: 47+9=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[47, 9, 80], Operations: ['16*5=80'] Exploring Operation: 9+80=89, Resulting Numbers: [47, 89] Generated Node #0,1,0: 67:[47, 89] Operation: 9+80=89 Exploring Operation: 47-9=38, Resulting Numbers: [80, 38] Generated Node #0,1,1: 67:[80, 38] Operation: 47-9=38 Exploring Operation: 47+9=56, Resulting Numbers: [80, 56] Generated Node #0,1,2: 67:[80, 56] Operation: 47+9=56 Exploring Operation: 80-9=71, Resulting Numbers: [47, 71] Generated Node #0,1,3: 67:[47, 71] Operation: 80-9=71 Moving to Node #0,1,2 Current State: 67:[80, 56], Operations: ['16*5=80', '47+9=56'] Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,67 unequal: No Solution Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[47, 71], Operations: ['16*5=80', '80-9=71'] Exploring Operation: 47+71=118, Resulting Numbers: [118] 118,67 unequal: No Solution Exploring Operation: 71-47=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 47*71=3337, Resulting Numbers: [3337] 3337,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[80, 38], Operations: ['16*5=80', '47-9=38'] Exploring Operation: 80-38=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 80+38=118, Resulting Numbers: [118] 118,67 unequal: No Solution Exploring Operation: 80*38=3040, Resulting Numbers: [3040] 3040,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[47, 89], Operations: ['16*5=80', '9+80=89'] Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 47+89=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 47*89=4183, Resulting Numbers: [4183] 4183,67 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:[47, 16, 45], Operations: ['9*5=45'] Exploring Operation: 16+45=61, Resulting Numbers: [47, 61] Generated Node #0,0,0: 67:[47, 61] Operation: 16+45=61 Exploring Operation: 47+16=63, Resulting Numbers: [45, 63] Generated Node #0,0,1: 67:[45, 63] Operation: 47+16=63 Exploring Operation: 45-16=29, Resulting Numbers: [47, 29] Generated Node #0,0,2: 67:[47, 29] Operation: 45-16=29 Exploring Operation: 47-16=31, Resulting Numbers: [45, 31] Generated Node #0,0,3: 67:[45, 31] Operation: 47-16=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[47, 61], Operations: ['9*5=45', '16+45=61'] Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,67 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 #0,0,1 Current State: 67:[45, 63], Operations: ['9*5=45', '47+16=63'] Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 45*63=2835, Resulting Numbers: [2835] 2835,67 unequal: No Solution Exploring Operation: 45+63=108, Resulting Numbers: [108] 108,67 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 #0,0,2 Current State: 67:[47, 29], Operations: ['9*5=45', '45-16=29'] Exploring Operation: 47*29=1363, Resulting Numbers: [1363] 1363,67 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,67 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 #0,0,3 Current State: 67:[45, 31], Operations: ['9*5=45', '47-16=31'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,67 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,67 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 #0,2 Current State: 67:[9, 5, 63], Operations: ['47+16=63'] Exploring Operation: 9-5=4, Resulting Numbers: [63, 4] Generated Node #0,2,0: 67:[63, 4] Operation: 9-5=4 Exploring Operation: 9+5=14, Resulting Numbers: [63, 14] Generated Node #0,2,1: 67:[63, 14] Operation: 9+5=14 Exploring Operation: 5+63=68, Resulting Numbers: [9, 68] Generated Node #0,2,2: 67:[9, 68] Operation: 5+63=68 Exploring Operation: 9*5=45, Resulting Numbers: [63, 45] Generated Node #0,2,3: 67:[63, 45] Operation: 9*5=45 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[63, 45], Operations: ['47+16=63', '9*5=45'] Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,67 unequal: No Solution Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,67 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 #0,2,1 Current State: 67:[63, 14], Operations: ['47+16=63', '9+5=14'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,67 unequal: No Solution Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,67 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 #0,2,2 Current State: 67:[9, 68], Operations: ['47+16=63', '5+63=68'] Exploring Operation: 9*68=612, Resulting Numbers: [612] 612,67 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,67 unequal: No Solution Exploring Operation: 9+68=77, Resulting Numbers: [77] 77,67 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 #0,2,0 Current State: 67:[63, 4], Operations: ['47+16=63', '9-5=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,67 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[47, 9, 16, 5], Operations: [] Exploring Operation: 47+16=63, Resulting Numbers: [9, 5, 63] Generated Node #0,2: 67:[9, 5, 63] Operation: 47+16=63 Moving to Node #0,2 Current State: 67:[9, 5, 63], Operations: ['47+16=63'] Exploring Operation: 9-5=4, Resulting Numbers: [63, 4] Generated Node #0,2,0: 67:[63, 4] Operation: 9-5=4 Moving to Node #0,2,0 Current State: 67:[63, 4], Operations: ['47+16=63', '9-5=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.952257
hs_4
mult_heuristic
[ 13, 84, 98, 20 ]
70
[ "20-13=7", "98/7=14", "84-14=70" ]
Current State: 70:[13, 84, 98, 20], Operations: [] Exploring Operation: 20-13=7, Resulting Numbers: [84, 98, 7] Generated Node #2: [84, 98, 7] from Operation: 20-13=7 Current State: 70:[84, 98, 7], Operations: ['20-13=7'] Exploring Operation: 98/7=14, Resulting Numbers: [84, 14] Generated Node #3: [84, 14] from Operation: 98/7=14 Current State: 70:[84, 14], Operations: ['20-13=7', '98/7=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[13, 84, 98, 20], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [13, 20, 14] Generated Node #0,0: 70:[13, 20, 14] Operation: 98-84=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[13, 20, 14], Operations: ['98-84=14'] Exploring Operation: 20-13=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 70:[14, 7] Operation: 20-13=7 Moving to Node #0,0,0 Current State: 70:[14, 7], Operations: ['98-84=14', '20-13=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,70 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
[ 84, 85, 45, 98 ]
52
[ "85-84=1", "98-45=53", "53-1=52" ]
Current State: 52:[84, 85, 45, 98], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [45, 98, 1] Generated Node #2: [45, 98, 1] from Operation: 85-84=1 Current State: 52:[45, 98, 1], Operations: ['85-84=1'] Exploring Operation: 98-45=53, Resulting Numbers: [1, 53] Generated Node #3: [1, 53] from Operation: 98-45=53 Current State: 52:[1, 53], Operations: ['85-84=1', '98-45=53'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[84, 85, 45, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [84, 45, 13] Generated Node #0,0: 52:[84, 45, 13] Operation: 98-85=13 Exploring Operation: 98-84=14, Resulting Numbers: [85, 45, 14] Generated Node #0,1: 52:[85, 45, 14] Operation: 98-84=14 Moving to Node #0,0 Current State: 52:[84, 45, 13], Operations: ['98-85=13'] Exploring Operation: 84-13=71, Resulting Numbers: [45, 71] Generated Node #0,0,0: 52:[45, 71] Operation: 84-13=71 Exploring Operation: 84-45=39, Resulting Numbers: [13, 39] Generated Node #0,0,1: 52:[13, 39] Operation: 84-45=39 Moving to Node #0,1 Current State: 52:[85, 45, 14], Operations: ['98-84=14'] Exploring Operation: 85-45=40, Resulting Numbers: [14, 40] Generated Node #0,1,0: 52:[14, 40] Operation: 85-45=40 Exploring Operation: 85-14=71, Resulting Numbers: [45, 71] Generated Node #0,1,1: 52:[45, 71] Operation: 85-14=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[14, 40], Operations: ['98-84=14', '85-45=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[45, 71], Operations: ['98-84=14', '85-14=71'] Exploring Operation: 45+71=116, Resulting Numbers: [116] 116,52 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,52 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: 52:[13, 39], Operations: ['98-85=13', '84-45=39'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[84, 85, 45, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [84, 45, 13] Generated Node #0,0: 52:[84, 45, 13] Operation: 98-85=13 Moving to Node #0,0 Current State: 52:[84, 45, 13], Operations: ['98-85=13'] Exploring Operation: 84-45=39, Resulting Numbers: [13, 39] Generated Node #0,0,1: 52:[13, 39] Operation: 84-45=39 Moving to Node #0,0,1 Current State: 52:[13, 39], Operations: ['98-85=13', '84-45=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 91, 58, 35, 7 ]
28
[ "91-58=33", "35/7=5", "33-5=28" ]
Current State: 28:[91, 58, 35, 7], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [35, 7, 33] Generated Node #2: [35, 7, 33] from Operation: 91-58=33 Current State: 28:[35, 7, 33], Operations: ['91-58=33'] Exploring Operation: 35/7=5, Resulting Numbers: [33, 5] Generated Node #3: [33, 5] from Operation: 35/7=5 Current State: 28:[33, 5], Operations: ['91-58=33', '35/7=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[91, 58, 35, 7], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [35, 7, 33] Generated Node #0,0: 28:[35, 7, 33] Operation: 91-58=33 Exploring Operation: 58-35=23, Resulting Numbers: [91, 7, 23] Generated Node #0,1: 28:[91, 7, 23] Operation: 58-35=23 Exploring Operation: 91/7=13, Resulting Numbers: [58, 35, 13] Generated Node #0,2: 28:[58, 35, 13] Operation: 91/7=13 Exploring Operation: 91-35=56, Resulting Numbers: [58, 7, 56] Generated Node #0,3: 28:[58, 7, 56] Operation: 91-35=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[35, 7, 33], Operations: ['91-58=33'] Exploring Operation: 35-7=28, Resulting Numbers: [33, 28] Generated Node #0,0,0: 28:[33, 28] Operation: 35-7=28 Exploring Operation: 33-7=26, Resulting Numbers: [35, 26] Generated Node #0,0,1: 28:[35, 26] Operation: 33-7=26 Exploring Operation: 35-33=2, Resulting Numbers: [7, 2] Generated Node #0,0,2: 28:[7, 2] Operation: 35-33=2 Exploring Operation: 35/7=5, Resulting Numbers: [33, 5] Generated Node #0,0,3: 28:[33, 5] Operation: 35/7=5 Moving to Node #0,0,2 Current State: 28:[7, 2], Operations: ['91-58=33', '35-33=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[33, 28], Operations: ['91-58=33', '35-7=28'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[33, 5], Operations: ['91-58=33', '35/7=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[91, 58, 35, 7], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [35, 7, 33] Generated Node #0,0: 28:[35, 7, 33] Operation: 91-58=33 Moving to Node #0,0 Current State: 28:[35, 7, 33], Operations: ['91-58=33'] Exploring Operation: 35/7=5, Resulting Numbers: [33, 5] Generated Node #0,0,3: 28:[33, 5] Operation: 35/7=5 Moving to Node #0,0,3 Current State: 28:[33, 5], Operations: ['91-58=33', '35/7=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 3, 87, 87, 82 ]
89
[ "87-3=84", "87-82=5", "84+5=89" ]
Current State: 89:[3, 87, 87, 82], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [82, 84] Generated Node #2: [82, 84] from Operation: 87-3=84 Current State: 89:[82, 84], Operations: ['87-3=84'] Exploring Operation: 87-82=5, Resulting Numbers: [84, 5] Generated Node #3: [84, 5] from Operation: 87-82=5 Current State: 89:[84, 5], Operations: ['87-3=84', '87-82=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[3, 87, 87, 82], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [87, 82, 84] Generated Node #0,0: 89:[87, 82, 84] Operation: 87-3=84 Exploring Operation: 3+82=85, Resulting Numbers: [87, 87, 85] Generated Node #0,1: 89:[87, 87, 85] Operation: 3+82=85 Exploring Operation: 3+87=90, Resulting Numbers: [87, 82, 90] Generated Node #0,2: 89:[87, 82, 90] Operation: 3+87=90 Exploring Operation: 87-3=84, Resulting Numbers: [87, 82, 84] Generated Node #0,3: 89:[87, 82, 84] Operation: 87-3=84 Exploring Operation: 3+87=90, Resulting Numbers: [87, 82, 90] Generated Node #0,4: 89:[87, 82, 90] Operation: 3+87=90 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[87, 87, 85], Operations: ['3+82=85'] Exploring Operation: 87+87=174, Resulting Numbers: [85, 174] Generated Node #0,1,0: 89:[85, 174] Operation: 87+87=174 Exploring Operation: 87-85=2, Resulting Numbers: [87, 2] Generated Node #0,1,1: 89:[87, 2] Operation: 87-85=2 Exploring Operation: 87-85=2, Resulting Numbers: [87, 2] Generated Node #0,1,2: 89:[87, 2] Operation: 87-85=2 Exploring Operation: 87+85=172, Resulting Numbers: [87, 172] Generated Node #0,1,3: 89:[87, 172] Operation: 87+85=172 Exploring Operation: 87+85=172, Resulting Numbers: [87, 172] Generated Node #0,1,4: 89:[87, 172] Operation: 87+85=172 Moving to Node #0,1,3 Current State: 89:[87, 172], Operations: ['3+82=85', '87+85=172'] Exploring Operation: 87*172=14964, Resulting Numbers: [14964] 14964,89 unequal: No Solution Exploring Operation: 172-87=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 87+172=259, Resulting Numbers: [259] 259,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[87, 172], Operations: ['3+82=85', '87+85=172'] Exploring Operation: 87+172=259, Resulting Numbers: [259] 259,89 unequal: No Solution Exploring Operation: 87*172=14964, Resulting Numbers: [14964] 14964,89 unequal: No Solution Exploring Operation: 172-87=85, Resulting Numbers: [85] 85,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[85, 174], Operations: ['3+82=85', '87+87=174'] Exploring Operation: 85+174=259, Resulting Numbers: [259] 259,89 unequal: No Solution Exploring Operation: 85*174=14790, Resulting Numbers: [14790] 14790,89 unequal: No Solution Exploring Operation: 174-85=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[3, 87, 87, 82], Operations: [] Exploring Operation: 3+82=85, Resulting Numbers: [87, 87, 85] Generated Node #0,1: 89:[87, 87, 85] Operation: 3+82=85 Moving to Node #0,1 Current State: 89:[87, 87, 85], Operations: ['3+82=85'] Exploring Operation: 87+87=174, Resulting Numbers: [85, 174] Generated Node #0,1,0: 89:[85, 174] Operation: 87+87=174 Moving to Node #0,1,0 Current State: 89:[85, 174], Operations: ['3+82=85', '87+87=174'] Exploring Operation: 174-85=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 95, 55, 64, 10 ]
49
[ "95+55=150", "150/10=15", "64-15=49" ]
Current State: 49:[95, 55, 64, 10], Operations: [] Exploring Operation: 95+55=150, Resulting Numbers: [64, 10, 150] Generated Node #2: [64, 10, 150] from Operation: 95+55=150 Current State: 49:[64, 10, 150], Operations: ['95+55=150'] Exploring Operation: 150/10=15, Resulting Numbers: [64, 15] Generated Node #3: [64, 15] from Operation: 150/10=15 Current State: 49:[64, 15], Operations: ['95+55=150', '150/10=15'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[95, 55, 64, 10], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [64, 10, 40] Generated Node #0,0: 49:[64, 10, 40] Operation: 95-55=40 Exploring Operation: 95-64=31, Resulting Numbers: [55, 10, 31] Generated Node #0,1: 49:[55, 10, 31] Operation: 95-64=31 Moving to Node #0,0 Current State: 49:[64, 10, 40], Operations: ['95-55=40'] Exploring Operation: 10+40=50, Resulting Numbers: [64, 50] Generated Node #0,0,0: 49:[64, 50] Operation: 10+40=50 Exploring Operation: 64-10=54, Resulting Numbers: [40, 54] Generated Node #0,0,1: 49:[40, 54] Operation: 64-10=54 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[40, 54], Operations: ['95-55=40', '64-10=54'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[64, 50], Operations: ['95-55=40', '10+40=50'] Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 64+50=114, Resulting Numbers: [114] 114,49 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: 49:[55, 10, 31], Operations: ['95-64=31'] Exploring Operation: 10+31=41, Resulting Numbers: [55, 41] Generated Node #0,1,0: 49:[55, 41] Operation: 10+31=41 Exploring Operation: 55-31=24, Resulting Numbers: [10, 24] Generated Node #0,1,1: 49:[10, 24] Operation: 55-31=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[55, 41], Operations: ['95-64=31', '10+31=41'] Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[10, 24], Operations: ['95-64=31', '55-31=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 44, 54, 35 ]
36
[ "9+44=53", "54+35=89", "89-53=36" ]
Current State: 36:[9, 44, 54, 35], Operations: [] Exploring Operation: 9+44=53, Resulting Numbers: [54, 35, 53] Generated Node #2: [54, 35, 53] from Operation: 9+44=53 Current State: 36:[54, 35, 53], Operations: ['9+44=53'] Exploring Operation: 54+35=89, Resulting Numbers: [53, 89] Generated Node #3: [53, 89] from Operation: 54+35=89 Current State: 36:[53, 89], Operations: ['9+44=53', '54+35=89'] Exploring Operation: 89-53=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[9, 44, 54, 35], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [9, 35, 10] Generated Node #0,0: 36:[9, 35, 10] Operation: 54-44=10 Moving to Node #0,0 Current State: 36:[9, 35, 10], Operations: ['54-44=10'] Exploring Operation: 9+10=19, Resulting Numbers: [35, 19] Generated Node #0,0,0: 36:[35, 19] Operation: 9+10=19 Moving to Node #0,0,0 Current State: 36:[35, 19], Operations: ['54-44=10', '9+10=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 15, 82, 83, 58 ]
43
[ "58-15=43", "83-82=1", "43*1=43" ]
Current State: 43:[15, 82, 83, 58], Operations: [] Exploring Operation: 58-15=43, Resulting Numbers: [82, 83, 43] Generated Node #2: [82, 83, 43] from Operation: 58-15=43 Current State: 43:[82, 83, 43], Operations: ['58-15=43'] Exploring Operation: 83-82=1, Resulting Numbers: [43, 1] Generated Node #3: [43, 1] from Operation: 83-82=1 Current State: 43:[43, 1], Operations: ['58-15=43', '83-82=1'] Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[15, 82, 83, 58], Operations: [] Exploring Operation: 83-15=68, Resulting Numbers: [82, 58, 68] Generated Node #0,0: 43:[82, 58, 68] Operation: 83-15=68 Exploring Operation: 58-15=43, Resulting Numbers: [82, 83, 43] Generated Node #0,1: 43:[82, 83, 43] Operation: 58-15=43 Exploring Operation: 83-82=1, Resulting Numbers: [15, 58, 1] Generated Node #0,2: 43:[15, 58, 1] Operation: 83-82=1 Exploring Operation: 82-15=67, Resulting Numbers: [83, 58, 67] Generated Node #0,3: 43:[83, 58, 67] Operation: 82-15=67 Moving to Node #0,0 Current State: 43:[82, 58, 68], Operations: ['83-15=68'] Exploring Operation: 82-58=24, Resulting Numbers: [68, 24] Generated Node #0,0,0: 43:[68, 24] Operation: 82-58=24 Exploring Operation: 82+58=140, Resulting Numbers: [68, 140] Generated Node #0,0,1: 43:[68, 140] Operation: 82+58=140 Exploring Operation: 82-68=14, Resulting Numbers: [58, 14] Generated Node #0,0,2: 43:[58, 14] Operation: 82-68=14 Exploring Operation: 68-58=10, Resulting Numbers: [82, 10] Generated Node #0,0,3: 43:[82, 10] Operation: 68-58=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[68, 24], Operations: ['83-15=68', '82-58=24'] Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,43 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[58, 14], Operations: ['83-15=68', '82-68=14'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 58*14=812, Resulting Numbers: [812] 812,43 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 #0,0,3 Current State: 43:[82, 10], Operations: ['83-15=68', '68-58=10'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,43 unequal: No Solution Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,43 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 #0,0,1 Current State: 43:[68, 140], Operations: ['83-15=68', '82+58=140'] Exploring Operation: 140-68=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 68+140=208, Resulting Numbers: [208] 208,43 unequal: No Solution Exploring Operation: 68*140=9520, Resulting Numbers: [9520] 9520,43 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: 43:[83, 58, 67], Operations: ['82-15=67'] Exploring Operation: 83-67=16, Resulting Numbers: [58, 16] Generated Node #0,3,0: 43:[58, 16] Operation: 83-67=16 Exploring Operation: 83+58=141, Resulting Numbers: [67, 141] Generated Node #0,3,1: 43:[67, 141] Operation: 83+58=141 Exploring Operation: 83-58=25, Resulting Numbers: [67, 25] Generated Node #0,3,2: 43:[67, 25] Operation: 83-58=25 Exploring Operation: 67-58=9, Resulting Numbers: [83, 9] Generated Node #0,3,3: 43:[83, 9] Operation: 67-58=9 Moving to Node #0,1 Current State: 43:[82, 83, 43], Operations: ['58-15=43'] Exploring Operation: 83-43=40, Resulting Numbers: [82, 40] Generated Node #0,1,0: 43:[82, 40] Operation: 83-43=40 Exploring Operation: 82-43=39, Resulting Numbers: [83, 39] Generated Node #0,1,1: 43:[83, 39] Operation: 82-43=39 Exploring Operation: 82+83=165, Resulting Numbers: [43, 165] Generated Node #0,1,2: 43:[43, 165] Operation: 82+83=165 Exploring Operation: 83-82=1, Resulting Numbers: [43, 1] Generated Node #0,1,3: 43:[43, 1] Operation: 83-82=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[82, 40], Operations: ['58-15=43', '83-43=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[43, 1], Operations: ['58-15=43', '83-82=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[15, 82, 83, 58], Operations: [] Exploring Operation: 58-15=43, Resulting Numbers: [82, 83, 43] Generated Node #0,1: 43:[82, 83, 43] Operation: 58-15=43 Moving to Node #0,1 Current State: 43:[82, 83, 43], Operations: ['58-15=43'] Exploring Operation: 83-82=1, Resulting Numbers: [43, 1] Generated Node #0,1,3: 43:[43, 1] Operation: 83-82=1 Moving to Node #0,1,3 Current State: 43:[43, 1], Operations: ['58-15=43', '83-82=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 17, 20, 70, 11 ]
27
[ "20-17=3", "70+11=81", "81/3=27" ]
Current State: 27:[17, 20, 70, 11], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [70, 11, 3] Generated Node #2: [70, 11, 3] from Operation: 20-17=3 Current State: 27:[70, 11, 3], Operations: ['20-17=3'] Exploring Operation: 70+11=81, Resulting Numbers: [3, 81] Generated Node #3: [3, 81] from Operation: 70+11=81 Current State: 27:[3, 81], Operations: ['20-17=3', '70+11=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 20, 70, 11], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [17, 11, 50] Generated Node #0,0: 27:[17, 11, 50] Operation: 70-20=50 Exploring Operation: 70-17=53, Resulting Numbers: [20, 11, 53] Generated Node #0,1: 27:[20, 11, 53] Operation: 70-17=53 Moving to Node #0,0 Current State: 27:[17, 11, 50], Operations: ['70-20=50'] Exploring Operation: 50-17=33, Resulting Numbers: [11, 33] Generated Node #0,0,0: 27:[11, 33] Operation: 50-17=33 Exploring Operation: 50-11=39, Resulting Numbers: [17, 39] Generated Node #0,0,1: 27:[17, 39] Operation: 50-11=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[11, 33], Operations: ['70-20=50', '50-17=33'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[17, 39], Operations: ['70-20=50', '50-11=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,27 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: 27:[20, 11, 53], Operations: ['70-17=53'] Exploring Operation: 53-11=42, Resulting Numbers: [20, 42] Generated Node #0,1,0: 27:[20, 42] Operation: 53-11=42 Exploring Operation: 53-20=33, Resulting Numbers: [11, 33] Generated Node #0,1,1: 27:[11, 33] Operation: 53-20=33 Moving to Node #0,1,1 Current State: 27:[11, 33], Operations: ['70-17=53', '53-20=33'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[20, 42], Operations: ['70-17=53', '53-11=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,27 unequal: No Solution Exploring Operation: 20+42=62, Resulting Numbers: [62] 62,27 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 16, 69, 92, 68 ]
56
[ "16*69=1104", "1104/92=12", "68-12=56" ]
Current State: 56:[16, 69, 92, 68], Operations: [] Exploring Operation: 16*69=1104, Resulting Numbers: [92, 68, 1104] Generated Node #2: [92, 68, 1104] from Operation: 16*69=1104 Current State: 56:[92, 68, 1104], Operations: ['16*69=1104'] Exploring Operation: 1104/92=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 1104/92=12 Current State: 56:[68, 12], Operations: ['16*69=1104', '1104/92=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[16, 69, 92, 68], Operations: [] Exploring Operation: 69-16=53, Resulting Numbers: [92, 68, 53] Generated Node #0,0: 56:[92, 68, 53] Operation: 69-16=53 Exploring Operation: 92-69=23, Resulting Numbers: [16, 68, 23] Generated Node #0,1: 56:[16, 68, 23] Operation: 92-69=23 Exploring Operation: 92-16=76, Resulting Numbers: [69, 68, 76] Generated Node #0,2: 56:[69, 68, 76] Operation: 92-16=76 Exploring Operation: 92-68=24, Resulting Numbers: [16, 69, 24] Generated Node #0,3: 56:[16, 69, 24] Operation: 92-68=24 Exploring Operation: 69-68=1, Resulting Numbers: [16, 92, 1] Generated Node #0,4: 56:[16, 92, 1] Operation: 69-68=1 Moving to Node #0,1 Current State: 56:[16, 68, 23], Operations: ['92-69=23'] Exploring Operation: 23-16=7, Resulting Numbers: [68, 7] Generated Node #0,1,0: 56:[68, 7] Operation: 23-16=7 Exploring Operation: 16+23=39, Resulting Numbers: [68, 39] Generated Node #0,1,1: 56:[68, 39] Operation: 16+23=39 Exploring Operation: 16+68=84, Resulting Numbers: [23, 84] Generated Node #0,1,2: 56:[23, 84] Operation: 16+68=84 Exploring Operation: 68-23=45, Resulting Numbers: [16, 45] Generated Node #0,1,3: 56:[16, 45] Operation: 68-23=45 Exploring Operation: 68-16=52, Resulting Numbers: [23, 52] Generated Node #0,1,4: 56:[23, 52] Operation: 68-16=52 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 56:[23, 52], Operations: ['92-69=23', '68-16=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,56 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,56 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 #0,1,0 Current State: 56:[68, 7], Operations: ['92-69=23', '23-16=7'] Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 68*7=476, Resulting Numbers: [476] 476,56 unequal: No Solution Exploring Operation: 68+7=75, Resulting Numbers: [75] 75,56 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 #0,1,3 Current State: 56:[16, 45], Operations: ['92-69=23', '68-23=45'] Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,56 unequal: No Solution Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,56 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 #0,1,1 Current State: 56:[68, 39], Operations: ['92-69=23', '16+23=39'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,56 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,56 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 #0,1,2 Current State: 56:[23, 84], Operations: ['92-69=23', '16+68=84'] Exploring Operation: 23*84=1932, Resulting Numbers: [1932] 1932,56 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 23+84=107, Resulting Numbers: [107] 107,56 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: 56:[16, 69, 24], Operations: ['92-68=24'] Exploring Operation: 69-24=45, Resulting Numbers: [16, 45] Generated Node #0,3,0: 56:[16, 45] Operation: 69-24=45 Exploring Operation: 24-16=8, Resulting Numbers: [69, 8] Generated Node #0,3,1: 56:[69, 8] Operation: 24-16=8 Exploring Operation: 69-16=53, Resulting Numbers: [24, 53] Generated Node #0,3,2: 56:[24, 53] Operation: 69-16=53 Exploring Operation: 16+24=40, Resulting Numbers: [69, 40] Generated Node #0,3,3: 56:[69, 40] Operation: 16+24=40 Exploring Operation: 16+69=85, Resulting Numbers: [24, 85] Generated Node #0,3,4: 56:[24, 85] Operation: 16+69=85 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[24, 53], Operations: ['92-68=24', '69-16=53'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,56 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 #0,3,0 Current State: 56:[16, 45], Operations: ['92-68=24', '69-24=45'] Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,56 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,56 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 #0,3,1 Current State: 56:[69, 8], Operations: ['92-68=24', '24-16=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,56 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 #0,3,3 Current State: 56:[69, 40], Operations: ['92-68=24', '16+24=40'] Exploring Operation: 69*40=2760, Resulting Numbers: [2760] 2760,56 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 69+40=109, Resulting Numbers: [109] 109,56 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 #0,3,4 Current State: 56:[24, 85], Operations: ['92-68=24', '16+69=85'] Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 24*85=2040, Resulting Numbers: [2040] 2040,56 unequal: No Solution Exploring Operation: 24+85=109, Resulting Numbers: [109] 109,56 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: 56:[16, 92, 1], Operations: ['69-68=1'] Exploring Operation: 92-16=76, Resulting Numbers: [1, 76] Generated Node #0,4,0: 56:[1, 76] Operation: 92-16=76 Exploring Operation: 16/1=16, Resulting Numbers: [92, 16] Generated Node #0,4,1: 56:[92, 16] Operation: 16/1=16 Exploring Operation: 16*1=16, Resulting Numbers: [92, 16] Generated Node #0,4,2: 56:[92, 16] Operation: 16*1=16 Exploring Operation: 92-1=91, Resulting Numbers: [16, 91] Generated Node #0,4,3: 56:[16, 91] Operation: 92-1=91 Exploring Operation: 16-1=15, Resulting Numbers: [92, 15] Generated Node #0,4,4: 56:[92, 15] Operation: 16-1=15 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 56:[1, 76], Operations: ['69-68=1', '92-16=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,56 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 #0,4,3 Current State: 56:[16, 91], Operations: ['69-68=1', '92-1=91'] Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,56 unequal: No Solution Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,56 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 #0,4,4 Current State: 56:[92, 15], Operations: ['69-68=1', '16-1=15'] Exploring Operation: 92+15=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 92*15=1380, Resulting Numbers: [1380] 1380,56 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 #0,4,1 Current State: 56:[92, 16], Operations: ['69-68=1', '16/1=16'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,56 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 #0,4,2 Current State: 56:[92, 16], Operations: ['69-68=1', '16*1=16'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,56 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: 56:[69, 68, 76], Operations: ['92-16=76'] Exploring Operation: 76-69=7, Resulting Numbers: [68, 7] Generated Node #0,2,0: 56:[68, 7] Operation: 76-69=7 Exploring Operation: 76-68=8, Resulting Numbers: [69, 8] Generated Node #0,2,1: 56:[69, 8] Operation: 76-68=8 Exploring Operation: 69-68=1, Resulting Numbers: [76, 1] Generated Node #0,2,2: 56:[76, 1] Operation: 69-68=1 Exploring Operation: 69+76=145, Resulting Numbers: [68, 145] Generated Node #0,2,3: 56:[68, 145] Operation: 69+76=145 Exploring Operation: 69+68=137, Resulting Numbers: [76, 137] Generated Node #0,2,4: 56:[76, 137] Operation: 69+68=137 Moving to Node #0,0 Current State: 56:[92, 68, 53], Operations: ['69-16=53'] Exploring Operation: 92+53=145, Resulting Numbers: [68, 145] Generated Node #0,0,0: 56:[68, 145] Operation: 92+53=145 Exploring Operation: 92-68=24, Resulting Numbers: [53, 24] Generated Node #0,0,1: 56:[53, 24] Operation: 92-68=24 Exploring Operation: 68-53=15, Resulting Numbers: [92, 15] Generated Node #0,0,2: 56:[92, 15] Operation: 68-53=15 Exploring Operation: 92-53=39, Resulting Numbers: [68, 39] Generated Node #0,0,3: 56:[68, 39] Operation: 92-53=39 Exploring Operation: 68+53=121, Resulting Numbers: [92, 121] Generated Node #0,0,4: 56:[92, 121] Operation: 68+53=121 Moving to Node #0,0,1 Current State: 56:[53, 24], Operations: ['69-16=53', '92-68=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[68, 7], Operations: ['92-16=76', '76-69=7'] Exploring Operation: 68*7=476, Resulting Numbers: [476] 476,56 unequal: No Solution Exploring Operation: 68+7=75, Resulting Numbers: [75] 75,56 unequal: No Solution Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[69, 8], Operations: ['92-16=76', '76-68=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,56 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[76, 1], Operations: ['92-16=76', '69-68=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,56 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[68, 39], Operations: ['69-16=53', '92-53=39'] Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[92, 15], Operations: ['69-16=53', '68-53=15'] Exploring Operation: 92+15=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 92*15=1380, Resulting Numbers: [1380] 1380,56 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,56 unequal: No Solution Moving to Node #0,0,4 Current State: 56:[92, 121], Operations: ['69-16=53', '68+53=121'] Exploring Operation: 121-92=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 92*121=11132, Resulting Numbers: [11132] 11132,56 unequal: No Solution Exploring Operation: 92+121=213, Resulting Numbers: [213] 213,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[68, 145], Operations: ['69-16=53', '92+53=145'] Exploring Operation: 68*145=9860, Resulting Numbers: [9860] 9860,56 unequal: No Solution Exploring Operation: 145-68=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 68+145=213, Resulting Numbers: [213] 213,56 unequal: No Solution Moving to Node #0,2,4 Current State: 56:[76, 137], Operations: ['92-16=76', '69+68=137'] Exploring Operation: 76+137=213, Resulting Numbers: [213] 213,56 unequal: No Solution Exploring Operation: 76*137=10412, Resulting Numbers: [10412] 10412,56 unequal: No Solution Exploring Operation: 137-76=61, Resulting Numbers: [61] 61,56 unequal: No Solution Moving to Node #0,2,3 Current State: 56:[68, 145], Operations: ['92-16=76', '69+76=145'] Exploring Operation: 145-68=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 68+145=213, Resulting Numbers: [213] 213,56 unequal: No Solution Exploring Operation: 68*145=9860, Resulting Numbers: [9860] 9860,56 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 84, 29, 69, 67 ]
81
[ "84-29=55", "69+67=136", "136-55=81" ]
Current State: 81:[84, 29, 69, 67], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [69, 67, 55] Generated Node #2: [69, 67, 55] from Operation: 84-29=55 Current State: 81:[69, 67, 55], Operations: ['84-29=55'] Exploring Operation: 69+67=136, Resulting Numbers: [55, 136] Generated Node #3: [55, 136] from Operation: 69+67=136 Current State: 81:[55, 136], Operations: ['84-29=55', '69+67=136'] Exploring Operation: 136-55=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[84, 29, 69, 67], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [84, 29, 2] Generated Node #0,0: 81:[84, 29, 2] Operation: 69-67=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[84, 29, 2], Operations: ['69-67=2'] Exploring Operation: 84-2=82, Resulting Numbers: [29, 82] Generated Node #0,0,0: 81:[29, 82] Operation: 84-2=82 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[29, 82], Operations: ['69-67=2', '84-2=82'] Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,81 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 No solution found.
