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
[ 37, 20, 89, 19 ]
92
[ "37+20=57", "57/19=3", "89+3=92" ]
Current State: 92:[37, 20, 89, 19], Operations: [] Exploring Operation: 37+20=57, Resulting Numbers: [89, 19, 57] Generated Node #2: [89, 19, 57] from Operation: 37+20=57 Current State: 92:[89, 19, 57], Operations: ['37+20=57'] Exploring Operation: 57/19=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 57/19=3 Current State: 92:[89, 3], Operations: ['37+20=57', '57/19=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[37, 20, 89, 19], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [89, 19, 17] Generated Node #0,0: 92:[89, 19, 17] Operation: 37-20=17 Exploring Operation: 37-19=18, Resulting Numbers: [20, 89, 18] Generated Node #0,1: 92:[20, 89, 18] Operation: 37-19=18 Exploring Operation: 89-37=52, Resulting Numbers: [20, 19, 52] Generated Node #0,2: 92:[20, 19, 52] Operation: 89-37=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[20, 89, 18], Operations: ['37-19=18'] Exploring Operation: 20+18=38, Resulting Numbers: [89, 38] Generated Node #0,1,0: 92:[89, 38] Operation: 20+18=38 Exploring Operation: 20-18=2, Resulting Numbers: [89, 2] Generated Node #0,1,1: 92:[89, 2] Operation: 20-18=2 Exploring Operation: 89+18=107, Resulting Numbers: [20, 107] Generated Node #0,1,2: 92:[20, 107] Operation: 89+18=107 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[89, 2], Operations: ['37-19=18', '20-18=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,92 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[89, 38], Operations: ['37-19=18', '20+18=38'] Exploring Operation: 89+38=127, Resulting Numbers: [127] 127,92 unequal: No Solution Exploring Operation: 89*38=3382, Resulting Numbers: [3382] 3382,92 unequal: No Solution Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[20, 107], Operations: ['37-19=18', '89+18=107'] Exploring Operation: 107-20=87, Resulting Numbers: [87] 87,92 unequal: No Solution Exploring Operation: 20*107=2140, Resulting Numbers: [2140] 2140,92 unequal: No Solution Exploring Operation: 20+107=127, Resulting Numbers: [127] 127,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[89, 19, 17], Operations: ['37-20=17'] Exploring Operation: 19-17=2, Resulting Numbers: [89, 2] Generated Node #0,0,0: 92:[89, 2] Operation: 19-17=2 Exploring Operation: 89+17=106, Resulting Numbers: [19, 106] Generated Node #0,0,1: 92:[19, 106] Operation: 89+17=106 Exploring Operation: 19+17=36, Resulting Numbers: [89, 36] Generated Node #0,0,2: 92:[89, 36] Operation: 19+17=36 Moving to Node #0,0,0 Current State: 92:[89, 2], Operations: ['37-20=17', '19-17=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,92 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[89, 36], Operations: ['37-20=17', '19+17=36'] Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,92 unequal: No Solution Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,92 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[19, 106], Operations: ['37-20=17', '89+17=106'] Exploring Operation: 19*106=2014, Resulting Numbers: [2014] 2014,92 unequal: No Solution Exploring Operation: 106-19=87, Resulting Numbers: [87] 87,92 unequal: No Solution Exploring Operation: 19+106=125, Resulting Numbers: [125] 125,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[20, 19, 52], Operations: ['89-37=52'] Exploring Operation: 52-20=32, Resulting Numbers: [19, 32] Generated Node #0,2,0: 92:[19, 32] Operation: 52-20=32 Exploring Operation: 20+19=39, Resulting Numbers: [52, 39] Generated Node #0,2,1: 92:[52, 39] Operation: 20+19=39 Exploring Operation: 20-19=1, Resulting Numbers: [52, 1] Generated Node #0,2,2: 92:[52, 1] Operation: 20-19=1 Moving to Node #0,2,2 Current State: 92:[52, 1], Operations: ['89-37=52', '20-19=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[19, 32], Operations: ['89-37=52', '52-20=32'] Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,92 unequal: No Solution Exploring Operation: 19*32=608, Resulting Numbers: [608] 608,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[52, 39], Operations: ['89-37=52', '20+19=39'] Exploring Operation: 52+39=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 52*39=2028, Resulting Numbers: [2028] 2028,92 unequal: No Solution Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,92 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
[ 81, 79, 52, 71 ]
68
[ "79-52=27", "81/27=3", "71-3=68" ]
Current State: 68:[81, 79, 52, 71], Operations: [] Exploring Operation: 79-52=27, Resulting Numbers: [81, 71, 27] Generated Node #2: [81, 71, 27] from Operation: 79-52=27 Current State: 68:[81, 71, 27], Operations: ['79-52=27'] Exploring Operation: 81/27=3, Resulting Numbers: [71, 3] Generated Node #3: [71, 3] from Operation: 81/27=3 Current State: 68:[71, 3], Operations: ['79-52=27', '81/27=3'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[81, 79, 52, 71], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [52, 71, 2] Generated Node #0,0: 68:[52, 71, 2] Operation: 81-79=2 Moving to Node #0,0 Current State: 68:[52, 71, 2], Operations: ['81-79=2'] Exploring Operation: 71-52=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 68:[2, 19] Operation: 71-52=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[2, 19], Operations: ['81-79=2', '71-52=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,68 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
[ 83, 3, 64, 93 ]
12
[ "83-64=19", "93/3=31", "31-19=12" ]
Current State: 12:[83, 3, 64, 93], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [3, 93, 19] Generated Node #2: [3, 93, 19] from Operation: 83-64=19 Current State: 12:[3, 93, 19], Operations: ['83-64=19'] Exploring Operation: 93/3=31, Resulting Numbers: [19, 31] Generated Node #3: [19, 31] from Operation: 93/3=31 Current State: 12:[19, 31], Operations: ['83-64=19', '93/3=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[83, 3, 64, 93], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [3, 93, 19] Generated Node #0,0: 12:[3, 93, 19] Operation: 83-64=19 Exploring Operation: 93-83=10, Resulting Numbers: [3, 64, 10] Generated Node #0,1: 12:[3, 64, 10] Operation: 93-83=10 Exploring Operation: 93-64=29, Resulting Numbers: [83, 3, 29] Generated Node #0,2: 12:[83, 3, 29] Operation: 93-64=29 Moving to Node #0,1 Current State: 12:[3, 64, 10], Operations: ['93-83=10'] Exploring Operation: 3+10=13, Resulting Numbers: [64, 13] Generated Node #0,1,0: 12:[64, 13] Operation: 3+10=13 Exploring Operation: 64-3=61, Resulting Numbers: [10, 61] Generated Node #0,1,1: 12:[10, 61] Operation: 64-3=61 Exploring Operation: 64-10=54, Resulting Numbers: [3, 54] Generated Node #0,1,2: 12:[3, 54] Operation: 64-10=54 Moving to Node #0,0 Current State: 12:[3, 93, 19], Operations: ['83-64=19'] Exploring Operation: 93-3=90, Resulting Numbers: [19, 90] Generated Node #0,0,0: 12:[19, 90] Operation: 93-3=90 Exploring Operation: 93/3=31, Resulting Numbers: [19, 31] Generated Node #0,0,1: 12:[19, 31] Operation: 93/3=31 Exploring Operation: 93-19=74, Resulting Numbers: [3, 74] Generated Node #0,0,2: 12:[3, 74] Operation: 93-19=74 Moving to Node #0,2 Current State: 12:[83, 3, 29], Operations: ['93-64=29'] Exploring Operation: 29-3=26, Resulting Numbers: [83, 26] Generated Node #0,2,0: 12:[83, 26] Operation: 29-3=26 Exploring Operation: 83-3=80, Resulting Numbers: [29, 80] Generated Node #0,2,1: 12:[29, 80] Operation: 83-3=80 Exploring Operation: 83-29=54, Resulting Numbers: [3, 54] Generated Node #0,2,2: 12:[3, 54] Operation: 83-29=54 Moving to Node #0,0,1 Current State: 12:[19, 31], Operations: ['83-64=19', '93/3=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[83, 3, 64, 93], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [3, 93, 19] Generated Node #0,0: 12:[3, 93, 19] Operation: 83-64=19 Moving to Node #0,0 Current State: 12:[3, 93, 19], Operations: ['83-64=19'] Exploring Operation: 93/3=31, Resulting Numbers: [19, 31] Generated Node #0,0,1: 12:[19, 31] Operation: 93/3=31 Moving to Node #0,0,1 Current State: 12:[19, 31], Operations: ['83-64=19', '93/3=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.985243
hs_3
mult_heuristic
[ 2, 67, 56, 62 ]
16
[ "2*67=134", "56+62=118", "134-118=16" ]
Current State: 16:[2, 67, 56, 62], Operations: [] Exploring Operation: 2*67=134, Resulting Numbers: [56, 62, 134] Generated Node #2: [56, 62, 134] from Operation: 2*67=134 Current State: 16:[56, 62, 134], Operations: ['2*67=134'] Exploring Operation: 56+62=118, Resulting Numbers: [134, 118] Generated Node #3: [134, 118] from Operation: 56+62=118 Current State: 16:[134, 118], Operations: ['2*67=134', '56+62=118'] Exploring Operation: 134-118=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[2, 67, 56, 62], Operations: [] Exploring Operation: 67-56=11, Resulting Numbers: [2, 62, 11] Generated Node #0,0: 16:[2, 62, 11] Operation: 67-56=11 Exploring Operation: 62-56=6, Resulting Numbers: [2, 67, 6] Generated Node #0,1: 16:[2, 67, 6] Operation: 62-56=6 Exploring Operation: 67-62=5, Resulting Numbers: [2, 56, 5] Generated Node #0,2: 16:[2, 56, 5] Operation: 67-62=5 Exploring Operation: 62/2=31, Resulting Numbers: [67, 56, 31] Generated Node #0,3: 16:[67, 56, 31] Operation: 62/2=31 Exploring Operation: 56/2=28, Resulting Numbers: [67, 62, 28] Generated Node #0,4: 16:[67, 62, 28] Operation: 56/2=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[2, 56, 5], Operations: ['67-62=5'] Exploring Operation: 5-2=3, Resulting Numbers: [56, 3] Generated Node #0,2,0: 16:[56, 3] Operation: 5-2=3 Exploring Operation: 56-2=54, Resulting Numbers: [5, 54] Generated Node #0,2,1: 16:[5, 54] Operation: 56-2=54 Exploring Operation: 2+5=7, Resulting Numbers: [56, 7] Generated Node #0,2,2: 16:[56, 7] Operation: 2+5=7 Exploring Operation: 56-5=51, Resulting Numbers: [2, 51] Generated Node #0,2,3: 16:[2, 51] Operation: 56-5=51 Exploring Operation: 56/2=28, Resulting Numbers: [5, 28] Generated Node #0,2,4: 16:[5, 28] Operation: 56/2=28 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 16:[5, 28], Operations: ['67-62=5', '56/2=28'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,16 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 16:[2, 51], Operations: ['67-62=5', '56-5=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 16:[5, 54], Operations: ['67-62=5', '56-2=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 16:[56, 3], Operations: ['67-62=5', '5-2=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,16 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[56, 7], Operations: ['67-62=5', '2+5=7'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,16 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[2, 62, 11], Operations: ['67-56=11'] Exploring Operation: 62-2=60, Resulting Numbers: [11, 60] Generated Node #0,0,0: 16:[11, 60] Operation: 62-2=60 Exploring Operation: 62/2=31, Resulting Numbers: [11, 31] Generated Node #0,0,1: 16:[11, 31] Operation: 62/2=31 Exploring Operation: 62-11=51, Resulting Numbers: [2, 51] Generated Node #0,0,2: 16:[2, 51] Operation: 62-11=51 Exploring Operation: 2+11=13, Resulting Numbers: [62, 13] Generated Node #0,0,3: 16:[62, 13] Operation: 2+11=13 Exploring Operation: 11-2=9, Resulting Numbers: [62, 9] Generated Node #0,0,4: 16:[62, 9] Operation: 11-2=9 Moving to Node #0,0,1 Current State: 16:[11, 31], Operations: ['67-56=11', '62/2=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,16 unequal: No Solution Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[2, 51], Operations: ['67-56=11', '62-11=51'] Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[11, 60], Operations: ['67-56=11', '62-2=60'] Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,16 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[62, 9], Operations: ['67-56=11', '11-2=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,16 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[62, 13], Operations: ['67-56=11', '2+11=13'] Exploring Operation: 62*13=806, Resulting Numbers: [806] 806,16 unequal: No Solution Exploring Operation: 62+13=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[2, 67, 6], Operations: ['62-56=6'] Exploring Operation: 67-6=61, Resulting Numbers: [2, 61] Generated Node #0,1,0: 16:[2, 61] Operation: 67-6=61 Exploring Operation: 2+6=8, Resulting Numbers: [67, 8] Generated Node #0,1,1: 16:[67, 8] Operation: 2+6=8 Exploring Operation: 67-2=65, Resulting Numbers: [6, 65] Generated Node #0,1,2: 16:[6, 65] Operation: 67-2=65 Exploring Operation: 6-2=4, Resulting Numbers: [67, 4] Generated Node #0,1,3: 16:[67, 4] Operation: 6-2=4 Exploring Operation: 6/2=3, Resulting Numbers: [67, 3] Generated Node #0,1,4: 16:[67, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[2, 61], Operations: ['62-56=6', '67-6=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,16 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[67, 8], Operations: ['62-56=6', '2+6=8'] Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,16 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[6, 65], Operations: ['62-56=6', '67-2=65'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[67, 4], Operations: ['62-56=6', '6-2=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,16 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 16:[67, 3], Operations: ['62-56=6', '6/2=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,16 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,16 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[67, 56, 31], Operations: ['62/2=31'] Exploring Operation: 67-56=11, Resulting Numbers: [31, 11] Generated Node #0,3,0: 16:[31, 11] Operation: 67-56=11 Exploring Operation: 67+56=123, Resulting Numbers: [31, 123] Generated Node #0,3,1: 16:[31, 123] Operation: 67+56=123 Exploring Operation: 67+31=98, Resulting Numbers: [56, 98] Generated Node #0,3,2: 16:[56, 98] Operation: 67+31=98 Exploring Operation: 56-31=25, Resulting Numbers: [67, 25] Generated Node #0,3,3: 16:[67, 25] Operation: 56-31=25 Exploring Operation: 67-31=36, Resulting Numbers: [56, 36] Generated Node #0,3,4: 16:[56, 36] Operation: 67-31=36 Moving to Node #0,3,0 Current State: 16:[31, 11], Operations: ['62/2=31', '67-56=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,16 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[56, 36], Operations: ['62/2=31', '67-31=36'] Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,16 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[67, 25], Operations: ['62/2=31', '56-31=25'] Exploring Operation: 67*25=1675, Resulting Numbers: [1675] 1675,16 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,16 unequal: No Solution Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[31, 123], Operations: ['62/2=31', '67+56=123'] Exploring Operation: 31*123=3813, Resulting Numbers: [3813] 3813,16 unequal: No Solution Exploring Operation: 123-31=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 31+123=154, Resulting Numbers: [154] 154,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[56, 98], Operations: ['62/2=31', '67+31=98'] Exploring Operation: 56+98=154, Resulting Numbers: [154] 154,16 unequal: No Solution Exploring Operation: 98-56=42, Resulting Numbers: [42] 42,16 unequal: No Solution Exploring Operation: 56*98=5488, Resulting Numbers: [5488] 5488,16 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 Current State: 16:[67, 62, 28], Operations: ['56/2=28'] Exploring Operation: 62-28=34, Resulting Numbers: [67, 34] Generated Node #0,4,0: 16:[67, 34] Operation: 62-28=34 Exploring Operation: 67-28=39, Resulting Numbers: [62, 39] Generated Node #0,4,1: 16:[62, 39] Operation: 67-28=39 Exploring Operation: 67-62=5, Resulting Numbers: [28, 5] Generated Node #0,4,2: 16:[28, 5] Operation: 67-62=5 Exploring Operation: 67+62=129, Resulting Numbers: [28, 129] Generated Node #0,4,3: 16:[28, 129] Operation: 67+62=129 Exploring Operation: 67+28=95, Resulting Numbers: [62, 95] Generated Node #0,4,4: 16:[62, 95] Operation: 67+28=95 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 16:[28, 5], Operations: ['56/2=28', '67-62=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,16 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 16:[67, 34], Operations: ['56/2=28', '62-28=34'] Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 67+34=101, Resulting Numbers: [101] 101,16 unequal: No Solution Exploring Operation: 67*34=2278, Resulting Numbers: [2278] 2278,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 16:[62, 39], Operations: ['56/2=28', '67-28=39'] Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,16 unequal: No Solution Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,16 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 16:[28, 129], Operations: ['56/2=28', '67+62=129'] Exploring Operation: 28*129=3612, Resulting Numbers: [3612] 3612,16 unequal: No Solution Exploring Operation: 28+129=157, Resulting Numbers: [157] 157,16 unequal: No Solution Exploring Operation: 129-28=101, Resulting Numbers: [101] 101,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 16:[62, 95], Operations: ['56/2=28', '67+28=95'] Exploring Operation: 62*95=5890, Resulting Numbers: [5890] 5890,16 unequal: No Solution Exploring Operation: 62+95=157, Resulting Numbers: [157] 157,16 unequal: No Solution Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 46, 20, 23, 3 ]
55
[ "46-20=26", "3*26=78", "78-23=55" ]
Current State: 55:[46, 20, 23, 3], Operations: [] Exploring Operation: 46-20=26, Resulting Numbers: [23, 3, 26] Generated Node #2: [23, 3, 26] from Operation: 46-20=26 Current State: 55:[23, 3, 26], Operations: ['46-20=26'] Exploring Operation: 3*26=78, Resulting Numbers: [23, 78] Generated Node #3: [23, 78] from Operation: 3*26=78 Current State: 55:[23, 78], Operations: ['46-20=26', '3*26=78'] Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[46, 20, 23, 3], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [20, 3, 2] Generated Node #0,0: 55:[20, 3, 2] Operation: 46/23=2 Exploring Operation: 20+23=43, Resulting Numbers: [46, 3, 43] Generated Node #0,1: 55:[46, 3, 43] Operation: 20+23=43 Exploring Operation: 46-23=23, Resulting Numbers: [20, 3, 23] Generated Node #0,2: 55:[20, 3, 23] Operation: 46-23=23 Exploring Operation: 23-20=3, Resulting Numbers: [46, 3, 3] Generated Node #0,3: 55:[46, 3, 3] Operation: 23-20=3 Moving to Node #0,3 Current State: 55:[46, 3, 3], Operations: ['23-20=3'] Exploring Operation: 46+3=49, Resulting Numbers: [3, 49] Generated Node #0,3,0: 55:[3, 49] Operation: 46+3=49 Exploring Operation: 3*3=9, Resulting Numbers: [46, 9] Generated Node #0,3,1: 55:[46, 9] Operation: 3*3=9 Exploring Operation: 46+3=49, Resulting Numbers: [3, 49] Generated Node #0,3,2: 55:[3, 49] Operation: 46+3=49 Exploring Operation: 3+3=6, Resulting Numbers: [46, 6] Generated Node #0,3,3: 55:[46, 6] Operation: 3+3=6 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[3, 49], Operations: ['23-20=3', '46+3=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,55 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,55 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,55 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 #0,3,2 Current State: 55:[3, 49], Operations: ['23-20=3', '46+3=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,55 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,55 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,55 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 #0,3,3 Current State: 55:[46, 6], Operations: ['23-20=3', '3+3=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,55 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,55 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 #0,3,1 Current State: 55:[46, 9], Operations: ['23-20=3', '3*3=9'] Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,55 unequal: No Solution Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[46, 20, 23, 3], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [46, 3, 3] Generated Node #0,3: 55:[46, 3, 3] Operation: 23-20=3 Moving to Node #0,3 Current State: 55:[46, 3, 3], Operations: ['23-20=3'] Exploring Operation: 3*3=9, Resulting Numbers: [46, 9] Generated Node #0,3,1: 55:[46, 9] Operation: 3*3=9 Moving to Node #0,3,1 Current State: 55:[46, 9], Operations: ['23-20=3', '3*3=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 29, 47, 24, 1 ]
41
[ "47-29=18", "24-1=23", "18+23=41" ]
Current State: 41:[29, 47, 24, 1], Operations: [] Exploring Operation: 47-29=18, Resulting Numbers: [24, 1, 18] Generated Node #2: [24, 1, 18] from Operation: 47-29=18 Current State: 41:[24, 1, 18], Operations: ['47-29=18'] Exploring Operation: 24-1=23, Resulting Numbers: [18, 23] Generated Node #3: [18, 23] from Operation: 24-1=23 Current State: 41:[18, 23], Operations: ['47-29=18', '24-1=23'] Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[29, 47, 24, 1], Operations: [] Exploring Operation: 29+1=30, Resulting Numbers: [47, 24, 30] Generated Node #0,0: 41:[47, 24, 30] Operation: 29+1=30 Exploring Operation: 47-1=46, Resulting Numbers: [29, 24, 46] Generated Node #0,1: 41:[29, 24, 46] Operation: 47-1=46 Exploring Operation: 29/1=29, Resulting Numbers: [47, 24, 29] Generated Node #0,2: 41:[47, 24, 29] Operation: 29/1=29 Exploring Operation: 29*1=29, Resulting Numbers: [47, 24, 29] Generated Node #0,3: 41:[47, 24, 29] Operation: 29*1=29 Exploring Operation: 24+1=25, Resulting Numbers: [29, 47, 25] Generated Node #0,4: 41:[29, 47, 25] Operation: 24+1=25 Moving to Node #0,0 Current State: 41:[47, 24, 30], Operations: ['29+1=30'] Exploring Operation: 47+24=71, Resulting Numbers: [30, 71] Generated Node #0,0,0: 41:[30, 71] Operation: 47+24=71 Exploring Operation: 24+30=54, Resulting Numbers: [47, 54] Generated Node #0,0,1: 41:[47, 54] Operation: 24+30=54 Exploring Operation: 47-24=23, Resulting Numbers: [30, 23] Generated Node #0,0,2: 41:[30, 23] Operation: 47-24=23 Exploring Operation: 30-24=6, Resulting Numbers: [47, 6] Generated Node #0,0,3: 41:[47, 6] Operation: 30-24=6 Exploring Operation: 47-30=17, Resulting Numbers: [24, 17] Generated Node #0,0,4: 41:[24, 17] Operation: 47-30=17 Moving to Node #0,4 Current State: 41:[29, 47, 25], Operations: ['24+1=25'] Exploring Operation: 47-25=22, Resulting Numbers: [29, 22] Generated Node #0,4,0: 41:[29, 22] Operation: 47-25=22 Exploring Operation: 29-25=4, Resulting Numbers: [47, 4] Generated Node #0,4,1: 41:[47, 4] Operation: 29-25=4 Exploring Operation: 47-29=18, Resulting Numbers: [25, 18] Generated Node #0,4,2: 41:[25, 18] Operation: 47-29=18 Exploring Operation: 47+25=72, Resulting Numbers: [29, 72] Generated Node #0,4,3: 41:[29, 72] Operation: 47+25=72 Exploring Operation: 29+25=54, Resulting Numbers: [47, 54] Generated Node #0,4,4: 41:[47, 54] Operation: 29+25=54 Moving to Node #0,1 Current State: 41:[29, 24, 46], Operations: ['47-1=46'] Exploring Operation: 29+24=53, Resulting Numbers: [46, 53] Generated Node #0,1,0: 41:[46, 53] Operation: 29+24=53 Exploring Operation: 24+46=70, Resulting Numbers: [29, 70] Generated Node #0,1,1: 41:[29, 70] Operation: 24+46=70 Exploring Operation: 46-24=22, Resulting Numbers: [29, 22] Generated Node #0,1,2: 41:[29, 22] Operation: 46-24=22 Exploring Operation: 46-29=17, Resulting Numbers: [24, 17] Generated Node #0,1,3: 41:[24, 17] Operation: 46-29=17 Exploring Operation: 29-24=5, Resulting Numbers: [46, 5] Generated Node #0,1,4: 41:[46, 5] Operation: 29-24=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[46, 53], Operations: ['47-1=46', '29+24=53'] Exploring Operation: 46*53=2438, Resulting Numbers: [2438] 2438,41 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 46+53=99, Resulting Numbers: [99] 99,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[29, 22], Operations: ['47-1=46', '46-24=22'] Exploring Operation: 29+22=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 29*22=638, Resulting Numbers: [638] 638,41 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[29, 70], Operations: ['47-1=46', '24+46=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[29, 47, 24, 1], Operations: [] Exploring Operation: 47-1=46, Resulting Numbers: [29, 24, 46] Generated Node #0,1: 41:[29, 24, 46] Operation: 47-1=46 Moving to Node #0,1 Current State: 41:[29, 24, 46], Operations: ['47-1=46'] Exploring Operation: 24+46=70, Resulting Numbers: [29, 70] Generated Node #0,1,1: 41:[29, 70] Operation: 24+46=70 Moving to Node #0,1,1 Current State: 41:[29, 70], Operations: ['47-1=46', '24+46=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
mult_heuristic
[ 92, 99, 2, 73 ]
68
[ "99-92=7", "2+73=75", "75-7=68" ]
Current State: 68:[92, 99, 2, 73], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 73, 7] Generated Node #2: [2, 73, 7] from Operation: 99-92=7 Current State: 68:[2, 73, 7], Operations: ['99-92=7'] Exploring Operation: 2+73=75, Resulting Numbers: [7, 75] Generated Node #3: [7, 75] from Operation: 2+73=75 Current State: 68:[7, 75], Operations: ['99-92=7', '2+73=75'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[92, 99, 2, 73], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 73, 7] Generated Node #0,0: 68:[2, 73, 7] Operation: 99-92=7 Exploring Operation: 92/2=46, Resulting Numbers: [99, 73, 46] Generated Node #0,1: 68:[99, 73, 46] Operation: 92/2=46 Exploring Operation: 99-73=26, Resulting Numbers: [92, 2, 26] Generated Node #0,2: 68:[92, 2, 26] Operation: 99-73=26 Exploring Operation: 92-73=19, Resulting Numbers: [99, 2, 19] Generated Node #0,3: 68:[99, 2, 19] Operation: 92-73=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[2, 73, 7], Operations: ['99-92=7'] Exploring Operation: 2*7=14, Resulting Numbers: [73, 14] Generated Node #0,0,0: 68:[73, 14] Operation: 2*7=14 Exploring Operation: 7-2=5, Resulting Numbers: [73, 5] Generated Node #0,0,1: 68:[73, 5] Operation: 7-2=5 Exploring Operation: 73-7=66, Resulting Numbers: [2, 66] Generated Node #0,0,2: 68:[2, 66] Operation: 73-7=66 Exploring Operation: 73-2=71, Resulting Numbers: [7, 71] Generated Node #0,0,3: 68:[7, 71] Operation: 73-2=71 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[2, 66], Operations: ['99-92=7', '73-7=66'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[92, 99, 2, 73], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 73, 7] Generated Node #0,0: 68:[2, 73, 7] Operation: 99-92=7 Moving to Node #0,0 Current State: 68:[2, 73, 7], Operations: ['99-92=7'] Exploring Operation: 73-7=66, Resulting Numbers: [2, 66] Generated Node #0,0,2: 68:[2, 66] Operation: 73-7=66 Moving to Node #0,0,2 Current State: 68:[2, 66], Operations: ['99-92=7', '73-7=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 51, 15, 90, 5 ]
23
[ "51*5=255", "90+255=345", "345/15=23" ]
Current State: 23:[51, 15, 90, 5], Operations: [] Exploring Operation: 51*5=255, Resulting Numbers: [15, 90, 255] Generated Node #2: [15, 90, 255] from Operation: 51*5=255 Current State: 23:[15, 90, 255], Operations: ['51*5=255'] Exploring Operation: 90+255=345, Resulting Numbers: [15, 345] Generated Node #3: [15, 345] from Operation: 90+255=345 Current State: 23:[15, 345], Operations: ['51*5=255', '90+255=345'] Exploring Operation: 345/15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[51, 15, 90, 5], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [51, 15, 18] Generated Node #0,0: 23:[51, 15, 18] Operation: 90/5=18 Exploring Operation: 51-5=46, Resulting Numbers: [15, 90, 46] Generated Node #0,1: 23:[15, 90, 46] Operation: 51-5=46 Exploring Operation: 90-51=39, Resulting Numbers: [15, 5, 39] Generated Node #0,2: 23:[15, 5, 39] Operation: 90-51=39 Exploring Operation: 90/15=6, Resulting Numbers: [51, 5, 6] Generated Node #0,3: 23:[51, 5, 6] Operation: 90/15=6 Exploring Operation: 51-15=36, Resulting Numbers: [90, 5, 36] Generated Node #0,4: 23:[90, 5, 36] Operation: 51-15=36 Moving to Node #0,0 Current State: 23:[51, 15, 18], Operations: ['90/5=18'] Exploring Operation: 51-15=36, Resulting Numbers: [18, 36] Generated Node #0,0,0: 23:[18, 36] Operation: 51-15=36 Exploring Operation: 51-18=33, Resulting Numbers: [15, 33] Generated Node #0,0,1: 23:[15, 33] Operation: 51-18=33 Exploring Operation: 18-15=3, Resulting Numbers: [51, 3] Generated Node #0,0,2: 23:[51, 3] Operation: 18-15=3 Exploring Operation: 15+18=33, Resulting Numbers: [51, 33] Generated Node #0,0,3: 23:[51, 33] Operation: 15+18=33 Exploring Operation: 51+15=66, Resulting Numbers: [18, 66] Generated Node #0,0,4: 23:[18, 66] Operation: 51+15=66 Moving to Node #0,2 Current State: 23:[15, 5, 39], Operations: ['90-51=39'] Exploring Operation: 15-5=10, Resulting Numbers: [39, 10] Generated Node #0,2,0: 23:[39, 10] Operation: 15-5=10 Exploring Operation: 5+39=44, Resulting Numbers: [15, 44] Generated Node #0,2,1: 23:[15, 44] Operation: 5+39=44 Exploring Operation: 15+5=20, Resulting Numbers: [39, 20] Generated Node #0,2,2: 23:[39, 20] Operation: 15+5=20 Exploring Operation: 39-5=34, Resulting Numbers: [15, 34] Generated Node #0,2,3: 23:[15, 34] Operation: 39-5=34 Exploring Operation: 39-15=24, Resulting Numbers: [5, 24] Generated Node #0,2,4: 23:[5, 24] Operation: 39-15=24 Moving to Node #0,3 Current State: 23:[51, 5, 6], Operations: ['90/15=6'] Exploring Operation: 5*6=30, Resulting Numbers: [51, 30] Generated Node #0,3,0: 23:[51, 30] Operation: 5*6=30 Exploring Operation: 51-6=45, Resulting Numbers: [5, 45] Generated Node #0,3,1: 23:[5, 45] Operation: 51-6=45 Exploring Operation: 51+5=56, Resulting Numbers: [6, 56] Generated Node #0,3,2: 23:[6, 56] Operation: 51+5=56 Exploring Operation: 5+6=11, Resulting Numbers: [51, 11] Generated Node #0,3,3: 23:[51, 11] Operation: 5+6=11 Exploring Operation: 51-5=46, Resulting Numbers: [6, 46] Generated Node #0,3,4: 23:[6, 46] Operation: 51-5=46 Moving to Node #0,1 Current State: 23:[15, 90, 46], Operations: ['51-5=46'] Exploring Operation: 90-15=75, Resulting Numbers: [46, 75] Generated Node #0,1,0: 23:[46, 75] Operation: 90-15=75 Exploring Operation: 15+90=105, Resulting Numbers: [46, 105] Generated Node #0,1,1: 23:[46, 105] Operation: 15+90=105 Exploring Operation: 90-46=44, Resulting Numbers: [15, 44] Generated Node #0,1,2: 23:[15, 44] Operation: 90-46=44 Exploring Operation: 90/15=6, Resulting Numbers: [46, 6] Generated Node #0,1,3: 23:[46, 6] Operation: 90/15=6 Exploring Operation: 46-15=31, Resulting Numbers: [90, 31] Generated Node #0,1,4: 23:[90, 31] Operation: 46-15=31 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[15, 44], Operations: ['51-5=46', '90-46=44'] Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[46, 6], Operations: ['51-5=46', '90/15=6'] Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[46, 75], Operations: ['51-5=46', '90-15=75'] Exploring Operation: 46*75=3450, Resulting Numbers: [3450] 3450,23 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 46+75=121, Resulting Numbers: [121] 121,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 23:[90, 31], Operations: ['51-5=46', '46-15=31'] Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,23 unequal: No Solution Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,23 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[46, 105], Operations: ['51-5=46', '15+90=105'] Exploring Operation: 46+105=151, Resulting Numbers: [151] 151,23 unequal: No Solution Exploring Operation: 46*105=4830, Resulting Numbers: [4830] 4830,23 unequal: No Solution Exploring Operation: 105-46=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 23:[90, 5, 36], Operations: ['51-15=36'] Exploring Operation: 90-5=85, Resulting Numbers: [36, 85] Generated Node #0,4,0: 23:[36, 85] Operation: 90-5=85 Exploring Operation: 36-5=31, Resulting Numbers: [90, 31] Generated Node #0,4,1: 23:[90, 31] Operation: 36-5=31 Exploring Operation: 90/5=18, Resulting Numbers: [36, 18] Generated Node #0,4,2: 23:[36, 18] Operation: 90/5=18 Exploring Operation: 90-36=54, Resulting Numbers: [5, 54] Generated Node #0,4,3: 23:[5, 54] Operation: 90-36=54 Exploring Operation: 90+5=95, Resulting Numbers: [36, 95] Generated Node #0,4,4: 23:[36, 95] Operation: 90+5=95 Moving to Node #0,0,0 Current State: 23:[18, 36], Operations: ['90/5=18', '51-15=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,23 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[15, 33], Operations: ['90/5=18', '51-18=33'] Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 15*33=495, Resulting Numbers: [495] 495,23 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[36, 18], Operations: ['51-15=36', '90/5=18'] Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,23 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[39, 20], Operations: ['90-51=39', '15+5=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[15, 34], Operations: ['90-51=39', '39-5=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,23 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[5, 24], Operations: ['90-51=39', '39-15=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[15, 44], Operations: ['90-51=39', '5+39=44'] Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,23 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[39, 10], Operations: ['90-51=39', '15-5=10'] Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,23 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[51, 30], Operations: ['90/15=6', '5*6=30'] Exploring Operation: 51*30=1530, Resulting Numbers: [1530] 1530,23 unequal: No Solution Exploring Operation: 51+30=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[51, 33], Operations: ['90/5=18', '15+18=33'] Exploring Operation: 51+33=84, Resulting Numbers: [84] 84,23 unequal: No Solution Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 51*33=1683, Resulting Numbers: [1683] 1683,23 unequal: No Solution Moving to Node #0,3,4 Current State: 23:[6, 46], Operations: ['90/15=6', '51-5=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,23 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[5, 45], Operations: ['90/15=6', '51-6=45'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[51, 11], Operations: ['90/15=6', '5+6=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,23 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[18, 66], Operations: ['90/5=18', '51+15=66'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,23 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[51, 3], Operations: ['90/5=18', '18-15=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,23 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[5, 54], Operations: ['51-15=36', '90-36=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,23 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[6, 56], Operations: ['90/15=6', '51+5=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,23 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[90, 31], Operations: ['51-15=36', '36-5=31'] Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,23 unequal: No Solution Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,23 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[36, 85], Operations: ['51-15=36', '90-5=85'] Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,23 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[36, 95], Operations: ['51-15=36', '90+5=95'] Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,23 unequal: No Solution Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,23 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 81, 23, 30, 4 ]
90
[ "81*30=2430", "23+4=27", "2430/27=90" ]
Current State: 90:[81, 23, 30, 4], Operations: [] Exploring Operation: 81*30=2430, Resulting Numbers: [23, 4, 2430] Generated Node #2: [23, 4, 2430] from Operation: 81*30=2430 Current State: 90:[23, 4, 2430], Operations: ['81*30=2430'] Exploring Operation: 23+4=27, Resulting Numbers: [2430, 27] Generated Node #3: [2430, 27] from Operation: 23+4=27 Current State: 90:[2430, 27], Operations: ['81*30=2430', '23+4=27'] Exploring Operation: 2430/27=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[81, 23, 30, 4], Operations: [] Exploring Operation: 81+4=85, Resulting Numbers: [23, 30, 85] Generated Node #0,0: 90:[23, 30, 85] Operation: 81+4=85 Exploring Operation: 23-4=19, Resulting Numbers: [81, 30, 19] Generated Node #0,1: 90:[81, 30, 19] Operation: 23-4=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[23, 30, 85], Operations: ['81+4=85'] Exploring Operation: 23+30=53, Resulting Numbers: [85, 53] Generated Node #0,0,0: 90:[85, 53] Operation: 23+30=53 Exploring Operation: 30-23=7, Resulting Numbers: [85, 7] Generated Node #0,0,1: 90:[85, 7] Operation: 30-23=7 Moving to Node #0,0,1 Current State: 90:[85, 7], Operations: ['81+4=85', '30-23=7'] Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[85, 53], Operations: ['81+4=85', '23+30=53'] Exploring Operation: 85-53=32, Resulting Numbers: [32] 32,90 unequal: No Solution Exploring Operation: 85+53=138, Resulting Numbers: [138] 138,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[81, 30, 19], Operations: ['23-4=19'] Exploring Operation: 81+19=100, Resulting Numbers: [30, 100] Generated Node #0,1,0: 90:[30, 100] Operation: 81+19=100 Exploring Operation: 81-30=51, Resulting Numbers: [19, 51] Generated Node #0,1,1: 90:[19, 51] Operation: 81-30=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[19, 51], Operations: ['23-4=19', '81-30=51'] Exploring Operation: 19+51=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[30, 100], Operations: ['23-4=19', '81+19=100'] Exploring Operation: 100-30=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 30+100=130, Resulting Numbers: [130] 130,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 5, 31, 94, 88 ]
61
[ "94-88=6", "5*6=30", "31+30=61" ]
Current State: 61:[5, 31, 94, 88], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [5, 31, 6] Generated Node #2: [5, 31, 6] from Operation: 94-88=6 Current State: 61:[5, 31, 6], Operations: ['94-88=6'] Exploring Operation: 5*6=30, Resulting Numbers: [31, 30] Generated Node #3: [31, 30] from Operation: 5*6=30 Current State: 61:[31, 30], Operations: ['94-88=6', '5*6=30'] Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 31, 94, 88], Operations: [] Exploring Operation: 88-5=83, Resulting Numbers: [31, 94, 83] Generated Node #0,0: 61:[31, 94, 83] Operation: 88-5=83 Exploring Operation: 94-5=89, Resulting Numbers: [31, 88, 89] Generated Node #0,1: 61:[31, 88, 89] Operation: 94-5=89 Exploring Operation: 5+31=36, Resulting Numbers: [94, 88, 36] Generated Node #0,2: 61:[94, 88, 36] Operation: 5+31=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[31, 94, 83], Operations: ['88-5=83'] Exploring Operation: 94-83=11, Resulting Numbers: [31, 11] Generated Node #0,0,0: 61:[31, 11] Operation: 94-83=11 Exploring Operation: 94-31=63, Resulting Numbers: [83, 63] Generated Node #0,0,1: 61:[83, 63] Operation: 94-31=63 Exploring Operation: 83-31=52, Resulting Numbers: [94, 52] Generated Node #0,0,2: 61:[94, 52] Operation: 83-31=52 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[83, 63], Operations: ['88-5=83', '94-31=63'] Exploring Operation: 83-63=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 83*63=5229, Resulting Numbers: [5229] 5229,61 unequal: No Solution Exploring Operation: 83+63=146, Resulting Numbers: [146] 146,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 61:[94, 52], Operations: ['88-5=83', '83-31=52'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[31, 11], Operations: ['88-5=83', '94-83=11'] Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,61 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[31, 88, 89], Operations: ['94-5=89'] Exploring Operation: 31+88=119, Resulting Numbers: [89, 119] Generated Node #0,1,0: 61:[89, 119] Operation: 31+88=119 Exploring Operation: 88-31=57, Resulting Numbers: [89, 57] Generated Node #0,1,1: 61:[89, 57] Operation: 88-31=57 Exploring Operation: 89-31=58, Resulting Numbers: [88, 58] Generated Node #0,1,2: 61:[88, 58] Operation: 89-31=58 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[88, 58], Operations: ['94-5=89', '89-31=58'] Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 88*58=5104, Resulting Numbers: [5104] 5104,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[89, 57], Operations: ['94-5=89', '88-31=57'] Exploring Operation: 89+57=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 89*57=5073, Resulting Numbers: [5073] 5073,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[89, 119], Operations: ['94-5=89', '31+88=119'] Exploring Operation: 89*119=10591, Resulting Numbers: [10591] 10591,61 unequal: No Solution Exploring Operation: 89+119=208, Resulting Numbers: [208] 208,61 unequal: No Solution Exploring Operation: 119-89=30, Resulting Numbers: [30] 30,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[94, 88, 36], Operations: ['5+31=36'] Exploring Operation: 94-36=58, Resulting Numbers: [88, 58] Generated Node #0,2,0: 61:[88, 58] Operation: 94-36=58 Exploring Operation: 94-88=6, Resulting Numbers: [36, 6] Generated Node #0,2,1: 61:[36, 6] Operation: 94-88=6 Exploring Operation: 88-36=52, Resulting Numbers: [94, 52] Generated Node #0,2,2: 61:[94, 52] Operation: 88-36=52 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[88, 58], Operations: ['5+31=36', '94-36=58'] Exploring Operation: 88*58=5104, Resulting Numbers: [5104] 5104,61 unequal: No Solution Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[94, 52], Operations: ['5+31=36', '88-36=52'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 61:[36, 6], Operations: ['5+31=36', '94-88=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 91, 41, 7, 96 ]
93
[ "41+7=48", "96/48=2", "91+2=93" ]
Current State: 93:[91, 41, 7, 96], Operations: [] Exploring Operation: 41+7=48, Resulting Numbers: [91, 96, 48] Generated Node #2: [91, 96, 48] from Operation: 41+7=48 Current State: 93:[91, 96, 48], Operations: ['41+7=48'] Exploring Operation: 96/48=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 96/48=2 Current State: 93:[91, 2], Operations: ['41+7=48', '96/48=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[91, 41, 7, 96], Operations: [] Exploring Operation: 41-7=34, Resulting Numbers: [91, 96, 34] Generated Node #0,0: 93:[91, 96, 34] Operation: 41-7=34 Moving to Node #0,0 Current State: 93:[91, 96, 34], Operations: ['41-7=34'] Exploring Operation: 96-91=5, Resulting Numbers: [34, 5] Generated Node #0,0,0: 93:[34, 5] Operation: 96-91=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[34, 5], Operations: ['41-7=34', '96-91=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,93 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
[ 88, 71, 54, 5 ]
67
[ "88*54=4752", "5+4752=4757", "4757/71=67" ]
Current State: 67:[88, 71, 54, 5], Operations: [] Exploring Operation: 88*54=4752, Resulting Numbers: [71, 5, 4752] Generated Node #2: [71, 5, 4752] from Operation: 88*54=4752 Current State: 67:[71, 5, 4752], Operations: ['88*54=4752'] Exploring Operation: 5+4752=4757, Resulting Numbers: [71, 4757] Generated Node #3: [71, 4757] from Operation: 5+4752=4757 Current State: 67:[71, 4757], Operations: ['88*54=4752', '5+4752=4757'] Exploring Operation: 4757/71=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[88, 71, 54, 5], Operations: [] Exploring Operation: 54+5=59, Resulting Numbers: [88, 71, 59] Generated Node #0,0: 67:[88, 71, 59] Operation: 54+5=59 Exploring Operation: 88-5=83, Resulting Numbers: [71, 54, 83] Generated Node #0,1: 67:[71, 54, 83] Operation: 88-5=83 Moving to Node #0,0 Current State: 67:[88, 71, 59], Operations: ['54+5=59'] Exploring Operation: 88-71=17, Resulting Numbers: [59, 17] Generated Node #0,0,0: 67:[59, 17] Operation: 88-71=17 Exploring Operation: 88-59=29, Resulting Numbers: [71, 29] Generated Node #0,0,1: 67:[71, 29] Operation: 88-59=29 Moving to Node #0,1 Current State: 67:[71, 54, 83], Operations: ['88-5=83'] Exploring Operation: 83-54=29, Resulting Numbers: [71, 29] Generated Node #0,1,0: 67:[71, 29] Operation: 83-54=29 Exploring Operation: 71-54=17, Resulting Numbers: [83, 17] Generated Node #0,1,1: 67:[83, 17] Operation: 71-54=17 Moving to Node #0,0,1 Current State: 67:[71, 29], Operations: ['54+5=59', '88-59=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,67 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[71, 29], Operations: ['88-5=83', '83-54=29'] Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[59, 17], Operations: ['54+5=59', '88-71=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[83, 17], Operations: ['88-5=83', '71-54=17'] Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,67 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,67 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 81, 11, 96, 98 ]