0
hs_1
sum_heuristic
[ 77, 90, 80, 85 ]
93
[ "90-85=5", "80/5=16", "77+16=93" ]
Current State: 93:[77, 90, 80, 85], Operations: [] Exploring Operation: 90-85=5, Resulting Numbers: [77, 80, 5] Generated Node #2: [77, 80, 5] from Operation: 90-85=5 Current State: 93:[77, 80, 5], Operations: ['90-85=5'] Exploring Operation: 80/5=16, Resulting Numbers: [77, 16] Generated Node #3: [77, 16] from Operation: 80/5=16 Current State: 93:[77, 16], Operations: ['90-85=5', '80/5=16'] Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[77, 90, 80, 85], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [90, 85, 3] Generated Node #0,0: 93:[90, 85, 3] Operation: 80-77=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[90, 85, 3], Operations: ['80-77=3'] Exploring Operation: 90-85=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 93:[3, 5] Operation: 90-85=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[3, 5], Operations: ['80-77=3', '90-85=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 51, 79, 21, 24 ]
96
[ "24-21=3", "51/3=17", "79+17=96" ]
Current State: 96:[51, 79, 21, 24], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [51, 79, 3] Generated Node #2: [51, 79, 3] from Operation: 24-21=3 Current State: 96:[51, 79, 3], Operations: ['24-21=3'] Exploring Operation: 51/3=17, Resulting Numbers: [79, 17] Generated Node #3: [79, 17] from Operation: 51/3=17 Current State: 96:[79, 17], Operations: ['24-21=3', '51/3=17'] Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[51, 79, 21, 24], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [51, 24, 58] Generated Node #0,0: 96:[51, 24, 58] Operation: 79-21=58 Exploring Operation: 79-51=28, Resulting Numbers: [21, 24, 28] Generated Node #0,1: 96:[21, 24, 28] Operation: 79-51=28 Exploring Operation: 79+21=100, Resulting Numbers: [51, 24, 100] Generated Node #0,2: 96:[51, 24, 100] Operation: 79+21=100 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[21, 24, 28], Operations: ['79-51=28'] Exploring Operation: 28-21=7, Resulting Numbers: [24, 7] Generated Node #0,1,0: 96:[24, 7] Operation: 28-21=7 Exploring Operation: 21+28=49, Resulting Numbers: [24, 49] Generated Node #0,1,1: 96:[24, 49] Operation: 21+28=49 Exploring Operation: 28-24=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 96:[21, 4] Operation: 28-24=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[24, 7], Operations: ['79-51=28', '28-21=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,96 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[24, 49], Operations: ['79-51=28', '21+28=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,96 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,96 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:[21, 4], Operations: ['79-51=28', '28-24=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,96 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 #0,2 Current State: 96:[51, 24, 100], Operations: ['79+21=100'] Exploring Operation: 100-24=76, Resulting Numbers: [51, 76] Generated Node #0,2,0: 96:[51, 76] Operation: 100-24=76 Exploring Operation: 51-24=27, Resulting Numbers: [100, 27] Generated Node #0,2,1: 96:[100, 27] Operation: 51-24=27 Exploring Operation: 100-51=49, Resulting Numbers: [24, 49] Generated Node #0,2,2: 96:[24, 49] Operation: 100-51=49 Moving to Node #0,2,2 Current State: 96:[24, 49], Operations: ['79+21=100', '100-51=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,96 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[100, 27], Operations: ['79+21=100', '51-24=27'] Exploring Operation: 100-27=73, Resulting Numbers: [73] 73,96 unequal: No Solution Exploring Operation: 100*27=2700, Resulting Numbers: [2700] 2700,96 unequal: No Solution Exploring Operation: 100+27=127, Resulting Numbers: [127] 127,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[51, 76], Operations: ['79+21=100', '100-24=76'] Exploring Operation: 51*76=3876, Resulting Numbers: [3876] 3876,96 unequal: No Solution Exploring Operation: 76-51=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 51+76=127, Resulting Numbers: [127] 127,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[51, 24, 58], Operations: ['79-21=58'] Exploring Operation: 58-51=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 96:[24, 7] Operation: 58-51=7 Exploring Operation: 51-24=27, Resulting Numbers: [58, 27] Generated Node #0,0,1: 96:[58, 27] Operation: 51-24=27 Exploring Operation: 58-24=34, Resulting Numbers: [51, 34] Generated Node #0,0,2: 96:[51, 34] Operation: 58-24=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[24, 7], Operations: ['79-21=58', '58-51=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,96 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[51, 34], Operations: ['79-21=58', '58-24=34'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 51*34=1734, Resulting Numbers: [1734] 1734,96 unequal: No Solution Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[58, 27], Operations: ['79-21=58', '51-24=27'] Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,96 unequal: No Solution Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,96 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 20, 54, 18, 62 ]
16
[ "20-18=2", "62-54=8", "2*8=16" ]
Current State: 16:[20, 54, 18, 62], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [54, 62, 2] Generated Node #2: [54, 62, 2] from Operation: 20-18=2 Current State: 16:[54, 62, 2], Operations: ['20-18=2'] Exploring Operation: 62-54=8, Resulting Numbers: [2, 8] Generated Node #3: [2, 8] from Operation: 62-54=8 Current State: 16:[2, 8], Operations: ['20-18=2', '62-54=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[20, 54, 18, 62], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [20, 18, 8] Generated Node #0,0: 16:[20, 18, 8] Operation: 62-54=8 Exploring Operation: 54-18=36, Resulting Numbers: [20, 62, 36] Generated Node #0,1: 16:[20, 62, 36] Operation: 54-18=36 Exploring Operation: 54/18=3, Resulting Numbers: [20, 62, 3] Generated Node #0,2: 16:[20, 62, 3] Operation: 54/18=3 Exploring Operation: 62-20=42, Resulting Numbers: [54, 18, 42] Generated Node #0,3: 16:[54, 18, 42] Operation: 62-20=42 Exploring Operation: 54-20=34, Resulting Numbers: [18, 62, 34] Generated Node #0,4: 16:[18, 62, 34] Operation: 54-20=34 Moving to Node #0,0 Current State: 16:[20, 18, 8], Operations: ['62-54=8'] Exploring Operation: 20-18=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 16:[8, 2] Operation: 20-18=2 Exploring Operation: 20-8=12, Resulting Numbers: [18, 12] Generated Node #0,0,1: 16:[18, 12] Operation: 20-8=12 Exploring Operation: 18+8=26, Resulting Numbers: [20, 26] Generated Node #0,0,2: 16:[20, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [20, 10] Generated Node #0,0,3: 16:[20, 10] Operation: 18-8=10 Exploring Operation: 20+8=28, Resulting Numbers: [18, 28] Generated Node #0,0,4: 16:[18, 28] Operation: 20+8=28 Moving to Node #0,2 Current State: 16:[20, 62, 3], Operations: ['54/18=3'] Exploring Operation: 62-3=59, Resulting Numbers: [20, 59] Generated Node #0,2,0: 16:[20, 59] Operation: 62-3=59 Exploring Operation: 20+3=23, Resulting Numbers: [62, 23] Generated Node #0,2,1: 16:[62, 23] Operation: 20+3=23 Exploring Operation: 62+3=65, Resulting Numbers: [20, 65] Generated Node #0,2,2: 16:[20, 65] Operation: 62+3=65 Exploring Operation: 20-3=17, Resulting Numbers: [62, 17] Generated Node #0,2,3: 16:[62, 17] Operation: 20-3=17 Exploring Operation: 62-20=42, Resulting Numbers: [3, 42] Generated Node #0,2,4: 16:[3, 42] Operation: 62-20=42 Moving to Node #0,3 Current State: 16:[54, 18, 42], Operations: ['62-20=42'] Exploring Operation: 54+18=72, Resulting Numbers: [42, 72] Generated Node #0,3,0: 16:[42, 72] Operation: 54+18=72 Exploring Operation: 54-42=12, Resulting Numbers: [18, 12] Generated Node #0,3,1: 16:[18, 12] Operation: 54-42=12 Exploring Operation: 54-18=36, Resulting Numbers: [42, 36] Generated Node #0,3,2: 16:[42, 36] Operation: 54-18=36 Exploring Operation: 42-18=24, Resulting Numbers: [54, 24] Generated Node #0,3,3: 16:[54, 24] Operation: 42-18=24 Exploring Operation: 54/18=3, Resulting Numbers: [42, 3] Generated Node #0,3,4: 16:[42, 3] Operation: 54/18=3 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[18, 12], Operations: ['62-20=42', '54-42=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 16:[42, 3], Operations: ['62-20=42', '54/18=3'] Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,16 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[42, 36], Operations: ['62-20=42', '54-18=36'] Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 42*36=1512, Resulting Numbers: [1512] 1512,16 unequal: No Solution Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[54, 24], Operations: ['62-20=42', '42-18=24'] Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,16 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[42, 72], Operations: ['62-20=42', '54+18=72'] Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,16 unequal: No Solution Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,16 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,16 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: 16:[18, 62, 34], Operations: ['54-20=34'] Exploring Operation: 62-34=28, Resulting Numbers: [18, 28] Generated Node #0,4,0: 16:[18, 28] Operation: 62-34=28 Exploring Operation: 34-18=16, Resulting Numbers: [62, 16] Generated Node #0,4,1: 16:[62, 16] Operation: 34-18=16 Exploring Operation: 18+62=80, Resulting Numbers: [34, 80] Generated Node #0,4,2: 16:[34, 80] Operation: 18+62=80 Exploring Operation: 18+34=52, Resulting Numbers: [62, 52] Generated Node #0,4,3: 16:[62, 52] Operation: 18+34=52 Exploring Operation: 62-18=44, Resulting Numbers: [34, 44] Generated Node #0,4,4: 16:[34, 44] Operation: 62-18=44 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 16:[18, 28], Operations: ['54-20=34', '62-34=28'] Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,16 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 16:[62, 16], Operations: ['54-20=34', '34-18=16'] Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,16 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 16:[34, 44], Operations: ['54-20=34', '62-18=44'] Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 34*44=1496, Resulting Numbers: [1496] 1496,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 16:[34, 80], Operations: ['54-20=34', '18+62=80'] Exploring Operation: 34+80=114, Resulting Numbers: [114] 114,16 unequal: No Solution Exploring Operation: 34*80=2720, Resulting Numbers: [2720] 2720,16 unequal: No Solution Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 16:[62, 52], Operations: ['54-20=34', '18+34=52'] Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 62*52=3224, Resulting Numbers: [3224] 3224,16 unequal: No Solution Exploring Operation: 62+52=114, Resulting Numbers: [114] 114,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[20, 62, 36], Operations: ['54-18=36'] Exploring Operation: 20+62=82, Resulting Numbers: [36, 82] Generated Node #0,1,0: 16:[36, 82] Operation: 20+62=82 Exploring Operation: 36-20=16, Resulting Numbers: [62, 16] Generated Node #0,1,1: 16:[62, 16] Operation: 36-20=16 Exploring Operation: 62-36=26, Resulting Numbers: [20, 26] Generated Node #0,1,2: 16:[20, 26] Operation: 62-36=26 Exploring Operation: 62-20=42, Resulting Numbers: [36, 42] Generated Node #0,1,3: 16:[36, 42] Operation: 62-20=42 Exploring Operation: 20+36=56, Resulting Numbers: [62, 56] Generated Node #0,1,4: 16:[62, 56] Operation: 20+36=56 Moving to Node #0,0,0 Current State: 16:[8, 2], Operations: ['62-54=8', '20-18=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[20, 54, 18, 62], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [20, 18, 8] Generated Node #0,0: 16:[20, 18, 8] Operation: 62-54=8 Moving to Node #0,0 Current State: 16:[20, 18, 8], Operations: ['62-54=8'] Exploring Operation: 20-18=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 16:[8, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 16:[8, 2], Operations: ['62-54=8', '20-18=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.940104
hs_5
sum_heuristic
[ 94, 97, 4, 86 ]
93
[ "97-94=3", "4+86=90", "3+90=93" ]
Current State: 93:[94, 97, 4, 86], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [4, 86, 3] Generated Node #2: [4, 86, 3] from Operation: 97-94=3 Current State: 93:[4, 86, 3], Operations: ['97-94=3'] Exploring Operation: 4+86=90, Resulting Numbers: [3, 90] Generated Node #3: [3, 90] from Operation: 4+86=90 Current State: 93:[3, 90], Operations: ['97-94=3', '4+86=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[94, 97, 4, 86], Operations: [] Exploring Operation: 4+86=90, Resulting Numbers: [94, 97, 90] Generated Node #0,0: 93:[94, 97, 90] Operation: 4+86=90 Exploring Operation: 97-4=93, Resulting Numbers: [94, 86, 93] Generated Node #0,1: 93:[94, 86, 93] Operation: 97-4=93 Exploring Operation: 97-94=3, Resulting Numbers: [4, 86, 3] Generated Node #0,2: 93:[4, 86, 3] Operation: 97-94=3 Exploring Operation: 94-86=8, Resulting Numbers: [97, 4, 8] Generated Node #0,3: 93:[97, 4, 8] Operation: 94-86=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[94, 97, 90], Operations: ['4+86=90'] Exploring Operation: 94+90=184, Resulting Numbers: [97, 184] Generated Node #0,0,0: 93:[97, 184] Operation: 94+90=184 Exploring Operation: 94-90=4, Resulting Numbers: [97, 4] Generated Node #0,0,1: 93:[97, 4] Operation: 94-90=4 Exploring Operation: 97-94=3, Resulting Numbers: [90, 3] Generated Node #0,0,2: 93:[90, 3] Operation: 97-94=3 Exploring Operation: 97-90=7, Resulting Numbers: [94, 7] Generated Node #0,0,3: 93:[94, 7] Operation: 97-90=7 Moving to Node #0,0,2 Current State: 93:[90, 3], Operations: ['4+86=90', '97-94=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 90*3=270, Resulting Numbers: [270] 270,93 unequal: No Solution Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[94, 97, 4, 86], Operations: [] Exploring Operation: 4+86=90, Resulting Numbers: [94, 97, 90] Generated Node #0,0: 93:[94, 97, 90] Operation: 4+86=90 Moving to Node #0,0 Current State: 93:[94, 97, 90], Operations: ['4+86=90'] Exploring Operation: 97-94=3, Resulting Numbers: [90, 3] Generated Node #0,0,2: 93:[90, 3] Operation: 97-94=3 Moving to Node #0,0,2 Current State: 93:[90, 3], Operations: ['4+86=90', '97-94=3'] Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 5, 21, 3, 13 ]
17
[ "5-3=2", "21+13=34", "34/2=17" ]
Current State: 17:[5, 21, 3, 13], Operations: [] Exploring Operation: 5-3=2, Resulting Numbers: [21, 13, 2] Generated Node #2: [21, 13, 2] from Operation: 5-3=2 Current State: 17:[21, 13, 2], Operations: ['5-3=2'] Exploring Operation: 21+13=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 21+13=34 Current State: 17:[2, 34], Operations: ['5-3=2', '21+13=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[5, 21, 3, 13], Operations: [] Exploring Operation: 5*3=15, Resulting Numbers: [21, 13, 15] Generated Node #0,0: 17:[21, 13, 15] Operation: 5*3=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[21, 13, 15], Operations: ['5*3=15'] Exploring Operation: 21-13=8, Resulting Numbers: [15, 8] Generated Node #0,0,0: 17:[15, 8] Operation: 21-13=8 Moving to Node #0,0,0 Current State: 17:[15, 8], Operations: ['5*3=15', '21-13=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,17 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
[ 29, 80, 33, 24 ]
100
[ "29+80=109", "33-24=9", "109-9=100" ]
Current State: 100:[29, 80, 33, 24], Operations: [] Exploring Operation: 29+80=109, Resulting Numbers: [33, 24, 109] Generated Node #2: [33, 24, 109] from Operation: 29+80=109 Current State: 100:[33, 24, 109], Operations: ['29+80=109'] Exploring Operation: 33-24=9, Resulting Numbers: [109, 9] Generated Node #3: [109, 9] from Operation: 33-24=9 Current State: 100:[109, 9], Operations: ['29+80=109', '33-24=9'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[29, 80, 33, 24], Operations: [] Exploring Operation: 80-29=51, Resulting Numbers: [33, 24, 51] Generated Node #0,0: 100:[33, 24, 51] Operation: 80-29=51 Exploring Operation: 80+24=104, Resulting Numbers: [29, 33, 104] Generated Node #0,1: 100:[29, 33, 104] Operation: 80+24=104 Exploring Operation: 80-33=47, Resulting Numbers: [29, 24, 47] Generated Node #0,2: 100:[29, 24, 47] Operation: 80-33=47 Moving to Node #0,2 Current State: 100:[29, 24, 47], Operations: ['80-33=47'] Exploring Operation: 47-29=18, Resulting Numbers: [24, 18] Generated Node #0,2,0: 100:[24, 18] Operation: 47-29=18 Exploring Operation: 29+24=53, Resulting Numbers: [47, 53] Generated Node #0,2,1: 100:[47, 53] Operation: 29+24=53 Exploring Operation: 29-24=5, Resulting Numbers: [47, 5] Generated Node #0,2,2: 100:[47, 5] Operation: 29-24=5 Moving to Node #0,0 Current State: 100:[33, 24, 51], Operations: ['80-29=51'] Exploring Operation: 33-24=9, Resulting Numbers: [51, 9] Generated Node #0,0,0: 100:[51, 9] Operation: 33-24=9 Exploring Operation: 51-33=18, Resulting Numbers: [24, 18] Generated Node #0,0,1: 100:[24, 18] Operation: 51-33=18 Exploring Operation: 33+24=57, Resulting Numbers: [51, 57] Generated Node #0,0,2: 100:[51, 57] Operation: 33+24=57 Moving to Node #0,1 Current State: 100:[29, 33, 104], Operations: ['80+24=104'] Exploring Operation: 29+33=62, Resulting Numbers: [104, 62] Generated Node #0,1,0: 100:[104, 62] Operation: 29+33=62 Exploring Operation: 33-29=4, Resulting Numbers: [104, 4] Generated Node #0,1,1: 100:[104, 4] Operation: 33-29=4 Exploring Operation: 104-33=71, Resulting Numbers: [29, 71] Generated Node #0,1,2: 100:[29, 71] Operation: 104-33=71 Moving to Node #0,0,0 Current State: 100:[51, 9], Operations: ['80-29=51', '33-24=9'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 51*9=459, Resulting Numbers: [459] 459,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[24, 18], Operations: ['80-33=47', '47-29=18'] Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 24*18=432, Resulting Numbers: [432] 432,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[24, 18], Operations: ['80-29=51', '51-33=18'] Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 24*18=432, Resulting Numbers: [432] 432,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[47, 5], Operations: ['80-33=47', '29-24=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,100 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[104, 4], Operations: ['80+24=104', '33-29=4'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[29, 80, 33, 24], Operations: [] Exploring Operation: 80+24=104, Resulting Numbers: [29, 33, 104] Generated Node #0,1: 100:[29, 33, 104] Operation: 80+24=104 Moving to Node #0,1 Current State: 100:[29, 33, 104], Operations: ['80+24=104'] Exploring Operation: 33-29=4, Resulting Numbers: [104, 4] Generated Node #0,1,1: 100:[104, 4] Operation: 33-29=4 Moving to Node #0,1,1 Current State: 100:[104, 4], Operations: ['80+24=104', '33-29=4'] Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.973958
hs_3
mult_heuristic
[ 71, 92, 20, 25 ]
65
[ "71*25=1775", "92*20=1840", "1840-1775=65" ]
Current State: 65:[71, 92, 20, 25], Operations: [] Exploring Operation: 71*25=1775, Resulting Numbers: [92, 20, 1775] Generated Node #2: [92, 20, 1775] from Operation: 71*25=1775 Current State: 65:[92, 20, 1775], Operations: ['71*25=1775'] Exploring Operation: 92*20=1840, Resulting Numbers: [1775, 1840] Generated Node #3: [1775, 1840] from Operation: 92*20=1840 Current State: 65:[1775, 1840], Operations: ['71*25=1775', '92*20=1840'] Exploring Operation: 1840-1775=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[71, 92, 20, 25], Operations: [] Exploring Operation: 92-25=67, Resulting Numbers: [71, 20, 67] Generated Node #0,0: 65:[71, 20, 67] Operation: 92-25=67 Moving to Node #0,0 Current State: 65:[71, 20, 67], Operations: ['92-25=67'] Exploring Operation: 71-67=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 65:[20, 4] Operation: 71-67=4 Moving to Node #0,0,0 Current State: 65:[20, 4], Operations: ['92-25=67', '71-67=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,65 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 54, 51, 6, 56 ]
39
[ "56-54=2", "6*2=12", "51-12=39" ]
Current State: 39:[54, 51, 6, 56], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [51, 6, 2] Generated Node #2: [51, 6, 2] from Operation: 56-54=2 Current State: 39:[51, 6, 2], Operations: ['56-54=2'] Exploring Operation: 6*2=12, Resulting Numbers: [51, 12] Generated Node #3: [51, 12] from Operation: 6*2=12 Current State: 39:[51, 12], Operations: ['56-54=2', '6*2=12'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[54, 51, 6, 56], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [51, 6, 2] Generated Node #0,0: 39:[51, 6, 2] Operation: 56-54=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[51, 6, 2], Operations: ['56-54=2'] Exploring Operation: 51-6=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 39:[2, 45] Operation: 51-6=45 Moving to Node #0,0,0 Current State: 39:[2, 45], Operations: ['56-54=2', '51-6=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,39 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
[ 36, 19, 14, 11 ]
80
[ "36+19=55", "14+11=25", "55+25=80" ]
Current State: 80:[36, 19, 14, 11], Operations: [] Exploring Operation: 36+19=55, Resulting Numbers: [14, 11, 55] Generated Node #2: [14, 11, 55] from Operation: 36+19=55 Current State: 80:[14, 11, 55], Operations: ['36+19=55'] Exploring Operation: 14+11=25, Resulting Numbers: [55, 25] Generated Node #3: [55, 25] from Operation: 14+11=25 Current State: 80:[55, 25], Operations: ['36+19=55', '14+11=25'] Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[36, 19, 14, 11], Operations: [] Exploring Operation: 19-14=5, Resulting Numbers: [36, 11, 5] Generated Node #0,0: 80:[36, 11, 5] Operation: 19-14=5 Exploring Operation: 36-14=22, Resulting Numbers: [19, 11, 22] Generated Node #0,1: 80:[19, 11, 22] Operation: 36-14=22 Exploring Operation: 36-19=17, Resulting Numbers: [14, 11, 17] Generated Node #0,2: 80:[14, 11, 17] Operation: 36-19=17 Exploring Operation: 14-11=3, Resulting Numbers: [36, 19, 3] Generated Node #0,3: 80:[36, 19, 3] Operation: 14-11=3 Exploring Operation: 19-11=8, Resulting Numbers: [36, 14, 8] Generated Node #0,4: 80:[36, 14, 8] Operation: 19-11=8 Moving to Node #0,1 Current State: 80:[19, 11, 22], Operations: ['36-14=22'] Exploring Operation: 22-19=3, Resulting Numbers: [11, 3] Generated Node #0,1,0: 80:[11, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [11, 41] Generated Node #0,1,1: 80:[11, 41] Operation: 19+22=41 Exploring Operation: 19-11=8, Resulting Numbers: [22, 8] Generated Node #0,1,2: 80:[22, 8] Operation: 19-11=8 Exploring Operation: 22/11=2, Resulting Numbers: [19, 2] Generated Node #0,1,3: 80:[19, 2] Operation: 22/11=2 Exploring Operation: 22-11=11, Resulting Numbers: [19, 11] Generated Node #0,1,4: 80:[19, 11] Operation: 22-11=11 Moving to Node #0,2 Current State: 80:[14, 11, 17], Operations: ['36-19=17'] Exploring Operation: 14+11=25, Resulting Numbers: [17, 25] Generated Node #0,2,0: 80:[17, 25] Operation: 14+11=25 Exploring Operation: 17-11=6, Resulting Numbers: [14, 6] Generated Node #0,2,1: 80:[14, 6] Operation: 17-11=6 Exploring Operation: 17-14=3, Resulting Numbers: [11, 3] Generated Node #0,2,2: 80:[11, 3] Operation: 17-14=3 Exploring Operation: 14+17=31, Resulting Numbers: [11, 31] Generated Node #0,2,3: 80:[11, 31] Operation: 14+17=31 Exploring Operation: 14-11=3, Resulting Numbers: [17, 3] Generated Node #0,2,4: 80:[17, 3] Operation: 14-11=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[11, 3], Operations: ['36-19=17', '17-14=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,80 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[17, 3], Operations: ['36-19=17', '14-11=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[14, 6], Operations: ['36-19=17', '17-11=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[17, 25], Operations: ['36-19=17', '14+11=25'] Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,80 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[11, 31], Operations: ['36-19=17', '14+17=31'] Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,80 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,80 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: 80:[36, 11, 5], Operations: ['19-14=5'] Exploring Operation: 36+5=41, Resulting Numbers: [11, 41] Generated Node #0,0,0: 80:[11, 41] Operation: 36+5=41 Exploring Operation: 11-5=6, Resulting Numbers: [36, 6] Generated Node #0,0,1: 80:[36, 6] Operation: 11-5=6 Exploring Operation: 36+11=47, Resulting Numbers: [5, 47] Generated Node #0,0,2: 80:[5, 47] Operation: 36+11=47 Exploring Operation: 36-11=25, Resulting Numbers: [5, 25] Generated Node #0,0,3: 80:[5, 25] Operation: 36-11=25 Exploring Operation: 11+5=16, Resulting Numbers: [36, 16] Generated Node #0,0,4: 80:[36, 16] Operation: 11+5=16 Moving to Node #0,3 Current State: 80:[36, 19, 3], Operations: ['14-11=3'] Exploring Operation: 36+3=39, Resulting Numbers: [19, 39] Generated Node #0,3,0: 80:[19, 39] Operation: 36+3=39 Exploring Operation: 19-3=16, Resulting Numbers: [36, 16] Generated Node #0,3,1: 80:[36, 16] Operation: 19-3=16 Exploring Operation: 19+3=22, Resulting Numbers: [36, 22] Generated Node #0,3,2: 80:[36, 22] Operation: 19+3=22 Exploring Operation: 36-19=17, Resulting Numbers: [3, 17] Generated Node #0,3,3: 80:[3, 17] Operation: 36-19=17 Exploring Operation: 36/3=12, Resulting Numbers: [19, 12] Generated Node #0,3,4: 80:[19, 12] Operation: 36/3=12 Moving to Node #0,4 Current State: 80:[36, 14, 8], Operations: ['19-11=8'] Exploring Operation: 36+8=44, Resulting Numbers: [14, 44] Generated Node #0,4,0: 80:[14, 44] Operation: 36+8=44 Exploring Operation: 14-8=6, Resulting Numbers: [36, 6] Generated Node #0,4,1: 80:[36, 6] Operation: 14-8=6 Exploring Operation: 14+8=22, Resulting Numbers: [36, 22] Generated Node #0,4,2: 80:[36, 22] Operation: 14+8=22 Exploring Operation: 36+14=50, Resulting Numbers: [8, 50] Generated Node #0,4,3: 80:[8, 50] Operation: 36+14=50 Exploring Operation: 36-14=22, Resulting Numbers: [8, 22] Generated Node #0,4,4: 80:[8, 22] Operation: 36-14=22 Moving to Node #0,1,3 Current State: 80:[19, 2], Operations: ['36-14=22', '22/11=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[11, 41], Operations: ['36-14=22', '19+22=41'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 11*41=451, Resulting Numbers: [451] 451,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[11, 41], Operations: ['19-14=5', '36+5=41'] Exploring Operation: 11*41=451, Resulting Numbers: [451] 451,80 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[3, 17], Operations: ['14-11=3', '36-19=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[11, 3], Operations: ['36-14=22', '22-19=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,80 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[19, 11], Operations: ['36-14=22', '22-11=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[19, 39], Operations: ['14-11=3', '36+3=39'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,80 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[22, 8], Operations: ['36-14=22', '19-11=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,80 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,80 unequal: No Solution Moving to Node #0,4,4 Current State: 80:[8, 22], Operations: ['19-11=8', '36-14=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[19, 12], Operations: ['14-11=3', '36/3=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,80 unequal: No Solution Moving to Node #0,0,4 Current State: 80:[36, 16], Operations: ['19-14=5', '11+5=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 36+16=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 36*16=576, Resulting Numbers: [576] 576,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[36, 16], Operations: ['14-11=3', '19-3=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 36*16=576, Resulting Numbers: [576] 576,80 unequal: No Solution Exploring Operation: 36+16=52, Resulting Numbers: [52] 52,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[36, 6], Operations: ['19-14=5', '11-5=6'] Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,80 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,80 unequal: No Solution Moving to Node #0,4,1 Current State: 80:[36, 6], Operations: ['19-11=8', '14-8=6'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,80 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[5, 25], Operations: ['19-14=5', '36-11=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,80 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,80 unequal: No Solution Moving to Node #0,4,2 Current State: 80:[36, 22], Operations: ['19-11=8', '14+8=22'] Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,80 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,80 unequal: No Solution Moving to Node #0,4,0 Current State: 80:[14, 44], Operations: ['19-11=8', '36+8=44'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,80 unequal: No Solution Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[36, 22], Operations: ['14-11=3', '19+3=22'] Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[5, 47], Operations: ['19-14=5', '36+11=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,80 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,80 unequal: No Solution Moving to Node #0,4,3 Current State: 80:[8, 50], Operations: ['19-11=8', '36+14=50'] Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,80 unequal: No Solution Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 26, 98, 31, 17 ]
24
[ "98-26=72", "31+17=48", "72-48=24" ]
Current State: 24:[26, 98, 31, 17], Operations: [] Exploring Operation: 98-26=72, Resulting Numbers: [31, 17, 72] Generated Node #2: [31, 17, 72] from Operation: 98-26=72 Current State: 24:[31, 17, 72], Operations: ['98-26=72'] Exploring Operation: 31+17=48, Resulting Numbers: [72, 48] Generated Node #3: [72, 48] from Operation: 31+17=48 Current State: 24:[72, 48], Operations: ['98-26=72', '31+17=48'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[26, 98, 31, 17], Operations: [] Exploring Operation: 98-26=72, Resulting Numbers: [31, 17, 72] Generated Node #0,0: 24:[31, 17, 72] Operation: 98-26=72 Exploring Operation: 31-17=14, Resulting Numbers: [26, 98, 14] Generated Node #0,1: 24:[26, 98, 14] Operation: 31-17=14 Exploring Operation: 98-31=67, Resulting Numbers: [26, 17, 67] Generated Node #0,2: 24:[26, 17, 67] Operation: 98-31=67 Exploring Operation: 98-17=81, Resulting Numbers: [26, 31, 81] Generated Node #0,3: 24:[26, 31, 81] Operation: 98-17=81 Exploring Operation: 31-26=5, Resulting Numbers: [98, 17, 5] Generated Node #0,4: 24:[98, 17, 5] Operation: 31-26=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[26, 17, 67], Operations: ['98-31=67'] Exploring Operation: 26-17=9, Resulting Numbers: [67, 9] Generated Node #0,2,0: 24:[67, 9] Operation: 26-17=9 Exploring Operation: 67-17=50, Resulting Numbers: [26, 50] Generated Node #0,2,1: 24:[26, 50] Operation: 67-17=50 Exploring Operation: 67-26=41, Resulting Numbers: [17, 41] Generated Node #0,2,2: 24:[17, 41] Operation: 67-26=41 Exploring Operation: 26+17=43, Resulting Numbers: [67, 43] Generated Node #0,2,3: 24:[67, 43] Operation: 26+17=43 Exploring Operation: 17+67=84, Resulting Numbers: [26, 84] Generated Node #0,2,4: 24:[26, 84] Operation: 17+67=84 Moving to Node #0,2,2 Current State: 24:[17, 41], Operations: ['98-31=67', '67-26=41'] Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,24 unequal: No Solution Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,24 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[26, 98, 31, 17], Operations: [] Exploring Operation: 98-31=67, Resulting Numbers: [26, 17, 67] Generated Node #0,2: 24:[26, 17, 67] Operation: 98-31=67 Moving to Node #0,2 Current State: 24:[26, 17, 67], Operations: ['98-31=67'] Exploring Operation: 67-26=41, Resulting Numbers: [17, 41] Generated Node #0,2,2: 24:[17, 41] Operation: 67-26=41 Moving to Node #0,2,2 Current State: 24:[17, 41], Operations: ['98-31=67', '67-26=41'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 36, 74, 37, 11 ]
63
[ "37-36=1", "74-11=63", "1*63=63" ]
Current State: 63:[36, 74, 37, 11], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [74, 11, 1] Generated Node #2: [74, 11, 1] from Operation: 37-36=1 Current State: 63:[74, 11, 1], Operations: ['37-36=1'] Exploring Operation: 74-11=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 74-11=63 Current State: 63:[1, 63], Operations: ['37-36=1', '74-11=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[36, 74, 37, 11], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [74, 11, 1] Generated Node #0,0: 63:[74, 11, 1] Operation: 37-36=1 Moving to Node #0,0 Current State: 63:[74, 11, 1], Operations: ['37-36=1'] Exploring Operation: 74-11=63, Resulting Numbers: [1, 63] Generated Node #0,0,0: 63:[1, 63] Operation: 74-11=63 Moving to Node #0,0,0 Current State: 63:[1, 63], Operations: ['37-36=1', '74-11=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[36, 74, 37, 11], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [74, 11, 1] Generated Node #0,0: 63:[74, 11, 1] Operation: 37-36=1 Moving to Node #0,0 Current State: 63:[74, 11, 1], Operations: ['37-36=1'] Exploring Operation: 74-11=63, Resulting Numbers: [1, 63] Generated Node #0,0,0: 63:[1, 63] Operation: 74-11=63 Moving to Node #0,0,0 Current State: 63:[1, 63], Operations: ['37-36=1', '74-11=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 57, 53, 82, 87 ]
19
[ "82-53=29", "57*29=1653", "1653/87=19" ]
Current State: 19:[57, 53, 82, 87], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [57, 87, 29] Generated Node #2: [57, 87, 29] from Operation: 82-53=29 Current State: 19:[57, 87, 29], Operations: ['82-53=29'] Exploring Operation: 57*29=1653, Resulting Numbers: [87, 1653] Generated Node #3: [87, 1653] from Operation: 57*29=1653 Current State: 19:[87, 1653], Operations: ['82-53=29', '57*29=1653'] Exploring Operation: 1653/87=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[57, 53, 82, 87], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [57, 53, 5] Generated Node #0,0: 19:[57, 53, 5] Operation: 87-82=5 Exploring Operation: 82-57=25, Resulting Numbers: [53, 87, 25] Generated Node #0,1: 19:[53, 87, 25] Operation: 82-57=25 Moving to Node #0,0 Current State: 19:[57, 53, 5], Operations: ['87-82=5'] Exploring Operation: 57-5=52, Resulting Numbers: [53, 52] Generated Node #0,0,0: 19:[53, 52] Operation: 57-5=52 Exploring Operation: 57-53=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 19:[5, 4] Operation: 57-53=4 Moving to Node #0,1 Current State: 19:[53, 87, 25], Operations: ['82-57=25'] Exploring Operation: 87-53=34, Resulting Numbers: [25, 34] Generated Node #0,1,0: 19:[25, 34] Operation: 87-53=34 Exploring Operation: 53-25=28, Resulting Numbers: [87, 28] Generated Node #0,1,1: 19:[87, 28] Operation: 53-25=28 Moving to Node #0,1,0 Current State: 19:[25, 34], Operations: ['82-57=25', '87-53=34'] Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,19 unequal: No Solution Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[5, 4], Operations: ['87-82=5', '57-53=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[53, 52], Operations: ['87-82=5', '57-5=52'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[87, 28], Operations: ['82-57=25', '53-25=28'] Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,19 unequal: No Solution Exploring Operation: 87+28=115, Resulting Numbers: [115] 115,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 8, 11, 1, 44 ]
64
[ "8+11=19", "1+44=45", "19+45=64" ]
Current State: 64:[8, 11, 1, 44], Operations: [] Exploring Operation: 8+11=19, Resulting Numbers: [1, 44, 19] Generated Node #2: [1, 44, 19] from Operation: 8+11=19 Current State: 64:[1, 44, 19], Operations: ['8+11=19'] Exploring Operation: 1+44=45, Resulting Numbers: [19, 45] Generated Node #3: [19, 45] from Operation: 1+44=45 Current State: 64:[19, 45], Operations: ['8+11=19', '1+44=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[8, 11, 1, 44], Operations: [] Exploring Operation: 11-8=3, Resulting Numbers: [1, 44, 3] Generated Node #0,0: 64:[1, 44, 3] Operation: 11-8=3 Exploring Operation: 11+44=55, Resulting Numbers: [8, 1, 55] Generated Node #0,1: 64:[8, 1, 55] Operation: 11+44=55 Exploring Operation: 44-11=33, Resulting Numbers: [8, 1, 33] Generated Node #0,2: 64:[8, 1, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [8, 1, 4] Generated Node #0,3: 64:[8, 1, 4] Operation: 44/11=4 Exploring Operation: 44-8=36, Resulting Numbers: [11, 1, 36] Generated Node #0,4: 64:[11, 1, 36] Operation: 44-8=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[8, 1, 4], Operations: ['44/11=4'] Exploring Operation: 8*1=8, Resulting Numbers: [4, 8] Generated Node #0,3,0: 64:[4, 8] Operation: 8*1=8 Exploring Operation: 8+1=9, Resulting Numbers: [4, 9] Generated Node #0,3,1: 64:[4, 9] Operation: 8+1=9 Exploring Operation: 1*4=4, Resulting Numbers: [8, 4] Generated Node #0,3,2: 64:[8, 4] Operation: 1*4=4 Exploring Operation: 4/1=4, Resulting Numbers: [8, 4] Generated Node #0,3,3: 64:[8, 4] Operation: 4/1=4 Exploring Operation: 8/1=8, Resulting Numbers: [4, 8] Generated Node #0,3,4: 64:[4, 8] Operation: 8/1=8 Moving to Node #0,3,0 Current State: 64:[4, 8], Operations: ['44/11=4', '8*1=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[8, 4], Operations: ['44/11=4', '4/1=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[8, 4], Operations: ['44/11=4', '1*4=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[4, 8], Operations: ['44/11=4', '8/1=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[4, 9], Operations: ['44/11=4', '8+1=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[8, 1, 33], Operations: ['44-11=33'] Exploring Operation: 33/1=33, Resulting Numbers: [8, 33] Generated Node #0,2,0: 64:[8, 33] Operation: 33/1=33 Exploring Operation: 33-1=32, Resulting Numbers: [8, 32] Generated Node #0,2,1: 64:[8, 32] Operation: 33-1=32 Exploring Operation: 8*1=8, Resulting Numbers: [33, 8] Generated Node #0,2,2: 64:[33, 8] Operation: 8*1=8 Exploring Operation: 8/1=8, Resulting Numbers: [33, 8] Generated Node #0,2,3: 64:[33, 8] Operation: 8/1=8 Exploring Operation: 1*33=33, Resulting Numbers: [8, 33] Generated Node #0,2,4: 64:[8, 33] Operation: 1*33=33 Moving to Node #0,2,1 Current State: 64:[8, 32], Operations: ['44-11=33', '33-1=32'] Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,64 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,64 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[33, 8], Operations: ['44-11=33', '8*1=8'] Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,64 unequal: No Solution Moving to Node #0,2,4 Current State: 64:[8, 33], Operations: ['44-11=33', '1*33=33'] Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[8, 33], Operations: ['44-11=33', '33/1=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,64 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[33, 8], Operations: ['44-11=33', '8/1=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 64:[11, 1, 36], Operations: ['44-8=36'] Exploring Operation: 36-1=35, Resulting Numbers: [11, 35] Generated Node #0,4,0: 64:[11, 35] Operation: 36-1=35 Exploring Operation: 11-1=10, Resulting Numbers: [36, 10] Generated Node #0,4,1: 64:[36, 10] Operation: 11-1=10 Exploring Operation: 1*36=36, Resulting Numbers: [11, 36] Generated Node #0,4,2: 64:[11, 36] Operation: 1*36=36 Exploring Operation: 11*1=11, Resulting Numbers: [36, 11] Generated Node #0,4,3: 64:[36, 11] Operation: 11*1=11 Exploring Operation: 11/1=11, Resulting Numbers: [36, 11] Generated Node #0,4,4: 64:[36, 11] Operation: 11/1=11 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 64:[11, 35], Operations: ['44-8=36', '36-1=35'] Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 64:[36, 10], Operations: ['44-8=36', '11-1=10'] Exploring Operation: 36*10=360, Resulting Numbers: [360] 360,64 unequal: No Solution Exploring Operation: 36+10=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 64:[11, 36], Operations: ['44-8=36', '1*36=36'] Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,64 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 64:[36, 11], Operations: ['44-8=36', '11*1=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,64 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 64:[36, 11], Operations: ['44-8=36', '11/1=11'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,64 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[8, 1, 55], Operations: ['11+44=55'] Exploring Operation: 1*55=55, Resulting Numbers: [8, 55] Generated Node #0,1,0: 64:[8, 55] Operation: 1*55=55 Exploring Operation: 8*1=8, Resulting Numbers: [55, 8] Generated Node #0,1,1: 64:[55, 8] Operation: 8*1=8 Exploring Operation: 8+55=63, Resulting Numbers: [1, 63] Generated Node #0,1,2: 64:[1, 63] Operation: 8+55=63 Exploring Operation: 8/1=8, Resulting Numbers: [55, 8] Generated Node #0,1,3: 64:[55, 8] Operation: 8/1=8 Exploring Operation: 1+55=56, Resulting Numbers: [8, 56] Generated Node #0,1,4: 64:[8, 56] Operation: 1+55=56 Moving to Node #0,1,2 Current State: 64:[1, 63], Operations: ['11+44=55', '8+55=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[8, 11, 1, 44], Operations: [] Exploring Operation: 11+44=55, Resulting Numbers: [8, 1, 55] Generated Node #0,1: 64:[8, 1, 55] Operation: 11+44=55 Moving to Node #0,1 Current State: 64:[8, 1, 55], Operations: ['11+44=55'] Exploring Operation: 8+55=63, Resulting Numbers: [1, 63] Generated Node #0,1,2: 64:[1, 63] Operation: 8+55=63 Moving to Node #0,1,2 Current State: 64:[1, 63], Operations: ['11+44=55', '8+55=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.929688
hs_5
mult_heuristic
[ 21, 5, 24, 77 ]
93
[ "24*77=1848", "1848/21=88", "5+88=93" ]
Current State: 93:[21, 5, 24, 77], Operations: [] Exploring Operation: 24*77=1848, Resulting Numbers: [21, 5, 1848] Generated Node #2: [21, 5, 1848] from Operation: 24*77=1848 Current State: 93:[21, 5, 1848], Operations: ['24*77=1848'] Exploring Operation: 1848/21=88, Resulting Numbers: [5, 88] Generated Node #3: [5, 88] from Operation: 1848/21=88 Current State: 93:[5, 88], Operations: ['24*77=1848', '1848/21=88'] Exploring Operation: 5+88=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[21, 5, 24, 77], Operations: [] Exploring Operation: 21+77=98, Resulting Numbers: [5, 24, 98] Generated Node #0,0: 93:[5, 24, 98] Operation: 21+77=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[5, 24, 98], Operations: ['21+77=98'] Exploring Operation: 5+24=29, Resulting Numbers: [98, 29] Generated Node #0,0,0: 93:[98, 29] Operation: 5+24=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[98, 29], Operations: ['21+77=98', '5+24=29'] Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 52, 57, 40, 24 ]
45
[ "52+57=109", "40+24=64", "109-64=45" ]
Current State: 45:[52, 57, 40, 24], Operations: [] Exploring Operation: 52+57=109, Resulting Numbers: [40, 24, 109] Generated Node #2: [40, 24, 109] from Operation: 52+57=109 Current State: 45:[40, 24, 109], Operations: ['52+57=109'] Exploring Operation: 40+24=64, Resulting Numbers: [109, 64] Generated Node #3: [109, 64] from Operation: 40+24=64 Current State: 45:[109, 64], Operations: ['52+57=109', '40+24=64'] Exploring Operation: 109-64=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[52, 57, 40, 24], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [52, 24, 17] Generated Node #0,0: 45:[52, 24, 17] Operation: 57-40=17 Exploring Operation: 52-40=12, Resulting Numbers: [57, 24, 12] Generated Node #0,1: 45:[57, 24, 12] Operation: 52-40=12 Exploring Operation: 57-52=5, Resulting Numbers: [40, 24, 5] Generated Node #0,2: 45:[40, 24, 5] Operation: 57-52=5 Exploring Operation: 40-24=16, Resulting Numbers: [52, 57, 16] Generated Node #0,3: 45:[52, 57, 16] Operation: 40-24=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[40, 24, 5], Operations: ['57-52=5'] Exploring Operation: 40-24=16, Resulting Numbers: [5, 16] Generated Node #0,2,0: 45:[5, 16] Operation: 40-24=16 Exploring Operation: 40+5=45, Resulting Numbers: [24, 45] Generated Node #0,2,1: 45:[24, 45] Operation: 40+5=45 Exploring Operation: 24-5=19, Resulting Numbers: [40, 19] Generated Node #0,2,2: 45:[40, 19] Operation: 24-5=19 Exploring Operation: 40/5=8, Resulting Numbers: [24, 8] Generated Node #0,2,3: 45:[24, 8] Operation: 40/5=8 Moving to Node #0,2,0 Current State: 45:[5, 16], Operations: ['57-52=5', '40-24=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[40, 19], Operations: ['57-52=5', '24-5=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[24, 45], Operations: ['57-52=5', '40+5=45'] Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,45 unequal: No Solution Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,45 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[24, 8], Operations: ['57-52=5', '40/5=8'] Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,45 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[52, 24, 17], Operations: ['57-40=17'] Exploring Operation: 52-17=35, Resulting Numbers: [24, 35] Generated Node #0,0,0: 45:[24, 35] Operation: 52-17=35 Exploring Operation: 24+17=41, Resulting Numbers: [52, 41] Generated Node #0,0,1: 45:[52, 41] Operation: 24+17=41 Exploring Operation: 24-17=7, Resulting Numbers: [52, 7] Generated Node #0,0,2: 45:[52, 7] Operation: 24-17=7 Exploring Operation: 52-24=28, Resulting Numbers: [17, 28] Generated Node #0,0,3: 45:[17, 28] Operation: 52-24=28 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[52, 7], Operations: ['57-40=17', '24-17=7'] Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 52*7=364, Resulting Numbers: [364] 364,45 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[52, 57, 40, 24], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [52, 24, 17] Generated Node #0,0: 45:[52, 24, 17] Operation: 57-40=17 Moving to Node #0,0 Current State: 45:[52, 24, 17], Operations: ['57-40=17'] Exploring Operation: 24-17=7, Resulting Numbers: [52, 7] Generated Node #0,0,2: 45:[52, 7] Operation: 24-17=7 Moving to Node #0,0,2 Current State: 45:[52, 7], Operations: ['57-40=17', '24-17=7'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 9, 30, 53, 51 ]
83
[ "30-9=21", "53+51=104", "104-21=83" ]
Current State: 83:[9, 30, 53, 51], Operations: [] Exploring Operation: 30-9=21, Resulting Numbers: [53, 51, 21] Generated Node #2: [53, 51, 21] from Operation: 30-9=21 Current State: 83:[53, 51, 21], Operations: ['30-9=21'] Exploring Operation: 53+51=104, Resulting Numbers: [21, 104] Generated Node #3: [21, 104] from Operation: 53+51=104 Current State: 83:[21, 104], Operations: ['30-9=21', '53+51=104'] Exploring Operation: 104-21=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[9, 30, 53, 51], Operations: [] Exploring Operation: 9+53=62, Resulting Numbers: [30, 51, 62] Generated Node #0,0: 83:[30, 51, 62] Operation: 9+53=62 Exploring Operation: 9+51=60, Resulting Numbers: [30, 53, 60] Generated Node #0,1: 83:[30, 53, 60] Operation: 9+51=60 Exploring Operation: 9+30=39, Resulting Numbers: [53, 51, 39] Generated Node #0,2: 83:[53, 51, 39] Operation: 9+30=39 Exploring Operation: 30+53=83, Resulting Numbers: [9, 51, 83] Generated Node #0,3: 83:[9, 51, 83] Operation: 30+53=83 Moving to Node #0,0 Current State: 83:[30, 51, 62], Operations: ['9+53=62'] Exploring Operation: 30+51=81, Resulting Numbers: [62, 81] Generated Node #0,0,0: 83:[62, 81] Operation: 30+51=81 Exploring Operation: 51-30=21, Resulting Numbers: [62, 21] Generated Node #0,0,1: 83:[62, 21] Operation: 51-30=21 Exploring Operation: 62-30=32, Resulting Numbers: [51, 32] Generated Node #0,0,2: 83:[51, 32] Operation: 62-30=32 Exploring Operation: 30+62=92, Resulting Numbers: [51, 92] Generated Node #0,0,3: 83:[51, 92] Operation: 30+62=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[62, 81], Operations: ['9+53=62', '30+51=81'] Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 62*81=5022, Resulting Numbers: [5022] 5022,83 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[51, 92], Operations: ['9+53=62', '30+62=92'] Exploring Operation: 51*92=4692, Resulting Numbers: [4692] 4692,83 unequal: No Solution Exploring Operation: 51+92=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[62, 21], Operations: ['9+53=62', '51-30=21'] Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,83 unequal: No Solution Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[9, 30, 53, 51], Operations: [] Exploring Operation: 9+53=62, Resulting Numbers: [30, 51, 62] Generated Node #0,0: 83:[30, 51, 62] Operation: 9+53=62 Moving to Node #0,0 Current State: 83:[30, 51, 62], Operations: ['9+53=62'] Exploring Operation: 51-30=21, Resulting Numbers: [62, 21] Generated Node #0,0,1: 83:[62, 21] Operation: 51-30=21 Moving to Node #0,0,1 Current State: 83:[62, 21], Operations: ['9+53=62', '51-30=21'] Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 2, 81, 76, 79 ]
89
[ "81-76=5", "2*5=10", "79+10=89" ]
Current State: 89:[2, 81, 76, 79], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [2, 79, 5] Generated Node #2: [2, 79, 5] from Operation: 81-76=5 Current State: 89:[2, 79, 5], Operations: ['81-76=5'] Exploring Operation: 2*5=10, Resulting Numbers: [79, 10] Generated Node #3: [79, 10] from Operation: 2*5=10 Current State: 89:[79, 10], Operations: ['81-76=5', '2*5=10'] Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[2, 81, 76, 79], Operations: [] Exploring Operation: 2+76=78, Resulting Numbers: [81, 79, 78] Generated Node #0,0: 89:[81, 79, 78] Operation: 2+76=78 Exploring Operation: 2+81=83, Resulting Numbers: [76, 79, 83] Generated Node #0,1: 89:[76, 79, 83] Operation: 2+81=83 Moving to Node #0,0 Current State: 89:[81, 79, 78], Operations: ['2+76=78'] Exploring Operation: 79+78=157, Resulting Numbers: [81, 157] Generated Node #0,0,0: 89:[81, 157] Operation: 79+78=157 Exploring Operation: 81+78=159, Resulting Numbers: [79, 159] Generated Node #0,0,1: 89:[79, 159] Operation: 81+78=159 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[81, 157], Operations: ['2+76=78', '79+78=157'] Exploring Operation: 157-81=76, Resulting Numbers: [76] 76,89 unequal: No Solution Exploring Operation: 81+157=238, Resulting Numbers: [238] 238,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[79, 159], Operations: ['2+76=78', '81+78=159'] Exploring Operation: 159-79=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 79+159=238, Resulting Numbers: [238] 238,89 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: 89:[76, 79, 83], Operations: ['2+81=83'] Exploring Operation: 76+83=159, Resulting Numbers: [79, 159] Generated Node #0,1,0: 89:[79, 159] Operation: 76+83=159 Exploring Operation: 76+79=155, Resulting Numbers: [83, 155] Generated Node #0,1,1: 89:[83, 155] Operation: 76+79=155 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[83, 155], Operations: ['2+81=83', '76+79=155'] Exploring Operation: 83+155=238, Resulting Numbers: [238] 238,89 unequal: No Solution Exploring Operation: 155-83=72, Resulting Numbers: [72] 72,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[79, 159], Operations: ['2+81=83', '76+83=159'] Exploring Operation: 79+159=238, Resulting Numbers: [238] 238,89 unequal: No Solution Exploring Operation: 159-79=80, Resulting Numbers: [80] 80,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 56, 92, 80 ]
88
[ "20+56=76", "92-80=12", "76+12=88" ]
Current State: 88:[20, 56, 92, 80], Operations: [] Exploring Operation: 20+56=76, Resulting Numbers: [92, 80, 76] Generated Node #2: [92, 80, 76] from Operation: 20+56=76 Current State: 88:[92, 80, 76], Operations: ['20+56=76'] Exploring Operation: 92-80=12, Resulting Numbers: [76, 12] Generated Node #3: [76, 12] from Operation: 92-80=12 Current State: 88:[76, 12], Operations: ['20+56=76', '92-80=12'] Exploring Operation: 76+12=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[20, 56, 92, 80], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [20, 56, 12] Generated Node #0,0: 88:[20, 56, 12] Operation: 92-80=12 Exploring Operation: 80-56=24, Resulting Numbers: [20, 92, 24] Generated Node #0,1: 88:[20, 92, 24] Operation: 80-56=24 Exploring Operation: 80/20=4, Resulting Numbers: [56, 92, 4] Generated Node #0,2: 88:[56, 92, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[20, 92, 24], Operations: ['80-56=24'] Exploring Operation: 92-20=72, Resulting Numbers: [24, 72] Generated Node #0,1,0: 88:[24, 72] Operation: 92-20=72 Exploring Operation: 24-20=4, Resulting Numbers: [92, 4] Generated Node #0,1,1: 88:[92, 4] Operation: 24-20=4 Exploring Operation: 20+24=44, Resulting Numbers: [92, 44] Generated Node #0,1,2: 88:[92, 44] Operation: 20+24=44 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[92, 4], Operations: ['80-56=24', '24-20=4'] Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[20, 56, 92, 80], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [20, 92, 24] Generated Node #0,1: 88:[20, 92, 24] Operation: 80-56=24 Moving to Node #0,1 Current State: 88:[20, 92, 24], Operations: ['80-56=24'] Exploring Operation: 24-20=4, Resulting Numbers: [92, 4] Generated Node #0,1,1: 88:[92, 4] Operation: 24-20=4 Moving to Node #0,1,1 Current State: 88:[92, 4], Operations: ['80-56=24', '24-20=4'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 42, 25, 2, 52 ]
42
[ "52/2=26", "26-25=1", "42*1=42" ]
Current State: 42:[42, 25, 2, 52], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [42, 25, 26] Generated Node #2: [42, 25, 26] from Operation: 52/2=26 Current State: 42:[42, 25, 26], Operations: ['52/2=26'] Exploring Operation: 26-25=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 26-25=1 Current State: 42:[42, 1], Operations: ['52/2=26', '26-25=1'] Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[42, 25, 2, 52], Operations: [] Exploring Operation: 52-25=27, Resulting Numbers: [42, 2, 27] Generated Node #0,0: 42:[42, 2, 27] Operation: 52-25=27 Exploring Operation: 52-42=10, Resulting Numbers: [25, 2, 10] Generated Node #0,1: 42:[25, 2, 10] Operation: 52-42=10 Moving to Node #0,0 Current State: 42:[42, 2, 27], Operations: ['52-25=27'] Exploring Operation: 42-27=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 42:[2, 15] Operation: 42-27=15 Exploring Operation: 27-2=25, Resulting Numbers: [42, 25] Generated Node #0,0,1: 42:[42, 25] Operation: 27-2=25 Moving to Node #0,1 Current State: 42:[25, 2, 10], Operations: ['52-42=10'] Exploring Operation: 25-10=15, Resulting Numbers: [2, 15] Generated Node #0,1,0: 42:[2, 15] Operation: 25-10=15 Exploring Operation: 25-2=23, Resulting Numbers: [10, 23] Generated Node #0,1,1: 42:[10, 23] Operation: 25-2=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[2, 15], Operations: ['52-42=10', '25-10=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[10, 23], Operations: ['52-42=10', '25-2=23'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 42:[2, 15], Operations: ['52-25=27', '42-27=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[42, 25], Operations: ['52-25=27', '27-2=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,42 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 11, 51, 99, 61 ]
99
[ "11+51=62", "62-61=1", "99*1=99" ]
Current State: 99:[11, 51, 99, 61], Operations: [] Exploring Operation: 11+51=62, Resulting Numbers: [99, 61, 62] Generated Node #2: [99, 61, 62] from Operation: 11+51=62 Current State: 99:[99, 61, 62], Operations: ['11+51=62'] Exploring Operation: 62-61=1, Resulting Numbers: [99, 1] Generated Node #3: [99, 1] from Operation: 62-61=1 Current State: 99:[99, 1], Operations: ['11+51=62', '62-61=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[11, 51, 99, 61], Operations: [] Exploring Operation: 51+61=112, Resulting Numbers: [11, 99, 112] Generated Node #0,0: 99:[11, 99, 112] Operation: 51+61=112 Exploring Operation: 61-51=10, Resulting Numbers: [11, 99, 10] Generated Node #0,1: 99:[11, 99, 10] Operation: 61-51=10 Moving to Node #0,1 Current State: 99:[11, 99, 10], Operations: ['61-51=10'] Exploring Operation: 11-10=1, Resulting Numbers: [99, 1] Generated Node #0,1,0: 99:[99, 1] Operation: 11-10=1 Exploring Operation: 99/11=9, Resulting Numbers: [10, 9] Generated Node #0,1,1: 99:[10, 9] Operation: 99/11=9 Moving to Node #0,0 Current State: 99:[11, 99, 112], Operations: ['51+61=112'] Exploring Operation: 112-99=13, Resulting Numbers: [11, 13] Generated Node #0,0,0: 99:[11, 13] Operation: 112-99=13 Exploring Operation: 112-11=101, Resulting Numbers: [99, 101] Generated Node #0,0,1: 99:[99, 101] Operation: 112-11=101 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[11, 13], Operations: ['51+61=112', '112-99=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[99, 101], Operations: ['51+61=112', '112-11=101'] Exploring Operation: 99+101=200, Resulting Numbers: [200] 200,99 unequal: No Solution Exploring Operation: 101-99=2, Resulting Numbers: [2] 2,99 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: 99:[10, 9], Operations: ['61-51=10', '99/11=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[99, 1], Operations: ['61-51=10', '11-10=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[11, 51, 99, 61], Operations: [] Exploring Operation: 61-51=10, Resulting Numbers: [11, 99, 10] Generated Node #0,1: 99:[11, 99, 10] Operation: 61-51=10 Moving to Node #0,1 Current State: 99:[11, 99, 10], Operations: ['61-51=10'] Exploring Operation: 11-10=1, Resulting Numbers: [99, 1] Generated Node #0,1,0: 99:[99, 1] Operation: 11-10=1 Moving to Node #0,1,0 Current State: 99:[99, 1], Operations: ['61-51=10', '11-10=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 87, 61, 37, 50 ]
46
[ "87+61=148", "148/37=4", "50-4=46" ]
Current State: 46:[87, 61, 37, 50], Operations: [] Exploring Operation: 87+61=148, Resulting Numbers: [37, 50, 148] Generated Node #2: [37, 50, 148] from Operation: 87+61=148 Current State: 46:[37, 50, 148], Operations: ['87+61=148'] Exploring Operation: 148/37=4, Resulting Numbers: [50, 4] Generated Node #3: [50, 4] from Operation: 148/37=4 Current State: 46:[50, 4], Operations: ['87+61=148', '148/37=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[87, 61, 37, 50], Operations: [] Exploring Operation: 87-61=26, Resulting Numbers: [37, 50, 26] Generated Node #0,0: 46:[37, 50, 26] Operation: 87-61=26 Exploring Operation: 87-37=50, Resulting Numbers: [61, 50, 50] Generated Node #0,1: 46:[61, 50, 50] Operation: 87-37=50 Moving to Node #0,0 Current State: 46:[37, 50, 26], Operations: ['87-61=26'] Exploring Operation: 50-37=13, Resulting Numbers: [26, 13] Generated Node #0,0,0: 46:[26, 13] Operation: 50-37=13 Exploring Operation: 50-26=24, Resulting Numbers: [37, 24] Generated Node #0,0,1: 46:[37, 24] Operation: 50-26=24 Moving to Node #0,1 Current State: 46:[61, 50, 50], Operations: ['87-37=50'] Exploring Operation: 61-50=11, Resulting Numbers: [50, 11] Generated Node #0,1,0: 46:[50, 11] Operation: 61-50=11 Exploring Operation: 61-50=11, Resulting Numbers: [50, 11] Generated Node #0,1,1: 46:[50, 11] Operation: 61-50=11 Moving to Node #0,0,1 Current State: 46:[37, 24], Operations: ['87-61=26', '50-26=24'] Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[50, 11], Operations: ['87-37=50', '61-50=11'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[26, 13], Operations: ['87-61=26', '50-37=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[50, 11], Operations: ['87-37=50', '61-50=11'] Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,46 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 82, 29, 3, 91 ]
23
[ "82+29=111", "91-3=88", "111-88=23" ]
Current State: 23:[82, 29, 3, 91], Operations: [] Exploring Operation: 82+29=111, Resulting Numbers: [3, 91, 111] Generated Node #2: [3, 91, 111] from Operation: 82+29=111 Current State: 23:[3, 91, 111], Operations: ['82+29=111'] Exploring Operation: 91-3=88, Resulting Numbers: [111, 88] Generated Node #3: [111, 88] from Operation: 91-3=88 Current State: 23:[111, 88], Operations: ['82+29=111', '91-3=88'] Exploring Operation: 111-88=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[82, 29, 3, 91], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [3, 91, 53] Generated Node #0,0: 23:[3, 91, 53] Operation: 82-29=53 Exploring Operation: 91-82=9, Resulting Numbers: [29, 3, 9] Generated Node #0,1: 23:[29, 3, 9] Operation: 91-82=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[29, 3, 9], Operations: ['91-82=9'] Exploring Operation: 29-3=26, Resulting Numbers: [9, 26] Generated Node #0,1,0: 23:[9, 26] Operation: 29-3=26 Exploring Operation: 3*9=27, Resulting Numbers: [29, 27] Generated Node #0,1,1: 23:[29, 27] Operation: 3*9=27 Moving to Node #0,1,1 Current State: 23:[29, 27], Operations: ['91-82=9', '3*9=27'] Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[9, 26], Operations: ['91-82=9', '29-3=26'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[3, 91, 53], Operations: ['82-29=53'] Exploring Operation: 91-53=38, Resulting Numbers: [3, 38] Generated Node #0,0,0: 23:[3, 38] Operation: 91-53=38 Exploring Operation: 91-3=88, Resulting Numbers: [53, 88] Generated Node #0,0,1: 23:[53, 88] Operation: 91-3=88 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[3, 38], Operations: ['82-29=53', '91-53=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,23 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 #0,0,1 Current State: 23:[53, 88], Operations: ['82-29=53', '91-3=88'] Exploring Operation: 53+88=141, Resulting Numbers: [141] 141,23 unequal: No Solution Exploring Operation: 88-53=35, Resulting Numbers: [35] 35,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 37, 16, 56, 20 ]
17
[ "37+16=53", "56-20=36", "53-36=17" ]
Current State: 17:[37, 16, 56, 20], Operations: [] Exploring Operation: 37+16=53, Resulting Numbers: [56, 20, 53] Generated Node #2: [56, 20, 53] from Operation: 37+16=53 Current State: 17:[56, 20, 53], Operations: ['37+16=53'] Exploring Operation: 56-20=36, Resulting Numbers: [53, 36] Generated Node #3: [53, 36] from Operation: 56-20=36 Current State: 17:[53, 36], Operations: ['37+16=53', '56-20=36'] Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[37, 16, 56, 20], Operations: [] Exploring Operation: 56-37=19, Resulting Numbers: [16, 20, 19] Generated Node #0,0: 17:[16, 20, 19] Operation: 56-37=19 Exploring Operation: 37-16=21, Resulting Numbers: [56, 20, 21] Generated Node #0,1: 17:[56, 20, 21] Operation: 37-16=21 Exploring Operation: 56-20=36, Resulting Numbers: [37, 16, 36] Generated Node #0,2: 17:[37, 16, 36] Operation: 56-20=36 Exploring Operation: 37-20=17, Resulting Numbers: [16, 56, 17] Generated Node #0,3: 17:[16, 56, 17] Operation: 37-20=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[16, 20, 19], Operations: ['56-37=19'] Exploring Operation: 20-16=4, Resulting Numbers: [19, 4] Generated Node #0,0,0: 17:[19, 4] Operation: 20-16=4 Exploring Operation: 20-19=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 17:[16, 1] Operation: 20-19=1 Exploring Operation: 16+20=36, Resulting Numbers: [19, 36] Generated Node #0,0,2: 17:[19, 36] Operation: 16+20=36 Exploring Operation: 19-16=3, Resulting Numbers: [20, 3] Generated Node #0,0,3: 17:[20, 3] Operation: 19-16=3 Moving to Node #0,0,0 Current State: 17:[19, 4], Operations: ['56-37=19', '20-16=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,17 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[20, 3], Operations: ['56-37=19', '19-16=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[37, 16, 56, 20], Operations: [] Exploring Operation: 56-37=19, Resulting Numbers: [16, 20, 19] Generated Node #0,0: 17:[16, 20, 19] Operation: 56-37=19 Moving to Node #0,0 Current State: 17:[16, 20, 19], Operations: ['56-37=19'] Exploring Operation: 19-16=3, Resulting Numbers: [20, 3] Generated Node #0,0,3: 17:[20, 3] Operation: 19-16=3 Moving to Node #0,0,3 Current State: 17:[20, 3], Operations: ['56-37=19', '19-16=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 60, 2, 14, 22 ]
26
[ "60+2=62", "14+22=36", "62-36=26" ]
Current State: 26:[60, 2, 14, 22], Operations: [] Exploring Operation: 60+2=62, Resulting Numbers: [14, 22, 62] Generated Node #2: [14, 22, 62] from Operation: 60+2=62 Current State: 26:[14, 22, 62], Operations: ['60+2=62'] Exploring Operation: 14+22=36, Resulting Numbers: [62, 36] Generated Node #3: [62, 36] from Operation: 14+22=36 Current State: 26:[62, 36], Operations: ['60+2=62', '14+22=36'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[60, 2, 14, 22], Operations: [] Exploring Operation: 60-14=46, Resulting Numbers: [2, 22, 46] Generated Node #0,0: 26:[2, 22, 46] Operation: 60-14=46 Exploring Operation: 60/2=30, Resulting Numbers: [14, 22, 30] Generated Node #0,1: 26:[14, 22, 30] Operation: 60/2=30 Exploring Operation: 2+22=24, Resulting Numbers: [60, 14, 24] Generated Node #0,2: 26:[60, 14, 24] Operation: 2+22=24 Exploring Operation: 60-22=38, Resulting Numbers: [2, 14, 38] Generated Node #0,3: 26:[2, 14, 38] Operation: 60-22=38 Exploring Operation: 60-2=58, Resulting Numbers: [14, 22, 58] Generated Node #0,4: 26:[14, 22, 58] Operation: 60-2=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[14, 22, 30], Operations: ['60/2=30'] Exploring Operation: 30-22=8, Resulting Numbers: [14, 8] Generated Node #0,1,0: 26:[14, 8] Operation: 30-22=8 Exploring Operation: 14+22=36, Resulting Numbers: [30, 36] Generated Node #0,1,1: 26:[30, 36] Operation: 14+22=36 Exploring Operation: 14+30=44, Resulting Numbers: [22, 44] Generated Node #0,1,2: 26:[22, 44] Operation: 14+30=44 Exploring Operation: 30-14=16, Resulting Numbers: [22, 16] Generated Node #0,1,3: 26:[22, 16] Operation: 30-14=16 Exploring Operation: 22-14=8, Resulting Numbers: [30, 8] Generated Node #0,1,4: 26:[30, 8] Operation: 22-14=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[14, 8], Operations: ['60/2=30', '30-22=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,26 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,26 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 #0,1,3 Current State: 26:[22, 16], Operations: ['60/2=30', '30-14=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,26 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,26 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 #0,1,4 Current State: 26:[30, 8], Operations: ['60/2=30', '22-14=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 30*8=240, Resulting Numbers: [240] 240,26 unequal: No Solution Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,26 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:[30, 36], Operations: ['60/2=30', '14+22=36'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,26 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[22, 44], Operations: ['60/2=30', '14+30=44'] Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 22*44=968, Resulting Numbers: [968] 968,26 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,26 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 #0,3 Current State: 26:[2, 14, 38], Operations: ['60-22=38'] Exploring Operation: 38-14=24, Resulting Numbers: [2, 24] Generated Node #0,3,0: 26:[2, 24] Operation: 38-14=24 Exploring Operation: 38/2=19, Resulting Numbers: [14, 19] Generated Node #0,3,1: 26:[14, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [14, 36] Generated Node #0,3,2: 26:[14, 36] Operation: 38-2=36 Exploring Operation: 2*14=28, Resulting Numbers: [38, 28] Generated Node #0,3,3: 26:[38, 28] Operation: 2*14=28 Exploring Operation: 14-2=12, Resulting Numbers: [38, 12] Generated Node #0,3,4: 26:[38, 12] Operation: 14-2=12 Moving to Node #0,3,0 Current State: 26:[2, 24], Operations: ['60-22=38', '38-14=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[60, 2, 14, 22], Operations: [] Exploring Operation: 60-22=38, Resulting Numbers: [2, 14, 38] Generated Node #0,3: 26:[2, 14, 38] Operation: 60-22=38 Moving to Node #0,3 Current State: 26:[2, 14, 38], Operations: ['60-22=38'] Exploring Operation: 38-14=24, Resulting Numbers: [2, 24] Generated Node #0,3,0: 26:[2, 24] Operation: 38-14=24 Moving to Node #0,3,0 Current State: 26:[2, 24], Operations: ['60-22=38', '38-14=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 41, 3, 16, 97 ]
37
[ "41+3=44", "97-16=81", "81-44=37" ]
Current State: 37:[41, 3, 16, 97], Operations: [] Exploring Operation: 41+3=44, Resulting Numbers: [16, 97, 44] Generated Node #2: [16, 97, 44] from Operation: 41+3=44 Current State: 37:[16, 97, 44], Operations: ['41+3=44'] Exploring Operation: 97-16=81, Resulting Numbers: [44, 81] Generated Node #3: [44, 81] from Operation: 97-16=81 Current State: 37:[44, 81], Operations: ['41+3=44', '97-16=81'] Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[41, 3, 16, 97], Operations: [] Exploring Operation: 41-3=38, Resulting Numbers: [16, 97, 38] Generated Node #0,0: 37:[16, 97, 38] Operation: 41-3=38 Exploring Operation: 3+16=19, Resulting Numbers: [41, 97, 19] Generated Node #0,1: 37:[41, 97, 19] Operation: 3+16=19 Exploring Operation: 3*16=48, Resulting Numbers: [41, 97, 48] Generated Node #0,2: 37:[41, 97, 48] Operation: 3*16=48 Exploring Operation: 97-41=56, Resulting Numbers: [3, 16, 56] Generated Node #0,3: 37:[3, 16, 56] Operation: 97-41=56 Moving to Node #0,3 Current State: 37:[3, 16, 56], Operations: ['97-41=56'] Exploring Operation: 3+16=19, Resulting Numbers: [56, 19] Generated Node #0,3,0: 37:[56, 19] Operation: 3+16=19 Exploring Operation: 56-3=53, Resulting Numbers: [16, 53] Generated Node #0,3,1: 37:[16, 53] Operation: 56-3=53 Exploring Operation: 3*16=48, Resulting Numbers: [56, 48] Generated Node #0,3,2: 37:[56, 48] Operation: 3*16=48 Exploring Operation: 56-16=40, Resulting Numbers: [3, 40] Generated Node #0,3,3: 37:[3, 40] Operation: 56-16=40 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[56, 48], Operations: ['97-41=56', '3*16=48'] Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,37 unequal: No Solution Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,37 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,37 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:[56, 19], Operations: ['97-41=56', '3+16=19'] Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[41, 3, 16, 97], Operations: [] Exploring Operation: 97-41=56, Resulting Numbers: [3, 16, 56] Generated Node #0,3: 37:[3, 16, 56] Operation: 97-41=56 Moving to Node #0,3 Current State: 37:[3, 16, 56], Operations: ['97-41=56'] Exploring Operation: 3+16=19, Resulting Numbers: [56, 19] Generated Node #0,3,0: 37:[56, 19] Operation: 3+16=19 Moving to Node #0,3,0 Current State: 37:[56, 19], Operations: ['97-41=56', '3+16=19'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 96, 91, 94, 71 ]
75
[ "96-71=25", "94-91=3", "25*3=75" ]