72
[ "81-11=70", "98-96=2", "70+2=72" ]
Current State: 72:[81, 11, 96, 98], Operations: [] Exploring Operation: 81-11=70, Resulting Numbers: [96, 98, 70] Generated Node #2: [96, 98, 70] from Operation: 81-11=70 Current State: 72:[96, 98, 70], Operations: ['81-11=70'] Exploring Operation: 98-96=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 98-96=2 Current State: 72:[70, 2], Operations: ['81-11=70', '98-96=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[81, 11, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [81, 11, 2] Generated Node #0,0: 72:[81, 11, 2] Operation: 98-96=2 Exploring Operation: 96-81=15, Resulting Numbers: [11, 98, 15] Generated Node #0,1: 72:[11, 98, 15] Operation: 96-81=15 Exploring Operation: 98-11=87, Resulting Numbers: [81, 96, 87] Generated Node #0,2: 72:[81, 96, 87] Operation: 98-11=87 Exploring Operation: 96-11=85, Resulting Numbers: [81, 98, 85] Generated Node #0,3: 72:[81, 98, 85] Operation: 96-11=85 Exploring Operation: 98-81=17, Resulting Numbers: [11, 96, 17] Generated Node #0,4: 72:[11, 96, 17] Operation: 98-81=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[81, 11, 2], Operations: ['98-96=2'] Exploring Operation: 11+2=13, Resulting Numbers: [81, 13] Generated Node #0,0,0: 72:[81, 13] Operation: 11+2=13 Exploring Operation: 81-11=70, Resulting Numbers: [2, 70] Generated Node #0,0,1: 72:[2, 70] Operation: 81-11=70 Exploring Operation: 11-2=9, Resulting Numbers: [81, 9] Generated Node #0,0,2: 72:[81, 9] Operation: 11-2=9 Exploring Operation: 11*2=22, Resulting Numbers: [81, 22] Generated Node #0,0,3: 72:[81, 22] Operation: 11*2=22 Exploring Operation: 81-2=79, Resulting Numbers: [11, 79] Generated Node #0,0,4: 72:[11, 79] Operation: 81-2=79 Moving to Node #0,0,1 Current State: 72:[2, 70], Operations: ['98-96=2', '81-11=70'] Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,72 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[81, 11, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [81, 11, 2] Generated Node #0,0: 72:[81, 11, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 72:[81, 11, 2], Operations: ['98-96=2'] Exploring Operation: 81-11=70, Resulting Numbers: [2, 70] Generated Node #0,0,1: 72:[2, 70] Operation: 81-11=70 Moving to Node #0,0,1 Current State: 72:[2, 70], Operations: ['98-96=2', '81-11=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 31, 39, 17, 76 ]
83
[ "31*39=1209", "17*76=1292", "1292-1209=83" ]
Current State: 83:[31, 39, 17, 76], Operations: [] Exploring Operation: 31*39=1209, Resulting Numbers: [17, 76, 1209] Generated Node #2: [17, 76, 1209] from Operation: 31*39=1209 Current State: 83:[17, 76, 1209], Operations: ['31*39=1209'] Exploring Operation: 17*76=1292, Resulting Numbers: [1209, 1292] Generated Node #3: [1209, 1292] from Operation: 17*76=1292 Current State: 83:[1209, 1292], Operations: ['31*39=1209', '17*76=1292'] Exploring Operation: 1292-1209=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[31, 39, 17, 76], Operations: [] Exploring Operation: 39+17=56, Resulting Numbers: [31, 76, 56] Generated Node #0,0: 83:[31, 76, 56] Operation: 39+17=56 Exploring Operation: 31+17=48, Resulting Numbers: [39, 76, 48] Generated Node #0,1: 83:[39, 76, 48] Operation: 31+17=48 Exploring Operation: 31+39=70, Resulting Numbers: [17, 76, 70] Generated Node #0,2: 83:[17, 76, 70] Operation: 31+39=70 Moving to Node #0,0 Current State: 83:[31, 76, 56], Operations: ['39+17=56'] Exploring Operation: 76-31=45, Resulting Numbers: [56, 45] Generated Node #0,0,0: 83:[56, 45] Operation: 76-31=45 Exploring Operation: 31+56=87, Resulting Numbers: [76, 87] Generated Node #0,0,1: 83:[76, 87] Operation: 31+56=87 Exploring Operation: 31+76=107, Resulting Numbers: [56, 107] Generated Node #0,0,2: 83:[56, 107] Operation: 31+76=107 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[76, 87], Operations: ['39+17=56', '31+56=87'] Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,83 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,83 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 #0,0,2 Current State: 83:[56, 107], Operations: ['39+17=56', '31+76=107'] Exploring Operation: 56*107=5992, Resulting Numbers: [5992] 5992,83 unequal: No Solution Exploring Operation: 56+107=163, Resulting Numbers: [163] 163,83 unequal: No Solution Exploring Operation: 107-56=51, Resulting Numbers: [51] 51,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[56, 45], Operations: ['39+17=56', '76-31=45'] Exploring Operation: 56+45=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 56*45=2520, Resulting Numbers: [2520] 2520,83 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 83:[39, 76, 48], Operations: ['31+17=48'] Exploring Operation: 39+76=115, Resulting Numbers: [48, 115] Generated Node #0,1,0: 83:[48, 115] Operation: 39+76=115 Exploring Operation: 76-39=37, Resulting Numbers: [48, 37] Generated Node #0,1,1: 83:[48, 37] Operation: 76-39=37 Exploring Operation: 39+48=87, Resulting Numbers: [76, 87] Generated Node #0,1,2: 83:[76, 87] Operation: 39+48=87 Moving to Node #0,2 Current State: 83:[17, 76, 70], Operations: ['31+39=70'] Exploring Operation: 17+70=87, Resulting Numbers: [76, 87] Generated Node #0,2,0: 83:[76, 87] Operation: 17+70=87 Exploring Operation: 76-17=59, Resulting Numbers: [70, 59] Generated Node #0,2,1: 83:[70, 59] Operation: 76-17=59 Exploring Operation: 17+76=93, Resulting Numbers: [70, 93] Generated Node #0,2,2: 83:[70, 93] Operation: 17+76=93 Moving to Node #0,1,2 Current State: 83:[76, 87], Operations: ['31+17=48', '39+48=87'] Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,83 unequal: No Solution Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[76, 87], Operations: ['31+39=70', '17+70=87'] Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,83 unequal: No Solution Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[70, 93], Operations: ['31+39=70', '17+76=93'] Exploring Operation: 70+93=163, Resulting Numbers: [163] 163,83 unequal: No Solution Exploring Operation: 70*93=6510, Resulting Numbers: [6510] 6510,83 unequal: No Solution Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[70, 59], Operations: ['31+39=70', '76-17=59'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 70*59=4130, Resulting Numbers: [4130] 4130,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[48, 115], Operations: ['31+17=48', '39+76=115'] Exploring Operation: 48*115=5520, Resulting Numbers: [5520] 5520,83 unequal: No Solution Exploring Operation: 115-48=67, Resulting Numbers: [67] 67,83 unequal: No Solution Exploring Operation: 48+115=163, Resulting Numbers: [163] 163,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[48, 37], Operations: ['31+17=48', '76-39=37'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,83 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 44, 56, 50, 75 ]
77
[ "44+56=100", "100/50=2", "75+2=77" ]
Current State: 77:[44, 56, 50, 75], Operations: [] Exploring Operation: 44+56=100, Resulting Numbers: [50, 75, 100] Generated Node #2: [50, 75, 100] from Operation: 44+56=100 Current State: 77:[50, 75, 100], Operations: ['44+56=100'] Exploring Operation: 100/50=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 100/50=2 Current State: 77:[75, 2], Operations: ['44+56=100', '100/50=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[44, 56, 50, 75], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [56, 75, 6] Generated Node #0,0: 77:[56, 75, 6] Operation: 50-44=6 Exploring Operation: 56-44=12, Resulting Numbers: [50, 75, 12] Generated Node #0,1: 77:[50, 75, 12] Operation: 56-44=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[56, 75, 6], Operations: ['50-44=6'] Exploring Operation: 56+6=62, Resulting Numbers: [75, 62] Generated Node #0,0,0: 77:[75, 62] Operation: 56+6=62 Exploring Operation: 75-56=19, Resulting Numbers: [6, 19] Generated Node #0,0,1: 77:[6, 19] Operation: 75-56=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[6, 19], Operations: ['50-44=6', '75-56=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,77 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,77 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:[75, 62], Operations: ['50-44=6', '56+6=62'] Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,77 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,77 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 #0,1 Current State: 77:[50, 75, 12], Operations: ['56-44=12'] Exploring Operation: 75-50=25, Resulting Numbers: [12, 25] Generated Node #0,1,0: 77:[12, 25] Operation: 75-50=25 Exploring Operation: 50+12=62, Resulting Numbers: [75, 62] Generated Node #0,1,1: 77:[75, 62] Operation: 50+12=62 Moving to Node #0,1,0 Current State: 77:[12, 25], Operations: ['56-44=12', '75-50=25'] Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,77 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[75, 62], Operations: ['56-44=12', '50+12=62'] Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,77 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
[ 30, 66, 6, 21 ]
90
[ "66-30=36", "6*21=126", "126-36=90" ]
Current State: 90:[30, 66, 6, 21], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [6, 21, 36] Generated Node #2: [6, 21, 36] from Operation: 66-30=36 Current State: 90:[6, 21, 36], Operations: ['66-30=36'] Exploring Operation: 6*21=126, Resulting Numbers: [36, 126] Generated Node #3: [36, 126] from Operation: 6*21=126 Current State: 90:[36, 126], Operations: ['66-30=36', '6*21=126'] Exploring Operation: 126-36=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[30, 66, 6, 21], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [30, 21, 11] Generated Node #0,0: 90:[30, 21, 11] Operation: 66/6=11 Exploring Operation: 66+21=87, Resulting Numbers: [30, 6, 87] Generated Node #0,1: 90:[30, 6, 87] Operation: 66+21=87 Exploring Operation: 66-21=45, Resulting Numbers: [30, 6, 45] Generated Node #0,2: 90:[30, 6, 45] Operation: 66-21=45 Moving to Node #0,2 Current State: 90:[30, 6, 45], Operations: ['66-21=45'] Exploring Operation: 45-30=15, Resulting Numbers: [6, 15] Generated Node #0,2,0: 90:[6, 15] Operation: 45-30=15 Exploring Operation: 30+6=36, Resulting Numbers: [45, 36] Generated Node #0,2,1: 90:[45, 36] Operation: 30+6=36 Exploring Operation: 30/6=5, Resulting Numbers: [45, 5] Generated Node #0,2,2: 90:[45, 5] Operation: 30/6=5 Moving to Node #0,1 Current State: 90:[30, 6, 87], Operations: ['66+21=87'] Exploring Operation: 30/6=5, Resulting Numbers: [87, 5] Generated Node #0,1,0: 90:[87, 5] Operation: 30/6=5 Exploring Operation: 30+6=36, Resulting Numbers: [87, 36] Generated Node #0,1,1: 90:[87, 36] Operation: 30+6=36 Exploring Operation: 6+87=93, Resulting Numbers: [30, 93] Generated Node #0,1,2: 90:[30, 93] Operation: 6+87=93 Moving to Node #0,0 Current State: 90:[30, 21, 11], Operations: ['66/6=11'] Exploring Operation: 30-21=9, Resulting Numbers: [11, 9] Generated Node #0,0,0: 90:[11, 9] Operation: 30-21=9 Exploring Operation: 21-11=10, Resulting Numbers: [30, 10] Generated Node #0,0,1: 90:[30, 10] Operation: 21-11=10 Exploring Operation: 21+11=32, Resulting Numbers: [30, 32] Generated Node #0,0,2: 90:[30, 32] Operation: 21+11=32 Moving to Node #0,2,0 Current State: 90:[6, 15], Operations: ['66-21=45', '45-30=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[30, 66, 6, 21], Operations: [] Exploring Operation: 66-21=45, Resulting Numbers: [30, 6, 45] Generated Node #0,2: 90:[30, 6, 45] Operation: 66-21=45 Moving to Node #0,2 Current State: 90:[30, 6, 45], Operations: ['66-21=45'] Exploring Operation: 45-30=15, Resulting Numbers: [6, 15] Generated Node #0,2,0: 90:[6, 15] Operation: 45-30=15 Moving to Node #0,2,0 Current State: 90:[6, 15], Operations: ['66-21=45', '45-30=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 37, 33, 13, 71 ]
21
[ "37-33=4", "13+71=84", "84/4=21" ]
Current State: 21:[37, 33, 13, 71], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [13, 71, 4] Generated Node #2: [13, 71, 4] from Operation: 37-33=4 Current State: 21:[13, 71, 4], Operations: ['37-33=4'] Exploring Operation: 13+71=84, Resulting Numbers: [4, 84] Generated Node #3: [4, 84] from Operation: 13+71=84 Current State: 21:[4, 84], Operations: ['37-33=4', '13+71=84'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[37, 33, 13, 71], Operations: [] Exploring Operation: 37-13=24, Resulting Numbers: [33, 71, 24] Generated Node #0,0: 21:[33, 71, 24] Operation: 37-13=24 Exploring Operation: 37-33=4, Resulting Numbers: [13, 71, 4] Generated Node #0,1: 21:[13, 71, 4] Operation: 37-33=4 Exploring Operation: 71-37=34, Resulting Numbers: [33, 13, 34] Generated Node #0,2: 21:[33, 13, 34] Operation: 71-37=34 Exploring Operation: 71-33=38, Resulting Numbers: [37, 13, 38] Generated Node #0,3: 21:[37, 13, 38] Operation: 71-33=38 Moving to Node #0,2 Current State: 21:[33, 13, 34], Operations: ['71-37=34'] Exploring Operation: 34-13=21, Resulting Numbers: [33, 21] Generated Node #0,2,0: 21:[33, 21] Operation: 34-13=21 Exploring Operation: 33+13=46, Resulting Numbers: [34, 46] Generated Node #0,2,1: 21:[34, 46] Operation: 33+13=46 Exploring Operation: 33-13=20, Resulting Numbers: [34, 20] Generated Node #0,2,2: 21:[34, 20] Operation: 33-13=20 Exploring Operation: 34-33=1, Resulting Numbers: [13, 1] Generated Node #0,2,3: 21:[13, 1] Operation: 34-33=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 21:[13, 1], Operations: ['71-37=34', '34-33=1'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[33, 21], Operations: ['71-37=34', '34-13=21'] Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,21 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[34, 20], Operations: ['71-37=34', '33-13=20'] Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,21 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[34, 46], Operations: ['71-37=34', '33+13=46'] Exploring Operation: 34*46=1564, Resulting Numbers: [1564] 1564,21 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,21 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: 21:[37, 13, 38], Operations: ['71-33=38'] Exploring Operation: 38-37=1, Resulting Numbers: [13, 1] Generated Node #0,3,0: 21:[13, 1] Operation: 38-37=1 Exploring Operation: 37+13=50, Resulting Numbers: [38, 50] Generated Node #0,3,1: 21:[38, 50] Operation: 37+13=50 Exploring Operation: 37-13=24, Resulting Numbers: [38, 24] Generated Node #0,3,2: 21:[38, 24] Operation: 37-13=24 Exploring Operation: 38-13=25, Resulting Numbers: [37, 25] Generated Node #0,3,3: 21:[37, 25] Operation: 38-13=25 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[13, 1], Operations: ['71-33=38', '38-37=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 21:[38, 24], Operations: ['71-33=38', '37-13=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,21 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 21:[37, 25], Operations: ['71-33=38', '38-13=25'] Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,21 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 21:[38, 50], Operations: ['71-33=38', '37+13=50'] Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,21 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 21:[13, 71, 4], Operations: ['37-33=4'] Exploring Operation: 71-4=67, Resulting Numbers: [13, 67] Generated Node #0,1,0: 21:[13, 67] Operation: 71-4=67 Exploring Operation: 13+4=17, Resulting Numbers: [71, 17] Generated Node #0,1,1: 21:[71, 17] Operation: 13+4=17 Exploring Operation: 13-4=9, Resulting Numbers: [71, 9] Generated Node #0,1,2: 21:[71, 9] Operation: 13-4=9 Exploring Operation: 71-13=58, Resulting Numbers: [4, 58] Generated Node #0,1,3: 21:[4, 58] Operation: 71-13=58 Moving to Node #0,0 Current State: 21:[33, 71, 24], Operations: ['37-13=24'] Exploring Operation: 33-24=9, Resulting Numbers: [71, 9] Generated Node #0,0,0: 21:[71, 9] Operation: 33-24=9 Exploring Operation: 33+71=104, Resulting Numbers: [24, 104] Generated Node #0,0,1: 21:[24, 104] Operation: 33+71=104 Exploring Operation: 71-24=47, Resulting Numbers: [33, 47] Generated Node #0,0,2: 21:[33, 47] Operation: 71-24=47 Exploring Operation: 71-33=38, Resulting Numbers: [24, 38] Generated Node #0,0,3: 21:[24, 38] Operation: 71-33=38 Moving to Node #0,0,3 Current State: 21:[24, 38], Operations: ['37-13=24', '71-33=38'] Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,21 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[33, 47], Operations: ['37-13=24', '71-24=47'] Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,21 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[4, 58], Operations: ['37-33=4', '71-13=58'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,21 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[71, 9], Operations: ['37-13=24', '33-24=9'] Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,21 unequal: No Solution Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[71, 9], Operations: ['37-33=4', '13-4=9'] Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,21 unequal: No Solution Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[13, 67], Operations: ['37-33=4', '71-4=67'] Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 13+67=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 13*67=871, Resulting Numbers: [871] 871,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[71, 17], Operations: ['37-33=4', '13+4=17'] Exploring Operation: 71*17=1207, Resulting Numbers: [1207] 1207,21 unequal: No Solution Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 71+17=88, Resulting Numbers: [88] 88,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[24, 104], Operations: ['37-13=24', '33+71=104'] Exploring Operation: 24*104=2496, Resulting Numbers: [2496] 2496,21 unequal: No Solution Exploring Operation: 24+104=128, Resulting Numbers: [128] 128,21 unequal: No Solution Exploring Operation: 104-24=80, Resulting Numbers: [80] 80,21 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 54, 5, 89, 32 ]
72
[ "54-5=49", "89+32=121", "121-49=72" ]
Current State: 72:[54, 5, 89, 32], Operations: [] Exploring Operation: 54-5=49, Resulting Numbers: [89, 32, 49] Generated Node #2: [89, 32, 49] from Operation: 54-5=49 Current State: 72:[89, 32, 49], Operations: ['54-5=49'] Exploring Operation: 89+32=121, Resulting Numbers: [49, 121] Generated Node #3: [49, 121] from Operation: 89+32=121 Current State: 72:[49, 121], Operations: ['54-5=49', '89+32=121'] Exploring Operation: 121-49=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[54, 5, 89, 32], Operations: [] Exploring Operation: 89-54=35, Resulting Numbers: [5, 32, 35] Generated Node #0,0: 72:[5, 32, 35] Operation: 89-54=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[5, 32, 35], Operations: ['89-54=35'] Exploring Operation: 35-32=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 72:[5, 3] Operation: 35-32=3 Moving to Node #0,0,0 Current State: 72:[5, 3], Operations: ['89-54=35', '35-32=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 77, 6, 63, 18 ]
94
[ "77-63=14", "6*18=108", "108-14=94" ]
Current State: 94:[77, 6, 63, 18], Operations: [] Exploring Operation: 77-63=14, Resulting Numbers: [6, 18, 14] Generated Node #2: [6, 18, 14] from Operation: 77-63=14 Current State: 94:[6, 18, 14], Operations: ['77-63=14'] Exploring Operation: 6*18=108, Resulting Numbers: [14, 108] Generated Node #3: [14, 108] from Operation: 6*18=108 Current State: 94:[14, 108], Operations: ['77-63=14', '6*18=108'] Exploring Operation: 108-14=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[77, 6, 63, 18], Operations: [] Exploring Operation: 77-18=59, Resulting Numbers: [6, 63, 59] Generated Node #0,0: 94:[6, 63, 59] Operation: 77-18=59 Exploring Operation: 77-63=14, Resulting Numbers: [6, 18, 14] Generated Node #0,1: 94:[6, 18, 14] Operation: 77-63=14 Exploring Operation: 63-18=45, Resulting Numbers: [77, 6, 45] Generated Node #0,2: 94:[77, 6, 45] Operation: 63-18=45 Exploring Operation: 77+18=95, Resulting Numbers: [6, 63, 95] Generated Node #0,3: 94:[6, 63, 95] Operation: 77+18=95 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[6, 63, 95], Operations: ['77+18=95'] Exploring Operation: 95-6=89, Resulting Numbers: [63, 89] Generated Node #0,3,0: 94:[63, 89] Operation: 95-6=89 Exploring Operation: 63-6=57, Resulting Numbers: [95, 57] Generated Node #0,3,1: 94:[95, 57] Operation: 63-6=57 Exploring Operation: 6+63=69, Resulting Numbers: [95, 69] Generated Node #0,3,2: 94:[95, 69] Operation: 6+63=69 Exploring Operation: 95-63=32, Resulting Numbers: [6, 32] Generated Node #0,3,3: 94:[6, 32] Operation: 95-63=32 Moving to Node #0,3,1 Current State: 94:[95, 57], Operations: ['77+18=95', '63-6=57'] Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 95+57=152, Resulting Numbers: [152] 152,94 unequal: No Solution Exploring Operation: 95*57=5415, Resulting Numbers: [5415] 5415,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[6, 32], Operations: ['77+18=95', '95-63=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[63, 89], Operations: ['77+18=95', '95-6=89'] Exploring Operation: 63*89=5607, Resulting Numbers: [5607] 5607,94 unequal: No Solution Exploring Operation: 63+89=152, Resulting Numbers: [152] 152,94 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[95, 69], Operations: ['77+18=95', '6+63=69'] Exploring Operation: 95+69=164, Resulting Numbers: [164] 164,94 unequal: No Solution Exploring Operation: 95*69=6555, Resulting Numbers: [6555] 6555,94 unequal: No Solution Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[77, 6, 45], Operations: ['63-18=45'] Exploring Operation: 77+6=83, Resulting Numbers: [45, 83] Generated Node #0,2,0: 94:[45, 83] Operation: 77+6=83 Exploring Operation: 77-6=71, Resulting Numbers: [45, 71] Generated Node #0,2,1: 94:[45, 71] Operation: 77-6=71 Exploring Operation: 6+45=51, Resulting Numbers: [77, 51] Generated Node #0,2,2: 94:[77, 51] Operation: 6+45=51 Exploring Operation: 77-45=32, Resulting Numbers: [6, 32] Generated Node #0,2,3: 94:[6, 32] Operation: 77-45=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[45, 83], Operations: ['63-18=45', '77+6=83'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 94:[6, 32], Operations: ['63-18=45', '77-45=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[77, 51], Operations: ['63-18=45', '6+45=51'] Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[45, 71], Operations: ['63-18=45', '77-6=71'] Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 45*71=3195, Resulting Numbers: [3195] 3195,94 unequal: No Solution Exploring Operation: 45+71=116, Resulting Numbers: [116] 116,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[6, 63, 59], Operations: ['77-18=59'] Exploring Operation: 59-6=53, Resulting Numbers: [63, 53] Generated Node #0,0,0: 94:[63, 53] Operation: 59-6=53 Exploring Operation: 63+59=122, Resulting Numbers: [6, 122] Generated Node #0,0,1: 94:[6, 122] Operation: 63+59=122 Exploring Operation: 63-6=57, Resulting Numbers: [59, 57] Generated Node #0,0,2: 94:[59, 57] Operation: 63-6=57 Exploring Operation: 63-59=4, Resulting Numbers: [6, 4] Generated Node #0,0,3: 94:[6, 4] Operation: 63-59=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[6, 4], Operations: ['77-18=59', '63-59=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[63, 53], Operations: ['77-18=59', '59-6=53'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,94 unequal: No Solution Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[59, 57], Operations: ['77-18=59', '63-6=57'] Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 59*57=3363, Resulting Numbers: [3363] 3363,94 unequal: No Solution Exploring Operation: 59+57=116, Resulting Numbers: [116] 116,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[6, 122], Operations: ['77-18=59', '63+59=122'] Exploring Operation: 122-6=116, Resulting Numbers: [116] 116,94 unequal: No Solution Exploring Operation: 6*122=732, Resulting Numbers: [732] 732,94 unequal: No Solution Exploring Operation: 6+122=128, Resulting Numbers: [128] 128,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[6, 18, 14], Operations: ['77-63=14'] Exploring Operation: 18+14=32, Resulting Numbers: [6, 32] Generated Node #0,1,0: 94:[6, 32] Operation: 18+14=32 Exploring Operation: 18/6=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 94:[14, 3] Operation: 18/6=3 Exploring Operation: 18-14=4, Resulting Numbers: [6, 4] Generated Node #0,1,2: 94:[6, 4] Operation: 18-14=4 Exploring Operation: 18-6=12, Resulting Numbers: [14, 12] Generated Node #0,1,3: 94:[14, 12] Operation: 18-6=12 Moving to Node #0,1,2 Current State: 94:[6, 4], Operations: ['77-63=14', '18-14=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[14, 3], Operations: ['77-63=14', '18/6=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[6, 32], Operations: ['77-63=14', '18+14=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[14, 12], Operations: ['77-63=14', '18-6=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,94 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 38, 28, 85, 70 ]
89
[ "38+28=66", "85+70=155", "155-66=89" ]
Current State: 89:[38, 28, 85, 70], Operations: [] Exploring Operation: 38+28=66, Resulting Numbers: [85, 70, 66] Generated Node #2: [85, 70, 66] from Operation: 38+28=66 Current State: 89:[85, 70, 66], Operations: ['38+28=66'] Exploring Operation: 85+70=155, Resulting Numbers: [66, 155] Generated Node #3: [66, 155] from Operation: 85+70=155 Current State: 89:[66, 155], Operations: ['38+28=66', '85+70=155'] Exploring Operation: 155-66=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[38, 28, 85, 70], Operations: [] Exploring Operation: 28+70=98, Resulting Numbers: [38, 85, 98] Generated Node #0,0: 89:[38, 85, 98] Operation: 28+70=98 Exploring Operation: 38+28=66, Resulting Numbers: [85, 70, 66] Generated Node #0,1: 89:[85, 70, 66] Operation: 38+28=66 Moving to Node #0,1 Current State: 89:[85, 70, 66], Operations: ['38+28=66'] Exploring Operation: 70+66=136, Resulting Numbers: [85, 136] Generated Node #0,1,0: 89:[85, 136] Operation: 70+66=136 Exploring Operation: 85+66=151, Resulting Numbers: [70, 151] Generated Node #0,1,1: 89:[70, 151] Operation: 85+66=151 Moving to Node #0,0 Current State: 89:[38, 85, 98], Operations: ['28+70=98'] Exploring Operation: 98-38=60, Resulting Numbers: [85, 60] Generated Node #0,0,0: 89:[85, 60] Operation: 98-38=60 Exploring Operation: 38+85=123, Resulting Numbers: [98, 123] Generated Node #0,0,1: 89:[98, 123] Operation: 38+85=123 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[85, 60], Operations: ['28+70=98', '98-38=60'] Exploring Operation: 85+60=145, Resulting Numbers: [145] 145,89 unequal: No Solution Exploring Operation: 85-60=25, Resulting Numbers: [25] 25,89 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:[98, 123], Operations: ['28+70=98', '38+85=123'] Exploring Operation: 98+123=221, Resulting Numbers: [221] 221,89 unequal: No Solution Exploring Operation: 123-98=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 89:[85, 136], Operations: ['38+28=66', '70+66=136'] Exploring Operation: 85+136=221, Resulting Numbers: [221] 221,89 unequal: No Solution Exploring Operation: 136-85=51, Resulting Numbers: [51] 51,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[70, 151], Operations: ['38+28=66', '85+66=151'] Exploring Operation: 70+151=221, Resulting Numbers: [221] 221,89 unequal: No Solution Exploring Operation: 151-70=81, Resulting Numbers: [81] 81,89 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 84, 18, 7, 61 ]
31
[ "84/7=12", "61-18=43", "43-12=31" ]
Current State: 31:[84, 18, 7, 61], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [18, 61, 12] Generated Node #2: [18, 61, 12] from Operation: 84/7=12 Current State: 31:[18, 61, 12], Operations: ['84/7=12'] Exploring Operation: 61-18=43, Resulting Numbers: [12, 43] Generated Node #3: [12, 43] from Operation: 61-18=43 Current State: 31:[12, 43], Operations: ['84/7=12', '61-18=43'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[84, 18, 7, 61], Operations: [] Exploring Operation: 84-7=77, Resulting Numbers: [18, 61, 77] Generated Node #0,0: 31:[18, 61, 77] Operation: 84-7=77 Exploring Operation: 84-18=66, Resulting Numbers: [7, 61, 66] Generated Node #0,1: 31:[7, 61, 66] Operation: 84-18=66 Exploring Operation: 84-61=23, Resulting Numbers: [18, 7, 23] Generated Node #0,2: 31:[18, 7, 23] Operation: 84-61=23 Exploring Operation: 84/7=12, Resulting Numbers: [18, 61, 12] Generated Node #0,3: 31:[18, 61, 12] Operation: 84/7=12 Moving to Node #0,2 Current State: 31:[18, 7, 23], Operations: ['84-61=23'] Exploring Operation: 18-7=11, Resulting Numbers: [23, 11] Generated Node #0,2,0: 31:[23, 11] Operation: 18-7=11 Exploring Operation: 18+7=25, Resulting Numbers: [23, 25] Generated Node #0,2,1: 31:[23, 25] Operation: 18+7=25 Exploring Operation: 7+23=30, Resulting Numbers: [18, 30] Generated Node #0,2,2: 31:[18, 30] Operation: 7+23=30 Exploring Operation: 23-7=16, Resulting Numbers: [18, 16] Generated Node #0,2,3: 31:[18, 16] Operation: 23-7=16 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[23, 25], Operations: ['84-61=23', '18+7=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[18, 30], Operations: ['84-61=23', '7+23=30'] Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,31 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[23, 11], Operations: ['84-61=23', '18-7=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,31 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[18, 16], Operations: ['84-61=23', '23-7=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,31 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: 31:[18, 61, 12], Operations: ['84/7=12'] Exploring Operation: 61-12=49, Resulting Numbers: [18, 49] Generated Node #0,3,0: 31:[18, 49] Operation: 61-12=49 Exploring Operation: 18+12=30, Resulting Numbers: [61, 30] Generated Node #0,3,1: 31:[61, 30] Operation: 18+12=30 Exploring Operation: 18-12=6, Resulting Numbers: [61, 6] Generated Node #0,3,2: 31:[61, 6] Operation: 18-12=6 Exploring Operation: 61-18=43, Resulting Numbers: [12, 43] Generated Node #0,3,3: 31:[12, 43] Operation: 61-18=43 Moving to Node #0,1 Current State: 31:[7, 61, 66], Operations: ['84-18=66'] Exploring Operation: 66-61=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 31:[7, 5] Operation: 66-61=5 Exploring Operation: 66-7=59, Resulting Numbers: [61, 59] Generated Node #0,1,1: 31:[61, 59] Operation: 66-7=59 Exploring Operation: 61-7=54, Resulting Numbers: [66, 54] Generated Node #0,1,2: 31:[66, 54] Operation: 61-7=54 Exploring Operation: 7+61=68, Resulting Numbers: [66, 68] Generated Node #0,1,3: 31:[66, 68] Operation: 7+61=68 Moving to Node #0,0 Current State: 31:[18, 61, 77], Operations: ['84-7=77'] Exploring Operation: 18+61=79, Resulting Numbers: [77, 79] Generated Node #0,0,0: 31:[77, 79] Operation: 18+61=79 Exploring Operation: 61-18=43, Resulting Numbers: [77, 43] Generated Node #0,0,1: 31:[77, 43] Operation: 61-18=43 Exploring Operation: 77-61=16, Resulting Numbers: [18, 16] Generated Node #0,0,2: 31:[18, 16] Operation: 77-61=16 Exploring Operation: 77-18=59, Resulting Numbers: [61, 59] Generated Node #0,0,3: 31:[61, 59] Operation: 77-18=59 Moving to Node #0,0,2 Current State: 31:[18, 16], Operations: ['84-7=77', '77-61=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,31 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[12, 43], Operations: ['84/7=12', '61-18=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,31 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[84, 18, 7, 61], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [18, 61, 12] Generated Node #0,3: 31:[18, 61, 12] Operation: 84/7=12 Moving to Node #0,3 Current State: 31:[18, 61, 12], Operations: ['84/7=12'] Exploring Operation: 61-18=43, Resulting Numbers: [12, 43] Generated Node #0,3,3: 31:[12, 43] Operation: 61-18=43 Moving to Node #0,3,3 Current State: 31:[12, 43], Operations: ['84/7=12', '61-18=43'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.963542
hs_4
mult_heuristic
[ 51, 14, 44, 82 ]
89
[ "51-14=37", "44+82=126", "126-37=89" ]
Current State: 89:[51, 14, 44, 82], Operations: [] Exploring Operation: 51-14=37, Resulting Numbers: [44, 82, 37] Generated Node #2: [44, 82, 37] from Operation: 51-14=37 Current State: 89:[44, 82, 37], Operations: ['51-14=37'] Exploring Operation: 44+82=126, Resulting Numbers: [37, 126] Generated Node #3: [37, 126] from Operation: 44+82=126 Current State: 89:[37, 126], Operations: ['51-14=37', '44+82=126'] Exploring Operation: 126-37=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[51, 14, 44, 82], Operations: [] Exploring Operation: 14+44=58, Resulting Numbers: [51, 82, 58] Generated Node #0,0: 89:[51, 82, 58] Operation: 14+44=58 Exploring Operation: 51+44=95, Resulting Numbers: [14, 82, 95] Generated Node #0,1: 89:[14, 82, 95] Operation: 51+44=95 Exploring Operation: 14+82=96, Resulting Numbers: [51, 44, 96] Generated Node #0,2: 89:[51, 44, 96] Operation: 14+82=96 Exploring Operation: 51+14=65, Resulting Numbers: [44, 82, 65] Generated Node #0,3: 89:[44, 82, 65] Operation: 51+14=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[51, 82, 58], Operations: ['14+44=58'] Exploring Operation: 82-51=31, Resulting Numbers: [58, 31] Generated Node #0,0,0: 89:[58, 31] Operation: 82-51=31 Exploring Operation: 51+82=133, Resulting Numbers: [58, 133] Generated Node #0,0,1: 89:[58, 133] Operation: 51+82=133 Exploring Operation: 58-51=7, Resulting Numbers: [82, 7] Generated Node #0,0,2: 89:[82, 7] Operation: 58-51=7 Exploring Operation: 51+58=109, Resulting Numbers: [82, 109] Generated Node #0,0,3: 89:[82, 109] Operation: 51+58=109 Moving to Node #0,0,3 Current State: 89:[82, 109], Operations: ['14+44=58', '51+58=109'] Exploring Operation: 82+109=191, Resulting Numbers: [191] 191,89 unequal: No Solution Exploring Operation: 109-82=27, Resulting Numbers: [27] 27,89 unequal: No Solution Exploring Operation: 82*109=8938, Resulting Numbers: [8938] 8938,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[58, 133], Operations: ['14+44=58', '51+82=133'] Exploring Operation: 133-58=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 58+133=191, Resulting Numbers: [191] 191,89 unequal: No Solution Exploring Operation: 58*133=7714, Resulting Numbers: [7714] 7714,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[82, 7], Operations: ['14+44=58', '58-51=7'] Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,89 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[51, 14, 44, 82], Operations: [] Exploring Operation: 14+44=58, Resulting Numbers: [51, 82, 58] Generated Node #0,0: 89:[51, 82, 58] Operation: 14+44=58 Moving to Node #0,0 Current State: 89:[51, 82, 58], Operations: ['14+44=58'] Exploring Operation: 58-51=7, Resulting Numbers: [82, 7] Generated Node #0,0,2: 89:[82, 7] Operation: 58-51=7 Moving to Node #0,0,2 Current State: 89:[82, 7], Operations: ['14+44=58', '58-51=7'] Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 93, 23, 7, 63 ]
53
[ "93-23=70", "70/7=10", "63-10=53" ]
Current State: 53:[93, 23, 7, 63], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [7, 63, 70] Generated Node #2: [7, 63, 70] from Operation: 93-23=70 Current State: 53:[7, 63, 70], Operations: ['93-23=70'] Exploring Operation: 70/7=10, Resulting Numbers: [63, 10] Generated Node #3: [63, 10] from Operation: 70/7=10 Current State: 53:[63, 10], Operations: ['93-23=70', '70/7=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[93, 23, 7, 63], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [23, 63, 86] Generated Node #0,0: 53:[23, 63, 86] Operation: 93-7=86 Exploring Operation: 93-23=70, Resulting Numbers: [7, 63, 70] Generated Node #0,1: 53:[7, 63, 70] Operation: 93-23=70 Moving to Node #0,0 Current State: 53:[23, 63, 86], Operations: ['93-7=86'] Exploring Operation: 63-23=40, Resulting Numbers: [86, 40] Generated Node #0,0,0: 53:[86, 40] Operation: 63-23=40 Exploring Operation: 86-23=63, Resulting Numbers: [63, 63] Generated Node #0,0,1: 53:[63, 63] Operation: 86-23=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[63, 63], Operations: ['93-7=86', '86-23=63'] Exploring Operation: 63/63=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 63-63=0, Resulting Numbers: [0] 0,53 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:[86, 40], Operations: ['93-7=86', '63-23=40'] Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,53 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:[7, 63, 70], Operations: ['93-23=70'] Exploring Operation: 63-7=56, Resulting Numbers: [70, 56] Generated Node #0,1,0: 53:[70, 56] Operation: 63-7=56 Exploring Operation: 70-7=63, Resulting Numbers: [63, 63] Generated Node #0,1,1: 53:[63, 63] Operation: 70-7=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[70, 56], Operations: ['93-23=70', '63-7=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[63, 63], Operations: ['93-23=70', '70-7=63'] Exploring Operation: 63/63=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 63-63=0, Resulting Numbers: [0] 0,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 9, 18, 3, 22 ]
96
[ "9*18=162", "3*22=66", "162-66=96" ]
Current State: 96:[9, 18, 3, 22], Operations: [] Exploring Operation: 9*18=162, Resulting Numbers: [3, 22, 162] Generated Node #2: [3, 22, 162] from Operation: 9*18=162 Current State: 96:[3, 22, 162], Operations: ['9*18=162'] Exploring Operation: 3*22=66, Resulting Numbers: [162, 66] Generated Node #3: [162, 66] from Operation: 3*22=66 Current State: 96:[162, 66], Operations: ['9*18=162', '3*22=66'] Exploring Operation: 162-66=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[9, 18, 3, 22], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [3, 22, 2] Generated Node #0,0: 96:[3, 22, 2] Operation: 18/9=2 Exploring Operation: 22-18=4, Resulting Numbers: [9, 3, 4] Generated Node #0,1: 96:[9, 3, 4] Operation: 22-18=4 Exploring Operation: 9+22=31, Resulting Numbers: [18, 3, 31] Generated Node #0,2: 96:[18, 3, 31] Operation: 9+22=31 Exploring Operation: 18-9=9, Resulting Numbers: [3, 22, 9] Generated Node #0,3: 96:[3, 22, 9] Operation: 18-9=9 Moving to Node #0,1 Current State: 96:[9, 3, 4], Operations: ['22-18=4'] Exploring Operation: 9-3=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 96:[4, 6] Operation: 9-3=6 Exploring Operation: 9+4=13, Resulting Numbers: [3, 13] Generated Node #0,1,1: 96:[3, 13] Operation: 9+4=13 Exploring Operation: 9/3=3, Resulting Numbers: [4, 3] Generated Node #0,1,2: 96:[4, 3] Operation: 9/3=3 Exploring Operation: 9+3=12, Resulting Numbers: [4, 12] Generated Node #0,1,3: 96:[4, 12] Operation: 9+3=12 Moving to Node #0,0 Current State: 96:[3, 22, 2], Operations: ['18/9=2'] Exploring Operation: 22/2=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 96:[3, 11] Operation: 22/2=11 Exploring Operation: 22+2=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 96:[3, 24] Operation: 22+2=24 Exploring Operation: 3+22=25, Resulting Numbers: [2, 25] Generated Node #0,0,2: 96:[2, 25] Operation: 3+22=25 Exploring Operation: 3*2=6, Resulting Numbers: [22, 6] Generated Node #0,0,3: 96:[22, 6] Operation: 3*2=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[3, 24], Operations: ['18/9=2', '22+2=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 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 #0,0,0 Current State: 96:[3, 11], Operations: ['18/9=2', '22/2=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,96 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 #0,0,2 Current State: 96:[2, 25], Operations: ['18/9=2', '3+22=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 96:[22, 6], Operations: ['18/9=2', '3*2=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,96 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,96 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: 96:[3, 22, 9], Operations: ['18-9=9'] Exploring Operation: 22+9=31, Resulting Numbers: [3, 31] Generated Node #0,3,0: 96:[3, 31] Operation: 22+9=31 Exploring Operation: 3+22=25, Resulting Numbers: [9, 25] Generated Node #0,3,1: 96:[9, 25] Operation: 3+22=25 Exploring Operation: 3+9=12, Resulting Numbers: [22, 12] Generated Node #0,3,2: 96:[22, 12] Operation: 3+9=12 Exploring Operation: 22-9=13, Resulting Numbers: [3, 13] Generated Node #0,3,3: 96:[3, 13] Operation: 22-9=13 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 96:[3, 31], Operations: ['18-9=9', '22+9=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,96 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 #0,3,3 Current State: 96:[3, 13], Operations: ['18-9=9', '22-9=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,96 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 #0,3,1 Current State: 96:[9, 25], Operations: ['18-9=9', '3+22=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,96 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,96 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 #0,3,2 Current State: 96:[22, 12], Operations: ['18-9=9', '3+9=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,96 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: 96:[18, 3, 31], Operations: ['9+22=31'] Exploring Operation: 31-18=13, Resulting Numbers: [3, 13] Generated Node #0,2,0: 96:[3, 13] Operation: 31-18=13 Exploring Operation: 18/3=6, Resulting Numbers: [31, 6] Generated Node #0,2,1: 96:[31, 6] Operation: 18/3=6 Exploring Operation: 18+31=49, Resulting Numbers: [3, 49] Generated Node #0,2,2: 96:[3, 49] Operation: 18+31=49 Exploring Operation: 18-3=15, Resulting Numbers: [31, 15] Generated Node #0,2,3: 96:[31, 15] Operation: 18-3=15 Moving to Node #0,1,0 Current State: 96:[4, 6], Operations: ['22-18=4', '9-3=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[4, 12], Operations: ['22-18=4', '9+3=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[4, 3], Operations: ['22-18=4', '9/3=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[3, 49], Operations: ['9+22=31', '18+31=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,96 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[31, 6], Operations: ['9+22=31', '18/3=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,96 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[3, 13], Operations: ['9+22=31', '31-18=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[3, 13], Operations: ['22-18=4', '9+4=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[31, 15], Operations: ['9+22=31', '18-3=15'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,96 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 22, 16, 3, 67 ]
32
[ "22+16=38", "3+67=70", "70-38=32" ]
Current State: 32:[22, 16, 3, 67], Operations: [] Exploring Operation: 22+16=38, Resulting Numbers: [3, 67, 38] Generated Node #2: [3, 67, 38] from Operation: 22+16=38 Current State: 32:[3, 67, 38], Operations: ['22+16=38'] Exploring Operation: 3+67=70, Resulting Numbers: [38, 70] Generated Node #3: [38, 70] from Operation: 3+67=70 Current State: 32:[38, 70], Operations: ['22+16=38', '3+67=70'] Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[22, 16, 3, 67], Operations: [] Exploring Operation: 67-22=45, Resulting Numbers: [16, 3, 45] Generated Node #0,0: 32:[16, 3, 45] Operation: 67-22=45 Moving to Node #0,0 Current State: 32:[16, 3, 45], Operations: ['67-22=45'] Exploring Operation: 45/3=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 32:[16, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[16, 15], Operations: ['67-22=45', '45/3=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,32 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
[ 26, 3, 75, 87 ]
12
[ "3*75=225", "87+225=312", "312/26=12" ]
Current State: 12:[26, 3, 75, 87], Operations: [] Exploring Operation: 3*75=225, Resulting Numbers: [26, 87, 225] Generated Node #2: [26, 87, 225] from Operation: 3*75=225 Current State: 12:[26, 87, 225], Operations: ['3*75=225'] Exploring Operation: 87+225=312, Resulting Numbers: [26, 312] Generated Node #3: [26, 312] from Operation: 87+225=312 Current State: 12:[26, 312], Operations: ['3*75=225', '87+225=312'] Exploring Operation: 312/26=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[26, 3, 75, 87], Operations: [] Exploring Operation: 87-26=61, Resulting Numbers: [3, 75, 61] Generated Node #0,0: 12:[3, 75, 61] Operation: 87-26=61 Exploring Operation: 75-26=49, Resulting Numbers: [3, 87, 49] Generated Node #0,1: 12:[3, 87, 49] Operation: 75-26=49 Exploring Operation: 75/3=25, Resulting Numbers: [26, 87, 25] Generated Node #0,2: 12:[26, 87, 25] Operation: 75/3=25 Exploring Operation: 87/3=29, Resulting Numbers: [26, 75, 29] Generated Node #0,3: 12:[26, 75, 29] Operation: 87/3=29 Exploring Operation: 87-75=12, Resulting Numbers: [26, 3, 12] Generated Node #0,4: 12:[26, 3, 12] Operation: 87-75=12 Start Sub Search at level 1: Moving to Node #0,4 Current State: 12:[26, 3, 12], Operations: ['87-75=12'] Exploring Operation: 26-12=14, Resulting Numbers: [3, 14] Generated Node #0,4,0: 12:[3, 14] Operation: 26-12=14 Exploring Operation: 12/3=4, Resulting Numbers: [26, 4] Generated Node #0,4,1: 12:[26, 4] Operation: 12/3=4 Exploring Operation: 3+12=15, Resulting Numbers: [26, 15] Generated Node #0,4,2: 12:[26, 15] Operation: 3+12=15 Exploring Operation: 26-3=23, Resulting Numbers: [12, 23] Generated Node #0,4,3: 12:[12, 23] Operation: 26-3=23 Exploring Operation: 26+3=29, Resulting Numbers: [12, 29] Generated Node #0,4,4: 12:[12, 29] Operation: 26+3=29 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 12:[3, 14], Operations: ['87-75=12', '26-12=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,12 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 12:[12, 23], Operations: ['87-75=12', '26-3=23'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 12:[26, 4], Operations: ['87-75=12', '12/3=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,12 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 12:[26, 15], Operations: ['87-75=12', '3+12=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 12:[12, 29], Operations: ['87-75=12', '26+3=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,12 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[26, 75, 29], Operations: ['87/3=29'] Exploring Operation: 75-29=46, Resulting Numbers: [26, 46] Generated Node #0,3,0: 12:[26, 46] Operation: 75-29=46 Exploring Operation: 26+29=55, Resulting Numbers: [75, 55] Generated Node #0,3,1: 12:[75, 55] Operation: 26+29=55 Exploring Operation: 75-26=49, Resulting Numbers: [29, 49] Generated Node #0,3,2: 12:[29, 49] Operation: 75-26=49 Exploring Operation: 26+75=101, Resulting Numbers: [29, 101] Generated Node #0,3,3: 12:[29, 101] Operation: 26+75=101 Exploring Operation: 29-26=3, Resulting Numbers: [75, 3] Generated Node #0,3,4: 12:[75, 3] Operation: 29-26=3 Moving to Node #0,3,0 Current State: 12:[26, 46], Operations: ['87/3=29', '75-29=46'] Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,12 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,12 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[29, 49], Operations: ['87/3=29', '75-26=49'] Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 29*49=1421, Resulting Numbers: [1421] 1421,12 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,3,4 Current State: 12:[75, 3], Operations: ['87/3=29', '29-26=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 75*3=225, Resulting Numbers: [225] 225,12 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[75, 55], Operations: ['87/3=29', '26+29=55'] Exploring Operation: 75*55=4125, Resulting Numbers: [4125] 4125,12 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,12 unequal: No Solution Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[29, 101], Operations: ['87/3=29', '26+75=101'] Exploring Operation: 29*101=2929, Resulting Numbers: [2929] 2929,12 unequal: No Solution Exploring Operation: 29+101=130, Resulting Numbers: [130] 130,12 unequal: No Solution Exploring Operation: 101-29=72, Resulting Numbers: [72] 72,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[26, 87, 25], Operations: ['75/3=25'] Exploring Operation: 26+25=51, Resulting Numbers: [87, 51] Generated Node #0,2,0: 12:[87, 51] Operation: 26+25=51 Exploring Operation: 87-26=61, Resulting Numbers: [25, 61] Generated Node #0,2,1: 12:[25, 61] Operation: 87-26=61 Exploring Operation: 26+87=113, Resulting Numbers: [25, 113] Generated Node #0,2,2: 12:[25, 113] Operation: 26+87=113 Exploring Operation: 26-25=1, Resulting Numbers: [87, 1] Generated Node #0,2,3: 12:[87, 1] Operation: 26-25=1 Exploring Operation: 87-25=62, Resulting Numbers: [26, 62] Generated Node #0,2,4: 12:[26, 62] Operation: 87-25=62 Moving to Node #0,2,1 Current State: 12:[25, 61], Operations: ['75/3=25', '87-26=61'] Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,12 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,12 unequal: No Solution Moving to Node #0,2,4 Current State: 12:[26, 62], Operations: ['75/3=25', '87-25=62'] Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,12 unequal: No Solution Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[87, 1], Operations: ['75/3=25', '26-25=1'] Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[87, 51], Operations: ['75/3=25', '26+25=51'] Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,12 unequal: No Solution Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,12 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[25, 113], Operations: ['75/3=25', '26+87=113'] Exploring Operation: 25*113=2825, Resulting Numbers: [2825] 2825,12 unequal: No Solution Exploring Operation: 113-25=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 25+113=138, Resulting Numbers: [138] 138,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[3, 75, 61], Operations: ['87-26=61'] Exploring Operation: 75/3=25, Resulting Numbers: [61, 25] Generated Node #0,0,0: 12:[61, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [61, 72] Generated Node #0,0,1: 12:[61, 72] Operation: 75-3=72 Exploring Operation: 75-61=14, Resulting Numbers: [3, 14] Generated Node #0,0,2: 12:[3, 14] Operation: 75-61=14 Exploring Operation: 3+75=78, Resulting Numbers: [61, 78] Generated Node #0,0,3: 12:[61, 78] Operation: 3+75=78 Exploring Operation: 61-3=58, Resulting Numbers: [75, 58] Generated Node #0,0,4: 12:[75, 58] Operation: 61-3=58 Moving to Node #0,0,2 Current State: 12:[3, 14], Operations: ['87-26=61', '75-61=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,12 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[61, 25], Operations: ['87-26=61', '75/3=25'] Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[61, 72], Operations: ['87-26=61', '75-3=72'] Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 61+72=133, Resulting Numbers: [133] 133,12 unequal: No Solution Exploring Operation: 61*72=4392, Resulting Numbers: [4392] 4392,12 unequal: No Solution Moving to Node #0,0,4 Current State: 12:[75, 58], Operations: ['87-26=61', '61-3=58'] Exploring Operation: 75*58=4350, Resulting Numbers: [4350] 4350,12 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[61, 78], Operations: ['87-26=61', '3+75=78'] Exploring Operation: 61+78=139, Resulting Numbers: [139] 139,12 unequal: No Solution Exploring Operation: 61*78=4758, Resulting Numbers: [4758] 4758,12 unequal: No Solution Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[3, 87, 49], Operations: ['75-26=49'] Exploring Operation: 49-3=46, Resulting Numbers: [87, 46] Generated Node #0,1,0: 12:[87, 46] Operation: 49-3=46 Exploring Operation: 87-49=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 12:[3, 38] Operation: 87-49=38 Exploring Operation: 3+87=90, Resulting Numbers: [49, 90] Generated Node #0,1,2: 12:[49, 90] Operation: 3+87=90 Exploring Operation: 87-3=84, Resulting Numbers: [49, 84] Generated Node #0,1,3: 12:[49, 84] Operation: 87-3=84 Exploring Operation: 87/3=29, Resulting Numbers: [49, 29] Generated Node #0,1,4: 12:[49, 29] Operation: 87/3=29 Moving to Node #0,1,1 Current State: 12:[3, 38], Operations: ['75-26=49', '87-49=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,12 unequal: No Solution Moving to Node #0,1,4 Current State: 12:[49, 29], Operations: ['75-26=49', '87/3=29'] Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,12 unequal: No Solution Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[87, 46], Operations: ['75-26=49', '49-3=46'] Exploring Operation: 87*46=4002, Resulting Numbers: [4002] 4002,12 unequal: No Solution Exploring Operation: 87+46=133, Resulting Numbers: [133] 133,12 unequal: No Solution Exploring Operation: 87-46=41, Resulting Numbers: [41] 41,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[49, 84], Operations: ['75-26=49', '87-3=84'] Exploring Operation: 49*84=4116, Resulting Numbers: [4116] 4116,12 unequal: No Solution Exploring Operation: 49+84=133, Resulting Numbers: [133] 133,12 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[49, 90], Operations: ['75-26=49', '3+87=90'] Exploring Operation: 49+90=139, Resulting Numbers: [139] 139,12 unequal: No Solution Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 49*90=4410, Resulting Numbers: [4410] 4410,12 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
[ 45, 12, 19, 78 ]
81
[ "45+12=57", "57/19=3", "78+3=81" ]
Current State: 81:[45, 12, 19, 78], Operations: [] Exploring Operation: 45+12=57, Resulting Numbers: [19, 78, 57] Generated Node #2: [19, 78, 57] from Operation: 45+12=57 Current State: 81:[19, 78, 57], Operations: ['45+12=57'] Exploring Operation: 57/19=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 57/19=3 Current State: 81:[78, 3], Operations: ['45+12=57', '57/19=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[45, 12, 19, 78], Operations: [] Exploring Operation: 45-12=33, Resulting Numbers: [19, 78, 33] Generated Node #0,0: 81:[19, 78, 33] Operation: 45-12=33 Exploring Operation: 78-45=33, Resulting Numbers: [12, 19, 33] Generated Node #0,1: 81:[12, 19, 33] Operation: 78-45=33 Exploring Operation: 45-19=26, Resulting Numbers: [12, 78, 26] Generated Node #0,2: 81:[12, 78, 26] Operation: 45-19=26 Exploring Operation: 45+19=64, Resulting Numbers: [12, 78, 64] Generated Node #0,3: 81:[12, 78, 64] Operation: 45+19=64 Moving to Node #0,2 Current State: 81:[12, 78, 26], Operations: ['45-19=26'] Exploring Operation: 12+26=38, Resulting Numbers: [78, 38] Generated Node #0,2,0: 81:[78, 38] Operation: 12+26=38 Exploring Operation: 78/26=3, Resulting Numbers: [12, 3] Generated Node #0,2,1: 81:[12, 3] Operation: 78/26=3 Exploring Operation: 26-12=14, Resulting Numbers: [78, 14] Generated Node #0,2,2: 81:[78, 14] Operation: 26-12=14 Exploring Operation: 12+78=90, Resulting Numbers: [26, 90] Generated Node #0,2,3: 81:[26, 90] Operation: 12+78=90 Moving to Node #0,1 Current State: 81:[12, 19, 33], Operations: ['78-45=33'] Exploring Operation: 33-12=21, Resulting Numbers: [19, 21] Generated Node #0,1,0: 81:[19, 21] Operation: 33-12=21 Exploring Operation: 19-12=7, Resulting Numbers: [33, 7] Generated Node #0,1,1: 81:[33, 7] Operation: 19-12=7 Exploring Operation: 12+19=31, Resulting Numbers: [33, 31] Generated Node #0,1,2: 81:[33, 31] Operation: 12+19=31 Exploring Operation: 33-19=14, Resulting Numbers: [12, 14] Generated Node #0,1,3: 81:[12, 14] Operation: 33-19=14 Moving to Node #0,0 Current State: 81:[19, 78, 33], Operations: ['45-12=33'] Exploring Operation: 78-19=59, Resulting Numbers: [33, 59] Generated Node #0,0,0: 81:[33, 59] Operation: 78-19=59 Exploring Operation: 33-19=14, Resulting Numbers: [78, 14] Generated Node #0,0,1: 81:[78, 14] Operation: 33-19=14 Exploring Operation: 78-33=45, Resulting Numbers: [19, 45] Generated Node #0,0,2: 81:[19, 45] Operation: 78-33=45 Exploring Operation: 19+78=97, Resulting Numbers: [33, 97] Generated Node #0,0,3: 81:[33, 97] Operation: 19+78=97 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[78, 14], Operations: ['45-12=33', '33-19=14'] Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,81 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,81 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[33, 97], Operations: ['45-12=33', '19+78=97'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,81 unequal: No Solution Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[19, 45], Operations: ['45-12=33', '78-33=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,81 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[33, 59], Operations: ['45-12=33', '78-19=59'] Exploring Operation: 33*59=1947, Resulting Numbers: [1947] 1947,81 unequal: No Solution Exploring Operation: 59-33=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 33+59=92, Resulting Numbers: [92] 92,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 81:[12, 78, 64], Operations: ['45+19=64'] Exploring Operation: 12+64=76, Resulting Numbers: [78, 76] Generated Node #0,3,0: 81:[78, 76] Operation: 12+64=76 Exploring Operation: 78-64=14, Resulting Numbers: [12, 14] Generated Node #0,3,1: 81:[12, 14] Operation: 78-64=14 Exploring Operation: 12+78=90, Resulting Numbers: [64, 90] Generated Node #0,3,2: 81:[64, 90] Operation: 12+78=90 Exploring Operation: 64-12=52, Resulting Numbers: [78, 52] Generated Node #0,3,3: 81:[78, 52] Operation: 64-12=52 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 81:[78, 76], Operations: ['45+19=64', '12+64=76'] Exploring Operation: 78*76=5928, Resulting Numbers: [5928] 5928,81 unequal: No Solution Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 78+76=154, Resulting Numbers: [154] 154,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 81:[12, 14], Operations: ['45+19=64', '78-64=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[64, 90], Operations: ['45+19=64', '12+78=90'] Exploring Operation: 64+90=154, Resulting Numbers: [154] 154,81 unequal: No Solution Exploring Operation: 64*90=5760, Resulting Numbers: [5760] 5760,81 unequal: No Solution Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[78, 52], Operations: ['45+19=64', '64-12=52'] Exploring Operation: 78*52=4056, Resulting Numbers: [4056] 4056,81 unequal: No Solution Exploring Operation: 78+52=130, Resulting Numbers: [130] 130,81 unequal: No Solution Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,81 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: 81:[12, 3], Operations: ['45-19=26', '78/26=3'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[12, 14], Operations: ['78-45=33', '33-19=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,81 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[78, 14], Operations: ['45-19=26', '26-12=14'] Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,81 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[33, 7], Operations: ['78-45=33', '19-12=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,81 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[33, 31], Operations: ['78-45=33', '12+19=31'] Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,81 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[26, 90], Operations: ['45-19=26', '12+78=90'] Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 26*90=2340, Resulting Numbers: [2340] 2340,81 unequal: No Solution Exploring Operation: 26+90=116, Resulting Numbers: [116] 116,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[78, 38], Operations: ['45-19=26', '12+26=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,81 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,81 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[19, 21], Operations: ['78-45=33', '33-12=21'] Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,81 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,81 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 46, 82, 50, 45 ]
98
[ "50-46=4", "45*4=180", "180-82=98" ]
Current State: 98:[46, 82, 50, 45], Operations: [] Exploring Operation: 50-46=4, Resulting Numbers: [82, 45, 4] Generated Node #2: [82, 45, 4] from Operation: 50-46=4 Current State: 98:[82, 45, 4], Operations: ['50-46=4'] Exploring Operation: 45*4=180, Resulting Numbers: [82, 180] Generated Node #3: [82, 180] from Operation: 45*4=180 Current State: 98:[82, 180], Operations: ['50-46=4', '45*4=180'] Exploring Operation: 180-82=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[46, 82, 50, 45], Operations: [] Exploring Operation: 82-45=37, Resulting Numbers: [46, 50, 37] Generated Node #0,0: 98:[46, 50, 37] Operation: 82-45=37 Exploring Operation: 82-46=36, Resulting Numbers: [50, 45, 36] Generated Node #0,1: 98:[50, 45, 36] Operation: 82-46=36 Exploring Operation: 46-45=1, Resulting Numbers: [82, 50, 1] Generated Node #0,2: 98:[82, 50, 1] Operation: 46-45=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[46, 50, 37], Operations: ['82-45=37'] Exploring Operation: 46-37=9, Resulting Numbers: [50, 9] Generated Node #0,0,0: 98:[50, 9] Operation: 46-37=9 Exploring Operation: 46+50=96, Resulting Numbers: [37, 96] Generated Node #0,0,1: 98:[37, 96] Operation: 46+50=96 Exploring Operation: 50-37=13, Resulting Numbers: [46, 13] Generated Node #0,0,2: 98:[46, 13] Operation: 50-37=13 Moving to Node #0,0,0 Current State: 98:[50, 9], Operations: ['82-45=37', '46-37=9'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,98 unequal: No Solution Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[46, 13], Operations: ['82-45=37', '50-37=13'] Exploring Operation: 46*13=598, Resulting Numbers: [598] 598,98 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 46+13=59, Resulting Numbers: [59] 59,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[37, 96], Operations: ['82-45=37', '46+50=96'] Exploring Operation: 37+96=133, Resulting Numbers: [133] 133,98 unequal: No Solution Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 37*96=3552, Resulting Numbers: [3552] 3552,98 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 Current State: 98:[50, 45, 36], Operations: ['82-46=36'] Exploring Operation: 50-36=14, Resulting Numbers: [45, 14] Generated Node #0,1,0: 98:[45, 14] Operation: 50-36=14 Exploring Operation: 50-45=5, Resulting Numbers: [36, 5] Generated Node #0,1,1: 98:[36, 5] Operation: 50-45=5 Exploring Operation: 45-36=9, Resulting Numbers: [50, 9] Generated Node #0,1,2: 98:[50, 9] Operation: 45-36=9 Moving to Node #0,1,2 Current State: 98:[50, 9], Operations: ['82-46=36', '45-36=9'] Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,98 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[45, 14], Operations: ['82-46=36', '50-36=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,98 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[36, 5], Operations: ['82-46=36', '50-45=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,98 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 Current State: 98:[82, 50, 1], Operations: ['46-45=1'] Exploring Operation: 82+1=83, Resulting Numbers: [50, 83] Generated Node #0,2,0: 98:[50, 83] Operation: 82+1=83 Exploring Operation: 82*1=82, Resulting Numbers: [50, 82] Generated Node #0,2,1: 98:[50, 82] Operation: 82*1=82 Exploring Operation: 50-1=49, Resulting Numbers: [82, 49] Generated Node #0,2,2: 98:[82, 49] Operation: 50-1=49 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[50, 83], Operations: ['46-45=1', '82+1=83'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 50+83=133, Resulting Numbers: [133] 133,98 unequal: No Solution Exploring Operation: 50*83=4150, Resulting Numbers: [4150] 4150,98 unequal: No Solution No 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: 98:[82, 49], Operations: ['46-45=1', '50-1=49'] Exploring Operation: 82*49=4018, Resulting Numbers: [4018] 4018,98 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 82+49=131, Resulting Numbers: [131] 131,98 unequal: No Solution No 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: 98:[50, 82], Operations: ['46-45=1', '82*1=82'] Exploring Operation: 50+82=132, Resulting Numbers: [132] 132,98 unequal: No Solution Exploring Operation: 50*82=4100, Resulting Numbers: [4100] 4100,98 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 20, 88, 12, 64 ]
10
[ "20*12=240", "88-64=24", "240/24=10" ]
Current State: 10:[20, 88, 12, 64], Operations: [] Exploring Operation: 20*12=240, Resulting Numbers: [88, 64, 240] Generated Node #2: [88, 64, 240] from Operation: 20*12=240 Current State: 10:[88, 64, 240], Operations: ['20*12=240'] Exploring Operation: 88-64=24, Resulting Numbers: [240, 24] Generated Node #3: [240, 24] from Operation: 88-64=24 Current State: 10:[240, 24], Operations: ['20*12=240', '88-64=24'] Exploring Operation: 240/24=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[20, 88, 12, 64], Operations: [] Exploring Operation: 88-12=76, Resulting Numbers: [20, 64, 76] Generated Node #0,0: 10:[20, 64, 76] Operation: 88-12=76 Exploring Operation: 88-64=24, Resulting Numbers: [20, 12, 24] Generated Node #0,1: 10:[20, 12, 24] Operation: 88-64=24 Exploring Operation: 64-12=52, Resulting Numbers: [20, 88, 52] Generated Node #0,2: 10:[20, 88, 52] Operation: 64-12=52 Exploring Operation: 64-20=44, Resulting Numbers: [88, 12, 44] Generated Node #0,3: 10:[88, 12, 44] Operation: 64-20=44 Exploring Operation: 88-20=68, Resulting Numbers: [12, 64, 68] Generated Node #0,4: 10:[12, 64, 68] Operation: 88-20=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[20, 12, 24], Operations: ['88-64=24'] Exploring Operation: 24-20=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 10:[12, 4] Operation: 24-20=4 Exploring Operation: 24-12=12, Resulting Numbers: [20, 12] Generated Node #0,1,1: 10:[20, 12] Operation: 24-12=12 Exploring Operation: 20-12=8, Resulting Numbers: [24, 8] Generated Node #0,1,2: 10:[24, 8] Operation: 20-12=8 Exploring Operation: 20+12=32, Resulting Numbers: [24, 32] Generated Node #0,1,3: 10:[24, 32] Operation: 20+12=32 Exploring Operation: 24/12=2, Resulting Numbers: [20, 2] Generated Node #0,1,4: 10:[20, 2] Operation: 24/12=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[12, 4], Operations: ['88-64=24', '24-20=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 10:[20, 2], Operations: ['88-64=24', '24/12=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[20, 88, 12, 64], Operations: [] Exploring Operation: 88-64=24, Resulting Numbers: [20, 12, 24] Generated Node #0,1: 10:[20, 12, 24] Operation: 88-64=24 Moving to Node #0,1 Current State: 10:[20, 12, 24], Operations: ['88-64=24'] Exploring Operation: 24/12=2, Resulting Numbers: [20, 2] Generated Node #0,1,4: 10:[20, 2] Operation: 24/12=2 Moving to Node #0,1,4 Current State: 10:[20, 2], Operations: ['88-64=24', '24/12=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 48, 50, 15, 10 ]
77
[ "48*15=720", "50+720=770", "770/10=77" ]
Current State: 77:[48, 50, 15, 10], Operations: [] Exploring Operation: 48*15=720, Resulting Numbers: [50, 10, 720] Generated Node #2: [50, 10, 720] from Operation: 48*15=720 Current State: 77:[50, 10, 720], Operations: ['48*15=720'] Exploring Operation: 50+720=770, Resulting Numbers: [10, 770] Generated Node #3: [10, 770] from Operation: 50+720=770 Current State: 77:[10, 770], Operations: ['48*15=720', '50+720=770'] Exploring Operation: 770/10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[48, 50, 15, 10], Operations: [] Exploring Operation: 50-48=2, Resulting Numbers: [15, 10, 2] Generated Node #0,0: 77:[15, 10, 2] Operation: 50-48=2 Moving to Node #0,0 Current State: 77:[15, 10, 2], Operations: ['50-48=2'] Exploring Operation: 15-2=13, Resulting Numbers: [10, 13] Generated Node #0,0,0: 77:[10, 13] Operation: 15-2=13 Moving to Node #0,0,0 Current State: 77:[10, 13], Operations: ['50-48=2', '15-2=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 36, 4, 50, 42 ]
60
[ "36-4=32", "50+42=92", "92-32=60" ]
Current State: 60:[36, 4, 50, 42], Operations: [] Exploring Operation: 36-4=32, Resulting Numbers: [50, 42, 32] Generated Node #2: [50, 42, 32] from Operation: 36-4=32 Current State: 60:[50, 42, 32], Operations: ['36-4=32'] Exploring Operation: 50+42=92, Resulting Numbers: [32, 92] Generated Node #3: [32, 92] from Operation: 50+42=92 Current State: 60:[32, 92], Operations: ['36-4=32', '50+42=92'] Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[36, 4, 50, 42], Operations: [] Exploring Operation: 50-36=14, Resulting Numbers: [4, 42, 14] Generated Node #0,0: 60:[4, 42, 14] Operation: 50-36=14 Exploring Operation: 42-36=6, Resulting Numbers: [4, 50, 6] Generated Node #0,1: 60:[4, 50, 6] Operation: 42-36=6 Exploring Operation: 36/4=9, Resulting Numbers: [50, 42, 9] Generated Node #0,2: 60:[50, 42, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [50, 42, 32] Generated Node #0,3: 60:[50, 42, 32] Operation: 36-4=32 Exploring Operation: 50-42=8, Resulting Numbers: [36, 4, 8] Generated Node #0,4: 60:[36, 4, 8] Operation: 50-42=8 Moving to Node #0,4 Current State: 60:[36, 4, 8], Operations: ['50-42=8'] Exploring Operation: 36-8=28, Resulting Numbers: [4, 28] Generated Node #0,4,0: 60:[4, 28] Operation: 36-8=28 Exploring Operation: 4+8=12, Resulting Numbers: [36, 12] Generated Node #0,4,1: 60:[36, 12] Operation: 4+8=12 Exploring Operation: 8-4=4, Resulting Numbers: [36, 4] Generated Node #0,4,2: 60:[36, 4] Operation: 8-4=4 Exploring Operation: 36/4=9, Resulting Numbers: [8, 9] Generated Node #0,4,3: 60:[8, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [8, 32] Generated Node #0,4,4: 60:[8, 32] Operation: 36-4=32 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 60:[4, 28], Operations: ['50-42=8', '36-8=28'] Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,60 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 60:[8, 9], Operations: ['50-42=8', '36/4=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 60:[8, 32], Operations: ['50-42=8', '36-4=32'] Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,60 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 60:[36, 12], Operations: ['50-42=8', '4+8=12'] Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,60 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 60:[36, 4], Operations: ['50-42=8', '8-4=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,60 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,60 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: 60:[4, 50, 6], Operations: ['42-36=6'] Exploring Operation: 4+6=10, Resulting Numbers: [50, 10] Generated Node #0,1,0: 60:[50, 10] Operation: 4+6=10 Exploring Operation: 50+6=56, Resulting Numbers: [4, 56] Generated Node #0,1,1: 60:[4, 56] Operation: 50+6=56 Exploring Operation: 6-4=2, Resulting Numbers: [50, 2] Generated Node #0,1,2: 60:[50, 2] Operation: 6-4=2 Exploring Operation: 50-4=46, Resulting Numbers: [6, 46] Generated Node #0,1,3: 60:[6, 46] Operation: 50-4=46 Exploring Operation: 4+50=54, Resulting Numbers: [6, 54] Generated Node #0,1,4: 60:[6, 54] Operation: 4+50=54 Moving to Node #0,0 Current State: 60:[4, 42, 14], Operations: ['50-36=14'] Exploring Operation: 42-4=38, Resulting Numbers: [14, 38] Generated Node #0,0,0: 60:[14, 38] Operation: 42-4=38 Exploring Operation: 42+14=56, Resulting Numbers: [4, 56] Generated Node #0,0,1: 60:[4, 56] Operation: 42+14=56 Exploring Operation: 42/14=3, Resulting Numbers: [4, 3] Generated Node #0,0,2: 60:[4, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [4, 28] Generated Node #0,0,3: 60:[4, 28] Operation: 42-14=28 Exploring Operation: 14-4=10, Resulting Numbers: [42, 10] Generated Node #0,0,4: 60:[42, 10] Operation: 14-4=10 Moving to Node #0,2 Current State: 60:[50, 42, 9], Operations: ['36/4=9'] Exploring Operation: 42+9=51, Resulting Numbers: [50, 51] Generated Node #0,2,0: 60:[50, 51] Operation: 42+9=51 Exploring Operation: 50+9=59, Resulting Numbers: [42, 59] Generated Node #0,2,1: 60:[42, 59] Operation: 50+9=59 Exploring Operation: 42-9=33, Resulting Numbers: [50, 33] Generated Node #0,2,2: 60:[50, 33] Operation: 42-9=33 Exploring Operation: 50-42=8, Resulting Numbers: [9, 8] Generated Node #0,2,3: 60:[9, 8] Operation: 50-42=8 Exploring Operation: 50-9=41, Resulting Numbers: [42, 41] Generated Node #0,2,4: 60:[42, 41] Operation: 50-9=41 Moving to Node #0,3 Current State: 60:[50, 42, 32], Operations: ['36-4=32'] Exploring Operation: 50-42=8, Resulting Numbers: [32, 8] Generated Node #0,3,0: 60:[32, 8] Operation: 50-42=8 Exploring Operation: 50-32=18, Resulting Numbers: [42, 18] Generated Node #0,3,1: 60:[42, 18] Operation: 50-32=18 Exploring Operation: 50+42=92, Resulting Numbers: [32, 92] Generated Node #0,3,2: 60:[32, 92] Operation: 50+42=92 Exploring Operation: 42+32=74, Resulting Numbers: [50, 74] Generated Node #0,3,3: 60:[50, 74] Operation: 42+32=74 Exploring Operation: 42-32=10, Resulting Numbers: [50, 10] Generated Node #0,3,4: 60:[50, 10] Operation: 42-32=10 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[32, 8], Operations: ['36-4=32', '50-42=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 32*8=256, Resulting Numbers: [256] 256,60 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[50, 10], Operations: ['36-4=32', '42-32=10'] Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,60 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[36, 4, 50, 42], Operations: [] Exploring Operation: 36-4=32, Resulting Numbers: [50, 42, 32] Generated Node #0,3: 60:[50, 42, 32] Operation: 36-4=32 Moving to Node #0,3 Current State: 60:[50, 42, 32], Operations: ['36-4=32'] Exploring Operation: 42-32=10, Resulting Numbers: [50, 10] Generated Node #0,3,4: 60:[50, 10] Operation: 42-32=10 Moving to Node #0,3,4 Current State: 60:[50, 10], Operations: ['36-4=32', '42-32=10'] Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_5
sum_heuristic
[ 4, 94, 36, 5 ]
55
[ "4*36=144", "94-5=89", "144-89=55" ]
Current State: 55:[4, 94, 36, 5], Operations: [] Exploring Operation: 4*36=144, Resulting Numbers: [94, 5, 144] Generated Node #2: [94, 5, 144] from Operation: 4*36=144 Current State: 55:[94, 5, 144], Operations: ['4*36=144'] Exploring Operation: 94-5=89, Resulting Numbers: [144, 89] Generated Node #3: [144, 89] from Operation: 94-5=89 Current State: 55:[144, 89], Operations: ['4*36=144', '94-5=89'] Exploring Operation: 144-89=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[4, 94, 36, 5], Operations: [] Exploring Operation: 94-4=90, Resulting Numbers: [36, 5, 90] Generated Node #0,0: 55:[36, 5, 90] Operation: 94-4=90 Exploring Operation: 36/4=9, Resulting Numbers: [94, 5, 9] Generated Node #0,1: 55:[94, 5, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [94, 5, 40] Generated Node #0,2: 55:[94, 5, 40] Operation: 4+36=40 Exploring Operation: 94-36=58, Resulting Numbers: [4, 5, 58] Generated Node #0,3: 55:[4, 5, 58] Operation: 94-36=58 Exploring Operation: 94-5=89, Resulting Numbers: [4, 36, 89] Generated Node #0,4: 55:[4, 36, 89] Operation: 94-5=89 Moving to Node #0,3 Current State: 55:[4, 5, 58], Operations: ['94-36=58'] Exploring Operation: 4+5=9, Resulting Numbers: [58, 9] Generated Node #0,3,0: 55:[58, 9] Operation: 4+5=9 Exploring Operation: 4+58=62, Resulting Numbers: [5, 62] Generated Node #0,3,1: 55:[5, 62] Operation: 4+58=62 Exploring Operation: 58-4=54, Resulting Numbers: [5, 54] Generated Node #0,3,2: 55:[5, 54] Operation: 58-4=54 Exploring Operation: 5-4=1, Resulting Numbers: [58, 1] Generated Node #0,3,3: 55:[58, 1] Operation: 5-4=1 Exploring Operation: 58-5=53, Resulting Numbers: [4, 53] Generated Node #0,3,4: 55:[4, 53] Operation: 58-5=53 Moving to Node #0,1 Current State: 55:[94, 5, 9], Operations: ['36/4=9'] Exploring Operation: 5+9=14, Resulting Numbers: [94, 14] Generated Node #0,1,0: 55:[94, 14] Operation: 5+9=14 Exploring Operation: 9-5=4, Resulting Numbers: [94, 4] Generated Node #0,1,1: 55:[94, 4] Operation: 9-5=4 Exploring Operation: 94+5=99, Resulting Numbers: [9, 99] Generated Node #0,1,2: 55:[9, 99] Operation: 94+5=99 Exploring Operation: 94-5=89, Resulting Numbers: [9, 89] Generated Node #0,1,3: 55:[9, 89] Operation: 94-5=89 Exploring Operation: 94-9=85, Resulting Numbers: [5, 85] Generated Node #0,1,4: 55:[5, 85] Operation: 94-9=85 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 55:[5, 85], Operations: ['36/4=9', '94-9=85'] Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 5*85=425, Resulting Numbers: [425] 425,55 unequal: No Solution Exploring Operation: 5+85=90, Resulting Numbers: [90] 90,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[9, 89], Operations: ['36/4=9', '94-5=89'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 9*89=801, Resulting Numbers: [801] 801,55 unequal: No Solution Exploring Operation: 9+89=98, Resulting Numbers: [98] 98,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[94, 4], Operations: ['36/4=9', '9-5=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,55 unequal: No Solution Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[94, 14], Operations: ['36/4=9', '5+9=14'] Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,55 unequal: No Solution Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,55 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[9, 99], Operations: ['36/4=9', '94+5=99'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 9*99=891, Resulting Numbers: [891] 891,55 unequal: No Solution Exploring Operation: 9+99=108, Resulting Numbers: [108] 108,55 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:[36, 5, 90], Operations: ['94-4=90'] Exploring Operation: 36+5=41, Resulting Numbers: [90, 41] Generated Node #0,0,0: 55:[90, 41] Operation: 36+5=41 Exploring Operation: 90-5=85, Resulting Numbers: [36, 85] Generated Node #0,0,1: 55:[36, 85] Operation: 90-5=85 Exploring Operation: 90/5=18, Resulting Numbers: [36, 18] Generated Node #0,0,2: 55:[36, 18] Operation: 90/5=18 Exploring Operation: 90-36=54, Resulting Numbers: [5, 54] Generated Node #0,0,3: 55:[5, 54] Operation: 90-36=54 Exploring Operation: 36-5=31, Resulting Numbers: [90, 31] Generated Node #0,0,4: 55:[90, 31] Operation: 36-5=31 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[5, 54], Operations: ['94-4=90', '90-36=54'] Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,55 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,55 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 #0,0,2 Current State: 55:[36, 18], Operations: ['94-4=90', '90/5=18'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,55 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,55 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 #0,0,0 Current State: 55:[90, 41], Operations: ['94-4=90', '36+5=41'] Exploring Operation: 90*41=3690, Resulting Numbers: [3690] 3690,55 unequal: No Solution Exploring Operation: 90+41=131, Resulting Numbers: [131] 131,55 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,55 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 #0,0,1 Current State: 55:[36, 85], Operations: ['94-4=90', '90-5=85'] Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,55 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,55 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 #0,0,4 Current State: 55:[90, 31], Operations: ['94-4=90', '36-5=31'] Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,55 unequal: No Solution Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,55 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 55:[94, 5, 40], Operations: ['4+36=40'] Exploring Operation: 40/5=8, Resulting Numbers: [94, 8] Generated Node #0,2,0: 55:[94, 8] Operation: 40/5=8 Exploring Operation: 5+40=45, Resulting Numbers: [94, 45] Generated Node #0,2,1: 55:[94, 45] Operation: 5+40=45 Exploring Operation: 94+5=99, Resulting Numbers: [40, 99] Generated Node #0,2,2: 55:[40, 99] Operation: 94+5=99 Exploring Operation: 94-40=54, Resulting Numbers: [5, 54] Generated Node #0,2,3: 55:[5, 54] Operation: 94-40=54 Exploring Operation: 94-5=89, Resulting Numbers: [40, 89] Generated Node #0,2,4: 55:[40, 89] Operation: 94-5=89 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[5, 54], Operations: ['4+36=40', '94-40=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,55 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,55 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 #0,2,0 Current State: 55:[94, 8], Operations: ['4+36=40', '40/5=8'] Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,55 unequal: No Solution Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,55 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,55 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:[94, 45], Operations: ['4+36=40', '5+40=45'] Exploring Operation: 94*45=4230, Resulting Numbers: [4230] 4230,55 unequal: No Solution Exploring Operation: 94+45=139, Resulting Numbers: [139] 139,55 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 55:[40, 89], Operations: ['4+36=40', '94-5=89'] Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,55 unequal: No Solution Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,55 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:[40, 99], Operations: ['4+36=40', '94+5=99'] Exploring Operation: 40+99=139, Resulting Numbers: [139] 139,55 unequal: No Solution Exploring Operation: 99-40=59, Resulting Numbers: [59] 59,55 unequal: No Solution Exploring Operation: 40*99=3960, Resulting Numbers: [3960] 3960,55 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: 55:[4, 36, 89], Operations: ['94-5=89'] Exploring Operation: 89-36=53, Resulting Numbers: [4, 53] Generated Node #0,4,0: 55:[4, 53] Operation: 89-36=53 Exploring Operation: 36-4=32, Resulting Numbers: [89, 32] Generated Node #0,4,1: 55:[89, 32] Operation: 36-4=32 Exploring Operation: 36/4=9, Resulting Numbers: [89, 9] Generated Node #0,4,2: 55:[89, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [89, 40] Generated Node #0,4,3: 55:[89, 40] Operation: 4+36=40 Exploring Operation: 89-4=85, Resulting Numbers: [36, 85] Generated Node #0,4,4: 55:[36, 85] Operation: 89-4=85 Moving to Node #0,3,2 Current State: 55:[5, 54], Operations: ['94-36=58', '58-4=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,55 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,55 unequal: No Solution Moving to Node #0,4,0 Current State: 55:[4, 53], Operations: ['94-5=89', '89-36=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,55 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[4, 53], Operations: ['94-36=58', '58-5=53'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[58, 9], Operations: ['94-36=58', '4+5=9'] Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,55 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[58, 1], Operations: ['94-36=58', '5-4=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,55 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[5, 62], Operations: ['94-36=58', '4+58=62'] Exploring Operation: 5*62=310, Resulting Numbers: [310] 310,55 unequal: No Solution Exploring Operation: 5+62=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,55 unequal: No Solution Moving to Node #0,4,2 Current State: 55:[89, 9], Operations: ['94-5=89', '36/4=9'] Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,55 unequal: No Solution Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,55 unequal: No Solution Moving to Node #0,4,4 Current State: 55:[36, 85], Operations: ['94-5=89', '89-4=85'] Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,55 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,55 unequal: No Solution Moving to Node #0,4,3 Current State: 55:[89, 40], Operations: ['94-5=89', '4+36=40'] Exploring Operation: 89+40=129, Resulting Numbers: [129] 129,55 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 89*40=3560, Resulting Numbers: [3560] 3560,55 unequal: No Solution Moving to Node #0,4,1 Current State: 55:[89, 32], Operations: ['94-5=89', '36-4=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,55 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,55 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 25, 29, 34, 66 ]
28
[ "29-25=4", "66-34=32", "32-4=28" ]
Current State: 28:[25, 29, 34, 66], Operations: [] Exploring Operation: 29-25=4, Resulting Numbers: [34, 66, 4] Generated Node #2: [34, 66, 4] from Operation: 29-25=4 Current State: 28:[34, 66, 4], Operations: ['29-25=4'] Exploring Operation: 66-34=32, Resulting Numbers: [4, 32] Generated Node #3: [4, 32] from Operation: 66-34=32 Current State: 28:[4, 32], Operations: ['29-25=4', '66-34=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[25, 29, 34, 66], Operations: [] Exploring Operation: 34-25=9, Resulting Numbers: [29, 66, 9] Generated Node #0,0: 28:[29, 66, 9] Operation: 34-25=9 Exploring Operation: 66-29=37, Resulting Numbers: [25, 34, 37] Generated Node #0,1: 28:[25, 34, 37] Operation: 66-29=37 Exploring Operation: 34-29=5, Resulting Numbers: [25, 66, 5] Generated Node #0,2: 28:[25, 66, 5] Operation: 34-29=5 Exploring Operation: 66-34=32, Resulting Numbers: [25, 29, 32] Generated Node #0,3: 28:[25, 29, 32] Operation: 66-34=32 Exploring Operation: 66-25=41, Resulting Numbers: [29, 34, 41] Generated Node #0,4: 28:[29, 34, 41] Operation: 66-25=41 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[25, 29, 32], Operations: ['66-34=32'] Exploring Operation: 29-25=4, Resulting Numbers: [32, 4] Generated Node #0,3,0: 28:[32, 4] Operation: 29-25=4 Exploring Operation: 32-25=7, Resulting Numbers: [29, 7] Generated Node #0,3,1: 28:[29, 7] Operation: 32-25=7 Exploring Operation: 32-29=3, Resulting Numbers: [25, 3] Generated Node #0,3,2: 28:[25, 3] Operation: 32-29=3 Exploring Operation: 25+29=54, Resulting Numbers: [32, 54] Generated Node #0,3,3: 28:[32, 54] Operation: 25+29=54 Exploring Operation: 25+32=57, Resulting Numbers: [29, 57] Generated Node #0,3,4: 28:[29, 57] Operation: 25+32=57 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 28:[29, 7], Operations: ['66-34=32', '32-25=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,28 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 #0,3,0 Current State: 28:[32, 4], Operations: ['66-34=32', '29-25=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[25, 29, 34, 66], Operations: [] Exploring Operation: 66-34=32, Resulting Numbers: [25, 29, 32] Generated Node #0,3: 28:[25, 29, 32] Operation: 66-34=32 Moving to Node #0,3 Current State: 28:[25, 29, 32], Operations: ['66-34=32'] Exploring Operation: 29-25=4, Resulting Numbers: [32, 4] Generated Node #0,3,0: 28:[32, 4] Operation: 29-25=4 Moving to Node #0,3,0 Current State: 28:[32, 4], Operations: ['66-34=32', '29-25=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 62, 18, 65, 78 ]
32
[ "65-62=3", "18+78=96", "96/3=32" ]