Current State: 75:[96, 91, 94, 71], Operations: [] Exploring Operation: 96-71=25, Resulting Numbers: [91, 94, 25] Generated Node #2: [91, 94, 25] from Operation: 96-71=25 Current State: 75:[91, 94, 25], Operations: ['96-71=25'] Exploring Operation: 94-91=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 94-91=3 Current State: 75:[25, 3], Operations: ['96-71=25', '94-91=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[96, 91, 94, 71], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [96, 71, 3] Generated Node #0,0: 75:[96, 71, 3] Operation: 94-91=3 Exploring Operation: 96-91=5, Resulting Numbers: [94, 71, 5] Generated Node #0,1: 75:[94, 71, 5] Operation: 96-91=5 Exploring Operation: 96-94=2, Resulting Numbers: [91, 71, 2] Generated Node #0,2: 75:[91, 71, 2] Operation: 96-94=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[91, 71, 2], Operations: ['96-94=2'] Exploring Operation: 71+2=73, Resulting Numbers: [91, 73] Generated Node #0,2,0: 75:[91, 73] Operation: 71+2=73 Exploring Operation: 91-71=20, Resulting Numbers: [2, 20] Generated Node #0,2,1: 75:[2, 20] Operation: 91-71=20 Exploring Operation: 91-2=89, Resulting Numbers: [71, 89] Generated Node #0,2,2: 75:[71, 89] Operation: 91-2=89 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[2, 20], Operations: ['96-94=2', '91-71=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[91, 73], Operations: ['96-94=2', '71+2=73'] Exploring Operation: 91+73=164, Resulting Numbers: [164] 164,75 unequal: No Solution Exploring Operation: 91*73=6643, Resulting Numbers: [6643] 6643,75 unequal: No Solution Exploring Operation: 91-73=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[71, 89], Operations: ['96-94=2', '91-2=89'] Exploring Operation: 71+89=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 71*89=6319, Resulting Numbers: [6319] 6319,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[94, 71, 5], Operations: ['96-91=5'] Exploring Operation: 94-71=23, Resulting Numbers: [5, 23] Generated Node #0,1,0: 75:[5, 23] Operation: 94-71=23 Exploring Operation: 71+5=76, Resulting Numbers: [94, 76] Generated Node #0,1,1: 75:[94, 76] Operation: 71+5=76 Exploring Operation: 94-5=89, Resulting Numbers: [71, 89] Generated Node #0,1,2: 75:[71, 89] Operation: 94-5=89 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[5, 23], Operations: ['96-91=5', '94-71=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,75 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[71, 89], Operations: ['96-91=5', '94-5=89'] Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 71*89=6319, Resulting Numbers: [6319] 6319,75 unequal: No Solution Exploring Operation: 71+89=160, Resulting Numbers: [160] 160,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[94, 76], Operations: ['96-91=5', '71+5=76'] Exploring Operation: 94+76=170, Resulting Numbers: [170] 170,75 unequal: No Solution Exploring Operation: 94*76=7144, Resulting Numbers: [7144] 7144,75 unequal: No Solution Exploring Operation: 94-76=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[96, 71, 3], Operations: ['94-91=3'] Exploring Operation: 96-3=93, Resulting Numbers: [71, 93] Generated Node #0,0,0: 75:[71, 93] Operation: 96-3=93 Exploring Operation: 96-71=25, Resulting Numbers: [3, 25] Generated Node #0,0,1: 75:[3, 25] Operation: 96-71=25 Exploring Operation: 96/3=32, Resulting Numbers: [71, 32] Generated Node #0,0,2: 75:[71, 32] Operation: 96/3=32 Moving to Node #0,0,1 Current State: 75:[3, 25], Operations: ['94-91=3', '96-71=25'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[96, 91, 94, 71], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [96, 71, 3] Generated Node #0,0: 75:[96, 71, 3] Operation: 94-91=3 Moving to Node #0,0 Current State: 75:[96, 71, 3], Operations: ['94-91=3'] Exploring Operation: 96-71=25, Resulting Numbers: [3, 25] Generated Node #0,0,1: 75:[3, 25] Operation: 96-71=25 Moving to Node #0,0,1 Current State: 75:[3, 25], Operations: ['94-91=3', '96-71=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 46, 20, 81, 44 ]
29
[ "46+20=66", "81-44=37", "66-37=29" ]
Current State: 29:[46, 20, 81, 44], Operations: [] Exploring Operation: 46+20=66, Resulting Numbers: [81, 44, 66] Generated Node #2: [81, 44, 66] from Operation: 46+20=66 Current State: 29:[81, 44, 66], Operations: ['46+20=66'] Exploring Operation: 81-44=37, Resulting Numbers: [66, 37] Generated Node #3: [66, 37] from Operation: 81-44=37 Current State: 29:[66, 37], Operations: ['46+20=66', '81-44=37'] Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[46, 20, 81, 44], Operations: [] Exploring Operation: 81-44=37, Resulting Numbers: [46, 20, 37] Generated Node #0,0: 29:[46, 20, 37] Operation: 81-44=37 Exploring Operation: 81-46=35, Resulting Numbers: [20, 44, 35] Generated Node #0,1: 29:[20, 44, 35] Operation: 81-46=35 Exploring Operation: 81-20=61, Resulting Numbers: [46, 44, 61] Generated Node #0,2: 29:[46, 44, 61] Operation: 81-20=61 Moving to Node #0,1 Current State: 29:[20, 44, 35], Operations: ['81-46=35'] Exploring Operation: 35-20=15, Resulting Numbers: [44, 15] Generated Node #0,1,0: 29:[44, 15] Operation: 35-20=15 Exploring Operation: 44-20=24, Resulting Numbers: [35, 24] Generated Node #0,1,1: 29:[35, 24] Operation: 44-20=24 Exploring Operation: 44-35=9, Resulting Numbers: [20, 9] Generated Node #0,1,2: 29:[20, 9] Operation: 44-35=9 Moving to Node #0,0 Current State: 29:[46, 20, 37], Operations: ['81-44=37'] Exploring Operation: 46-37=9, Resulting Numbers: [20, 9] Generated Node #0,0,0: 29:[20, 9] Operation: 46-37=9 Exploring Operation: 46-20=26, Resulting Numbers: [37, 26] Generated Node #0,0,1: 29:[37, 26] Operation: 46-20=26 Exploring Operation: 37-20=17, Resulting Numbers: [46, 17] Generated Node #0,0,2: 29:[46, 17] Operation: 37-20=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[37, 26], Operations: ['81-44=37', '46-20=26'] Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,29 unequal: No Solution Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[20, 9], Operations: ['81-44=37', '46-37=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[46, 20, 81, 44], Operations: [] Exploring Operation: 81-44=37, Resulting Numbers: [46, 20, 37] Generated Node #0,0: 29:[46, 20, 37] Operation: 81-44=37 Moving to Node #0,0 Current State: 29:[46, 20, 37], Operations: ['81-44=37'] Exploring Operation: 46-37=9, Resulting Numbers: [20, 9] Generated Node #0,0,0: 29:[20, 9] Operation: 46-37=9 Moving to Node #0,0,0 Current State: 29:[20, 9], Operations: ['81-44=37', '46-37=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 59, 24, 16, 16 ]
51
[ "59+24=83", "16+16=32", "83-32=51" ]
Current State: 51:[59, 24, 16, 16], Operations: [] Exploring Operation: 59+24=83, Resulting Numbers: [16, 16, 83] Generated Node #2: [16, 16, 83] from Operation: 59+24=83 Current State: 51:[16, 16, 83], Operations: ['59+24=83'] Exploring Operation: 16+16=32, Resulting Numbers: [83, 32] Generated Node #3: [83, 32] from Operation: 16+16=32 Current State: 51:[83, 32], Operations: ['59+24=83', '16+16=32'] Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[59, 24, 16, 16], Operations: [] Exploring Operation: 59-16=43, Resulting Numbers: [24, 16, 43] Generated Node #0,0: 51:[24, 16, 43] Operation: 59-16=43 Exploring Operation: 24-16=8, Resulting Numbers: [59, 16, 8] Generated Node #0,1: 51:[59, 16, 8] Operation: 24-16=8 Exploring Operation: 59-16=43, Resulting Numbers: [24, 16, 43] Generated Node #0,2: 51:[24, 16, 43] Operation: 59-16=43 Exploring Operation: 24-16=8, Resulting Numbers: [59, 16, 8] Generated Node #0,3: 51:[59, 16, 8] Operation: 24-16=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[59, 16, 8], Operations: ['24-16=8'] Exploring Operation: 16-8=8, Resulting Numbers: [59, 8] Generated Node #0,1,0: 51:[59, 8] Operation: 16-8=8 Exploring Operation: 59-8=51, Resulting Numbers: [16, 51] Generated Node #0,1,1: 51:[16, 51] Operation: 59-8=51 Exploring Operation: 16/8=2, Resulting Numbers: [59, 2] Generated Node #0,1,2: 51:[59, 2] Operation: 16/8=2 Exploring Operation: 59-16=43, Resulting Numbers: [8, 43] Generated Node #0,1,3: 51:[8, 43] Operation: 59-16=43 Moving to Node #0,1,1 Current State: 51:[16, 51], Operations: ['24-16=8', '59-8=51'] Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,51 unequal: No Solution Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[59, 2], Operations: ['24-16=8', '16/8=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,51 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[8, 43], Operations: ['24-16=8', '59-16=43'] Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,51 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[59, 24, 16, 16], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [59, 16, 8] Generated Node #0,1: 51:[59, 16, 8] Operation: 24-16=8 Moving to Node #0,1 Current State: 51:[59, 16, 8], Operations: ['24-16=8'] Exploring Operation: 59-16=43, Resulting Numbers: [8, 43] Generated Node #0,1,3: 51:[8, 43] Operation: 59-16=43 Moving to Node #0,1,3 Current State: 51:[8, 43], Operations: ['24-16=8', '59-16=43'] Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 32, 20, 68, 83 ]
78
[ "32+68=100", "100/20=5", "83-5=78" ]
Current State: 78:[32, 20, 68, 83], Operations: [] Exploring Operation: 32+68=100, Resulting Numbers: [20, 83, 100] Generated Node #2: [20, 83, 100] from Operation: 32+68=100 Current State: 78:[20, 83, 100], Operations: ['32+68=100'] Exploring Operation: 100/20=5, Resulting Numbers: [83, 5] Generated Node #3: [83, 5] from Operation: 100/20=5 Current State: 78:[83, 5], Operations: ['32+68=100', '100/20=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[32, 20, 68, 83], Operations: [] Exploring Operation: 68-32=36, Resulting Numbers: [20, 83, 36] Generated Node #0,0: 78:[20, 83, 36] Operation: 68-32=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[20, 83, 36], Operations: ['68-32=36'] Exploring Operation: 36-20=16, Resulting Numbers: [83, 16] Generated Node #0,0,0: 78:[83, 16] Operation: 36-20=16 Moving to Node #0,0,0 Current State: 78:[83, 16], Operations: ['68-32=36', '36-20=16'] Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 77, 8, 34, 62 ]
27
[ "77-8=69", "34+62=96", "96-69=27" ]
Current State: 27:[77, 8, 34, 62], Operations: [] Exploring Operation: 77-8=69, Resulting Numbers: [34, 62, 69] Generated Node #2: [34, 62, 69] from Operation: 77-8=69 Current State: 27:[34, 62, 69], Operations: ['77-8=69'] Exploring Operation: 34+62=96, Resulting Numbers: [69, 96] Generated Node #3: [69, 96] from Operation: 34+62=96 Current State: 27:[69, 96], Operations: ['77-8=69', '34+62=96'] Exploring Operation: 96-69=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[77, 8, 34, 62], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [8, 62, 43] Generated Node #0,0: 27:[8, 62, 43] Operation: 77-34=43 Exploring Operation: 77-62=15, Resulting Numbers: [8, 34, 15] Generated Node #0,1: 27:[8, 34, 15] Operation: 77-62=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[8, 34, 15], Operations: ['77-62=15'] Exploring Operation: 34-8=26, Resulting Numbers: [15, 26] Generated Node #0,1,0: 27:[15, 26] Operation: 34-8=26 Exploring Operation: 15-8=7, Resulting Numbers: [34, 7] Generated Node #0,1,1: 27:[34, 7] Operation: 15-8=7 Moving to Node #0,1,0 Current State: 27:[15, 26], Operations: ['77-62=15', '34-8=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[34, 7], Operations: ['77-62=15', '15-8=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[77, 8, 34, 62], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [8, 34, 15] Generated Node #0,1: 27:[8, 34, 15] Operation: 77-62=15 Moving to Node #0,1 Current State: 27:[8, 34, 15], Operations: ['77-62=15'] Exploring Operation: 15-8=7, Resulting Numbers: [34, 7] Generated Node #0,1,1: 27:[34, 7] Operation: 15-8=7 Moving to Node #0,1,1 Current State: 27:[34, 7], Operations: ['77-62=15', '15-8=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 14, 14, 83, 21 ]
85
[ "21-14=7", "14/7=2", "83+2=85" ]
Current State: 85:[14, 14, 83, 21], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [83, 7] Generated Node #2: [83, 7] from Operation: 21-14=7 Current State: 85:[83, 7], Operations: ['21-14=7'] Exploring Operation: 14/7=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 14/7=2 Current State: 85:[83, 2], Operations: ['21-14=7', '14/7=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[14, 14, 83, 21], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [14, 83, 7] Generated Node #0,0: 85:[14, 83, 7] Operation: 21-14=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[14, 83, 7], Operations: ['21-14=7'] Exploring Operation: 14-7=7, Resulting Numbers: [83, 7] Generated Node #0,0,0: 85:[83, 7] Operation: 14-7=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[83, 7], Operations: ['21-14=7', '14-7=7'] Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,85 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
mult_heuristic
[ 37, 95, 25, 15 ]
98
[ "95-37=58", "25+15=40", "58+40=98" ]
Current State: 98:[37, 95, 25, 15], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [25, 15, 58] Generated Node #2: [25, 15, 58] from Operation: 95-37=58 Current State: 98:[25, 15, 58], Operations: ['95-37=58'] Exploring Operation: 25+15=40, Resulting Numbers: [58, 40] Generated Node #3: [58, 40] from Operation: 25+15=40 Current State: 98:[58, 40], Operations: ['95-37=58', '25+15=40'] Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[37, 95, 25, 15], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [95, 15, 12] Generated Node #0,0: 98:[95, 15, 12] Operation: 37-25=12 Exploring Operation: 37+25=62, Resulting Numbers: [95, 15, 62] Generated Node #0,1: 98:[95, 15, 62] Operation: 37+25=62 Exploring Operation: 25-15=10, Resulting Numbers: [37, 95, 10] Generated Node #0,2: 98:[37, 95, 10] Operation: 25-15=10 Exploring Operation: 37+15=52, Resulting Numbers: [95, 25, 52] Generated Node #0,3: 98:[95, 25, 52] Operation: 37+15=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[95, 15, 12], Operations: ['37-25=12'] Exploring Operation: 15-12=3, Resulting Numbers: [95, 3] Generated Node #0,0,0: 98:[95, 3] Operation: 15-12=3 Exploring Operation: 95+15=110, Resulting Numbers: [12, 110] Generated Node #0,0,1: 98:[12, 110] Operation: 95+15=110 Exploring Operation: 95-12=83, Resulting Numbers: [15, 83] Generated Node #0,0,2: 98:[15, 83] Operation: 95-12=83 Exploring Operation: 95+12=107, Resulting Numbers: [15, 107] Generated Node #0,0,3: 98:[15, 107] Operation: 95+12=107 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[95, 3], Operations: ['37-25=12', '15-12=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[37, 95, 25, 15], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [95, 15, 12] Generated Node #0,0: 98:[95, 15, 12] Operation: 37-25=12 Moving to Node #0,0 Current State: 98:[95, 15, 12], Operations: ['37-25=12'] Exploring Operation: 15-12=3, Resulting Numbers: [95, 3] Generated Node #0,0,0: 98:[95, 3] Operation: 15-12=3 Moving to Node #0,0,0 Current State: 98:[95, 3], Operations: ['37-25=12', '15-12=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 91, 6, 93, 10 ]
26
[ "93-91=2", "10*2=20", "6+20=26" ]
Current State: 26:[91, 6, 93, 10], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [6, 10, 2] Generated Node #2: [6, 10, 2] from Operation: 93-91=2 Current State: 26:[6, 10, 2], Operations: ['93-91=2'] Exploring Operation: 10*2=20, Resulting Numbers: [6, 20] Generated Node #3: [6, 20] from Operation: 10*2=20 Current State: 26:[6, 20], Operations: ['93-91=2', '10*2=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[91, 6, 93, 10], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [6, 10, 2] Generated Node #0,0: 26:[6, 10, 2] Operation: 93-91=2 Moving to Node #0,0 Current State: 26:[6, 10, 2], Operations: ['93-91=2'] Exploring Operation: 10-6=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 26:[2, 4] Operation: 10-6=4 Moving to Node #0,0,0 Current State: 26:[2, 4], Operations: ['93-91=2', '10-6=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,26 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 33, 97, 34, 42 ]
72
[ "97-33=64", "42-34=8", "64+8=72" ]
Current State: 72:[33, 97, 34, 42], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [34, 42, 64] Generated Node #2: [34, 42, 64] from Operation: 97-33=64 Current State: 72:[34, 42, 64], Operations: ['97-33=64'] Exploring Operation: 42-34=8, Resulting Numbers: [64, 8] Generated Node #3: [64, 8] from Operation: 42-34=8 Current State: 72:[64, 8], Operations: ['97-33=64', '42-34=8'] Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[33, 97, 34, 42], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [34, 42, 64] Generated Node #0,0: 72:[34, 42, 64] Operation: 97-33=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[34, 42, 64], Operations: ['97-33=64'] Exploring Operation: 64-42=22, Resulting Numbers: [34, 22] Generated Node #0,0,0: 72:[34, 22] Operation: 64-42=22 Moving to Node #0,0,0 Current State: 72:[34, 22], Operations: ['97-33=64', '64-42=22'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,72 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
[ 89, 96, 72, 8 ]
86
[ "96-72=24", "24/8=3", "89-3=86" ]
Current State: 86:[89, 96, 72, 8], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [89, 8, 24] Generated Node #2: [89, 8, 24] from Operation: 96-72=24 Current State: 86:[89, 8, 24], Operations: ['96-72=24'] Exploring Operation: 24/8=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 24/8=3 Current State: 86:[89, 3], Operations: ['96-72=24', '24/8=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[89, 96, 72, 8], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [89, 96, 9] Generated Node #0,0: 86:[89, 96, 9] Operation: 72/8=9 Exploring Operation: 96-8=88, Resulting Numbers: [89, 72, 88] Generated Node #0,1: 86:[89, 72, 88] Operation: 96-8=88 Exploring Operation: 72+8=80, Resulting Numbers: [89, 96, 80] Generated Node #0,2: 86:[89, 96, 80] Operation: 72+8=80 Exploring Operation: 96-89=7, Resulting Numbers: [72, 8, 7] Generated Node #0,3: 86:[72, 8, 7] Operation: 96-89=7 Moving to Node #0,1 Current State: 86:[89, 72, 88], Operations: ['96-8=88'] Exploring Operation: 89-72=17, Resulting Numbers: [88, 17] Generated Node #0,1,0: 86:[88, 17] Operation: 89-72=17 Exploring Operation: 89+72=161, Resulting Numbers: [88, 161] Generated Node #0,1,1: 86:[88, 161] Operation: 89+72=161 Exploring Operation: 88-72=16, Resulting Numbers: [89, 16] Generated Node #0,1,2: 86:[89, 16] Operation: 88-72=16 Exploring Operation: 89-88=1, Resulting Numbers: [72, 1] Generated Node #0,1,3: 86:[72, 1] Operation: 89-88=1 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[72, 1], Operations: ['96-8=88', '89-88=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[88, 17], Operations: ['96-8=88', '89-72=17'] Exploring Operation: 88+17=105, Resulting Numbers: [105] 105,86 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 88*17=1496, Resulting Numbers: [1496] 1496,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[89, 16], Operations: ['96-8=88', '88-72=16'] Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,86 unequal: No Solution Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,86 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[88, 161], Operations: ['96-8=88', '89+72=161'] Exploring Operation: 88+161=249, Resulting Numbers: [249] 249,86 unequal: No Solution Exploring Operation: 161-88=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 88*161=14168, Resulting Numbers: [14168] 14168,86 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: 86:[89, 96, 80], Operations: ['72+8=80'] Exploring Operation: 96-80=16, Resulting Numbers: [89, 16] Generated Node #0,2,0: 86:[89, 16] Operation: 96-80=16 Exploring Operation: 89+80=169, Resulting Numbers: [96, 169] Generated Node #0,2,1: 86:[96, 169] Operation: 89+80=169 Exploring Operation: 89-80=9, Resulting Numbers: [96, 9] Generated Node #0,2,2: 86:[96, 9] Operation: 89-80=9 Exploring Operation: 96-89=7, Resulting Numbers: [80, 7] Generated Node #0,2,3: 86:[80, 7] Operation: 96-89=7 Moving to Node #0,0 Current State: 86:[89, 96, 9], Operations: ['72/8=9'] Exploring Operation: 96-89=7, Resulting Numbers: [9, 7] Generated Node #0,0,0: 86:[9, 7] Operation: 96-89=7 Exploring Operation: 89+9=98, Resulting Numbers: [96, 98] Generated Node #0,0,1: 86:[96, 98] Operation: 89+9=98 Exploring Operation: 89-9=80, Resulting Numbers: [96, 80] Generated Node #0,0,2: 86:[96, 80] Operation: 89-9=80 Exploring Operation: 96-9=87, Resulting Numbers: [89, 87] Generated Node #0,0,3: 86:[89, 87] Operation: 96-9=87 Moving to Node #0,3 Current State: 86:[72, 8, 7], Operations: ['96-89=7'] Exploring Operation: 72/8=9, Resulting Numbers: [7, 9] Generated Node #0,3,0: 86:[7, 9] Operation: 72/8=9 Exploring Operation: 72+7=79, Resulting Numbers: [8, 79] Generated Node #0,3,1: 86:[8, 79] Operation: 72+7=79 Exploring Operation: 72+8=80, Resulting Numbers: [7, 80] Generated Node #0,3,2: 86:[7, 80] Operation: 72+8=80 Exploring Operation: 8-7=1, Resulting Numbers: [72, 1] Generated Node #0,3,3: 86:[72, 1] Operation: 8-7=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[7, 80], Operations: ['96-89=7', '72+8=80'] Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,86 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[7, 9], Operations: ['96-89=7', '72/8=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,86 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[8, 79], Operations: ['96-89=7', '72+7=79'] Exploring Operation: 8*79=632, Resulting Numbers: [632] 632,86 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 8+79=87, Resulting Numbers: [87] 87,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 86:[72, 1], Operations: ['96-89=7', '8-7=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 86:[89, 87], Operations: ['72/8=9', '96-9=87'] Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,86 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,86 unequal: No Solution Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,86 unequal: No Solution Moving to Node #0,2,3 Current State: 86:[80, 7], Operations: ['72+8=80', '96-89=7'] Exploring Operation: 80*7=560, Resulting Numbers: [560] 560,86 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 80+7=87, Resulting Numbers: [87] 87,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[9, 7], Operations: ['72/8=9', '96-89=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,86 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,86 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[96, 80], Operations: ['72/8=9', '89-9=80'] Exploring Operation: 96*80=7680, Resulting Numbers: [7680] 7680,86 unequal: No Solution Exploring Operation: 96+80=176, Resulting Numbers: [176] 176,86 unequal: No Solution Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[96, 9], Operations: ['72+8=80', '89-80=9'] Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,86 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,86 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[89, 16], Operations: ['72+8=80', '96-80=16'] Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,86 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[96, 98], Operations: ['72/8=9', '89+9=98'] Exploring Operation: 96*98=9408, Resulting Numbers: [9408] 9408,86 unequal: No Solution Exploring Operation: 96+98=194, Resulting Numbers: [194] 194,86 unequal: No Solution Exploring Operation: 98-96=2, Resulting Numbers: [2] 2,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[96, 169], Operations: ['72+8=80', '89+80=169'] Exploring Operation: 96*169=16224, Resulting Numbers: [16224] 16224,86 unequal: No Solution Exploring Operation: 96+169=265, Resulting Numbers: [265] 265,86 unequal: No Solution Exploring Operation: 169-96=73, Resulting Numbers: [73] 73,86 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 80, 65, 5, 65 ]
80
[ "65-65=0", "5*0=0", "80+0=80" ]
Current State: 80:[80, 65, 5, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [80, 5, 0] Generated Node #2: [80, 5, 0] from Operation: 65-65=0 Current State: 80:[80, 5, 0], Operations: ['65-65=0'] Exploring Operation: 5*0=0, Resulting Numbers: [80, 0] Generated Node #3: [80, 0] from Operation: 5*0=0 Current State: 80:[80, 0], Operations: ['65-65=0', '5*0=0'] Exploring Operation: 80+0=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[80, 65, 5, 65], Operations: [] Exploring Operation: 65/65=1, Resulting Numbers: [80, 5, 1] Generated Node #0,0: 80:[80, 5, 1] Operation: 65/65=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[80, 5, 1], Operations: ['65/65=1'] Exploring Operation: 80*1=80, Resulting Numbers: [5, 80] Generated Node #0,0,0: 80:[5, 80] Operation: 80*1=80 Moving to Node #0,0,0 Current State: 80:[5, 80], Operations: ['65/65=1', '80*1=80'] Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,80 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
[ 72, 31, 18, 63 ]
36
[ "72/18=4", "63-31=32", "4+32=36" ]
Current State: 36:[72, 31, 18, 63], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [31, 63, 4] Generated Node #2: [31, 63, 4] from Operation: 72/18=4 Current State: 36:[31, 63, 4], Operations: ['72/18=4'] Exploring Operation: 63-31=32, Resulting Numbers: [4, 32] Generated Node #3: [4, 32] from Operation: 63-31=32 Current State: 36:[4, 32], Operations: ['72/18=4', '63-31=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[72, 31, 18, 63], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [31, 63, 4] Generated Node #0,0: 36:[31, 63, 4] Operation: 72/18=4 Exploring Operation: 72-18=54, Resulting Numbers: [31, 63, 54] Generated Node #0,1: 36:[31, 63, 54] Operation: 72-18=54 Exploring Operation: 72-63=9, Resulting Numbers: [31, 18, 9] Generated Node #0,2: 36:[31, 18, 9] Operation: 72-63=9 Exploring Operation: 72-31=41, Resulting Numbers: [18, 63, 41] Generated Node #0,3: 36:[18, 63, 41] Operation: 72-31=41 Exploring Operation: 63-31=32, Resulting Numbers: [72, 18, 32] Generated Node #0,4: 36:[72, 18, 32] Operation: 63-31=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[31, 18, 9], Operations: ['72-63=9'] Exploring Operation: 18/9=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 36:[31, 2] Operation: 18/9=2 Exploring Operation: 31-9=22, Resulting Numbers: [18, 22] Generated Node #0,2,1: 36:[18, 22] Operation: 31-9=22 Exploring Operation: 31+9=40, Resulting Numbers: [18, 40] Generated Node #0,2,2: 36:[18, 40] Operation: 31+9=40 Exploring Operation: 18-9=9, Resulting Numbers: [31, 9] Generated Node #0,2,3: 36:[31, 9] Operation: 18-9=9 Exploring Operation: 31-18=13, Resulting Numbers: [9, 13] Generated Node #0,2,4: 36:[9, 13] Operation: 31-18=13 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 36:[9, 13], Operations: ['72-63=9', '31-18=13'] Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,36 unequal: No Solution No 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: 36:[18, 22], Operations: ['72-63=9', '31-9=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,36 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,36 unequal: No Solution No 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: 36:[18, 40], Operations: ['72-63=9', '31+9=40'] Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,36 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,36 unequal: No Solution No 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: 36:[31, 2], Operations: ['72-63=9', '18/9=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,36 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,36 unequal: No Solution No 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: 36:[31, 9], Operations: ['72-63=9', '18-9=9'] Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,36 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: 36:[31, 63, 4], Operations: ['72/18=4'] Exploring Operation: 31-4=27, Resulting Numbers: [63, 27] Generated Node #0,0,0: 36:[63, 27] Operation: 31-4=27 Exploring Operation: 63+4=67, Resulting Numbers: [31, 67] Generated Node #0,0,1: 36:[31, 67] Operation: 63+4=67 Exploring Operation: 63-4=59, Resulting Numbers: [31, 59] Generated Node #0,0,2: 36:[31, 59] Operation: 63-4=59 Exploring Operation: 31+4=35, Resulting Numbers: [63, 35] Generated Node #0,0,3: 36:[63, 35] Operation: 31+4=35 Exploring Operation: 63-31=32, Resulting Numbers: [4, 32] Generated Node #0,0,4: 36:[4, 32] Operation: 63-31=32 Moving to Node #0,0,4 Current State: 36:[4, 32], Operations: ['72/18=4', '63-31=32'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,36 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[72, 31, 18, 63], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [31, 63, 4] Generated Node #0,0: 36:[31, 63, 4] Operation: 72/18=4 Moving to Node #0,0 Current State: 36:[31, 63, 4], Operations: ['72/18=4'] Exploring Operation: 63-31=32, Resulting Numbers: [4, 32] Generated Node #0,0,4: 36:[4, 32] Operation: 63-31=32 Moving to Node #0,0,4 Current State: 36:[4, 32], Operations: ['72/18=4', '63-31=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 25, 78, 68, 44 ]
79
[ "25+78=103", "68-44=24", "103-24=79" ]
Current State: 79:[25, 78, 68, 44], Operations: [] Exploring Operation: 25+78=103, Resulting Numbers: [68, 44, 103] Generated Node #2: [68, 44, 103] from Operation: 25+78=103 Current State: 79:[68, 44, 103], Operations: ['25+78=103'] Exploring Operation: 68-44=24, Resulting Numbers: [103, 24] Generated Node #3: [103, 24] from Operation: 68-44=24 Current State: 79:[103, 24], Operations: ['25+78=103', '68-44=24'] Exploring Operation: 103-24=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[25, 78, 68, 44], Operations: [] Exploring Operation: 25+44=69, Resulting Numbers: [78, 68, 69] Generated Node #0,0: 79:[78, 68, 69] Operation: 25+44=69 Exploring Operation: 25+78=103, Resulting Numbers: [68, 44, 103] Generated Node #0,1: 79:[68, 44, 103] Operation: 25+78=103 Exploring Operation: 25+68=93, Resulting Numbers: [78, 44, 93] Generated Node #0,2: 79:[78, 44, 93] Operation: 25+68=93 Moving to Node #0,0 Current State: 79:[78, 68, 69], Operations: ['25+44=69'] Exploring Operation: 78+68=146, Resulting Numbers: [69, 146] Generated Node #0,0,0: 79:[69, 146] Operation: 78+68=146 Exploring Operation: 68+69=137, Resulting Numbers: [78, 137] Generated Node #0,0,1: 79:[78, 137] Operation: 68+69=137 Exploring Operation: 78-68=10, Resulting Numbers: [69, 10] Generated Node #0,0,2: 79:[69, 10] Operation: 78-68=10 Moving to Node #0,2 Current State: 79:[78, 44, 93], Operations: ['25+68=93'] Exploring Operation: 78-44=34, Resulting Numbers: [93, 34] Generated Node #0,2,0: 79:[93, 34] Operation: 78-44=34 Exploring Operation: 78+44=122, Resulting Numbers: [93, 122] Generated Node #0,2,1: 79:[93, 122] Operation: 78+44=122 Exploring Operation: 93-44=49, Resulting Numbers: [78, 49] Generated Node #0,2,2: 79:[78, 49] Operation: 93-44=49 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 79:[78, 49], Operations: ['25+68=93', '93-44=49'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,79 unequal: No Solution Exploring Operation: 78*49=3822, Resulting Numbers: [3822] 3822,79 unequal: No Solution Exploring Operation: 78+49=127, Resulting Numbers: [127] 127,79 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 #0,2,1 Current State: 79:[93, 122], Operations: ['25+68=93', '78+44=122'] Exploring Operation: 93*122=11346, Resulting Numbers: [11346] 11346,79 unequal: No Solution Exploring Operation: 122-93=29, Resulting Numbers: [29] 29,79 unequal: No Solution Exploring Operation: 93+122=215, Resulting Numbers: [215] 215,79 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 #0,2,0 Current State: 79:[93, 34], Operations: ['25+68=93', '78-44=34'] Exploring Operation: 93*34=3162, Resulting Numbers: [3162] 3162,79 unequal: No Solution Exploring Operation: 93+34=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,79 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: 79:[68, 44, 103], Operations: ['25+78=103'] Exploring Operation: 68-44=24, Resulting Numbers: [103, 24] Generated Node #0,1,0: 79:[103, 24] Operation: 68-44=24 Exploring Operation: 103-44=59, Resulting Numbers: [68, 59] Generated Node #0,1,1: 79:[68, 59] Operation: 103-44=59 Exploring Operation: 68+44=112, Resulting Numbers: [103, 112] Generated Node #0,1,2: 79:[103, 112] Operation: 68+44=112 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[68, 59], Operations: ['25+78=103', '103-44=59'] Exploring Operation: 68+59=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 68*59=4012, Resulting Numbers: [4012] 4012,79 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 #0,1,2 Current State: 79:[103, 112], Operations: ['25+78=103', '68+44=112'] Exploring Operation: 103*112=11536, Resulting Numbers: [11536] 11536,79 unequal: No Solution Exploring Operation: 112-103=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 103+112=215, Resulting Numbers: [215] 215,79 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:[103, 24], Operations: ['25+78=103', '68-44=24'] Exploring Operation: 103*24=2472, Resulting Numbers: [2472] 2472,79 unequal: No Solution Exploring Operation: 103+24=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 103-24=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[25, 78, 68, 44], Operations: [] Exploring Operation: 25+78=103, Resulting Numbers: [68, 44, 103] Generated Node #0,1: 79:[68, 44, 103] Operation: 25+78=103 Moving to Node #0,1 Current State: 79:[68, 44, 103], Operations: ['25+78=103'] Exploring Operation: 68-44=24, Resulting Numbers: [103, 24] Generated Node #0,1,0: 79:[103, 24] Operation: 68-44=24 Moving to Node #0,1,0 Current State: 79:[103, 24], Operations: ['25+78=103', '68-44=24'] Exploring Operation: 103-24=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_3
sum_heuristic
[ 38, 10, 88, 86 ]
86
[ "86-10=76", "76/38=2", "88-2=86" ]