Current State: 32:[62, 18, 65, 78], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [18, 78, 3] Generated Node #2: [18, 78, 3] from Operation: 65-62=3 Current State: 32:[18, 78, 3], Operations: ['65-62=3'] Exploring Operation: 18+78=96, Resulting Numbers: [3, 96] Generated Node #3: [3, 96] from Operation: 18+78=96 Current State: 32:[3, 96], Operations: ['65-62=3', '18+78=96'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[62, 18, 65, 78], Operations: [] Exploring Operation: 78-62=16, Resulting Numbers: [18, 65, 16] Generated Node #0,0: 32:[18, 65, 16] Operation: 78-62=16 Exploring Operation: 65-62=3, Resulting Numbers: [18, 78, 3] Generated Node #0,1: 32:[18, 78, 3] Operation: 65-62=3 Exploring Operation: 78-65=13, Resulting Numbers: [62, 18, 13] Generated Node #0,2: 32:[62, 18, 13] Operation: 78-65=13 Moving to Node #0,0 Current State: 32:[18, 65, 16], Operations: ['78-62=16'] Exploring Operation: 65-16=49, Resulting Numbers: [18, 49] Generated Node #0,0,0: 32:[18, 49] Operation: 65-16=49 Exploring Operation: 18-16=2, Resulting Numbers: [65, 2] Generated Node #0,0,1: 32:[65, 2] Operation: 18-16=2 Exploring Operation: 65-18=47, Resulting Numbers: [16, 47] Generated Node #0,0,2: 32:[16, 47] Operation: 65-18=47 Moving to Node #0,2 Current State: 32:[62, 18, 13], Operations: ['78-65=13'] Exploring Operation: 18+13=31, Resulting Numbers: [62, 31] Generated Node #0,2,0: 32:[62, 31] Operation: 18+13=31 Exploring Operation: 62-13=49, Resulting Numbers: [18, 49] Generated Node #0,2,1: 32:[18, 49] Operation: 62-13=49 Exploring Operation: 62-18=44, Resulting Numbers: [13, 44] Generated Node #0,2,2: 32:[13, 44] Operation: 62-18=44 Moving to Node #0,1 Current State: 32:[18, 78, 3], Operations: ['65-62=3'] Exploring Operation: 78/3=26, Resulting Numbers: [18, 26] Generated Node #0,1,0: 32:[18, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [18, 75] Generated Node #0,1,1: 32:[18, 75] Operation: 78-3=75 Exploring Operation: 78-18=60, Resulting Numbers: [3, 60] Generated Node #0,1,2: 32:[3, 60] Operation: 78-18=60 Moving to Node #0,1,0 Current State: 32:[18, 26], Operations: ['65-62=3', '78/3=26'] Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,32 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[16, 47], Operations: ['78-62=16', '65-18=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,32 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[13, 44], Operations: ['78-65=13', '62-18=44'] Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,32 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[18, 49], Operations: ['78-65=13', '62-13=49'] Exploring Operation: 18*49=882, Resulting Numbers: [882] 882,32 unequal: No Solution Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,32 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[18, 49], Operations: ['78-62=16', '65-16=49'] Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,32 unequal: No Solution Exploring Operation: 18*49=882, Resulting Numbers: [882] 882,32 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[3, 60], Operations: ['65-62=3', '78-18=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[62, 31], Operations: ['78-65=13', '18+13=31'] Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[65, 2], Operations: ['78-62=16', '18-16=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,32 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[18, 75], Operations: ['65-62=3', '78-3=75'] Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,32 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,32 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 83, 5, 32, 56 ]
21
[ "83+56=139", "5*32=160", "160-139=21" ]
Current State: 21:[83, 5, 32, 56], Operations: [] Exploring Operation: 83+56=139, Resulting Numbers: [5, 32, 139] Generated Node #2: [5, 32, 139] from Operation: 83+56=139 Current State: 21:[5, 32, 139], Operations: ['83+56=139'] Exploring Operation: 5*32=160, Resulting Numbers: [139, 160] Generated Node #3: [139, 160] from Operation: 5*32=160 Current State: 21:[139, 160], Operations: ['83+56=139', '5*32=160'] Exploring Operation: 160-139=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[83, 5, 32, 56], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [83, 5, 24] Generated Node #0,0: 21:[83, 5, 24] Operation: 56-32=24 Exploring Operation: 83-56=27, Resulting Numbers: [5, 32, 27] Generated Node #0,1: 21:[5, 32, 27] Operation: 83-56=27 Exploring Operation: 83-32=51, Resulting Numbers: [5, 56, 51] Generated Node #0,2: 21:[5, 56, 51] Operation: 83-32=51 Exploring Operation: 83-5=78, Resulting Numbers: [32, 56, 78] Generated Node #0,3: 21:[32, 56, 78] Operation: 83-5=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[5, 32, 27], Operations: ['83-56=27'] Exploring Operation: 32-27=5, Resulting Numbers: [5, 5] Generated Node #0,1,0: 21:[5, 5] Operation: 32-27=5 Exploring Operation: 27-5=22, Resulting Numbers: [32, 22] Generated Node #0,1,1: 21:[32, 22] Operation: 27-5=22 Exploring Operation: 32-5=27, Resulting Numbers: [27, 27] Generated Node #0,1,2: 21:[27, 27] Operation: 32-5=27 Exploring Operation: 5+32=37, Resulting Numbers: [27, 37] Generated Node #0,1,3: 21:[27, 37] Operation: 5+32=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[5, 5], Operations: ['83-56=27', '32-27=5'] Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,21 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,21 unequal: No Solution No 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: 21:[32, 22], Operations: ['83-56=27', '27-5=22'] Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,21 unequal: No Solution Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,21 unequal: No Solution No 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: 21:[27, 27], Operations: ['83-56=27', '32-5=27'] Exploring Operation: 27*27=729, Resulting Numbers: [729] 729,21 unequal: No Solution Exploring Operation: 27/27=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 27-27=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 27+27=54, Resulting Numbers: [54] 54,21 unequal: No Solution No 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: 21:[27, 37], Operations: ['83-56=27', '5+32=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,21 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,21 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: 21:[83, 5, 24], Operations: ['56-32=24'] Exploring Operation: 83+5=88, Resulting Numbers: [24, 88] Generated Node #0,0,0: 21:[24, 88] Operation: 83+5=88 Exploring Operation: 24-5=19, Resulting Numbers: [83, 19] Generated Node #0,0,1: 21:[83, 19] Operation: 24-5=19 Exploring Operation: 83-24=59, Resulting Numbers: [5, 59] Generated Node #0,0,2: 21:[5, 59] Operation: 83-24=59 Exploring Operation: 83-5=78, Resulting Numbers: [24, 78] Generated Node #0,0,3: 21:[24, 78] Operation: 83-5=78 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[5, 59], Operations: ['56-32=24', '83-24=59'] Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,21 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,21 unequal: No Solution No 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: 21:[24, 78], Operations: ['56-32=24', '83-5=78'] Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,21 unequal: No Solution Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,21 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,21 unequal: No Solution No 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: 21:[83, 19], Operations: ['56-32=24', '24-5=19'] Exploring Operation: 83*19=1577, Resulting Numbers: [1577] 1577,21 unequal: No Solution Exploring Operation: 83-19=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 83+19=102, Resulting Numbers: [102] 102,21 unequal: No Solution No 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: 21:[24, 88], Operations: ['56-32=24', '83+5=88'] Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,21 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,21 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: 21:[5, 56, 51], Operations: ['83-32=51'] Exploring Operation: 56-51=5, Resulting Numbers: [5, 5] Generated Node #0,2,0: 21:[5, 5] Operation: 56-51=5 Exploring Operation: 56-5=51, Resulting Numbers: [51, 51] Generated Node #0,2,1: 21:[51, 51] Operation: 56-5=51 Exploring Operation: 5+56=61, Resulting Numbers: [51, 61] Generated Node #0,2,2: 21:[51, 61] Operation: 5+56=61 Exploring Operation: 51-5=46, Resulting Numbers: [56, 46] Generated Node #0,2,3: 21:[56, 46] Operation: 51-5=46 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[5, 5], Operations: ['83-32=51', '56-51=5'] Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,21 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,21 unequal: No Solution No 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: 21:[51, 51], Operations: ['83-32=51', '56-5=51'] Exploring Operation: 51-51=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 51*51=2601, Resulting Numbers: [2601] 2601,21 unequal: No Solution Exploring Operation: 51/51=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 51+51=102, Resulting Numbers: [102] 102,21 unequal: No Solution No 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: 21:[56, 46], Operations: ['83-32=51', '51-5=46'] Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,21 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,21 unequal: No Solution No 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: 21:[51, 61], Operations: ['83-32=51', '5+56=61'] Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 51*61=3111, Resulting Numbers: [3111] 3111,21 unequal: No Solution Exploring Operation: 51+61=112, Resulting Numbers: [112] 112,21 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: 21:[32, 56, 78], Operations: ['83-5=78'] Exploring Operation: 78-32=46, Resulting Numbers: [56, 46] Generated Node #0,3,0: 21:[56, 46] Operation: 78-32=46 Exploring Operation: 78-56=22, Resulting Numbers: [32, 22] Generated Node #0,3,1: 21:[32, 22] Operation: 78-56=22 Exploring Operation: 56-32=24, Resulting Numbers: [78, 24] Generated Node #0,3,2: 21:[78, 24] Operation: 56-32=24 Exploring Operation: 32+56=88, Resulting Numbers: [78, 88] Generated Node #0,3,3: 21:[78, 88] Operation: 32+56=88 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 21:[32, 22], Operations: ['83-5=78', '78-56=22'] Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,21 unequal: No Solution Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,21 unequal: No Solution No 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: 21:[56, 46], Operations: ['83-5=78', '78-32=46'] Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,21 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,21 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,21 unequal: No Solution No 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: 21:[78, 24], Operations: ['83-5=78', '56-32=24'] Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,21 unequal: No Solution Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,21 unequal: No Solution No 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: 21:[78, 88], Operations: ['83-5=78', '32+56=88'] Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,21 unequal: No Solution Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,21 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
[ 70, 26, 7, 23 ]
14
[ "70-26=44", "7+23=30", "44-30=14" ]
Current State: 14:[70, 26, 7, 23], Operations: [] Exploring Operation: 70-26=44, Resulting Numbers: [7, 23, 44] Generated Node #2: [7, 23, 44] from Operation: 70-26=44 Current State: 14:[7, 23, 44], Operations: ['70-26=44'] Exploring Operation: 7+23=30, Resulting Numbers: [44, 30] Generated Node #3: [44, 30] from Operation: 7+23=30 Current State: 14:[44, 30], Operations: ['70-26=44', '7+23=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[70, 26, 7, 23], Operations: [] Exploring Operation: 70-26=44, Resulting Numbers: [7, 23, 44] Generated Node #0,0: 14:[7, 23, 44] Operation: 70-26=44 Exploring Operation: 70/7=10, Resulting Numbers: [26, 23, 10] Generated Node #0,1: 14:[26, 23, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[26, 23, 10], Operations: ['70/7=10'] Exploring Operation: 26-10=16, Resulting Numbers: [23, 16] Generated Node #0,1,0: 14:[23, 16] Operation: 26-10=16 Exploring Operation: 26-23=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 14:[10, 3] Operation: 26-23=3 Moving to Node #0,1,1 Current State: 14:[10, 3], Operations: ['70/7=10', '26-23=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[23, 16], Operations: ['70/7=10', '26-10=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[7, 23, 44], Operations: ['70-26=44'] Exploring Operation: 44-23=21, Resulting Numbers: [7, 21] Generated Node #0,0,0: 14:[7, 21] Operation: 44-23=21 Exploring Operation: 23-7=16, Resulting Numbers: [44, 16] Generated Node #0,0,1: 14:[44, 16] Operation: 23-7=16 Moving to Node #0,0,0 Current State: 14:[7, 21], Operations: ['70-26=44', '44-23=21'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[70, 26, 7, 23], Operations: [] Exploring Operation: 70-26=44, Resulting Numbers: [7, 23, 44] Generated Node #0,0: 14:[7, 23, 44] Operation: 70-26=44 Moving to Node #0,0 Current State: 14:[7, 23, 44], Operations: ['70-26=44'] Exploring Operation: 44-23=21, Resulting Numbers: [7, 21] Generated Node #0,0,0: 14:[7, 21] Operation: 44-23=21 Moving to Node #0,0,0 Current State: 14:[7, 21], Operations: ['70-26=44', '44-23=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 88, 85, 17, 77 ]
20
[ "88-85=3", "77-17=60", "60/3=20" ]
Current State: 20:[88, 85, 17, 77], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [17, 77, 3] Generated Node #2: [17, 77, 3] from Operation: 88-85=3 Current State: 20:[17, 77, 3], Operations: ['88-85=3'] Exploring Operation: 77-17=60, Resulting Numbers: [3, 60] Generated Node #3: [3, 60] from Operation: 77-17=60 Current State: 20:[3, 60], Operations: ['88-85=3', '77-17=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[88, 85, 17, 77], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [88, 17, 8] Generated Node #0,0: 20:[88, 17, 8] Operation: 85-77=8 Exploring Operation: 85/17=5, Resulting Numbers: [88, 77, 5] Generated Node #0,1: 20:[88, 77, 5] Operation: 85/17=5 Exploring Operation: 88-17=71, Resulting Numbers: [85, 77, 71] Generated Node #0,2: 20:[85, 77, 71] Operation: 88-17=71 Exploring Operation: 88-85=3, Resulting Numbers: [17, 77, 3] Generated Node #0,3: 20:[17, 77, 3] Operation: 88-85=3 Exploring Operation: 88-77=11, Resulting Numbers: [85, 17, 11] Generated Node #0,4: 20:[85, 17, 11] Operation: 88-77=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[17, 77, 3], Operations: ['88-85=3'] Exploring Operation: 77+3=80, Resulting Numbers: [17, 80] Generated Node #0,3,0: 20:[17, 80] Operation: 77+3=80 Exploring Operation: 77-17=60, Resulting Numbers: [3, 60] Generated Node #0,3,1: 20:[3, 60] Operation: 77-17=60 Exploring Operation: 17-3=14, Resulting Numbers: [77, 14] Generated Node #0,3,2: 20:[77, 14] Operation: 17-3=14 Exploring Operation: 77-3=74, Resulting Numbers: [17, 74] Generated Node #0,3,3: 20:[17, 74] Operation: 77-3=74 Exploring Operation: 17+3=20, Resulting Numbers: [77, 20] Generated Node #0,3,4: 20:[77, 20] Operation: 17+3=20 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[3, 60], Operations: ['88-85=3', '77-17=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[88, 85, 17, 77], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [17, 77, 3] Generated Node #0,3: 20:[17, 77, 3] Operation: 88-85=3 Moving to Node #0,3 Current State: 20:[17, 77, 3], Operations: ['88-85=3'] Exploring Operation: 77-17=60, Resulting Numbers: [3, 60] Generated Node #0,3,1: 20:[3, 60] Operation: 77-17=60 Moving to Node #0,3,1 Current State: 20:[3, 60], Operations: ['88-85=3', '77-17=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 50, 7, 35, 84 ]
74
[ "50*7=350", "350/35=10", "84-10=74" ]
Current State: 74:[50, 7, 35, 84], Operations: [] Exploring Operation: 50*7=350, Resulting Numbers: [35, 84, 350] Generated Node #2: [35, 84, 350] from Operation: 50*7=350 Current State: 74:[35, 84, 350], Operations: ['50*7=350'] Exploring Operation: 350/35=10, Resulting Numbers: [84, 10] Generated Node #3: [84, 10] from Operation: 350/35=10 Current State: 74:[84, 10], Operations: ['50*7=350', '350/35=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[50, 7, 35, 84], Operations: [] Exploring Operation: 50-7=43, Resulting Numbers: [35, 84, 43] Generated Node #0,0: 74:[35, 84, 43] Operation: 50-7=43 Exploring Operation: 84-50=34, Resulting Numbers: [7, 35, 34] Generated Node #0,1: 74:[7, 35, 34] Operation: 84-50=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[7, 35, 34], Operations: ['84-50=34'] Exploring Operation: 7+34=41, Resulting Numbers: [35, 41] Generated Node #0,1,0: 74:[35, 41] Operation: 7+34=41 Exploring Operation: 35/7=5, Resulting Numbers: [34, 5] Generated Node #0,1,1: 74:[34, 5] Operation: 35/7=5 Moving to Node #0,1,0 Current State: 74:[35, 41], Operations: ['84-50=34', '7+34=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[34, 5], Operations: ['84-50=34', '35/7=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[35, 84, 43], Operations: ['50-7=43'] Exploring Operation: 84-43=41, Resulting Numbers: [35, 41] Generated Node #0,0,0: 74:[35, 41] Operation: 84-43=41 Exploring Operation: 35+43=78, Resulting Numbers: [84, 78] Generated Node #0,0,1: 74:[84, 78] Operation: 35+43=78 Moving to Node #0,0,0 Current State: 74:[35, 41], Operations: ['50-7=43', '84-43=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[84, 78], Operations: ['50-7=43', '35+43=78'] Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,74 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,74 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
[ 39, 14, 40, 3 ]
35
[ "39-14=25", "3*25=75", "75-40=35" ]
Current State: 35:[39, 14, 40, 3], Operations: [] Exploring Operation: 39-14=25, Resulting Numbers: [40, 3, 25] Generated Node #2: [40, 3, 25] from Operation: 39-14=25 Current State: 35:[40, 3, 25], Operations: ['39-14=25'] Exploring Operation: 3*25=75, Resulting Numbers: [40, 75] Generated Node #3: [40, 75] from Operation: 3*25=75 Current State: 35:[40, 75], Operations: ['39-14=25', '3*25=75'] Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[39, 14, 40, 3], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [39, 3, 26] Generated Node #0,0: 35:[39, 3, 26] Operation: 40-14=26 Exploring Operation: 40-39=1, Resulting Numbers: [14, 3, 1] Generated Node #0,1: 35:[14, 3, 1] Operation: 40-39=1 Exploring Operation: 39-3=36, Resulting Numbers: [14, 40, 36] Generated Node #0,2: 35:[14, 40, 36] Operation: 39-3=36 Exploring Operation: 40-3=37, Resulting Numbers: [39, 14, 37] Generated Node #0,3: 35:[39, 14, 37] Operation: 40-3=37 Exploring Operation: 14-3=11, Resulting Numbers: [39, 40, 11] Generated Node #0,4: 35:[39, 40, 11] Operation: 14-3=11 Moving to Node #0,1 Current State: 35:[14, 3, 1], Operations: ['40-39=1'] Exploring Operation: 3+1=4, Resulting Numbers: [14, 4] Generated Node #0,1,0: 35:[14, 4] Operation: 3+1=4 Exploring Operation: 14*1=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 35:[3, 14] Operation: 14*1=14 Exploring Operation: 14-3=11, Resulting Numbers: [1, 11] Generated Node #0,1,2: 35:[1, 11] Operation: 14-3=11 Exploring Operation: 14/1=14, Resulting Numbers: [3, 14] Generated Node #0,1,3: 35:[3, 14] Operation: 14/1=14 Exploring Operation: 14-1=13, Resulting Numbers: [3, 13] Generated Node #0,1,4: 35:[3, 13] Operation: 14-1=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[14, 4], Operations: ['40-39=1', '3+1=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[1, 11], Operations: ['40-39=1', '14-3=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 35:[3, 13], Operations: ['40-39=1', '14-1=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[3, 14], Operations: ['40-39=1', '14*1=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 35:[3, 14], Operations: ['40-39=1', '14/1=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 35:[39, 14, 37], Operations: ['40-3=37'] Exploring Operation: 39-14=25, Resulting Numbers: [37, 25] Generated Node #0,3,0: 35:[37, 25] Operation: 39-14=25 Exploring Operation: 39-37=2, Resulting Numbers: [14, 2] Generated Node #0,3,1: 35:[14, 2] Operation: 39-37=2 Exploring Operation: 37-14=23, Resulting Numbers: [39, 23] Generated Node #0,3,2: 35:[39, 23] Operation: 37-14=23 Exploring Operation: 39+14=53, Resulting Numbers: [37, 53] Generated Node #0,3,3: 35:[37, 53] Operation: 39+14=53 Exploring Operation: 14+37=51, Resulting Numbers: [39, 51] Generated Node #0,3,4: 35:[39, 51] Operation: 14+37=51 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[14, 2], Operations: ['40-3=37', '39-37=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[37, 25], Operations: ['40-3=37', '39-14=25'] Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,35 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 35:[39, 23], Operations: ['40-3=37', '37-14=23'] Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,35 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[37, 53], Operations: ['40-3=37', '39+14=53'] Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,35 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 35:[39, 51], Operations: ['40-3=37', '14+37=51'] Exploring Operation: 39+51=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 39*51=1989, Resulting Numbers: [1989] 1989,35 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,35 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: 35:[14, 40, 36], Operations: ['39-3=36'] Exploring Operation: 40-36=4, Resulting Numbers: [14, 4] Generated Node #0,2,0: 35:[14, 4] Operation: 40-36=4 Exploring Operation: 14+36=50, Resulting Numbers: [40, 50] Generated Node #0,2,1: 35:[40, 50] Operation: 14+36=50 Exploring Operation: 40-14=26, Resulting Numbers: [36, 26] Generated Node #0,2,2: 35:[36, 26] Operation: 40-14=26 Exploring Operation: 14+40=54, Resulting Numbers: [36, 54] Generated Node #0,2,3: 35:[36, 54] Operation: 14+40=54 Exploring Operation: 36-14=22, Resulting Numbers: [40, 22] Generated Node #0,2,4: 35:[40, 22] Operation: 36-14=22 Moving to Node #0,4 Current State: 35:[39, 40, 11], Operations: ['14-3=11'] Exploring Operation: 39+11=50, Resulting Numbers: [40, 50] Generated Node #0,4,0: 35:[40, 50] Operation: 39+11=50 Exploring Operation: 40-11=29, Resulting Numbers: [39, 29] Generated Node #0,4,1: 35:[39, 29] Operation: 40-11=29 Exploring Operation: 39-11=28, Resulting Numbers: [40, 28] Generated Node #0,4,2: 35:[40, 28] Operation: 39-11=28 Exploring Operation: 40-39=1, Resulting Numbers: [11, 1] Generated Node #0,4,3: 35:[11, 1] Operation: 40-39=1 Exploring Operation: 40+11=51, Resulting Numbers: [39, 51] Generated Node #0,4,4: 35:[39, 51] Operation: 40+11=51 Moving to Node #0,0 Current State: 35:[39, 3, 26], Operations: ['40-14=26'] Exploring Operation: 39/3=13, Resulting Numbers: [26, 13] Generated Node #0,0,0: 35:[26, 13] Operation: 39/3=13 Exploring Operation: 39-26=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 35:[3, 13] Operation: 39-26=13 Exploring Operation: 39+3=42, Resulting Numbers: [26, 42] Generated Node #0,0,2: 35:[26, 42] Operation: 39+3=42 Exploring Operation: 39-3=36, Resulting Numbers: [26, 36] Generated Node #0,0,3: 35:[26, 36] Operation: 39-3=36 Exploring Operation: 3+26=29, Resulting Numbers: [39, 29] Generated Node #0,0,4: 35:[39, 29] Operation: 3+26=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[3, 13], Operations: ['40-14=26', '39-26=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 35:[26, 36], Operations: ['40-14=26', '39-3=36'] Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,35 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 35:[39, 29], Operations: ['40-14=26', '3+26=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[26, 13], Operations: ['40-14=26', '39/3=13'] Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,35 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[26, 42], Operations: ['40-14=26', '39+3=42'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 35:[14, 4], Operations: ['39-3=36', '40-36=4'] Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[11, 1], Operations: ['14-3=11', '40-39=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[39, 29], Operations: ['14-3=11', '40-11=29'] Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,35 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[36, 26], Operations: ['39-3=36', '40-14=26'] Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,35 unequal: No Solution Moving to Node #0,4,2 Current State: 35:[40, 28], Operations: ['14-3=11', '39-11=28'] Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,35 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[40, 22], Operations: ['39-3=36', '36-14=22'] Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,35 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,4,0 Current State: 35:[40, 50], Operations: ['14-3=11', '39+11=50'] Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,35 unequal: No Solution Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[39, 51], Operations: ['14-3=11', '40+11=51'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 39*51=1989, Resulting Numbers: [1989] 1989,35 unequal: No Solution Exploring Operation: 39+51=90, Resulting Numbers: [90] 90,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[36, 54], Operations: ['39-3=36', '14+40=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[40, 50], Operations: ['39-3=36', '14+36=50'] Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,35 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,35 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 17, 12, 56, 42 ]
43
[ "17+12=29", "56-42=14", "29+14=43" ]
Current State: 43:[17, 12, 56, 42], Operations: [] Exploring Operation: 17+12=29, Resulting Numbers: [56, 42, 29] Generated Node #2: [56, 42, 29] from Operation: 17+12=29 Current State: 43:[56, 42, 29], Operations: ['17+12=29'] Exploring Operation: 56-42=14, Resulting Numbers: [29, 14] Generated Node #3: [29, 14] from Operation: 56-42=14 Current State: 43:[29, 14], Operations: ['17+12=29', '56-42=14'] Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[17, 12, 56, 42], Operations: [] Exploring Operation: 56-12=44, Resulting Numbers: [17, 42, 44] Generated Node #0,0: 43:[17, 42, 44] Operation: 56-12=44 Exploring Operation: 17+12=29, Resulting Numbers: [56, 42, 29] Generated Node #0,1: 43:[56, 42, 29] Operation: 17+12=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[17, 42, 44], Operations: ['56-12=44'] Exploring Operation: 17+42=59, Resulting Numbers: [44, 59] Generated Node #0,0,0: 43:[44, 59] Operation: 17+42=59 Exploring Operation: 44-17=27, Resulting Numbers: [42, 27] Generated Node #0,0,1: 43:[42, 27] Operation: 44-17=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[44, 59], Operations: ['56-12=44', '17+42=59'] Exploring Operation: 44+59=103, Resulting Numbers: [103] 103,43 unequal: No Solution Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[42, 27], Operations: ['56-12=44', '44-17=27'] Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 42+27=69, Resulting Numbers: [69] 69,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[56, 42, 29], Operations: ['17+12=29'] Exploring Operation: 56-29=27, Resulting Numbers: [42, 27] Generated Node #0,1,0: 43:[42, 27] Operation: 56-29=27 Exploring Operation: 42+29=71, Resulting Numbers: [56, 71] Generated Node #0,1,1: 43:[56, 71] Operation: 42+29=71 Moving to Node #0,1,0 Current State: 43:[42, 27], Operations: ['17+12=29', '56-29=27'] Exploring Operation: 42+27=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[56, 71], Operations: ['17+12=29', '42+29=71'] Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,43 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 6, 25, 28, 24 ]
94
[ "28-24=4", "25*4=100", "100-6=94" ]
Current State: 94:[6, 25, 28, 24], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [6, 25, 4] Generated Node #2: [6, 25, 4] from Operation: 28-24=4 Current State: 94:[6, 25, 4], Operations: ['28-24=4'] Exploring Operation: 25*4=100, Resulting Numbers: [6, 100] Generated Node #3: [6, 100] from Operation: 25*4=100 Current State: 94:[6, 100], Operations: ['28-24=4', '25*4=100'] Exploring Operation: 100-6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[6, 25, 28, 24], Operations: [] Exploring Operation: 25-24=1, Resulting Numbers: [6, 28, 1] Generated Node #0,0: 94:[6, 28, 1] Operation: 25-24=1 Moving to Node #0,0 Current State: 94:[6, 28, 1], Operations: ['25-24=1'] Exploring Operation: 6+28=34, Resulting Numbers: [1, 34] Generated Node #0,0,0: 94:[1, 34] Operation: 6+28=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[1, 34], Operations: ['25-24=1', '6+28=34'] Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,94 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
[ 56, 2, 95, 40 ]
38
[ "95-56=39", "2*39=78", "78-40=38" ]
Current State: 38:[56, 2, 95, 40], Operations: [] Exploring Operation: 95-56=39, Resulting Numbers: [2, 40, 39] Generated Node #2: [2, 40, 39] from Operation: 95-56=39 Current State: 38:[2, 40, 39], Operations: ['95-56=39'] Exploring Operation: 2*39=78, Resulting Numbers: [40, 78] Generated Node #3: [40, 78] from Operation: 2*39=78 Current State: 38:[40, 78], Operations: ['95-56=39', '2*39=78'] Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[56, 2, 95, 40], Operations: [] Exploring Operation: 56-2=54, Resulting Numbers: [95, 40, 54] Generated Node #0,0: 38:[95, 40, 54] Operation: 56-2=54 Exploring Operation: 56/2=28, Resulting Numbers: [95, 40, 28] Generated Node #0,1: 38:[95, 40, 28] Operation: 56/2=28 Exploring Operation: 95-56=39, Resulting Numbers: [2, 40, 39] Generated Node #0,2: 38:[2, 40, 39] Operation: 95-56=39 Exploring Operation: 56-40=16, Resulting Numbers: [2, 95, 16] Generated Node #0,3: 38:[2, 95, 16] Operation: 56-40=16 Exploring Operation: 95-40=55, Resulting Numbers: [56, 2, 55] Generated Node #0,4: 38:[56, 2, 55] Operation: 95-40=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[2, 40, 39], Operations: ['95-56=39'] Exploring Operation: 40-2=38, Resulting Numbers: [39, 38] Generated Node #0,2,0: 38:[39, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [39, 20] Generated Node #0,2,1: 38:[39, 20] Operation: 40/2=20 Exploring Operation: 2+40=42, Resulting Numbers: [39, 42] Generated Node #0,2,2: 38:[39, 42] Operation: 2+40=42 Exploring Operation: 39-2=37, Resulting Numbers: [40, 37] Generated Node #0,2,3: 38:[40, 37] Operation: 39-2=37 Exploring Operation: 40-39=1, Resulting Numbers: [2, 1] Generated Node #0,2,4: 38:[2, 1] Operation: 40-39=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[39, 38], Operations: ['95-56=39', '40-2=38'] Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,38 unequal: No Solution Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,38 unequal: No Solution No 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: 38:[2, 1], Operations: ['95-56=39', '40-39=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,38 unequal: No Solution No 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: 38:[39, 20], Operations: ['95-56=39', '40/2=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,38 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,38 unequal: No Solution No 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: 38:[40, 37], Operations: ['95-56=39', '39-2=37'] Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,38 unequal: No Solution No 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: 38:[39, 42], Operations: ['95-56=39', '2+40=42'] Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,38 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,38 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: 38:[56, 2, 55], Operations: ['95-40=55'] Exploring Operation: 56-2=54, Resulting Numbers: [55, 54] Generated Node #0,4,0: 38:[55, 54] Operation: 56-2=54 Exploring Operation: 55-2=53, Resulting Numbers: [56, 53] Generated Node #0,4,1: 38:[56, 53] Operation: 55-2=53 Exploring Operation: 56-55=1, Resulting Numbers: [2, 1] Generated Node #0,4,2: 38:[2, 1] Operation: 56-55=1 Exploring Operation: 56+2=58, Resulting Numbers: [55, 58] Generated Node #0,4,3: 38:[55, 58] Operation: 56+2=58 Exploring Operation: 56/2=28, Resulting Numbers: [55, 28] Generated Node #0,4,4: 38:[55, 28] Operation: 56/2=28 Moving to Node #0,4,2 Current State: 38:[2, 1], Operations: ['95-40=55', '56-55=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Moving to Node #0,4,4 Current State: 38:[55, 28], Operations: ['95-40=55', '56/2=28'] Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,38 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,38 unequal: No Solution Moving to Node #0,4,0 Current State: 38:[55, 54], Operations: ['95-40=55', '56-2=54'] Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,38 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,38 unequal: No Solution Moving to Node #0,4,1 Current State: 38:[56, 53], Operations: ['95-40=55', '55-2=53'] Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 56*53=2968, Resulting Numbers: [2968] 2968,38 unequal: No Solution Moving to Node #0,4,3 Current State: 38:[55, 58], Operations: ['95-40=55', '56+2=58'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 55*58=3190, Resulting Numbers: [3190] 3190,38 unequal: No Solution Exploring Operation: 55+58=113, Resulting Numbers: [113] 113,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[2, 95, 16], Operations: ['56-40=16'] Exploring Operation: 2+16=18, Resulting Numbers: [95, 18] Generated Node #0,3,0: 38:[95, 18] Operation: 2+16=18 Exploring Operation: 95-2=93, Resulting Numbers: [16, 93] Generated Node #0,3,1: 38:[16, 93] Operation: 95-2=93 Exploring Operation: 16-2=14, Resulting Numbers: [95, 14] Generated Node #0,3,2: 38:[95, 14] Operation: 16-2=14 Exploring Operation: 2+95=97, Resulting Numbers: [16, 97] Generated Node #0,3,3: 38:[16, 97] Operation: 2+95=97 Exploring Operation: 95-16=79, Resulting Numbers: [2, 79] Generated Node #0,3,4: 38:[2, 79] Operation: 95-16=79 Moving to Node #0,3,4 Current State: 38:[2, 79], Operations: ['56-40=16', '95-16=79'] Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[16, 93], Operations: ['56-40=16', '95-2=93'] Exploring Operation: 16+93=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 16*93=1488, Resulting Numbers: [1488] 1488,38 unequal: No Solution Exploring Operation: 93-16=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[95, 18], Operations: ['56-40=16', '2+16=18'] Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,38 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[95, 14], Operations: ['56-40=16', '16-2=14'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[16, 97], Operations: ['56-40=16', '2+95=97'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 16*97=1552, Resulting Numbers: [1552] 1552,38 unequal: No Solution Exploring Operation: 16+97=113, Resulting Numbers: [113] 113,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[95, 40, 28], Operations: ['56/2=28'] Exploring Operation: 40+28=68, Resulting Numbers: [95, 68] Generated Node #0,1,0: 38:[95, 68] Operation: 40+28=68 Exploring Operation: 40-28=12, Resulting Numbers: [95, 12] Generated Node #0,1,1: 38:[95, 12] Operation: 40-28=12 Exploring Operation: 95-40=55, Resulting Numbers: [28, 55] Generated Node #0,1,2: 38:[28, 55] Operation: 95-40=55 Exploring Operation: 95+28=123, Resulting Numbers: [40, 123] Generated Node #0,1,3: 38:[40, 123] Operation: 95+28=123 Exploring Operation: 95-28=67, Resulting Numbers: [40, 67] Generated Node #0,1,4: 38:[40, 67] Operation: 95-28=67 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[28, 55], Operations: ['56/2=28', '95-40=55'] Exploring Operation: 28*55=1540, Resulting Numbers: [1540] 1540,38 unequal: No Solution Exploring Operation: 28+55=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,38 unequal: No Solution No 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: 38:[40, 67], Operations: ['56/2=28', '95-28=67'] Exploring Operation: 40+67=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 40*67=2680, Resulting Numbers: [2680] 2680,38 unequal: No Solution No 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: 38:[95, 12], Operations: ['56/2=28', '40-28=12'] Exploring Operation: 95+12=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 95*12=1140, Resulting Numbers: [1140] 1140,38 unequal: No Solution Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,38 unequal: No Solution No 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: 38:[95, 68], Operations: ['56/2=28', '40+28=68'] Exploring Operation: 95+68=163, Resulting Numbers: [163] 163,38 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 95*68=6460, Resulting Numbers: [6460] 6460,38 unequal: No Solution No 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: 38:[40, 123], Operations: ['56/2=28', '95+28=123'] Exploring Operation: 40+123=163, Resulting Numbers: [163] 163,38 unequal: No Solution Exploring Operation: 40*123=4920, Resulting Numbers: [4920] 4920,38 unequal: No Solution Exploring Operation: 123-40=83, Resulting Numbers: [83] 83,38 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: 38:[95, 40, 54], Operations: ['56-2=54'] Exploring Operation: 95+40=135, Resulting Numbers: [54, 135] Generated Node #0,0,0: 38:[54, 135] Operation: 95+40=135 Exploring Operation: 95+54=149, Resulting Numbers: [40, 149] Generated Node #0,0,1: 38:[40, 149] Operation: 95+54=149 Exploring Operation: 95-54=41, Resulting Numbers: [40, 41] Generated Node #0,0,2: 38:[40, 41] Operation: 95-54=41 Exploring Operation: 54-40=14, Resulting Numbers: [95, 14] Generated Node #0,0,3: 38:[95, 14] Operation: 54-40=14 Exploring Operation: 95-40=55, Resulting Numbers: [54, 55] Generated Node #0,0,4: 38:[54, 55] Operation: 95-40=55 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 38:[40, 41], Operations: ['56-2=54', '95-54=41'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,38 unequal: No Solution No 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: 38:[54, 55], Operations: ['56-2=54', '95-40=55'] Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,38 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,38 unequal: No Solution No 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: 38:[95, 14], Operations: ['56-2=54', '54-40=14'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,38 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,38 unequal: No Solution No 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: 38:[54, 135], Operations: ['56-2=54', '95+40=135'] Exploring Operation: 135-54=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 54*135=7290, Resulting Numbers: [7290] 7290,38 unequal: No Solution Exploring Operation: 54+135=189, Resulting Numbers: [189] 189,38 unequal: No Solution No 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: 38:[40, 149], Operations: ['56-2=54', '95+54=149'] Exploring Operation: 149-40=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 40+149=189, Resulting Numbers: [189] 189,38 unequal: No Solution Exploring Operation: 40*149=5960, Resulting Numbers: [5960] 5960,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 39, 26, 33, 4 ]
18
[ "26*33=858", "858/39=22", "22-4=18" ]
Current State: 18:[39, 26, 33, 4], Operations: [] Exploring Operation: 26*33=858, Resulting Numbers: [39, 4, 858] Generated Node #2: [39, 4, 858] from Operation: 26*33=858 Current State: 18:[39, 4, 858], Operations: ['26*33=858'] Exploring Operation: 858/39=22, Resulting Numbers: [4, 22] Generated Node #3: [4, 22] from Operation: 858/39=22 Current State: 18:[4, 22], Operations: ['26*33=858', '858/39=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[39, 26, 33, 4], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [39, 4, 7] Generated Node #0,0: 18:[39, 4, 7] Operation: 33-26=7 Exploring Operation: 39-4=35, Resulting Numbers: [26, 33, 35] Generated Node #0,1: 18:[26, 33, 35] Operation: 39-4=35 Exploring Operation: 39-26=13, Resulting Numbers: [33, 4, 13] Generated Node #0,2: 18:[33, 4, 13] Operation: 39-26=13 Exploring Operation: 39-33=6, Resulting Numbers: [26, 4, 6] Generated Node #0,3: 18:[26, 4, 6] Operation: 39-33=6 Exploring Operation: 26-4=22, Resulting Numbers: [39, 33, 22] Generated Node #0,4: 18:[39, 33, 22] Operation: 26-4=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[26, 4, 6], Operations: ['39-33=6'] Exploring Operation: 6-4=2, Resulting Numbers: [26, 2] Generated Node #0,3,0: 18:[26, 2] Operation: 6-4=2 Exploring Operation: 26+4=30, Resulting Numbers: [6, 30] Generated Node #0,3,1: 18:[6, 30] Operation: 26+4=30 Exploring Operation: 4+6=10, Resulting Numbers: [26, 10] Generated Node #0,3,2: 18:[26, 10] Operation: 4+6=10 Exploring Operation: 26-4=22, Resulting Numbers: [6, 22] Generated Node #0,3,3: 18:[6, 22] Operation: 26-4=22 Exploring Operation: 26-6=20, Resulting Numbers: [4, 20] Generated Node #0,3,4: 18:[4, 20] Operation: 26-6=20 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 18:[4, 20], Operations: ['39-33=6', '26-6=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 18:[6, 22], Operations: ['39-33=6', '26-4=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,18 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 18:[26, 2], Operations: ['39-33=6', '6-4=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[26, 10], Operations: ['39-33=6', '4+6=10'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,18 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[6, 30], Operations: ['39-33=6', '26+4=30'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[33, 4, 13], Operations: ['39-26=13'] Exploring Operation: 13-4=9, Resulting Numbers: [33, 9] Generated Node #0,2,0: 18:[33, 9] Operation: 13-4=9 Exploring Operation: 33+4=37, Resulting Numbers: [13, 37] Generated Node #0,2,1: 18:[13, 37] Operation: 33+4=37 Exploring Operation: 4+13=17, Resulting Numbers: [33, 17] Generated Node #0,2,2: 18:[33, 17] Operation: 4+13=17 Exploring Operation: 33-13=20, Resulting Numbers: [4, 20] Generated Node #0,2,3: 18:[4, 20] Operation: 33-13=20 Exploring Operation: 33-4=29, Resulting Numbers: [13, 29] Generated Node #0,2,4: 18:[13, 29] Operation: 33-4=29 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 18:[4, 20], Operations: ['39-26=13', '33-13=20'] Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[33, 9], Operations: ['39-26=13', '13-4=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 18:[13, 29], Operations: ['39-26=13', '33-4=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[33, 17], Operations: ['39-26=13', '4+13=17'] Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,18 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[13, 37], Operations: ['39-26=13', '33+4=37'] Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 13*37=481, Resulting Numbers: [481] 481,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[39, 4, 7], Operations: ['33-26=7'] Exploring Operation: 39+4=43, Resulting Numbers: [7, 43] Generated Node #0,0,0: 18:[7, 43] Operation: 39+4=43 Exploring Operation: 7-4=3, Resulting Numbers: [39, 3] Generated Node #0,0,1: 18:[39, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [39, 11] Generated Node #0,0,2: 18:[39, 11] Operation: 4+7=11 Exploring Operation: 39-7=32, Resulting Numbers: [4, 32] Generated Node #0,0,3: 18:[4, 32] Operation: 39-7=32 Exploring Operation: 39-4=35, Resulting Numbers: [7, 35] Generated Node #0,0,4: 18:[7, 35] Operation: 39-4=35 Moving to Node #0,0,3 Current State: 18:[4, 32], Operations: ['33-26=7', '39-7=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,18 unequal: No Solution Moving to Node #0,0,4 Current State: 18:[7, 35], Operations: ['33-26=7', '39-4=35'] Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,18 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[39, 3], Operations: ['33-26=7', '7-4=3'] Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,18 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[39, 11], Operations: ['33-26=7', '4+7=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[7, 43], Operations: ['33-26=7', '39+4=43'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,18 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,18 unequal: No Solution No 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: 18:[26, 33, 35], Operations: ['39-4=35'] Exploring Operation: 33-26=7, Resulting Numbers: [35, 7] Generated Node #0,1,0: 18:[35, 7] Operation: 33-26=7 Exploring Operation: 26+33=59, Resulting Numbers: [35, 59] Generated Node #0,1,1: 18:[35, 59] Operation: 26+33=59 Exploring Operation: 35-26=9, Resulting Numbers: [33, 9] Generated Node #0,1,2: 18:[33, 9] Operation: 35-26=9 Exploring Operation: 35-33=2, Resulting Numbers: [26, 2] Generated Node #0,1,3: 18:[26, 2] Operation: 35-33=2 Exploring Operation: 26+35=61, Resulting Numbers: [33, 61] Generated Node #0,1,4: 18:[33, 61] Operation: 26+35=61 Moving to Node #0,1,3 Current State: 18:[26, 2], Operations: ['39-4=35', '35-33=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[33, 9], Operations: ['39-4=35', '35-26=9'] Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[35, 7], Operations: ['39-4=35', '33-26=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,18 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[35, 59], Operations: ['39-4=35', '26+33=59'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 35*59=2065, Resulting Numbers: [2065] 2065,18 unequal: No Solution Exploring Operation: 35+59=94, Resulting Numbers: [94] 94,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[33, 61], Operations: ['39-4=35', '26+35=61'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,18 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,18 unequal: No Solution No 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: 18:[39, 33, 22], Operations: ['26-4=22'] Exploring Operation: 39-33=6, Resulting Numbers: [22, 6] Generated Node #0,4,0: 18:[22, 6] Operation: 39-33=6 Exploring Operation: 33-22=11, Resulting Numbers: [39, 11] Generated Node #0,4,1: 18:[39, 11] Operation: 33-22=11 Exploring Operation: 39+22=61, Resulting Numbers: [33, 61] Generated Node #0,4,2: 18:[33, 61] Operation: 39+22=61 Exploring Operation: 39+33=72, Resulting Numbers: [22, 72] Generated Node #0,4,3: 18:[22, 72] Operation: 39+33=72 Exploring Operation: 39-22=17, Resulting Numbers: [33, 17] Generated Node #0,4,4: 18:[33, 17] Operation: 39-22=17 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 18:[22, 6], Operations: ['26-4=22', '39-33=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,18 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 18:[33, 17], Operations: ['26-4=22', '39-22=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 18:[39, 11], Operations: ['26-4=22', '33-22=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 18:[33, 61], Operations: ['26-4=22', '39+22=61'] Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,18 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 18:[22, 72], Operations: ['26-4=22', '39+33=72'] Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,18 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 4, 63, 15, 61 ]
63
[ "4*15=60", "61-60=1", "63*1=63" ]
Current State: 63:[4, 63, 15, 61], Operations: [] Exploring Operation: 4*15=60, Resulting Numbers: [63, 61, 60] Generated Node #2: [63, 61, 60] from Operation: 4*15=60 Current State: 63:[63, 61, 60], Operations: ['4*15=60'] Exploring Operation: 61-60=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 61-60=1 Current State: 63:[63, 1], Operations: ['4*15=60', '61-60=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[4, 63, 15, 61], Operations: [] Exploring Operation: 15-4=11, Resulting Numbers: [63, 61, 11] Generated Node #0,0: 63:[63, 61, 11] Operation: 15-4=11 Exploring Operation: 4+61=65, Resulting Numbers: [63, 15, 65] Generated Node #0,1: 63:[63, 15, 65] Operation: 4+61=65 Exploring Operation: 4*15=60, Resulting Numbers: [63, 61, 60] Generated Node #0,2: 63:[63, 61, 60] Operation: 4*15=60 Exploring Operation: 4+15=19, Resulting Numbers: [63, 61, 19] Generated Node #0,3: 63:[63, 61, 19] Operation: 4+15=19 Moving to Node #0,0 Current State: 63:[63, 61, 11], Operations: ['15-4=11'] Exploring Operation: 63+11=74, Resulting Numbers: [61, 74] Generated Node #0,0,0: 63:[61, 74] Operation: 63+11=74 Exploring Operation: 63-11=52, Resulting Numbers: [61, 52] Generated Node #0,0,1: 63:[61, 52] Operation: 63-11=52 Exploring Operation: 63-61=2, Resulting Numbers: [11, 2] Generated Node #0,0,2: 63:[11, 2] Operation: 63-61=2 Exploring Operation: 61+11=72, Resulting Numbers: [63, 72] Generated Node #0,0,3: 63:[63, 72] Operation: 61+11=72 Moving to Node #0,3 Current State: 63:[63, 61, 19], Operations: ['4+15=19'] Exploring Operation: 63-61=2, Resulting Numbers: [19, 2] Generated Node #0,3,0: 63:[19, 2] Operation: 63-61=2 Exploring Operation: 61+19=80, Resulting Numbers: [63, 80] Generated Node #0,3,1: 63:[63, 80] Operation: 61+19=80 Exploring Operation: 63+19=82, Resulting Numbers: [61, 82] Generated Node #0,3,2: 63:[61, 82] Operation: 63+19=82 Exploring Operation: 63-19=44, Resulting Numbers: [61, 44] Generated Node #0,3,3: 63:[61, 44] Operation: 63-19=44 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[19, 2], Operations: ['4+15=19', '63-61=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,63 unequal: No Solution No 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: 63:[63, 80], Operations: ['4+15=19', '61+19=80'] Exploring Operation: 63+80=143, Resulting Numbers: [143] 143,63 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 63*80=5040, Resulting Numbers: [5040] 5040,63 unequal: No Solution No 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: 63:[61, 82], Operations: ['4+15=19', '63+19=82'] Exploring Operation: 61*82=5002, Resulting Numbers: [5002] 5002,63 unequal: No Solution Exploring Operation: 61+82=143, Resulting Numbers: [143] 143,63 unequal: No Solution Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,63 unequal: No Solution No 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: 63:[61, 44], Operations: ['4+15=19', '63-19=44'] Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,63 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,63 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,63 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: 63:[63, 61, 60], Operations: ['4*15=60'] Exploring Operation: 61+60=121, Resulting Numbers: [63, 121] Generated Node #0,2,0: 63:[63, 121] Operation: 61+60=121 Exploring Operation: 63-61=2, Resulting Numbers: [60, 2] Generated Node #0,2,1: 63:[60, 2] Operation: 63-61=2 Exploring Operation: 61-60=1, Resulting Numbers: [63, 1] Generated Node #0,2,2: 63:[63, 1] Operation: 61-60=1 Exploring Operation: 63-60=3, Resulting Numbers: [61, 3] Generated Node #0,2,3: 63:[61, 3] Operation: 63-60=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[63, 1], Operations: ['4*15=60', '61-60=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[4, 63, 15, 61], Operations: [] Exploring Operation: 4*15=60, Resulting Numbers: [63, 61, 60] Generated Node #0,2: 63:[63, 61, 60] Operation: 4*15=60 Moving to Node #0,2 Current State: 63:[63, 61, 60], Operations: ['4*15=60'] Exploring Operation: 61-60=1, Resulting Numbers: [63, 1] Generated Node #0,2,2: 63:[63, 1] Operation: 61-60=1 Moving to Node #0,2,2 Current State: 63:[63, 1], Operations: ['4*15=60', '61-60=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 3, 33, 54, 16 ]
35
[ "54/3=18", "33-16=17", "18+17=35" ]
Current State: 35:[3, 33, 54, 16], Operations: [] Exploring Operation: 54/3=18, Resulting Numbers: [33, 16, 18] Generated Node #2: [33, 16, 18] from Operation: 54/3=18 Current State: 35:[33, 16, 18], Operations: ['54/3=18'] Exploring Operation: 33-16=17, Resulting Numbers: [18, 17] Generated Node #3: [18, 17] from Operation: 33-16=17 Current State: 35:[18, 17], Operations: ['54/3=18', '33-16=17'] Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[3, 33, 54, 16], Operations: [] Exploring Operation: 54-16=38, Resulting Numbers: [3, 33, 38] Generated Node #0,0: 35:[3, 33, 38] Operation: 54-16=38 Exploring Operation: 54/3=18, Resulting Numbers: [33, 16, 18] Generated Node #0,1: 35:[33, 16, 18] Operation: 54/3=18 Moving to Node #0,0 Current State: 35:[3, 33, 38], Operations: ['54-16=38'] Exploring Operation: 38-3=35, Resulting Numbers: [33, 35] Generated Node #0,0,0: 35:[33, 35] Operation: 38-3=35 Exploring Operation: 38-33=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 35:[3, 5] Operation: 38-33=5 Moving to Node #0,1 Current State: 35:[33, 16, 18], Operations: ['54/3=18'] Exploring Operation: 18-16=2, Resulting Numbers: [33, 2] Generated Node #0,1,0: 35:[33, 2] Operation: 18-16=2 Exploring Operation: 16+18=34, Resulting Numbers: [33, 34] Generated Node #0,1,1: 35:[33, 34] Operation: 16+18=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[33, 34], Operations: ['54/3=18', '16+18=34'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[33, 2], Operations: ['54/3=18', '18-16=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[3, 33, 54, 16], Operations: [] Exploring Operation: 54/3=18, Resulting Numbers: [33, 16, 18] Generated Node #0,1: 35:[33, 16, 18] Operation: 54/3=18 Moving to Node #0,1 Current State: 35:[33, 16, 18], Operations: ['54/3=18'] Exploring Operation: 18-16=2, Resulting Numbers: [33, 2] Generated Node #0,1,0: 35:[33, 2] Operation: 18-16=2 Moving to Node #0,1,0 Current State: 35:[33, 2], Operations: ['54/3=18', '18-16=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 19, 83, 75, 94 ]
45
[ "83-19=64", "94-75=19", "64-19=45" ]
Current State: 45:[19, 83, 75, 94], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [75, 94, 64] Generated Node #2: [75, 94, 64] from Operation: 83-19=64 Current State: 45:[75, 94, 64], Operations: ['83-19=64'] Exploring Operation: 94-75=19, Resulting Numbers: [64, 19] Generated Node #3: [64, 19] from Operation: 94-75=19 Current State: 45:[64, 19], Operations: ['83-19=64', '94-75=19'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[19, 83, 75, 94], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [75, 94, 64] Generated Node #0,0: 45:[75, 94, 64] Operation: 83-19=64 Exploring Operation: 83-75=8, Resulting Numbers: [19, 94, 8] Generated Node #0,1: 45:[19, 94, 8] Operation: 83-75=8 Exploring Operation: 94-75=19, Resulting Numbers: [19, 83, 19] Generated Node #0,2: 45:[19, 83, 19] Operation: 94-75=19 Exploring Operation: 94-83=11, Resulting Numbers: [19, 75, 11] Generated Node #0,3: 45:[19, 75, 11] Operation: 94-83=11 Moving to Node #0,3 Current State: 45:[19, 75, 11], Operations: ['94-83=11'] Exploring Operation: 75-11=64, Resulting Numbers: [19, 64] Generated Node #0,3,0: 45:[19, 64] Operation: 75-11=64 Exploring Operation: 19+11=30, Resulting Numbers: [75, 30] Generated Node #0,3,1: 45:[75, 30] Operation: 19+11=30 Exploring Operation: 19-11=8, Resulting Numbers: [75, 8] Generated Node #0,3,2: 45:[75, 8] Operation: 19-11=8 Exploring Operation: 75-19=56, Resulting Numbers: [11, 56] Generated Node #0,3,3: 45:[11, 56] Operation: 75-19=56 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[11, 56], Operations: ['94-83=11', '75-19=56'] Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,45 unequal: No Solution Exploring Operation: 11*56=616, Resulting Numbers: [616] 616,45 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[19, 83, 75, 94], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [19, 75, 11] Generated Node #0,3: 45:[19, 75, 11] Operation: 94-83=11 Moving to Node #0,3 Current State: 45:[19, 75, 11], Operations: ['94-83=11'] Exploring Operation: 75-19=56, Resulting Numbers: [11, 56] Generated Node #0,3,3: 45:[11, 56] Operation: 75-19=56 Moving to Node #0,3,3 Current State: 45:[11, 56], Operations: ['94-83=11', '75-19=56'] Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 67, 50, 14, 83 ]
11
[ "67+83=150", "150/50=3", "14-3=11" ]
Current State: 11:[67, 50, 14, 83], Operations: [] Exploring Operation: 67+83=150, Resulting Numbers: [50, 14, 150] Generated Node #2: [50, 14, 150] from Operation: 67+83=150 Current State: 11:[50, 14, 150], Operations: ['67+83=150'] Exploring Operation: 150/50=3, Resulting Numbers: [14, 3] Generated Node #3: [14, 3] from Operation: 150/50=3 Current State: 11:[14, 3], Operations: ['67+83=150', '150/50=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[67, 50, 14, 83], Operations: [] Exploring Operation: 83-67=16, Resulting Numbers: [50, 14, 16] Generated Node #0,0: 11:[50, 14, 16] Operation: 83-67=16 Exploring Operation: 67-50=17, Resulting Numbers: [14, 83, 17] Generated Node #0,1: 11:[14, 83, 17] Operation: 67-50=17 Exploring Operation: 83-50=33, Resulting Numbers: [67, 14, 33] Generated Node #0,2: 11:[67, 14, 33] Operation: 83-50=33 Moving to Node #0,0 Current State: 11:[50, 14, 16], Operations: ['83-67=16'] Exploring Operation: 50-14=36, Resulting Numbers: [16, 36] Generated Node #0,0,0: 11:[16, 36] Operation: 50-14=36 Exploring Operation: 50-16=34, Resulting Numbers: [14, 34] Generated Node #0,0,1: 11:[14, 34] Operation: 50-16=34 Exploring Operation: 16-14=2, Resulting Numbers: [50, 2] Generated Node #0,0,2: 11:[50, 2] Operation: 16-14=2 Moving to Node #0,1 Current State: 11:[14, 83, 17], Operations: ['67-50=17'] Exploring Operation: 83-14=69, Resulting Numbers: [17, 69] Generated Node #0,1,0: 11:[17, 69] Operation: 83-14=69 Exploring Operation: 83-17=66, Resulting Numbers: [14, 66] Generated Node #0,1,1: 11:[14, 66] Operation: 83-17=66 Exploring Operation: 17-14=3, Resulting Numbers: [83, 3] Generated Node #0,1,2: 11:[83, 3] Operation: 17-14=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[14, 66], Operations: ['67-50=17', '83-17=66'] Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,11 unequal: No Solution Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[17, 69], Operations: ['67-50=17', '83-14=69'] Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,11 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,11 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[83, 3], Operations: ['67-50=17', '17-14=3'] Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,11 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,11 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 11:[67, 14, 33], Operations: ['83-50=33'] Exploring Operation: 33-14=19, Resulting Numbers: [67, 19] Generated Node #0,2,0: 11:[67, 19] Operation: 33-14=19 Exploring Operation: 67-33=34, Resulting Numbers: [14, 34] Generated Node #0,2,1: 11:[14, 34] Operation: 67-33=34 Exploring Operation: 67-14=53, Resulting Numbers: [33, 53] Generated Node #0,2,2: 11:[33, 53] Operation: 67-14=53 Moving to Node #0,0,1 Current State: 11:[14, 34], Operations: ['83-67=16', '50-16=34'] Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,11 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[14, 34], Operations: ['83-50=33', '67-33=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,11 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[16, 36], Operations: ['83-67=16', '50-14=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,11 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[50, 2], Operations: ['83-67=16', '16-14=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,11 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[33, 53], Operations: ['83-50=33', '67-14=53'] Exploring Operation: 33*53=1749, Resulting Numbers: [1749] 1749,11 unequal: No Solution Exploring Operation: 33+53=86, Resulting Numbers: [86] 86,11 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[67, 19], Operations: ['83-50=33', '33-14=19'] Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,11 unequal: No Solution Exploring Operation: 67*19=1273, Resulting Numbers: [1273] 1273,11 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 56, 68, 66, 36 ]
46
[ "56+36=92", "68-66=2", "92/2=46" ]
Current State: 46:[56, 68, 66, 36], Operations: [] Exploring Operation: 56+36=92, Resulting Numbers: [68, 66, 92] Generated Node #2: [68, 66, 92] from Operation: 56+36=92 Current State: 46:[68, 66, 92], Operations: ['56+36=92'] Exploring Operation: 68-66=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 68-66=2 Current State: 46:[92, 2], Operations: ['56+36=92', '68-66=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[56, 68, 66, 36], Operations: [] Exploring Operation: 68-56=12, Resulting Numbers: [66, 36, 12] Generated Node #0,0: 46:[66, 36, 12] Operation: 68-56=12 Exploring Operation: 66-36=30, Resulting Numbers: [56, 68, 30] Generated Node #0,1: 46:[56, 68, 30] Operation: 66-36=30 Exploring Operation: 68-66=2, Resulting Numbers: [56, 36, 2] Generated Node #0,2: 46:[56, 36, 2] Operation: 68-66=2 Exploring Operation: 68-36=32, Resulting Numbers: [56, 66, 32] Generated Node #0,3: 46:[56, 66, 32] Operation: 68-36=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[56, 36, 2], Operations: ['68-66=2'] Exploring Operation: 36/2=18, Resulting Numbers: [56, 18] Generated Node #0,2,0: 46:[56, 18] Operation: 36/2=18 Exploring Operation: 56-2=54, Resulting Numbers: [36, 54] Generated Node #0,2,1: 46:[36, 54] Operation: 56-2=54 Exploring Operation: 56-36=20, Resulting Numbers: [2, 20] Generated Node #0,2,2: 46:[2, 20] Operation: 56-36=20 Exploring Operation: 56/2=28, Resulting Numbers: [36, 28] Generated Node #0,2,3: 46:[36, 28] Operation: 56/2=28 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[2, 20], Operations: ['68-66=2', '56-36=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,46 unequal: No Solution No 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: 46:[56, 18], Operations: ['68-66=2', '36/2=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,46 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,46 unequal: No Solution No 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: 46:[36, 28], Operations: ['68-66=2', '56/2=28'] Exploring Operation: 36*28=1008, Resulting Numbers: [1008] 1008,46 unequal: No Solution Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,46 unequal: No Solution No 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: 46:[36, 54], Operations: ['68-66=2', '56-2=54'] Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,46 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,46 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: 46:[56, 68, 30], Operations: ['66-36=30'] Exploring Operation: 56+30=86, Resulting Numbers: [68, 86] Generated Node #0,1,0: 46:[68, 86] Operation: 56+30=86 Exploring Operation: 56-30=26, Resulting Numbers: [68, 26] Generated Node #0,1,1: 46:[68, 26] Operation: 56-30=26 Exploring Operation: 68-30=38, Resulting Numbers: [56, 38] Generated Node #0,1,2: 46:[56, 38] Operation: 68-30=38 Exploring Operation: 68-56=12, Resulting Numbers: [30, 12] Generated Node #0,1,3: 46:[30, 12] Operation: 68-56=12 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[30, 12], Operations: ['66-36=30', '68-56=12'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,46 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,46 unequal: No Solution No 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: 46:[56, 38], Operations: ['66-36=30', '68-30=38'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 56*38=2128, Resulting Numbers: [2128] 2128,46 unequal: No Solution No 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: 46:[68, 26], Operations: ['66-36=30', '56-30=26'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,46 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,46 unequal: No Solution No 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: 46:[68, 86], Operations: ['66-36=30', '56+30=86'] Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 68+86=154, Resulting Numbers: [154] 154,46 unequal: No Solution Exploring Operation: 68*86=5848, Resulting Numbers: [5848] 5848,46 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: 46:[56, 66, 32], Operations: ['68-36=32'] Exploring Operation: 66-56=10, Resulting Numbers: [32, 10] Generated Node #0,3,0: 46:[32, 10] Operation: 66-56=10 Exploring Operation: 66-32=34, Resulting Numbers: [56, 34] Generated Node #0,3,1: 46:[56, 34] Operation: 66-32=34 Exploring Operation: 56-32=24, Resulting Numbers: [66, 24] Generated Node #0,3,2: 46:[66, 24] Operation: 56-32=24 Exploring Operation: 56+32=88, Resulting Numbers: [66, 88] Generated Node #0,3,3: 46:[66, 88] Operation: 56+32=88 Moving to Node #0,3,0 Current State: 46:[32, 10], Operations: ['68-36=32', '66-56=10'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,46 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[66, 24], Operations: ['68-36=32', '56-32=24'] Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,46 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[56, 34], Operations: ['68-36=32', '66-32=34'] Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[66, 88], Operations: ['68-36=32', '56+32=88'] Exploring Operation: 88-66=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 66*88=5808, Resulting Numbers: [5808] 5808,46 unequal: No Solution Exploring Operation: 66+88=154, Resulting Numbers: [154] 154,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[66, 36, 12], Operations: ['68-56=12'] Exploring Operation: 36/12=3, Resulting Numbers: [66, 3] Generated Node #0,0,0: 46:[66, 3] Operation: 36/12=3 Exploring Operation: 66-36=30, Resulting Numbers: [12, 30] Generated Node #0,0,1: 46:[12, 30] Operation: 66-36=30 Exploring Operation: 36-12=24, Resulting Numbers: [66, 24] Generated Node #0,0,2: 46:[66, 24] Operation: 36-12=24 Exploring Operation: 66-12=54, Resulting Numbers: [36, 54] Generated Node #0,0,3: 46:[36, 54] Operation: 66-12=54 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[12, 30], Operations: ['68-56=12', '66-36=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,46 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,46 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,46 unequal: No Solution No 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: 46:[36, 54], Operations: ['68-56=12', '66-12=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,46 unequal: No Solution No 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: 46:[66, 3], Operations: ['68-56=12', '36/12=3'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,46 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,46 unequal: No Solution No 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: 46:[66, 24], Operations: ['68-56=12', '36-12=24'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,46 unequal: No Solution Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,46 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
[ 93, 41, 73, 11 ]
72
[ "93+41=134", "73-11=62", "134-62=72" ]
Current State: 72:[93, 41, 73, 11], Operations: [] Exploring Operation: 93+41=134, Resulting Numbers: [73, 11, 134] Generated Node #2: [73, 11, 134] from Operation: 93+41=134 Current State: 72:[73, 11, 134], Operations: ['93+41=134'] Exploring Operation: 73-11=62, Resulting Numbers: [134, 62] Generated Node #3: [134, 62] from Operation: 73-11=62 Current State: 72:[134, 62], Operations: ['93+41=134', '73-11=62'] Exploring Operation: 134-62=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[93, 41, 73, 11], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [41, 11, 20] Generated Node #0,0: 72:[41, 11, 20] Operation: 93-73=20 Exploring Operation: 93-11=82, Resulting Numbers: [41, 73, 82] Generated Node #0,1: 72:[41, 73, 82] Operation: 93-11=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[41, 11, 20], Operations: ['93-73=20'] Exploring Operation: 41-20=21, Resulting Numbers: [11, 21] Generated Node #0,0,0: 72:[11, 21] Operation: 41-20=21 Exploring Operation: 20-11=9, Resulting Numbers: [41, 9] Generated Node #0,0,1: 72:[41, 9] Operation: 20-11=9 Moving to Node #0,0,0 Current State: 72:[11, 21], Operations: ['93-73=20', '41-20=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,72 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[41, 9], Operations: ['93-73=20', '20-11=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[41, 73, 82], Operations: ['93-11=82'] Exploring Operation: 82/41=2, Resulting Numbers: [73, 2] Generated Node #0,1,0: 72:[73, 2] Operation: 82/41=2 Exploring Operation: 82-73=9, Resulting Numbers: [41, 9] Generated Node #0,1,1: 72:[41, 9] Operation: 82-73=9 Moving to Node #0,1,0 Current State: 72:[73, 2], Operations: ['93-11=82', '82/41=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[41, 9], Operations: ['93-11=82', '82-73=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 38, 78, 2, 18 ]
56
[ "78-38=40", "18-2=16", "40+16=56" ]
Current State: 56:[38, 78, 2, 18], Operations: [] Exploring Operation: 78-38=40, Resulting Numbers: [2, 18, 40] Generated Node #2: [2, 18, 40] from Operation: 78-38=40 Current State: 56:[2, 18, 40], Operations: ['78-38=40'] Exploring Operation: 18-2=16, Resulting Numbers: [40, 16] Generated Node #3: [40, 16] from Operation: 18-2=16 Current State: 56:[40, 16], Operations: ['78-38=40', '18-2=16'] Exploring Operation: 40+16=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[38, 78, 2, 18], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [38, 2, 60] Generated Node #0,0: 56:[38, 2, 60] Operation: 78-18=60 Exploring Operation: 78-38=40, Resulting Numbers: [2, 18, 40] Generated Node #0,1: 56:[2, 18, 40] Operation: 78-38=40 Moving to Node #0,0 Current State: 56:[38, 2, 60], Operations: ['78-18=60'] Exploring Operation: 60-38=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 56:[2, 22] Operation: 60-38=22 Exploring Operation: 38/2=19, Resulting Numbers: [60, 19] Generated Node #0,0,1: 56:[60, 19] Operation: 38/2=19 Moving to Node #0,1 Current State: 56:[2, 18, 40], Operations: ['78-38=40'] Exploring Operation: 18+40=58, Resulting Numbers: [2, 58] Generated Node #0,1,0: 56:[2, 58] Operation: 18+40=58 Exploring Operation: 40-18=22, Resulting Numbers: [2, 22] Generated Node #0,1,1: 56:[2, 22] Operation: 40-18=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[2, 58], Operations: ['78-38=40', '18+40=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[38, 78, 2, 18], Operations: [] Exploring Operation: 78-38=40, Resulting Numbers: [2, 18, 40] Generated Node #0,1: 56:[2, 18, 40] Operation: 78-38=40 Moving to Node #0,1 Current State: 56:[2, 18, 40], Operations: ['78-38=40'] Exploring Operation: 18+40=58, Resulting Numbers: [2, 58] Generated Node #0,1,0: 56:[2, 58] Operation: 18+40=58 Moving to Node #0,1,0 Current State: 56:[2, 58], Operations: ['78-38=40', '18+40=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 96, 9, 96, 83 ]
92
[ "96+9=105", "96-83=13", "105-13=92" ]
Current State: 92:[96, 9, 96, 83], Operations: [] Exploring Operation: 96+9=105, Resulting Numbers: [83, 105] Generated Node #2: [83, 105] from Operation: 96+9=105 Current State: 92:[83, 105], Operations: ['96+9=105'] Exploring Operation: 96-83=13, Resulting Numbers: [105, 13] Generated Node #3: [105, 13] from Operation: 96-83=13 Current State: 92:[105, 13], Operations: ['96+9=105', '96-83=13'] Exploring Operation: 105-13=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[96, 9, 96, 83], Operations: [] Exploring Operation: 9+83=92, Resulting Numbers: [96, 96, 92] Generated Node #0,0: 92:[96, 96, 92] Operation: 9+83=92 Exploring Operation: 96-9=87, Resulting Numbers: [96, 83, 87] Generated Node #0,1: 92:[96, 83, 87] Operation: 96-9=87 Exploring Operation: 96-96=0, Resulting Numbers: [9, 83, 0] Generated Node #0,2: 92:[9, 83, 0] Operation: 96-96=0 Exploring Operation: 96/96=1, Resulting Numbers: [9, 83, 1] Generated Node #0,3: 92:[9, 83, 1] Operation: 96/96=1 Moving to Node #0,0 Current State: 92:[96, 96, 92], Operations: ['9+83=92'] Exploring Operation: 96/96=1, Resulting Numbers: [92, 1] Generated Node #0,0,0: 92:[92, 1] Operation: 96/96=1 Exploring Operation: 96-92=4, Resulting Numbers: [96, 4] Generated Node #0,0,1: 92:[96, 4] Operation: 96-92=4 Exploring Operation: 96-96=0, Resulting Numbers: [92, 0] Generated Node #0,0,2: 92:[92, 0] Operation: 96-96=0 Exploring Operation: 96-92=4, Resulting Numbers: [96, 4] Generated Node #0,0,3: 92:[96, 4] Operation: 96-92=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[92, 1], Operations: ['9+83=92', '96/96=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[96, 9, 96, 83], Operations: [] Exploring Operation: 9+83=92, Resulting Numbers: [96, 96, 92] Generated Node #0,0: 92:[96, 96, 92] Operation: 9+83=92 Moving to Node #0,0 Current State: 92:[96, 96, 92], Operations: ['9+83=92'] Exploring Operation: 96/96=1, Resulting Numbers: [92, 1] Generated Node #0,0,0: 92:[92, 1] Operation: 96/96=1 Moving to Node #0,0,0 Current State: 92:[92, 1], Operations: ['9+83=92', '96/96=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 18, 41, 85, 38 ]
70
[ "41-18=23", "85-38=47", "23+47=70" ]
Current State: 70:[18, 41, 85, 38], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [85, 38, 23] Generated Node #2: [85, 38, 23] from Operation: 41-18=23 Current State: 70:[85, 38, 23], Operations: ['41-18=23'] Exploring Operation: 85-38=47, Resulting Numbers: [23, 47] Generated Node #3: [23, 47] from Operation: 85-38=47 Current State: 70:[23, 47], Operations: ['41-18=23', '85-38=47'] Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[18, 41, 85, 38], Operations: [] Exploring Operation: 85-18=67, Resulting Numbers: [41, 38, 67] Generated Node #0,0: 70:[41, 38, 67] Operation: 85-18=67 Moving to Node #0,0 Current State: 70:[41, 38, 67], Operations: ['85-18=67'] Exploring Operation: 41-38=3, Resulting Numbers: [67, 3] Generated Node #0,0,0: 70:[67, 3] Operation: 41-38=3 Moving to Node #0,0,0 Current State: 70:[67, 3], Operations: ['85-18=67', '41-38=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[18, 41, 85, 38], Operations: [] Exploring Operation: 85-18=67, Resulting Numbers: [41, 38, 67] Generated Node #0,0: 70:[41, 38, 67] Operation: 85-18=67 Moving to Node #0,0 Current State: 70:[41, 38, 67], Operations: ['85-18=67'] Exploring Operation: 41-38=3, Resulting Numbers: [67, 3] Generated Node #0,0,0: 70:[67, 3] Operation: 41-38=3 Moving to Node #0,0,0 Current State: 70:[67, 3], Operations: ['85-18=67', '41-38=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 8, 66, 70, 27 ]
76
[ "27-8=19", "70-66=4", "19*4=76" ]
Current State: 76:[8, 66, 70, 27], Operations: [] Exploring Operation: 27-8=19, Resulting Numbers: [66, 70, 19] Generated Node #2: [66, 70, 19] from Operation: 27-8=19 Current State: 76:[66, 70, 19], Operations: ['27-8=19'] Exploring Operation: 70-66=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 70-66=4 Current State: 76:[19, 4], Operations: ['27-8=19', '70-66=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[8, 66, 70, 27], Operations: [] Exploring Operation: 27-8=19, Resulting Numbers: [66, 70, 19] Generated Node #0,0: 76:[66, 70, 19] Operation: 27-8=19 Exploring Operation: 66-27=39, Resulting Numbers: [8, 70, 39] Generated Node #0,1: 76:[8, 70, 39] Operation: 66-27=39 Exploring Operation: 8+66=74, Resulting Numbers: [70, 27, 74] Generated Node #0,2: 76:[70, 27, 74] Operation: 8+66=74 Exploring Operation: 8+27=35, Resulting Numbers: [66, 70, 35] Generated Node #0,3: 76:[66, 70, 35] Operation: 8+27=35 Exploring Operation: 70-66=4, Resulting Numbers: [8, 27, 4] Generated Node #0,4: 76:[8, 27, 4] Operation: 70-66=4 Moving to Node #0,1 Current State: 76:[8, 70, 39], Operations: ['66-27=39'] Exploring Operation: 70-8=62, Resulting Numbers: [39, 62] Generated Node #0,1,0: 76:[39, 62] Operation: 70-8=62 Exploring Operation: 70-39=31, Resulting Numbers: [8, 31] Generated Node #0,1,1: 76:[8, 31] Operation: 70-39=31 Exploring Operation: 8+70=78, Resulting Numbers: [39, 78] Generated Node #0,1,2: 76:[39, 78] Operation: 8+70=78 Exploring Operation: 8+39=47, Resulting Numbers: [70, 47] Generated Node #0,1,3: 76:[70, 47] Operation: 8+39=47 Exploring Operation: 39-8=31, Resulting Numbers: [70, 31] Generated Node #0,1,4: 76:[70, 31] Operation: 39-8=31 Moving to Node #0,4 Current State: 76:[8, 27, 4], Operations: ['70-66=4'] Exploring Operation: 27-4=23, Resulting Numbers: [8, 23] Generated Node #0,4,0: 76:[8, 23] Operation: 27-4=23 Exploring Operation: 8-4=4, Resulting Numbers: [27, 4] Generated Node #0,4,1: 76:[27, 4] Operation: 8-4=4 Exploring Operation: 8+27=35, Resulting Numbers: [4, 35] Generated Node #0,4,2: 76:[4, 35] Operation: 8+27=35 Exploring Operation: 8/4=2, Resulting Numbers: [27, 2] Generated Node #0,4,3: 76:[27, 2] Operation: 8/4=2 Exploring Operation: 27-8=19, Resulting Numbers: [4, 19] Generated Node #0,4,4: 76:[4, 19] Operation: 27-8=19 Moving to Node #0,0 Current State: 76:[66, 70, 19], Operations: ['27-8=19'] Exploring Operation: 66+19=85, Resulting Numbers: [70, 85] Generated Node #0,0,0: 76:[70, 85] Operation: 66+19=85 Exploring Operation: 66-19=47, Resulting Numbers: [70, 47] Generated Node #0,0,1: 76:[70, 47] Operation: 66-19=47 Exploring Operation: 70-19=51, Resulting Numbers: [66, 51] Generated Node #0,0,2: 76:[66, 51] Operation: 70-19=51 Exploring Operation: 70+19=89, Resulting Numbers: [66, 89] Generated Node #0,0,3: 76:[66, 89] Operation: 70+19=89 Exploring Operation: 70-66=4, Resulting Numbers: [19, 4] Generated Node #0,0,4: 76:[19, 4] Operation: 70-66=4 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[19, 4], Operations: ['27-8=19', '70-66=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[8, 66, 70, 27], Operations: [] Exploring Operation: 27-8=19, Resulting Numbers: [66, 70, 19] Generated Node #0,0: 76:[66, 70, 19] Operation: 27-8=19 Moving to Node #0,0 Current State: 76:[66, 70, 19], Operations: ['27-8=19'] Exploring Operation: 70-66=4, Resulting Numbers: [19, 4] Generated Node #0,0,4: 76:[19, 4] Operation: 70-66=4 Moving to Node #0,0,4 Current State: 76:[19, 4], Operations: ['27-8=19', '70-66=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 19, 65, 76, 14 ]
70
[ "19+65=84", "84/14=6", "76-6=70" ]
Current State: 70:[19, 65, 76, 14], Operations: [] Exploring Operation: 19+65=84, Resulting Numbers: [76, 14, 84] Generated Node #2: [76, 14, 84] from Operation: 19+65=84 Current State: 70:[76, 14, 84], Operations: ['19+65=84'] Exploring Operation: 84/14=6, Resulting Numbers: [76, 6] Generated Node #3: [76, 6] from Operation: 84/14=6 Current State: 70:[76, 6], Operations: ['19+65=84', '84/14=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[19, 65, 76, 14], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [19, 14, 11] Generated Node #0,0: 70:[19, 14, 11] Operation: 76-65=11 Exploring Operation: 76/19=4, Resulting Numbers: [65, 14, 4] Generated Node #0,1: 70:[65, 14, 4] Operation: 76/19=4 Exploring Operation: 19-14=5, Resulting Numbers: [65, 76, 5] Generated Node #0,2: 70:[65, 76, 5] Operation: 19-14=5 Moving to Node #0,0 Current State: 70:[19, 14, 11], Operations: ['76-65=11'] Exploring Operation: 19-14=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 70:[11, 5] Operation: 19-14=5 Exploring Operation: 19+14=33, Resulting Numbers: [11, 33] Generated Node #0,0,1: 70:[11, 33] Operation: 19+14=33 Exploring Operation: 19-11=8, Resulting Numbers: [14, 8] Generated Node #0,0,2: 70:[14, 8] Operation: 19-11=8 Moving to Node #0,1 Current State: 70:[65, 14, 4], Operations: ['76/19=4'] Exploring Operation: 65-4=61, Resulting Numbers: [14, 61] Generated Node #0,1,0: 70:[14, 61] Operation: 65-4=61 Exploring Operation: 65+4=69, Resulting Numbers: [14, 69] Generated Node #0,1,1: 70:[14, 69] Operation: 65+4=69 Exploring Operation: 14-4=10, Resulting Numbers: [65, 10] Generated Node #0,1,2: 70:[65, 10] Operation: 14-4=10 Moving to Node #0,2 Current State: 70:[65, 76, 5], Operations: ['19-14=5'] Exploring Operation: 76-5=71, Resulting Numbers: [65, 71] Generated Node #0,2,0: 70:[65, 71] Operation: 76-5=71 Exploring Operation: 65+5=70, Resulting Numbers: [76, 70] Generated Node #0,2,1: 70:[76, 70] Operation: 65+5=70 Exploring Operation: 76-65=11, Resulting Numbers: [5, 11] Generated Node #0,2,2: 70:[5, 11] Operation: 76-65=11 Moving to Node #0,0,0 Current State: 70:[11, 5], Operations: ['76-65=11', '19-14=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[5, 11], Operations: ['19-14=5', '76-65=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[14, 8], Operations: ['76-65=11', '19-11=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[14, 69], Operations: ['76/19=4', '65+4=69'] Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 14+69=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 14*69=966, Resulting Numbers: [966] 966,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[11, 33], Operations: ['76-65=11', '19+14=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[65, 10], Operations: ['76/19=4', '14-4=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,70 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[65, 71], Operations: ['19-14=5', '76-5=71'] Exploring Operation: 65+71=136, Resulting Numbers: [136] 136,70 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 65*71=4615, Resulting Numbers: [4615] 4615,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[76, 70], Operations: ['19-14=5', '65+5=70'] Exploring Operation: 76*70=5320, Resulting Numbers: [5320] 5320,70 unequal: No Solution Exploring Operation: 76+70=146, Resulting Numbers: [146] 146,70 unequal: No Solution Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[14, 61], Operations: ['76/19=4', '65-4=61'] Exploring Operation: 14*61=854, Resulting Numbers: [854] 854,70 unequal: No Solution Exploring Operation: 14+61=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,70 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 76, 80, 79 ]
53
[ "76+80=156", "156/6=26", "79-26=53" ]
Current State: 53:[6, 76, 80, 79], Operations: [] Exploring Operation: 76+80=156, Resulting Numbers: [6, 79, 156] Generated Node #2: [6, 79, 156] from Operation: 76+80=156 Current State: 53:[6, 79, 156], Operations: ['76+80=156'] Exploring Operation: 156/6=26, Resulting Numbers: [79, 26] Generated Node #3: [79, 26] from Operation: 156/6=26 Current State: 53:[79, 26], Operations: ['76+80=156', '156/6=26'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[6, 76, 80, 79], Operations: [] Exploring Operation: 76-6=70, Resulting Numbers: [80, 79, 70] Generated Node #0,0: 53:[80, 79, 70] Operation: 76-6=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[80, 79, 70], Operations: ['76-6=70'] Exploring Operation: 80-79=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 53:[70, 1] Operation: 80-79=1 Moving to Node #0,0,0 Current State: 53:[70, 1], Operations: ['76-6=70', '80-79=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 62, 37, 89 ]
77
[ "2*37=74", "62+89=151", "151-74=77" ]
Current State: 77:[2, 62, 37, 89], Operations: [] Exploring Operation: 2*37=74, Resulting Numbers: [62, 89, 74] Generated Node #2: [62, 89, 74] from Operation: 2*37=74 Current State: 77:[62, 89, 74], Operations: ['2*37=74'] Exploring Operation: 62+89=151, Resulting Numbers: [74, 151] Generated Node #3: [74, 151] from Operation: 62+89=151 Current State: 77:[74, 151], Operations: ['2*37=74', '62+89=151'] Exploring Operation: 151-74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[2, 62, 37, 89], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [2, 89, 25] Generated Node #0,0: 77:[2, 89, 25] Operation: 62-37=25 Exploring Operation: 62+37=99, Resulting Numbers: [2, 89, 99] Generated Node #0,1: 77:[2, 89, 99] Operation: 62+37=99 Exploring Operation: 2*37=74, Resulting Numbers: [62, 89, 74] Generated Node #0,2: 77:[62, 89, 74] Operation: 2*37=74 Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[62, 89, 74], Operations: ['2*37=74'] Exploring Operation: 74-62=12, Resulting Numbers: [89, 12] Generated Node #0,2,0: 77:[89, 12] Operation: 74-62=12 Exploring Operation: 89-62=27, Resulting Numbers: [74, 27] Generated Node #0,2,1: 77:[74, 27] Operation: 89-62=27 Exploring Operation: 89-74=15, Resulting Numbers: [62, 15] Generated Node #0,2,2: 77:[62, 15] Operation: 89-74=15 Moving to Node #0,2,0 Current State: 77:[89, 12], Operations: ['2*37=74', '74-62=12'] Exploring Operation: 89*12=1068, Resulting Numbers: [1068] 1068,77 unequal: No Solution Exploring Operation: 89+12=101, Resulting Numbers: [101] 101,77 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[2, 62, 37, 89], Operations: [] Exploring Operation: 2*37=74, Resulting Numbers: [62, 89, 74] Generated Node #0,2: 77:[62, 89, 74] Operation: 2*37=74 Moving to Node #0,2 Current State: 77:[62, 89, 74], Operations: ['2*37=74'] Exploring Operation: 74-62=12, Resulting Numbers: [89, 12] Generated Node #0,2,0: 77:[89, 12] Operation: 74-62=12 Moving to Node #0,2,0 Current State: 77:[89, 12], Operations: ['2*37=74', '74-62=12'] Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 42, 83, 19, 31 ]
75
[ "42+83=125", "19+31=50", "125-50=75" ]
Current State: 75:[42, 83, 19, 31], Operations: [] Exploring Operation: 42+83=125, Resulting Numbers: [19, 31, 125] Generated Node #2: [19, 31, 125] from Operation: 42+83=125 Current State: 75:[19, 31, 125], Operations: ['42+83=125'] Exploring Operation: 19+31=50, Resulting Numbers: [125, 50] Generated Node #3: [125, 50] from Operation: 19+31=50 Current State: 75:[125, 50], Operations: ['42+83=125', '19+31=50'] Exploring Operation: 125-50=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[42, 83, 19, 31], Operations: [] Exploring Operation: 42-31=11, Resulting Numbers: [83, 19, 11] Generated Node #0,0: 75:[83, 19, 11] Operation: 42-31=11 Exploring Operation: 42-19=23, Resulting Numbers: [83, 31, 23] Generated Node #0,1: 75:[83, 31, 23] Operation: 42-19=23 Exploring Operation: 42+31=73, Resulting Numbers: [83, 19, 73] Generated Node #0,2: 75:[83, 19, 73] Operation: 42+31=73 Moving to Node #0,2 Current State: 75:[83, 19, 73], Operations: ['42+31=73'] Exploring Operation: 83-73=10, Resulting Numbers: [19, 10] Generated Node #0,2,0: 75:[19, 10] Operation: 83-73=10 Exploring Operation: 83-19=64, Resulting Numbers: [73, 64] Generated Node #0,2,1: 75:[73, 64] Operation: 83-19=64 Exploring Operation: 19+73=92, Resulting Numbers: [83, 92] Generated Node #0,2,2: 75:[83, 92] Operation: 19+73=92 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[19, 10], Operations: ['42+31=73', '83-73=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,75 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[73, 64], Operations: ['42+31=73', '83-19=64'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,75 unequal: No Solution Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[83, 92], Operations: ['42+31=73', '19+73=92'] Exploring Operation: 83*92=7636, Resulting Numbers: [7636] 7636,75 unequal: No Solution Exploring Operation: 92-83=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 83+92=175, Resulting Numbers: [175] 175,75 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: 75:[83, 19, 11], Operations: ['42-31=11'] Exploring Operation: 83-11=72, Resulting Numbers: [19, 72] Generated Node #0,0,0: 75:[19, 72] Operation: 83-11=72 Exploring Operation: 19-11=8, Resulting Numbers: [83, 8] Generated Node #0,0,1: 75:[83, 8] Operation: 19-11=8 Exploring Operation: 19+11=30, Resulting Numbers: [83, 30] Generated Node #0,0,2: 75:[83, 30] Operation: 19+11=30 Moving to Node #0,1 Current State: 75:[83, 31, 23], Operations: ['42-19=23'] Exploring Operation: 31-23=8, Resulting Numbers: [83, 8] Generated Node #0,1,0: 75:[83, 8] Operation: 31-23=8 Exploring Operation: 83-23=60, Resulting Numbers: [31, 60] Generated Node #0,1,1: 75:[31, 60] Operation: 83-23=60 Exploring Operation: 83-31=52, Resulting Numbers: [23, 52] Generated Node #0,1,2: 75:[23, 52] Operation: 83-31=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[83, 8], Operations: ['42-19=23', '31-23=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,75 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[42, 83, 19, 31], Operations: [] Exploring Operation: 42-19=23, Resulting Numbers: [83, 31, 23] Generated Node #0,1: 75:[83, 31, 23] Operation: 42-19=23 Moving to Node #0,1 Current State: 75:[83, 31, 23], Operations: ['42-19=23'] Exploring Operation: 31-23=8, Resulting Numbers: [83, 8] Generated Node #0,1,0: 75:[83, 8] Operation: 31-23=8 Moving to Node #0,1,0 Current State: 75:[83, 8], Operations: ['42-19=23', '31-23=8'] Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 22, 28, 30, 19 ]
66
[ "28-22=6", "30-19=11", "6*11=66" ]
Current State: 66:[22, 28, 30, 19], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [30, 19, 6] Generated Node #2: [30, 19, 6] from Operation: 28-22=6 Current State: 66:[30, 19, 6], Operations: ['28-22=6'] Exploring Operation: 30-19=11, Resulting Numbers: [6, 11] Generated Node #3: [6, 11] from Operation: 30-19=11 Current State: 66:[6, 11], Operations: ['28-22=6', '30-19=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[22, 28, 30, 19], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [22, 19, 2] Generated Node #0,0: 66:[22, 19, 2] Operation: 30-28=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[22, 19, 2], Operations: ['30-28=2'] Exploring Operation: 22-19=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 66:[2, 3] Operation: 22-19=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[2, 3], Operations: ['30-28=2', '22-19=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 45, 77, 94, 85 ]