Current State: 86:[38, 10, 88, 86], Operations: [] Exploring Operation: 86-10=76, Resulting Numbers: [38, 88, 76] Generated Node #2: [38, 88, 76] from Operation: 86-10=76 Current State: 86:[38, 88, 76], Operations: ['86-10=76'] Exploring Operation: 76/38=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 76/38=2 Current State: 86:[88, 2], Operations: ['86-10=76', '76/38=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[38, 10, 88, 86], Operations: [] Exploring Operation: 38+10=48, Resulting Numbers: [88, 86, 48] Generated Node #0,0: 86:[88, 86, 48] Operation: 38+10=48 Exploring Operation: 88-38=50, Resulting Numbers: [10, 86, 50] Generated Node #0,1: 86:[10, 86, 50] Operation: 88-38=50 Exploring Operation: 86-38=48, Resulting Numbers: [10, 88, 48] Generated Node #0,2: 86:[10, 88, 48] Operation: 86-38=48 Exploring Operation: 88-10=78, Resulting Numbers: [38, 86, 78] Generated Node #0,3: 86:[38, 86, 78] Operation: 88-10=78 Exploring Operation: 88-86=2, Resulting Numbers: [38, 10, 2] Generated Node #0,4: 86:[38, 10, 2] Operation: 88-86=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[88, 86, 48], Operations: ['38+10=48'] Exploring Operation: 86-48=38, Resulting Numbers: [88, 38] Generated Node #0,0,0: 86:[88, 38] Operation: 86-48=38 Exploring Operation: 88-48=40, Resulting Numbers: [86, 40] Generated Node #0,0,1: 86:[86, 40] Operation: 88-48=40 Exploring Operation: 86+48=134, Resulting Numbers: [88, 134] Generated Node #0,0,2: 86:[88, 134] Operation: 86+48=134 Exploring Operation: 88+48=136, Resulting Numbers: [86, 136] Generated Node #0,0,3: 86:[86, 136] Operation: 88+48=136 Exploring Operation: 88-86=2, Resulting Numbers: [48, 2] Generated Node #0,0,4: 86:[48, 2] Operation: 88-86=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[86, 40], Operations: ['38+10=48', '88-48=40'] Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 86:[48, 2], Operations: ['38+10=48', '88-86=2'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[88, 38], Operations: ['38+10=48', '86-48=38'] Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,86 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 86:[88, 134], Operations: ['38+10=48', '86+48=134'] Exploring Operation: 134-88=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 88+134=222, Resulting Numbers: [222] 222,86 unequal: No Solution Exploring Operation: 88*134=11792, Resulting Numbers: [11792] 11792,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 86:[86, 136], Operations: ['38+10=48', '88+48=136'] Exploring Operation: 136-86=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 86+136=222, Resulting Numbers: [222] 222,86 unequal: No Solution Exploring Operation: 86*136=11696, Resulting Numbers: [11696] 11696,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[38, 86, 78], Operations: ['88-10=78'] Exploring Operation: 86-38=48, Resulting Numbers: [78, 48] Generated Node #0,3,0: 86:[78, 48] Operation: 86-38=48 Exploring Operation: 38+78=116, Resulting Numbers: [86, 116] Generated Node #0,3,1: 86:[86, 116] Operation: 38+78=116 Exploring Operation: 78-38=40, Resulting Numbers: [86, 40] Generated Node #0,3,2: 86:[86, 40] Operation: 78-38=40 Exploring Operation: 38+86=124, Resulting Numbers: [78, 124] Generated Node #0,3,3: 86:[78, 124] Operation: 38+86=124 Exploring Operation: 86-78=8, Resulting Numbers: [38, 8] Generated Node #0,3,4: 86:[38, 8] Operation: 86-78=8 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 86:[86, 40], Operations: ['88-10=78', '78-38=40'] Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 86:[38, 8], Operations: ['88-10=78', '86-78=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,86 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 86:[78, 48], Operations: ['88-10=78', '86-38=48'] Exploring Operation: 78+48=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 78*48=3744, Resulting Numbers: [3744] 3744,86 unequal: No Solution Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 86:[86, 116], Operations: ['88-10=78', '38+78=116'] Exploring Operation: 86+116=202, Resulting Numbers: [202] 202,86 unequal: No Solution Exploring Operation: 116-86=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 86*116=9976, Resulting Numbers: [9976] 9976,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 86:[78, 124], Operations: ['88-10=78', '38+86=124'] Exploring Operation: 78*124=9672, Resulting Numbers: [9672] 9672,86 unequal: No Solution Exploring Operation: 78+124=202, Resulting Numbers: [202] 202,86 unequal: No Solution Exploring Operation: 124-78=46, Resulting Numbers: [46] 46,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 86:[38, 10, 2], Operations: ['88-86=2'] Exploring Operation: 38+2=40, Resulting Numbers: [10, 40] Generated Node #0,4,0: 86:[10, 40] Operation: 38+2=40 Exploring Operation: 38+10=48, Resulting Numbers: [2, 48] Generated Node #0,4,1: 86:[2, 48] Operation: 38+10=48 Exploring Operation: 38-10=28, Resulting Numbers: [2, 28] Generated Node #0,4,2: 86:[2, 28] Operation: 38-10=28 Exploring Operation: 10-2=8, Resulting Numbers: [38, 8] Generated Node #0,4,3: 86:[38, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [38, 5] Generated Node #0,4,4: 86:[38, 5] Operation: 10/2=5 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 86:[2, 48], Operations: ['88-86=2', '38+10=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 86:[38, 5], Operations: ['88-86=2', '10/2=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,86 unequal: No Solution Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,86 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 86:[10, 40], Operations: ['88-86=2', '38+2=40'] Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,86 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 86:[38, 8], Operations: ['88-86=2', '10-2=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 86:[2, 28], Operations: ['88-86=2', '38-10=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[10, 86, 50], Operations: ['88-38=50'] Exploring Operation: 86-10=76, Resulting Numbers: [50, 76] Generated Node #0,1,0: 86:[50, 76] Operation: 86-10=76 Exploring Operation: 50/10=5, Resulting Numbers: [86, 5] Generated Node #0,1,1: 86:[86, 5] Operation: 50/10=5 Exploring Operation: 50-10=40, Resulting Numbers: [86, 40] Generated Node #0,1,2: 86:[86, 40] Operation: 50-10=40 Exploring Operation: 86-50=36, Resulting Numbers: [10, 36] Generated Node #0,1,3: 86:[10, 36] Operation: 86-50=36 Exploring Operation: 10+86=96, Resulting Numbers: [50, 96] Generated Node #0,1,4: 86:[50, 96] Operation: 10+86=96 Moving to Node #0,1,1 Current State: 86:[86, 5], Operations: ['88-38=50', '50/10=5'] Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,86 unequal: No Solution Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[86, 40], Operations: ['88-38=50', '50-10=40'] Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[10, 36], Operations: ['88-38=50', '86-50=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,86 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[50, 76], Operations: ['88-38=50', '86-10=76'] Exploring Operation: 50*76=3800, Resulting Numbers: [3800] 3800,86 unequal: No Solution Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 50+76=126, Resulting Numbers: [126] 126,86 unequal: No Solution Moving to Node #0,1,4 Current State: 86:[50, 96], Operations: ['88-38=50', '10+86=96'] Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 50*96=4800, Resulting Numbers: [4800] 4800,86 unequal: No Solution Exploring Operation: 50+96=146, Resulting Numbers: [146] 146,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[10, 88, 48], Operations: ['86-38=48'] Exploring Operation: 48-10=38, Resulting Numbers: [88, 38] Generated Node #0,2,0: 86:[88, 38] Operation: 48-10=38 Exploring Operation: 88-48=40, Resulting Numbers: [10, 40] Generated Node #0,2,1: 86:[10, 40] Operation: 88-48=40 Exploring Operation: 10+48=58, Resulting Numbers: [88, 58] Generated Node #0,2,2: 86:[88, 58] Operation: 10+48=58 Exploring Operation: 10+88=98, Resulting Numbers: [48, 98] Generated Node #0,2,3: 86:[48, 98] Operation: 10+88=98 Exploring Operation: 88-10=78, Resulting Numbers: [48, 78] Generated Node #0,2,4: 86:[48, 78] Operation: 88-10=78 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 86:[88, 38], Operations: ['86-38=48', '48-10=38'] Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,86 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 86:[10, 40], Operations: ['86-38=48', '88-48=40'] Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,86 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 86:[48, 78], Operations: ['86-38=48', '88-10=78'] Exploring Operation: 48+78=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 48*78=3744, Resulting Numbers: [3744] 3744,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[88, 58], Operations: ['86-38=48', '10+48=58'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,86 unequal: No Solution Exploring Operation: 88*58=5104, Resulting Numbers: [5104] 5104,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 86:[48, 98], Operations: ['86-38=48', '10+88=98'] Exploring Operation: 48+98=146, Resulting Numbers: [146] 146,86 unequal: No Solution Exploring Operation: 48*98=4704, Resulting Numbers: [4704] 4704,86 unequal: No Solution Exploring Operation: 98-48=50, Resulting Numbers: [50] 50,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 97, 40, 70, 10 ]
99
[ "70+10=80", "80/40=2", "97+2=99" ]
Current State: 99:[97, 40, 70, 10], Operations: [] Exploring Operation: 70+10=80, Resulting Numbers: [97, 40, 80] Generated Node #2: [97, 40, 80] from Operation: 70+10=80 Current State: 99:[97, 40, 80], Operations: ['70+10=80'] Exploring Operation: 80/40=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 80/40=2 Current State: 99:[97, 2], Operations: ['70+10=80', '80/40=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[97, 40, 70, 10], Operations: [] Exploring Operation: 70-40=30, Resulting Numbers: [97, 10, 30] Generated Node #0,0: 99:[97, 10, 30] Operation: 70-40=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[97, 10, 30], Operations: ['70-40=30'] Exploring Operation: 30/10=3, Resulting Numbers: [97, 3] Generated Node #0,0,0: 99:[97, 3] Operation: 30/10=3 Moving to Node #0,0,0 Current State: 99:[97, 3], Operations: ['70-40=30', '30/10=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,99 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
[ 67, 84, 27, 90 ]
34
[ "67+84=151", "27+90=117", "151-117=34" ]
Current State: 34:[67, 84, 27, 90], Operations: [] Exploring Operation: 67+84=151, Resulting Numbers: [27, 90, 151] Generated Node #2: [27, 90, 151] from Operation: 67+84=151 Current State: 34:[27, 90, 151], Operations: ['67+84=151'] Exploring Operation: 27+90=117, Resulting Numbers: [151, 117] Generated Node #3: [151, 117] from Operation: 27+90=117 Current State: 34:[151, 117], Operations: ['67+84=151', '27+90=117'] Exploring Operation: 151-117=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[67, 84, 27, 90], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [67, 27, 6] Generated Node #0,0: 34:[67, 27, 6] Operation: 90-84=6 Exploring Operation: 84-67=17, Resulting Numbers: [27, 90, 17] Generated Node #0,1: 34:[27, 90, 17] Operation: 84-67=17 Exploring Operation: 84-27=57, Resulting Numbers: [67, 90, 57] Generated Node #0,2: 34:[67, 90, 57] Operation: 84-27=57 Exploring Operation: 67-27=40, Resulting Numbers: [84, 90, 40] Generated Node #0,3: 34:[84, 90, 40] Operation: 67-27=40 Exploring Operation: 90-67=23, Resulting Numbers: [84, 27, 23] Generated Node #0,4: 34:[84, 27, 23] Operation: 90-67=23 Moving to Node #0,0 Current State: 34:[67, 27, 6], Operations: ['90-84=6'] Exploring Operation: 67-6=61, Resulting Numbers: [27, 61] Generated Node #0,0,0: 34:[27, 61] Operation: 67-6=61 Exploring Operation: 27-6=21, Resulting Numbers: [67, 21] Generated Node #0,0,1: 34:[67, 21] Operation: 27-6=21 Exploring Operation: 67+6=73, Resulting Numbers: [27, 73] Generated Node #0,0,2: 34:[27, 73] Operation: 67+6=73 Exploring Operation: 27+6=33, Resulting Numbers: [67, 33] Generated Node #0,0,3: 34:[67, 33] Operation: 27+6=33 Exploring Operation: 67-27=40, Resulting Numbers: [6, 40] Generated Node #0,0,4: 34:[6, 40] Operation: 67-27=40 Moving to Node #0,4 Current State: 34:[84, 27, 23], Operations: ['90-67=23'] Exploring Operation: 84+23=107, Resulting Numbers: [27, 107] Generated Node #0,4,0: 34:[27, 107] Operation: 84+23=107 Exploring Operation: 84-23=61, Resulting Numbers: [27, 61] Generated Node #0,4,1: 34:[27, 61] Operation: 84-23=61 Exploring Operation: 84-27=57, Resulting Numbers: [23, 57] Generated Node #0,4,2: 34:[23, 57] Operation: 84-27=57 Exploring Operation: 27+23=50, Resulting Numbers: [84, 50] Generated Node #0,4,3: 34:[84, 50] Operation: 27+23=50 Exploring Operation: 27-23=4, Resulting Numbers: [84, 4] Generated Node #0,4,4: 34:[84, 4] Operation: 27-23=4 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[23, 57], Operations: ['90-67=23', '84-27=57'] Exploring Operation: 23*57=1311, Resulting Numbers: [1311] 1311,34 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[67, 84, 27, 90], Operations: [] Exploring Operation: 90-67=23, Resulting Numbers: [84, 27, 23] Generated Node #0,4: 34:[84, 27, 23] Operation: 90-67=23 Moving to Node #0,4 Current State: 34:[84, 27, 23], Operations: ['90-67=23'] Exploring Operation: 84-27=57, Resulting Numbers: [23, 57] Generated Node #0,4,2: 34:[23, 57] Operation: 84-27=57 Moving to Node #0,4,2 Current State: 34:[23, 57], Operations: ['90-67=23', '84-27=57'] Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 7, 13, 13, 51 ]
43
[ "51-7=44", "13/13=1", "44-1=43" ]
Current State: 43:[7, 13, 13, 51], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [13, 13, 44] Generated Node #2: [13, 13, 44] from Operation: 51-7=44 Current State: 43:[13, 13, 44], Operations: ['51-7=44'] Exploring Operation: 13/13=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 13/13=1 Current State: 43:[44, 1], Operations: ['51-7=44', '13/13=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[7, 13, 13, 51], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [13, 13, 44] Generated Node #0,0: 43:[13, 13, 44] Operation: 51-7=44 Exploring Operation: 7+13=20, Resulting Numbers: [13, 51, 20] Generated Node #0,1: 43:[13, 51, 20] Operation: 7+13=20 Exploring Operation: 13+13=26, Resulting Numbers: [7, 51, 26] Generated Node #0,2: 43:[7, 51, 26] Operation: 13+13=26 Exploring Operation: 7+13=20, Resulting Numbers: [13, 51, 20] Generated Node #0,3: 43:[13, 51, 20] Operation: 7+13=20 Moving to Node #0,0 Current State: 43:[13, 13, 44], Operations: ['51-7=44'] Exploring Operation: 13+13=26, Resulting Numbers: [44, 26] Generated Node #0,0,0: 43:[44, 26] Operation: 13+13=26 Exploring Operation: 44-13=31, Resulting Numbers: [13, 31] Generated Node #0,0,1: 43:[13, 31] Operation: 44-13=31 Exploring Operation: 13/13=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 43:[44, 1] Operation: 13/13=1 Exploring Operation: 44-13=31, Resulting Numbers: [13, 31] Generated Node #0,0,3: 43:[13, 31] Operation: 44-13=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[44, 26], Operations: ['51-7=44', '13+13=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,43 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,43 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,43 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 #0,0,1 Current State: 43:[13, 31], Operations: ['51-7=44', '44-13=31'] Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,43 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,43 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 #0,0,3 Current State: 43:[13, 31], Operations: ['51-7=44', '44-13=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[44, 1], Operations: ['51-7=44', '13/13=1'] Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[7, 13, 13, 51], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [13, 13, 44] Generated Node #0,0: 43:[13, 13, 44] Operation: 51-7=44 Moving to Node #0,0 Current State: 43:[13, 13, 44], Operations: ['51-7=44'] Exploring Operation: 13/13=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 43:[44, 1] Operation: 13/13=1 Moving to Node #0,0,2 Current State: 43:[44, 1], Operations: ['51-7=44', '13/13=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 35, 42, 26, 4 ]
52
[ "42+26=68", "68/4=17", "35+17=52" ]
Current State: 52:[35, 42, 26, 4], Operations: [] Exploring Operation: 42+26=68, Resulting Numbers: [35, 4, 68] Generated Node #2: [35, 4, 68] from Operation: 42+26=68 Current State: 52:[35, 4, 68], Operations: ['42+26=68'] Exploring Operation: 68/4=17, Resulting Numbers: [35, 17] Generated Node #3: [35, 17] from Operation: 68/4=17 Current State: 52:[35, 17], Operations: ['42+26=68', '68/4=17'] Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[35, 42, 26, 4], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [26, 4, 7] Generated Node #0,0: 52:[26, 4, 7] Operation: 42-35=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[26, 4, 7], Operations: ['42-35=7'] Exploring Operation: 7-4=3, Resulting Numbers: [26, 3] Generated Node #0,0,0: 52:[26, 3] Operation: 7-4=3 Moving to Node #0,0,0 Current State: 52:[26, 3], Operations: ['42-35=7', '7-4=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 61, 37, 64, 15 ]
73
[ "61-37=24", "64-15=49", "24+49=73" ]
Current State: 73:[61, 37, 64, 15], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [64, 15, 24] Generated Node #2: [64, 15, 24] from Operation: 61-37=24 Current State: 73:[64, 15, 24], Operations: ['61-37=24'] Exploring Operation: 64-15=49, Resulting Numbers: [24, 49] Generated Node #3: [24, 49] from Operation: 64-15=49 Current State: 73:[24, 49], Operations: ['61-37=24', '64-15=49'] Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[61, 37, 64, 15], Operations: [] Exploring Operation: 37+15=52, Resulting Numbers: [61, 64, 52] Generated Node #0,0: 73:[61, 64, 52] Operation: 37+15=52 Exploring Operation: 64+15=79, Resulting Numbers: [61, 37, 79] Generated Node #0,1: 73:[61, 37, 79] Operation: 64+15=79 Exploring Operation: 61-15=46, Resulting Numbers: [37, 64, 46] Generated Node #0,2: 73:[37, 64, 46] Operation: 61-15=46 Exploring Operation: 61+15=76, Resulting Numbers: [37, 64, 76] Generated Node #0,3: 73:[37, 64, 76] Operation: 61+15=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[61, 64, 52], Operations: ['37+15=52'] Exploring Operation: 61+52=113, Resulting Numbers: [64, 113] Generated Node #0,0,0: 73:[64, 113] Operation: 61+52=113 Exploring Operation: 61-52=9, Resulting Numbers: [64, 9] Generated Node #0,0,1: 73:[64, 9] Operation: 61-52=9 Exploring Operation: 64+52=116, Resulting Numbers: [61, 116] Generated Node #0,0,2: 73:[61, 116] Operation: 64+52=116 Exploring Operation: 61+64=125, Resulting Numbers: [52, 125] Generated Node #0,0,3: 73:[52, 125] Operation: 61+64=125 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[64, 113], Operations: ['37+15=52', '61+52=113'] Exploring Operation: 64*113=7232, Resulting Numbers: [7232] 7232,73 unequal: No Solution Exploring Operation: 64+113=177, Resulting Numbers: [177] 177,73 unequal: No Solution Exploring Operation: 113-64=49, Resulting Numbers: [49] 49,73 unequal: No Solution No 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: 73:[61, 116], Operations: ['37+15=52', '64+52=116'] Exploring Operation: 116-61=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 61+116=177, Resulting Numbers: [177] 177,73 unequal: No Solution Exploring Operation: 61*116=7076, Resulting Numbers: [7076] 7076,73 unequal: No Solution No 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: 73:[64, 9], Operations: ['37+15=52', '61-52=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[61, 37, 64, 15], Operations: [] Exploring Operation: 37+15=52, Resulting Numbers: [61, 64, 52] Generated Node #0,0: 73:[61, 64, 52] Operation: 37+15=52 Moving to Node #0,0 Current State: 73:[61, 64, 52], Operations: ['37+15=52'] Exploring Operation: 61-52=9, Resulting Numbers: [64, 9] Generated Node #0,0,1: 73:[64, 9] Operation: 61-52=9 Moving to Node #0,0,1 Current State: 73:[64, 9], Operations: ['37+15=52', '61-52=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 8, 14, 66, 64 ]
54
[ "14+66=80", "80/8=10", "64-10=54" ]
Current State: 54:[8, 14, 66, 64], Operations: [] Exploring Operation: 14+66=80, Resulting Numbers: [8, 64, 80] Generated Node #2: [8, 64, 80] from Operation: 14+66=80 Current State: 54:[8, 64, 80], Operations: ['14+66=80'] Exploring Operation: 80/8=10, Resulting Numbers: [64, 10] Generated Node #3: [64, 10] from Operation: 80/8=10 Current State: 54:[64, 10], Operations: ['14+66=80', '80/8=10'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[8, 14, 66, 64], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [8, 14, 2] Generated Node #0,0: 54:[8, 14, 2] Operation: 66-64=2 Moving to Node #0,0 Current State: 54:[8, 14, 2], Operations: ['66-64=2'] Exploring Operation: 14-8=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 54:[2, 6] Operation: 14-8=6 Moving to Node #0,0,0 Current State: 54:[2, 6], Operations: ['66-64=2', '14-8=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 24, 58, 57, 8 ]
39
[ "24/8=3", "57/3=19", "58-19=39" ]
Current State: 39:[24, 58, 57, 8], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [58, 57, 3] Generated Node #2: [58, 57, 3] from Operation: 24/8=3 Current State: 39:[58, 57, 3], Operations: ['24/8=3'] Exploring Operation: 57/3=19, Resulting Numbers: [58, 19] Generated Node #3: [58, 19] from Operation: 57/3=19 Current State: 39:[58, 19], Operations: ['24/8=3', '57/3=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[24, 58, 57, 8], Operations: [] Exploring Operation: 58-24=34, Resulting Numbers: [57, 8, 34] Generated Node #0,0: 39:[57, 8, 34] Operation: 58-24=34 Exploring Operation: 58-57=1, Resulting Numbers: [24, 8, 1] Generated Node #0,1: 39:[24, 8, 1] Operation: 58-57=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[24, 8, 1], Operations: ['58-57=1'] Exploring Operation: 24-8=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 39:[1, 16] Operation: 24-8=16 Exploring Operation: 24/8=3, Resulting Numbers: [1, 3] Generated Node #0,1,1: 39:[1, 3] Operation: 24/8=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[1, 3], Operations: ['58-57=1', '24/8=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[1, 16], Operations: ['58-57=1', '24-8=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[57, 8, 34], Operations: ['58-24=34'] Exploring Operation: 57-34=23, Resulting Numbers: [8, 23] Generated Node #0,0,0: 39:[8, 23] Operation: 57-34=23 Exploring Operation: 57-8=49, Resulting Numbers: [34, 49] Generated Node #0,0,1: 39:[34, 49] Operation: 57-8=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[8, 23], Operations: ['58-24=34', '57-34=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[34, 49], Operations: ['58-24=34', '57-8=49'] Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 95, 80, 61, 75 ]
29
[ "95-80=15", "75-61=14", "15+14=29" ]
Current State: 29:[95, 80, 61, 75], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [61, 75, 15] Generated Node #2: [61, 75, 15] from Operation: 95-80=15 Current State: 29:[61, 75, 15], Operations: ['95-80=15'] Exploring Operation: 75-61=14, Resulting Numbers: [15, 14] Generated Node #3: [15, 14] from Operation: 75-61=14 Current State: 29:[15, 14], Operations: ['95-80=15', '75-61=14'] Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[95, 80, 61, 75], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [95, 75, 19] Generated Node #0,0: 29:[95, 75, 19] Operation: 80-61=19 Exploring Operation: 95-75=20, Resulting Numbers: [80, 61, 20] Generated Node #0,1: 29:[80, 61, 20] Operation: 95-75=20 Exploring Operation: 95-80=15, Resulting Numbers: [61, 75, 15] Generated Node #0,2: 29:[61, 75, 15] Operation: 95-80=15 Exploring Operation: 95-61=34, Resulting Numbers: [80, 75, 34] Generated Node #0,3: 29:[80, 75, 34] Operation: 95-61=34 Moving to Node #0,1 Current State: 29:[80, 61, 20], Operations: ['95-75=20'] Exploring Operation: 61-20=41, Resulting Numbers: [80, 41] Generated Node #0,1,0: 29:[80, 41] Operation: 61-20=41 Exploring Operation: 80-61=19, Resulting Numbers: [20, 19] Generated Node #0,1,1: 29:[20, 19] Operation: 80-61=19 Exploring Operation: 80-20=60, Resulting Numbers: [61, 60] Generated Node #0,1,2: 29:[61, 60] Operation: 80-20=60 Exploring Operation: 80/20=4, Resulting Numbers: [61, 4] Generated Node #0,1,3: 29:[61, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[20, 19], Operations: ['95-75=20', '80-61=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 29:[61, 4], Operations: ['95-75=20', '80/20=4'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 61*4=244, Resulting Numbers: [244] 244,29 unequal: No Solution Exploring Operation: 61+4=65, Resulting Numbers: [65] 65,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[80, 41], Operations: ['95-75=20', '61-20=41'] Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,29 unequal: No Solution Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,29 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[61, 60], Operations: ['95-75=20', '80-20=60'] Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,29 unequal: No Solution Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,29 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,29 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: 29:[61, 75, 15], Operations: ['95-80=15'] Exploring Operation: 75-61=14, Resulting Numbers: [15, 14] Generated Node #0,2,0: 29:[15, 14] Operation: 75-61=14 Exploring Operation: 75/15=5, Resulting Numbers: [61, 5] Generated Node #0,2,1: 29:[61, 5] Operation: 75/15=5 Exploring Operation: 61-15=46, Resulting Numbers: [75, 46] Generated Node #0,2,2: 29:[75, 46] Operation: 61-15=46 Exploring Operation: 75-15=60, Resulting Numbers: [61, 60] Generated Node #0,2,3: 29:[61, 60] Operation: 75-15=60 Moving to Node #0,3 Current State: 29:[80, 75, 34], Operations: ['95-61=34'] Exploring Operation: 80+75=155, Resulting Numbers: [34, 155] Generated Node #0,3,0: 29:[34, 155] Operation: 80+75=155 Exploring Operation: 80-75=5, Resulting Numbers: [34, 5] Generated Node #0,3,1: 29:[34, 5] Operation: 80-75=5 Exploring Operation: 75-34=41, Resulting Numbers: [80, 41] Generated Node #0,3,2: 29:[80, 41] Operation: 75-34=41 Exploring Operation: 80-34=46, Resulting Numbers: [75, 46] Generated Node #0,3,3: 29:[75, 46] Operation: 80-34=46 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[34, 5], Operations: ['95-61=34', '80-75=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[95, 80, 61, 75], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [80, 75, 34] Generated Node #0,3: 29:[80, 75, 34] Operation: 95-61=34 Moving to Node #0,3 Current State: 29:[80, 75, 34], Operations: ['95-61=34'] Exploring Operation: 80-75=5, Resulting Numbers: [34, 5] Generated Node #0,3,1: 29:[34, 5] Operation: 80-75=5 Moving to Node #0,3,1 Current State: 29:[34, 5], Operations: ['95-61=34', '80-75=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 20, 54, 12, 10 ]
65
[ "54*10=540", "540/12=45", "20+45=65" ]
Current State: 65:[20, 54, 12, 10], Operations: [] Exploring Operation: 54*10=540, Resulting Numbers: [20, 12, 540] Generated Node #2: [20, 12, 540] from Operation: 54*10=540 Current State: 65:[20, 12, 540], Operations: ['54*10=540'] Exploring Operation: 540/12=45, Resulting Numbers: [20, 45] Generated Node #3: [20, 45] from Operation: 540/12=45 Current State: 65:[20, 45], Operations: ['54*10=540', '540/12=45'] Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[20, 54, 12, 10], Operations: [] Exploring Operation: 54+10=64, Resulting Numbers: [20, 12, 64] Generated Node #0,0: 65:[20, 12, 64] Operation: 54+10=64 Exploring Operation: 54+12=66, Resulting Numbers: [20, 10, 66] Generated Node #0,1: 65:[20, 10, 66] Operation: 54+12=66 Exploring Operation: 20+54=74, Resulting Numbers: [12, 10, 74] Generated Node #0,2: 65:[12, 10, 74] Operation: 20+54=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[20, 12, 64], Operations: ['54+10=64'] Exploring Operation: 20-12=8, Resulting Numbers: [64, 8] Generated Node #0,0,0: 65:[64, 8] Operation: 20-12=8 Exploring Operation: 20+12=32, Resulting Numbers: [64, 32] Generated Node #0,0,1: 65:[64, 32] Operation: 20+12=32 Exploring Operation: 12+64=76, Resulting Numbers: [20, 76] Generated Node #0,0,2: 65:[20, 76] Operation: 12+64=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[64, 8], Operations: ['54+10=64', '20-12=8'] Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[20, 76], Operations: ['54+10=64', '12+64=76'] Exploring Operation: 20*76=1520, Resulting Numbers: [1520] 1520,65 unequal: No Solution Exploring Operation: 76-20=56, Resulting Numbers: [56] 56,65 unequal: No Solution Exploring Operation: 20+76=96, Resulting Numbers: [96] 96,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[64, 32], Operations: ['54+10=64', '20+12=32'] Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[20, 10, 66], Operations: ['54+12=66'] Exploring Operation: 20/10=2, Resulting Numbers: [66, 2] Generated Node #0,1,0: 65:[66, 2] Operation: 20/10=2 Exploring Operation: 66-10=56, Resulting Numbers: [20, 56] Generated Node #0,1,1: 65:[20, 56] Operation: 66-10=56 Exploring Operation: 20-10=10, Resulting Numbers: [66, 10] Generated Node #0,1,2: 65:[66, 10] Operation: 20-10=10 Moving to Node #0,1,0 Current State: 65:[66, 2], Operations: ['54+12=66', '20/10=2'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,65 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[66, 10], Operations: ['54+12=66', '20-10=10'] Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,65 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,65 unequal: No Solution Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[20, 56], Operations: ['54+12=66', '66-10=56'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,65 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 #0,2 Current State: 65:[12, 10, 74], Operations: ['20+54=74'] Exploring Operation: 74-10=64, Resulting Numbers: [12, 64] Generated Node #0,2,0: 65:[12, 64] Operation: 74-10=64 Exploring Operation: 12-10=2, Resulting Numbers: [74, 2] Generated Node #0,2,1: 65:[74, 2] Operation: 12-10=2 Exploring Operation: 74-12=62, Resulting Numbers: [10, 62] Generated Node #0,2,2: 65:[10, 62] Operation: 74-12=62 Moving to Node #0,2,0 Current State: 65:[12, 64], Operations: ['20+54=74', '74-10=64'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,65 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,65 unequal: No Solution Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[10, 62], Operations: ['20+54=74', '74-12=62'] Exploring Operation: 10+62=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 10*62=620, Resulting Numbers: [620] 620,65 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[74, 2], Operations: ['20+54=74', '12-10=2'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,65 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
[ 27, 25, 63, 73 ]
53
[ "27-25=2", "63*2=126", "126-73=53" ]
Current State: 53:[27, 25, 63, 73], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [63, 73, 2] Generated Node #2: [63, 73, 2] from Operation: 27-25=2 Current State: 53:[63, 73, 2], Operations: ['27-25=2'] Exploring Operation: 63*2=126, Resulting Numbers: [73, 126] Generated Node #3: [73, 126] from Operation: 63*2=126 Current State: 53:[73, 126], Operations: ['27-25=2', '63*2=126'] Exploring Operation: 126-73=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[27, 25, 63, 73], Operations: [] Exploring Operation: 73-27=46, Resulting Numbers: [25, 63, 46] Generated Node #0,0: 53:[25, 63, 46] Operation: 73-27=46 Exploring Operation: 63-25=38, Resulting Numbers: [27, 73, 38] Generated Node #0,1: 53:[27, 73, 38] Operation: 63-25=38 Exploring Operation: 27+25=52, Resulting Numbers: [63, 73, 52] Generated Node #0,2: 53:[63, 73, 52] Operation: 27+25=52 Exploring Operation: 73-25=48, Resulting Numbers: [27, 63, 48] Generated Node #0,3: 53:[27, 63, 48] Operation: 73-25=48 Moving to Node #0,2 Current State: 53:[63, 73, 52], Operations: ['27+25=52'] Exploring Operation: 73-63=10, Resulting Numbers: [52, 10] Generated Node #0,2,0: 53:[52, 10] Operation: 73-63=10 Exploring Operation: 73-52=21, Resulting Numbers: [63, 21] Generated Node #0,2,1: 53:[63, 21] Operation: 73-52=21 Exploring Operation: 63+52=115, Resulting Numbers: [73, 115] Generated Node #0,2,2: 53:[73, 115] Operation: 63+52=115 Exploring Operation: 63-52=11, Resulting Numbers: [73, 11] Generated Node #0,2,3: 53:[73, 11] Operation: 63-52=11 Moving to Node #0,3 Current State: 53:[27, 63, 48], Operations: ['73-25=48'] Exploring Operation: 27+63=90, Resulting Numbers: [48, 90] Generated Node #0,3,0: 53:[48, 90] Operation: 27+63=90 Exploring Operation: 27+48=75, Resulting Numbers: [63, 75] Generated Node #0,3,1: 53:[63, 75] Operation: 27+48=75 Exploring Operation: 63-27=36, Resulting Numbers: [48, 36] Generated Node #0,3,2: 53:[48, 36] Operation: 63-27=36 Exploring Operation: 48-27=21, Resulting Numbers: [63, 21] Generated Node #0,3,3: 53:[63, 21] Operation: 48-27=21 Moving to Node #0,0 Current State: 53:[25, 63, 46], Operations: ['73-27=46'] Exploring Operation: 25+63=88, Resulting Numbers: [46, 88] Generated Node #0,0,0: 53:[46, 88] Operation: 25+63=88 Exploring Operation: 46-25=21, Resulting Numbers: [63, 21] Generated Node #0,0,1: 53:[63, 21] Operation: 46-25=21 Exploring Operation: 25+46=71, Resulting Numbers: [63, 71] Generated Node #0,0,2: 53:[63, 71] Operation: 25+46=71 Exploring Operation: 63-25=38, Resulting Numbers: [46, 38] Generated Node #0,0,3: 53:[46, 38] Operation: 63-25=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[46, 38], Operations: ['73-27=46', '63-25=38'] Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,53 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 #0,0,2 Current State: 53:[63, 71], Operations: ['73-27=46', '25+46=71'] Exploring Operation: 63+71=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 63*71=4473, Resulting Numbers: [4473] 4473,53 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,53 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 #0,0,0 Current State: 53:[46, 88], Operations: ['73-27=46', '25+63=88'] Exploring Operation: 46+88=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 46*88=4048, Resulting Numbers: [4048] 4048,53 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 #0,0,1 Current State: 53:[63, 21], Operations: ['73-27=46', '46-25=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,53 unequal: No Solution Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,53 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: 53:[27, 73, 38], Operations: ['63-25=38'] Exploring Operation: 27+73=100, Resulting Numbers: [38, 100] Generated Node #0,1,0: 53:[38, 100] Operation: 27+73=100 Exploring Operation: 27+38=65, Resulting Numbers: [73, 65] Generated Node #0,1,1: 53:[73, 65] Operation: 27+38=65 Exploring Operation: 73-38=35, Resulting Numbers: [27, 35] Generated Node #0,1,2: 53:[27, 35] Operation: 73-38=35 Exploring Operation: 73-27=46, Resulting Numbers: [38, 46] Generated Node #0,1,3: 53:[38, 46] Operation: 73-27=46 Moving to Node #0,3,2 Current State: 53:[48, 36], Operations: ['73-25=48', '63-27=36'] Exploring Operation: 48*36=1728, Resulting Numbers: [1728] 1728,53 unequal: No Solution Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 48+36=84, Resulting Numbers: [84] 84,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[38, 46], Operations: ['63-25=38', '73-27=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[63, 75], Operations: ['73-25=48', '27+48=75'] Exploring Operation: 63*75=4725, Resulting Numbers: [4725] 4725,53 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 63+75=138, Resulting Numbers: [138] 138,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[73, 65], Operations: ['63-25=38', '27+38=65'] Exploring Operation: 73+65=138, Resulting Numbers: [138] 138,53 unequal: No Solution Exploring Operation: 73*65=4745, Resulting Numbers: [4745] 4745,53 unequal: No Solution Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[48, 90], Operations: ['73-25=48', '27+63=90'] Exploring Operation: 48+90=138, Resulting Numbers: [138] 138,53 unequal: No Solution Exploring Operation: 48*90=4320, Resulting Numbers: [4320] 4320,53 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[63, 21], Operations: ['27+25=52', '73-52=21'] Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,53 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[63, 21], Operations: ['73-25=48', '48-27=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,53 unequal: No Solution Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[52, 10], Operations: ['27+25=52', '73-63=10'] Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 52*10=520, Resulting Numbers: [520] 520,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[27, 35], Operations: ['63-25=38', '73-38=35'] Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,53 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[73, 11], Operations: ['27+25=52', '63-52=11'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 73*11=803, Resulting Numbers: [803] 803,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[38, 100], Operations: ['63-25=38', '27+73=100'] Exploring Operation: 38+100=138, Resulting Numbers: [138] 138,53 unequal: No Solution Exploring Operation: 38*100=3800, Resulting Numbers: [3800] 3800,53 unequal: No Solution Exploring Operation: 100-38=62, Resulting Numbers: [62] 62,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[73, 115], Operations: ['27+25=52', '63+52=115'] Exploring Operation: 73*115=8395, Resulting Numbers: [8395] 8395,53 unequal: No Solution Exploring Operation: 73+115=188, Resulting Numbers: [188] 188,53 unequal: No Solution Exploring Operation: 115-73=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 78, 44, 2, 72 ]
20
[ "44+72=116", "116/2=58", "78-58=20" ]
Current State: 20:[78, 44, 2, 72], Operations: [] Exploring Operation: 44+72=116, Resulting Numbers: [78, 2, 116] Generated Node #2: [78, 2, 116] from Operation: 44+72=116 Current State: 20:[78, 2, 116], Operations: ['44+72=116'] Exploring Operation: 116/2=58, Resulting Numbers: [78, 58] Generated Node #3: [78, 58] from Operation: 116/2=58 Current State: 20:[78, 58], Operations: ['44+72=116', '116/2=58'] Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[78, 44, 2, 72], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [44, 2, 6] Generated Node #0,0: 20:[44, 2, 6] Operation: 78-72=6 Exploring Operation: 78-44=34, Resulting Numbers: [2, 72, 34] Generated Node #0,1: 20:[2, 72, 34] Operation: 78-44=34 Exploring Operation: 72-44=28, Resulting Numbers: [78, 2, 28] Generated Node #0,2: 20:[78, 2, 28] Operation: 72-44=28 Exploring Operation: 78/2=39, Resulting Numbers: [44, 72, 39] Generated Node #0,3: 20:[44, 72, 39] Operation: 78/2=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[44, 2, 6], Operations: ['78-72=6'] Exploring Operation: 44-6=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 20:[2, 38] Operation: 44-6=38 Exploring Operation: 6-2=4, Resulting Numbers: [44, 4] Generated Node #0,0,1: 20:[44, 4] Operation: 6-2=4 Exploring Operation: 44/2=22, Resulting Numbers: [6, 22] Generated Node #0,0,2: 20:[6, 22] Operation: 44/2=22 Exploring Operation: 44-2=42, Resulting Numbers: [6, 42] Generated Node #0,0,3: 20:[6, 42] Operation: 44-2=42 Moving to Node #0,0,2 Current State: 20:[6, 22], Operations: ['78-72=6', '44/2=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,20 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[2, 38], Operations: ['78-72=6', '44-6=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,20 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[6, 42], Operations: ['78-72=6', '44-2=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,20 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[44, 4], Operations: ['78-72=6', '6-2=4'] Exploring Operation: 44*4=176, Resulting Numbers: [176] 176,20 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[2, 72, 34], Operations: ['78-44=34'] Exploring Operation: 72-34=38, Resulting Numbers: [2, 38] Generated Node #0,1,0: 20:[2, 38] Operation: 72-34=38 Exploring Operation: 72-2=70, Resulting Numbers: [34, 70] Generated Node #0,1,1: 20:[34, 70] Operation: 72-2=70 Exploring Operation: 34/2=17, Resulting Numbers: [72, 17] Generated Node #0,1,2: 20:[72, 17] Operation: 34/2=17 Exploring Operation: 72/2=36, Resulting Numbers: [34, 36] Generated Node #0,1,3: 20:[34, 36] Operation: 72/2=36 Moving to Node #0,1,0 Current State: 20:[2, 38], Operations: ['78-44=34', '72-34=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,20 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[34, 36], Operations: ['78-44=34', '72/2=36'] Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,20 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,20 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[72, 17], Operations: ['78-44=34', '34/2=17'] Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,20 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,20 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[34, 70], Operations: ['78-44=34', '72-2=70'] Exploring Operation: 34*70=2380, Resulting Numbers: [2380] 2380,20 unequal: No Solution Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 34+70=104, Resulting Numbers: [104] 104,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[78, 2, 28], Operations: ['72-44=28'] Exploring Operation: 78-28=50, Resulting Numbers: [2, 50] Generated Node #0,2,0: 20:[2, 50] Operation: 78-28=50 Exploring Operation: 28/2=14, Resulting Numbers: [78, 14] Generated Node #0,2,1: 20:[78, 14] Operation: 28/2=14 Exploring Operation: 78-2=76, Resulting Numbers: [28, 76] Generated Node #0,2,2: 20:[28, 76] Operation: 78-2=76 Exploring Operation: 78/2=39, Resulting Numbers: [28, 39] Generated Node #0,2,3: 20:[28, 39] Operation: 78/2=39 Moving to Node #0,2,3 Current State: 20:[28, 39], Operations: ['72-44=28', '78/2=39'] Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,20 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[2, 50], Operations: ['72-44=28', '78-28=50'] Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[78, 14], Operations: ['72-44=28', '28/2=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,20 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[28, 76], Operations: ['72-44=28', '78-2=76'] Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 28*76=2128, Resulting Numbers: [2128] 2128,20 unequal: No Solution Exploring Operation: 28+76=104, Resulting Numbers: [104] 104,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[44, 72, 39], Operations: ['78/2=39'] Exploring Operation: 72-44=28, Resulting Numbers: [39, 28] Generated Node #0,3,0: 20:[39, 28] Operation: 72-44=28 Exploring Operation: 44+72=116, Resulting Numbers: [39, 116] Generated Node #0,3,1: 20:[39, 116] Operation: 44+72=116 Exploring Operation: 44-39=5, Resulting Numbers: [72, 5] Generated Node #0,3,2: 20:[72, 5] Operation: 44-39=5 Exploring Operation: 72-39=33, Resulting Numbers: [44, 33] Generated Node #0,3,3: 20:[44, 33] Operation: 72-39=33 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[39, 28], Operations: ['78/2=39', '72-44=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[44, 33], Operations: ['78/2=39', '72-39=33'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[72, 5], Operations: ['78/2=39', '44-39=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 72*5=360, Resulting Numbers: [360] 360,20 unequal: No Solution Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[39, 116], Operations: ['78/2=39', '44+72=116'] Exploring Operation: 39*116=4524, Resulting Numbers: [4524] 4524,20 unequal: No Solution Exploring Operation: 39+116=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 116-39=77, Resulting Numbers: [77] 77,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 76, 39, 14, 87 ]
67
[ "39+87=126", "126/14=9", "76-9=67" ]
Current State: 67:[76, 39, 14, 87], Operations: [] Exploring Operation: 39+87=126, Resulting Numbers: [76, 14, 126] Generated Node #2: [76, 14, 126] from Operation: 39+87=126 Current State: 67:[76, 14, 126], Operations: ['39+87=126'] Exploring Operation: 126/14=9, Resulting Numbers: [76, 9] Generated Node #3: [76, 9] from Operation: 126/14=9 Current State: 67:[76, 9], Operations: ['39+87=126', '126/14=9'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[76, 39, 14, 87], Operations: [] Exploring Operation: 39+14=53, Resulting Numbers: [76, 87, 53] Generated Node #0,0: 67:[76, 87, 53] Operation: 39+14=53 Exploring Operation: 87-14=73, Resulting Numbers: [76, 39, 73] Generated Node #0,1: 67:[76, 39, 73] Operation: 87-14=73 Exploring Operation: 76+14=90, Resulting Numbers: [39, 87, 90] Generated Node #0,2: 67:[39, 87, 90] Operation: 76+14=90 Exploring Operation: 76-14=62, Resulting Numbers: [39, 87, 62] Generated Node #0,3: 67:[39, 87, 62] Operation: 76-14=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[76, 87, 53], Operations: ['39+14=53'] Exploring Operation: 76+53=129, Resulting Numbers: [87, 129] Generated Node #0,0,0: 67:[87, 129] Operation: 76+53=129 Exploring Operation: 87-53=34, Resulting Numbers: [76, 34] Generated Node #0,0,1: 67:[76, 34] Operation: 87-53=34 Exploring Operation: 76-53=23, Resulting Numbers: [87, 23] Generated Node #0,0,2: 67:[87, 23] Operation: 76-53=23 Exploring Operation: 87-76=11, Resulting Numbers: [53, 11] Generated Node #0,0,3: 67:[53, 11] Operation: 87-76=11 Moving to Node #0,0,1 Current State: 67:[76, 34], Operations: ['39+14=53', '87-53=34'] Exploring Operation: 76+34=110, Resulting Numbers: [110] 110,67 unequal: No Solution Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 76*34=2584, Resulting Numbers: [2584] 2584,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[87, 23], Operations: ['39+14=53', '76-53=23'] Exploring Operation: 87*23=2001, Resulting Numbers: [2001] 2001,67 unequal: No Solution Exploring Operation: 87+23=110, Resulting Numbers: [110] 110,67 unequal: No Solution Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[53, 11], Operations: ['39+14=53', '87-76=11'] Exploring Operation: 53+11=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 53*11=583, Resulting Numbers: [583] 583,67 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[87, 129], Operations: ['39+14=53', '76+53=129'] Exploring Operation: 87+129=216, Resulting Numbers: [216] 216,67 unequal: No Solution Exploring Operation: 129-87=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 87*129=11223, Resulting Numbers: [11223] 11223,67 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 Current State: 67:[76, 39, 73], Operations: ['87-14=73'] Exploring Operation: 73-39=34, Resulting Numbers: [76, 34] Generated Node #0,1,0: 67:[76, 34] Operation: 73-39=34 Exploring Operation: 76+39=115, Resulting Numbers: [73, 115] Generated Node #0,1,1: 67:[73, 115] Operation: 76+39=115 Exploring Operation: 76-39=37, Resulting Numbers: [73, 37] Generated Node #0,1,2: 67:[73, 37] Operation: 76-39=37 Exploring Operation: 39+73=112, Resulting Numbers: [76, 112] Generated Node #0,1,3: 67:[76, 112] Operation: 39+73=112 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[73, 37], Operations: ['87-14=73', '76-39=37'] Exploring Operation: 73-37=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 73*37=2701, Resulting Numbers: [2701] 2701,67 unequal: No Solution Exploring Operation: 73+37=110, Resulting Numbers: [110] 110,67 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 #0,1,0 Current State: 67:[76, 34], Operations: ['87-14=73', '73-39=34'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 76*34=2584, Resulting Numbers: [2584] 2584,67 unequal: No Solution Exploring Operation: 76+34=110, Resulting Numbers: [110] 110,67 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 #0,1,1 Current State: 67:[73, 115], Operations: ['87-14=73', '76+39=115'] Exploring Operation: 115-73=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 73+115=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 73*115=8395, Resulting Numbers: [8395] 8395,67 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 #0,1,3 Current State: 67:[76, 112], Operations: ['87-14=73', '39+73=112'] Exploring Operation: 76+112=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 112-76=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 76*112=8512, Resulting Numbers: [8512] 8512,67 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 #0,3 Current State: 67:[39, 87, 62], Operations: ['76-14=62'] Exploring Operation: 39+62=101, Resulting Numbers: [87, 101] Generated Node #0,3,0: 67:[87, 101] Operation: 39+62=101 Exploring Operation: 62-39=23, Resulting Numbers: [87, 23] Generated Node #0,3,1: 67:[87, 23] Operation: 62-39=23 Exploring Operation: 39+87=126, Resulting Numbers: [62, 126] Generated Node #0,3,2: 67:[62, 126] Operation: 39+87=126 Exploring Operation: 87-39=48, Resulting Numbers: [62, 48] Generated Node #0,3,3: 67:[62, 48] Operation: 87-39=48 Moving to Node #0,3,3 Current State: 67:[62, 48], Operations: ['76-14=62', '87-39=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,67 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[87, 101], Operations: ['76-14=62', '39+62=101'] Exploring Operation: 101-87=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 87*101=8787, Resulting Numbers: [8787] 8787,67 unequal: No Solution Exploring Operation: 87+101=188, Resulting Numbers: [188] 188,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[62, 126], Operations: ['76-14=62', '39+87=126'] Exploring Operation: 62+126=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 126-62=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 62*126=7812, Resulting Numbers: [7812] 7812,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[87, 23], Operations: ['76-14=62', '62-39=23'] Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 87+23=110, Resulting Numbers: [110] 110,67 unequal: No Solution Exploring Operation: 87*23=2001, Resulting Numbers: [2001] 2001,67 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 #0,2 Current State: 67:[39, 87, 90], Operations: ['76+14=90'] Exploring Operation: 90-39=51, Resulting Numbers: [87, 51] Generated Node #0,2,0: 67:[87, 51] Operation: 90-39=51 Exploring Operation: 39+90=129, Resulting Numbers: [87, 129] Generated Node #0,2,1: 67:[87, 129] Operation: 39+90=129 Exploring Operation: 87-39=48, Resulting Numbers: [90, 48] Generated Node #0,2,2: 67:[90, 48] Operation: 87-39=48 Exploring Operation: 39+87=126, Resulting Numbers: [90, 126] Generated Node #0,2,3: 67:[90, 126] Operation: 39+87=126 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[87, 51], Operations: ['76+14=90', '90-39=51'] Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,67 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,67 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 #0,2,2 Current State: 67:[90, 48], Operations: ['76+14=90', '87-39=48'] Exploring Operation: 90*48=4320, Resulting Numbers: [4320] 4320,67 unequal: No Solution Exploring Operation: 90+48=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,67 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 #0,2,1 Current State: 67:[87, 129], Operations: ['76+14=90', '39+90=129'] Exploring Operation: 129-87=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 87*129=11223, Resulting Numbers: [11223] 11223,67 unequal: No Solution Exploring Operation: 87+129=216, Resulting Numbers: [216] 216,67 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 #0,2,3 Current State: 67:[90, 126], Operations: ['76+14=90', '39+87=126'] Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,67 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,67 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_4
mult_heuristic
[ 64, 72, 28, 64 ]
36
[ "72-64=8", "64/8=8", "28+8=36" ]
Current State: 36:[64, 72, 28, 64], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [28, 8] Generated Node #2: [28, 8] from Operation: 72-64=8 Current State: 36:[28, 8], Operations: ['72-64=8'] Exploring Operation: 64/8=8, Resulting Numbers: [28, 8] Generated Node #3: [28, 8] from Operation: 64/8=8 Current State: 36:[28, 8], Operations: ['72-64=8', '64/8=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[64, 72, 28, 64], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [28, 64, 8] Generated Node #0,0: 36:[28, 64, 8] Operation: 72-64=8 Exploring Operation: 64/64=1, Resulting Numbers: [72, 28, 1] Generated Node #0,1: 36:[72, 28, 1] Operation: 64/64=1 Exploring Operation: 72-64=8, Resulting Numbers: [64, 28, 8] Generated Node #0,2: 36:[64, 28, 8] Operation: 72-64=8 Exploring Operation: 64-64=0, Resulting Numbers: [72, 28, 0] Generated Node #0,3: 36:[72, 28, 0] Operation: 64-64=0 Moving to Node #0,0 Current State: 36:[28, 64, 8], Operations: ['72-64=8'] Exploring Operation: 64/8=8, Resulting Numbers: [28, 8] Generated Node #0,0,0: 36:[28, 8] Operation: 64/8=8 Exploring Operation: 28+8=36, Resulting Numbers: [64, 36] Generated Node #0,0,1: 36:[64, 36] Operation: 28+8=36 Exploring Operation: 64-8=56, Resulting Numbers: [28, 56] Generated Node #0,0,2: 36:[28, 56] Operation: 64-8=56 Exploring Operation: 64-28=36, Resulting Numbers: [8, 36] Generated Node #0,0,3: 36:[8, 36] Operation: 64-28=36 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[8, 36], Operations: ['72-64=8', '64-28=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,36 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,36 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:[28, 8], Operations: ['72-64=8', '64/8=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[64, 72, 28, 64], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [28, 64, 8] Generated Node #0,0: 36:[28, 64, 8] Operation: 72-64=8 Moving to Node #0,0 Current State: 36:[28, 64, 8], Operations: ['72-64=8'] Exploring Operation: 64/8=8, Resulting Numbers: [28, 8] Generated Node #0,0,0: 36:[28, 8] Operation: 64/8=8 Moving to Node #0,0,0 Current State: 36:[28, 8], Operations: ['72-64=8', '64/8=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 42, 1, 75, 59 ]
26
[ "42*1=42", "75-59=16", "42-16=26" ]
Current State: 26:[42, 1, 75, 59], Operations: [] Exploring Operation: 42*1=42, Resulting Numbers: [75, 59, 42] Generated Node #2: [75, 59, 42] from Operation: 42*1=42 Current State: 26:[75, 59, 42], Operations: ['42*1=42'] Exploring Operation: 75-59=16, Resulting Numbers: [42, 16] Generated Node #3: [42, 16] from Operation: 75-59=16 Current State: 26:[42, 16], Operations: ['42*1=42', '75-59=16'] Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[42, 1, 75, 59], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [42, 1, 16] Generated Node #0,0: 26:[42, 1, 16] Operation: 75-59=16 Exploring Operation: 59-42=17, Resulting Numbers: [1, 75, 17] Generated Node #0,1: 26:[1, 75, 17] Operation: 59-42=17 Exploring Operation: 75-1=74, Resulting Numbers: [42, 59, 74] Generated Node #0,2: 26:[42, 59, 74] Operation: 75-1=74 Exploring Operation: 75-42=33, Resulting Numbers: [1, 59, 33] Generated Node #0,3: 26:[1, 59, 33] Operation: 75-42=33 Exploring Operation: 42-1=41, Resulting Numbers: [75, 59, 41] Generated Node #0,4: 26:[75, 59, 41] Operation: 42-1=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[42, 1, 16], Operations: ['75-59=16'] Exploring Operation: 16-1=15, Resulting Numbers: [42, 15] Generated Node #0,0,0: 26:[42, 15] Operation: 16-1=15 Exploring Operation: 42-16=26, Resulting Numbers: [1, 26] Generated Node #0,0,1: 26:[1, 26] Operation: 42-16=26 Exploring Operation: 42*1=42, Resulting Numbers: [16, 42] Generated Node #0,0,2: 26:[16, 42] Operation: 42*1=42 Exploring Operation: 42/1=42, Resulting Numbers: [16, 42] Generated Node #0,0,3: 26:[16, 42] Operation: 42/1=42 Exploring Operation: 42-1=41, Resulting Numbers: [16, 41] Generated Node #0,0,4: 26:[16, 41] Operation: 42-1=41 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[1, 26], Operations: ['75-59=16', '42-16=26'] Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[42, 1, 75, 59], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [42, 1, 16] Generated Node #0,0: 26:[42, 1, 16] Operation: 75-59=16 Moving to Node #0,0 Current State: 26:[42, 1, 16], Operations: ['75-59=16'] Exploring Operation: 42-16=26, Resulting Numbers: [1, 26] Generated Node #0,0,1: 26:[1, 26] Operation: 42-16=26 Moving to Node #0,0,1 Current State: 26:[1, 26], Operations: ['75-59=16', '42-16=26'] Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 2, 16, 56, 68 ]
70
[ "16+56=72", "68+72=140", "140/2=70" ]
Current State: 70:[2, 16, 56, 68], Operations: [] Exploring Operation: 16+56=72, Resulting Numbers: [2, 68, 72] Generated Node #2: [2, 68, 72] from Operation: 16+56=72 Current State: 70:[2, 68, 72], Operations: ['16+56=72'] Exploring Operation: 68+72=140, Resulting Numbers: [2, 140] Generated Node #3: [2, 140] from Operation: 68+72=140 Current State: 70:[2, 140], Operations: ['16+56=72', '68+72=140'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[2, 16, 56, 68], Operations: [] Exploring Operation: 16+56=72, Resulting Numbers: [2, 68, 72] Generated Node #0,0: 70:[2, 68, 72] Operation: 16+56=72 Exploring Operation: 68-56=12, Resulting Numbers: [2, 16, 12] Generated Node #0,1: 70:[2, 16, 12] Operation: 68-56=12 Exploring Operation: 56-16=40, Resulting Numbers: [2, 68, 40] Generated Node #0,2: 70:[2, 68, 40] Operation: 56-16=40 Moving to Node #0,0 Current State: 70:[2, 68, 72], Operations: ['16+56=72'] Exploring Operation: 72-68=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 70:[2, 4] Operation: 72-68=4 Exploring Operation: 2+68=70, Resulting Numbers: [72, 70] Generated Node #0,0,1: 70:[72, 70] Operation: 2+68=70 Exploring Operation: 72-2=70, Resulting Numbers: [68, 70] Generated Node #0,0,2: 70:[68, 70] Operation: 72-2=70 Moving to Node #0,1 Current State: 70:[2, 16, 12], Operations: ['68-56=12'] Exploring Operation: 16-2=14, Resulting Numbers: [12, 14] Generated Node #0,1,0: 70:[12, 14] Operation: 16-2=14 Exploring Operation: 2+12=14, Resulting Numbers: [16, 14] Generated Node #0,1,1: 70:[16, 14] Operation: 2+12=14 Exploring Operation: 16-12=4, Resulting Numbers: [2, 4] Generated Node #0,1,2: 70:[2, 4] Operation: 16-12=4 Moving to Node #0,2 Current State: 70:[2, 68, 40], Operations: ['56-16=40'] Exploring Operation: 68/2=34, Resulting Numbers: [40, 34] Generated Node #0,2,0: 70:[40, 34] Operation: 68/2=34 Exploring Operation: 2+68=70, Resulting Numbers: [40, 70] Generated Node #0,2,1: 70:[40, 70] Operation: 2+68=70 Exploring Operation: 40-2=38, Resulting Numbers: [68, 38] Generated Node #0,2,2: 70:[68, 38] Operation: 40-2=38 Moving to Node #0,0,0 Current State: 70:[2, 4], Operations: ['16+56=72', '72-68=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[2, 4], Operations: ['68-56=12', '16-12=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[68, 70], Operations: ['16+56=72', '72-2=70'] Exploring Operation: 68*70=4760, Resulting Numbers: [4760] 4760,70 unequal: No Solution Exploring Operation: 68+70=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[16, 14], Operations: ['68-56=12', '2+12=14'] Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,70 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[12, 14], Operations: ['68-56=12', '16-2=14'] Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,70 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,70 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[72, 70], Operations: ['16+56=72', '2+68=70'] Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,70 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[68, 38], Operations: ['56-16=40', '40-2=38'] Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,70 unequal: No Solution Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[40, 70], Operations: ['56-16=40', '2+68=70'] Exploring Operation: 40+70=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 40*70=2800, Resulting Numbers: [2800] 2800,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[40, 34], Operations: ['56-16=40', '68/2=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,70 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,70 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 44, 52, 31, 90 ]
67
[ "52-44=8", "90-31=59", "8+59=67" ]
Current State: 67:[44, 52, 31, 90], Operations: [] Exploring Operation: 52-44=8, Resulting Numbers: [31, 90, 8] Generated Node #2: [31, 90, 8] from Operation: 52-44=8 Current State: 67:[31, 90, 8], Operations: ['52-44=8'] Exploring Operation: 90-31=59, Resulting Numbers: [8, 59] Generated Node #3: [8, 59] from Operation: 90-31=59 Current State: 67:[8, 59], Operations: ['52-44=8', '90-31=59'] Exploring Operation: 8+59=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[44, 52, 31, 90], Operations: [] Exploring Operation: 52+31=83, Resulting Numbers: [44, 90, 83] Generated Node #0,0: 67:[44, 90, 83] Operation: 52+31=83 Exploring Operation: 90-31=59, Resulting Numbers: [44, 52, 59] Generated Node #0,1: 67:[44, 52, 59] Operation: 90-31=59 Exploring Operation: 44+31=75, Resulting Numbers: [52, 90, 75] Generated Node #0,2: 67:[52, 90, 75] Operation: 44+31=75 Exploring Operation: 90-44=46, Resulting Numbers: [52, 31, 46] Generated Node #0,3: 67:[52, 31, 46] Operation: 90-44=46 Moving to Node #0,1 Current State: 67:[44, 52, 59], Operations: ['90-31=59'] Exploring Operation: 52-44=8, Resulting Numbers: [59, 8] Generated Node #0,1,0: 67:[59, 8] Operation: 52-44=8 Exploring Operation: 44+52=96, Resulting Numbers: [59, 96] Generated Node #0,1,1: 67:[59, 96] Operation: 44+52=96 Exploring Operation: 59-44=15, Resulting Numbers: [52, 15] Generated Node #0,1,2: 67:[52, 15] Operation: 59-44=15 Exploring Operation: 44+59=103, Resulting Numbers: [52, 103] Generated Node #0,1,3: 67:[52, 103] Operation: 44+59=103 Moving to Node #0,2 Current State: 67:[52, 90, 75], Operations: ['44+31=75'] Exploring Operation: 90-75=15, Resulting Numbers: [52, 15] Generated Node #0,2,0: 67:[52, 15] Operation: 90-75=15 Exploring Operation: 52+90=142, Resulting Numbers: [75, 142] Generated Node #0,2,1: 67:[75, 142] Operation: 52+90=142 Exploring Operation: 75-52=23, Resulting Numbers: [90, 23] Generated Node #0,2,2: 67:[90, 23] Operation: 75-52=23 Exploring Operation: 90-52=38, Resulting Numbers: [75, 38] Generated Node #0,2,3: 67:[75, 38] Operation: 90-52=38 Moving to Node #0,0 Current State: 67:[44, 90, 83], Operations: ['52+31=83'] Exploring Operation: 44+90=134, Resulting Numbers: [83, 134] Generated Node #0,0,0: 67:[83, 134] Operation: 44+90=134 Exploring Operation: 90-44=46, Resulting Numbers: [83, 46] Generated Node #0,0,1: 67:[83, 46] Operation: 90-44=46 Exploring Operation: 44+83=127, Resulting Numbers: [90, 127] Generated Node #0,0,2: 67:[90, 127] Operation: 44+83=127 Exploring Operation: 83-44=39, Resulting Numbers: [90, 39] Generated Node #0,0,3: 67:[90, 39] Operation: 83-44=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[83, 46], Operations: ['52+31=83', '90-44=46'] Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 83+46=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 83*46=3818, Resulting Numbers: [3818] 3818,67 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 #0,0,3 Current State: 67:[90, 39], Operations: ['52+31=83', '83-44=39'] Exploring Operation: 90+39=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 90*39=3510, Resulting Numbers: [3510] 3510,67 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 #0,0,0 Current State: 67:[83, 134], Operations: ['52+31=83', '44+90=134'] Exploring Operation: 83+134=217, Resulting Numbers: [217] 217,67 unequal: No Solution Exploring Operation: 83*134=11122, Resulting Numbers: [11122] 11122,67 unequal: No Solution Exploring Operation: 134-83=51, Resulting Numbers: [51] 51,67 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 #0,0,2 Current State: 67:[90, 127], Operations: ['52+31=83', '44+83=127'] Exploring Operation: 90+127=217, Resulting Numbers: [217] 217,67 unequal: No Solution Exploring Operation: 90*127=11430, Resulting Numbers: [11430] 11430,67 unequal: No Solution Exploring Operation: 127-90=37, Resulting Numbers: [37] 37,67 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:[52, 31, 46], Operations: ['90-44=46'] Exploring Operation: 52+46=98, Resulting Numbers: [31, 98] Generated Node #0,3,0: 67:[31, 98] Operation: 52+46=98 Exploring Operation: 52-31=21, Resulting Numbers: [46, 21] Generated Node #0,3,1: 67:[46, 21] Operation: 52-31=21 Exploring Operation: 52+31=83, Resulting Numbers: [46, 83] Generated Node #0,3,2: 67:[46, 83] Operation: 52+31=83 Exploring Operation: 31+46=77, Resulting Numbers: [52, 77] Generated Node #0,3,3: 67:[52, 77] Operation: 31+46=77 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[52, 77], Operations: ['90-44=46', '31+46=77'] Exploring Operation: 52*77=4004, Resulting Numbers: [4004] 4004,67 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 52+77=129, Resulting Numbers: [129] 129,67 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 #0,3,2 Current State: 67:[46, 83], Operations: ['90-44=46', '52+31=83'] Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,67 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 #0,3,0 Current State: 67:[31, 98], Operations: ['90-44=46', '52+46=98'] Exploring Operation: 31+98=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 31*98=3038, Resulting Numbers: [3038] 3038,67 unequal: No Solution Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[44, 52, 31, 90], Operations: [] Exploring Operation: 90-44=46, Resulting Numbers: [52, 31, 46] Generated Node #0,3: 67:[52, 31, 46] Operation: 90-44=46 Moving to Node #0,3 Current State: 67:[52, 31, 46], Operations: ['90-44=46'] Exploring Operation: 52+46=98, Resulting Numbers: [31, 98] Generated Node #0,3,0: 67:[31, 98] Operation: 52+46=98 Moving to Node #0,3,0 Current State: 67:[31, 98], Operations: ['90-44=46', '52+46=98'] Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_4
mult_heuristic
[ 42, 62, 86, 56 ]
79
[ "62-56=6", "42/6=7", "86-7=79" ]
Current State: 79:[42, 62, 86, 56], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [42, 86, 6] Generated Node #2: [42, 86, 6] from Operation: 62-56=6 Current State: 79:[42, 86, 6], Operations: ['62-56=6'] Exploring Operation: 42/6=7, Resulting Numbers: [86, 7] Generated Node #3: [86, 7] from Operation: 42/6=7 Current State: 79:[86, 7], Operations: ['62-56=6', '42/6=7'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[42, 62, 86, 56], Operations: [] Exploring Operation: 42+62=104, Resulting Numbers: [86, 56, 104] Generated Node #0,0: 79:[86, 56, 104] Operation: 42+62=104 Exploring Operation: 42+56=98, Resulting Numbers: [62, 86, 98] Generated Node #0,1: 79:[62, 86, 98] Operation: 42+56=98 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[62, 86, 98], Operations: ['42+56=98'] Exploring Operation: 98-62=36, Resulting Numbers: [86, 36] Generated Node #0,1,0: 79:[86, 36] Operation: 98-62=36 Exploring Operation: 86-62=24, Resulting Numbers: [98, 24] Generated Node #0,1,1: 79:[98, 24] Operation: 86-62=24 Moving to Node #0,1,0 Current State: 79:[86, 36], Operations: ['42+56=98', '98-62=36'] Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,79 unequal: No Solution Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[98, 24], Operations: ['42+56=98', '86-62=24'] Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,79 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 #0,0 Current State: 79:[86, 56, 104], Operations: ['42+62=104'] Exploring Operation: 104-56=48, Resulting Numbers: [86, 48] Generated Node #0,0,0: 79:[86, 48] Operation: 104-56=48 Exploring Operation: 86-56=30, Resulting Numbers: [104, 30] Generated Node #0,0,1: 79:[104, 30] Operation: 86-56=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[86, 48], Operations: ['42+62=104', '104-56=48'] Exploring Operation: 86-48=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 86+48=134, Resulting Numbers: [134] 134,79 unequal: No Solution No 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: 79:[104, 30], Operations: ['42+62=104', '86-56=30'] Exploring Operation: 104+30=134, Resulting Numbers: [134] 134,79 unequal: No Solution Exploring Operation: 104-30=74, Resulting Numbers: [74] 74,79 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
[ 19, 46, 27, 56 ]
55
[ "46-19=27", "27/27=1", "56-1=55" ]
Current State: 55:[19, 46, 27, 56], Operations: [] Exploring Operation: 46-19=27, Resulting Numbers: [27, 56, 27] Generated Node #2: [27, 56, 27] from Operation: 46-19=27 Current State: 55:[27, 56, 27], Operations: ['46-19=27'] Exploring Operation: 27/27=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 27/27=1 Current State: 55:[56, 1], Operations: ['46-19=27', '27/27=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[19, 46, 27, 56], Operations: [] Exploring Operation: 46-27=19, Resulting Numbers: [19, 56, 19] Generated Node #0,0: 55:[19, 56, 19] Operation: 46-27=19 Exploring Operation: 19+27=46, Resulting Numbers: [46, 56, 46] Generated Node #0,1: 55:[46, 56, 46] Operation: 19+27=46 Exploring Operation: 27-19=8, Resulting Numbers: [46, 56, 8] Generated Node #0,2: 55:[46, 56, 8] Operation: 27-19=8 Moving to Node #0,2 Current State: 55:[46, 56, 8], Operations: ['27-19=8'] Exploring Operation: 46+8=54, Resulting Numbers: [56, 54] Generated Node #0,2,0: 55:[56, 54] Operation: 46+8=54 Exploring Operation: 56/8=7, Resulting Numbers: [46, 7] Generated Node #0,2,1: 55:[46, 7] Operation: 56/8=7 Exploring Operation: 56-46=10, Resulting Numbers: [8, 10] Generated Node #0,2,2: 55:[8, 10] Operation: 56-46=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[56, 54], Operations: ['27-19=8', '46+8=54'] Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,55 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[8, 10], Operations: ['27-19=8', '56-46=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[46, 7], Operations: ['27-19=8', '56/8=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 55:[19, 56, 19], Operations: ['46-27=19'] Exploring Operation: 19+19=38, Resulting Numbers: [56, 38] Generated Node #0,0,0: 55:[56, 38] Operation: 19+19=38 Exploring Operation: 19/19=1, Resulting Numbers: [56, 1] Generated Node #0,0,1: 55:[56, 1] Operation: 19/19=1 Exploring Operation: 19-19=0, Resulting Numbers: [56, 0] Generated Node #0,0,2: 55:[56, 0] Operation: 19-19=0 Moving to Node #0,1 Current State: 55:[46, 56, 46], Operations: ['19+27=46'] Exploring Operation: 46-46=0, Resulting Numbers: [56, 0] Generated Node #0,1,0: 55:[56, 0] Operation: 46-46=0 Exploring Operation: 56-46=10, Resulting Numbers: [46, 10] Generated Node #0,1,1: 55:[46, 10] Operation: 56-46=10 Exploring Operation: 46/46=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 55:[56, 1] Operation: 46/46=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[56, 1], Operations: ['19+27=46', '46/46=1'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[19, 46, 27, 56], Operations: [] Exploring Operation: 19+27=46, Resulting Numbers: [46, 56, 46] Generated Node #0,1: 55:[46, 56, 46] Operation: 19+27=46 Moving to Node #0,1 Current State: 55:[46, 56, 46], Operations: ['19+27=46'] Exploring Operation: 46/46=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 55:[56, 1] Operation: 46/46=1 Moving to Node #0,1,2 Current State: 55:[56, 1], Operations: ['19+27=46', '46/46=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 21, 33, 86, 6 ]
34
[ "33+86=119", "6*119=714", "714/21=34" ]
Current State: 34:[21, 33, 86, 6], Operations: [] Exploring Operation: 33+86=119, Resulting Numbers: [21, 6, 119] Generated Node #2: [21, 6, 119] from Operation: 33+86=119 Current State: 34:[21, 6, 119], Operations: ['33+86=119'] Exploring Operation: 6*119=714, Resulting Numbers: [21, 714] Generated Node #3: [21, 714] from Operation: 6*119=714 Current State: 34:[21, 714], Operations: ['33+86=119', '6*119=714'] Exploring Operation: 714/21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[21, 33, 86, 6], Operations: [] Exploring Operation: 86-21=65, Resulting Numbers: [33, 6, 65] Generated Node #0,0: 34:[33, 6, 65] Operation: 86-21=65 Exploring Operation: 86-33=53, Resulting Numbers: [21, 6, 53] Generated Node #0,1: 34:[21, 6, 53] Operation: 86-33=53 Exploring Operation: 86-6=80, Resulting Numbers: [21, 33, 80] Generated Node #0,2: 34:[21, 33, 80] Operation: 86-6=80 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[21, 6, 53], Operations: ['86-33=53'] Exploring Operation: 53-21=32, Resulting Numbers: [6, 32] Generated Node #0,1,0: 34:[6, 32] Operation: 53-21=32 Exploring Operation: 53-6=47, Resulting Numbers: [21, 47] Generated Node #0,1,1: 34:[21, 47] Operation: 53-6=47 Exploring Operation: 21-6=15, Resulting Numbers: [53, 15] Generated Node #0,1,2: 34:[53, 15] Operation: 21-6=15 Moving to Node #0,1,0 Current State: 34:[6, 32], Operations: ['86-33=53', '53-21=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,34 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[21, 47], Operations: ['86-33=53', '53-6=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,34 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[53, 15], Operations: ['86-33=53', '21-6=15'] Exploring Operation: 53*15=795, Resulting Numbers: [795] 795,34 unequal: No Solution Exploring Operation: 53+15=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,34 unequal: No Solution No 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: 34:[33, 6, 65], Operations: ['86-21=65'] Exploring Operation: 65-33=32, Resulting Numbers: [6, 32] Generated Node #0,0,0: 34:[6, 32] Operation: 65-33=32 Exploring Operation: 33+6=39, Resulting Numbers: [65, 39] Generated Node #0,0,1: 34:[65, 39] Operation: 33+6=39 Exploring Operation: 65-6=59, Resulting Numbers: [33, 59] Generated Node #0,0,2: 34:[33, 59] Operation: 65-6=59 Moving to Node #0,0,0 Current State: 34:[6, 32], Operations: ['86-21=65', '65-33=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,34 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[33, 59], Operations: ['86-21=65', '65-6=59'] Exploring Operation: 59-33=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 33*59=1947, Resulting Numbers: [1947] 1947,34 unequal: No Solution Exploring Operation: 33+59=92, Resulting Numbers: [92] 92,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[65, 39], Operations: ['86-21=65', '33+6=39'] Exploring Operation: 65+39=104, Resulting Numbers: [104] 104,34 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 65*39=2535, Resulting Numbers: [2535] 2535,34 unequal: No Solution No 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: 34:[21, 33, 80], Operations: ['86-6=80'] Exploring Operation: 33-21=12, Resulting Numbers: [80, 12] Generated Node #0,2,0: 34:[80, 12] Operation: 33-21=12 Exploring Operation: 80-21=59, Resulting Numbers: [33, 59] Generated Node #0,2,1: 34:[33, 59] Operation: 80-21=59 Exploring Operation: 80-33=47, Resulting Numbers: [21, 47] Generated Node #0,2,2: 34:[21, 47] Operation: 80-33=47 Moving to Node #0,2,2 Current State: 34:[21, 47], Operations: ['86-6=80', '80-33=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[33, 59], Operations: ['86-6=80', '80-21=59'] Exploring Operation: 33+59=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 33*59=1947, Resulting Numbers: [1947] 1947,34 unequal: No Solution Exploring Operation: 59-33=26, Resulting Numbers: [26] 26,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[80, 12], Operations: ['86-6=80', '33-21=12'] Exploring Operation: 80+12=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 80*12=960, Resulting Numbers: [960] 960,34 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,34 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
[ 31, 23, 2, 66 ]
70
[ "31-23=8", "8/2=4", "66+4=70" ]
Current State: 70:[31, 23, 2, 66], Operations: [] Exploring Operation: 31-23=8, Resulting Numbers: [2, 66, 8] Generated Node #2: [2, 66, 8] from Operation: 31-23=8 Current State: 70:[2, 66, 8], Operations: ['31-23=8'] Exploring Operation: 8/2=4, Resulting Numbers: [66, 4] Generated Node #3: [66, 4] from Operation: 8/2=4 Current State: 70:[66, 4], Operations: ['31-23=8', '8/2=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[31, 23, 2, 66], Operations: [] Exploring Operation: 31-23=8, Resulting Numbers: [2, 66, 8] Generated Node #0,0: 70:[2, 66, 8] Operation: 31-23=8 Exploring Operation: 66-31=35, Resulting Numbers: [23, 2, 35] Generated Node #0,1: 70:[23, 2, 35] Operation: 66-31=35 Moving to Node #0,0 Current State: 70:[2, 66, 8], Operations: ['31-23=8'] Exploring Operation: 66/2=33, Resulting Numbers: [8, 33] Generated Node #0,0,0: 70:[8, 33] Operation: 66/2=33 Exploring Operation: 2+66=68, Resulting Numbers: [8, 68] Generated Node #0,0,1: 70:[8, 68] Operation: 2+66=68 Moving to Node #0,1 Current State: 70:[23, 2, 35], Operations: ['66-31=35'] Exploring Operation: 35-23=12, Resulting Numbers: [2, 12] Generated Node #0,1,0: 70:[2, 12] Operation: 35-23=12 Exploring Operation: 23-2=21, Resulting Numbers: [35, 21] Generated Node #0,1,1: 70:[35, 21] Operation: 23-2=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[2, 12], Operations: ['66-31=35', '35-23=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[35, 21], Operations: ['66-31=35', '23-2=21'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 70:[8, 33], Operations: ['31-23=8', '66/2=33'] Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[8, 68], Operations: ['31-23=8', '2+66=68'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,70 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 30, 18, 65, 41 ]
40
[ "65-41=24", "30*24=720", "720/18=40" ]
Current State: 40:[30, 18, 65, 41], Operations: [] Exploring Operation: 65-41=24, Resulting Numbers: [30, 18, 24] Generated Node #2: [30, 18, 24] from Operation: 65-41=24 Current State: 40:[30, 18, 24], Operations: ['65-41=24'] Exploring Operation: 30*24=720, Resulting Numbers: [18, 720] Generated Node #3: [18, 720] from Operation: 30*24=720 Current State: 40:[18, 720], Operations: ['65-41=24', '30*24=720'] Exploring Operation: 720/18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[30, 18, 65, 41], Operations: [] Exploring Operation: 65-30=35, Resulting Numbers: [18, 41, 35] Generated Node #0,0: 40:[18, 41, 35] Operation: 65-30=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[18, 41, 35], Operations: ['65-30=35'] Exploring Operation: 41-35=6, Resulting Numbers: [18, 6] Generated Node #0,0,0: 40:[18, 6] Operation: 41-35=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[18, 6], Operations: ['65-30=35', '41-35=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,40 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_1
mult_heuristic
[ 56, 17, 80, 63 ]
22
[ "56-17=39", "80-63=17", "39-17=22" ]
Current State: 22:[56, 17, 80, 63], Operations: [] Exploring Operation: 56-17=39, Resulting Numbers: [80, 63, 39] Generated Node #2: [80, 63, 39] from Operation: 56-17=39 Current State: 22:[80, 63, 39], Operations: ['56-17=39'] Exploring Operation: 80-63=17, Resulting Numbers: [39, 17] Generated Node #3: [39, 17] from Operation: 80-63=17 Current State: 22:[39, 17], Operations: ['56-17=39', '80-63=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[56, 17, 80, 63], Operations: [] Exploring Operation: 80-63=17, Resulting Numbers: [56, 17, 17] Generated Node #0,0: 22:[56, 17, 17] Operation: 80-63=17 Moving to Node #0,0 Current State: 22:[56, 17, 17], Operations: ['80-63=17'] Exploring Operation: 56-17=39, Resulting Numbers: [17, 39] Generated Node #0,0,0: 22:[17, 39] Operation: 56-17=39 Moving to Node #0,0,0 Current State: 22:[17, 39], Operations: ['80-63=17', '56-17=39'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[56, 17, 80, 63], Operations: [] Exploring Operation: 80-63=17, Resulting Numbers: [56, 17, 17] Generated Node #0,0: 22:[56, 17, 17] Operation: 80-63=17 Moving to Node #0,0 Current State: 22:[56, 17, 17], Operations: ['80-63=17'] Exploring Operation: 56-17=39, Resulting Numbers: [17, 39] Generated Node #0,0,0: 22:[17, 39] Operation: 56-17=39 Moving to Node #0,0,0 Current State: 22:[17, 39], Operations: ['80-63=17', '56-17=39'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 32, 54, 66, 2 ]
77
[ "54-32=22", "22/2=11", "66+11=77" ]
Current State: 77:[32, 54, 66, 2], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [66, 2, 22] Generated Node #2: [66, 2, 22] from Operation: 54-32=22 Current State: 77:[66, 2, 22], Operations: ['54-32=22'] Exploring Operation: 22/2=11, Resulting Numbers: [66, 11] Generated Node #3: [66, 11] from Operation: 22/2=11 Current State: 77:[66, 11], Operations: ['54-32=22', '22/2=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[32, 54, 66, 2], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [66, 2, 22] Generated Node #0,0: 77:[66, 2, 22] Operation: 54-32=22 Exploring Operation: 66-54=12, Resulting Numbers: [32, 2, 12] Generated Node #0,1: 77:[32, 2, 12] Operation: 66-54=12 Exploring Operation: 32+54=86, Resulting Numbers: [66, 2, 86] Generated Node #0,2: 77:[66, 2, 86] Operation: 32+54=86 Exploring Operation: 32/2=16, Resulting Numbers: [54, 66, 16] Generated Node #0,3: 77:[54, 66, 16] Operation: 32/2=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[66, 2, 86], Operations: ['32+54=86'] Exploring Operation: 86-66=20, Resulting Numbers: [2, 20] Generated Node #0,2,0: 77:[2, 20] Operation: 86-66=20 Exploring Operation: 66+2=68, Resulting Numbers: [86, 68] Generated Node #0,2,1: 77:[86, 68] Operation: 66+2=68 Exploring Operation: 66-2=64, Resulting Numbers: [86, 64] Generated Node #0,2,2: 77:[86, 64] Operation: 66-2=64 Exploring Operation: 86-2=84, Resulting Numbers: [66, 84] Generated Node #0,2,3: 77:[66, 84] Operation: 86-2=84 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 77:[2, 20], Operations: ['32+54=86', '86-66=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,77 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 #0,2,1 Current State: 77:[86, 68], Operations: ['32+54=86', '66+2=68'] Exploring Operation: 86*68=5848, Resulting Numbers: [5848] 5848,77 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 86+68=154, Resulting Numbers: [154] 154,77 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 #0,2,3 Current State: 77:[66, 84], Operations: ['32+54=86', '86-2=84'] Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,77 unequal: No Solution Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,77 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 #0,2,2 Current State: 77:[86, 64], Operations: ['32+54=86', '66-2=64'] Exploring Operation: 86*64=5504, Resulting Numbers: [5504] 5504,77 unequal: No Solution Exploring Operation: 86+64=150, Resulting Numbers: [150] 150,77 unequal: No Solution Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,77 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: 77:[66, 2, 22], Operations: ['54-32=22'] Exploring Operation: 22/2=11, Resulting Numbers: [66, 11] Generated Node #0,0,0: 77:[66, 11] Operation: 22/2=11 Exploring Operation: 66+2=68, Resulting Numbers: [22, 68] Generated Node #0,0,1: 77:[22, 68] Operation: 66+2=68 Exploring Operation: 66/22=3, Resulting Numbers: [2, 3] Generated Node #0,0,2: 77:[2, 3] Operation: 66/22=3 Exploring Operation: 66+22=88, Resulting Numbers: [2, 88] Generated Node #0,0,3: 77:[2, 88] Operation: 66+22=88 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[2, 3], Operations: ['54-32=22', '66/22=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,77 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 #0,0,0 Current State: 77:[66, 11], Operations: ['54-32=22', '22/2=11'] Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 66*11=726, Resulting Numbers: [726] 726,77 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[32, 54, 66, 2], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [66, 2, 22] Generated Node #0,0: 77:[66, 2, 22] Operation: 54-32=22 Moving to Node #0,0 Current State: 77:[66, 2, 22], Operations: ['54-32=22'] Exploring Operation: 22/2=11, Resulting Numbers: [66, 11] Generated Node #0,0,0: 77:[66, 11] Operation: 22/2=11 Moving to Node #0,0,0 Current State: 77:[66, 11], Operations: ['54-32=22', '22/2=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 11, 8, 14, 66 ]
16
[ "66/11=6", "8+14=22", "22-6=16" ]
Current State: 16:[11, 8, 14, 66], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [8, 14, 6] Generated Node #2: [8, 14, 6] from Operation: 66/11=6 Current State: 16:[8, 14, 6], Operations: ['66/11=6'] Exploring Operation: 8+14=22, Resulting Numbers: [6, 22] Generated Node #3: [6, 22] from Operation: 8+14=22 Current State: 16:[6, 22], Operations: ['66/11=6', '8+14=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[11, 8, 14, 66], Operations: [] Exploring Operation: 66-8=58, Resulting Numbers: [11, 14, 58] Generated Node #0,0: 16:[11, 14, 58] Operation: 66-8=58 Exploring Operation: 66-11=55, Resulting Numbers: [8, 14, 55] Generated Node #0,1: 16:[8, 14, 55] Operation: 66-11=55 Exploring Operation: 66/11=6, Resulting Numbers: [8, 14, 6] Generated Node #0,2: 16:[8, 14, 6] Operation: 66/11=6 Exploring Operation: 14-11=3, Resulting Numbers: [8, 66, 3] Generated Node #0,3: 16:[8, 66, 3] Operation: 14-11=3 Exploring Operation: 66-14=52, Resulting Numbers: [11, 8, 52] Generated Node #0,4: 16:[11, 8, 52] Operation: 66-14=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[8, 14, 6], Operations: ['66/11=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14, 14] Generated Node #0,2,0: 16:[14, 14] Operation: 8+6=14 Exploring Operation: 14-8=6, Resulting Numbers: [6, 6] Generated Node #0,2,1: 16:[6, 6] Operation: 14-8=6 Exploring Operation: 14-6=8, Resulting Numbers: [8, 8] Generated Node #0,2,2: 16:[8, 8] Operation: 14-6=8 Exploring Operation: 8-6=2, Resulting Numbers: [14, 2] Generated Node #0,2,3: 16:[14, 2] Operation: 8-6=2 Exploring Operation: 14+6=20, Resulting Numbers: [8, 20] Generated Node #0,2,4: 16:[8, 20] Operation: 14+6=20 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[8, 8], Operations: ['66/11=6', '14-6=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[11, 8, 14, 66], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [8, 14, 6] Generated Node #0,2: 16:[8, 14, 6] Operation: 66/11=6 Moving to Node #0,2 Current State: 16:[8, 14, 6], Operations: ['66/11=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8, 8] Generated Node #0,2,2: 16:[8, 8] Operation: 14-6=8 Moving to Node #0,2,2 Current State: 16:[8, 8], Operations: ['66/11=6', '14-6=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 46, 63, 49, 71 ]
87
[ "46+63=109", "71-49=22", "109-22=87" ]
Current State: 87:[46, 63, 49, 71], Operations: [] Exploring Operation: 46+63=109, Resulting Numbers: [49, 71, 109] Generated Node #2: [49, 71, 109] from Operation: 46+63=109 Current State: 87:[49, 71, 109], Operations: ['46+63=109'] Exploring Operation: 71-49=22, Resulting Numbers: [109, 22] Generated Node #3: [109, 22] from Operation: 71-49=22 Current State: 87:[109, 22], Operations: ['46+63=109', '71-49=22'] Exploring Operation: 109-22=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[46, 63, 49, 71], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [63, 71, 3] Generated Node #0,0: 87:[63, 71, 3] Operation: 49-46=3 Exploring Operation: 63-49=14, Resulting Numbers: [46, 71, 14] Generated Node #0,1: 87:[46, 71, 14] Operation: 63-49=14 Exploring Operation: 63-46=17, Resulting Numbers: [49, 71, 17] Generated Node #0,2: 87:[49, 71, 17] Operation: 63-46=17 Exploring Operation: 71-63=8, Resulting Numbers: [46, 49, 8] Generated Node #0,3: 87:[46, 49, 8] Operation: 71-63=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[63, 71, 3], Operations: ['49-46=3'] Exploring Operation: 63+3=66, Resulting Numbers: [71, 66] Generated Node #0,0,0: 87:[71, 66] Operation: 63+3=66 Exploring Operation: 71-63=8, Resulting Numbers: [3, 8] Generated Node #0,0,1: 87:[3, 8] Operation: 71-63=8 Exploring Operation: 71+3=74, Resulting Numbers: [63, 74] Generated Node #0,0,2: 87:[63, 74] Operation: 71+3=74 Exploring Operation: 63/3=21, Resulting Numbers: [71, 21] Generated Node #0,0,3: 87:[71, 21] Operation: 63/3=21 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[3, 8], Operations: ['49-46=3', '71-63=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 87:[71, 21], Operations: ['49-46=3', '63/3=21'] Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 71+21=92, Resulting Numbers: [92] 92,87 unequal: No Solution Exploring Operation: 71*21=1491, Resulting Numbers: [1491] 1491,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[71, 66], Operations: ['49-46=3', '63+3=66'] Exploring Operation: 71+66=137, Resulting Numbers: [137] 137,87 unequal: No Solution Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 71*66=4686, Resulting Numbers: [4686] 4686,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[63, 74], Operations: ['49-46=3', '71+3=74'] Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,87 unequal: No Solution Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,87 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[46, 49, 8], Operations: ['71-63=8'] Exploring Operation: 46-8=38, Resulting Numbers: [49, 38] Generated Node #0,3,0: 87:[49, 38] Operation: 46-8=38 Exploring Operation: 49-8=41, Resulting Numbers: [46, 41] Generated Node #0,3,1: 87:[46, 41] Operation: 49-8=41 Exploring Operation: 49-46=3, Resulting Numbers: [8, 3] Generated Node #0,3,2: 87:[8, 3] Operation: 49-46=3 Exploring Operation: 46+49=95, Resulting Numbers: [8, 95] Generated Node #0,3,3: 87:[8, 95] Operation: 46+49=95 Moving to Node #0,3,2 Current State: 87:[8, 3], Operations: ['71-63=8', '49-46=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[8, 95], Operations: ['71-63=8', '46+49=95'] Exploring Operation: 8+95=103, Resulting Numbers: [103] 103,87 unequal: No Solution Exploring Operation: 8*95=760, Resulting Numbers: [760] 760,87 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[46, 63, 49, 71], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [46, 49, 8] Generated Node #0,3: 87:[46, 49, 8] Operation: 71-63=8 Moving to Node #0,3 Current State: 87:[46, 49, 8], Operations: ['71-63=8'] Exploring Operation: 46+49=95, Resulting Numbers: [8, 95] Generated Node #0,3,3: 87:[8, 95] Operation: 46+49=95 Moving to Node #0,3,3 Current State: 87:[8, 95], Operations: ['71-63=8', '46+49=95'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 77, 82, 9, 11 ]
84
[ "77/11=7", "82+9=91", "91-7=84" ]
Current State: 84:[77, 82, 9, 11], Operations: [] Exploring Operation: 77/11=7, Resulting Numbers: [82, 9, 7] Generated Node #2: [82, 9, 7] from Operation: 77/11=7 Current State: 84:[82, 9, 7], Operations: ['77/11=7'] Exploring Operation: 82+9=91, Resulting Numbers: [7, 91] Generated Node #3: [7, 91] from Operation: 82+9=91 Current State: 84:[7, 91], Operations: ['77/11=7', '82+9=91'] Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[77, 82, 9, 11], Operations: [] Exploring Operation: 77+9=86, Resulting Numbers: [82, 11, 86] Generated Node #0,0: 84:[82, 11, 86] Operation: 77+9=86 Exploring Operation: 82-77=5, Resulting Numbers: [9, 11, 5] Generated Node #0,1: 84:[9, 11, 5] Operation: 82-77=5 Exploring Operation: 77/11=7, Resulting Numbers: [82, 9, 7] Generated Node #0,2: 84:[82, 9, 7] Operation: 77/11=7 Moving to Node #0,1 Current State: 84:[9, 11, 5], Operations: ['82-77=5'] Exploring Operation: 9+5=14, Resulting Numbers: [11, 14] Generated Node #0,1,0: 84:[11, 14] Operation: 9+5=14 Exploring Operation: 9-5=4, Resulting Numbers: [11, 4] Generated Node #0,1,1: 84:[11, 4] Operation: 9-5=4 Exploring Operation: 11-9=2, Resulting Numbers: [5, 2] Generated Node #0,1,2: 84:[5, 2] Operation: 11-9=2 Moving to Node #0,2 Current State: 84:[82, 9, 7], Operations: ['77/11=7'] Exploring Operation: 82+9=91, Resulting Numbers: [7, 91] Generated Node #0,2,0: 84:[7, 91] Operation: 82+9=91 Exploring Operation: 9-7=2, Resulting Numbers: [82, 2] Generated Node #0,2,1: 84:[82, 2] Operation: 9-7=2 Exploring Operation: 9+7=16, Resulting Numbers: [82, 16] Generated Node #0,2,2: 84:[82, 16] Operation: 9+7=16 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[82, 2], Operations: ['77/11=7', '9-7=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[77, 82, 9, 11], Operations: [] Exploring Operation: 77/11=7, Resulting Numbers: [82, 9, 7] Generated Node #0,2: 84:[82, 9, 7] Operation: 77/11=7 Moving to Node #0,2 Current State: 84:[82, 9, 7], Operations: ['77/11=7'] Exploring Operation: 9-7=2, Resulting Numbers: [82, 2] Generated Node #0,2,1: 84:[82, 2] Operation: 9-7=2 Moving to Node #0,2,1 Current State: 84:[82, 2], Operations: ['77/11=7', '9-7=2'] Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 42, 90, 7, 6 ]
98
[ "90*7=630", "630-42=588", "588/6=98" ]
Current State: 98:[42, 90, 7, 6], Operations: [] Exploring Operation: 90*7=630, Resulting Numbers: [42, 6, 630] Generated Node #2: [42, 6, 630] from Operation: 90*7=630 Current State: 98:[42, 6, 630], Operations: ['90*7=630'] Exploring Operation: 630-42=588, Resulting Numbers: [6, 588] Generated Node #3: [6, 588] from Operation: 630-42=588 Current State: 98:[6, 588], Operations: ['90*7=630', '630-42=588'] Exploring Operation: 588/6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[42, 90, 7, 6], Operations: [] Exploring Operation: 90-42=48, Resulting Numbers: [7, 6, 48] Generated Node #0,0: 98:[7, 6, 48] Operation: 90-42=48 Exploring Operation: 42+6=48, Resulting Numbers: [90, 7, 48] Generated Node #0,1: 98:[90, 7, 48] Operation: 42+6=48 Exploring Operation: 90/6=15, Resulting Numbers: [42, 7, 15] Generated Node #0,2: 98:[42, 7, 15] Operation: 90/6=15 Exploring Operation: 42+7=49, Resulting Numbers: [90, 6, 49] Generated Node #0,3: 98:[90, 6, 49] Operation: 42+7=49 Exploring Operation: 42/6=7, Resulting Numbers: [90, 7, 7] Generated Node #0,4: 98:[90, 7, 7] Operation: 42/6=7 Moving to Node #0,0 Current State: 98:[7, 6, 48], Operations: ['90-42=48'] Exploring Operation: 7+48=55, Resulting Numbers: [6, 55] Generated Node #0,0,0: 98:[6, 55] Operation: 7+48=55 Exploring Operation: 6+48=54, Resulting Numbers: [7, 54] Generated Node #0,0,1: 98:[7, 54] Operation: 6+48=54 Exploring Operation: 7+6=13, Resulting Numbers: [48, 13] Generated Node #0,0,2: 98:[48, 13] Operation: 7+6=13 Exploring Operation: 48/6=8, Resulting Numbers: [7, 8] Generated Node #0,0,3: 98:[7, 8] Operation: 48/6=8 Exploring Operation: 7-6=1, Resulting Numbers: [48, 1] Generated Node #0,0,4: 98:[48, 1] Operation: 7-6=1 Moving to Node #0,4 Current State: 98:[90, 7, 7], Operations: ['42/6=7'] Exploring Operation: 90+7=97, Resulting Numbers: [7, 97] Generated Node #0,4,0: 98:[7, 97] Operation: 90+7=97 Exploring Operation: 7+7=14, Resulting Numbers: [90, 14] Generated Node #0,4,1: 98:[90, 14] Operation: 7+7=14 Exploring Operation: 7*7=49, Resulting Numbers: [90, 49] Generated Node #0,4,2: 98:[90, 49] Operation: 7*7=49 Exploring Operation: 90+7=97, Resulting Numbers: [7, 97] Generated Node #0,4,3: 98:[7, 97] Operation: 90+7=97 Exploring Operation: 7/7=1, Resulting Numbers: [90, 1] Generated Node #0,4,4: 98:[90, 1] Operation: 7/7=1 Moving to Node #0,2 Current State: 98:[42, 7, 15], Operations: ['90/6=15'] Exploring Operation: 15-7=8, Resulting Numbers: [42, 8] Generated Node #0,2,0: 98:[42, 8] Operation: 15-7=8 Exploring Operation: 42+7=49, Resulting Numbers: [15, 49] Generated Node #0,2,1: 98:[15, 49] Operation: 42+7=49 Exploring Operation: 42+15=57, Resulting Numbers: [7, 57] Generated Node #0,2,2: 98:[7, 57] Operation: 42+15=57 Exploring Operation: 42/7=6, Resulting Numbers: [15, 6] Generated Node #0,2,3: 98:[15, 6] Operation: 42/7=6 Exploring Operation: 42-15=27, Resulting Numbers: [7, 27] Generated Node #0,2,4: 98:[7, 27] Operation: 42-15=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[15, 49], Operations: ['90/6=15', '42+7=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,98 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 98:[15, 6], Operations: ['90/6=15', '42/7=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[42, 8], Operations: ['90/6=15', '15-7=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,98 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[7, 57], Operations: ['90/6=15', '42+15=57'] Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 7*57=399, Resulting Numbers: [399] 399,98 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 98:[7, 27], Operations: ['90/6=15', '42-15=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,98 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 98:[90, 7, 48], Operations: ['42+6=48'] Exploring Operation: 7+48=55, Resulting Numbers: [90, 55] Generated Node #0,1,0: 98:[90, 55] Operation: 7+48=55 Exploring Operation: 90+7=97, Resulting Numbers: [48, 97] Generated Node #0,1,1: 98:[48, 97] Operation: 90+7=97 Exploring Operation: 90-7=83, Resulting Numbers: [48, 83] Generated Node #0,1,2: 98:[48, 83] Operation: 90-7=83 Exploring Operation: 90-48=42, Resulting Numbers: [7, 42] Generated Node #0,1,3: 98:[7, 42] Operation: 90-48=42 Exploring Operation: 48-7=41, Resulting Numbers: [90, 41] Generated Node #0,1,4: 98:[90, 41] Operation: 48-7=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[48, 97], Operations: ['42+6=48', '90+7=97'] Exploring Operation: 48*97=4656, Resulting Numbers: [4656] 4656,98 unequal: No Solution Exploring Operation: 97-48=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 48+97=145, Resulting Numbers: [145] 145,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 98:[7, 42], Operations: ['42+6=48', '90-48=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,98 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[90, 55], Operations: ['42+6=48', '7+48=55'] Exploring Operation: 90-55=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 90+55=145, Resulting Numbers: [145] 145,98 unequal: No Solution Exploring Operation: 90*55=4950, Resulting Numbers: [4950] 4950,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[48, 83], Operations: ['42+6=48', '90-7=83'] Exploring Operation: 48+83=131, Resulting Numbers: [131] 131,98 unequal: No Solution Exploring Operation: 48*83=3984, Resulting Numbers: [3984] 3984,98 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 98:[90, 41], Operations: ['42+6=48', '48-7=41'] Exploring Operation: 90*41=3690, Resulting Numbers: [3690] 3690,98 unequal: No Solution Exploring Operation: 90+41=131, Resulting Numbers: [131] 131,98 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,98 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: 98:[90, 6, 49], Operations: ['42+7=49'] Exploring Operation: 90-49=41, Resulting Numbers: [6, 41] Generated Node #0,3,0: 98:[6, 41] Operation: 90-49=41 Exploring Operation: 6+49=55, Resulting Numbers: [90, 55] Generated Node #0,3,1: 98:[90, 55] Operation: 6+49=55 Exploring Operation: 90/6=15, Resulting Numbers: [49, 15] Generated Node #0,3,2: 98:[49, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [49, 84] Generated Node #0,3,3: 98:[49, 84] Operation: 90-6=84 Exploring Operation: 90+6=96, Resulting Numbers: [49, 96] Generated Node #0,3,4: 98:[49, 96] Operation: 90+6=96 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 98:[49, 15], Operations: ['42+7=49', '90/6=15'] Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 98:[49, 96], Operations: ['42+7=49', '90+6=96'] Exploring Operation: 49+96=145, Resulting Numbers: [145] 145,98 unequal: No Solution Exploring Operation: 96-49=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 49*96=4704, Resulting Numbers: [4704] 4704,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 98:[6, 41], Operations: ['42+7=49', '90-49=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,98 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 98:[90, 55], Operations: ['42+7=49', '6+49=55'] Exploring Operation: 90+55=145, Resulting Numbers: [145] 145,98 unequal: No Solution Exploring Operation: 90*55=4950, Resulting Numbers: [4950] 4950,98 unequal: No Solution Exploring Operation: 90-55=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 98:[49, 84], Operations: ['42+7=49', '90-6=84'] Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 49*84=4116, Resulting Numbers: [4116] 4116,98 unequal: No Solution Exploring Operation: 49+84=133, Resulting Numbers: [133] 133,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 98:[7, 8], Operations: ['90-42=48', '48/6=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[7, 97], Operations: ['42/6=7', '90+7=97'] Exploring Operation: 7+97=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 7*97=679, Resulting Numbers: [679] 679,98 unequal: No Solution Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[7, 97], Operations: ['42/6=7', '90+7=97'] Exploring Operation: 7+97=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 7*97=679, Resulting Numbers: [679] 679,98 unequal: No Solution Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[48, 1], Operations: ['90-42=48', '7-6=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[48, 13], Operations: ['90-42=48', '7+6=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,98 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[7, 54], Operations: ['90-42=48', '6+48=54'] Exploring Operation: 7*54=378, Resulting Numbers: [378] 378,98 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[6, 55], Operations: ['90-42=48', '7+48=55'] Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,98 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 6*55=330, Resulting Numbers: [330] 330,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[90, 49], Operations: ['42/6=7', '7*7=49'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 90+49=139, Resulting Numbers: [139] 139,98 unequal: No Solution Exploring Operation: 90*49=4410, Resulting Numbers: [4410] 4410,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[90, 14], Operations: ['42/6=7', '7+7=14'] Exploring Operation: 90*14=1260, Resulting Numbers: [1260] 1260,98 unequal: No Solution Exploring Operation: 90+14=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[90, 1], Operations: ['42/6=7', '7/7=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,98 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 39, 52, 4, 68 ]
92
[ "39+52=91", "91-68=23", "4*23=92" ]
Current State: 92:[39, 52, 4, 68], Operations: [] Exploring Operation: 39+52=91, Resulting Numbers: [4, 68, 91] Generated Node #2: [4, 68, 91] from Operation: 39+52=91 Current State: 92:[4, 68, 91], Operations: ['39+52=91'] Exploring Operation: 91-68=23, Resulting Numbers: [4, 23] Generated Node #3: [4, 23] from Operation: 91-68=23 Current State: 92:[4, 23], Operations: ['39+52=91', '91-68=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[39, 52, 4, 68], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [39, 52, 17] Generated Node #0,0: 92:[39, 52, 17] Operation: 68/4=17 Exploring Operation: 68-39=29, Resulting Numbers: [52, 4, 29] Generated Node #0,1: 92:[52, 4, 29] Operation: 68-39=29 Exploring Operation: 68-52=16, Resulting Numbers: [39, 4, 16] Generated Node #0,2: 92:[39, 4, 16] Operation: 68-52=16 Exploring Operation: 39+68=107, Resulting Numbers: [52, 4, 107] Generated Node #0,3: 92:[52, 4, 107] Operation: 39+68=107 Moving to Node #0,1 Current State: 92:[52, 4, 29], Operations: ['68-39=29'] Exploring Operation: 52-4=48, Resulting Numbers: [29, 48] Generated Node #0,1,0: 92:[29, 48] Operation: 52-4=48 Exploring Operation: 52+29=81, Resulting Numbers: [4, 81] Generated Node #0,1,1: 92:[4, 81] Operation: 52+29=81 Exploring Operation: 52-29=23, Resulting Numbers: [4, 23] Generated Node #0,1,2: 92:[4, 23] Operation: 52-29=23 Exploring Operation: 29-4=25, Resulting Numbers: [52, 25] Generated Node #0,1,3: 92:[52, 25] Operation: 29-4=25 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[4, 23], Operations: ['68-39=29', '52-29=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[39, 52, 4, 68], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [52, 4, 29] Generated Node #0,1: 92:[52, 4, 29] Operation: 68-39=29 Moving to Node #0,1 Current State: 92:[52, 4, 29], Operations: ['68-39=29'] Exploring Operation: 52-29=23, Resulting Numbers: [4, 23] Generated Node #0,1,2: 92:[4, 23] Operation: 52-29=23 Moving to Node #0,1,2 Current State: 92:[4, 23], Operations: ['68-39=29', '52-29=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 4, 29, 5, 19 ]
30
[ "29-4=25", "25-19=6", "5*6=30" ]
Current State: 30:[4, 29, 5, 19], Operations: [] Exploring Operation: 29-4=25, Resulting Numbers: [5, 19, 25] Generated Node #2: [5, 19, 25] from Operation: 29-4=25 Current State: 30:[5, 19, 25], Operations: ['29-4=25'] Exploring Operation: 25-19=6, Resulting Numbers: [5, 6] Generated Node #3: [5, 6] from Operation: 25-19=6 Current State: 30:[5, 6], Operations: ['29-4=25', '25-19=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[4, 29, 5, 19], Operations: [] Exploring Operation: 29-19=10, Resulting Numbers: [4, 5, 10] Generated Node #0,0: 30:[4, 5, 10] Operation: 29-19=10 Exploring Operation: 19-4=15, Resulting Numbers: [29, 5, 15] Generated Node #0,1: 30:[29, 5, 15] Operation: 19-4=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[4, 5, 10], Operations: ['29-19=10'] Exploring Operation: 10-4=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 30:[5, 6] Operation: 10-4=6 Exploring Operation: 4+5=9, Resulting Numbers: [10, 9] Generated Node #0,0,1: 30:[10, 9] Operation: 4+5=9 Moving to Node #0,0,0 Current State: 30:[5, 6], Operations: ['29-19=10', '10-4=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[4, 29, 5, 19], Operations: [] Exploring Operation: 29-19=10, Resulting Numbers: [4, 5, 10] Generated Node #0,0: 30:[4, 5, 10] Operation: 29-19=10 Moving to Node #0,0 Current State: 30:[4, 5, 10], Operations: ['29-19=10'] Exploring Operation: 10-4=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 30:[5, 6] Operation: 10-4=6 Moving to Node #0,0,0 Current State: 30:[5, 6], Operations: ['29-19=10', '10-4=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 70, 59, 89, 51 ]
61
[ "89+51=140", "140/70=2", "59+2=61" ]
Current State: 61:[70, 59, 89, 51], Operations: [] Exploring Operation: 89+51=140, Resulting Numbers: [70, 59, 140] Generated Node #2: [70, 59, 140] from Operation: 89+51=140 Current State: 61:[70, 59, 140], Operations: ['89+51=140'] Exploring Operation: 140/70=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 140/70=2 Current State: 61:[59, 2], Operations: ['89+51=140', '140/70=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[70, 59, 89, 51], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [70, 59, 38] Generated Node #0,0: 61:[70, 59, 38] Operation: 89-51=38 Moving to Node #0,0 Current State: 61:[70, 59, 38], Operations: ['89-51=38'] Exploring Operation: 70-38=32, Resulting Numbers: [59, 32] Generated Node #0,0,0: 61:[59, 32] Operation: 70-38=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[59, 32], Operations: ['89-51=38', '70-38=32'] Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,61 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
[ 34, 22, 14, 47 ]
43
[ "34+22=56", "56/14=4", "47-4=43" ]
Current State: 43:[34, 22, 14, 47], Operations: [] Exploring Operation: 34+22=56, Resulting Numbers: [14, 47, 56] Generated Node #2: [14, 47, 56] from Operation: 34+22=56 Current State: 43:[14, 47, 56], Operations: ['34+22=56'] Exploring Operation: 56/14=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 56/14=4 Current State: 43:[47, 4], Operations: ['34+22=56', '56/14=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[34, 22, 14, 47], Operations: [] Exploring Operation: 22+14=36, Resulting Numbers: [34, 47, 36] Generated Node #0,0: 43:[34, 47, 36] Operation: 22+14=36 Moving to Node #0,0 Current State: 43:[34, 47, 36], Operations: ['22+14=36'] Exploring Operation: 34+36=70, Resulting Numbers: [47, 70] Generated Node #0,0,0: 43:[47, 70] Operation: 34+36=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[47, 70], Operations: ['22+14=36', '34+36=70'] Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,43 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
[ 54, 70, 43, 19 ]
100
[ "54+70=124", "43-19=24", "124-24=100" ]
Current State: 100:[54, 70, 43, 19], Operations: [] Exploring Operation: 54+70=124, Resulting Numbers: [43, 19, 124] Generated Node #2: [43, 19, 124] from Operation: 54+70=124 Current State: 100:[43, 19, 124], Operations: ['54+70=124'] Exploring Operation: 43-19=24, Resulting Numbers: [124, 24] Generated Node #3: [124, 24] from Operation: 43-19=24 Current State: 100:[124, 24], Operations: ['54+70=124', '43-19=24'] Exploring Operation: 124-24=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[54, 70, 43, 19], Operations: [] Exploring Operation: 70-19=51, Resulting Numbers: [54, 43, 51] Generated Node #0,0: 100:[54, 43, 51] Operation: 70-19=51 Exploring Operation: 70-54=16, Resulting Numbers: [43, 19, 16] Generated Node #0,1: 100:[43, 19, 16] Operation: 70-54=16 Exploring Operation: 70-43=27, Resulting Numbers: [54, 19, 27] Generated Node #0,2: 100:[54, 19, 27] Operation: 70-43=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[54, 19, 27], Operations: ['70-43=27'] Exploring Operation: 27-19=8, Resulting Numbers: [54, 8] Generated Node #0,2,0: 100:[54, 8] Operation: 27-19=8 Exploring Operation: 54/27=2, Resulting Numbers: [19, 2] Generated Node #0,2,1: 100:[19, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [19, 27] Generated Node #0,2,2: 100:[19, 27] Operation: 54-27=27 Moving to Node #0,2,1 Current State: 100:[19, 2], Operations: ['70-43=27', '54/27=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[19, 27], Operations: ['70-43=27', '54-27=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[54, 8], Operations: ['70-43=27', '27-19=8'] Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,100 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[54, 43, 51], Operations: ['70-19=51'] Exploring Operation: 54-43=11, Resulting Numbers: [51, 11] Generated Node #0,0,0: 100:[51, 11] Operation: 54-43=11 Exploring Operation: 54+43=97, Resulting Numbers: [51, 97] Generated Node #0,0,1: 100:[51, 97] Operation: 54+43=97 Exploring Operation: 51-43=8, Resulting Numbers: [54, 8] Generated Node #0,0,2: 100:[54, 8] Operation: 51-43=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[51, 11], Operations: ['70-19=51', '54-43=11'] Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,100 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,100 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,100 unequal: No Solution No 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: 100:[51, 97], Operations: ['70-19=51', '54+43=97'] Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 51+97=148, Resulting Numbers: [148] 148,100 unequal: No Solution Exploring Operation: 51*97=4947, Resulting Numbers: [4947] 4947,100 unequal: No Solution No 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: 100:[54, 8], Operations: ['70-19=51', '51-43=8'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,100 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[43, 19, 16], Operations: ['70-54=16'] Exploring Operation: 19-16=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 100:[43, 3] Operation: 19-16=3 Exploring Operation: 43-19=24, Resulting Numbers: [16, 24] Generated Node #0,1,1: 100:[16, 24] Operation: 43-19=24 Exploring Operation: 43-16=27, Resulting Numbers: [19, 27] Generated Node #0,1,2: 100:[19, 27] Operation: 43-16=27 Moving to Node #0,1,2 Current State: 100:[19, 27], Operations: ['70-54=16', '43-16=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,100 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[16, 24], Operations: ['70-54=16', '43-19=24'] Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,100 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[43, 3], Operations: ['70-54=16', '19-16=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,100 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,100 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,100 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
[ 89, 32, 1, 16 ]
41
[ "89-32=57", "1*16=16", "57-16=41" ]
Current State: 41:[89, 32, 1, 16], Operations: [] Exploring Operation: 89-32=57, Resulting Numbers: [1, 16, 57] Generated Node #2: [1, 16, 57] from Operation: 89-32=57 Current State: 41:[1, 16, 57], Operations: ['89-32=57'] Exploring Operation: 1*16=16, Resulting Numbers: [57, 16] Generated Node #3: [57, 16] from Operation: 1*16=16 Current State: 41:[57, 16], Operations: ['89-32=57', '1*16=16'] Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[89, 32, 1, 16], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [32, 1, 73] Generated Node #0,0: 41:[32, 1, 73] Operation: 89-16=73 Exploring Operation: 1+16=17, Resulting Numbers: [89, 32, 17] Generated Node #0,1: 41:[89, 32, 17] Operation: 1+16=17 Exploring Operation: 32+1=33, Resulting Numbers: [89, 16, 33] Generated Node #0,2: 41:[89, 16, 33] Operation: 32+1=33 Exploring Operation: 89-32=57, Resulting Numbers: [1, 16, 57] Generated Node #0,3: 41:[1, 16, 57] Operation: 89-32=57 Exploring Operation: 89-1=88, Resulting Numbers: [32, 16, 88] Generated Node #0,4: 41:[32, 16, 88] Operation: 89-1=88 Moving to Node #0,0 Current State: 41:[32, 1, 73], Operations: ['89-16=73'] Exploring Operation: 73-1=72, Resulting Numbers: [32, 72] Generated Node #0,0,0: 41:[32, 72] Operation: 73-1=72 Exploring Operation: 73-32=41, Resulting Numbers: [1, 41] Generated Node #0,0,1: 41:[1, 41] Operation: 73-32=41 Exploring Operation: 32+1=33, Resulting Numbers: [73, 33] Generated Node #0,0,2: 41:[73, 33] Operation: 32+1=33 Exploring Operation: 32*1=32, Resulting Numbers: [73, 32] Generated Node #0,0,3: 41:[73, 32] Operation: 32*1=32 Exploring Operation: 32/1=32, Resulting Numbers: [73, 32] Generated Node #0,0,4: 41:[73, 32] Operation: 32/1=32 Moving to Node #0,2 Current State: 41:[89, 16, 33], Operations: ['32+1=33'] Exploring Operation: 89-33=56, Resulting Numbers: [16, 56] Generated Node #0,2,0: 41:[16, 56] Operation: 89-33=56 Exploring Operation: 16+33=49, Resulting Numbers: [89, 49] Generated Node #0,2,1: 41:[89, 49] Operation: 16+33=49 Exploring Operation: 89+16=105, Resulting Numbers: [33, 105] Generated Node #0,2,2: 41:[33, 105] Operation: 89+16=105 Exploring Operation: 33-16=17, Resulting Numbers: [89, 17] Generated Node #0,2,3: 41:[89, 17] Operation: 33-16=17 Exploring Operation: 89-16=73, Resulting Numbers: [33, 73] Generated Node #0,2,4: 41:[33, 73] Operation: 89-16=73 Moving to Node #0,4 Current State: 41:[32, 16, 88], Operations: ['89-1=88'] Exploring Operation: 32+16=48, Resulting Numbers: [88, 48] Generated Node #0,4,0: 41:[88, 48] Operation: 32+16=48 Exploring Operation: 32-16=16, Resulting Numbers: [88, 16] Generated Node #0,4,1: 41:[88, 16] Operation: 32-16=16 Exploring Operation: 16+88=104, Resulting Numbers: [32, 104] Generated Node #0,4,2: 41:[32, 104] Operation: 16+88=104 Exploring Operation: 88-32=56, Resulting Numbers: [16, 56] Generated Node #0,4,3: 41:[16, 56] Operation: 88-32=56 Exploring Operation: 88-16=72, Resulting Numbers: [32, 72] Generated Node #0,4,4: 41:[32, 72] Operation: 88-16=72 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 41:[16, 56], Operations: ['89-1=88', '88-32=56'] Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,41 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 41:[32, 72], Operations: ['89-1=88', '88-16=72'] Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 41:[88, 48], Operations: ['89-1=88', '32+16=48'] Exploring Operation: 88*48=4224, Resulting Numbers: [4224] 4224,41 unequal: No Solution Exploring Operation: 88+48=136, Resulting Numbers: [136] 136,41 unequal: No Solution Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 41:[88, 16], Operations: ['89-1=88', '32-16=16'] Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,41 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 41:[32, 104], Operations: ['89-1=88', '16+88=104'] Exploring Operation: 32*104=3328, Resulting Numbers: [3328] 3328,41 unequal: No Solution Exploring Operation: 32+104=136, Resulting Numbers: [136] 136,41 unequal: No Solution Exploring Operation: 104-32=72, Resulting Numbers: [72] 72,41 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: 41:[89, 32, 17], Operations: ['1+16=17'] Exploring Operation: 89+17=106, Resulting Numbers: [32, 106] Generated Node #0,1,0: 41:[32, 106] Operation: 89+17=106 Exploring Operation: 32-17=15, Resulting Numbers: [89, 15] Generated Node #0,1,1: 41:[89, 15] Operation: 32-17=15 Exploring Operation: 89-17=72, Resulting Numbers: [32, 72] Generated Node #0,1,2: 41:[32, 72] Operation: 89-17=72 Exploring Operation: 89-32=57, Resulting Numbers: [17, 57] Generated Node #0,1,3: 41:[17, 57] Operation: 89-32=57 Exploring Operation: 32+17=49, Resulting Numbers: [89, 49] Generated Node #0,1,4: 41:[89, 49] Operation: 32+17=49 Moving to Node #0,3 Current State: 41:[1, 16, 57], Operations: ['89-32=57'] Exploring Operation: 57-16=41, Resulting Numbers: [1, 41] Generated Node #0,3,0: 41:[1, 41] Operation: 57-16=41 Exploring Operation: 16/1=16, Resulting Numbers: [57, 16] Generated Node #0,3,1: 41:[57, 16] Operation: 16/1=16 Exploring Operation: 1+16=17, Resulting Numbers: [57, 17] Generated Node #0,3,2: 41:[57, 17] Operation: 1+16=17 Exploring Operation: 1*16=16, Resulting Numbers: [57, 16] Generated Node #0,3,3: 41:[57, 16] Operation: 1*16=16 Exploring Operation: 57-1=56, Resulting Numbers: [16, 56] Generated Node #0,3,4: 41:[16, 56] Operation: 57-1=56 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[1, 41], Operations: ['89-32=57', '57-16=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[89, 32, 1, 16], Operations: [] Exploring Operation: 89-32=57, Resulting Numbers: [1, 16, 57] Generated Node #0,3: 41:[1, 16, 57] Operation: 89-32=57 Moving to Node #0,3 Current State: 41:[1, 16, 57], Operations: ['89-32=57'] Exploring Operation: 57-16=41, Resulting Numbers: [1, 41] Generated Node #0,3,0: 41:[1, 41] Operation: 57-16=41 Moving to Node #0,3,0 Current State: 41:[1, 41], Operations: ['89-32=57', '57-16=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 37, 6, 90, 2 ]
79
[ "90-6=84", "84/2=42", "37+42=79" ]
Current State: 79:[37, 6, 90, 2], Operations: [] Exploring Operation: 90-6=84, Resulting Numbers: [37, 2, 84] Generated Node #2: [37, 2, 84] from Operation: 90-6=84 Current State: 79:[37, 2, 84], Operations: ['90-6=84'] Exploring Operation: 84/2=42, Resulting Numbers: [37, 42] Generated Node #3: [37, 42] from Operation: 84/2=42 Current State: 79:[37, 42], Operations: ['90-6=84', '84/2=42'] Exploring Operation: 37+42=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[37, 6, 90, 2], Operations: [] Exploring Operation: 37*2=74, Resulting Numbers: [6, 90, 74] Generated Node #0,0: 79:[6, 90, 74] Operation: 37*2=74 Exploring Operation: 37+2=39, Resulting Numbers: [6, 90, 39] Generated Node #0,1: 79:[6, 90, 39] Operation: 37+2=39 Exploring Operation: 6*2=12, Resulting Numbers: [37, 90, 12] Generated Node #0,2: 79:[37, 90, 12] Operation: 6*2=12 Exploring Operation: 90-6=84, Resulting Numbers: [37, 2, 84] Generated Node #0,3: 79:[37, 2, 84] Operation: 90-6=84 Exploring Operation: 37+6=43, Resulting Numbers: [90, 2, 43] Generated Node #0,4: 79:[90, 2, 43] Operation: 37+6=43 Moving to Node #0,0 Current State: 79:[6, 90, 74], Operations: ['37*2=74'] Exploring Operation: 6+90=96, Resulting Numbers: [74, 96] Generated Node #0,0,0: 79:[74, 96] Operation: 6+90=96 Exploring Operation: 6+74=80, Resulting Numbers: [90, 80] Generated Node #0,0,1: 79:[90, 80] Operation: 6+74=80 Exploring Operation: 90/6=15, Resulting Numbers: [74, 15] Generated Node #0,0,2: 79:[74, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [74, 84] Generated Node #0,0,3: 79:[74, 84] Operation: 90-6=84 Exploring Operation: 74-6=68, Resulting Numbers: [90, 68] Generated Node #0,0,4: 79:[90, 68] Operation: 74-6=68 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[74, 84], Operations: ['37*2=74', '90-6=84'] Exploring Operation: 74+84=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 74*84=6216, Resulting Numbers: [6216] 6216,79 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 #0,0,1 Current State: 79:[90, 80], Operations: ['37*2=74', '6+74=80'] Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 90*80=7200, Resulting Numbers: [7200] 7200,79 unequal: No Solution Exploring Operation: 90+80=170, Resulting Numbers: [170] 170,79 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 #0,0,0 Current State: 79:[74, 96], Operations: ['37*2=74', '6+90=96'] Exploring Operation: 96-74=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 74+96=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 74*96=7104, Resulting Numbers: [7104] 7104,79 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 #0,0,4 Current State: 79:[90, 68], Operations: ['37*2=74', '74-6=68'] Exploring Operation: 90+68=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 90*68=6120, Resulting Numbers: [6120] 6120,79 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 #0,0,2 Current State: 79:[74, 15], Operations: ['37*2=74', '90/6=15'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,79 unequal: No Solution Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,79 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: 79:[37, 90, 12], Operations: ['6*2=12'] Exploring Operation: 37-12=25, Resulting Numbers: [90, 25] Generated Node #0,2,0: 79:[90, 25] Operation: 37-12=25 Exploring Operation: 37+12=49, Resulting Numbers: [90, 49] Generated Node #0,2,1: 79:[90, 49] Operation: 37+12=49 Exploring Operation: 90-37=53, Resulting Numbers: [12, 53] Generated Node #0,2,2: 79:[12, 53] Operation: 90-37=53 Exploring Operation: 90-12=78, Resulting Numbers: [37, 78] Generated Node #0,2,3: 79:[37, 78] Operation: 90-12=78 Exploring Operation: 90+12=102, Resulting Numbers: [37, 102] Generated Node #0,2,4: 79:[37, 102] Operation: 90+12=102 Moving to Node #0,1 Current State: 79:[6, 90, 39], Operations: ['37+2=39'] Exploring Operation: 6+90=96, Resulting Numbers: [39, 96] Generated Node #0,1,0: 79:[39, 96] Operation: 6+90=96 Exploring Operation: 39-6=33, Resulting Numbers: [90, 33] Generated Node #0,1,1: 79:[90, 33] Operation: 39-6=33 Exploring Operation: 6+39=45, Resulting Numbers: [90, 45] Generated Node #0,1,2: 79:[90, 45] Operation: 6+39=45 Exploring Operation: 90-6=84, Resulting Numbers: [39, 84] Generated Node #0,1,3: 79:[39, 84] Operation: 90-6=84 Exploring Operation: 90-39=51, Resulting Numbers: [6, 51] Generated Node #0,1,4: 79:[6, 51] Operation: 90-39=51 Moving to Node #0,3 Current State: 79:[37, 2, 84], Operations: ['90-6=84'] Exploring Operation: 84-2=82, Resulting Numbers: [37, 82] Generated Node #0,3,0: 79:[37, 82] Operation: 84-2=82 Exploring Operation: 37-2=35, Resulting Numbers: [84, 35] Generated Node #0,3,1: 79:[84, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [84, 39] Generated Node #0,3,2: 79:[84, 39] Operation: 37+2=39 Exploring Operation: 2+84=86, Resulting Numbers: [37, 86] Generated Node #0,3,3: 79:[37, 86] Operation: 2+84=86 Exploring Operation: 37*2=74, Resulting Numbers: [84, 74] Generated Node #0,3,4: 79:[84, 74] Operation: 37*2=74 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 79:[84, 74], Operations: ['90-6=84', '37*2=74'] Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,79 unequal: No Solution Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,79 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 #0,3,0 Current State: 79:[37, 82], Operations: ['90-6=84', '84-2=82'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 37+82=119, Resulting Numbers: [119] 119,79 unequal: No Solution Exploring Operation: 37*82=3034, Resulting Numbers: [3034] 3034,79 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 #0,3,2 Current State: 79:[84, 39], Operations: ['90-6=84', '37+2=39'] Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 84+39=123, Resulting Numbers: [123] 123,79 unequal: No Solution Exploring Operation: 84*39=3276, Resulting Numbers: [3276] 3276,79 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 #0,3,1 Current State: 79:[84, 35], Operations: ['90-6=84', '37-2=35'] Exploring Operation: 84*35=2940, Resulting Numbers: [2940] 2940,79 unequal: No Solution Exploring Operation: 84+35=119, Resulting Numbers: [119] 119,79 unequal: No Solution Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,79 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 #0,3,3 Current State: 79:[37, 86], Operations: ['90-6=84', '2+84=86'] Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,79 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,79 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,79 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: 79:[90, 2, 43], Operations: ['37+6=43'] Exploring Operation: 90-2=88, Resulting Numbers: [43, 88] Generated Node #0,4,0: 79:[43, 88] Operation: 90-2=88 Exploring Operation: 43-2=41, Resulting Numbers: [90, 41] Generated Node #0,4,1: 79:[90, 41] Operation: 43-2=41 Exploring Operation: 2+43=45, Resulting Numbers: [90, 45] Generated Node #0,4,2: 79:[90, 45] Operation: 2+43=45 Exploring Operation: 2*43=86, Resulting Numbers: [90, 86] Generated Node #0,4,3: 79:[90, 86] Operation: 2*43=86 Exploring Operation: 90+2=92, Resulting Numbers: [43, 92] Generated Node #0,4,4: 79:[43, 92] Operation: 90+2=92 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 79:[90, 86], Operations: ['37+6=43', '2*43=86'] Exploring Operation: 90-86=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 90+86=176, Resulting Numbers: [176] 176,79 unequal: No Solution Exploring Operation: 90*86=7740, Resulting Numbers: [7740] 7740,79 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 #0,4,0 Current State: 79:[43, 88], Operations: ['37+6=43', '90-2=88'] Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,79 unequal: No Solution Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,79 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 #0,4,2 Current State: 79:[90, 45], Operations: ['37+6=43', '2+43=45'] Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,79 unequal: No Solution Exploring Operation: 90+45=135, Resulting Numbers: [135] 135,79 unequal: No Solution Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 90*45=4050, Resulting Numbers: [4050] 4050,79 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 #0,4,1 Current State: 79:[90, 41], Operations: ['37+6=43', '43-2=41'] Exploring Operation: 90+41=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 90*41=3690, Resulting Numbers: [3690] 3690,79 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,79 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 #0,4,4 Current State: 79:[43, 92], Operations: ['37+6=43', '90+2=92'] Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 43+92=135, Resulting Numbers: [135] 135,79 unequal: No Solution Exploring Operation: 43*92=3956, Resulting Numbers: [3956] 3956,79 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: 79:[90, 49], Operations: ['6*2=12', '37+12=49'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,79 unequal: No Solution Exploring Operation: 90*49=4410, Resulting Numbers: [4410] 4410,79 unequal: No Solution Exploring Operation: 90+49=139, Resulting Numbers: [139] 139,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[37, 78], Operations: ['6*2=12', '90-12=78'] Exploring Operation: 37*78=2886, Resulting Numbers: [2886] 2886,79 unequal: No Solution Exploring Operation: 37+78=115, Resulting Numbers: [115] 115,79 unequal: No Solution Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[90, 45], Operations: ['37+2=39', '6+39=45'] Exploring Operation: 90+45=135, Resulting Numbers: [135] 135,79 unequal: No Solution Exploring Operation: 90*45=4050, Resulting Numbers: [4050] 4050,79 unequal: No Solution Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,79 unequal: No Solution Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[39, 84], Operations: ['37+2=39', '90-6=84'] Exploring Operation: 39*84=3276, Resulting Numbers: [3276] 3276,79 unequal: No Solution Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 39+84=123, Resulting Numbers: [123] 123,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[39, 96], Operations: ['37+2=39', '6+90=96'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 39*96=3744, Resulting Numbers: [3744] 3744,79 unequal: No Solution Exploring Operation: 39+96=135, Resulting Numbers: [135] 135,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[90, 33], Operations: ['37+2=39', '39-6=33'] Exploring Operation: 90+33=123, Resulting Numbers: [123] 123,79 unequal: No Solution Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 90*33=2970, Resulting Numbers: [2970] 2970,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[90, 25], Operations: ['6*2=12', '37-12=25'] Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,79 unequal: No Solution Exploring Operation: 90*25=2250, Resulting Numbers: [2250] 2250,79 unequal: No Solution Exploring Operation: 90+25=115, Resulting Numbers: [115] 115,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[37, 102], Operations: ['6*2=12', '90+12=102'] Exploring Operation: 37*102=3774, Resulting Numbers: [3774] 3774,79 unequal: No Solution Exploring Operation: 37+102=139, Resulting Numbers: [139] 139,79 unequal: No Solution Exploring Operation: 102-37=65, Resulting Numbers: [65] 65,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[12, 53], Operations: ['6*2=12', '90-37=53'] Exploring Operation: 12*53=636, Resulting Numbers: [636] 636,79 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,79 unequal: No Solution Exploring Operation: 12+53=65, Resulting Numbers: [65] 65,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[6, 51], Operations: ['37+2=39', '90-39=51'] Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,79 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,79 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 96, 42, 22, 2 ]
79
[ "96-22=74", "74/2=37", "42+37=79" ]
Current State: 79:[96, 42, 22, 2], Operations: [] Exploring Operation: 96-22=74, Resulting Numbers: [42, 2, 74] Generated Node #2: [42, 2, 74] from Operation: 96-22=74 Current State: 79:[42, 2, 74], Operations: ['96-22=74'] Exploring Operation: 74/2=37, Resulting Numbers: [42, 37] Generated Node #3: [42, 37] from Operation: 74/2=37 Current State: 79:[42, 37], Operations: ['96-22=74', '74/2=37'] Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[96, 42, 22, 2], Operations: [] Exploring Operation: 22*2=44, Resulting Numbers: [96, 42, 44] Generated Node #0,0: 79:[96, 42, 44] Operation: 22*2=44 Exploring Operation: 96-2=94, Resulting Numbers: [42, 22, 94] Generated Node #0,1: 79:[42, 22, 94] Operation: 96-2=94 Exploring Operation: 42+22=64, Resulting Numbers: [96, 2, 64] Generated Node #0,2: 79:[96, 2, 64] Operation: 42+22=64 Exploring Operation: 42*2=84, Resulting Numbers: [96, 22, 84] Generated Node #0,3: 79:[96, 22, 84] Operation: 42*2=84 Exploring Operation: 42+2=44, Resulting Numbers: [96, 22, 44] Generated Node #0,4: 79:[96, 22, 44] Operation: 42+2=44 Moving to Node #0,3 Current State: 79:[96, 22, 84], Operations: ['42*2=84'] Exploring Operation: 22+84=106, Resulting Numbers: [96, 106] Generated Node #0,3,0: 79:[96, 106] Operation: 22+84=106 Exploring Operation: 96+22=118, Resulting Numbers: [84, 118] Generated Node #0,3,1: 79:[84, 118] Operation: 96+22=118 Exploring Operation: 96-22=74, Resulting Numbers: [84, 74] Generated Node #0,3,2: 79:[84, 74] Operation: 96-22=74 Exploring Operation: 84-22=62, Resulting Numbers: [96, 62] Generated Node #0,3,3: 79:[96, 62] Operation: 84-22=62 Exploring Operation: 96-84=12, Resulting Numbers: [22, 12] Generated Node #0,3,4: 79:[22, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 79:[96, 42, 44], Operations: ['22*2=44'] Exploring Operation: 96-44=52, Resulting Numbers: [42, 52] Generated Node #0,0,0: 79:[42, 52] Operation: 96-44=52 Exploring Operation: 96+42=138, Resulting Numbers: [44, 138] Generated Node #0,0,1: 79:[44, 138] Operation: 96+42=138 Exploring Operation: 44-42=2, Resulting Numbers: [96, 2] Generated Node #0,0,2: 79:[96, 2] Operation: 44-42=2 Exploring Operation: 42+44=86, Resulting Numbers: [96, 86] Generated Node #0,0,3: 79:[96, 86] Operation: 42+44=86 Exploring Operation: 96-42=54, Resulting Numbers: [44, 54] Generated Node #0,0,4: 79:[44, 54] Operation: 96-42=54 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[96, 86], Operations: ['22*2=44', '42+44=86'] Exploring Operation: 96*86=8256, Resulting Numbers: [8256] 8256,79 unequal: No Solution Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 96+86=182, Resulting Numbers: [182] 182,79 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 #0,0,4 Current State: 79:[44, 54], Operations: ['22*2=44', '96-42=54'] Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,79 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,79 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 #0,0,0 Current State: 79:[42, 52], Operations: ['22*2=44', '96-44=52'] Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,79 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,79 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 #0,0,1 Current State: 79:[44, 138], Operations: ['22*2=44', '96+42=138'] Exploring Operation: 138-44=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 44*138=6072, Resulting Numbers: [6072] 6072,79 unequal: No Solution Exploring Operation: 44+138=182, Resulting Numbers: [182] 182,79 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 #0,0,2 Current State: 79:[96, 2], Operations: ['22*2=44', '44-42=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,79 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,79 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: 79:[42, 22, 94], Operations: ['96-2=94'] Exploring Operation: 42+22=64, Resulting Numbers: [94, 64] Generated Node #0,1,0: 79:[94, 64] Operation: 42+22=64 Exploring Operation: 42-22=20, Resulting Numbers: [94, 20] Generated Node #0,1,1: 79:[94, 20] Operation: 42-22=20 Exploring Operation: 94-42=52, Resulting Numbers: [22, 52] Generated Node #0,1,2: 79:[22, 52] Operation: 94-42=52 Exploring Operation: 94-22=72, Resulting Numbers: [42, 72] Generated Node #0,1,3: 79:[42, 72] Operation: 94-22=72 Exploring Operation: 22+94=116, Resulting Numbers: [42, 116] Generated Node #0,1,4: 79:[42, 116] Operation: 22+94=116 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[94, 64], Operations: ['96-2=94', '42+22=64'] Exploring Operation: 94-64=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 94*64=6016, Resulting Numbers: [6016] 6016,79 unequal: No Solution Exploring Operation: 94+64=158, Resulting Numbers: [158] 158,79 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 #0,1,3 Current State: 79:[42, 72], Operations: ['96-2=94', '94-22=72'] Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,79 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,79 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 #0,1,1 Current State: 79:[94, 20], Operations: ['96-2=94', '42-22=20'] Exploring Operation: 94+20=114, Resulting Numbers: [114] 114,79 unequal: No Solution Exploring Operation: 94*20=1880, Resulting Numbers: [1880] 1880,79 unequal: No Solution Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,79 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 #0,1,4 Current State: 79:[42, 116], Operations: ['96-2=94', '22+94=116'] Exploring Operation: 42*116=4872, Resulting Numbers: [4872] 4872,79 unequal: No Solution Exploring Operation: 42+116=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 116-42=74, Resulting Numbers: [74] 74,79 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 #0,1,2 Current State: 79:[22, 52], Operations: ['96-2=94', '94-42=52'] Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,79 unequal: No Solution Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,79 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: 79:[96, 2, 64], Operations: ['42+22=64'] Exploring Operation: 96-2=94, Resulting Numbers: [64, 94] Generated Node #0,2,0: 79:[64, 94] Operation: 96-2=94 Exploring Operation: 2+64=66, Resulting Numbers: [96, 66] Generated Node #0,2,1: 79:[96, 66] Operation: 2+64=66 Exploring Operation: 64-2=62, Resulting Numbers: [96, 62] Generated Node #0,2,2: 79:[96, 62] Operation: 64-2=62 Exploring Operation: 96+2=98, Resulting Numbers: [64, 98] Generated Node #0,2,3: 79:[64, 98] Operation: 96+2=98 Exploring Operation: 96/2=48, Resulting Numbers: [64, 48] Generated Node #0,2,4: 79:[64, 48] Operation: 96/2=48 Moving to Node #0,4 Current State: 79:[96, 22, 44], Operations: ['42+2=44'] Exploring Operation: 96-44=52, Resulting Numbers: [22, 52] Generated Node #0,4,0: 79:[22, 52] Operation: 96-44=52 Exploring Operation: 44-22=22, Resulting Numbers: [96, 22] Generated Node #0,4,1: 79:[96, 22] Operation: 44-22=22 Exploring Operation: 22+44=66, Resulting Numbers: [96, 66] Generated Node #0,4,2: 79:[96, 66] Operation: 22+44=66 Exploring Operation: 96-22=74, Resulting Numbers: [44, 74] Generated Node #0,4,3: 79:[44, 74] Operation: 96-22=74 Exploring Operation: 96+22=118, Resulting Numbers: [44, 118] Generated Node #0,4,4: 79:[44, 118] Operation: 96+22=118 Moving to Node #0,3,2 Current State: 79:[84, 74], Operations: ['42*2=84', '96-22=74'] Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[64, 94], Operations: ['42+22=64', '96-2=94'] Exploring Operation: 94-64=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 64+94=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 64*94=6016, Resulting Numbers: [6016] 6016,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[96, 66], Operations: ['42+22=64', '2+64=66'] Exploring Operation: 96*66=6336, Resulting Numbers: [6336] 6336,79 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 96+66=162, Resulting Numbers: [162] 162,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[96, 66], Operations: ['42+2=44', '22+44=66'] Exploring Operation: 96+66=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 96*66=6336, Resulting Numbers: [6336] 6336,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[96, 62], Operations: ['42*2=84', '84-22=62'] Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 96+62=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 96*62=5952, Resulting Numbers: [5952] 5952,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[96, 62], Operations: ['42+22=64', '64-2=62'] Exploring Operation: 96+62=158, Resulting Numbers: [158] 158,79 unequal: No Solution Exploring Operation: 96*62=5952, Resulting Numbers: [5952] 5952,79 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[64, 98], Operations: ['42+22=64', '96+2=98'] Exploring Operation: 64*98=6272, Resulting Numbers: [6272] 6272,79 unequal: No Solution Exploring Operation: 64+98=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[44, 74], Operations: ['42+2=44', '96-22=74'] Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,79 unequal: No Solution Exploring Operation: 44*74=3256, Resulting Numbers: [3256] 3256,79 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[96, 106], Operations: ['42*2=84', '22+84=106'] Exploring Operation: 96*106=10176, Resulting Numbers: [10176] 10176,79 unequal: No Solution Exploring Operation: 106-96=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 96+106=202, Resulting Numbers: [202] 202,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[84, 118], Operations: ['42*2=84', '96+22=118'] Exploring Operation: 84+118=202, Resulting Numbers: [202] 202,79 unequal: No Solution Exploring Operation: 84*118=9912, Resulting Numbers: [9912] 9912,79 unequal: No Solution Exploring Operation: 118-84=34, Resulting Numbers: [34] 34,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[64, 48], Operations: ['42+22=64', '96/2=48'] Exploring Operation: 64*48=3072, Resulting Numbers: [3072] 3072,79 unequal: No Solution Exploring Operation: 64+48=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[44, 118], Operations: ['42+2=44', '96+22=118'] Exploring Operation: 44+118=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 44*118=5192, Resulting Numbers: [5192] 5192,79 unequal: No Solution Exploring Operation: 118-44=74, Resulting Numbers: [74] 74,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[96, 22], Operations: ['42+2=44', '44-22=22'] Exploring Operation: 96+22=118, Resulting Numbers: [118] 118,79 unequal: No Solution Exploring Operation: 96*22=2112, Resulting Numbers: [2112] 2112,79 unequal: No Solution Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[22, 52], Operations: ['42+2=44', '96-44=52'] Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,79 unequal: No Solution Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[22, 12], Operations: ['42*2=84', '96-84=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,79 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 1, 18, 2, 82 ]
97
[ "18-1=17", "82-2=80", "17+80=97" ]
Current State: 97:[1, 18, 2, 82], Operations: [] Exploring Operation: 18-1=17, Resulting Numbers: [2, 82, 17] Generated Node #2: [2, 82, 17] from Operation: 18-1=17 Current State: 97:[2, 82, 17], Operations: ['18-1=17'] Exploring Operation: 82-2=80, Resulting Numbers: [17, 80] Generated Node #3: [17, 80] from Operation: 82-2=80 Current State: 97:[17, 80], Operations: ['18-1=17', '82-2=80'] Exploring Operation: 17+80=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[1, 18, 2, 82], Operations: [] Exploring Operation: 18*2=36, Resulting Numbers: [1, 82, 36] Generated Node #0,0: 97:[1, 82, 36] Operation: 18*2=36 Exploring Operation: 1+18=19, Resulting Numbers: [2, 82, 19] Generated Node #0,1: 97:[2, 82, 19] Operation: 1+18=19 Exploring Operation: 1+82=83, Resulting Numbers: [18, 2, 83] Generated Node #0,2: 97:[18, 2, 83] Operation: 1+82=83 Exploring Operation: 1+2=3, Resulting Numbers: [18, 82, 3] Generated Node #0,3: 97:[18, 82, 3] Operation: 1+2=3 Moving to Node #0,0 Current State: 97:[1, 82, 36], Operations: ['18*2=36'] Exploring Operation: 1+82=83, Resulting Numbers: [36, 83] Generated Node #0,0,0: 97:[36, 83] Operation: 1+82=83 Exploring Operation: 1+36=37, Resulting Numbers: [82, 37] Generated Node #0,0,1: 97:[82, 37] Operation: 1+36=37 Exploring Operation: 82/1=82, Resulting Numbers: [36, 82] Generated Node #0,0,2: 97:[36, 82] Operation: 82/1=82 Exploring Operation: 1*82=82, Resulting Numbers: [36, 82] Generated Node #0,0,3: 97:[36, 82] Operation: 1*82=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[36, 83], Operations: ['18*2=36', '1+82=83'] Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[82, 37], Operations: ['18*2=36', '1+36=37'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 82*37=3034, Resulting Numbers: [3034] 3034,97 unequal: No Solution Exploring Operation: 82+37=119, Resulting Numbers: [119] 119,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[36, 82], Operations: ['18*2=36', '82/1=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,97 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,97 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[36, 82], Operations: ['18*2=36', '1*82=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,97 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,97 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,97 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: 97:[18, 2, 83], Operations: ['1+82=83'] Exploring Operation: 18*2=36, Resulting Numbers: [83, 36] Generated Node #0,2,0: 97:[83, 36] Operation: 18*2=36 Exploring Operation: 2+83=85, Resulting Numbers: [18, 85] Generated Node #0,2,1: 97:[18, 85] Operation: 2+83=85 Exploring Operation: 18+2=20, Resulting Numbers: [83, 20] Generated Node #0,2,2: 97:[83, 20] Operation: 18+2=20 Exploring Operation: 18-2=16, Resulting Numbers: [83, 16] Generated Node #0,2,3: 97:[83, 16] Operation: 18-2=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[83, 36], Operations: ['1+82=83', '18*2=36'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,97 unequal: No Solution Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[18, 85], Operations: ['1+82=83', '2+83=85'] Exploring Operation: 18+85=103, Resulting Numbers: [103] 103,97 unequal: No Solution Exploring Operation: 18*85=1530, Resulting Numbers: [1530] 1530,97 unequal: No Solution Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[83, 20], Operations: ['1+82=83', '18+2=20'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,97 unequal: No Solution Exploring Operation: 83*20=1660, Resulting Numbers: [1660] 1660,97 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[83, 16], Operations: ['1+82=83', '18-2=16'] Exploring Operation: 83*16=1328, Resulting Numbers: [1328] 1328,97 unequal: No Solution Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[2, 82, 19], Operations: ['1+18=19'] Exploring Operation: 82-2=80, Resulting Numbers: [19, 80] Generated Node #0,1,0: 97:[19, 80] Operation: 82-2=80 Exploring Operation: 2+19=21, Resulting Numbers: [82, 21] Generated Node #0,1,1: 97:[82, 21] Operation: 2+19=21 Exploring Operation: 2*19=38, Resulting Numbers: [82, 38] Generated Node #0,1,2: 97:[82, 38] Operation: 2*19=38 Exploring Operation: 2+82=84, Resulting Numbers: [19, 84] Generated Node #0,1,3: 97:[19, 84] Operation: 2+82=84 Moving to Node #0,3 Current State: 97:[18, 82, 3], Operations: ['1+2=3'] Exploring Operation: 82+3=85, Resulting Numbers: [18, 85] Generated Node #0,3,0: 97:[18, 85] Operation: 82+3=85 Exploring Operation: 18*3=54, Resulting Numbers: [82, 54] Generated Node #0,3,1: 97:[82, 54] Operation: 18*3=54 Exploring Operation: 18+82=100, Resulting Numbers: [3, 100] Generated Node #0,3,2: 97:[3, 100] Operation: 18+82=100 Exploring Operation: 18+3=21, Resulting Numbers: [82, 21] Generated Node #0,3,3: 97:[82, 21] Operation: 18+3=21 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[82, 54], Operations: ['1+2=3', '18*3=54'] Exploring Operation: 82*54=4428, Resulting Numbers: [4428] 4428,97 unequal: No Solution Exploring Operation: 82+54=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,97 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 #0,3,0 Current State: 97:[18, 85], Operations: ['1+2=3', '82+3=85'] Exploring Operation: 18*85=1530, Resulting Numbers: [1530] 1530,97 unequal: No Solution Exploring Operation: 18+85=103, Resulting Numbers: [103] 103,97 unequal: No Solution Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,97 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:[82, 21], Operations: ['1+2=3', '18+3=21'] Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,97 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,97 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:[3, 100], Operations: ['1+2=3', '18+82=100'] Exploring Operation: 3+100=103, Resulting Numbers: [103] 103,97 unequal: No Solution Exploring Operation: 100-3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[1, 18, 2, 82], Operations: [] Exploring Operation: 1+2=3, Resulting Numbers: [18, 82, 3] Generated Node #0,3: 97:[18, 82, 3] Operation: 1+2=3 Moving to Node #0,3 Current State: 97:[18, 82, 3], Operations: ['1+2=3'] Exploring Operation: 18+82=100, Resulting Numbers: [3, 100] Generated Node #0,3,2: 97:[3, 100] Operation: 18+82=100 Moving to Node #0,3,2 Current State: 97:[3, 100], Operations: ['1+2=3', '18+82=100'] Exploring Operation: 100-3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_4
sum_heuristic