57
[ "45+77=122", "94+85=179", "179-122=57" ]
Current State: 57:[45, 77, 94, 85], Operations: [] Exploring Operation: 45+77=122, Resulting Numbers: [94, 85, 122] Generated Node #2: [94, 85, 122] from Operation: 45+77=122 Current State: 57:[94, 85, 122], Operations: ['45+77=122'] Exploring Operation: 94+85=179, Resulting Numbers: [122, 179] Generated Node #3: [122, 179] from Operation: 94+85=179 Current State: 57:[122, 179], Operations: ['45+77=122', '94+85=179'] Exploring Operation: 179-122=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[45, 77, 94, 85], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [45, 94, 8] Generated Node #0,0: 57:[45, 94, 8] Operation: 85-77=8 Exploring Operation: 94-77=17, Resulting Numbers: [45, 85, 17] Generated Node #0,1: 57:[45, 85, 17] Operation: 94-77=17 Exploring Operation: 94-85=9, Resulting Numbers: [45, 77, 9] Generated Node #0,2: 57:[45, 77, 9] Operation: 94-85=9 Exploring Operation: 94-45=49, Resulting Numbers: [77, 85, 49] Generated Node #0,3: 57:[77, 85, 49] Operation: 94-45=49 Moving to Node #0,2 Current State: 57:[45, 77, 9], Operations: ['94-85=9'] Exploring Operation: 77-9=68, Resulting Numbers: [45, 68] Generated Node #0,2,0: 57:[45, 68] Operation: 77-9=68 Exploring Operation: 45/9=5, Resulting Numbers: [77, 5] Generated Node #0,2,1: 57:[77, 5] Operation: 45/9=5 Exploring Operation: 77-45=32, Resulting Numbers: [9, 32] Generated Node #0,2,2: 57:[9, 32] Operation: 77-45=32 Exploring Operation: 45+9=54, Resulting Numbers: [77, 54] Generated Node #0,2,3: 57:[77, 54] Operation: 45+9=54 Moving to Node #0,1 Current State: 57:[45, 85, 17], Operations: ['94-77=17'] Exploring Operation: 85-17=68, Resulting Numbers: [45, 68] Generated Node #0,1,0: 57:[45, 68] Operation: 85-17=68 Exploring Operation: 85/17=5, Resulting Numbers: [45, 5] Generated Node #0,1,1: 57:[45, 5] Operation: 85/17=5 Exploring Operation: 45+17=62, Resulting Numbers: [85, 62] Generated Node #0,1,2: 57:[85, 62] Operation: 45+17=62 Exploring Operation: 85-45=40, Resulting Numbers: [17, 40] Generated Node #0,1,3: 57:[17, 40] Operation: 85-45=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[45, 5], Operations: ['94-77=17', '85/17=5'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 45*5=225, Resulting Numbers: [225] 225,57 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[17, 40], Operations: ['94-77=17', '85-45=40'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,57 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[45, 77, 94, 85], Operations: [] Exploring Operation: 94-77=17, Resulting Numbers: [45, 85, 17] Generated Node #0,1: 57:[45, 85, 17] Operation: 94-77=17 Moving to Node #0,1 Current State: 57:[45, 85, 17], Operations: ['94-77=17'] Exploring Operation: 85-45=40, Resulting Numbers: [17, 40] Generated Node #0,1,3: 57:[17, 40] Operation: 85-45=40 Moving to Node #0,1,3 Current State: 57:[17, 40], Operations: ['94-77=17', '85-45=40'] Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 77, 55, 11, 21 ]
12
[ "77-55=22", "21-11=10", "22-10=12" ]
Current State: 12:[77, 55, 11, 21], Operations: [] Exploring Operation: 77-55=22, Resulting Numbers: [11, 21, 22] Generated Node #2: [11, 21, 22] from Operation: 77-55=22 Current State: 12:[11, 21, 22], Operations: ['77-55=22'] Exploring Operation: 21-11=10, Resulting Numbers: [22, 10] Generated Node #3: [22, 10] from Operation: 21-11=10 Current State: 12:[22, 10], Operations: ['77-55=22', '21-11=10'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[77, 55, 11, 21], Operations: [] Exploring Operation: 77-21=56, Resulting Numbers: [55, 11, 56] Generated Node #0,0: 12:[55, 11, 56] Operation: 77-21=56 Exploring Operation: 55/11=5, Resulting Numbers: [77, 21, 5] Generated Node #0,1: 12:[77, 21, 5] Operation: 55/11=5 Exploring Operation: 55-21=34, Resulting Numbers: [77, 11, 34] Generated Node #0,2: 12:[77, 11, 34] Operation: 55-21=34 Exploring Operation: 77-55=22, Resulting Numbers: [11, 21, 22] Generated Node #0,3: 12:[11, 21, 22] Operation: 77-55=22 Exploring Operation: 77/11=7, Resulting Numbers: [55, 21, 7] Generated Node #0,4: 12:[55, 21, 7] Operation: 77/11=7 Moving to Node #0,3 Current State: 12:[11, 21, 22], Operations: ['77-55=22'] Exploring Operation: 21-11=10, Resulting Numbers: [22, 10] Generated Node #0,3,0: 12:[22, 10] Operation: 21-11=10 Exploring Operation: 22-11=11, Resulting Numbers: [21, 11] Generated Node #0,3,1: 12:[21, 11] Operation: 22-11=11 Exploring Operation: 22-21=1, Resulting Numbers: [11, 1] Generated Node #0,3,2: 12:[11, 1] Operation: 22-21=1 Exploring Operation: 11+21=32, Resulting Numbers: [22, 32] Generated Node #0,3,3: 12:[22, 32] Operation: 11+21=32 Exploring Operation: 22/11=2, Resulting Numbers: [21, 2] Generated Node #0,3,4: 12:[21, 2] Operation: 22/11=2 Moving to Node #0,4 Current State: 12:[55, 21, 7], Operations: ['77/11=7'] Exploring Operation: 21-7=14, Resulting Numbers: [55, 14] Generated Node #0,4,0: 12:[55, 14] Operation: 21-7=14 Exploring Operation: 55-21=34, Resulting Numbers: [7, 34] Generated Node #0,4,1: 12:[7, 34] Operation: 55-21=34 Exploring Operation: 21/7=3, Resulting Numbers: [55, 3] Generated Node #0,4,2: 12:[55, 3] Operation: 21/7=3 Exploring Operation: 55+7=62, Resulting Numbers: [21, 62] Generated Node #0,4,3: 12:[21, 62] Operation: 55+7=62 Exploring Operation: 55-7=48, Resulting Numbers: [21, 48] Generated Node #0,4,4: 12:[21, 48] Operation: 55-7=48 Moving to Node #0,1 Current State: 12:[77, 21, 5], Operations: ['55/11=5'] Exploring Operation: 77+5=82, Resulting Numbers: [21, 82] Generated Node #0,1,0: 12:[21, 82] Operation: 77+5=82 Exploring Operation: 21-5=16, Resulting Numbers: [77, 16] Generated Node #0,1,1: 12:[77, 16] Operation: 21-5=16 Exploring Operation: 21+5=26, Resulting Numbers: [77, 26] Generated Node #0,1,2: 12:[77, 26] Operation: 21+5=26 Exploring Operation: 77-21=56, Resulting Numbers: [5, 56] Generated Node #0,1,3: 12:[5, 56] Operation: 77-21=56 Exploring Operation: 77-5=72, Resulting Numbers: [21, 72] Generated Node #0,1,4: 12:[21, 72] Operation: 77-5=72 Moving to Node #0,0 Current State: 12:[55, 11, 56], Operations: ['77-21=56'] Exploring Operation: 55/11=5, Resulting Numbers: [56, 5] Generated Node #0,0,0: 12:[56, 5] Operation: 55/11=5 Exploring Operation: 55-11=44, Resulting Numbers: [56, 44] Generated Node #0,0,1: 12:[56, 44] Operation: 55-11=44 Exploring Operation: 55+11=66, Resulting Numbers: [56, 66] Generated Node #0,0,2: 12:[56, 66] Operation: 55+11=66 Exploring Operation: 56-11=45, Resulting Numbers: [55, 45] Generated Node #0,0,3: 12:[55, 45] Operation: 56-11=45 Exploring Operation: 56-55=1, Resulting Numbers: [11, 1] Generated Node #0,0,4: 12:[11, 1] Operation: 56-55=1 Moving to Node #0,2 Current State: 12:[77, 11, 34], Operations: ['55-21=34'] Exploring Operation: 77-11=66, Resulting Numbers: [34, 66] Generated Node #0,2,0: 12:[34, 66] Operation: 77-11=66 Exploring Operation: 77+11=88, Resulting Numbers: [34, 88] Generated Node #0,2,1: 12:[34, 88] Operation: 77+11=88 Exploring Operation: 77/11=7, Resulting Numbers: [34, 7] Generated Node #0,2,2: 12:[34, 7] Operation: 77/11=7 Exploring Operation: 77-34=43, Resulting Numbers: [11, 43] Generated Node #0,2,3: 12:[11, 43] Operation: 77-34=43 Exploring Operation: 34-11=23, Resulting Numbers: [77, 23] Generated Node #0,2,4: 12:[77, 23] Operation: 34-11=23 Moving to Node #0,3,2 Current State: 12:[11, 1], Operations: ['77-55=22', '22-21=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[77, 55, 11, 21], Operations: [] Exploring Operation: 77-55=22, Resulting Numbers: [11, 21, 22] Generated Node #0,3: 12:[11, 21, 22] Operation: 77-55=22 Moving to Node #0,3 Current State: 12:[11, 21, 22], Operations: ['77-55=22'] Exploring Operation: 22-21=1, Resulting Numbers: [11, 1] Generated Node #0,3,2: 12:[11, 1] Operation: 22-21=1 Moving to Node #0,3,2 Current State: 12:[11, 1], Operations: ['77-55=22', '22-21=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.967882
hs_5
mult_heuristic
[ 45, 2, 34, 8 ]
27
[ "45-34=11", "2*8=16", "11+16=27" ]
Current State: 27:[45, 2, 34, 8], Operations: [] Exploring Operation: 45-34=11, Resulting Numbers: [2, 8, 11] Generated Node #2: [2, 8, 11] from Operation: 45-34=11 Current State: 27:[2, 8, 11], Operations: ['45-34=11'] Exploring Operation: 2*8=16, Resulting Numbers: [11, 16] Generated Node #3: [11, 16] from Operation: 2*8=16 Current State: 27:[11, 16], Operations: ['45-34=11', '2*8=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[45, 2, 34, 8], Operations: [] Exploring Operation: 45-8=37, Resulting Numbers: [2, 34, 37] Generated Node #0,0: 27:[2, 34, 37] Operation: 45-8=37 Exploring Operation: 34-2=32, Resulting Numbers: [45, 8, 32] Generated Node #0,1: 27:[45, 8, 32] Operation: 34-2=32 Exploring Operation: 34-8=26, Resulting Numbers: [45, 2, 26] Generated Node #0,2: 27:[45, 2, 26] Operation: 34-8=26 Exploring Operation: 45-2=43, Resulting Numbers: [34, 8, 43] Generated Node #0,3: 27:[34, 8, 43] Operation: 45-2=43 Exploring Operation: 45-34=11, Resulting Numbers: [2, 8, 11] Generated Node #0,4: 27:[2, 8, 11] Operation: 45-34=11 Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[2, 8, 11], Operations: ['45-34=11'] Exploring Operation: 8/2=4, Resulting Numbers: [11, 4] Generated Node #0,4,0: 27:[11, 4] Operation: 8/2=4 Exploring Operation: 11-8=3, Resulting Numbers: [2, 3] Generated Node #0,4,1: 27:[2, 3] Operation: 11-8=3 Exploring Operation: 2+8=10, Resulting Numbers: [11, 10] Generated Node #0,4,2: 27:[11, 10] Operation: 2+8=10 Exploring Operation: 11-2=9, Resulting Numbers: [8, 9] Generated Node #0,4,3: 27:[8, 9] Operation: 11-2=9 Exploring Operation: 8-2=6, Resulting Numbers: [11, 6] Generated Node #0,4,4: 27:[11, 6] Operation: 8-2=6 Moving to Node #0,4,1 Current State: 27:[2, 3], Operations: ['45-34=11', '11-8=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,4,3 Current State: 27:[8, 9], Operations: ['45-34=11', '11-2=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,27 unequal: No Solution Moving to Node #0,4,0 Current State: 27:[11, 4], Operations: ['45-34=11', '8/2=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,27 unequal: No Solution Moving to Node #0,4,2 Current State: 27:[11, 10], Operations: ['45-34=11', '2+8=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,27 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,27 unequal: No Solution Moving to Node #0,4,4 Current State: 27:[11, 6], Operations: ['45-34=11', '8-2=6'] Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 34, 37], Operations: ['45-8=37'] Exploring Operation: 37-34=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 27:[2, 3] Operation: 37-34=3 Exploring Operation: 2+34=36, Resulting Numbers: [37, 36] Generated Node #0,0,1: 27:[37, 36] Operation: 2+34=36 Exploring Operation: 37-2=35, Resulting Numbers: [34, 35] Generated Node #0,0,2: 27:[34, 35] Operation: 37-2=35 Exploring Operation: 34/2=17, Resulting Numbers: [37, 17] Generated Node #0,0,3: 27:[37, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [37, 32] Generated Node #0,0,4: 27:[37, 32] Operation: 34-2=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 3], Operations: ['45-8=37', '37-34=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[34, 35], Operations: ['45-8=37', '37-2=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,27 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[37, 32], Operations: ['45-8=37', '34-2=32'] Exploring Operation: 37*32=1184, Resulting Numbers: [1184] 1184,27 unequal: No Solution Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[37, 17], Operations: ['45-8=37', '34/2=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,27 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[37, 36], Operations: ['45-8=37', '2+34=36'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,27 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[45, 2, 26], Operations: ['34-8=26'] Exploring Operation: 2+26=28, Resulting Numbers: [45, 28] Generated Node #0,2,0: 27:[45, 28] Operation: 2+26=28 Exploring Operation: 26-2=24, Resulting Numbers: [45, 24] Generated Node #0,2,1: 27:[45, 24] Operation: 26-2=24 Exploring Operation: 45+2=47, Resulting Numbers: [26, 47] Generated Node #0,2,2: 27:[26, 47] Operation: 45+2=47 Exploring Operation: 45-2=43, Resulting Numbers: [26, 43] Generated Node #0,2,3: 27:[26, 43] Operation: 45-2=43 Exploring Operation: 45-26=19, Resulting Numbers: [2, 19] Generated Node #0,2,4: 27:[2, 19] Operation: 45-26=19 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 27:[2, 19], Operations: ['34-8=26', '45-26=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 27:[26, 43], Operations: ['34-8=26', '45-2=43'] Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,27 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[45, 28], Operations: ['34-8=26', '2+26=28'] Exploring Operation: 45*28=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[45, 24], Operations: ['34-8=26', '26-2=24'] Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,27 unequal: No Solution Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[26, 47], Operations: ['34-8=26', '45+2=47'] Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,27 unequal: No Solution Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[45, 8, 32], Operations: ['34-2=32'] Exploring Operation: 45-32=13, Resulting Numbers: [8, 13] Generated Node #0,1,0: 27:[8, 13] Operation: 45-32=13 Exploring Operation: 32/8=4, Resulting Numbers: [45, 4] Generated Node #0,1,1: 27:[45, 4] Operation: 32/8=4 Exploring Operation: 32-8=24, Resulting Numbers: [45, 24] Generated Node #0,1,2: 27:[45, 24] Operation: 32-8=24 Exploring Operation: 45-8=37, Resulting Numbers: [32, 37] Generated Node #0,1,3: 27:[32, 37] Operation: 45-8=37 Exploring Operation: 45+8=53, Resulting Numbers: [32, 53] Generated Node #0,1,4: 27:[32, 53] Operation: 45+8=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[8, 13], Operations: ['34-2=32', '45-32=13'] Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[32, 37], Operations: ['34-2=32', '45-8=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[45, 4], Operations: ['34-2=32', '32/8=4'] Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,27 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 27:[45, 24], Operations: ['34-2=32', '32-8=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,27 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 27:[32, 53], Operations: ['34-2=32', '45+8=53'] Exploring Operation: 32*53=1696, Resulting Numbers: [1696] 1696,27 unequal: No Solution Exploring Operation: 32+53=85, Resulting Numbers: [85] 85,27 unequal: No Solution Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[34, 8, 43], Operations: ['45-2=43'] Exploring Operation: 8+43=51, Resulting Numbers: [34, 51] Generated Node #0,3,0: 27:[34, 51] Operation: 8+43=51 Exploring Operation: 43-8=35, Resulting Numbers: [34, 35] Generated Node #0,3,1: 27:[34, 35] Operation: 43-8=35 Exploring Operation: 43-34=9, Resulting Numbers: [8, 9] Generated Node #0,3,2: 27:[8, 9] Operation: 43-34=9 Exploring Operation: 34+8=42, Resulting Numbers: [43, 42] Generated Node #0,3,3: 27:[43, 42] Operation: 34+8=42 Exploring Operation: 34-8=26, Resulting Numbers: [43, 26] Generated Node #0,3,4: 27:[43, 26] Operation: 34-8=26 Moving to Node #0,3,2 Current State: 27:[8, 9], Operations: ['45-2=43', '43-34=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[34, 35], Operations: ['45-2=43', '43-8=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,27 unequal: No Solution Moving to Node #0,3,4 Current State: 27:[43, 26], Operations: ['45-2=43', '34-8=26'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[34, 51], Operations: ['45-2=43', '8+43=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,27 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,27 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[43, 42], Operations: ['45-2=43', '34+8=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,27 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,27 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
[ 6, 31, 53, 71 ]
43
[ "31-6=25", "71-53=18", "25+18=43" ]
Current State: 43:[6, 31, 53, 71], Operations: [] Exploring Operation: 31-6=25, Resulting Numbers: [53, 71, 25] Generated Node #2: [53, 71, 25] from Operation: 31-6=25 Current State: 43:[53, 71, 25], Operations: ['31-6=25'] Exploring Operation: 71-53=18, Resulting Numbers: [25, 18] Generated Node #3: [25, 18] from Operation: 71-53=18 Current State: 43:[25, 18], Operations: ['31-6=25', '71-53=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[6, 31, 53, 71], Operations: [] Exploring Operation: 6+31=37, Resulting Numbers: [53, 71, 37] Generated Node #0,0: 43:[53, 71, 37] Operation: 6+31=37 Exploring Operation: 53-6=47, Resulting Numbers: [31, 71, 47] Generated Node #0,1: 43:[31, 71, 47] Operation: 53-6=47 Exploring Operation: 71-6=65, Resulting Numbers: [31, 53, 65] Generated Node #0,2: 43:[31, 53, 65] Operation: 71-6=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[53, 71, 37], Operations: ['6+31=37'] Exploring Operation: 53-37=16, Resulting Numbers: [71, 16] Generated Node #0,0,0: 43:[71, 16] Operation: 53-37=16 Exploring Operation: 71-37=34, Resulting Numbers: [53, 34] Generated Node #0,0,1: 43:[53, 34] Operation: 71-37=34 Exploring Operation: 71-53=18, Resulting Numbers: [37, 18] Generated Node #0,0,2: 43:[37, 18] Operation: 71-53=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[53, 34], Operations: ['6+31=37', '71-37=34'] Exploring Operation: 53*34=1802, Resulting Numbers: [1802] 1802,43 unequal: No Solution Exploring Operation: 53+34=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[37, 18], Operations: ['6+31=37', '71-53=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,43 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[71, 16], Operations: ['6+31=37', '53-37=16'] Exploring Operation: 71*16=1136, Resulting Numbers: [1136] 1136,43 unequal: No Solution Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 71+16=87, Resulting Numbers: [87] 87,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[31, 71, 47], Operations: ['53-6=47'] Exploring Operation: 47-31=16, Resulting Numbers: [71, 16] Generated Node #0,1,0: 43:[71, 16] Operation: 47-31=16 Exploring Operation: 71-31=40, Resulting Numbers: [47, 40] Generated Node #0,1,1: 43:[47, 40] Operation: 71-31=40 Exploring Operation: 71-47=24, Resulting Numbers: [31, 24] Generated Node #0,1,2: 43:[31, 24] Operation: 71-47=24 Moving to Node #0,1,1 Current State: 43:[47, 40], Operations: ['53-6=47', '71-31=40'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 47*40=1880, Resulting Numbers: [1880] 1880,43 unequal: No Solution Exploring Operation: 47+40=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[31, 24], Operations: ['53-6=47', '71-47=24'] Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 31+24=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 31*24=744, Resulting Numbers: [744] 744,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[71, 16], Operations: ['53-6=47', '47-31=16'] Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 71*16=1136, Resulting Numbers: [1136] 1136,43 unequal: No Solution Exploring Operation: 71+16=87, Resulting Numbers: [87] 87,43 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 #0,2 Current State: 43:[31, 53, 65], Operations: ['71-6=65'] Exploring Operation: 65-31=34, Resulting Numbers: [53, 34] Generated Node #0,2,0: 43:[53, 34] Operation: 65-31=34 Exploring Operation: 53-31=22, Resulting Numbers: [65, 22] Generated Node #0,2,1: 43:[65, 22] Operation: 53-31=22 Exploring Operation: 65-53=12, Resulting Numbers: [31, 12] Generated Node #0,2,2: 43:[31, 12] Operation: 65-53=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[53, 34], Operations: ['71-6=65', '65-31=34'] Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,43 unequal: No Solution Exploring Operation: 53+34=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 53*34=1802, Resulting Numbers: [1802] 1802,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[65, 22], Operations: ['71-6=65', '53-31=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,43 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[6, 31, 53, 71], Operations: [] Exploring Operation: 71-6=65, Resulting Numbers: [31, 53, 65] Generated Node #0,2: 43:[31, 53, 65] Operation: 71-6=65 Moving to Node #0,2 Current State: 43:[31, 53, 65], Operations: ['71-6=65'] Exploring Operation: 53-31=22, Resulting Numbers: [65, 22] Generated Node #0,2,1: 43:[65, 22] Operation: 53-31=22 Moving to Node #0,2,1 Current State: 43:[65, 22], Operations: ['71-6=65', '53-31=22'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_3
mult_heuristic
[ 55, 21, 74, 57 ]
24
[ "74-55=19", "57/19=3", "21+3=24" ]
Current State: 24:[55, 21, 74, 57], Operations: [] Exploring Operation: 74-55=19, Resulting Numbers: [21, 57, 19] Generated Node #2: [21, 57, 19] from Operation: 74-55=19 Current State: 24:[21, 57, 19], Operations: ['74-55=19'] Exploring Operation: 57/19=3, Resulting Numbers: [21, 3] Generated Node #3: [21, 3] from Operation: 57/19=3 Current State: 24:[21, 3], Operations: ['74-55=19', '57/19=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[55, 21, 74, 57], Operations: [] Exploring Operation: 74-55=19, Resulting Numbers: [21, 57, 19] Generated Node #0,0: 24:[21, 57, 19] Operation: 74-55=19 Exploring Operation: 57-55=2, Resulting Numbers: [21, 74, 2] Generated Node #0,1: 24:[21, 74, 2] Operation: 57-55=2 Exploring Operation: 74-21=53, Resulting Numbers: [55, 57, 53] Generated Node #0,2: 24:[55, 57, 53] Operation: 74-21=53 Exploring Operation: 55-21=34, Resulting Numbers: [74, 57, 34] Generated Node #0,3: 24:[74, 57, 34] Operation: 55-21=34 Exploring Operation: 74-57=17, Resulting Numbers: [55, 21, 17] Generated Node #0,4: 24:[55, 21, 17] Operation: 74-57=17 Moving to Node #0,4 Current State: 24:[55, 21, 17], Operations: ['74-57=17'] Exploring Operation: 55-17=38, Resulting Numbers: [21, 38] Generated Node #0,4,0: 24:[21, 38] Operation: 55-17=38 Exploring Operation: 55-21=34, Resulting Numbers: [17, 34] Generated Node #0,4,1: 24:[17, 34] Operation: 55-21=34 Exploring Operation: 55+17=72, Resulting Numbers: [21, 72] Generated Node #0,4,2: 24:[21, 72] Operation: 55+17=72 Exploring Operation: 21+17=38, Resulting Numbers: [55, 38] Generated Node #0,4,3: 24:[55, 38] Operation: 21+17=38 Exploring Operation: 21-17=4, Resulting Numbers: [55, 4] Generated Node #0,4,4: 24:[55, 4] Operation: 21-17=4 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 24:[17, 34], Operations: ['74-57=17', '55-21=34'] Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,24 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,24 unequal: No Solution No 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: 24:[21, 38], Operations: ['74-57=17', '55-17=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,24 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,24 unequal: No Solution No 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: 24:[55, 4], Operations: ['74-57=17', '21-17=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,24 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,24 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,24 unequal: No Solution No 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: 24:[55, 38], Operations: ['74-57=17', '21+17=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,24 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,24 unequal: No Solution No 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: 24:[21, 72], Operations: ['74-57=17', '55+17=72'] Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,24 unequal: No Solution Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,24 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,24 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: 24:[21, 57, 19], Operations: ['74-55=19'] Exploring Operation: 57/19=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 24:[21, 3] Operation: 57/19=3 Exploring Operation: 57-21=36, Resulting Numbers: [19, 36] Generated Node #0,0,1: 24:[19, 36] Operation: 57-21=36 Exploring Operation: 57-19=38, Resulting Numbers: [21, 38] Generated Node #0,0,2: 24:[21, 38] Operation: 57-19=38 Exploring Operation: 21-19=2, Resulting Numbers: [57, 2] Generated Node #0,0,3: 24:[57, 2] Operation: 21-19=2 Exploring Operation: 21+19=40, Resulting Numbers: [57, 40] Generated Node #0,0,4: 24:[57, 40] Operation: 21+19=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[21, 3], Operations: ['74-55=19', '57/19=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[55, 21, 74, 57], Operations: [] Exploring Operation: 74-55=19, Resulting Numbers: [21, 57, 19] Generated Node #0,0: 24:[21, 57, 19] Operation: 74-55=19 Moving to Node #0,0 Current State: 24:[21, 57, 19], Operations: ['74-55=19'] Exploring Operation: 57/19=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 24:[21, 3] Operation: 57/19=3 Moving to Node #0,0,0 Current State: 24:[21, 3], Operations: ['74-55=19', '57/19=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
sum_heuristic
[ 11, 4, 13, 3 ]
54
[ "11+4=15", "13*3=39", "15+39=54" ]
Current State: 54:[11, 4, 13, 3], Operations: [] Exploring Operation: 11+4=15, Resulting Numbers: [13, 3, 15] Generated Node #2: [13, 3, 15] from Operation: 11+4=15 Current State: 54:[13, 3, 15], Operations: ['11+4=15'] Exploring Operation: 13*3=39, Resulting Numbers: [15, 39] Generated Node #3: [15, 39] from Operation: 13*3=39 Current State: 54:[15, 39], Operations: ['11+4=15', '13*3=39'] Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[11, 4, 13, 3], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [4, 3, 2] Generated Node #0,0: 54:[4, 3, 2] Operation: 13-11=2 Exploring Operation: 13-4=9, Resulting Numbers: [11, 3, 9] Generated Node #0,1: 54:[11, 3, 9] Operation: 13-4=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[4, 3, 2], Operations: ['13-11=2'] Exploring Operation: 4-2=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 54:[3, 2] Operation: 4-2=2 Exploring Operation: 4+2=6, Resulting Numbers: [3, 6] Generated Node #0,0,1: 54:[3, 6] Operation: 4+2=6 Moving to Node #0,0,0 Current State: 54:[3, 2], Operations: ['13-11=2', '4-2=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[3, 6], Operations: ['13-11=2', '4+2=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[11, 3, 9], Operations: ['13-4=9'] Exploring Operation: 11-3=8, Resulting Numbers: [9, 8] Generated Node #0,1,0: 54:[9, 8] Operation: 11-3=8 Exploring Operation: 11-9=2, Resulting Numbers: [3, 2] Generated Node #0,1,1: 54:[3, 2] Operation: 11-9=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[3, 2], Operations: ['13-4=9', '11-9=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,54 unequal: No Solution No 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: 54:[9, 8], Operations: ['13-4=9', '11-3=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,54 unequal: No Solution No solution found. Exit Sub Search at level 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
[ 27, 64, 53, 79 ]
63
[ "64-27=37", "79-53=26", "37+26=63" ]
Current State: 63:[27, 64, 53, 79], Operations: [] Exploring Operation: 64-27=37, Resulting Numbers: [53, 79, 37] Generated Node #2: [53, 79, 37] from Operation: 64-27=37 Current State: 63:[53, 79, 37], Operations: ['64-27=37'] Exploring Operation: 79-53=26, Resulting Numbers: [37, 26] Generated Node #3: [37, 26] from Operation: 79-53=26 Current State: 63:[37, 26], Operations: ['64-27=37', '79-53=26'] Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[27, 64, 53, 79], Operations: [] Exploring Operation: 53-27=26, Resulting Numbers: [64, 79, 26] Generated Node #0,0: 63:[64, 79, 26] Operation: 53-27=26 Exploring Operation: 79-27=52, Resulting Numbers: [64, 53, 52] Generated Node #0,1: 63:[64, 53, 52] Operation: 79-27=52 Exploring Operation: 79-53=26, Resulting Numbers: [27, 64, 26] Generated Node #0,2: 63:[27, 64, 26] Operation: 79-53=26 Moving to Node #0,2 Current State: 63:[27, 64, 26], Operations: ['79-53=26'] Exploring Operation: 64-27=37, Resulting Numbers: [26, 37] Generated Node #0,2,0: 63:[26, 37] Operation: 64-27=37 Exploring Operation: 27+26=53, Resulting Numbers: [64, 53] Generated Node #0,2,1: 63:[64, 53] Operation: 27+26=53 Exploring Operation: 27-26=1, Resulting Numbers: [64, 1] Generated Node #0,2,2: 63:[64, 1] Operation: 27-26=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[64, 1], Operations: ['79-53=26', '27-26=1'] Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[27, 64, 53, 79], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [27, 64, 26] Generated Node #0,2: 63:[27, 64, 26] Operation: 79-53=26 Moving to Node #0,2 Current State: 63:[27, 64, 26], Operations: ['79-53=26'] Exploring Operation: 27-26=1, Resulting Numbers: [64, 1] Generated Node #0,2,2: 63:[64, 1] Operation: 27-26=1 Moving to Node #0,2,2 Current State: 63:[64, 1], Operations: ['79-53=26', '27-26=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 2, 66, 60, 32 ]
86
[ "2*60=120", "66-32=34", "120-34=86" ]
Current State: 86:[2, 66, 60, 32], Operations: [] Exploring Operation: 2*60=120, Resulting Numbers: [66, 32, 120] Generated Node #2: [66, 32, 120] from Operation: 2*60=120 Current State: 86:[66, 32, 120], Operations: ['2*60=120'] Exploring Operation: 66-32=34, Resulting Numbers: [120, 34] Generated Node #3: [120, 34] from Operation: 66-32=34 Current State: 86:[120, 34], Operations: ['2*60=120', '66-32=34'] Exploring Operation: 120-34=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[2, 66, 60, 32], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [2, 32, 6] Generated Node #0,0: 86:[2, 32, 6] Operation: 66-60=6 Moving to Node #0,0 Current State: 86:[2, 32, 6], Operations: ['66-60=6'] Exploring Operation: 32+6=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 86:[2, 38] Operation: 32+6=38 Moving to Node #0,0,0 Current State: 86:[2, 38], Operations: ['66-60=6', '32+6=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,86 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 81, 72, 44, 53 ]
18
[ "81-72=9", "53-44=9", "9+9=18" ]
Current State: 18:[81, 72, 44, 53], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [44, 53, 9] Generated Node #2: [44, 53, 9] from Operation: 81-72=9 Current State: 18:[44, 53, 9], Operations: ['81-72=9'] Exploring Operation: 53-44=9, Resulting Numbers: [9, 9] Generated Node #3: [9, 9] from Operation: 53-44=9 Current State: 18:[9, 9], Operations: ['81-72=9', '53-44=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[81, 72, 44, 53], Operations: [] Exploring Operation: 81-53=28, Resulting Numbers: [72, 44, 28] Generated Node #0,0: 18:[72, 44, 28] Operation: 81-53=28 Exploring Operation: 81-72=9, Resulting Numbers: [44, 53, 9] Generated Node #0,1: 18:[44, 53, 9] Operation: 81-72=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[44, 53, 9], Operations: ['81-72=9'] Exploring Operation: 53-44=9, Resulting Numbers: [9, 9] Generated Node #0,1,0: 18:[9, 9] Operation: 53-44=9 Exploring Operation: 44-9=35, Resulting Numbers: [53, 35] Generated Node #0,1,1: 18:[53, 35] Operation: 44-9=35 Moving to Node #0,1,0 Current State: 18:[9, 9], Operations: ['81-72=9', '53-44=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[81, 72, 44, 53], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [44, 53, 9] Generated Node #0,1: 18:[44, 53, 9] Operation: 81-72=9 Moving to Node #0,1 Current State: 18:[44, 53, 9], Operations: ['81-72=9'] Exploring Operation: 53-44=9, Resulting Numbers: [9, 9] Generated Node #0,1,0: 18:[9, 9] Operation: 53-44=9 Moving to Node #0,1,0 Current State: 18:[9, 9], Operations: ['81-72=9', '53-44=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 6, 60, 70, 94 ]
14
[ "60/6=10", "94-70=24", "24-10=14" ]
Current State: 14:[6, 60, 70, 94], Operations: [] Exploring Operation: 60/6=10, Resulting Numbers: [70, 94, 10] Generated Node #2: [70, 94, 10] from Operation: 60/6=10 Current State: 14:[70, 94, 10], Operations: ['60/6=10'] Exploring Operation: 94-70=24, Resulting Numbers: [10, 24] Generated Node #3: [10, 24] from Operation: 94-70=24 Current State: 14:[10, 24], Operations: ['60/6=10', '94-70=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[6, 60, 70, 94], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [6, 60, 24] Generated Node #0,0: 14:[6, 60, 24] Operation: 94-70=24 Moving to Node #0,0 Current State: 14:[6, 60, 24], Operations: ['94-70=24'] Exploring Operation: 60/6=10, Resulting Numbers: [24, 10] Generated Node #0,0,0: 14:[24, 10] Operation: 60/6=10 Moving to Node #0,0,0 Current State: 14:[24, 10], Operations: ['94-70=24', '60/6=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[6, 60, 70, 94], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [6, 60, 24] Generated Node #0,0: 14:[6, 60, 24] Operation: 94-70=24 Moving to Node #0,0 Current State: 14:[6, 60, 24], Operations: ['94-70=24'] Exploring Operation: 60/6=10, Resulting Numbers: [24, 10] Generated Node #0,0,0: 14:[24, 10] Operation: 60/6=10 Moving to Node #0,0,0 Current State: 14:[24, 10], Operations: ['94-70=24', '60/6=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 85, 60, 51, 4 ]
96
[ "85*60=5100", "5100/51=100", "100-4=96" ]
Current State: 96:[85, 60, 51, 4], Operations: [] Exploring Operation: 85*60=5100, Resulting Numbers: [51, 4, 5100] Generated Node #2: [51, 4, 5100] from Operation: 85*60=5100 Current State: 96:[51, 4, 5100], Operations: ['85*60=5100'] Exploring Operation: 5100/51=100, Resulting Numbers: [4, 100] Generated Node #3: [4, 100] from Operation: 5100/51=100 Current State: 96:[4, 100], Operations: ['85*60=5100', '5100/51=100'] Exploring Operation: 100-4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[85, 60, 51, 4], Operations: [] Exploring Operation: 85+4=89, Resulting Numbers: [60, 51, 89] Generated Node #0,0: 96:[60, 51, 89] Operation: 85+4=89 Exploring Operation: 85-60=25, Resulting Numbers: [51, 4, 25] Generated Node #0,1: 96:[51, 4, 25] Operation: 85-60=25 Exploring Operation: 60-51=9, Resulting Numbers: [85, 4, 9] Generated Node #0,2: 96:[85, 4, 9] Operation: 60-51=9 Exploring Operation: 85-51=34, Resulting Numbers: [60, 4, 34] Generated Node #0,3: 96:[60, 4, 34] Operation: 85-51=34 Exploring Operation: 60/4=15, Resulting Numbers: [85, 51, 15] Generated Node #0,4: 96:[85, 51, 15] Operation: 60/4=15 Moving to Node #0,1 Current State: 96:[51, 4, 25], Operations: ['85-60=25'] Exploring Operation: 25-4=21, Resulting Numbers: [51, 21] Generated Node #0,1,0: 96:[51, 21] Operation: 25-4=21 Exploring Operation: 4+25=29, Resulting Numbers: [51, 29] Generated Node #0,1,1: 96:[51, 29] Operation: 4+25=29 Exploring Operation: 4*25=100, Resulting Numbers: [51, 100] Generated Node #0,1,2: 96:[51, 100] Operation: 4*25=100 Exploring Operation: 51-25=26, Resulting Numbers: [4, 26] Generated Node #0,1,3: 96:[4, 26] Operation: 51-25=26 Exploring Operation: 51-4=47, Resulting Numbers: [25, 47] Generated Node #0,1,4: 96:[25, 47] Operation: 51-4=47 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 96:[4, 26], Operations: ['85-60=25', '51-25=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,96 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 96:[25, 47], Operations: ['85-60=25', '51-4=47'] Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,96 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[51, 21], Operations: ['85-60=25', '25-4=21'] Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,96 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[51, 29], Operations: ['85-60=25', '4+25=29'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,96 unequal: No Solution Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[51, 100], Operations: ['85-60=25', '4*25=100'] Exploring Operation: 51+100=151, Resulting Numbers: [151] 151,96 unequal: No Solution Exploring Operation: 51*100=5100, Resulting Numbers: [5100] 5100,96 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,96 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: 96:[85, 4, 9], Operations: ['60-51=9'] Exploring Operation: 9-4=5, Resulting Numbers: [85, 5] Generated Node #0,2,0: 96:[85, 5] Operation: 9-4=5 Exploring Operation: 85+9=94, Resulting Numbers: [4, 94] Generated Node #0,2,1: 96:[4, 94] Operation: 85+9=94 Exploring Operation: 4+9=13, Resulting Numbers: [85, 13] Generated Node #0,2,2: 96:[85, 13] Operation: 4+9=13 Exploring Operation: 85+4=89, Resulting Numbers: [9, 89] Generated Node #0,2,3: 96:[9, 89] Operation: 85+4=89 Exploring Operation: 4*9=36, Resulting Numbers: [85, 36] Generated Node #0,2,4: 96:[85, 36] Operation: 4*9=36 Moving to Node #0,3 Current State: 96:[60, 4, 34], Operations: ['85-51=34'] Exploring Operation: 60/4=15, Resulting Numbers: [34, 15] Generated Node #0,3,0: 96:[34, 15] Operation: 60/4=15 Exploring Operation: 34-4=30, Resulting Numbers: [60, 30] Generated Node #0,3,1: 96:[60, 30] Operation: 34-4=30 Exploring Operation: 60-4=56, Resulting Numbers: [34, 56] Generated Node #0,3,2: 96:[34, 56] Operation: 60-4=56 Exploring Operation: 60-34=26, Resulting Numbers: [4, 26] Generated Node #0,3,3: 96:[4, 26] Operation: 60-34=26 Exploring Operation: 60+34=94, Resulting Numbers: [4, 94] Generated Node #0,3,4: 96:[4, 94] Operation: 60+34=94 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 96:[4, 26], Operations: ['85-51=34', '60-34=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,96 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,96 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 #0,3,4 Current State: 96:[4, 94], Operations: ['85-51=34', '60+34=94'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 4*94=376, Resulting Numbers: [376] 376,96 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,96 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 #0,3,0 Current State: 96:[34, 15], Operations: ['85-51=34', '60/4=15'] Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,96 unequal: No Solution Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,96 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 #0,3,2 Current State: 96:[34, 56], Operations: ['85-51=34', '60-4=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,96 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,96 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 #0,3,1 Current State: 96:[60, 30], Operations: ['85-51=34', '34-4=30'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,96 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,96 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: 96:[85, 51, 15], Operations: ['60/4=15'] Exploring Operation: 85-51=34, Resulting Numbers: [15, 34] Generated Node #0,4,0: 96:[15, 34] Operation: 85-51=34 Exploring Operation: 51+15=66, Resulting Numbers: [85, 66] Generated Node #0,4,1: 96:[85, 66] Operation: 51+15=66 Exploring Operation: 85-15=70, Resulting Numbers: [51, 70] Generated Node #0,4,2: 96:[51, 70] Operation: 85-15=70 Exploring Operation: 85+15=100, Resulting Numbers: [51, 100] Generated Node #0,4,3: 96:[51, 100] Operation: 85+15=100 Exploring Operation: 51-15=36, Resulting Numbers: [85, 36] Generated Node #0,4,4: 96:[85, 36] Operation: 51-15=36 Moving to Node #0,0 Current State: 96:[60, 51, 89], Operations: ['85+4=89'] Exploring Operation: 60-51=9, Resulting Numbers: [89, 9] Generated Node #0,0,0: 96:[89, 9] Operation: 60-51=9 Exploring Operation: 60+89=149, Resulting Numbers: [51, 149] Generated Node #0,0,1: 96:[51, 149] Operation: 60+89=149 Exploring Operation: 89-60=29, Resulting Numbers: [51, 29] Generated Node #0,0,2: 96:[51, 29] Operation: 89-60=29 Exploring Operation: 89-51=38, Resulting Numbers: [60, 38] Generated Node #0,0,3: 96:[60, 38] Operation: 89-51=38 Exploring Operation: 60+51=111, Resulting Numbers: [89, 111] Generated Node #0,0,4: 96:[89, 111] Operation: 60+51=111 Moving to Node #0,2,1 Current State: 96:[4, 94], Operations: ['60-51=9', '85+9=94'] Exploring Operation: 4*94=376, Resulting Numbers: [376] 376,96 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,96 unequal: No Solution Moving to Node #0,4,0 Current State: 96:[15, 34], Operations: ['60/4=15', '85-51=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,96 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[51, 29], Operations: ['85+4=89', '89-60=29'] Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,96 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,96 unequal: No Solution Moving to Node #0,4,3 Current State: 96:[51, 100], Operations: ['60/4=15', '85+15=100'] Exploring Operation: 51*100=5100, Resulting Numbers: [5100] 5100,96 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 51+100=151, Resulting Numbers: [151] 151,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[89, 9], Operations: ['85+4=89', '60-51=9'] Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,96 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[9, 89], Operations: ['60-51=9', '85+4=89'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 9+89=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 9*89=801, Resulting Numbers: [801] 801,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[85, 5], Operations: ['60-51=9', '9-4=5'] Exploring Operation: 85+5=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 85*5=425, Resulting Numbers: [425] 425,96 unequal: No Solution Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[85, 13], Operations: ['60-51=9', '4+9=13'] Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,96 unequal: No Solution Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,96 unequal: No Solution Moving to Node #0,2,4 Current State: 96:[85, 36], Operations: ['60-51=9', '4*9=36'] Exploring Operation: 85+36=121, Resulting Numbers: [121] 121,96 unequal: No Solution Exploring Operation: 85*36=3060, Resulting Numbers: [3060] 3060,96 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,96 unequal: No Solution Moving to Node #0,4,4 Current State: 96:[85, 36], Operations: ['60/4=15', '51-15=36'] Exploring Operation: 85*36=3060, Resulting Numbers: [3060] 3060,96 unequal: No Solution Exploring Operation: 85+36=121, Resulting Numbers: [121] 121,96 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[60, 38], Operations: ['85+4=89', '89-51=38'] Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,96 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,96 unequal: No Solution Moving to Node #0,0,4 Current State: 96:[89, 111], Operations: ['85+4=89', '60+51=111'] Exploring Operation: 89+111=200, Resulting Numbers: [200] 200,96 unequal: No Solution Exploring Operation: 111-89=22, Resulting Numbers: [22] 22,96 unequal: No Solution Exploring Operation: 89*111=9879, Resulting Numbers: [9879] 9879,96 unequal: No Solution Moving to Node #0,4,2 Current State: 96:[51, 70], Operations: ['60/4=15', '85-15=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,96 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,96 unequal: No Solution Moving to Node #0,4,1 Current State: 96:[85, 66], Operations: ['60/4=15', '51+15=66'] Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,96 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,96 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[51, 149], Operations: ['85+4=89', '60+89=149'] Exploring Operation: 51+149=200, Resulting Numbers: [200] 200,96 unequal: No Solution Exploring Operation: 149-51=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 51*149=7599, Resulting Numbers: [7599] 7599,96 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 6, 8, 69, 96 ]
59
[ "96/6=16", "8*16=128", "128-69=59" ]
Current State: 59:[6, 8, 69, 96], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [8, 69, 16] Generated Node #2: [8, 69, 16] from Operation: 96/6=16 Current State: 59:[8, 69, 16], Operations: ['96/6=16'] Exploring Operation: 8*16=128, Resulting Numbers: [69, 128] Generated Node #3: [69, 128] from Operation: 8*16=128 Current State: 59:[69, 128], Operations: ['96/6=16', '8*16=128'] Exploring Operation: 128-69=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[6, 8, 69, 96], Operations: [] Exploring Operation: 6+8=14, Resulting Numbers: [69, 96, 14] Generated Node #0,0: 59:[69, 96, 14] Operation: 6+8=14 Exploring Operation: 6*8=48, Resulting Numbers: [69, 96, 48] Generated Node #0,1: 59:[69, 96, 48] Operation: 6*8=48 Moving to Node #0,1 Current State: 59:[69, 96, 48], Operations: ['6*8=48'] Exploring Operation: 96-48=48, Resulting Numbers: [69, 48] Generated Node #0,1,0: 59:[69, 48] Operation: 96-48=48 Exploring Operation: 96-69=27, Resulting Numbers: [48, 27] Generated Node #0,1,1: 59:[48, 27] Operation: 96-69=27 Moving to Node #0,0 Current State: 59:[69, 96, 14], Operations: ['6+8=14'] Exploring Operation: 96-14=82, Resulting Numbers: [69, 82] Generated Node #0,0,0: 59:[69, 82] Operation: 96-14=82 Exploring Operation: 69-14=55, Resulting Numbers: [96, 55] Generated Node #0,0,1: 59:[96, 55] Operation: 69-14=55 Moving to Node #0,1,0 Current State: 59:[69, 48], Operations: ['6*8=48', '96-48=48'] Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 69+48=117, Resulting Numbers: [117] 117,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[69, 82], Operations: ['6+8=14', '96-14=82'] Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,59 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[96, 55], Operations: ['6+8=14', '69-14=55'] Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[48, 27], Operations: ['6*8=48', '96-69=27'] Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,59 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 34, 17, 32, 13 ]
29
[ "34/17=2", "32/2=16", "13+16=29" ]
Current State: 29:[34, 17, 32, 13], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [32, 13, 2] Generated Node #2: [32, 13, 2] from Operation: 34/17=2 Current State: 29:[32, 13, 2], Operations: ['34/17=2'] Exploring Operation: 32/2=16, Resulting Numbers: [13, 16] Generated Node #3: [13, 16] from Operation: 32/2=16 Current State: 29:[13, 16], Operations: ['34/17=2', '32/2=16'] Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[34, 17, 32, 13], Operations: [] Exploring Operation: 34-13=21, Resulting Numbers: [17, 32, 21] Generated Node #0,0: 29:[17, 32, 21] Operation: 34-13=21 Exploring Operation: 17+13=30, Resulting Numbers: [34, 32, 30] Generated Node #0,1: 29:[34, 32, 30] Operation: 17+13=30 Exploring Operation: 32-13=19, Resulting Numbers: [34, 17, 19] Generated Node #0,2: 29:[34, 17, 19] Operation: 32-13=19 Moving to Node #0,1 Current State: 29:[34, 32, 30], Operations: ['17+13=30'] Exploring Operation: 34-32=2, Resulting Numbers: [30, 2] Generated Node #0,1,0: 29:[30, 2] Operation: 34-32=2 Exploring Operation: 32-30=2, Resulting Numbers: [34, 2] Generated Node #0,1,1: 29:[34, 2] Operation: 32-30=2 Exploring Operation: 34-30=4, Resulting Numbers: [32, 4] Generated Node #0,1,2: 29:[32, 4] Operation: 34-30=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[30, 2], Operations: ['17+13=30', '34-32=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,29 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:[32, 4], Operations: ['17+13=30', '34-30=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[34, 2], Operations: ['17+13=30', '32-30=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 29:[17, 32, 21], Operations: ['34-13=21'] Exploring Operation: 17+21=38, Resulting Numbers: [32, 38] Generated Node #0,0,0: 29:[32, 38] Operation: 17+21=38 Exploring Operation: 17+32=49, Resulting Numbers: [21, 49] Generated Node #0,0,1: 29:[21, 49] Operation: 17+32=49 Exploring Operation: 32-17=15, Resulting Numbers: [21, 15] Generated Node #0,0,2: 29:[21, 15] Operation: 32-17=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[32, 38], Operations: ['34-13=21', '17+21=38'] Exploring Operation: 32+38=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 32*38=1216, Resulting Numbers: [1216] 1216,29 unequal: No Solution Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[21, 15], Operations: ['34-13=21', '32-17=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[21, 49], Operations: ['34-13=21', '17+32=49'] Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 21*49=1029, Resulting Numbers: [1029] 1029,29 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:[34, 17, 19], Operations: ['32-13=19'] Exploring Operation: 34-19=15, Resulting Numbers: [17, 15] Generated Node #0,2,0: 29:[17, 15] Operation: 34-19=15 Exploring Operation: 17+19=36, Resulting Numbers: [34, 36] Generated Node #0,2,1: 29:[34, 36] Operation: 17+19=36 Exploring Operation: 34-17=17, Resulting Numbers: [19, 17] Generated Node #0,2,2: 29:[19, 17] Operation: 34-17=17 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[34, 36], Operations: ['32-13=19', '17+19=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,29 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[19, 17], Operations: ['32-13=19', '34-17=17'] Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,29 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[17, 15], Operations: ['32-13=19', '34-19=15'] Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,29 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 75, 60, 5, 37 ]
64
[ "75+60=135", "135/5=27", "37+27=64" ]
Current State: 64:[75, 60, 5, 37], Operations: [] Exploring Operation: 75+60=135, Resulting Numbers: [5, 37, 135] Generated Node #2: [5, 37, 135] from Operation: 75+60=135 Current State: 64:[5, 37, 135], Operations: ['75+60=135'] Exploring Operation: 135/5=27, Resulting Numbers: [37, 27] Generated Node #3: [37, 27] from Operation: 135/5=27 Current State: 64:[37, 27], Operations: ['75+60=135', '135/5=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[75, 60, 5, 37], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [60, 5, 38] Generated Node #0,0: 64:[60, 5, 38] Operation: 75-37=38 Exploring Operation: 75-5=70, Resulting Numbers: [60, 37, 70] Generated Node #0,1: 64:[60, 37, 70] Operation: 75-5=70 Exploring Operation: 75/5=15, Resulting Numbers: [60, 37, 15] Generated Node #0,2: 64:[60, 37, 15] Operation: 75/5=15 Exploring Operation: 75-60=15, Resulting Numbers: [5, 37, 15] Generated Node #0,3: 64:[5, 37, 15] Operation: 75-60=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[5, 37, 15], Operations: ['75-60=15'] Exploring Operation: 15-5=10, Resulting Numbers: [37, 10] Generated Node #0,3,0: 64:[37, 10] Operation: 15-5=10 Exploring Operation: 37-5=32, Resulting Numbers: [15, 32] Generated Node #0,3,1: 64:[15, 32] Operation: 37-5=32 Exploring Operation: 15/5=3, Resulting Numbers: [37, 3] Generated Node #0,3,2: 64:[37, 3] Operation: 15/5=3 Exploring Operation: 37-15=22, Resulting Numbers: [5, 22] Generated Node #0,3,3: 64:[5, 22] Operation: 37-15=22 Moving to Node #0,3,1 Current State: 64:[15, 32], Operations: ['75-60=15', '37-5=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[37, 3], Operations: ['75-60=15', '15/5=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,64 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[5, 22], Operations: ['75-60=15', '37-15=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,64 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[37, 10], Operations: ['75-60=15', '15-5=10'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,64 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,64 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:[60, 37, 15], Operations: ['75/5=15'] Exploring Operation: 60/15=4, Resulting Numbers: [37, 4] Generated Node #0,2,0: 64:[37, 4] Operation: 60/15=4 Exploring Operation: 60+15=75, Resulting Numbers: [37, 75] Generated Node #0,2,1: 64:[37, 75] Operation: 60+15=75 Exploring Operation: 37-15=22, Resulting Numbers: [60, 22] Generated Node #0,2,2: 64:[60, 22] Operation: 37-15=22 Exploring Operation: 60-37=23, Resulting Numbers: [15, 23] Generated Node #0,2,3: 64:[15, 23] Operation: 60-37=23 Moving to Node #0,2,0 Current State: 64:[37, 4], Operations: ['75/5=15', '60/15=4'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[15, 23], Operations: ['75/5=15', '60-37=23'] Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,64 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[60, 22], Operations: ['75/5=15', '37-15=22'] Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 60+22=82, Resulting Numbers: [82] 82,64 unequal: No Solution Exploring Operation: 60*22=1320, Resulting Numbers: [1320] 1320,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[37, 75], Operations: ['75/5=15', '60+15=75'] Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,64 unequal: No Solution Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,64 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,64 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 #0,0 Current State: 64:[60, 5, 38], Operations: ['75-37=38'] Exploring Operation: 60+5=65, Resulting Numbers: [38, 65] Generated Node #0,0,0: 64:[38, 65] Operation: 60+5=65 Exploring Operation: 60-38=22, Resulting Numbers: [5, 22] Generated Node #0,0,1: 64:[5, 22] Operation: 60-38=22 Exploring Operation: 38-5=33, Resulting Numbers: [60, 33] Generated Node #0,0,2: 64:[60, 33] Operation: 38-5=33 Exploring Operation: 60/5=12, Resulting Numbers: [38, 12] Generated Node #0,0,3: 64:[38, 12] Operation: 60/5=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 64:[60, 33], Operations: ['75-37=38', '38-5=33'] Exploring Operation: 60*33=1980, Resulting Numbers: [1980] 1980,64 unequal: No Solution Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,64 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 #0,0,0 Current State: 64:[38, 65], Operations: ['75-37=38', '60+5=65'] Exploring Operation: 38+65=103, Resulting Numbers: [103] 103,64 unequal: No Solution Exploring Operation: 38*65=2470, Resulting Numbers: [2470] 2470,64 unequal: No Solution Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,64 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 #0,0,1 Current State: 64:[5, 22], Operations: ['75-37=38', '60-38=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,64 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,64 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 #0,0,3 Current State: 64:[38, 12], Operations: ['75-37=38', '60/5=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,64 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:[60, 37, 70], Operations: ['75-5=70'] Exploring Operation: 70-60=10, Resulting Numbers: [37, 10] Generated Node #0,1,0: 64:[37, 10] Operation: 70-60=10 Exploring Operation: 60-37=23, Resulting Numbers: [70, 23] Generated Node #0,1,1: 64:[70, 23] Operation: 60-37=23 Exploring Operation: 70-37=33, Resulting Numbers: [60, 33] Generated Node #0,1,2: 64:[60, 33] Operation: 70-37=33 Exploring Operation: 60+37=97, Resulting Numbers: [70, 97] Generated Node #0,1,3: 64:[70, 97] Operation: 60+37=97 Moving to Node #0,1,2 Current State: 64:[60, 33], Operations: ['75-5=70', '70-37=33'] Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 60*33=1980, Resulting Numbers: [1980] 1980,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[37, 10], Operations: ['75-5=70', '70-60=10'] Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,64 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[70, 23], Operations: ['75-5=70', '60-37=23'] Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,64 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[70, 97], Operations: ['75-5=70', '60+37=97'] Exploring Operation: 70*97=6790, Resulting Numbers: [6790] 6790,64 unequal: No Solution Exploring Operation: 97-70=27, Resulting Numbers: [27] 27,64 unequal: No Solution Exploring Operation: 70+97=167, Resulting Numbers: [167] 167,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 8, 57, 28, 50 ]
71
[ "57-8=49", "50-28=22", "49+22=71" ]
Current State: 71:[8, 57, 28, 50], Operations: [] Exploring Operation: 57-8=49, Resulting Numbers: [28, 50, 49] Generated Node #2: [28, 50, 49] from Operation: 57-8=49 Current State: 71:[28, 50, 49], Operations: ['57-8=49'] Exploring Operation: 50-28=22, Resulting Numbers: [49, 22] Generated Node #3: [49, 22] from Operation: 50-28=22 Current State: 71:[49, 22], Operations: ['57-8=49', '50-28=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[8, 57, 28, 50], Operations: [] Exploring Operation: 8+57=65, Resulting Numbers: [28, 50, 65] Generated Node #0,0: 71:[28, 50, 65] Operation: 8+57=65 Moving to Node #0,0 Current State: 71:[28, 50, 65], Operations: ['8+57=65'] Exploring Operation: 28+50=78, Resulting Numbers: [65, 78] Generated Node #0,0,0: 71:[65, 78] Operation: 28+50=78 Moving to Node #0,0,0 Current State: 71:[65, 78], Operations: ['8+57=65', '28+50=78'] Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,71 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 1, 8, 8, 38 ]
54
[ "1*8=8", "8+38=46", "8+46=54" ]
Current State: 54:[1, 8, 8, 38], Operations: [] Exploring Operation: 1*8=8, Resulting Numbers: [38, 8] Generated Node #2: [38, 8] from Operation: 1*8=8 Current State: 54:[38, 8], Operations: ['1*8=8'] Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,54 equal: Goal Reached Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[1, 8, 8, 38], Operations: [] Exploring Operation: 38-8=30, Resulting Numbers: [1, 8, 30] Generated Node #0,0: 54:[1, 8, 30] Operation: 38-8=30 Exploring Operation: 38-8=30, Resulting Numbers: [1, 8, 30] Generated Node #0,1: 54:[1, 8, 30] Operation: 38-8=30 Moving to Node #0,0 Current State: 54:[1, 8, 30], Operations: ['38-8=30'] Exploring Operation: 30-1=29, Resulting Numbers: [8, 29] Generated Node #0,0,0: 54:[8, 29] Operation: 30-1=29 Exploring Operation: 1+8=9, Resulting Numbers: [30, 9] Generated Node #0,0,1: 54:[30, 9] Operation: 1+8=9 Moving to Node #0,1 Current State: 54:[1, 8, 30], Operations: ['38-8=30'] Exploring Operation: 30-1=29, Resulting Numbers: [8, 29] Generated Node #0,1,0: 54:[8, 29] Operation: 30-1=29 Exploring Operation: 1+8=9, Resulting Numbers: [30, 9] Generated Node #0,1,1: 54:[30, 9] Operation: 1+8=9 Moving to Node #0,0,0 Current State: 54:[8, 29], Operations: ['38-8=30', '30-1=29'] Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[8, 29], Operations: ['38-8=30', '30-1=29'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[30, 9], Operations: ['38-8=30', '1+8=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[30, 9], Operations: ['38-8=30', '1+8=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,54 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 95, 82, 9, 93 ]
97
[ "95-82=13", "93-9=84", "13+84=97" ]
Current State: 97:[95, 82, 9, 93], Operations: [] Exploring Operation: 95-82=13, Resulting Numbers: [9, 93, 13] Generated Node #2: [9, 93, 13] from Operation: 95-82=13 Current State: 97:[9, 93, 13], Operations: ['95-82=13'] Exploring Operation: 93-9=84, Resulting Numbers: [13, 84] Generated Node #3: [13, 84] from Operation: 93-9=84 Current State: 97:[13, 84], Operations: ['95-82=13', '93-9=84'] Exploring Operation: 13+84=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[95, 82, 9, 93], Operations: [] Exploring Operation: 82+9=91, Resulting Numbers: [95, 93, 91] Generated Node #0,0: 97:[95, 93, 91] Operation: 82+9=91 Moving to Node #0,0 Current State: 97:[95, 93, 91], Operations: ['82+9=91'] Exploring Operation: 93+91=184, Resulting Numbers: [95, 184] Generated Node #0,0,0: 97:[95, 184] Operation: 93+91=184 Moving to Node #0,0,0 Current State: 97:[95, 184], Operations: ['82+9=91', '93+91=184'] Exploring Operation: 184-95=89, Resulting Numbers: [89] 89,97 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 83, 6, 74, 22 ]
99
[ "74+22=96", "96/6=16", "83+16=99" ]
Current State: 99:[83, 6, 74, 22], Operations: [] Exploring Operation: 74+22=96, Resulting Numbers: [83, 6, 96] Generated Node #2: [83, 6, 96] from Operation: 74+22=96 Current State: 99:[83, 6, 96], Operations: ['74+22=96'] Exploring Operation: 96/6=16, Resulting Numbers: [83, 16] Generated Node #3: [83, 16] from Operation: 96/6=16 Current State: 99:[83, 16], Operations: ['74+22=96', '96/6=16'] Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[83, 6, 74, 22], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [6, 22, 9] Generated Node #0,0: 99:[6, 22, 9] Operation: 83-74=9 Exploring Operation: 74+22=96, Resulting Numbers: [83, 6, 96] Generated Node #0,1: 99:[83, 6, 96] Operation: 74+22=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[6, 22, 9], Operations: ['83-74=9'] Exploring Operation: 22-6=16, Resulting Numbers: [9, 16] Generated Node #0,0,0: 99:[9, 16] Operation: 22-6=16 Exploring Operation: 6+22=28, Resulting Numbers: [9, 28] Generated Node #0,0,1: 99:[9, 28] Operation: 6+22=28 Moving to Node #0,0,0 Current State: 99:[9, 16], Operations: ['83-74=9', '22-6=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[9, 28], Operations: ['83-74=9', '6+22=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[83, 6, 96], Operations: ['74+22=96'] Exploring Operation: 83+6=89, Resulting Numbers: [96, 89] Generated Node #0,1,0: 99:[96, 89] Operation: 83+6=89 Exploring Operation: 96-83=13, Resulting Numbers: [6, 13] Generated Node #0,1,1: 99:[6, 13] Operation: 96-83=13 Moving to Node #0,1,1 Current State: 99:[6, 13], Operations: ['74+22=96', '96-83=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[96, 89], Operations: ['74+22=96', '83+6=89'] Exploring Operation: 96-89=7, Resulting Numbers: [7] 7,99 unequal: No Solution Exploring Operation: 96+89=185, Resulting Numbers: [185] 185,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 83, 49, 13, 98 ]
72
[ "83-13=70", "98/49=2", "70+2=72" ]
Current State: 72:[83, 49, 13, 98], Operations: [] Exploring Operation: 83-13=70, Resulting Numbers: [49, 98, 70] Generated Node #2: [49, 98, 70] from Operation: 83-13=70 Current State: 72:[49, 98, 70], Operations: ['83-13=70'] Exploring Operation: 98/49=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 98/49=2 Current State: 72:[70, 2], Operations: ['83-13=70', '98/49=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[83, 49, 13, 98], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [83, 13, 49] Generated Node #0,0: 72:[83, 13, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [83, 13, 2] Generated Node #0,1: 72:[83, 13, 2] Operation: 98/49=2 Exploring Operation: 98-83=15, Resulting Numbers: [49, 13, 15] Generated Node #0,2: 72:[49, 13, 15] Operation: 98-83=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[83, 13, 2], Operations: ['98/49=2'] Exploring Operation: 83-13=70, Resulting Numbers: [2, 70] Generated Node #0,1,0: 72:[2, 70] Operation: 83-13=70 Exploring Operation: 13-2=11, Resulting Numbers: [83, 11] Generated Node #0,1,1: 72:[83, 11] Operation: 13-2=11 Exploring Operation: 83-2=81, Resulting Numbers: [13, 81] Generated Node #0,1,2: 72:[13, 81] Operation: 83-2=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[2, 70], Operations: ['98/49=2', '83-13=70'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[83, 49, 13, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [83, 13, 2] Generated Node #0,1: 72:[83, 13, 2] Operation: 98/49=2 Moving to Node #0,1 Current State: 72:[83, 13, 2], Operations: ['98/49=2'] Exploring Operation: 83-13=70, Resulting Numbers: [2, 70] Generated Node #0,1,0: 72:[2, 70] Operation: 83-13=70 Moving to Node #0,1,0 Current State: 72:[2, 70], Operations: ['98/49=2', '83-13=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 16, 51, 43, 49 ]
35
[ "51-49=2", "16/2=8", "43-8=35" ]
Current State: 35:[16, 51, 43, 49], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [16, 43, 2] Generated Node #2: [16, 43, 2] from Operation: 51-49=2 Current State: 35:[16, 43, 2], Operations: ['51-49=2'] Exploring Operation: 16/2=8, Resulting Numbers: [43, 8] Generated Node #3: [43, 8] from Operation: 16/2=8 Current State: 35:[43, 8], Operations: ['51-49=2', '16/2=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[16, 51, 43, 49], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [16, 49, 8] Generated Node #0,0: 35:[16, 49, 8] Operation: 51-43=8 Exploring Operation: 51-16=35, Resulting Numbers: [43, 49, 35] Generated Node #0,1: 35:[43, 49, 35] Operation: 51-16=35 Exploring Operation: 49-16=33, Resulting Numbers: [51, 43, 33] Generated Node #0,2: 35:[51, 43, 33] Operation: 49-16=33 Exploring Operation: 51-49=2, Resulting Numbers: [16, 43, 2] Generated Node #0,3: 35:[16, 43, 2] Operation: 51-49=2 Moving to Node #0,3 Current State: 35:[16, 43, 2], Operations: ['51-49=2'] Exploring Operation: 43-16=27, Resulting Numbers: [2, 27] Generated Node #0,3,0: 35:[2, 27] Operation: 43-16=27 Exploring Operation: 16-2=14, Resulting Numbers: [43, 14] Generated Node #0,3,1: 35:[43, 14] Operation: 16-2=14 Exploring Operation: 16*2=32, Resulting Numbers: [43, 32] Generated Node #0,3,2: 35:[43, 32] Operation: 16*2=32 Exploring Operation: 16/2=8, Resulting Numbers: [43, 8] Generated Node #0,3,3: 35:[43, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[43, 8], Operations: ['51-49=2', '16/2=8'] Exploring Operation: 43*8=344, Resulting Numbers: [344] 344,35 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[16, 51, 43, 49], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [16, 43, 2] Generated Node #0,3: 35:[16, 43, 2] Operation: 51-49=2 Moving to Node #0,3 Current State: 35:[16, 43, 2], Operations: ['51-49=2'] Exploring Operation: 16/2=8, Resulting Numbers: [43, 8] Generated Node #0,3,3: 35:[43, 8] Operation: 16/2=8 Moving to Node #0,3,3 Current State: 35:[43, 8], Operations: ['51-49=2', '16/2=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 25, 61, 75, 60 ]
45
[ "61-25=36", "75*36=2700", "2700/60=45" ]
Current State: 45:[25, 61, 75, 60], Operations: [] Exploring Operation: 61-25=36, Resulting Numbers: [75, 60, 36] Generated Node #2: [75, 60, 36] from Operation: 61-25=36 Current State: 45:[75, 60, 36], Operations: ['61-25=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [60, 2700] Generated Node #3: [60, 2700] from Operation: 75*36=2700 Current State: 45:[60, 2700], Operations: ['61-25=36', '75*36=2700'] Exploring Operation: 2700/60=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[25, 61, 75, 60], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [25, 61, 15] Generated Node #0,0: 45:[25, 61, 15] Operation: 75-60=15 Exploring Operation: 75/25=3, Resulting Numbers: [61, 60, 3] Generated Node #0,1: 45:[61, 60, 3] Operation: 75/25=3 Exploring Operation: 75-61=14, Resulting Numbers: [25, 60, 14] Generated Node #0,2: 45:[25, 60, 14] Operation: 75-61=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[25, 61, 15], Operations: ['75-60=15'] Exploring Operation: 61-15=46, Resulting Numbers: [25, 46] Generated Node #0,0,0: 45:[25, 46] Operation: 61-15=46 Exploring Operation: 25-15=10, Resulting Numbers: [61, 10] Generated Node #0,0,1: 45:[61, 10] Operation: 25-15=10 Exploring Operation: 61-25=36, Resulting Numbers: [15, 36] Generated Node #0,0,2: 45:[15, 36] Operation: 61-25=36 Moving to Node #0,0,2 Current State: 45:[15, 36], Operations: ['75-60=15', '61-25=36'] Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,45 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[25, 46], Operations: ['75-60=15', '61-15=46'] Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[61, 10], Operations: ['75-60=15', '25-15=10'] Exploring Operation: 61+10=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 61*10=610, Resulting Numbers: [610] 610,45 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,45 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 #0,2 Current State: 45:[25, 60, 14], Operations: ['75-61=14'] Exploring Operation: 60-14=46, Resulting Numbers: [25, 46] Generated Node #0,2,0: 45:[25, 46] Operation: 60-14=46 Exploring Operation: 60-25=35, Resulting Numbers: [14, 35] Generated Node #0,2,1: 45:[14, 35] Operation: 60-25=35 Exploring Operation: 25-14=11, Resulting Numbers: [60, 11] Generated Node #0,2,2: 45:[60, 11] Operation: 25-14=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[25, 46], Operations: ['75-61=14', '60-14=46'] Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,45 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,45 unequal: No Solution No 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: 45:[14, 35], Operations: ['75-61=14', '60-25=35'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 14*35=490, Resulting Numbers: [490] 490,45 unequal: No Solution Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,45 unequal: No Solution No 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: 45:[60, 11], Operations: ['75-61=14', '25-14=11'] Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,45 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,45 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: 45:[61, 60, 3], Operations: ['75/25=3'] Exploring Operation: 60/3=20, Resulting Numbers: [61, 20] Generated Node #0,1,0: 45:[61, 20] Operation: 60/3=20 Exploring Operation: 61-3=58, Resulting Numbers: [60, 58] Generated Node #0,1,1: 45:[60, 58] Operation: 61-3=58 Exploring Operation: 61-60=1, Resulting Numbers: [3, 1] Generated Node #0,1,2: 45:[3, 1] Operation: 61-60=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[3, 1], Operations: ['75/25=3', '61-60=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,45 unequal: No Solution No 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: 45:[61, 20], Operations: ['75/25=3', '60/3=20'] Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,45 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,45 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,45 unequal: No Solution No 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: 45:[60, 58], Operations: ['75/25=3', '61-3=58'] Exploring Operation: 60+58=118, Resulting Numbers: [118] 118,45 unequal: No Solution Exploring Operation: 60*58=3480, Resulting Numbers: [3480] 3480,45 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,45 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
[ 57, 3, 38, 48 ]
50
[ "57+3=60", "48-38=10", "60-10=50" ]
Current State: 50:[57, 3, 38, 48], Operations: [] Exploring Operation: 57+3=60, Resulting Numbers: [38, 48, 60] Generated Node #2: [38, 48, 60] from Operation: 57+3=60 Current State: 50:[38, 48, 60], Operations: ['57+3=60'] Exploring Operation: 48-38=10, Resulting Numbers: [60, 10] Generated Node #3: [60, 10] from Operation: 48-38=10 Current State: 50:[60, 10], Operations: ['57+3=60', '48-38=10'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[57, 3, 38, 48], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [3, 38, 9] Generated Node #0,0: 50:[3, 38, 9] Operation: 57-48=9 Exploring Operation: 48-38=10, Resulting Numbers: [57, 3, 10] Generated Node #0,1: 50:[57, 3, 10] Operation: 48-38=10 Exploring Operation: 57-38=19, Resulting Numbers: [3, 48, 19] Generated Node #0,2: 50:[3, 48, 19] Operation: 57-38=19 Moving to Node #0,1 Current State: 50:[57, 3, 10], Operations: ['48-38=10'] Exploring Operation: 57-10=47, Resulting Numbers: [3, 47] Generated Node #0,1,0: 50:[3, 47] Operation: 57-10=47 Exploring Operation: 57-3=54, Resulting Numbers: [10, 54] Generated Node #0,1,1: 50:[10, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [10, 19] Generated Node #0,1,2: 50:[10, 19] Operation: 57/3=19 Moving to Node #0,2 Current State: 50:[3, 48, 19], Operations: ['57-38=19'] Exploring Operation: 3+19=22, Resulting Numbers: [48, 22] Generated Node #0,2,0: 50:[48, 22] Operation: 3+19=22 Exploring Operation: 3+48=51, Resulting Numbers: [19, 51] Generated Node #0,2,1: 50:[19, 51] Operation: 3+48=51 Exploring Operation: 48-19=29, Resulting Numbers: [3, 29] Generated Node #0,2,2: 50:[3, 29] Operation: 48-19=29 Moving to Node #0,0 Current State: 50:[3, 38, 9], Operations: ['57-48=9'] Exploring Operation: 3+38=41, Resulting Numbers: [9, 41] Generated Node #0,0,0: 50:[9, 41] Operation: 3+38=41 Exploring Operation: 38-9=29, Resulting Numbers: [3, 29] Generated Node #0,0,1: 50:[3, 29] Operation: 38-9=29 Exploring Operation: 38+9=47, Resulting Numbers: [3, 47] Generated Node #0,0,2: 50:[3, 47] Operation: 38+9=47 Moving to Node #0,1,0 Current State: 50:[3, 47], Operations: ['48-38=10', '57-10=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[57, 3, 38, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [57, 3, 10] Generated Node #0,1: 50:[57, 3, 10] Operation: 48-38=10 Moving to Node #0,1 Current State: 50:[57, 3, 10], Operations: ['48-38=10'] Exploring Operation: 57-10=47, Resulting Numbers: [3, 47] Generated Node #0,1,0: 50:[3, 47] Operation: 57-10=47 Moving to Node #0,1,0 Current State: 50:[3, 47], Operations: ['48-38=10', '57-10=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 52, 37, 12, 20 ]
25
[ "52-37=15", "20*15=300", "300/12=25" ]
Current State: 25:[52, 37, 12, 20], Operations: [] Exploring Operation: 52-37=15, Resulting Numbers: [12, 20, 15] Generated Node #2: [12, 20, 15] from Operation: 52-37=15 Current State: 25:[12, 20, 15], Operations: ['52-37=15'] Exploring Operation: 20*15=300, Resulting Numbers: [12, 300] Generated Node #3: [12, 300] from Operation: 20*15=300 Current State: 25:[12, 300], Operations: ['52-37=15', '20*15=300'] Exploring Operation: 300/12=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[52, 37, 12, 20], Operations: [] Exploring Operation: 52-37=15, Resulting Numbers: [12, 20, 15] Generated Node #0,0: 25:[12, 20, 15] Operation: 52-37=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[12, 20, 15], Operations: ['52-37=15'] Exploring Operation: 12+15=27, Resulting Numbers: [20, 27] Generated Node #0,0,0: 25:[20, 27] Operation: 12+15=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[20, 27], Operations: ['52-37=15', '12+15=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 26, 38, 82 ]
56
[ "26-14=12", "82-38=44", "12+44=56" ]
Current State: 56:[14, 26, 38, 82], Operations: [] Exploring Operation: 26-14=12, Resulting Numbers: [38, 82, 12] Generated Node #2: [38, 82, 12] from Operation: 26-14=12 Current State: 56:[38, 82, 12], Operations: ['26-14=12'] Exploring Operation: 82-38=44, Resulting Numbers: [12, 44] Generated Node #3: [12, 44] from Operation: 82-38=44 Current State: 56:[12, 44], Operations: ['26-14=12', '82-38=44'] Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[14, 26, 38, 82], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [14, 38, 56] Generated Node #0,0: 56:[14, 38, 56] Operation: 82-26=56 Exploring Operation: 14+38=52, Resulting Numbers: [26, 82, 52] Generated Node #0,1: 56:[26, 82, 52] Operation: 14+38=52 Exploring Operation: 82-14=68, Resulting Numbers: [26, 38, 68] Generated Node #0,2: 56:[26, 38, 68] Operation: 82-14=68 Exploring Operation: 38-26=12, Resulting Numbers: [14, 82, 12] Generated Node #0,3: 56:[14, 82, 12] Operation: 38-26=12 Exploring Operation: 82-38=44, Resulting Numbers: [14, 26, 44] Generated Node #0,4: 56:[14, 26, 44] Operation: 82-38=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[14, 38, 56], Operations: ['82-26=56'] Exploring Operation: 38-14=24, Resulting Numbers: [56, 24] Generated Node #0,0,0: 56:[56, 24] Operation: 38-14=24 Exploring Operation: 14+38=52, Resulting Numbers: [56, 52] Generated Node #0,0,1: 56:[56, 52] Operation: 14+38=52 Exploring Operation: 56/14=4, Resulting Numbers: [38, 4] Generated Node #0,0,2: 56:[38, 4] Operation: 56/14=4 Exploring Operation: 14+56=70, Resulting Numbers: [38, 70] Generated Node #0,0,3: 56:[38, 70] Operation: 14+56=70 Exploring Operation: 56-38=18, Resulting Numbers: [14, 18] Generated Node #0,0,4: 56:[14, 18] Operation: 56-38=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[56, 24], Operations: ['82-26=56', '38-14=24'] Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,56 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[56, 52], Operations: ['82-26=56', '14+38=52'] Exploring Operation: 56*52=2912, Resulting Numbers: [2912] 2912,56 unequal: No Solution Exploring Operation: 56+52=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 56:[14, 18], Operations: ['82-26=56', '56-38=18'] Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,56 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 56:[38, 4], Operations: ['82-26=56', '56/14=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,56 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 56:[38, 70], Operations: ['82-26=56', '14+56=70'] Exploring Operation: 38*70=2660, Resulting Numbers: [2660] 2660,56 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,56 unequal: No Solution Exploring Operation: 38+70=108, Resulting Numbers: [108] 108,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 56:[14, 26, 44], Operations: ['82-38=44'] Exploring Operation: 44-26=18, Resulting Numbers: [14, 18] Generated Node #0,4,0: 56:[14, 18] Operation: 44-26=18 Exploring Operation: 44-14=30, Resulting Numbers: [26, 30] Generated Node #0,4,1: 56:[26, 30] Operation: 44-14=30 Exploring Operation: 14+44=58, Resulting Numbers: [26, 58] Generated Node #0,4,2: 56:[26, 58] Operation: 14+44=58 Exploring Operation: 26-14=12, Resulting Numbers: [44, 12] Generated Node #0,4,3: 56:[44, 12] Operation: 26-14=12 Exploring Operation: 26+44=70, Resulting Numbers: [14, 70] Generated Node #0,4,4: 56:[14, 70] Operation: 26+44=70 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 56:[14, 18], Operations: ['82-38=44', '44-26=18'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,56 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 56:[26, 30], Operations: ['82-38=44', '44-14=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,56 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[14, 26, 38, 82], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [14, 26, 44] Generated Node #0,4: 56:[14, 26, 44] Operation: 82-38=44 Moving to Node #0,4 Current State: 56:[14, 26, 44], Operations: ['82-38=44'] Exploring Operation: 44-14=30, Resulting Numbers: [26, 30] Generated Node #0,4,1: 56:[26, 30] Operation: 44-14=30 Moving to Node #0,4,1 Current State: 56:[26, 30], Operations: ['82-38=44', '44-14=30'] Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 39, 5, 83, 8 ]
72
[ "39-8=31", "5*31=155", "155-83=72" ]
Current State: 72:[39, 5, 83, 8], Operations: [] Exploring Operation: 39-8=31, Resulting Numbers: [5, 83, 31] Generated Node #2: [5, 83, 31] from Operation: 39-8=31 Current State: 72:[5, 83, 31], Operations: ['39-8=31'] Exploring Operation: 5*31=155, Resulting Numbers: [83, 155] Generated Node #3: [83, 155] from Operation: 5*31=155 Current State: 72:[83, 155], Operations: ['39-8=31', '5*31=155'] Exploring Operation: 155-83=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[39, 5, 83, 8], Operations: [] Exploring Operation: 83-39=44, Resulting Numbers: [5, 8, 44] Generated Node #0,0: 72:[5, 8, 44] Operation: 83-39=44 Exploring Operation: 83-5=78, Resulting Numbers: [39, 8, 78] Generated Node #0,1: 72:[39, 8, 78] Operation: 83-5=78 Exploring Operation: 83-8=75, Resulting Numbers: [39, 5, 75] Generated Node #0,2: 72:[39, 5, 75] Operation: 83-8=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[39, 5, 75], Operations: ['83-8=75'] Exploring Operation: 75-5=70, Resulting Numbers: [39, 70] Generated Node #0,2,0: 72:[39, 70] Operation: 75-5=70 Exploring Operation: 39-5=34, Resulting Numbers: [75, 34] Generated Node #0,2,1: 72:[75, 34] Operation: 39-5=34 Exploring Operation: 75-39=36, Resulting Numbers: [5, 36] Generated Node #0,2,2: 72:[5, 36] Operation: 75-39=36 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[5, 36], Operations: ['83-8=75', '75-39=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,72 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[39, 70], Operations: ['83-8=75', '75-5=70'] Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,72 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,72 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[75, 34], Operations: ['83-8=75', '39-5=34'] Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,72 unequal: No Solution Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[5, 8, 44], Operations: ['83-39=44'] Exploring Operation: 44-8=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 72:[5, 36] Operation: 44-8=36 Exploring Operation: 44-5=39, Resulting Numbers: [8, 39] Generated Node #0,0,1: 72:[8, 39] Operation: 44-5=39 Exploring Operation: 8-5=3, Resulting Numbers: [44, 3] Generated Node #0,0,2: 72:[44, 3] Operation: 8-5=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[5, 36], Operations: ['83-39=44', '44-8=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,72 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[8, 39], Operations: ['83-39=44', '44-5=39'] Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,72 unequal: No Solution Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,72 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 72:[44, 3], Operations: ['83-39=44', '8-5=3'] Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,72 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[39, 8, 78], Operations: ['83-5=78'] Exploring Operation: 78-39=39, Resulting Numbers: [8, 39] Generated Node #0,1,0: 72:[8, 39] Operation: 78-39=39 Exploring Operation: 78-8=70, Resulting Numbers: [39, 70] Generated Node #0,1,1: 72:[39, 70] Operation: 78-8=70 Exploring Operation: 78/39=2, Resulting Numbers: [8, 2] Generated Node #0,1,2: 72:[8, 2] Operation: 78/39=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[8, 2], Operations: ['83-5=78', '78/39=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[8, 39], Operations: ['83-5=78', '78-39=39'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,72 unequal: No Solution Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[39, 70], Operations: ['83-5=78', '78-8=70'] Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,72 unequal: No Solution Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 79, 68, 79, 95 ]
27
[ "79+68=147", "79+95=174", "174-147=27" ]
Current State: 27:[79, 68, 79, 95], Operations: [] Exploring Operation: 79+68=147, Resulting Numbers: [95, 147] Generated Node #2: [95, 147] from Operation: 79+68=147 Current State: 27:[95, 147], Operations: ['79+68=147'] Exploring Operation: 79+95=174, Resulting Numbers: [147, 174] Generated Node #3: [147, 174] from Operation: 79+95=174 Current State: 27:[147, 174], Operations: ['79+68=147', '79+95=174'] Exploring Operation: 174-147=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[79, 68, 79, 95], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [68, 79, 16] Generated Node #0,0: 27:[68, 79, 16] Operation: 95-79=16 Exploring Operation: 95-68=27, Resulting Numbers: [79, 79, 27] Generated Node #0,1: 27:[79, 79, 27] Operation: 95-68=27 Exploring Operation: 95-79=16, Resulting Numbers: [79, 68, 16] Generated Node #0,2: 27:[79, 68, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 27:[68, 79, 16], Operations: ['95-79=16'] Exploring Operation: 79-68=11, Resulting Numbers: [16, 11] Generated Node #0,0,0: 27:[16, 11] Operation: 79-68=11 Exploring Operation: 79-16=63, Resulting Numbers: [68, 63] Generated Node #0,0,1: 27:[68, 63] Operation: 79-16=63 Exploring Operation: 68-16=52, Resulting Numbers: [79, 52] Generated Node #0,0,2: 27:[79, 52] Operation: 68-16=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[16, 11], Operations: ['95-79=16', '79-68=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[79, 68, 79, 95], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [68, 79, 16] Generated Node #0,0: 27:[68, 79, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 27:[68, 79, 16], Operations: ['95-79=16'] Exploring Operation: 79-68=11, Resulting Numbers: [16, 11] Generated Node #0,0,0: 27:[16, 11] Operation: 79-68=11 Moving to Node #0,0,0 Current State: 27:[16, 11], Operations: ['95-79=16', '79-68=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 27, 4, 36, 66 ]
93
[ "66-36=30", "4*30=120", "120-27=93" ]
Current State: 93:[27, 4, 36, 66], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [27, 4, 30] Generated Node #2: [27, 4, 30] from Operation: 66-36=30 Current State: 93:[27, 4, 30], Operations: ['66-36=30'] Exploring Operation: 4*30=120, Resulting Numbers: [27, 120] Generated Node #3: [27, 120] from Operation: 4*30=120 Current State: 93:[27, 120], Operations: ['66-36=30', '4*30=120'] Exploring Operation: 120-27=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[27, 4, 36, 66], Operations: [] Exploring Operation: 27+66=93, Resulting Numbers: [4, 36, 93] Generated Node #0,0: 93:[4, 36, 93] Operation: 27+66=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[4, 36, 93], Operations: ['27+66=93'] Exploring Operation: 36-4=32, Resulting Numbers: [93, 32] Generated Node #0,0,0: 93:[93, 32] Operation: 36-4=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[93, 32], Operations: ['27+66=93', '36-4=32'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,93 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
[ 26, 57, 36, 30 ]
87
[ "30-26=4", "36*4=144", "144-57=87" ]
Current State: 87:[26, 57, 36, 30], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [57, 36, 4] Generated Node #2: [57, 36, 4] from Operation: 30-26=4 Current State: 87:[57, 36, 4], Operations: ['30-26=4'] Exploring Operation: 36*4=144, Resulting Numbers: [57, 144] Generated Node #3: [57, 144] from Operation: 36*4=144 Current State: 87:[57, 144], Operations: ['30-26=4', '36*4=144'] Exploring Operation: 144-57=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[26, 57, 36, 30], Operations: [] Exploring Operation: 57+36=93, Resulting Numbers: [26, 30, 93] Generated Node #0,0: 87:[26, 30, 93] Operation: 57+36=93 Exploring Operation: 57-26=31, Resulting Numbers: [36, 30, 31] Generated Node #0,1: 87:[36, 30, 31] Operation: 57-26=31 Exploring Operation: 57+30=87, Resulting Numbers: [26, 36, 87] Generated Node #0,2: 87:[26, 36, 87] Operation: 57+30=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[26, 30, 93], Operations: ['57+36=93'] Exploring Operation: 93-30=63, Resulting Numbers: [26, 63] Generated Node #0,0,0: 87:[26, 63] Operation: 93-30=63 Exploring Operation: 30-26=4, Resulting Numbers: [93, 4] Generated Node #0,0,1: 87:[93, 4] Operation: 30-26=4 Exploring Operation: 93-26=67, Resulting Numbers: [30, 67] Generated Node #0,0,2: 87:[30, 67] Operation: 93-26=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[93, 4], Operations: ['57+36=93', '30-26=4'] Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,87 unequal: No Solution Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,87 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:[30, 67], Operations: ['57+36=93', '93-26=67'] Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,87 unequal: No Solution Exploring Operation: 30*67=2010, Resulting Numbers: [2010] 2010,87 unequal: No Solution Exploring Operation: 30+67=97, Resulting Numbers: [97] 97,87 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:[26, 63], Operations: ['57+36=93', '93-30=63'] Exploring Operation: 26*63=1638, Resulting Numbers: [1638] 1638,87 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,87 unequal: No Solution Exploring Operation: 26+63=89, Resulting Numbers: [89] 89,87 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 #0,1 Current State: 87:[36, 30, 31], Operations: ['57-26=31'] Exploring Operation: 36-30=6, Resulting Numbers: [31, 6] Generated Node #0,1,0: 87:[31, 6] Operation: 36-30=6 Exploring Operation: 36-31=5, Resulting Numbers: [30, 5] Generated Node #0,1,1: 87:[30, 5] Operation: 36-31=5 Exploring Operation: 31-30=1, Resulting Numbers: [36, 1] Generated Node #0,1,2: 87:[36, 1] Operation: 31-30=1 Moving to Node #0,1,1 Current State: 87:[30, 5], Operations: ['57-26=31', '36-31=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[31, 6], Operations: ['57-26=31', '36-30=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,87 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[36, 1], Operations: ['57-26=31', '31-30=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[26, 36, 87], Operations: ['57+30=87'] Exploring Operation: 87-36=51, Resulting Numbers: [26, 51] Generated Node #0,2,0: 87:[26, 51] Operation: 87-36=51 Exploring Operation: 36-26=10, Resulting Numbers: [87, 10] Generated Node #0,2,1: 87:[87, 10] Operation: 36-26=10 Exploring Operation: 26+36=62, Resulting Numbers: [87, 62] Generated Node #0,2,2: 87:[87, 62] Operation: 26+36=62 Moving to Node #0,2,1 Current State: 87:[87, 10], Operations: ['57+30=87', '36-26=10'] Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,87 unequal: No Solution Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[26, 51], Operations: ['57+30=87', '87-36=51'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 26+51=77, Resulting Numbers: [77] 77,87 unequal: No Solution Exploring Operation: 26*51=1326, Resulting Numbers: [1326] 1326,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[87, 62], Operations: ['57+30=87', '26+36=62'] Exploring Operation: 87+62=149, Resulting Numbers: [149] 149,87 unequal: No Solution Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 87*62=5394, Resulting Numbers: [5394] 5394,87 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
[ 77, 75, 24, 62 ]
84
[ "77-75=2", "24+62=86", "86-2=84" ]
Current State: 84:[77, 75, 24, 62], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [24, 62, 2] Generated Node #2: [24, 62, 2] from Operation: 77-75=2 Current State: 84:[24, 62, 2], Operations: ['77-75=2'] Exploring Operation: 24+62=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 24+62=86 Current State: 84:[2, 86], Operations: ['77-75=2', '24+62=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[77, 75, 24, 62], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [75, 24, 15] Generated Node #0,0: 84:[75, 24, 15] Operation: 77-62=15 Exploring Operation: 75-62=13, Resulting Numbers: [77, 24, 13] Generated Node #0,1: 84:[77, 24, 13] Operation: 75-62=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[77, 24, 13], Operations: ['75-62=13'] Exploring Operation: 24-13=11, Resulting Numbers: [77, 11] Generated Node #0,1,0: 84:[77, 11] Operation: 24-13=11 Exploring Operation: 77+13=90, Resulting Numbers: [24, 90] Generated Node #0,1,1: 84:[24, 90] Operation: 77+13=90 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[77, 11], Operations: ['75-62=13', '24-13=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,84 unequal: No Solution Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[24, 90], Operations: ['75-62=13', '77+13=90'] Exploring Operation: 24+90=114, Resulting Numbers: [114] 114,84 unequal: No Solution Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[75, 24, 15], Operations: ['77-62=15'] Exploring Operation: 75+15=90, Resulting Numbers: [24, 90] Generated Node #0,0,0: 84:[24, 90] Operation: 75+15=90 Exploring Operation: 75/15=5, Resulting Numbers: [24, 5] Generated Node #0,0,1: 84:[24, 5] Operation: 75/15=5 Moving to Node #0,0,1 Current State: 84:[24, 5], Operations: ['77-62=15', '75/15=5'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[24, 90], Operations: ['77-62=15', '75+15=90'] Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,84 unequal: No Solution Exploring Operation: 24+90=114, Resulting Numbers: [114] 114,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 48, 29, 7, 3 ]
91
[ "48/3=16", "29-16=13", "7*13=91" ]
Current State: 91:[48, 29, 7, 3], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [29, 7, 16] Generated Node #2: [29, 7, 16] from Operation: 48/3=16 Current State: 91:[29, 7, 16], Operations: ['48/3=16'] Exploring Operation: 29-16=13, Resulting Numbers: [7, 13] Generated Node #3: [7, 13] from Operation: 29-16=13 Current State: 91:[7, 13], Operations: ['48/3=16', '29-16=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[48, 29, 7, 3], Operations: [] Exploring Operation: 48+29=77, Resulting Numbers: [7, 3, 77] Generated Node #0,0: 91:[7, 3, 77] Operation: 48+29=77 Exploring Operation: 48-7=41, Resulting Numbers: [29, 3, 41] Generated Node #0,1: 91:[29, 3, 41] Operation: 48-7=41 Exploring Operation: 29*3=87, Resulting Numbers: [48, 7, 87] Generated Node #0,2: 91:[48, 7, 87] Operation: 29*3=87 Exploring Operation: 48/3=16, Resulting Numbers: [29, 7, 16] Generated Node #0,3: 91:[29, 7, 16] Operation: 48/3=16 Exploring Operation: 48-29=19, Resulting Numbers: [7, 3, 19] Generated Node #0,4: 91:[7, 3, 19] Operation: 48-29=19 Moving to Node #0,4 Current State: 91:[7, 3, 19], Operations: ['48-29=19'] Exploring Operation: 19-3=16, Resulting Numbers: [7, 16] Generated Node #0,4,0: 91:[7, 16] Operation: 19-3=16 Exploring Operation: 19-7=12, Resulting Numbers: [3, 12] Generated Node #0,4,1: 91:[3, 12] Operation: 19-7=12 Exploring Operation: 7-3=4, Resulting Numbers: [19, 4] Generated Node #0,4,2: 91:[19, 4] Operation: 7-3=4 Exploring Operation: 7+3=10, Resulting Numbers: [19, 10] Generated Node #0,4,3: 91:[19, 10] Operation: 7+3=10 Exploring Operation: 3+19=22, Resulting Numbers: [7, 22] Generated Node #0,4,4: 91:[7, 22] Operation: 3+19=22 Moving to Node #0,0 Current State: 91:[7, 3, 77], Operations: ['48+29=77'] Exploring Operation: 7+77=84, Resulting Numbers: [3, 84] Generated Node #0,0,0: 91:[3, 84] Operation: 7+77=84 Exploring Operation: 7-3=4, Resulting Numbers: [77, 4] Generated Node #0,0,1: 91:[77, 4] Operation: 7-3=4 Exploring Operation: 77/7=11, Resulting Numbers: [3, 11] Generated Node #0,0,2: 91:[3, 11] Operation: 77/7=11 Exploring Operation: 3+77=80, Resulting Numbers: [7, 80] Generated Node #0,0,3: 91:[7, 80] Operation: 3+77=80 Exploring Operation: 7+3=10, Resulting Numbers: [77, 10] Generated Node #0,0,4: 91:[77, 10] Operation: 7+3=10 Moving to Node #0,3 Current State: 91:[29, 7, 16], Operations: ['48/3=16'] Exploring Operation: 29+7=36, Resulting Numbers: [16, 36] Generated Node #0,3,0: 91:[16, 36] Operation: 29+7=36 Exploring Operation: 29-16=13, Resulting Numbers: [7, 13] Generated Node #0,3,1: 91:[7, 13] Operation: 29-16=13 Exploring Operation: 7+16=23, Resulting Numbers: [29, 23] Generated Node #0,3,2: 91:[29, 23] Operation: 7+16=23 Exploring Operation: 16-7=9, Resulting Numbers: [29, 9] Generated Node #0,3,3: 91:[29, 9] Operation: 16-7=9 Exploring Operation: 29-7=22, Resulting Numbers: [16, 22] Generated Node #0,3,4: 91:[16, 22] Operation: 29-7=22 Moving to Node #0,2 Current State: 91:[48, 7, 87], Operations: ['29*3=87'] Exploring Operation: 7+87=94, Resulting Numbers: [48, 94] Generated Node #0,2,0: 91:[48, 94] Operation: 7+87=94 Exploring Operation: 48+87=135, Resulting Numbers: [7, 135] Generated Node #0,2,1: 91:[7, 135] Operation: 48+87=135 Exploring Operation: 48+7=55, Resulting Numbers: [87, 55] Generated Node #0,2,2: 91:[87, 55] Operation: 48+7=55 Exploring Operation: 48-7=41, Resulting Numbers: [87, 41] Generated Node #0,2,3: 91:[87, 41] Operation: 48-7=41 Exploring Operation: 87-48=39, Resulting Numbers: [7, 39] Generated Node #0,2,4: 91:[7, 39] Operation: 87-48=39 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[7, 39], Operations: ['29*3=87', '87-48=39'] Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,91 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[87, 41], Operations: ['29*3=87', '48-7=41'] Exploring Operation: 87+41=128, Resulting Numbers: [128] 128,91 unequal: No Solution Exploring Operation: 87*41=3567, Resulting Numbers: [3567] 3567,91 unequal: No Solution Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[48, 94], Operations: ['29*3=87', '7+87=94'] Exploring Operation: 48+94=142, Resulting Numbers: [142] 142,91 unequal: No Solution Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 48*94=4512, Resulting Numbers: [4512] 4512,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[87, 55], Operations: ['29*3=87', '48+7=55'] Exploring Operation: 87+55=142, Resulting Numbers: [142] 142,91 unequal: No Solution Exploring Operation: 87*55=4785, Resulting Numbers: [4785] 4785,91 unequal: No Solution Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[7, 135], Operations: ['29*3=87', '48+87=135'] Exploring Operation: 7*135=945, Resulting Numbers: [945] 945,91 unequal: No Solution Exploring Operation: 135-7=128, Resulting Numbers: [128] 128,91 unequal: No Solution Exploring Operation: 7+135=142, Resulting Numbers: [142] 142,91 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: 91:[29, 3, 41], Operations: ['48-7=41'] Exploring Operation: 29-3=26, Resulting Numbers: [41, 26] Generated Node #0,1,0: 91:[41, 26] Operation: 29-3=26 Exploring Operation: 41-29=12, Resulting Numbers: [3, 12] Generated Node #0,1,1: 91:[3, 12] Operation: 41-29=12 Exploring Operation: 41-3=38, Resulting Numbers: [29, 38] Generated Node #0,1,2: 91:[29, 38] Operation: 41-3=38 Exploring Operation: 29*3=87, Resulting Numbers: [41, 87] Generated Node #0,1,3: 91:[41, 87] Operation: 29*3=87 Exploring Operation: 29+41=70, Resulting Numbers: [3, 70] Generated Node #0,1,4: 91:[3, 70] Operation: 29+41=70 Moving to Node #0,3,1 Current State: 91:[7, 13], Operations: ['48/3=16', '29-16=13'] Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[48, 29, 7, 3], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [29, 7, 16] Generated Node #0,3: 91:[29, 7, 16] Operation: 48/3=16 Moving to Node #0,3 Current State: 91:[29, 7, 16], Operations: ['48/3=16'] Exploring Operation: 29-16=13, Resulting Numbers: [7, 13] Generated Node #0,3,1: 91:[7, 13] Operation: 29-16=13 Moving to Node #0,3,1 Current State: 91:[7, 13], Operations: ['48/3=16', '29-16=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 16, 29, 43, 11 ]
58
[ "43-11=32", "32/16=2", "29*2=58" ]
Current State: 58:[16, 29, 43, 11], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [16, 29, 32] Generated Node #2: [16, 29, 32] from Operation: 43-11=32 Current State: 58:[16, 29, 32], Operations: ['43-11=32'] Exploring Operation: 32/16=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 32/16=2 Current State: 58:[29, 2], Operations: ['43-11=32', '32/16=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[16, 29, 43, 11], Operations: [] Exploring Operation: 16+11=27, Resulting Numbers: [29, 43, 27] Generated Node #0,0: 58:[29, 43, 27] Operation: 16+11=27 Exploring Operation: 16+43=59, Resulting Numbers: [29, 11, 59] Generated Node #0,1: 58:[29, 11, 59] Operation: 16+43=59 Exploring Operation: 43-16=27, Resulting Numbers: [29, 11, 27] Generated Node #0,2: 58:[29, 11, 27] Operation: 43-16=27 Exploring Operation: 43-11=32, Resulting Numbers: [16, 29, 32] Generated Node #0,3: 58:[16, 29, 32] Operation: 43-11=32 Exploring Operation: 16-11=5, Resulting Numbers: [29, 43, 5] Generated Node #0,4: 58:[29, 43, 5] Operation: 16-11=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[29, 11, 59], Operations: ['16+43=59'] Exploring Operation: 29-11=18, Resulting Numbers: [59, 18] Generated Node #0,1,0: 58:[59, 18] Operation: 29-11=18 Exploring Operation: 11+59=70, Resulting Numbers: [29, 70] Generated Node #0,1,1: 58:[29, 70] Operation: 11+59=70 Exploring Operation: 29+11=40, Resulting Numbers: [59, 40] Generated Node #0,1,2: 58:[59, 40] Operation: 29+11=40 Exploring Operation: 59-29=30, Resulting Numbers: [11, 30] Generated Node #0,1,3: 58:[11, 30] Operation: 59-29=30 Exploring Operation: 59-11=48, Resulting Numbers: [29, 48] Generated Node #0,1,4: 58:[29, 48] Operation: 59-11=48 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 58:[11, 30], Operations: ['16+43=59', '59-29=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,58 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,58 unequal: No Solution No 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: 58:[29, 48], Operations: ['16+43=59', '59-11=48'] Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,58 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,58 unequal: No Solution No 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: 58:[59, 18], Operations: ['16+43=59', '29-11=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,58 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,58 unequal: No Solution No 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: 58:[29, 70], Operations: ['16+43=59', '11+59=70'] Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,58 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,58 unequal: No Solution No 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: 58:[59, 40], Operations: ['16+43=59', '29+11=40'] Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,58 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,58 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: 58:[29, 11, 27], Operations: ['43-16=27'] Exploring Operation: 11+27=38, Resulting Numbers: [29, 38] Generated Node #0,2,0: 58:[29, 38] Operation: 11+27=38 Exploring Operation: 29-27=2, Resulting Numbers: [11, 2] Generated Node #0,2,1: 58:[11, 2] Operation: 29-27=2 Exploring Operation: 29+11=40, Resulting Numbers: [27, 40] Generated Node #0,2,2: 58:[27, 40] Operation: 29+11=40 Exploring Operation: 29-11=18, Resulting Numbers: [27, 18] Generated Node #0,2,3: 58:[27, 18] Operation: 29-11=18 Exploring Operation: 29+27=56, Resulting Numbers: [11, 56] Generated Node #0,2,4: 58:[11, 56] Operation: 29+27=56 Moving to Node #0,2,0 Current State: 58:[29, 38], Operations: ['43-16=27', '11+27=38'] Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,58 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[11, 2], Operations: ['43-16=27', '29-27=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,58 unequal: No Solution Moving to Node #0,2,4 Current State: 58:[11, 56], Operations: ['43-16=27', '29+27=56'] Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 11*56=616, Resulting Numbers: [616] 616,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[27, 40], Operations: ['43-16=27', '29+11=40'] Exploring Operation: 27+40=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 27*40=1080, Resulting Numbers: [1080] 1080,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[27, 18], Operations: ['43-16=27', '29-11=18'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[29, 43, 27], Operations: ['16+11=27'] Exploring Operation: 43-27=16, Resulting Numbers: [29, 16] Generated Node #0,0,0: 58:[29, 16] Operation: 43-27=16 Exploring Operation: 29+43=72, Resulting Numbers: [27, 72] Generated Node #0,0,1: 58:[27, 72] Operation: 29+43=72 Exploring Operation: 43+27=70, Resulting Numbers: [29, 70] Generated Node #0,0,2: 58:[29, 70] Operation: 43+27=70 Exploring Operation: 43-29=14, Resulting Numbers: [27, 14] Generated Node #0,0,3: 58:[27, 14] Operation: 43-29=14 Exploring Operation: 29-27=2, Resulting Numbers: [43, 2] Generated Node #0,0,4: 58:[43, 2] Operation: 29-27=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 58:[29, 70], Operations: ['16+11=27', '43+27=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,58 unequal: No Solution No 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: 58:[29, 16], Operations: ['16+11=27', '43-27=16'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,58 unequal: No Solution Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,58 unequal: No Solution No 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: 58:[27, 14], Operations: ['16+11=27', '43-29=14'] Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,58 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,58 unequal: No Solution No 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: 58:[43, 2], Operations: ['16+11=27', '29-27=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,58 unequal: No Solution No 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: 58:[27, 72], Operations: ['16+11=27', '29+43=72'] Exploring Operation: 27*72=1944, Resulting Numbers: [1944] 1944,58 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 27+72=99, Resulting Numbers: [99] 99,58 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: 58:[16, 29, 32], Operations: ['43-11=32'] Exploring Operation: 32/16=2, Resulting Numbers: [29, 2] Generated Node #0,3,0: 58:[29, 2] Operation: 32/16=2 Exploring Operation: 16+32=48, Resulting Numbers: [29, 48] Generated Node #0,3,1: 58:[29, 48] Operation: 16+32=48 Exploring Operation: 29-16=13, Resulting Numbers: [32, 13] Generated Node #0,3,2: 58:[32, 13] Operation: 29-16=13 Exploring Operation: 32-16=16, Resulting Numbers: [29, 16] Generated Node #0,3,3: 58:[29, 16] Operation: 32-16=16 Exploring Operation: 32-29=3, Resulting Numbers: [16, 3] Generated Node #0,3,4: 58:[16, 3] Operation: 32-29=3 Moving to Node #0,3,0 Current State: 58:[29, 2], Operations: ['43-11=32', '32/16=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[16, 29, 43, 11], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [16, 29, 32] Generated Node #0,3: 58:[16, 29, 32] Operation: 43-11=32 Moving to Node #0,3 Current State: 58:[16, 29, 32], Operations: ['43-11=32'] Exploring Operation: 32/16=2, Resulting Numbers: [29, 2] Generated Node #0,3,0: 58:[29, 2] Operation: 32/16=2 Moving to Node #0,3,0 Current State: 58:[29, 2], Operations: ['43-11=32', '32/16=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.934028
hs_5
sum_heuristic
[ 47, 48, 6, 52 ]
58
[ "48-47=1", "6+52=58", "1*58=58" ]
Current State: 58:[47, 48, 6, 52], Operations: [] Exploring Operation: 48-47=1, Resulting Numbers: [6, 52, 1] Generated Node #2: [6, 52, 1] from Operation: 48-47=1 Current State: 58:[6, 52, 1], Operations: ['48-47=1'] Exploring Operation: 6+52=58, Resulting Numbers: [1, 58] Generated Node #3: [1, 58] from Operation: 6+52=58 Current State: 58:[1, 58], Operations: ['48-47=1', '6+52=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 48, 6, 52], Operations: [] Exploring Operation: 48-47=1, Resulting Numbers: [6, 52, 1] Generated Node #0,0: 58:[6, 52, 1] Operation: 48-47=1 Exploring Operation: 52-47=5, Resulting Numbers: [48, 6, 5] Generated Node #0,1: 58:[48, 6, 5] Operation: 52-47=5 Moving to Node #0,0 Current State: 58:[6, 52, 1], Operations: ['48-47=1'] Exploring Operation: 6+52=58, Resulting Numbers: [1, 58] Generated Node #0,0,0: 58:[1, 58] Operation: 6+52=58 Exploring Operation: 6-1=5, Resulting Numbers: [52, 5] Generated Node #0,0,1: 58:[52, 5] Operation: 6-1=5 Moving to Node #0,1 Current State: 58:[48, 6, 5], Operations: ['52-47=5'] Exploring Operation: 48/6=8, Resulting Numbers: [5, 8] Generated Node #0,1,0: 58:[5, 8] Operation: 48/6=8 Exploring Operation: 48+6=54, Resulting Numbers: [5, 54] Generated Node #0,1,1: 58:[5, 54] Operation: 48+6=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[5, 54], Operations: ['52-47=5', '48+6=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[5, 8], Operations: ['52-47=5', '48/6=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,58 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: 58:[1, 58], Operations: ['48-47=1', '6+52=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[47, 48, 6, 52], Operations: [] Exploring Operation: 48-47=1, Resulting Numbers: [6, 52, 1] Generated Node #0,0: 58:[6, 52, 1] Operation: 48-47=1 Moving to Node #0,0 Current State: 58:[6, 52, 1], Operations: ['48-47=1'] Exploring Operation: 6+52=58, Resulting Numbers: [1, 58] Generated Node #0,0,0: 58:[1, 58] Operation: 6+52=58 Moving to Node #0,0,0 Current State: 58:[1, 58], Operations: ['48-47=1', '6+52=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 8, 13, 95, 45 ]
29
[ "8+13=21", "95-45=50", "50-21=29" ]
Current State: 29:[8, 13, 95, 45], Operations: [] Exploring Operation: 8+13=21, Resulting Numbers: [95, 45, 21] Generated Node #2: [95, 45, 21] from Operation: 8+13=21 Current State: 29:[95, 45, 21], Operations: ['8+13=21'] Exploring Operation: 95-45=50, Resulting Numbers: [21, 50] Generated Node #3: [21, 50] from Operation: 95-45=50 Current State: 29:[21, 50], Operations: ['8+13=21', '95-45=50'] Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[8, 13, 95, 45], Operations: [] Exploring Operation: 95-13=82, Resulting Numbers: [8, 45, 82] Generated Node #0,0: 29:[8, 45, 82] Operation: 95-13=82 Exploring Operation: 45-8=37, Resulting Numbers: [13, 95, 37] Generated Node #0,1: 29:[13, 95, 37] Operation: 45-8=37 Exploring Operation: 8+13=21, Resulting Numbers: [95, 45, 21] Generated Node #0,2: 29:[95, 45, 21] Operation: 8+13=21 Exploring Operation: 95-45=50, Resulting Numbers: [8, 13, 50] Generated Node #0,3: 29:[8, 13, 50] Operation: 95-45=50 Exploring Operation: 95-8=87, Resulting Numbers: [13, 45, 87] Generated Node #0,4: 29:[13, 45, 87] Operation: 95-8=87 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[8, 13, 50], Operations: ['95-45=50'] Exploring Operation: 8+13=21, Resulting Numbers: [50, 21] Generated Node #0,3,0: 29:[50, 21] Operation: 8+13=21 Exploring Operation: 50-13=37, Resulting Numbers: [8, 37] Generated Node #0,3,1: 29:[8, 37] Operation: 50-13=37 Exploring Operation: 13-8=5, Resulting Numbers: [50, 5] Generated Node #0,3,2: 29:[50, 5] Operation: 13-8=5 Exploring Operation: 50-8=42, Resulting Numbers: [13, 42] Generated Node #0,3,3: 29:[13, 42] Operation: 50-8=42 Exploring Operation: 8+50=58, Resulting Numbers: [13, 58] Generated Node #0,3,4: 29:[13, 58] Operation: 8+50=58 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[50, 21], Operations: ['95-45=50', '8+13=21'] Exploring Operation: 50+21=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[8, 13, 95, 45], Operations: [] Exploring Operation: 95-45=50, Resulting Numbers: [8, 13, 50] Generated Node #0,3: 29:[8, 13, 50] Operation: 95-45=50 Moving to Node #0,3 Current State: 29:[8, 13, 50], Operations: ['95-45=50'] Exploring Operation: 8+13=21, Resulting Numbers: [50, 21] Generated Node #0,3,0: 29:[50, 21] Operation: 8+13=21 Moving to Node #0,3,0 Current State: 29:[50, 21], Operations: ['95-45=50', '8+13=21'] Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 56, 64, 47, 81 ]
16
[ "64-56=8", "47+81=128", "128/8=16" ]
Current State: 16:[56, 64, 47, 81], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [47, 81, 8] Generated Node #2: [47, 81, 8] from Operation: 64-56=8 Current State: 16:[47, 81, 8], Operations: ['64-56=8'] Exploring Operation: 47+81=128, Resulting Numbers: [8, 128] Generated Node #3: [8, 128] from Operation: 47+81=128 Current State: 16:[8, 128], Operations: ['64-56=8', '47+81=128'] Exploring Operation: 128/8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[56, 64, 47, 81], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [56, 47, 17] Generated Node #0,0: 16:[56, 47, 17] Operation: 81-64=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[56, 47, 17], Operations: ['81-64=17'] Exploring Operation: 56-47=9, Resulting Numbers: [17, 9] Generated Node #0,0,0: 16:[17, 9] Operation: 56-47=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[17, 9], Operations: ['81-64=17', '56-47=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 85, 50, 52 ]
94
[ "52-50=2", "18/2=9", "85+9=94" ]
Current State: 94:[18, 85, 50, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [18, 85, 2] Generated Node #2: [18, 85, 2] from Operation: 52-50=2 Current State: 94:[18, 85, 2], Operations: ['52-50=2'] Exploring Operation: 18/2=9, Resulting Numbers: [85, 9] Generated Node #3: [85, 9] from Operation: 18/2=9 Current State: 94:[85, 9], Operations: ['52-50=2', '18/2=9'] Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[18, 85, 50, 52], Operations: [] Exploring Operation: 50-18=32, Resulting Numbers: [85, 52, 32] Generated Node #0,0: 94:[85, 52, 32] Operation: 50-18=32 Exploring Operation: 18+85=103, Resulting Numbers: [50, 52, 103] Generated Node #0,1: 94:[50, 52, 103] Operation: 18+85=103 Exploring Operation: 52-18=34, Resulting Numbers: [85, 50, 34] Generated Node #0,2: 94:[85, 50, 34] Operation: 52-18=34 Exploring Operation: 52-50=2, Resulting Numbers: [18, 85, 2] Generated Node #0,3: 94:[18, 85, 2] Operation: 52-50=2 Exploring Operation: 85-18=67, Resulting Numbers: [50, 52, 67] Generated Node #0,4: 94:[50, 52, 67] Operation: 85-18=67 Moving to Node #0,1 Current State: 94:[50, 52, 103], Operations: ['18+85=103'] Exploring Operation: 50+52=102, Resulting Numbers: [103, 102] Generated Node #0,1,0: 94:[103, 102] Operation: 50+52=102 Exploring Operation: 52-50=2, Resulting Numbers: [103, 2] Generated Node #0,1,1: 94:[103, 2] Operation: 52-50=2 Exploring Operation: 103-50=53, Resulting Numbers: [52, 53] Generated Node #0,1,2: 94:[52, 53] Operation: 103-50=53 Exploring Operation: 103-52=51, Resulting Numbers: [50, 51] Generated Node #0,1,3: 94:[50, 51] Operation: 103-52=51 Exploring Operation: 50+103=153, Resulting Numbers: [52, 153] Generated Node #0,1,4: 94:[52, 153] Operation: 50+103=153 Moving to Node #0,3 Current State: 94:[18, 85, 2], Operations: ['52-50=2'] Exploring Operation: 18-2=16, Resulting Numbers: [85, 16] Generated Node #0,3,0: 94:[85, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [85, 9] Generated Node #0,3,1: 94:[85, 9] Operation: 18/2=9 Exploring Operation: 85-18=67, Resulting Numbers: [2, 67] Generated Node #0,3,2: 94:[2, 67] Operation: 85-18=67 Exploring Operation: 18*2=36, Resulting Numbers: [85, 36] Generated Node #0,3,3: 94:[85, 36] Operation: 18*2=36 Exploring Operation: 18+85=103, Resulting Numbers: [2, 103] Generated Node #0,3,4: 94:[2, 103] Operation: 18+85=103 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 94:[2, 103], Operations: ['52-50=2', '18+85=103'] Exploring Operation: 2*103=206, Resulting Numbers: [206] 206,94 unequal: No Solution Exploring Operation: 2+103=105, Resulting Numbers: [105] 105,94 unequal: No Solution Exploring Operation: 103-2=101, Resulting Numbers: [101] 101,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 94:[85, 9], Operations: ['52-50=2', '18/2=9'] Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,94 unequal: No Solution Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[18, 85, 50, 52], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [18, 85, 2] Generated Node #0,3: 94:[18, 85, 2] Operation: 52-50=2 Moving to Node #0,3 Current State: 94:[18, 85, 2], Operations: ['52-50=2'] Exploring Operation: 18/2=9, Resulting Numbers: [85, 9] Generated Node #0,3,1: 94:[85, 9] Operation: 18/2=9 Moving to Node #0,3,1 Current State: 94:[85, 9], Operations: ['52-50=2', '18/2=9'] Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 71, 55, 80, 3 ]
49
[ "71+55=126", "80-3=77", "126-77=49" ]
Current State: 49:[71, 55, 80, 3], Operations: [] Exploring Operation: 71+55=126, Resulting Numbers: [80, 3, 126] Generated Node #2: [80, 3, 126] from Operation: 71+55=126 Current State: 49:[80, 3, 126], Operations: ['71+55=126'] Exploring Operation: 80-3=77, Resulting Numbers: [126, 77] Generated Node #3: [126, 77] from Operation: 80-3=77 Current State: 49:[126, 77], Operations: ['71+55=126', '80-3=77'] Exploring Operation: 126-77=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[71, 55, 80, 3], Operations: [] Exploring Operation: 80-71=9, Resulting Numbers: [55, 3, 9] Generated Node #0,0: 49:[55, 3, 9] Operation: 80-71=9 Moving to Node #0,0 Current State: 49:[55, 3, 9], Operations: ['80-71=9'] Exploring Operation: 55-3=52, Resulting Numbers: [9, 52] Generated Node #0,0,0: 49:[9, 52] Operation: 55-3=52 Moving to Node #0,0,0 Current State: 49:[9, 52], Operations: ['80-71=9', '55-3=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,49 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 51, 62, 48, 18 ]
77
[ "62-51=11", "48+18=66", "11+66=77" ]
Current State: 77:[51, 62, 48, 18], Operations: [] Exploring Operation: 62-51=11, Resulting Numbers: [48, 18, 11] Generated Node #2: [48, 18, 11] from Operation: 62-51=11 Current State: 77:[48, 18, 11], Operations: ['62-51=11'] Exploring Operation: 48+18=66, Resulting Numbers: [11, 66] Generated Node #3: [11, 66] from Operation: 48+18=66 Current State: 77:[11, 66], Operations: ['62-51=11', '48+18=66'] Exploring Operation: 11+66=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[51, 62, 48, 18], Operations: [] Exploring Operation: 51+48=99, Resulting Numbers: [62, 18, 99] Generated Node #0,0: 77:[62, 18, 99] Operation: 51+48=99 Exploring Operation: 62-51=11, Resulting Numbers: [48, 18, 11] Generated Node #0,1: 77:[48, 18, 11] Operation: 62-51=11 Exploring Operation: 51-48=3, Resulting Numbers: [62, 18, 3] Generated Node #0,2: 77:[62, 18, 3] Operation: 51-48=3 Exploring Operation: 62-48=14, Resulting Numbers: [51, 18, 14] Generated Node #0,3: 77:[51, 18, 14] Operation: 62-48=14 Moving to Node #0,2 Current State: 77:[62, 18, 3], Operations: ['51-48=3'] Exploring Operation: 62+3=65, Resulting Numbers: [18, 65] Generated Node #0,2,0: 77:[18, 65] Operation: 62+3=65 Exploring Operation: 18/3=6, Resulting Numbers: [62, 6] Generated Node #0,2,1: 77:[62, 6] Operation: 18/3=6 Exploring Operation: 62+18=80, Resulting Numbers: [3, 80] Generated Node #0,2,2: 77:[3, 80] Operation: 62+18=80 Exploring Operation: 18-3=15, Resulting Numbers: [62, 15] Generated Node #0,2,3: 77:[62, 15] Operation: 18-3=15 Moving to Node #0,3 Current State: 77:[51, 18, 14], Operations: ['62-48=14'] Exploring Operation: 51+14=65, Resulting Numbers: [18, 65] Generated Node #0,3,0: 77:[18, 65] Operation: 51+14=65 Exploring Operation: 51+18=69, Resulting Numbers: [14, 69] Generated Node #0,3,1: 77:[14, 69] Operation: 51+18=69 Exploring Operation: 51-18=33, Resulting Numbers: [14, 33] Generated Node #0,3,2: 77:[14, 33] Operation: 51-18=33 Exploring Operation: 18-14=4, Resulting Numbers: [51, 4] Generated Node #0,3,3: 77:[51, 4] Operation: 18-14=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[14, 69], Operations: ['62-48=14', '51+18=69'] Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 14+69=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 14*69=966, Resulting Numbers: [966] 966,77 unequal: No Solution No 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: 77:[18, 65], Operations: ['62-48=14', '51+14=65'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 18*65=1170, Resulting Numbers: [1170] 1170,77 unequal: No Solution Exploring Operation: 18+65=83, Resulting Numbers: [83] 83,77 unequal: No Solution No 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: 77:[14, 33], Operations: ['62-48=14', '51-18=33'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,77 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,77 unequal: No Solution No 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: 77:[51, 4], Operations: ['62-48=14', '18-14=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,77 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,77 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: 77:[48, 18, 11], Operations: ['62-51=11'] Exploring Operation: 48+18=66, Resulting Numbers: [11, 66] Generated Node #0,1,0: 77:[11, 66] Operation: 48+18=66 Exploring Operation: 18-11=7, Resulting Numbers: [48, 7] Generated Node #0,1,1: 77:[48, 7] Operation: 18-11=7 Exploring Operation: 48+11=59, Resulting Numbers: [18, 59] Generated Node #0,1,2: 77:[18, 59] Operation: 48+11=59 Exploring Operation: 48-18=30, Resulting Numbers: [11, 30] Generated Node #0,1,3: 77:[11, 30] Operation: 48-18=30 Moving to Node #0,0 Current State: 77:[62, 18, 99], Operations: ['51+48=99'] Exploring Operation: 62-18=44, Resulting Numbers: [99, 44] Generated Node #0,0,0: 77:[99, 44] Operation: 62-18=44 Exploring Operation: 99-18=81, Resulting Numbers: [62, 81] Generated Node #0,0,1: 77:[62, 81] Operation: 99-18=81 Exploring Operation: 62+18=80, Resulting Numbers: [99, 80] Generated Node #0,0,2: 77:[99, 80] Operation: 62+18=80 Exploring Operation: 99-62=37, Resulting Numbers: [18, 37] Generated Node #0,0,3: 77:[18, 37] Operation: 99-62=37 Moving to Node #0,2,2 Current State: 77:[3, 80], Operations: ['51-48=3', '62+18=80'] Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,77 unequal: No Solution Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[51, 62, 48, 18], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [62, 18, 3] Generated Node #0,2: 77:[62, 18, 3] Operation: 51-48=3 Moving to Node #0,2 Current State: 77:[62, 18, 3], Operations: ['51-48=3'] Exploring Operation: 62+18=80, Resulting Numbers: [3, 80] Generated Node #0,2,2: 77:[3, 80] Operation: 62+18=80 Moving to Node #0,2,2 Current State: 77:[3, 80], Operations: ['51-48=3', '62+18=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.966146
hs_4
mult_heuristic
[ 64, 91, 56, 30 ]
59
[ "91-64=27", "56+30=86", "86-27=59" ]
Current State: 59:[64, 91, 56, 30], Operations: [] Exploring Operation: 91-64=27, Resulting Numbers: [56, 30, 27] Generated Node #2: [56, 30, 27] from Operation: 91-64=27 Current State: 59:[56, 30, 27], Operations: ['91-64=27'] Exploring Operation: 56+30=86, Resulting Numbers: [27, 86] Generated Node #3: [27, 86] from Operation: 56+30=86 Current State: 59:[27, 86], Operations: ['91-64=27', '56+30=86'] Exploring Operation: 86-27=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[64, 91, 56, 30], Operations: [] Exploring Operation: 64-30=34, Resulting Numbers: [91, 56, 34] Generated Node #0,0: 59:[91, 56, 34] Operation: 64-30=34 Exploring Operation: 91-56=35, Resulting Numbers: [64, 30, 35] Generated Node #0,1: 59:[64, 30, 35] Operation: 91-56=35 Exploring Operation: 91-30=61, Resulting Numbers: [64, 56, 61] Generated Node #0,2: 59:[64, 56, 61] Operation: 91-30=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[64, 56, 61], Operations: ['91-30=61'] Exploring Operation: 64-61=3, Resulting Numbers: [56, 3] Generated Node #0,2,0: 59:[56, 3] Operation: 64-61=3 Exploring Operation: 64-56=8, Resulting Numbers: [61, 8] Generated Node #0,2,1: 59:[61, 8] Operation: 64-56=8 Exploring Operation: 61-56=5, Resulting Numbers: [64, 5] Generated Node #0,2,2: 59:[64, 5] Operation: 61-56=5 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[61, 8], Operations: ['91-30=61', '64-56=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,59 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[56, 3], Operations: ['91-30=61', '64-61=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[64, 91, 56, 30], Operations: [] Exploring Operation: 91-30=61, Resulting Numbers: [64, 56, 61] Generated Node #0,2: 59:[64, 56, 61] Operation: 91-30=61 Moving to Node #0,2 Current State: 59:[64, 56, 61], Operations: ['91-30=61'] Exploring Operation: 64-61=3, Resulting Numbers: [56, 3] Generated Node #0,2,0: 59:[56, 3] Operation: 64-61=3 Moving to Node #0,2,0 Current State: 59:[56, 3], Operations: ['91-30=61', '64-61=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 48, 55, 72, 96 ]
17
[ "55-48=7", "96-72=24", "24-7=17" ]
Current State: 17:[48, 55, 72, 96], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [72, 96, 7] Generated Node #2: [72, 96, 7] from Operation: 55-48=7 Current State: 17:[72, 96, 7], Operations: ['55-48=7'] Exploring Operation: 96-72=24, Resulting Numbers: [7, 24] Generated Node #3: [7, 24] from Operation: 96-72=24 Current State: 17:[7, 24], Operations: ['55-48=7', '96-72=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[48, 55, 72, 96], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [48, 72, 41] Generated Node #0,0: 17:[48, 72, 41] Operation: 96-55=41 Exploring Operation: 72-55=17, Resulting Numbers: [48, 96, 17] Generated Node #0,1: 17:[48, 96, 17] Operation: 72-55=17 Exploring Operation: 96/48=2, Resulting Numbers: [55, 72, 2] Generated Node #0,2: 17:[55, 72, 2] Operation: 96/48=2 Exploring Operation: 96-72=24, Resulting Numbers: [48, 55, 24] Generated Node #0,3: 17:[48, 55, 24] Operation: 96-72=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[48, 55, 24], Operations: ['96-72=24'] Exploring Operation: 55-24=31, Resulting Numbers: [48, 31] Generated Node #0,3,0: 17:[48, 31] Operation: 55-24=31 Exploring Operation: 48/24=2, Resulting Numbers: [55, 2] Generated Node #0,3,1: 17:[55, 2] Operation: 48/24=2 Exploring Operation: 55-48=7, Resulting Numbers: [24, 7] Generated Node #0,3,2: 17:[24, 7] Operation: 55-48=7 Exploring Operation: 48-24=24, Resulting Numbers: [55, 24] Generated Node #0,3,3: 17:[55, 24] Operation: 48-24=24 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 17:[24, 7], Operations: ['96-72=24', '55-48=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,17 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[48, 55, 72, 96], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [48, 55, 24] Generated Node #0,3: 17:[48, 55, 24] Operation: 96-72=24 Moving to Node #0,3 Current State: 17:[48, 55, 24], Operations: ['96-72=24'] Exploring Operation: 55-48=7, Resulting Numbers: [24, 7] Generated Node #0,3,2: 17:[24, 7] Operation: 55-48=7 Moving to Node #0,3,2 Current State: 17:[24, 7], Operations: ['96-72=24', '55-48=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 97, 86, 77, 55 ]
11
[ "97-86=11", "77-55=22", "22-11=11" ]
Current State: 11:[97, 86, 77, 55], Operations: [] Exploring Operation: 97-86=11, Resulting Numbers: [77, 55, 11] Generated Node #2: [77, 55, 11] from Operation: 97-86=11 Current State: 11:[77, 55, 11], Operations: ['97-86=11'] Exploring Operation: 77-55=22, Resulting Numbers: [11, 22] Generated Node #3: [11, 22] from Operation: 77-55=22 Current State: 11:[11, 22], Operations: ['97-86=11', '77-55=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[97, 86, 77, 55], Operations: [] Exploring Operation: 97-86=11, Resulting Numbers: [77, 55, 11] Generated Node #0,0: 11:[77, 55, 11] Operation: 97-86=11 Moving to Node #0,0 Current State: 11:[77, 55, 11], Operations: ['97-86=11'] Exploring Operation: 77-55=22, Resulting Numbers: [11, 22] Generated Node #0,0,0: 11:[11, 22] Operation: 77-55=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[11, 22], Operations: ['97-86=11', '77-55=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[97, 86, 77, 55], Operations: [] Exploring Operation: 97-86=11, Resulting Numbers: [77, 55, 11] Generated Node #0,0: 11:[77, 55, 11] Operation: 97-86=11 Moving to Node #0,0 Current State: 11:[77, 55, 11], Operations: ['97-86=11'] Exploring Operation: 77-55=22, Resulting Numbers: [11, 22] Generated Node #0,0,0: 11:[11, 22] Operation: 77-55=22 Moving to Node #0,0,0 Current State: 11:[11, 22], Operations: ['97-86=11', '77-55=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 69, 68, 61, 47 ]
91
[ "69*61=4209", "68+4209=4277", "4277/47=91" ]
Current State: 91:[69, 68, 61, 47], Operations: [] Exploring Operation: 69*61=4209, Resulting Numbers: [68, 47, 4209] Generated Node #2: [68, 47, 4209] from Operation: 69*61=4209 Current State: 91:[68, 47, 4209], Operations: ['69*61=4209'] Exploring Operation: 68+4209=4277, Resulting Numbers: [47, 4277] Generated Node #3: [47, 4277] from Operation: 68+4209=4277 Current State: 91:[47, 4277], Operations: ['69*61=4209', '68+4209=4277'] Exploring Operation: 4277/47=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[69, 68, 61, 47], Operations: [] Exploring Operation: 68-61=7, Resulting Numbers: [69, 47, 7] Generated Node #0,0: 91:[69, 47, 7] Operation: 68-61=7 Exploring Operation: 69-61=8, Resulting Numbers: [68, 47, 8] Generated Node #0,1: 91:[68, 47, 8] Operation: 69-61=8 Exploring Operation: 61-47=14, Resulting Numbers: [69, 68, 14] Generated Node #0,2: 91:[69, 68, 14] Operation: 61-47=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[69, 68, 14], Operations: ['61-47=14'] Exploring Operation: 69+14=83, Resulting Numbers: [68, 83] Generated Node #0,2,0: 91:[68, 83] Operation: 69+14=83 Exploring Operation: 68+14=82, Resulting Numbers: [69, 82] Generated Node #0,2,1: 91:[69, 82] Operation: 68+14=82 Exploring Operation: 69-68=1, Resulting Numbers: [14, 1] Generated Node #0,2,2: 91:[14, 1] Operation: 69-68=1 Moving to Node #0,2,2 Current State: 91:[14, 1], Operations: ['61-47=14', '69-68=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[68, 83], Operations: ['61-47=14', '69+14=83'] Exploring Operation: 68*83=5644, Resulting Numbers: [5644] 5644,91 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 68+83=151, Resulting Numbers: [151] 151,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[69, 82], Operations: ['61-47=14', '68+14=82'] Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,91 unequal: No Solution Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,91 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[69, 47, 7], Operations: ['68-61=7'] Exploring Operation: 69-47=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 91:[7, 22] Operation: 69-47=22 Exploring Operation: 69+7=76, Resulting Numbers: [47, 76] Generated Node #0,0,1: 91:[47, 76] Operation: 69+7=76 Exploring Operation: 69+47=116, Resulting Numbers: [7, 116] Generated Node #0,0,2: 91:[7, 116] Operation: 69+47=116 Moving to Node #0,0,0 Current State: 91:[7, 22], Operations: ['68-61=7', '69-47=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,91 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[7, 116], Operations: ['68-61=7', '69+47=116'] Exploring Operation: 7*116=812, Resulting Numbers: [812] 812,91 unequal: No Solution Exploring Operation: 7+116=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 116-7=109, Resulting Numbers: [109] 109,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[47, 76], Operations: ['68-61=7', '69+7=76'] Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,91 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[68, 47, 8], Operations: ['69-61=8'] Exploring Operation: 68-47=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 91:[8, 21] Operation: 68-47=21 Exploring Operation: 68+8=76, Resulting Numbers: [47, 76] Generated Node #0,1,1: 91:[47, 76] Operation: 68+8=76 Exploring Operation: 68+47=115, Resulting Numbers: [8, 115] Generated Node #0,1,2: 91:[8, 115] Operation: 68+47=115 Moving to Node #0,1,0 Current State: 91:[8, 21], Operations: ['69-61=8', '68-47=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,91 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[8, 115], Operations: ['69-61=8', '68+47=115'] Exploring Operation: 8+115=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 8*115=920, Resulting Numbers: [920] 920,91 unequal: No Solution Exploring Operation: 115-8=107, Resulting Numbers: [107] 107,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[47, 76], Operations: ['69-61=8', '68+8=76'] Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,91 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,91 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, 55, 48, 63 ]
25
[ "31+55=86", "48+63=111", "111-86=25" ]
Current State: 25:[31, 55, 48, 63], Operations: [] Exploring Operation: 31+55=86, Resulting Numbers: [48, 63, 86] Generated Node #2: [48, 63, 86] from Operation: 31+55=86 Current State: 25:[48, 63, 86], Operations: ['31+55=86'] Exploring Operation: 48+63=111, Resulting Numbers: [86, 111] Generated Node #3: [86, 111] from Operation: 48+63=111 Current State: 25:[86, 111], Operations: ['31+55=86', '48+63=111'] Exploring Operation: 111-86=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[31, 55, 48, 63], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [31, 48, 8] Generated Node #0,0: 25:[31, 48, 8] Operation: 63-55=8 Exploring Operation: 55-48=7, Resulting Numbers: [31, 63, 7] Generated Node #0,1: 25:[31, 63, 7] Operation: 55-48=7 Moving to Node #0,0 Current State: 25:[31, 48, 8], Operations: ['63-55=8'] Exploring Operation: 48-31=17, Resulting Numbers: [8, 17] Generated Node #0,0,0: 25:[8, 17] Operation: 48-31=17 Exploring Operation: 48/8=6, Resulting Numbers: [31, 6] Generated Node #0,0,1: 25:[31, 6] Operation: 48/8=6 Moving to Node #0,1 Current State: 25:[31, 63, 7], Operations: ['55-48=7'] Exploring Operation: 63/7=9, Resulting Numbers: [31, 9] Generated Node #0,1,0: 25:[31, 9] Operation: 63/7=9 Exploring Operation: 63-31=32, Resulting Numbers: [7, 32] Generated Node #0,1,1: 25:[7, 32] Operation: 63-31=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[7, 32], Operations: ['55-48=7', '63-31=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[31, 55, 48, 63], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [31, 63, 7] Generated Node #0,1: 25:[31, 63, 7] Operation: 55-48=7 Moving to Node #0,1 Current State: 25:[31, 63, 7], Operations: ['55-48=7'] Exploring Operation: 63-31=32, Resulting Numbers: [7, 32] Generated Node #0,1,1: 25:[7, 32] Operation: 63-31=32 Moving to Node #0,1,1 Current State: 25:[7, 32], Operations: ['55-48=7', '63-31=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic