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
[ 27, 11, 22, 19 ]
73
[ "27*22=594", "594/11=54", "19+54=73" ]
Current State: 73:[27, 11, 22, 19], Operations: [] Exploring Operation: 27*22=594, Resulting Numbers: [11, 19, 594] Generated Node #2: [11, 19, 594] from Operation: 27*22=594 Current State: 73:[11, 19, 594], Operations: ['27*22=594'] Exploring Operation: 594/11=54, Resulting Numbers: [19, 54] Generated Node #3: [19, 54] from Operation: 594/11=54 Current State: 73:[19, 54], Operations: ['27*22=594', '594/11=54'] Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[27, 11, 22, 19], Operations: [] Exploring Operation: 27+11=38, Resulting Numbers: [22, 19, 38] Generated Node #0,0: 73:[22, 19, 38] Operation: 27+11=38 Moving to Node #0,0 Current State: 73:[22, 19, 38], Operations: ['27+11=38'] Exploring Operation: 22+19=41, Resulting Numbers: [38, 41] Generated Node #0,0,0: 73:[38, 41] Operation: 22+19=41 Moving to Node #0,0,0 Current State: 73:[38, 41], Operations: ['27+11=38', '22+19=41'] Exploring Operation: 38+41=79, Resulting Numbers: [79] 79,73 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 48, 57, 44, 85 ]
50
[ "57-48=9", "85-44=41", "9+41=50" ]
Current State: 50:[48, 57, 44, 85], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [44, 85, 9] Generated Node #2: [44, 85, 9] from Operation: 57-48=9 Current State: 50:[44, 85, 9], Operations: ['57-48=9'] Exploring Operation: 85-44=41, Resulting Numbers: [9, 41] Generated Node #3: [9, 41] from Operation: 85-44=41 Current State: 50:[9, 41], Operations: ['57-48=9', '85-44=41'] Exploring Operation: 9+41=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[48, 57, 44, 85], Operations: [] Exploring Operation: 85-48=37, Resulting Numbers: [57, 44, 37] Generated Node #0,0: 50:[57, 44, 37] Operation: 85-48=37 Exploring Operation: 85-57=28, Resulting Numbers: [48, 44, 28] Generated Node #0,1: 50:[48, 44, 28] Operation: 85-57=28 Exploring Operation: 85-44=41, Resulting Numbers: [48, 57, 41] Generated Node #0,2: 50:[48, 57, 41] Operation: 85-44=41 Moving to Node #0,1 Current State: 50:[48, 44, 28], Operations: ['85-57=28'] Exploring Operation: 48-28=20, Resulting Numbers: [44, 20] Generated Node #0,1,0: 50:[44, 20] Operation: 48-28=20 Exploring Operation: 44-28=16, Resulting Numbers: [48, 16] Generated Node #0,1,1: 50:[48, 16] Operation: 44-28=16 Exploring Operation: 48-44=4, Resulting Numbers: [28, 4] Generated Node #0,1,2: 50:[28, 4] Operation: 48-44=4 Moving to Node #0,2 Current State: 50:[48, 57, 41], Operations: ['85-44=41'] Exploring Operation: 57-41=16, Resulting Numbers: [48, 16] Generated Node #0,2,0: 50:[48, 16] Operation: 57-41=16 Exploring Operation: 57-48=9, Resulting Numbers: [41, 9] Generated Node #0,2,1: 50:[41, 9] Operation: 57-48=9 Exploring Operation: 48-41=7, Resulting Numbers: [57, 7] Generated Node #0,2,2: 50:[57, 7] Operation: 48-41=7 Moving to Node #0,0 Current State: 50:[57, 44, 37], Operations: ['85-48=37'] Exploring Operation: 57-44=13, Resulting Numbers: [37, 13] Generated Node #0,0,0: 50:[37, 13] Operation: 57-44=13 Exploring Operation: 44-37=7, Resulting Numbers: [57, 7] Generated Node #0,0,1: 50:[57, 7] Operation: 44-37=7 Exploring Operation: 57-37=20, Resulting Numbers: [44, 20] Generated Node #0,0,2: 50:[44, 20] Operation: 57-37=20 Moving to Node #0,1,2 Current State: 50:[28, 4], Operations: ['85-57=28', '48-44=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[48, 16], Operations: ['85-57=28', '44-28=16'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[48, 16], Operations: ['85-44=41', '57-41=16'] Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[57, 7], Operations: ['85-48=37', '44-37=7'] Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,50 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[48, 57, 44, 85], Operations: [] Exploring Operation: 85-48=37, Resulting Numbers: [57, 44, 37] Generated Node #0,0: 50:[57, 44, 37] Operation: 85-48=37 Moving to Node #0,0 Current State: 50:[57, 44, 37], Operations: ['85-48=37'] Exploring Operation: 44-37=7, Resulting Numbers: [57, 7] Generated Node #0,0,1: 50:[57, 7] Operation: 44-37=7 Moving to Node #0,0,1 Current State: 50:[57, 7], Operations: ['85-48=37', '44-37=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 14, 31, 81, 10 ]
43
[ "14-10=4", "31*4=124", "124-81=43" ]
Current State: 43:[14, 31, 81, 10], Operations: [] Exploring Operation: 14-10=4, Resulting Numbers: [31, 81, 4] Generated Node #2: [31, 81, 4] from Operation: 14-10=4 Current State: 43:[31, 81, 4], Operations: ['14-10=4'] Exploring Operation: 31*4=124, Resulting Numbers: [81, 124] Generated Node #3: [81, 124] from Operation: 31*4=124 Current State: 43:[81, 124], Operations: ['14-10=4', '31*4=124'] Exploring Operation: 124-81=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[14, 31, 81, 10], Operations: [] Exploring Operation: 14+10=24, Resulting Numbers: [31, 81, 24] Generated Node #0,0: 43:[31, 81, 24] Operation: 14+10=24 Exploring Operation: 81-31=50, Resulting Numbers: [14, 10, 50] Generated Node #0,1: 43:[14, 10, 50] Operation: 81-31=50 Exploring Operation: 81-14=67, Resulting Numbers: [31, 10, 67] Generated Node #0,2: 43:[31, 10, 67] Operation: 81-14=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[31, 81, 24], Operations: ['14+10=24'] Exploring Operation: 81-31=50, Resulting Numbers: [24, 50] Generated Node #0,0,0: 43:[24, 50] Operation: 81-31=50 Exploring Operation: 81-24=57, Resulting Numbers: [31, 57] Generated Node #0,0,1: 43:[31, 57] Operation: 81-24=57 Exploring Operation: 31+24=55, Resulting Numbers: [81, 55] Generated Node #0,0,2: 43:[81, 55] Operation: 31+24=55 Moving to Node #0,0,0 Current State: 43:[24, 50], Operations: ['14+10=24', '81-31=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 24*50=1200, Resulting Numbers: [1200] 1200,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[31, 57], Operations: ['14+10=24', '81-24=57'] Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,43 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[81, 55], Operations: ['14+10=24', '31+24=55'] Exploring Operation: 81*55=4455, Resulting Numbers: [4455] 4455,43 unequal: No Solution Exploring Operation: 81-55=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 81+55=136, Resulting Numbers: [136] 136,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[14, 10, 50], Operations: ['81-31=50'] Exploring Operation: 14+10=24, Resulting Numbers: [50, 24] Generated Node #0,1,0: 43:[50, 24] Operation: 14+10=24 Exploring Operation: 50-14=36, Resulting Numbers: [10, 36] Generated Node #0,1,1: 43:[10, 36] Operation: 50-14=36 Exploring Operation: 50-10=40, Resulting Numbers: [14, 40] Generated Node #0,1,2: 43:[14, 40] Operation: 50-10=40 Moving to Node #0,1,0 Current State: 43:[50, 24], Operations: ['81-31=50', '14+10=24'] Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,43 unequal: No Solution Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[14, 40], Operations: ['81-31=50', '50-10=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[10, 36], Operations: ['81-31=50', '50-14=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,43 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,43 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, 10, 67], Operations: ['81-14=67'] Exploring Operation: 67-10=57, Resulting Numbers: [31, 57] Generated Node #0,2,0: 43:[31, 57] Operation: 67-10=57 Exploring Operation: 31+10=41, Resulting Numbers: [67, 41] Generated Node #0,2,1: 43:[67, 41] Operation: 31+10=41 Exploring Operation: 67-31=36, Resulting Numbers: [10, 36] Generated Node #0,2,2: 43:[10, 36] Operation: 67-31=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[31, 57], Operations: ['81-14=67', '67-10=57'] Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,43 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,43 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:[67, 41], Operations: ['81-14=67', '31+10=41'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,43 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 #0,2,2 Current State: 43:[10, 36], Operations: ['81-14=67', '67-31=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,43 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 76, 89, 52, 82 ]
17
[ "89-76=13", "82-52=30", "30-13=17" ]
Current State: 17:[76, 89, 52, 82], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [52, 82, 13] Generated Node #2: [52, 82, 13] from Operation: 89-76=13 Current State: 17:[52, 82, 13], Operations: ['89-76=13'] Exploring Operation: 82-52=30, Resulting Numbers: [13, 30] Generated Node #3: [13, 30] from Operation: 82-52=30 Current State: 17:[13, 30], Operations: ['89-76=13', '82-52=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[76, 89, 52, 82], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [52, 82, 13] Generated Node #0,0: 17:[52, 82, 13] Operation: 89-76=13 Moving to Node #0,0 Current State: 17:[52, 82, 13], Operations: ['89-76=13'] Exploring Operation: 82-52=30, Resulting Numbers: [13, 30] Generated Node #0,0,0: 17:[13, 30] Operation: 82-52=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[13, 30], Operations: ['89-76=13', '82-52=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[76, 89, 52, 82], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [52, 82, 13] Generated Node #0,0: 17:[52, 82, 13] Operation: 89-76=13 Moving to Node #0,0 Current State: 17:[52, 82, 13], Operations: ['89-76=13'] Exploring Operation: 82-52=30, Resulting Numbers: [13, 30] Generated Node #0,0,0: 17:[13, 30] Operation: 82-52=30 Moving to Node #0,0,0 Current State: 17:[13, 30], Operations: ['89-76=13', '82-52=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 21, 55, 75, 33 ]
40
[ "21*55=1155", "1155/33=35", "75-35=40" ]
Current State: 40:[21, 55, 75, 33], Operations: [] Exploring Operation: 21*55=1155, Resulting Numbers: [75, 33, 1155] Generated Node #2: [75, 33, 1155] from Operation: 21*55=1155 Current State: 40:[75, 33, 1155], Operations: ['21*55=1155'] Exploring Operation: 1155/33=35, Resulting Numbers: [75, 35] Generated Node #3: [75, 35] from Operation: 1155/33=35 Current State: 40:[75, 35], Operations: ['21*55=1155', '1155/33=35'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[21, 55, 75, 33], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [21, 33, 20] Generated Node #0,0: 40:[21, 33, 20] Operation: 75-55=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[21, 33, 20], Operations: ['75-55=20'] Exploring Operation: 33-21=12, Resulting Numbers: [20, 12] Generated Node #0,0,0: 40:[20, 12] Operation: 33-21=12 Moving to Node #0,0,0 Current State: 40:[20, 12], Operations: ['75-55=20', '33-21=12'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 10, 58, 50 ]
98
[ "54-50=4", "10*4=40", "58+40=98" ]
Current State: 98:[54, 10, 58, 50], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [10, 58, 4] Generated Node #2: [10, 58, 4] from Operation: 54-50=4 Current State: 98:[10, 58, 4], Operations: ['54-50=4'] Exploring Operation: 10*4=40, Resulting Numbers: [58, 40] Generated Node #3: [58, 40] from Operation: 10*4=40 Current State: 98:[58, 40], Operations: ['54-50=4', '10*4=40'] Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[54, 10, 58, 50], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [10, 50, 4] Generated Node #0,0: 98:[10, 50, 4] Operation: 58-54=4 Exploring Operation: 58-10=48, Resulting Numbers: [54, 50, 48] Generated Node #0,1: 98:[54, 50, 48] Operation: 58-10=48 Moving to Node #0,0 Current State: 98:[10, 50, 4], Operations: ['58-54=4'] Exploring Operation: 10-4=6, Resulting Numbers: [50, 6] Generated Node #0,0,0: 98:[50, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [50, 14] Generated Node #0,0,1: 98:[50, 14] Operation: 10+4=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[50, 14], Operations: ['58-54=4', '10+4=14'] Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,98 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 #0,0,0 Current State: 98:[50, 6], Operations: ['58-54=4', '10-4=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 98:[54, 50, 48], Operations: ['58-10=48'] Exploring Operation: 54-48=6, Resulting Numbers: [50, 6] Generated Node #0,1,0: 98:[50, 6] Operation: 54-48=6 Exploring Operation: 54-50=4, Resulting Numbers: [48, 4] Generated Node #0,1,1: 98:[48, 4] Operation: 54-50=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[50, 6], Operations: ['58-10=48', '54-48=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,98 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 #0,1,1 Current State: 98:[48, 4], Operations: ['58-10=48', '54-50=4'] Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,98 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
[ 15, 14, 61, 36 ]
68
[ "15+14=29", "61+36=97", "97-29=68" ]
Current State: 68:[15, 14, 61, 36], Operations: [] Exploring Operation: 15+14=29, Resulting Numbers: [61, 36, 29] Generated Node #2: [61, 36, 29] from Operation: 15+14=29 Current State: 68:[61, 36, 29], Operations: ['15+14=29'] Exploring Operation: 61+36=97, Resulting Numbers: [29, 97] Generated Node #3: [29, 97] from Operation: 61+36=97 Current State: 68:[29, 97], Operations: ['15+14=29', '61+36=97'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[15, 14, 61, 36], Operations: [] Exploring Operation: 15+61=76, Resulting Numbers: [14, 36, 76] Generated Node #0,0: 68:[14, 36, 76] Operation: 15+61=76 Exploring Operation: 61-36=25, Resulting Numbers: [15, 14, 25] Generated Node #0,1: 68:[15, 14, 25] Operation: 61-36=25 Exploring Operation: 15-14=1, Resulting Numbers: [61, 36, 1] Generated Node #0,2: 68:[61, 36, 1] Operation: 15-14=1 Exploring Operation: 14+61=75, Resulting Numbers: [15, 36, 75] Generated Node #0,3: 68:[15, 36, 75] Operation: 14+61=75 Moving to Node #0,2 Current State: 68:[61, 36, 1], Operations: ['15-14=1'] Exploring Operation: 36-1=35, Resulting Numbers: [61, 35] Generated Node #0,2,0: 68:[61, 35] Operation: 36-1=35 Exploring Operation: 61-36=25, Resulting Numbers: [1, 25] Generated Node #0,2,1: 68:[1, 25] Operation: 61-36=25 Exploring Operation: 61*1=61, Resulting Numbers: [36, 61] Generated Node #0,2,2: 68:[36, 61] Operation: 61*1=61 Exploring Operation: 61+1=62, Resulting Numbers: [36, 62] Generated Node #0,2,3: 68:[36, 62] Operation: 61+1=62 Moving to Node #0,3 Current State: 68:[15, 36, 75], Operations: ['14+61=75'] Exploring Operation: 75-36=39, Resulting Numbers: [15, 39] Generated Node #0,3,0: 68:[15, 39] Operation: 75-36=39 Exploring Operation: 75/15=5, Resulting Numbers: [36, 5] Generated Node #0,3,1: 68:[36, 5] Operation: 75/15=5 Exploring Operation: 75-15=60, Resulting Numbers: [36, 60] Generated Node #0,3,2: 68:[36, 60] Operation: 75-15=60 Exploring Operation: 36-15=21, Resulting Numbers: [75, 21] Generated Node #0,3,3: 68:[75, 21] Operation: 36-15=21 Moving to Node #0,1 Current State: 68:[15, 14, 25], Operations: ['61-36=25'] Exploring Operation: 25-14=11, Resulting Numbers: [15, 11] Generated Node #0,1,0: 68:[15, 11] Operation: 25-14=11 Exploring Operation: 14+25=39, Resulting Numbers: [15, 39] Generated Node #0,1,1: 68:[15, 39] Operation: 14+25=39 Exploring Operation: 15-14=1, Resulting Numbers: [25, 1] Generated Node #0,1,2: 68:[25, 1] Operation: 15-14=1 Exploring Operation: 15+25=40, Resulting Numbers: [14, 40] Generated Node #0,1,3: 68:[14, 40] Operation: 15+25=40 Moving to Node #0,0 Current State: 68:[14, 36, 76], Operations: ['15+61=76'] Exploring Operation: 76-14=62, Resulting Numbers: [36, 62] Generated Node #0,0,0: 68:[36, 62] Operation: 76-14=62 Exploring Operation: 76-36=40, Resulting Numbers: [14, 40] Generated Node #0,0,1: 68:[14, 40] Operation: 76-36=40 Exploring Operation: 36-14=22, Resulting Numbers: [76, 22] Generated Node #0,0,2: 68:[76, 22] Operation: 36-14=22 Exploring Operation: 14+36=50, Resulting Numbers: [76, 50] Generated Node #0,0,3: 68:[76, 50] Operation: 14+36=50 Moving to Node #0,3,1 Current State: 68:[36, 5], Operations: ['14+61=75', '75/15=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,68 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[15, 39], Operations: ['14+61=75', '75-36=39'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[15, 39], Operations: ['61-36=25', '14+25=39'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,68 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[36, 62], Operations: ['15+61=76', '76-14=62'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,68 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[36, 62], Operations: ['15-14=1', '61+1=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,68 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[15, 11], Operations: ['61-36=25', '25-14=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[61, 35], Operations: ['15-14=1', '36-1=35'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 61+35=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 61*35=2135, Resulting Numbers: [2135] 2135,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[14, 40], Operations: ['15+61=76', '76-36=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,68 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[1, 25], Operations: ['15-14=1', '61-36=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[14, 40], Operations: ['61-36=25', '15+25=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,68 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[25, 1], Operations: ['61-36=25', '15-14=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[36, 61], Operations: ['15-14=1', '61*1=61'] Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,68 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,3,2 Current State: 68:[36, 60], Operations: ['14+61=75', '75-15=60'] Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[75, 21], Operations: ['14+61=75', '36-15=21'] Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 75*21=1575, Resulting Numbers: [1575] 1575,68 unequal: No Solution Exploring Operation: 75+21=96, Resulting Numbers: [96] 96,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[76, 22], Operations: ['15+61=76', '36-14=22'] Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 76*22=1672, Resulting Numbers: [1672] 1672,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[76, 50], Operations: ['15+61=76', '14+36=50'] Exploring Operation: 76+50=126, Resulting Numbers: [126] 126,68 unequal: No Solution Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 76*50=3800, Resulting Numbers: [3800] 3800,68 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 7, 50, 50, 98 ]
86
[ "98/7=14", "50+50=100", "100-14=86" ]
Current State: 86:[7, 50, 50, 98], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [50, 50, 14] Generated Node #2: [50, 50, 14] from Operation: 98/7=14 Current State: 86:[50, 50, 14], Operations: ['98/7=14'] Exploring Operation: 50+50=100, Resulting Numbers: [14, 100] Generated Node #3: [14, 100] from Operation: 50+50=100 Current State: 86:[14, 100], Operations: ['98/7=14', '50+50=100'] Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[7, 50, 50, 98], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [7, 50, 48] Generated Node #0,0: 86:[7, 50, 48] Operation: 98-50=48 Exploring Operation: 98-50=48, Resulting Numbers: [7, 50, 48] Generated Node #0,1: 86:[7, 50, 48] Operation: 98-50=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[7, 50, 48], Operations: ['98-50=48'] Exploring Operation: 50-48=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 86:[7, 2] Operation: 50-48=2 Exploring Operation: 50-7=43, Resulting Numbers: [48, 43] Generated Node #0,0,1: 86:[48, 43] Operation: 50-7=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[7, 2], Operations: ['98-50=48', '50-48=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[48, 43], Operations: ['98-50=48', '50-7=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[7, 50, 48], Operations: ['98-50=48'] Exploring Operation: 50-7=43, Resulting Numbers: [48, 43] Generated Node #0,1,0: 86:[48, 43] Operation: 50-7=43 Exploring Operation: 50-48=2, Resulting Numbers: [7, 2] Generated Node #0,1,1: 86:[7, 2] Operation: 50-48=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[48, 43], Operations: ['98-50=48', '50-7=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[7, 2], Operations: ['98-50=48', '50-48=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 53, 25, 79 ]
59
[ "53+25=78", "79-78=1", "59*1=59" ]
Current State: 59:[59, 53, 25, 79], Operations: [] Exploring Operation: 53+25=78, Resulting Numbers: [59, 79, 78] Generated Node #2: [59, 79, 78] from Operation: 53+25=78 Current State: 59:[59, 79, 78], Operations: ['53+25=78'] Exploring Operation: 79-78=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 79-78=1 Current State: 59:[59, 1], Operations: ['53+25=78', '79-78=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[59, 53, 25, 79], Operations: [] Exploring Operation: 53+25=78, Resulting Numbers: [59, 79, 78] Generated Node #0,0: 59:[59, 79, 78] Operation: 53+25=78 Exploring Operation: 79-25=54, Resulting Numbers: [59, 53, 54] Generated Node #0,1: 59:[59, 53, 54] Operation: 79-25=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[59, 53, 54], Operations: ['79-25=54'] Exploring Operation: 53+54=107, Resulting Numbers: [59, 107] Generated Node #0,1,0: 59:[59, 107] Operation: 53+54=107 Exploring Operation: 59+53=112, Resulting Numbers: [54, 112] Generated Node #0,1,1: 59:[54, 112] Operation: 59+53=112 Moving to Node #0,1,0 Current State: 59:[59, 107], Operations: ['79-25=54', '53+54=107'] Exploring Operation: 59+107=166, Resulting Numbers: [166] 166,59 unequal: No Solution Exploring Operation: 107-59=48, Resulting Numbers: [48] 48,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[54, 112], Operations: ['79-25=54', '59+53=112'] Exploring Operation: 112-54=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 54+112=166, Resulting Numbers: [166] 166,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[59, 79, 78], Operations: ['53+25=78'] Exploring Operation: 79-78=1, Resulting Numbers: [59, 1] Generated Node #0,0,0: 59:[59, 1] Operation: 79-78=1 Exploring Operation: 79-59=20, Resulting Numbers: [78, 20] Generated Node #0,0,1: 59:[78, 20] Operation: 79-59=20 Moving to Node #0,0,0 Current State: 59:[59, 1], Operations: ['53+25=78', '79-78=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[59, 53, 25, 79], Operations: [] Exploring Operation: 53+25=78, Resulting Numbers: [59, 79, 78] Generated Node #0,0: 59:[59, 79, 78] Operation: 53+25=78 Moving to Node #0,0 Current State: 59:[59, 79, 78], Operations: ['53+25=78'] Exploring Operation: 79-78=1, Resulting Numbers: [59, 1] Generated Node #0,0,0: 59:[59, 1] Operation: 79-78=1 Moving to Node #0,0,0 Current State: 59:[59, 1], Operations: ['53+25=78', '79-78=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 81, 47, 27, 7 ]
59
[ "47-27=20", "7*20=140", "140-81=59" ]
Current State: 59:[81, 47, 27, 7], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [81, 7, 20] Generated Node #2: [81, 7, 20] from Operation: 47-27=20 Current State: 59:[81, 7, 20], Operations: ['47-27=20'] Exploring Operation: 7*20=140, Resulting Numbers: [81, 140] Generated Node #3: [81, 140] from Operation: 7*20=140 Current State: 59:[81, 140], Operations: ['47-27=20', '7*20=140'] Exploring Operation: 140-81=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[81, 47, 27, 7], Operations: [] Exploring Operation: 81-7=74, Resulting Numbers: [47, 27, 74] Generated Node #0,0: 59:[47, 27, 74] Operation: 81-7=74 Moving to Node #0,0 Current State: 59:[47, 27, 74], Operations: ['81-7=74'] Exploring Operation: 74-27=47, Resulting Numbers: [47, 47] Generated Node #0,0,0: 59:[47, 47] Operation: 74-27=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[47, 47], Operations: ['81-7=74', '74-27=47'] Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,59 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
[ 38, 90, 30, 76 ]
82
[ "38+90=128", "76-30=46", "128-46=82" ]
Current State: 82:[38, 90, 30, 76], Operations: [] Exploring Operation: 38+90=128, Resulting Numbers: [30, 76, 128] Generated Node #2: [30, 76, 128] from Operation: 38+90=128 Current State: 82:[30, 76, 128], Operations: ['38+90=128'] Exploring Operation: 76-30=46, Resulting Numbers: [128, 46] Generated Node #3: [128, 46] from Operation: 76-30=46 Current State: 82:[128, 46], Operations: ['38+90=128', '76-30=46'] Exploring Operation: 128-46=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[38, 90, 30, 76], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [38, 90, 46] Generated Node #0,0: 82:[38, 90, 46] Operation: 76-30=46 Exploring Operation: 76/38=2, Resulting Numbers: [90, 30, 2] Generated Node #0,1: 82:[90, 30, 2] Operation: 76/38=2 Exploring Operation: 76-38=38, Resulting Numbers: [90, 30, 38] Generated Node #0,2: 82:[90, 30, 38] Operation: 76-38=38 Exploring Operation: 90/30=3, Resulting Numbers: [38, 76, 3] Generated Node #0,3: 82:[38, 76, 3] Operation: 90/30=3 Exploring Operation: 38-30=8, Resulting Numbers: [90, 76, 8] Generated Node #0,4: 82:[90, 76, 8] Operation: 38-30=8 Moving to Node #0,3 Current State: 82:[38, 76, 3], Operations: ['90/30=3'] Exploring Operation: 76/38=2, Resulting Numbers: [3, 2] Generated Node #0,3,0: 82:[3, 2] Operation: 76/38=2 Exploring Operation: 38+3=41, Resulting Numbers: [76, 41] Generated Node #0,3,1: 82:[76, 41] Operation: 38+3=41 Exploring Operation: 38-3=35, Resulting Numbers: [76, 35] Generated Node #0,3,2: 82:[76, 35] Operation: 38-3=35 Exploring Operation: 76+3=79, Resulting Numbers: [38, 79] Generated Node #0,3,3: 82:[38, 79] Operation: 76+3=79 Exploring Operation: 76-38=38, Resulting Numbers: [3, 38] Generated Node #0,3,4: 82:[3, 38] Operation: 76-38=38 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 82:[3, 2], Operations: ['90/30=3', '76/38=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,82 unequal: No Solution No 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: 82:[3, 38], Operations: ['90/30=3', '76-38=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,82 unequal: No Solution No 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: 82:[76, 41], Operations: ['90/30=3', '38+3=41'] Exploring Operation: 76+41=117, Resulting Numbers: [117] 117,82 unequal: No Solution Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 76*41=3116, Resulting Numbers: [3116] 3116,82 unequal: No Solution No 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: 82:[38, 79], Operations: ['90/30=3', '76+3=79'] Exploring Operation: 38*79=3002, Resulting Numbers: [3002] 3002,82 unequal: No Solution Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 38+79=117, Resulting Numbers: [117] 117,82 unequal: No Solution No 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: 82:[76, 35], Operations: ['90/30=3', '38-3=35'] Exploring Operation: 76+35=111, Resulting Numbers: [111] 111,82 unequal: No Solution Exploring Operation: 76*35=2660, Resulting Numbers: [2660] 2660,82 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,82 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: 82:[38, 90, 46], Operations: ['76-30=46'] Exploring Operation: 38+90=128, Resulting Numbers: [46, 128] Generated Node #0,0,0: 82:[46, 128] Operation: 38+90=128 Exploring Operation: 46-38=8, Resulting Numbers: [90, 8] Generated Node #0,0,1: 82:[90, 8] Operation: 46-38=8 Exploring Operation: 90-46=44, Resulting Numbers: [38, 44] Generated Node #0,0,2: 82:[38, 44] Operation: 90-46=44 Exploring Operation: 90-38=52, Resulting Numbers: [46, 52] Generated Node #0,0,3: 82:[46, 52] Operation: 90-38=52 Exploring Operation: 38+46=84, Resulting Numbers: [90, 84] Generated Node #0,0,4: 82:[90, 84] Operation: 38+46=84 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[38, 44], Operations: ['76-30=46', '90-46=44'] Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,82 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[38, 90, 30, 76], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [38, 90, 46] Generated Node #0,0: 82:[38, 90, 46] Operation: 76-30=46 Moving to Node #0,0 Current State: 82:[38, 90, 46], Operations: ['76-30=46'] Exploring Operation: 90-46=44, Resulting Numbers: [38, 44] Generated Node #0,0,2: 82:[38, 44] Operation: 90-46=44 Moving to Node #0,0,2 Current State: 82:[38, 44], Operations: ['76-30=46', '90-46=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 3, 56, 15, 43 ]
24
[ "56-43=13", "3*13=39", "39-15=24" ]
Current State: 24:[3, 56, 15, 43], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [3, 15, 13] Generated Node #2: [3, 15, 13] from Operation: 56-43=13 Current State: 24:[3, 15, 13], Operations: ['56-43=13'] Exploring Operation: 3*13=39, Resulting Numbers: [15, 39] Generated Node #3: [15, 39] from Operation: 3*13=39 Current State: 24:[15, 39], Operations: ['56-43=13', '3*13=39'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[3, 56, 15, 43], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [3, 15, 13] Generated Node #0,0: 24:[3, 15, 13] Operation: 56-43=13 Moving to Node #0,0 Current State: 24:[3, 15, 13], Operations: ['56-43=13'] Exploring Operation: 15-13=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 24:[3, 2] Operation: 15-13=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[3, 2], Operations: ['56-43=13', '15-13=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 82, 84, 29, 96 ]
65
[ "84-82=2", "96-29=67", "67-2=65" ]
Current State: 65:[82, 84, 29, 96], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [29, 96, 2] Generated Node #2: [29, 96, 2] from Operation: 84-82=2 Current State: 65:[29, 96, 2], Operations: ['84-82=2'] Exploring Operation: 96-29=67, Resulting Numbers: [2, 67] Generated Node #3: [2, 67] from Operation: 96-29=67 Current State: 65:[2, 67], Operations: ['84-82=2', '96-29=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[82, 84, 29, 96], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [82, 29, 12] Generated Node #0,0: 65:[82, 29, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 65:[82, 29, 12], Operations: ['96-84=12'] Exploring Operation: 82-29=53, Resulting Numbers: [12, 53] Generated Node #0,0,0: 65:[12, 53] Operation: 82-29=53 Moving to Node #0,0,0 Current State: 65:[12, 53], Operations: ['96-84=12', '82-29=53'] Exploring Operation: 12+53=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[82, 84, 29, 96], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [82, 29, 12] Generated Node #0,0: 65:[82, 29, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 65:[82, 29, 12], Operations: ['96-84=12'] Exploring Operation: 82-29=53, Resulting Numbers: [12, 53] Generated Node #0,0,0: 65:[12, 53] Operation: 82-29=53 Moving to Node #0,0,0 Current State: 65:[12, 53], Operations: ['96-84=12', '82-29=53'] Exploring Operation: 12+53=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 43, 7, 36, 35 ]
34
[ "43-7=36", "36/36=1", "35-1=34" ]
Current State: 34:[43, 7, 36, 35], Operations: [] Exploring Operation: 43-7=36, Resulting Numbers: [36, 35, 36] Generated Node #2: [36, 35, 36] from Operation: 43-7=36 Current State: 34:[36, 35, 36], Operations: ['43-7=36'] Exploring Operation: 36/36=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 36/36=1 Current State: 34:[35, 1], Operations: ['43-7=36', '36/36=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[43, 7, 36, 35], Operations: [] Exploring Operation: 43-35=8, Resulting Numbers: [7, 36, 8] Generated Node #0,0: 34:[7, 36, 8] Operation: 43-35=8 Exploring Operation: 36-7=29, Resulting Numbers: [43, 35, 29] Generated Node #0,1: 34:[43, 35, 29] Operation: 36-7=29 Exploring Operation: 43-7=36, Resulting Numbers: [36, 35, 36] Generated Node #0,2: 34:[36, 35, 36] Operation: 43-7=36 Exploring Operation: 35/7=5, Resulting Numbers: [43, 36, 5] Generated Node #0,3: 34:[43, 36, 5] Operation: 35/7=5 Exploring Operation: 43-36=7, Resulting Numbers: [7, 35, 7] Generated Node #0,4: 34:[7, 35, 7] Operation: 43-36=7 Moving to Node #0,2 Current State: 34:[36, 35, 36], Operations: ['43-7=36'] Exploring Operation: 36/36=1, Resulting Numbers: [35, 1] Generated Node #0,2,0: 34:[35, 1] Operation: 36/36=1 Exploring Operation: 36-35=1, Resulting Numbers: [36, 1] Generated Node #0,2,1: 34:[36, 1] Operation: 36-35=1 Exploring Operation: 36-35=1, Resulting Numbers: [36, 1] Generated Node #0,2,2: 34:[36, 1] Operation: 36-35=1 Exploring Operation: 36+35=71, Resulting Numbers: [36, 71] Generated Node #0,2,3: 34:[36, 71] Operation: 36+35=71 Exploring Operation: 36-36=0, Resulting Numbers: [35, 0] Generated Node #0,2,4: 34:[35, 0] Operation: 36-36=0 Moving to Node #0,4 Current State: 34:[7, 35, 7], Operations: ['43-36=7'] Exploring Operation: 35/7=5, Resulting Numbers: [7, 5] Generated Node #0,4,0: 34:[7, 5] Operation: 35/7=5 Exploring Operation: 7-7=0, Resulting Numbers: [35, 0] Generated Node #0,4,1: 34:[35, 0] Operation: 7-7=0 Exploring Operation: 7+7=14, Resulting Numbers: [35, 14] Generated Node #0,4,2: 34:[35, 14] Operation: 7+7=14 Exploring Operation: 7/7=1, Resulting Numbers: [35, 1] Generated Node #0,4,3: 34:[35, 1] Operation: 7/7=1 Exploring Operation: 35/7=5, Resulting Numbers: [7, 5] Generated Node #0,4,4: 34:[7, 5] Operation: 35/7=5 Moving to Node #0,0 Current State: 34:[7, 36, 8], Operations: ['43-35=8'] Exploring Operation: 36-7=29, Resulting Numbers: [8, 29] Generated Node #0,0,0: 34:[8, 29] Operation: 36-7=29 Exploring Operation: 8-7=1, Resulting Numbers: [36, 1] Generated Node #0,0,1: 34:[36, 1] Operation: 8-7=1 Exploring Operation: 36-8=28, Resulting Numbers: [7, 28] Generated Node #0,0,2: 34:[7, 28] Operation: 36-8=28 Exploring Operation: 7+8=15, Resulting Numbers: [36, 15] Generated Node #0,0,3: 34:[36, 15] Operation: 7+8=15 Exploring Operation: 7+36=43, Resulting Numbers: [8, 43] Generated Node #0,0,4: 34:[8, 43] Operation: 7+36=43 Moving to Node #0,3 Current State: 34:[43, 36, 5], Operations: ['35/7=5'] Exploring Operation: 43+5=48, Resulting Numbers: [36, 48] Generated Node #0,3,0: 34:[36, 48] Operation: 43+5=48 Exploring Operation: 36+5=41, Resulting Numbers: [43, 41] Generated Node #0,3,1: 34:[43, 41] Operation: 36+5=41 Exploring Operation: 36-5=31, Resulting Numbers: [43, 31] Generated Node #0,3,2: 34:[43, 31] Operation: 36-5=31 Exploring Operation: 43-5=38, Resulting Numbers: [36, 38] Generated Node #0,3,3: 34:[36, 38] Operation: 43-5=38 Exploring Operation: 43-36=7, Resulting Numbers: [5, 7] Generated Node #0,3,4: 34:[5, 7] Operation: 43-36=7 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[36, 38], Operations: ['35/7=5', '43-5=38'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,34 unequal: No Solution Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[5, 7], Operations: ['35/7=5', '43-36=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[43, 31], Operations: ['35/7=5', '36-5=31'] Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,34 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[36, 48], Operations: ['35/7=5', '43+5=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,34 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[43, 41], Operations: ['35/7=5', '36+5=41'] Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,34 unequal: No Solution Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,34 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,34 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: 34:[43, 35, 29], Operations: ['36-7=29'] Exploring Operation: 43-35=8, Resulting Numbers: [29, 8] Generated Node #0,1,0: 34:[29, 8] Operation: 43-35=8 Exploring Operation: 35-29=6, Resulting Numbers: [43, 6] Generated Node #0,1,1: 34:[43, 6] Operation: 35-29=6 Exploring Operation: 35+29=64, Resulting Numbers: [43, 64] Generated Node #0,1,2: 34:[43, 64] Operation: 35+29=64 Exploring Operation: 43+29=72, Resulting Numbers: [35, 72] Generated Node #0,1,3: 34:[35, 72] Operation: 43+29=72 Exploring Operation: 43-29=14, Resulting Numbers: [35, 14] Generated Node #0,1,4: 34:[35, 14] Operation: 43-29=14 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[35, 14], Operations: ['36-7=29', '43-29=14'] Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,34 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[29, 8], Operations: ['36-7=29', '43-35=8'] Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[43, 6], Operations: ['36-7=29', '35-29=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[43, 64], Operations: ['36-7=29', '35+29=64'] Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 43*64=2752, Resulting Numbers: [2752] 2752,34 unequal: No Solution Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[35, 72], Operations: ['36-7=29', '43+29=72'] Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,34 unequal: No Solution Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,34 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,34 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: 34:[35, 1], Operations: ['43-7=36', '36/36=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[43, 7, 36, 35], Operations: [] Exploring Operation: 43-7=36, Resulting Numbers: [36, 35, 36] Generated Node #0,2: 34:[36, 35, 36] Operation: 43-7=36 Moving to Node #0,2 Current State: 34:[36, 35, 36], Operations: ['43-7=36'] Exploring Operation: 36/36=1, Resulting Numbers: [35, 1] Generated Node #0,2,0: 34:[35, 1] Operation: 36/36=1 Moving to Node #0,2,0 Current State: 34:[35, 1], Operations: ['43-7=36', '36/36=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.940972
hs_5
mult_heuristic
[ 2, 35, 24, 39 ]
17
[ "35-24=11", "2*11=22", "39-22=17" ]
Current State: 17:[2, 35, 24, 39], Operations: [] Exploring Operation: 35-24=11, Resulting Numbers: [2, 39, 11] Generated Node #2: [2, 39, 11] from Operation: 35-24=11 Current State: 17:[2, 39, 11], Operations: ['35-24=11'] Exploring Operation: 2*11=22, Resulting Numbers: [39, 22] Generated Node #3: [39, 22] from Operation: 2*11=22 Current State: 17:[39, 22], Operations: ['35-24=11', '2*11=22'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[2, 35, 24, 39], Operations: [] Exploring Operation: 39-35=4, Resulting Numbers: [2, 24, 4] Generated Node #0,0: 17:[2, 24, 4] Operation: 39-35=4 Exploring Operation: 39-24=15, Resulting Numbers: [2, 35, 15] Generated Node #0,1: 17:[2, 35, 15] Operation: 39-24=15 Exploring Operation: 35-24=11, Resulting Numbers: [2, 39, 11] Generated Node #0,2: 17:[2, 39, 11] Operation: 35-24=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[2, 24, 4], Operations: ['39-35=4'] Exploring Operation: 2*4=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 17:[24, 8] Operation: 2*4=8 Exploring Operation: 24-2=22, Resulting Numbers: [4, 22] Generated Node #0,0,1: 17:[4, 22] Operation: 24-2=22 Exploring Operation: 24/2=12, Resulting Numbers: [4, 12] Generated Node #0,0,2: 17:[4, 12] Operation: 24/2=12 Moving to Node #0,0,0 Current State: 17:[24, 8], Operations: ['39-35=4', '2*4=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[4, 22], Operations: ['39-35=4', '24-2=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,17 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[4, 12], Operations: ['39-35=4', '24/2=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[2, 35, 15], Operations: ['39-24=15'] Exploring Operation: 35-15=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 17:[2, 20] Operation: 35-15=20 Exploring Operation: 35-2=33, Resulting Numbers: [15, 33] Generated Node #0,1,1: 17:[15, 33] Operation: 35-2=33 Exploring Operation: 2+15=17, Resulting Numbers: [35, 17] Generated Node #0,1,2: 17:[35, 17] Operation: 2+15=17 Moving to Node #0,1,0 Current State: 17:[2, 20], Operations: ['39-24=15', '35-15=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[15, 33], Operations: ['39-24=15', '35-2=33'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 15*33=495, Resulting Numbers: [495] 495,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[35, 17], Operations: ['39-24=15', '2+15=17'] Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,17 unequal: No Solution No 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: 17:[2, 39, 11], Operations: ['35-24=11'] Exploring Operation: 2+11=13, Resulting Numbers: [39, 13] Generated Node #0,2,0: 17:[39, 13] Operation: 2+11=13 Exploring Operation: 39-2=37, Resulting Numbers: [11, 37] Generated Node #0,2,1: 17:[11, 37] Operation: 39-2=37 Exploring Operation: 39-11=28, Resulting Numbers: [2, 28] Generated Node #0,2,2: 17:[2, 28] Operation: 39-11=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[39, 13], Operations: ['35-24=11', '2+11=13'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[11, 37], Operations: ['35-24=11', '39-2=37'] Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,17 unequal: No Solution Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[2, 28], Operations: ['35-24=11', '39-11=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 69, 44, 68, 22 ]
35
[ "44/22=2", "68/2=34", "69-34=35" ]
Current State: 35:[69, 44, 68, 22], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [69, 68, 2] Generated Node #2: [69, 68, 2] from Operation: 44/22=2 Current State: 35:[69, 68, 2], Operations: ['44/22=2'] Exploring Operation: 68/2=34, Resulting Numbers: [69, 34] Generated Node #3: [69, 34] from Operation: 68/2=34 Current State: 35:[69, 34], Operations: ['44/22=2', '68/2=34'] Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[69, 44, 68, 22], Operations: [] Exploring Operation: 69-68=1, Resulting Numbers: [44, 22, 1] Generated Node #0,0: 35:[44, 22, 1] Operation: 69-68=1 Moving to Node #0,0 Current State: 35:[44, 22, 1], Operations: ['69-68=1'] Exploring Operation: 44/22=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 35:[1, 2] Operation: 44/22=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[1, 2], Operations: ['69-68=1', '44/22=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,35 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
[ 53, 87, 36, 47 ]
23
[ "87-53=34", "47-36=11", "34-11=23" ]
Current State: 23:[53, 87, 36, 47], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [36, 47, 34] Generated Node #2: [36, 47, 34] from Operation: 87-53=34 Current State: 23:[36, 47, 34], Operations: ['87-53=34'] Exploring Operation: 47-36=11, Resulting Numbers: [34, 11] Generated Node #3: [34, 11] from Operation: 47-36=11 Current State: 23:[34, 11], Operations: ['87-53=34', '47-36=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[53, 87, 36, 47], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [36, 47, 34] Generated Node #0,0: 23:[36, 47, 34] Operation: 87-53=34 Exploring Operation: 87-47=40, Resulting Numbers: [53, 36, 40] Generated Node #0,1: 23:[53, 36, 40] Operation: 87-47=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[36, 47, 34], Operations: ['87-53=34'] Exploring Operation: 47-34=13, Resulting Numbers: [36, 13] Generated Node #0,0,0: 23:[36, 13] Operation: 47-34=13 Exploring Operation: 47-36=11, Resulting Numbers: [34, 11] Generated Node #0,0,1: 23:[34, 11] Operation: 47-36=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[36, 13], Operations: ['87-53=34', '47-34=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[53, 87, 36, 47], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [36, 47, 34] Generated Node #0,0: 23:[36, 47, 34] Operation: 87-53=34 Moving to Node #0,0 Current State: 23:[36, 47, 34], Operations: ['87-53=34'] Exploring Operation: 47-34=13, Resulting Numbers: [36, 13] Generated Node #0,0,0: 23:[36, 13] Operation: 47-34=13 Moving to Node #0,0,0 Current State: 23:[36, 13], Operations: ['87-53=34', '47-34=13'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 34, 2, 13, 15 ]
90
[ "13+15=28", "2*28=56", "34+56=90" ]
Current State: 90:[34, 2, 13, 15], Operations: [] Exploring Operation: 13+15=28, Resulting Numbers: [34, 2, 28] Generated Node #2: [34, 2, 28] from Operation: 13+15=28 Current State: 90:[34, 2, 28], Operations: ['13+15=28'] Exploring Operation: 2*28=56, Resulting Numbers: [34, 56] Generated Node #3: [34, 56] from Operation: 2*28=56 Current State: 90:[34, 56], Operations: ['13+15=28', '2*28=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[34, 2, 13, 15], Operations: [] Exploring Operation: 34+13=47, Resulting Numbers: [2, 15, 47] Generated Node #0,0: 90:[2, 15, 47] Operation: 34+13=47 Exploring Operation: 34-13=21, Resulting Numbers: [2, 15, 21] Generated Node #0,1: 90:[2, 15, 21] Operation: 34-13=21 Exploring Operation: 34/2=17, Resulting Numbers: [13, 15, 17] Generated Node #0,2: 90:[13, 15, 17] Operation: 34/2=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[2, 15, 47], Operations: ['34+13=47'] Exploring Operation: 47-2=45, Resulting Numbers: [15, 45] Generated Node #0,0,0: 90:[15, 45] Operation: 47-2=45 Exploring Operation: 2*15=30, Resulting Numbers: [47, 30] Generated Node #0,0,1: 90:[47, 30] Operation: 2*15=30 Exploring Operation: 47-15=32, Resulting Numbers: [2, 32] Generated Node #0,0,2: 90:[2, 32] Operation: 47-15=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[15, 45], Operations: ['34+13=47', '47-2=45'] Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[47, 30], Operations: ['34+13=47', '2*15=30'] Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,90 unequal: No Solution Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[2, 32], Operations: ['34+13=47', '47-15=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[2, 15, 21], Operations: ['34-13=21'] Exploring Operation: 2*15=30, Resulting Numbers: [21, 30] Generated Node #0,1,0: 90:[21, 30] Operation: 2*15=30 Exploring Operation: 21-15=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 90:[2, 6] Operation: 21-15=6 Exploring Operation: 21-2=19, Resulting Numbers: [15, 19] Generated Node #0,1,2: 90:[15, 19] Operation: 21-2=19 Moving to Node #0,1,1 Current State: 90:[2, 6], Operations: ['34-13=21', '21-15=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[15, 19], Operations: ['34-13=21', '21-2=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,90 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[21, 30], Operations: ['34-13=21', '2*15=30'] Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[13, 15, 17], Operations: ['34/2=17'] Exploring Operation: 17-13=4, Resulting Numbers: [15, 4] Generated Node #0,2,0: 90:[15, 4] Operation: 17-13=4 Exploring Operation: 15-13=2, Resulting Numbers: [17, 2] Generated Node #0,2,1: 90:[17, 2] Operation: 15-13=2 Exploring Operation: 13+17=30, Resulting Numbers: [15, 30] Generated Node #0,2,2: 90:[15, 30] Operation: 13+17=30 Moving to Node #0,2,2 Current State: 90:[15, 30], Operations: ['34/2=17', '13+17=30'] Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[15, 4], Operations: ['34/2=17', '17-13=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[17, 2], Operations: ['34/2=17', '15-13=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,90 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
[ 2, 73, 97, 42 ]
45
[ "42/2=21", "97-73=24", "21+24=45" ]
Current State: 45:[2, 73, 97, 42], Operations: [] Exploring Operation: 42/2=21, Resulting Numbers: [73, 97, 21] Generated Node #2: [73, 97, 21] from Operation: 42/2=21 Current State: 45:[73, 97, 21], Operations: ['42/2=21'] Exploring Operation: 97-73=24, Resulting Numbers: [21, 24] Generated Node #3: [21, 24] from Operation: 97-73=24 Current State: 45:[21, 24], Operations: ['42/2=21', '97-73=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[2, 73, 97, 42], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [2, 42, 24] Generated Node #0,0: 45:[2, 42, 24] Operation: 97-73=24 Exploring Operation: 97-42=55, Resulting Numbers: [2, 73, 55] Generated Node #0,1: 45:[2, 73, 55] Operation: 97-42=55 Moving to Node #0,0 Current State: 45:[2, 42, 24], Operations: ['97-73=24'] Exploring Operation: 2*24=48, Resulting Numbers: [42, 48] Generated Node #0,0,0: 45:[42, 48] Operation: 2*24=48 Exploring Operation: 42-24=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 45:[2, 18] Operation: 42-24=18 Moving to Node #0,1 Current State: 45:[2, 73, 55], Operations: ['97-42=55'] Exploring Operation: 73-2=71, Resulting Numbers: [55, 71] Generated Node #0,1,0: 45:[55, 71] Operation: 73-2=71 Exploring Operation: 73-55=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 45:[2, 18] Operation: 73-55=18 Moving to Node #0,0,1 Current State: 45:[2, 18], Operations: ['97-73=24', '42-24=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[2, 18], Operations: ['97-42=55', '73-55=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[42, 48], Operations: ['97-73=24', '2*24=48'] Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[55, 71], Operations: ['97-42=55', '73-2=71'] Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,45 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 53, 33, 45, 26 ]
93
[ "53*45=2385", "33+2385=2418", "2418/26=93" ]
Current State: 93:[53, 33, 45, 26], Operations: [] Exploring Operation: 53*45=2385, Resulting Numbers: [33, 26, 2385] Generated Node #2: [33, 26, 2385] from Operation: 53*45=2385 Current State: 93:[33, 26, 2385], Operations: ['53*45=2385'] Exploring Operation: 33+2385=2418, Resulting Numbers: [26, 2418] Generated Node #3: [26, 2418] from Operation: 33+2385=2418 Current State: 93:[26, 2418], Operations: ['53*45=2385', '33+2385=2418'] Exploring Operation: 2418/26=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[53, 33, 45, 26], Operations: [] Exploring Operation: 53+45=98, Resulting Numbers: [33, 26, 98] Generated Node #0,0: 93:[33, 26, 98] Operation: 53+45=98 Moving to Node #0,0 Current State: 93:[33, 26, 98], Operations: ['53+45=98'] Exploring Operation: 33-26=7, Resulting Numbers: [98, 7] Generated Node #0,0,0: 93:[98, 7] Operation: 33-26=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[98, 7], Operations: ['53+45=98', '33-26=7'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,93 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
[ 95, 43, 96, 24 ]
20
[ "95-43=52", "96-24=72", "72-52=20" ]
Current State: 20:[95, 43, 96, 24], Operations: [] Exploring Operation: 95-43=52, Resulting Numbers: [96, 24, 52] Generated Node #2: [96, 24, 52] from Operation: 95-43=52 Current State: 20:[96, 24, 52], Operations: ['95-43=52'] Exploring Operation: 96-24=72, Resulting Numbers: [52, 72] Generated Node #3: [52, 72] from Operation: 96-24=72 Current State: 20:[52, 72], Operations: ['95-43=52', '96-24=72'] Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[95, 43, 96, 24], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [43, 24, 1] Generated Node #0,0: 20:[43, 24, 1] Operation: 96-95=1 Exploring Operation: 96/24=4, Resulting Numbers: [95, 43, 4] Generated Node #0,1: 20:[95, 43, 4] Operation: 96/24=4 Moving to Node #0,0 Current State: 20:[43, 24, 1], Operations: ['96-95=1'] Exploring Operation: 43-1=42, Resulting Numbers: [24, 42] Generated Node #0,0,0: 20:[24, 42] Operation: 43-1=42 Exploring Operation: 43-24=19, Resulting Numbers: [1, 19] Generated Node #0,0,1: 20:[1, 19] Operation: 43-24=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[1, 19], Operations: ['96-95=1', '43-24=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[95, 43, 96, 24], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [43, 24, 1] Generated Node #0,0: 20:[43, 24, 1] Operation: 96-95=1 Moving to Node #0,0 Current State: 20:[43, 24, 1], Operations: ['96-95=1'] Exploring Operation: 43-24=19, Resulting Numbers: [1, 19] Generated Node #0,0,1: 20:[1, 19] Operation: 43-24=19 Moving to Node #0,0,1 Current State: 20:[1, 19], Operations: ['96-95=1', '43-24=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 18, 16, 77, 65 ]
46
[ "18+16=34", "77-65=12", "34+12=46" ]
Current State: 46:[18, 16, 77, 65], Operations: [] Exploring Operation: 18+16=34, Resulting Numbers: [77, 65, 34] Generated Node #2: [77, 65, 34] from Operation: 18+16=34 Current State: 46:[77, 65, 34], Operations: ['18+16=34'] Exploring Operation: 77-65=12, Resulting Numbers: [34, 12] Generated Node #3: [34, 12] from Operation: 77-65=12 Current State: 46:[34, 12], Operations: ['18+16=34', '77-65=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[18, 16, 77, 65], Operations: [] Exploring Operation: 77-18=59, Resulting Numbers: [16, 65, 59] Generated Node #0,0: 46:[16, 65, 59] Operation: 77-18=59 Exploring Operation: 65-18=47, Resulting Numbers: [16, 77, 47] Generated Node #0,1: 46:[16, 77, 47] Operation: 65-18=47 Exploring Operation: 77-65=12, Resulting Numbers: [18, 16, 12] Generated Node #0,2: 46:[18, 16, 12] Operation: 77-65=12 Exploring Operation: 77-16=61, Resulting Numbers: [18, 65, 61] Generated Node #0,3: 46:[18, 65, 61] Operation: 77-16=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[18, 16, 12], Operations: ['77-65=12'] Exploring Operation: 16+12=28, Resulting Numbers: [18, 28] Generated Node #0,2,0: 46:[18, 28] Operation: 16+12=28 Exploring Operation: 16-12=4, Resulting Numbers: [18, 4] Generated Node #0,2,1: 46:[18, 4] Operation: 16-12=4 Exploring Operation: 18-16=2, Resulting Numbers: [12, 2] Generated Node #0,2,2: 46:[12, 2] Operation: 18-16=2 Exploring Operation: 18-12=6, Resulting Numbers: [16, 6] Generated Node #0,2,3: 46:[16, 6] Operation: 18-12=6 Moving to Node #0,2,1 Current State: 46:[18, 4], Operations: ['77-65=12', '16-12=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,46 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[12, 2], Operations: ['77-65=12', '18-16=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[18, 28], Operations: ['77-65=12', '16+12=28'] Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,46 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[18, 16, 77, 65], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [18, 16, 12] Generated Node #0,2: 46:[18, 16, 12] Operation: 77-65=12 Moving to Node #0,2 Current State: 46:[18, 16, 12], Operations: ['77-65=12'] Exploring Operation: 16+12=28, Resulting Numbers: [18, 28] Generated Node #0,2,0: 46:[18, 28] Operation: 16+12=28 Moving to Node #0,2,0 Current State: 46:[18, 28], Operations: ['77-65=12', '16+12=28'] Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 38, 29, 78, 39 ]
47
[ "38*78=2964", "2964/39=76", "76-29=47" ]
Current State: 47:[38, 29, 78, 39], Operations: [] Exploring Operation: 38*78=2964, Resulting Numbers: [29, 39, 2964] Generated Node #2: [29, 39, 2964] from Operation: 38*78=2964 Current State: 47:[29, 39, 2964], Operations: ['38*78=2964'] Exploring Operation: 2964/39=76, Resulting Numbers: [29, 76] Generated Node #3: [29, 76] from Operation: 2964/39=76 Current State: 47:[29, 76], Operations: ['38*78=2964', '2964/39=76'] Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 29, 78, 39], Operations: [] Exploring Operation: 29+39=68, Resulting Numbers: [38, 78, 68] Generated Node #0,0: 47:[38, 78, 68] Operation: 29+39=68 Exploring Operation: 78-38=40, Resulting Numbers: [29, 39, 40] Generated Node #0,1: 47:[29, 39, 40] Operation: 78-38=40 Exploring Operation: 38+29=67, Resulting Numbers: [78, 39, 67] Generated Node #0,2: 47:[78, 39, 67] Operation: 38+29=67 Exploring Operation: 78-39=39, Resulting Numbers: [38, 29, 39] Generated Node #0,3: 47:[38, 29, 39] Operation: 78-39=39 Exploring Operation: 78-29=49, Resulting Numbers: [38, 39, 49] Generated Node #0,4: 47:[38, 39, 49] Operation: 78-29=49 Moving to Node #0,4 Current State: 47:[38, 39, 49], Operations: ['78-29=49'] Exploring Operation: 49-38=11, Resulting Numbers: [39, 11] Generated Node #0,4,0: 47:[39, 11] Operation: 49-38=11 Exploring Operation: 49-39=10, Resulting Numbers: [38, 10] Generated Node #0,4,1: 47:[38, 10] Operation: 49-39=10 Exploring Operation: 38+39=77, Resulting Numbers: [49, 77] Generated Node #0,4,2: 47:[49, 77] Operation: 38+39=77 Exploring Operation: 38+49=87, Resulting Numbers: [39, 87] Generated Node #0,4,3: 47:[39, 87] Operation: 38+49=87 Exploring Operation: 39-38=1, Resulting Numbers: [49, 1] Generated Node #0,4,4: 47:[49, 1] Operation: 39-38=1 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 47:[49, 77], Operations: ['78-29=49', '38+39=77'] Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,47 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,47 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 47:[39, 11], Operations: ['78-29=49', '49-38=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 47:[38, 10], Operations: ['78-29=49', '49-39=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,47 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 47:[39, 87], Operations: ['78-29=49', '38+49=87'] Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,47 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 47:[49, 1], Operations: ['78-29=49', '39-38=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 47:[29, 39, 40], Operations: ['78-38=40'] Exploring Operation: 29+40=69, Resulting Numbers: [39, 69] Generated Node #0,1,0: 47:[39, 69] Operation: 29+40=69 Exploring Operation: 39-29=10, Resulting Numbers: [40, 10] Generated Node #0,1,1: 47:[40, 10] Operation: 39-29=10 Exploring Operation: 39+40=79, Resulting Numbers: [29, 79] Generated Node #0,1,2: 47:[29, 79] Operation: 39+40=79 Exploring Operation: 29+39=68, Resulting Numbers: [40, 68] Generated Node #0,1,3: 47:[40, 68] Operation: 29+39=68 Exploring Operation: 40-29=11, Resulting Numbers: [39, 11] Generated Node #0,1,4: 47:[39, 11] Operation: 40-29=11 Moving to Node #0,3 Current State: 47:[38, 29, 39], Operations: ['78-39=39'] Exploring Operation: 38+29=67, Resulting Numbers: [39, 67] Generated Node #0,3,0: 47:[39, 67] Operation: 38+29=67 Exploring Operation: 39-29=10, Resulting Numbers: [38, 10] Generated Node #0,3,1: 47:[38, 10] Operation: 39-29=10 Exploring Operation: 38+39=77, Resulting Numbers: [29, 77] Generated Node #0,3,2: 47:[29, 77] Operation: 38+39=77 Exploring Operation: 29+39=68, Resulting Numbers: [38, 68] Generated Node #0,3,3: 47:[38, 68] Operation: 29+39=68 Exploring Operation: 38-29=9, Resulting Numbers: [39, 9] Generated Node #0,3,4: 47:[39, 9] Operation: 38-29=9 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[39, 67], Operations: ['78-39=39', '38+29=67'] Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 39*67=2613, Resulting Numbers: [2613] 2613,47 unequal: No Solution Exploring Operation: 39+67=106, Resulting Numbers: [106] 106,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 47:[38, 68], Operations: ['78-39=39', '29+39=68'] Exploring Operation: 38*68=2584, Resulting Numbers: [2584] 2584,47 unequal: No Solution Exploring Operation: 38+68=106, Resulting Numbers: [106] 106,47 unequal: No Solution Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[38, 10], Operations: ['78-39=39', '39-29=10'] Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,47 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 47:[39, 9], Operations: ['78-39=39', '38-29=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,47 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[29, 77], Operations: ['78-39=39', '38+39=77'] Exploring Operation: 29+77=106, Resulting Numbers: [106] 106,47 unequal: No Solution Exploring Operation: 29*77=2233, Resulting Numbers: [2233] 2233,47 unequal: No Solution Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 47:[78, 39, 67], Operations: ['38+29=67'] Exploring Operation: 78/39=2, Resulting Numbers: [67, 2] Generated Node #0,2,0: 47:[67, 2] Operation: 78/39=2 Exploring Operation: 78-67=11, Resulting Numbers: [39, 11] Generated Node #0,2,1: 47:[39, 11] Operation: 78-67=11 Exploring Operation: 67-39=28, Resulting Numbers: [78, 28] Generated Node #0,2,2: 47:[78, 28] Operation: 67-39=28 Exploring Operation: 78+39=117, Resulting Numbers: [67, 117] Generated Node #0,2,3: 47:[67, 117] Operation: 78+39=117 Exploring Operation: 78-39=39, Resulting Numbers: [67, 39] Generated Node #0,2,4: 47:[67, 39] Operation: 78-39=39 Moving to Node #0,0 Current State: 47:[38, 78, 68], Operations: ['29+39=68'] Exploring Operation: 38+78=116, Resulting Numbers: [68, 116] Generated Node #0,0,0: 47:[68, 116] Operation: 38+78=116 Exploring Operation: 68-38=30, Resulting Numbers: [78, 30] Generated Node #0,0,1: 47:[78, 30] Operation: 68-38=30 Exploring Operation: 78-68=10, Resulting Numbers: [38, 10] Generated Node #0,0,2: 47:[38, 10] Operation: 78-68=10 Exploring Operation: 38+68=106, Resulting Numbers: [78, 106] Generated Node #0,0,3: 47:[78, 106] Operation: 38+68=106 Exploring Operation: 78-38=40, Resulting Numbers: [68, 40] Generated Node #0,0,4: 47:[68, 40] Operation: 78-38=40 Moving to Node #0,1,3 Current State: 47:[40, 68], Operations: ['78-38=40', '29+39=68'] Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,47 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,47 unequal: No Solution Moving to Node #0,2,4 Current State: 47:[67, 39], Operations: ['38+29=67', '78-39=39'] Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 67+39=106, Resulting Numbers: [106] 106,47 unequal: No Solution Exploring Operation: 67*39=2613, Resulting Numbers: [2613] 2613,47 unequal: No Solution Moving to Node #0,0,4 Current State: 47:[68, 40], Operations: ['29+39=68', '78-38=40'] Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,47 unequal: No Solution Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[39, 69], Operations: ['78-38=40', '29+40=69'] Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[39, 11], Operations: ['38+29=67', '78-67=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[40, 10], Operations: ['78-38=40', '39-29=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 40*10=400, Resulting Numbers: [400] 400,47 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[39, 11], Operations: ['78-38=40', '40-29=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[38, 10], Operations: ['29+39=68', '78-68=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[78, 30], Operations: ['29+39=68', '68-38=30'] Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,47 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[29, 79], Operations: ['78-38=40', '39+40=79'] Exploring Operation: 29+79=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 29*79=2291, Resulting Numbers: [2291] 2291,47 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[78, 28], Operations: ['38+29=67', '67-39=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,47 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,47 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[67, 2], Operations: ['38+29=67', '78/39=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,47 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[78, 106], Operations: ['29+39=68', '38+68=106'] Exploring Operation: 78+106=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 78*106=8268, Resulting Numbers: [8268] 8268,47 unequal: No Solution Exploring Operation: 106-78=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[67, 117], Operations: ['38+29=67', '78+39=117'] Exploring Operation: 67+117=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 67*117=7839, Resulting Numbers: [7839] 7839,47 unequal: No Solution Exploring Operation: 117-67=50, Resulting Numbers: [50] 50,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[68, 116], Operations: ['29+39=68', '38+78=116'] Exploring Operation: 68+116=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 68*116=7888, Resulting Numbers: [7888] 7888,47 unequal: No Solution Exploring Operation: 116-68=48, Resulting Numbers: [48] 48,47 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 93, 63, 30, 54 ]
70
[ "93+54=147", "30*147=4410", "4410/63=70" ]
Current State: 70:[93, 63, 30, 54], Operations: [] Exploring Operation: 93+54=147, Resulting Numbers: [63, 30, 147] Generated Node #2: [63, 30, 147] from Operation: 93+54=147 Current State: 70:[63, 30, 147], Operations: ['93+54=147'] Exploring Operation: 30*147=4410, Resulting Numbers: [63, 4410] Generated Node #3: [63, 4410] from Operation: 30*147=4410 Current State: 70:[63, 4410], Operations: ['93+54=147', '30*147=4410'] Exploring Operation: 4410/63=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[93, 63, 30, 54], Operations: [] Exploring Operation: 93-54=39, Resulting Numbers: [63, 30, 39] Generated Node #0,0: 70:[63, 30, 39] Operation: 93-54=39 Exploring Operation: 93-30=63, Resulting Numbers: [63, 54, 63] Generated Node #0,1: 70:[63, 54, 63] Operation: 93-30=63 Exploring Operation: 93-63=30, Resulting Numbers: [30, 54, 30] Generated Node #0,2: 70:[30, 54, 30] Operation: 93-63=30 Exploring Operation: 63-54=9, Resulting Numbers: [93, 30, 9] Generated Node #0,3: 70:[93, 30, 9] Operation: 63-54=9 Exploring Operation: 54-30=24, Resulting Numbers: [93, 63, 24] Generated Node #0,4: 70:[93, 63, 24] Operation: 54-30=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[63, 30, 39], Operations: ['93-54=39'] Exploring Operation: 30+39=69, Resulting Numbers: [63, 69] Generated Node #0,0,0: 70:[63, 69] Operation: 30+39=69 Exploring Operation: 63-30=33, Resulting Numbers: [39, 33] Generated Node #0,0,1: 70:[39, 33] Operation: 63-30=33 Exploring Operation: 39-30=9, Resulting Numbers: [63, 9] Generated Node #0,0,2: 70:[63, 9] Operation: 39-30=9 Exploring Operation: 63+30=93, Resulting Numbers: [39, 93] Generated Node #0,0,3: 70:[39, 93] Operation: 63+30=93 Exploring Operation: 63-39=24, Resulting Numbers: [30, 24] Generated Node #0,0,4: 70:[30, 24] Operation: 63-39=24 Moving to Node #0,0,1 Current State: 70:[39, 33], Operations: ['93-54=39', '63-30=33'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,70 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[63, 9], Operations: ['93-54=39', '39-30=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[63, 69], Operations: ['93-54=39', '30+39=69'] Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,70 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,70 unequal: No Solution Moving to Node #0,0,4 Current State: 70:[30, 24], Operations: ['93-54=39', '63-39=24'] Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,70 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[39, 93], Operations: ['93-54=39', '63+30=93'] Exploring Operation: 39+93=132, Resulting Numbers: [132] 132,70 unequal: No Solution Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 39*93=3627, Resulting Numbers: [3627] 3627,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[30, 54, 30], Operations: ['93-63=30'] Exploring Operation: 30/30=1, Resulting Numbers: [54, 1] Generated Node #0,2,0: 70:[54, 1] Operation: 30/30=1 Exploring Operation: 54-30=24, Resulting Numbers: [30, 24] Generated Node #0,2,1: 70:[30, 24] Operation: 54-30=24 Exploring Operation: 54-30=24, Resulting Numbers: [30, 24] Generated Node #0,2,2: 70:[30, 24] Operation: 54-30=24 Exploring Operation: 30-30=0, Resulting Numbers: [54, 0] Generated Node #0,2,3: 70:[54, 0] Operation: 30-30=0 Exploring Operation: 30+54=84, Resulting Numbers: [30, 84] Generated Node #0,2,4: 70:[30, 84] Operation: 30+54=84 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[30, 24], Operations: ['93-63=30', '54-30=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 70:[30, 24], Operations: ['93-63=30', '54-30=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[54, 1], Operations: ['93-63=30', '30/30=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 70:[54, 0], Operations: ['93-63=30', '30-30=0'] Exploring Operation: 54*0=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 70:[30, 84], Operations: ['93-63=30', '30+54=84'] Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,70 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[93, 30, 9], Operations: ['63-54=9'] Exploring Operation: 30+9=39, Resulting Numbers: [93, 39] Generated Node #0,3,0: 70:[93, 39] Operation: 30+9=39 Exploring Operation: 93-30=63, Resulting Numbers: [9, 63] Generated Node #0,3,1: 70:[9, 63] Operation: 93-30=63 Exploring Operation: 93+9=102, Resulting Numbers: [30, 102] Generated Node #0,3,2: 70:[30, 102] Operation: 93+9=102 Exploring Operation: 30-9=21, Resulting Numbers: [93, 21] Generated Node #0,3,3: 70:[93, 21] Operation: 30-9=21 Exploring Operation: 93-9=84, Resulting Numbers: [30, 84] Generated Node #0,3,4: 70:[30, 84] Operation: 93-9=84 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[9, 63], Operations: ['63-54=9', '93-30=63'] Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 9*63=567, Resulting Numbers: [567] 567,70 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 70:[30, 84], Operations: ['63-54=9', '93-9=84'] Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,70 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[93, 39], Operations: ['63-54=9', '30+9=39'] Exploring Operation: 93+39=132, Resulting Numbers: [132] 132,70 unequal: No Solution Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 93*39=3627, Resulting Numbers: [3627] 3627,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 70:[93, 21], Operations: ['63-54=9', '30-9=21'] Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,70 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[30, 102], Operations: ['63-54=9', '93+9=102'] Exploring Operation: 102-30=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 30*102=3060, Resulting Numbers: [3060] 3060,70 unequal: No Solution Exploring Operation: 30+102=132, Resulting Numbers: [132] 132,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[63, 54, 63], Operations: ['93-30=63'] Exploring Operation: 63-54=9, Resulting Numbers: [63, 9] Generated Node #0,1,0: 70:[63, 9] Operation: 63-54=9 Exploring Operation: 63-63=0, Resulting Numbers: [54, 0] Generated Node #0,1,1: 70:[54, 0] Operation: 63-63=0 Exploring Operation: 63/63=1, Resulting Numbers: [54, 1] Generated Node #0,1,2: 70:[54, 1] Operation: 63/63=1 Exploring Operation: 63-54=9, Resulting Numbers: [63, 9] Generated Node #0,1,3: 70:[63, 9] Operation: 63-54=9 Exploring Operation: 63+54=117, Resulting Numbers: [63, 117] Generated Node #0,1,4: 70:[63, 117] Operation: 63+54=117 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[63, 9], Operations: ['93-30=63', '63-54=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,70 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 70:[63, 9], Operations: ['93-30=63', '63-54=9'] Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,70 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 70:[54, 1], Operations: ['93-30=63', '63/63=1'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[54, 0], Operations: ['93-30=63', '63-63=0'] Exploring Operation: 54*0=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 70:[63, 117], Operations: ['93-30=63', '63+54=117'] Exploring Operation: 63*117=7371, Resulting Numbers: [7371] 7371,70 unequal: No Solution Exploring Operation: 117-63=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63+117=180, Resulting Numbers: [180] 180,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 70:[93, 63, 24], Operations: ['54-30=24'] Exploring Operation: 93+24=117, Resulting Numbers: [63, 117] Generated Node #0,4,0: 70:[63, 117] Operation: 93+24=117 Exploring Operation: 93-24=69, Resulting Numbers: [63, 69] Generated Node #0,4,1: 70:[63, 69] Operation: 93-24=69 Exploring Operation: 63-24=39, Resulting Numbers: [93, 39] Generated Node #0,4,2: 70:[93, 39] Operation: 63-24=39 Exploring Operation: 63+24=87, Resulting Numbers: [93, 87] Generated Node #0,4,3: 70:[93, 87] Operation: 63+24=87 Exploring Operation: 93-63=30, Resulting Numbers: [24, 30] Generated Node #0,4,4: 70:[24, 30] Operation: 93-63=30 Moving to Node #0,4,1 Current State: 70:[63, 69], Operations: ['54-30=24', '93-24=69'] Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,70 unequal: No Solution Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[24, 30], Operations: ['54-30=24', '93-63=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,70 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[93, 39], Operations: ['54-30=24', '63-24=39'] Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 93*39=3627, Resulting Numbers: [3627] 3627,70 unequal: No Solution Exploring Operation: 93+39=132, Resulting Numbers: [132] 132,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[93, 87], Operations: ['54-30=24', '63+24=87'] Exploring Operation: 93+87=180, Resulting Numbers: [180] 180,70 unequal: No Solution Exploring Operation: 93*87=8091, Resulting Numbers: [8091] 8091,70 unequal: No Solution Exploring Operation: 93-87=6, Resulting Numbers: [6] 6,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[63, 117], Operations: ['54-30=24', '93+24=117'] Exploring Operation: 63*117=7371, Resulting Numbers: [7371] 7371,70 unequal: No Solution Exploring Operation: 117-63=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 63+117=180, Resulting Numbers: [180] 180,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 39, 85, 24, 30 ]
87
[ "39-24=15", "30/15=2", "85+2=87" ]
Current State: 87:[39, 85, 24, 30], Operations: [] Exploring Operation: 39-24=15, Resulting Numbers: [85, 30, 15] Generated Node #2: [85, 30, 15] from Operation: 39-24=15 Current State: 87:[85, 30, 15], Operations: ['39-24=15'] Exploring Operation: 30/15=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 30/15=2 Current State: 87:[85, 2], Operations: ['39-24=15', '30/15=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[39, 85, 24, 30], Operations: [] Exploring Operation: 85-39=46, Resulting Numbers: [24, 30, 46] Generated Node #0,0: 87:[24, 30, 46] Operation: 85-39=46 Exploring Operation: 39-30=9, Resulting Numbers: [85, 24, 9] Generated Node #0,1: 87:[85, 24, 9] Operation: 39-30=9 Exploring Operation: 39-24=15, Resulting Numbers: [85, 30, 15] Generated Node #0,2: 87:[85, 30, 15] Operation: 39-24=15 Exploring Operation: 30-24=6, Resulting Numbers: [39, 85, 6] Generated Node #0,3: 87:[39, 85, 6] Operation: 30-24=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[85, 24, 9], Operations: ['39-30=9'] Exploring Operation: 24-9=15, Resulting Numbers: [85, 15] Generated Node #0,1,0: 87:[85, 15] Operation: 24-9=15 Exploring Operation: 85-9=76, Resulting Numbers: [24, 76] Generated Node #0,1,1: 87:[24, 76] Operation: 85-9=76 Exploring Operation: 24+9=33, Resulting Numbers: [85, 33] Generated Node #0,1,2: 87:[85, 33] Operation: 24+9=33 Exploring Operation: 85+9=94, Resulting Numbers: [24, 94] Generated Node #0,1,3: 87:[24, 94] Operation: 85+9=94 Moving to Node #0,1,2 Current State: 87:[85, 33], Operations: ['39-30=9', '24+9=33'] Exploring Operation: 85+33=118, Resulting Numbers: [118] 118,87 unequal: No Solution Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 85*33=2805, Resulting Numbers: [2805] 2805,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[24, 94], Operations: ['39-30=9', '85+9=94'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,87 unequal: No Solution Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[85, 15], Operations: ['39-30=9', '24-9=15'] Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,87 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[24, 76], Operations: ['39-30=9', '85-9=76'] Exploring Operation: 24+76=100, Resulting Numbers: [100] 100,87 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 24*76=1824, Resulting Numbers: [1824] 1824,87 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:[85, 30, 15], Operations: ['39-24=15'] Exploring Operation: 30-15=15, Resulting Numbers: [85, 15] Generated Node #0,2,0: 87:[85, 15] Operation: 30-15=15 Exploring Operation: 85+15=100, Resulting Numbers: [30, 100] Generated Node #0,2,1: 87:[30, 100] Operation: 85+15=100 Exploring Operation: 85-15=70, Resulting Numbers: [30, 70] Generated Node #0,2,2: 87:[30, 70] Operation: 85-15=70 Exploring Operation: 30/15=2, Resulting Numbers: [85, 2] Generated Node #0,2,3: 87:[85, 2] Operation: 30/15=2 Moving to Node #0,2,3 Current State: 87:[85, 2], Operations: ['39-24=15', '30/15=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,87 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[39, 85, 24, 30], Operations: [] Exploring Operation: 39-24=15, Resulting Numbers: [85, 30, 15] Generated Node #0,2: 87:[85, 30, 15] Operation: 39-24=15 Moving to Node #0,2 Current State: 87:[85, 30, 15], Operations: ['39-24=15'] Exploring Operation: 30/15=2, Resulting Numbers: [85, 2] Generated Node #0,2,3: 87:[85, 2] Operation: 30/15=2 Moving to Node #0,2,3 Current State: 87:[85, 2], Operations: ['39-24=15', '30/15=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 64, 39, 11, 79 ]
26
[ "64+79=143", "143/11=13", "39-13=26" ]
Current State: 26:[64, 39, 11, 79], Operations: [] Exploring Operation: 64+79=143, Resulting Numbers: [39, 11, 143] Generated Node #2: [39, 11, 143] from Operation: 64+79=143 Current State: 26:[39, 11, 143], Operations: ['64+79=143'] Exploring Operation: 143/11=13, Resulting Numbers: [39, 13] Generated Node #3: [39, 13] from Operation: 143/11=13 Current State: 26:[39, 13], Operations: ['64+79=143', '143/11=13'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[64, 39, 11, 79], Operations: [] Exploring Operation: 64-11=53, Resulting Numbers: [39, 79, 53] Generated Node #0,0: 26:[39, 79, 53] Operation: 64-11=53 Exploring Operation: 39-11=28, Resulting Numbers: [64, 79, 28] Generated Node #0,1: 26:[64, 79, 28] Operation: 39-11=28 Exploring Operation: 79-39=40, Resulting Numbers: [64, 11, 40] Generated Node #0,2: 26:[64, 11, 40] Operation: 79-39=40 Exploring Operation: 79-64=15, Resulting Numbers: [39, 11, 15] Generated Node #0,3: 26:[39, 11, 15] Operation: 79-64=15 Exploring Operation: 64-39=25, Resulting Numbers: [11, 79, 25] Generated Node #0,4: 26:[11, 79, 25] Operation: 64-39=25 Moving to Node #0,3 Current State: 26:[39, 11, 15], Operations: ['79-64=15'] Exploring Operation: 15-11=4, Resulting Numbers: [39, 4] Generated Node #0,3,0: 26:[39, 4] Operation: 15-11=4 Exploring Operation: 39-15=24, Resulting Numbers: [11, 24] Generated Node #0,3,1: 26:[11, 24] Operation: 39-15=24 Exploring Operation: 11+15=26, Resulting Numbers: [39, 26] Generated Node #0,3,2: 26:[39, 26] Operation: 11+15=26 Exploring Operation: 39-11=28, Resulting Numbers: [15, 28] Generated Node #0,3,3: 26:[15, 28] Operation: 39-11=28 Exploring Operation: 39+11=50, Resulting Numbers: [15, 50] Generated Node #0,3,4: 26:[15, 50] Operation: 39+11=50 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[11, 24], Operations: ['79-64=15', '39-15=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[15, 28], Operations: ['79-64=15', '39-11=28'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[39, 26], Operations: ['79-64=15', '11+15=26'] Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,26 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[39, 4], Operations: ['79-64=15', '15-11=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[15, 50], Operations: ['79-64=15', '39+11=50'] Exploring Operation: 15*50=750, Resulting Numbers: [750] 750,26 unequal: No Solution Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 15+50=65, Resulting Numbers: [65] 65,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 26:[64, 11, 40], Operations: ['79-39=40'] Exploring Operation: 64-40=24, Resulting Numbers: [11, 24] Generated Node #0,2,0: 26:[11, 24] Operation: 64-40=24 Exploring Operation: 64-11=53, Resulting Numbers: [40, 53] Generated Node #0,2,1: 26:[40, 53] Operation: 64-11=53 Exploring Operation: 11+40=51, Resulting Numbers: [64, 51] Generated Node #0,2,2: 26:[64, 51] Operation: 11+40=51 Exploring Operation: 64+11=75, Resulting Numbers: [40, 75] Generated Node #0,2,3: 26:[40, 75] Operation: 64+11=75 Exploring Operation: 40-11=29, Resulting Numbers: [64, 29] Generated Node #0,2,4: 26:[64, 29] Operation: 40-11=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[11, 24], Operations: ['79-39=40', '64-40=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[40, 53], Operations: ['79-39=40', '64-11=53'] Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,26 unequal: No Solution Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 26:[64, 29], Operations: ['79-39=40', '40-11=29'] Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,26 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[64, 51], Operations: ['79-39=40', '11+40=51'] Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 64*51=3264, Resulting Numbers: [3264] 3264,26 unequal: No Solution Exploring Operation: 64+51=115, Resulting Numbers: [115] 115,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[40, 75], Operations: ['79-39=40', '64+11=75'] Exploring Operation: 40+75=115, Resulting Numbers: [115] 115,26 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 40*75=3000, Resulting Numbers: [3000] 3000,26 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: 26:[11, 79, 25], Operations: ['64-39=25'] Exploring Operation: 79-11=68, Resulting Numbers: [25, 68] Generated Node #0,4,0: 26:[25, 68] Operation: 79-11=68 Exploring Operation: 25-11=14, Resulting Numbers: [79, 14] Generated Node #0,4,1: 26:[79, 14] Operation: 25-11=14 Exploring Operation: 11+25=36, Resulting Numbers: [79, 36] Generated Node #0,4,2: 26:[79, 36] Operation: 11+25=36 Exploring Operation: 11+79=90, Resulting Numbers: [25, 90] Generated Node #0,4,3: 26:[25, 90] Operation: 11+79=90 Exploring Operation: 79-25=54, Resulting Numbers: [11, 54] Generated Node #0,4,4: 26:[11, 54] Operation: 79-25=54 Moving to Node #0,0 Current State: 26:[39, 79, 53], Operations: ['64-11=53'] Exploring Operation: 79-39=40, Resulting Numbers: [53, 40] Generated Node #0,0,0: 26:[53, 40] Operation: 79-39=40 Exploring Operation: 53-39=14, Resulting Numbers: [79, 14] Generated Node #0,0,1: 26:[79, 14] Operation: 53-39=14 Exploring Operation: 39+79=118, Resulting Numbers: [53, 118] Generated Node #0,0,2: 26:[53, 118] Operation: 39+79=118 Exploring Operation: 39+53=92, Resulting Numbers: [79, 92] Generated Node #0,0,3: 26:[79, 92] Operation: 39+53=92 Exploring Operation: 79-53=26, Resulting Numbers: [39, 26] Generated Node #0,0,4: 26:[39, 26] Operation: 79-53=26 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 26:[39, 26], Operations: ['64-11=53', '79-53=26'] Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[53, 40], Operations: ['64-11=53', '79-39=40'] Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,26 unequal: No Solution Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[79, 14], Operations: ['64-11=53', '53-39=14'] Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,26 unequal: No Solution Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 26:[53, 118], Operations: ['64-11=53', '39+79=118'] Exploring Operation: 118-53=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 53+118=171, Resulting Numbers: [171] 171,26 unequal: No Solution Exploring Operation: 53*118=6254, Resulting Numbers: [6254] 6254,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[79, 92], Operations: ['64-11=53', '39+53=92'] Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 79*92=7268, Resulting Numbers: [7268] 7268,26 unequal: No Solution Exploring Operation: 79+92=171, Resulting Numbers: [171] 171,26 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: 26:[64, 79, 28], Operations: ['39-11=28'] Exploring Operation: 79-28=51, Resulting Numbers: [64, 51] Generated Node #0,1,0: 26:[64, 51] Operation: 79-28=51 Exploring Operation: 64+79=143, Resulting Numbers: [28, 143] Generated Node #0,1,1: 26:[28, 143] Operation: 64+79=143 Exploring Operation: 64+28=92, Resulting Numbers: [79, 92] Generated Node #0,1,2: 26:[79, 92] Operation: 64+28=92 Exploring Operation: 64-28=36, Resulting Numbers: [79, 36] Generated Node #0,1,3: 26:[79, 36] Operation: 64-28=36 Exploring Operation: 79-64=15, Resulting Numbers: [28, 15] Generated Node #0,1,4: 26:[28, 15] Operation: 79-64=15 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 26:[28, 15], Operations: ['39-11=28', '79-64=15'] Exploring Operation: 28*15=420, Resulting Numbers: [420] 420,26 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[64, 51], Operations: ['39-11=28', '79-28=51'] Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 64*51=3264, Resulting Numbers: [3264] 3264,26 unequal: No Solution Exploring Operation: 64+51=115, Resulting Numbers: [115] 115,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[79, 36], Operations: ['39-11=28', '64-28=36'] Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 79+36=115, Resulting Numbers: [115] 115,26 unequal: No Solution Exploring Operation: 79*36=2844, Resulting Numbers: [2844] 2844,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[28, 143], Operations: ['39-11=28', '64+79=143'] Exploring Operation: 28*143=4004, Resulting Numbers: [4004] 4004,26 unequal: No Solution Exploring Operation: 28+143=171, Resulting Numbers: [171] 171,26 unequal: No Solution Exploring Operation: 143-28=115, Resulting Numbers: [115] 115,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[79, 92], Operations: ['39-11=28', '64+28=92'] Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 79+92=171, Resulting Numbers: [171] 171,26 unequal: No Solution Exploring Operation: 79*92=7268, Resulting Numbers: [7268] 7268,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 26:[11, 54], Operations: ['64-39=25', '79-25=54'] Exploring Operation: 11*54=594, Resulting Numbers: [594] 594,26 unequal: No Solution Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 11+54=65, Resulting Numbers: [65] 65,26 unequal: No Solution Moving to Node #0,4,0 Current State: 26:[25, 68], Operations: ['64-39=25', '79-11=68'] Exploring Operation: 25*68=1700, Resulting Numbers: [1700] 1700,26 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 25+68=93, Resulting Numbers: [93] 93,26 unequal: No Solution Moving to Node #0,4,1 Current State: 26:[79, 14], Operations: ['64-39=25', '25-11=14'] Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,26 unequal: No Solution Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,26 unequal: No Solution Moving to Node #0,4,2 Current State: 26:[79, 36], Operations: ['64-39=25', '11+25=36'] Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 79+36=115, Resulting Numbers: [115] 115,26 unequal: No Solution Exploring Operation: 79*36=2844, Resulting Numbers: [2844] 2844,26 unequal: No Solution Moving to Node #0,4,3 Current State: 26:[25, 90], Operations: ['64-39=25', '11+79=90'] Exploring Operation: 25*90=2250, Resulting Numbers: [2250] 2250,26 unequal: No Solution Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 25+90=115, Resulting Numbers: [115] 115,26 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 86, 84, 65, 24 ]
28
[ "86-65=21", "84/21=4", "24+4=28" ]
Current State: 28:[86, 84, 65, 24], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [84, 24, 21] Generated Node #2: [84, 24, 21] from Operation: 86-65=21 Current State: 28:[84, 24, 21], Operations: ['86-65=21'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 84/21=4 Current State: 28:[24, 4], Operations: ['86-65=21', '84/21=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[86, 84, 65, 24], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [84, 24, 21] Generated Node #0,0: 28:[84, 24, 21] Operation: 86-65=21 Exploring Operation: 86-84=2, Resulting Numbers: [65, 24, 2] Generated Node #0,1: 28:[65, 24, 2] Operation: 86-84=2 Moving to Node #0,1 Current State: 28:[65, 24, 2], Operations: ['86-84=2'] Exploring Operation: 65-2=63, Resulting Numbers: [24, 63] Generated Node #0,1,0: 28:[24, 63] Operation: 65-2=63 Exploring Operation: 65-24=41, Resulting Numbers: [2, 41] Generated Node #0,1,1: 28:[2, 41] Operation: 65-24=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[2, 41], Operations: ['86-84=2', '65-24=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[24, 63], Operations: ['86-84=2', '65-2=63'] Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 24+63=87, Resulting Numbers: [87] 87,28 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: 28:[84, 24, 21], Operations: ['86-65=21'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 28:[24, 4] Operation: 84/21=4 Exploring Operation: 84-24=60, Resulting Numbers: [21, 60] Generated Node #0,0,1: 28:[21, 60] Operation: 84-24=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[24, 4], Operations: ['86-65=21', '84/21=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[86, 84, 65, 24], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [84, 24, 21] Generated Node #0,0: 28:[84, 24, 21] Operation: 86-65=21 Moving to Node #0,0 Current State: 28:[84, 24, 21], Operations: ['86-65=21'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 28:[24, 4] Operation: 84/21=4 Moving to Node #0,0,0 Current State: 28:[24, 4], Operations: ['86-65=21', '84/21=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 3, 45, 42, 8 ]
92
[ "45-3=42", "42+8=50", "42+50=92" ]
Current State: 92:[3, 45, 42, 8], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [42, 8, 42] Generated Node #2: [42, 8, 42] from Operation: 45-3=42 Current State: 92:[42, 8, 42], Operations: ['45-3=42'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,92 equal: Goal Reached Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[3, 45, 42, 8], Operations: [] Exploring Operation: 3+42=45, Resulting Numbers: [45, 8, 45] Generated Node #0,0: 92:[45, 8, 45] Operation: 3+42=45 Moving to Node #0,0 Current State: 92:[45, 8, 45], Operations: ['3+42=45'] Exploring Operation: 45/45=1, Resulting Numbers: [8, 1] Generated Node #0,0,0: 92:[8, 1] Operation: 45/45=1 Moving to Node #0,0,0 Current State: 92:[8, 1], Operations: ['3+42=45', '45/45=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 90, 29, 2, 62 ]
78
[ "90/2=45", "62-29=33", "45+33=78" ]
Current State: 78:[90, 29, 2, 62], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [29, 62, 45] Generated Node #2: [29, 62, 45] from Operation: 90/2=45 Current State: 78:[29, 62, 45], Operations: ['90/2=45'] Exploring Operation: 62-29=33, Resulting Numbers: [45, 33] Generated Node #3: [45, 33] from Operation: 62-29=33 Current State: 78:[45, 33], Operations: ['90/2=45', '62-29=33'] Exploring Operation: 45+33=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[90, 29, 2, 62], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [29, 2, 28] Generated Node #0,0: 78:[29, 2, 28] Operation: 90-62=28 Moving to Node #0,0 Current State: 78:[29, 2, 28], Operations: ['90-62=28'] Exploring Operation: 29-28=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 78:[2, 1] Operation: 29-28=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[2, 1], Operations: ['90-62=28', '29-28=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 83, 74, 19, 4 ]
40
[ "83-74=9", "19-9=10", "4*10=40" ]
Current State: 40:[83, 74, 19, 4], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [19, 4, 9] Generated Node #2: [19, 4, 9] from Operation: 83-74=9 Current State: 40:[19, 4, 9], Operations: ['83-74=9'] Exploring Operation: 19-9=10, Resulting Numbers: [4, 10] Generated Node #3: [4, 10] from Operation: 19-9=10 Current State: 40:[4, 10], Operations: ['83-74=9', '19-9=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[83, 74, 19, 4], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [74, 4, 64] Generated Node #0,0: 40:[74, 4, 64] Operation: 83-19=64 Exploring Operation: 83-74=9, Resulting Numbers: [19, 4, 9] Generated Node #0,1: 40:[19, 4, 9] Operation: 83-74=9 Exploring Operation: 74-19=55, Resulting Numbers: [83, 4, 55] Generated Node #0,2: 40:[83, 4, 55] Operation: 74-19=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[19, 4, 9], Operations: ['83-74=9'] Exploring Operation: 19-9=10, Resulting Numbers: [4, 10] Generated Node #0,1,0: 40:[4, 10] Operation: 19-9=10 Exploring Operation: 9-4=5, Resulting Numbers: [19, 5] Generated Node #0,1,1: 40:[19, 5] Operation: 9-4=5 Exploring Operation: 19+4=23, Resulting Numbers: [9, 23] Generated Node #0,1,2: 40:[9, 23] Operation: 19+4=23 Moving to Node #0,1,0 Current State: 40:[4, 10], Operations: ['83-74=9', '19-9=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[83, 74, 19, 4], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [19, 4, 9] Generated Node #0,1: 40:[19, 4, 9] Operation: 83-74=9 Moving to Node #0,1 Current State: 40:[19, 4, 9], Operations: ['83-74=9'] Exploring Operation: 19-9=10, Resulting Numbers: [4, 10] Generated Node #0,1,0: 40:[4, 10] Operation: 19-9=10 Moving to Node #0,1,0 Current State: 40:[4, 10], Operations: ['83-74=9', '19-9=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 60, 33, 67, 22 ]
23
[ "60*33=1980", "1980/22=90", "90-67=23" ]
Current State: 23:[60, 33, 67, 22], Operations: [] Exploring Operation: 60*33=1980, Resulting Numbers: [67, 22, 1980] Generated Node #2: [67, 22, 1980] from Operation: 60*33=1980 Current State: 23:[67, 22, 1980], Operations: ['60*33=1980'] Exploring Operation: 1980/22=90, Resulting Numbers: [67, 90] Generated Node #3: [67, 90] from Operation: 1980/22=90 Current State: 23:[67, 90], Operations: ['60*33=1980', '1980/22=90'] Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[60, 33, 67, 22], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [60, 22, 34] Generated Node #0,0: 23:[60, 22, 34] Operation: 67-33=34 Exploring Operation: 60-33=27, Resulting Numbers: [67, 22, 27] Generated Node #0,1: 23:[67, 22, 27] Operation: 60-33=27 Exploring Operation: 67-60=7, Resulting Numbers: [33, 22, 7] Generated Node #0,2: 23:[33, 22, 7] Operation: 67-60=7 Exploring Operation: 60-22=38, Resulting Numbers: [33, 67, 38] Generated Node #0,3: 23:[33, 67, 38] Operation: 60-22=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[33, 22, 7], Operations: ['67-60=7'] Exploring Operation: 33+7=40, Resulting Numbers: [22, 40] Generated Node #0,2,0: 23:[22, 40] Operation: 33+7=40 Exploring Operation: 33-7=26, Resulting Numbers: [22, 26] Generated Node #0,2,1: 23:[22, 26] Operation: 33-7=26 Exploring Operation: 22+7=29, Resulting Numbers: [33, 29] Generated Node #0,2,2: 23:[33, 29] Operation: 22+7=29 Exploring Operation: 22-7=15, Resulting Numbers: [33, 15] Generated Node #0,2,3: 23:[33, 15] Operation: 22-7=15 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[22, 26], Operations: ['67-60=7', '33-7=26'] Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,23 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[33, 29], Operations: ['67-60=7', '22+7=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,23 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[22, 40], Operations: ['67-60=7', '33+7=40'] Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,23 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[33, 15], Operations: ['67-60=7', '22-7=15'] Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[60, 22, 34], Operations: ['67-33=34'] Exploring Operation: 60-22=38, Resulting Numbers: [34, 38] Generated Node #0,0,0: 23:[34, 38] Operation: 60-22=38 Exploring Operation: 60+22=82, Resulting Numbers: [34, 82] Generated Node #0,0,1: 23:[34, 82] Operation: 60+22=82 Exploring Operation: 60-34=26, Resulting Numbers: [22, 26] Generated Node #0,0,2: 23:[22, 26] Operation: 60-34=26 Exploring Operation: 34-22=12, Resulting Numbers: [60, 12] Generated Node #0,0,3: 23:[60, 12] Operation: 34-22=12 Moving to Node #0,0,2 Current State: 23:[22, 26], Operations: ['67-33=34', '60-34=26'] Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,23 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[34, 38], Operations: ['67-33=34', '60-22=38'] Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,23 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[60, 12], Operations: ['67-33=34', '34-22=12'] Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 60*12=720, Resulting Numbers: [720] 720,23 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[34, 82], Operations: ['67-33=34', '60+22=82'] Exploring Operation: 34*82=2788, Resulting Numbers: [2788] 2788,23 unequal: No Solution Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,23 unequal: No Solution Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,23 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 Current State: 23:[67, 22, 27], Operations: ['60-33=27'] Exploring Operation: 27-22=5, Resulting Numbers: [67, 5] Generated Node #0,1,0: 23:[67, 5] Operation: 27-22=5 Exploring Operation: 67-22=45, Resulting Numbers: [27, 45] Generated Node #0,1,1: 23:[27, 45] Operation: 67-22=45 Exploring Operation: 67-27=40, Resulting Numbers: [22, 40] Generated Node #0,1,2: 23:[22, 40] Operation: 67-27=40 Exploring Operation: 67+22=89, Resulting Numbers: [27, 89] Generated Node #0,1,3: 23:[27, 89] Operation: 67+22=89 Moving to Node #0,1,2 Current State: 23:[22, 40], Operations: ['60-33=27', '67-27=40'] Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[27, 45], Operations: ['60-33=27', '67-22=45'] Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 27*45=1215, Resulting Numbers: [1215] 1215,23 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[67, 5], Operations: ['60-33=27', '27-22=5'] Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,23 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[27, 89], Operations: ['60-33=27', '67+22=89'] Exploring Operation: 27+89=116, Resulting Numbers: [116] 116,23 unequal: No Solution Exploring Operation: 27*89=2403, Resulting Numbers: [2403] 2403,23 unequal: No Solution Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[33, 67, 38], Operations: ['60-22=38'] Exploring Operation: 33+67=100, Resulting Numbers: [38, 100] Generated Node #0,3,0: 23:[38, 100] Operation: 33+67=100 Exploring Operation: 67-38=29, Resulting Numbers: [33, 29] Generated Node #0,3,1: 23:[33, 29] Operation: 67-38=29 Exploring Operation: 67-33=34, Resulting Numbers: [38, 34] Generated Node #0,3,2: 23:[38, 34] Operation: 67-33=34 Exploring Operation: 38-33=5, Resulting Numbers: [67, 5] Generated Node #0,3,3: 23:[67, 5] Operation: 38-33=5 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[33, 29], Operations: ['60-22=38', '67-38=29'] Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,23 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[38, 34], Operations: ['60-22=38', '67-33=34'] Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,23 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[67, 5], Operations: ['60-22=38', '38-33=5'] Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,23 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[38, 100], Operations: ['60-22=38', '33+67=100'] Exploring Operation: 38*100=3800, Resulting Numbers: [3800] 3800,23 unequal: No Solution Exploring Operation: 38+100=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 100-38=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 16, 19, 30, 59 ]
12
[ "16*30=480", "59-19=40", "480/40=12" ]
Current State: 12:[16, 19, 30, 59], Operations: [] Exploring Operation: 16*30=480, Resulting Numbers: [19, 59, 480] Generated Node #2: [19, 59, 480] from Operation: 16*30=480 Current State: 12:[19, 59, 480], Operations: ['16*30=480'] Exploring Operation: 59-19=40, Resulting Numbers: [480, 40] Generated Node #3: [480, 40] from Operation: 59-19=40 Current State: 12:[480, 40], Operations: ['16*30=480', '59-19=40'] Exploring Operation: 480/40=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[16, 19, 30, 59], Operations: [] Exploring Operation: 30-16=14, Resulting Numbers: [19, 59, 14] Generated Node #0,0: 12:[19, 59, 14] Operation: 30-16=14 Exploring Operation: 30-19=11, Resulting Numbers: [16, 59, 11] Generated Node #0,1: 12:[16, 59, 11] Operation: 30-19=11 Exploring Operation: 59-30=29, Resulting Numbers: [16, 19, 29] Generated Node #0,2: 12:[16, 19, 29] Operation: 59-30=29 Exploring Operation: 59-19=40, Resulting Numbers: [16, 30, 40] Generated Node #0,3: 12:[16, 30, 40] Operation: 59-19=40 Moving to Node #0,2 Current State: 12:[16, 19, 29], Operations: ['59-30=29'] Exploring Operation: 29-19=10, Resulting Numbers: [16, 10] Generated Node #0,2,0: 12:[16, 10] Operation: 29-19=10 Exploring Operation: 19-16=3, Resulting Numbers: [29, 3] Generated Node #0,2,1: 12:[29, 3] Operation: 19-16=3 Exploring Operation: 16+19=35, Resulting Numbers: [29, 35] Generated Node #0,2,2: 12:[29, 35] Operation: 16+19=35 Exploring Operation: 29-16=13, Resulting Numbers: [19, 13] Generated Node #0,2,3: 12:[19, 13] Operation: 29-16=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[16, 10], Operations: ['59-30=29', '29-19=10'] Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,12 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,12 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 #0,2,3 Current State: 12:[19, 13], Operations: ['59-30=29', '29-16=13'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,12 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 #0,2,1 Current State: 12:[29, 3], Operations: ['59-30=29', '19-16=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,12 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 #0,2,2 Current State: 12:[29, 35], Operations: ['59-30=29', '16+19=35'] Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,12 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: 12:[16, 30, 40], Operations: ['59-19=40'] Exploring Operation: 40-30=10, Resulting Numbers: [16, 10] Generated Node #0,3,0: 12:[16, 10] Operation: 40-30=10 Exploring Operation: 16+30=46, Resulting Numbers: [40, 46] Generated Node #0,3,1: 12:[40, 46] Operation: 16+30=46 Exploring Operation: 40-16=24, Resulting Numbers: [30, 24] Generated Node #0,3,2: 12:[30, 24] Operation: 40-16=24 Exploring Operation: 30-16=14, Resulting Numbers: [40, 14] Generated Node #0,3,3: 12:[40, 14] Operation: 30-16=14 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[16, 10], Operations: ['59-19=40', '40-30=10'] Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,12 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,12 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 #0,3,2 Current State: 12:[30, 24], Operations: ['59-19=40', '40-16=24'] Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,12 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,12 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 #0,3,3 Current State: 12:[40, 14], Operations: ['59-19=40', '30-16=14'] Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,12 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,12 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 #0,3,1 Current State: 12:[40, 46], Operations: ['59-19=40', '16+30=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,12 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: 12:[16, 59, 11], Operations: ['30-19=11'] Exploring Operation: 59-16=43, Resulting Numbers: [11, 43] Generated Node #0,1,0: 12:[11, 43] Operation: 59-16=43 Exploring Operation: 16-11=5, Resulting Numbers: [59, 5] Generated Node #0,1,1: 12:[59, 5] Operation: 16-11=5 Exploring Operation: 16+11=27, Resulting Numbers: [59, 27] Generated Node #0,1,2: 12:[59, 27] Operation: 16+11=27 Exploring Operation: 59-11=48, Resulting Numbers: [16, 48] Generated Node #0,1,3: 12:[16, 48] Operation: 59-11=48 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[11, 43], Operations: ['30-19=11', '59-16=43'] Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,12 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 #0,1,3 Current State: 12:[16, 48], Operations: ['30-19=11', '59-11=48'] Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,12 unequal: No Solution Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,12 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 #0,1,1 Current State: 12:[59, 5], Operations: ['30-19=11', '16-11=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,12 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,12 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 #0,1,2 Current State: 12:[59, 27], Operations: ['30-19=11', '16+11=27'] Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,12 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,12 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: 12:[19, 59, 14], Operations: ['30-16=14'] Exploring Operation: 19-14=5, Resulting Numbers: [59, 5] Generated Node #0,0,0: 12:[59, 5] Operation: 19-14=5 Exploring Operation: 59-19=40, Resulting Numbers: [14, 40] Generated Node #0,0,1: 12:[14, 40] Operation: 59-19=40 Exploring Operation: 19+59=78, Resulting Numbers: [14, 78] Generated Node #0,0,2: 12:[14, 78] Operation: 19+59=78 Exploring Operation: 59-14=45, Resulting Numbers: [19, 45] Generated Node #0,0,3: 12:[19, 45] Operation: 59-14=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[14, 40], Operations: ['30-16=14', '59-19=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,12 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,12 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 #0,0,3 Current State: 12:[19, 45], Operations: ['30-16=14', '59-14=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,12 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 #0,0,0 Current State: 12:[59, 5], Operations: ['30-16=14', '19-14=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,12 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 #0,0,2 Current State: 12:[14, 78], Operations: ['30-16=14', '19+59=78'] Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 14+78=92, Resulting Numbers: [92] 92,12 unequal: No Solution Exploring Operation: 14*78=1092, Resulting Numbers: [1092] 1092,12 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
[ 90, 13, 47, 65 ]
85
[ "90+13=103", "65-47=18", "103-18=85" ]
Current State: 85:[90, 13, 47, 65], Operations: [] Exploring Operation: 90+13=103, Resulting Numbers: [47, 65, 103] Generated Node #2: [47, 65, 103] from Operation: 90+13=103 Current State: 85:[47, 65, 103], Operations: ['90+13=103'] Exploring Operation: 65-47=18, Resulting Numbers: [103, 18] Generated Node #3: [103, 18] from Operation: 65-47=18 Current State: 85:[103, 18], Operations: ['90+13=103', '65-47=18'] Exploring Operation: 103-18=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[90, 13, 47, 65], Operations: [] Exploring Operation: 65-47=18, Resulting Numbers: [90, 13, 18] Generated Node #0,0: 85:[90, 13, 18] Operation: 65-47=18 Moving to Node #0,0 Current State: 85:[90, 13, 18], Operations: ['65-47=18'] Exploring Operation: 90/18=5, Resulting Numbers: [13, 5] Generated Node #0,0,0: 85:[13, 5] Operation: 90/18=5 Moving to Node #0,0,0 Current State: 85:[13, 5], Operations: ['65-47=18', '90/18=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,85 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 57, 44, 59, 16 ]
38
[ "59-57=2", "44/2=22", "16+22=38" ]
Current State: 38:[57, 44, 59, 16], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [44, 16, 2] Generated Node #2: [44, 16, 2] from Operation: 59-57=2 Current State: 38:[44, 16, 2], Operations: ['59-57=2'] Exploring Operation: 44/2=22, Resulting Numbers: [16, 22] Generated Node #3: [16, 22] from Operation: 44/2=22 Current State: 38:[16, 22], Operations: ['59-57=2', '44/2=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[57, 44, 59, 16], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [59, 16, 13] Generated Node #0,0: 38:[59, 16, 13] Operation: 57-44=13 Exploring Operation: 59-44=15, Resulting Numbers: [57, 16, 15] Generated Node #0,1: 38:[57, 16, 15] Operation: 59-44=15 Exploring Operation: 59-57=2, Resulting Numbers: [44, 16, 2] Generated Node #0,2: 38:[44, 16, 2] Operation: 59-57=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[44, 16, 2], Operations: ['59-57=2'] Exploring Operation: 44-2=42, Resulting Numbers: [16, 42] Generated Node #0,2,0: 38:[16, 42] Operation: 44-2=42 Exploring Operation: 16+2=18, Resulting Numbers: [44, 18] Generated Node #0,2,1: 38:[44, 18] Operation: 16+2=18 Exploring Operation: 44/2=22, Resulting Numbers: [16, 22] Generated Node #0,2,2: 38:[16, 22] Operation: 44/2=22 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[16, 22], Operations: ['59-57=2', '44/2=22'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[57, 44, 59, 16], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [44, 16, 2] Generated Node #0,2: 38:[44, 16, 2] Operation: 59-57=2 Moving to Node #0,2 Current State: 38:[44, 16, 2], Operations: ['59-57=2'] Exploring Operation: 44/2=22, Resulting Numbers: [16, 22] Generated Node #0,2,2: 38:[16, 22] Operation: 44/2=22 Moving to Node #0,2,2 Current State: 38:[16, 22], Operations: ['59-57=2', '44/2=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 47, 2, 15, 17 ]
30
[ "47-15=32", "32-17=15", "2*15=30" ]
Current State: 30:[47, 2, 15, 17], Operations: [] Exploring Operation: 47-15=32, Resulting Numbers: [2, 17, 32] Generated Node #2: [2, 17, 32] from Operation: 47-15=32 Current State: 30:[2, 17, 32], Operations: ['47-15=32'] Exploring Operation: 32-17=15, Resulting Numbers: [2, 15] Generated Node #3: [2, 15] from Operation: 32-17=15 Current State: 30:[2, 15], Operations: ['47-15=32', '32-17=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[47, 2, 15, 17], Operations: [] Exploring Operation: 47-17=30, Resulting Numbers: [2, 15, 30] Generated Node #0,0: 30:[2, 15, 30] Operation: 47-17=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[2, 15, 30], Operations: ['47-17=30'] Exploring Operation: 2*15=30, Resulting Numbers: [30, 30] Generated Node #0,0,0: 30:[30, 30] Operation: 2*15=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[30, 30], Operations: ['47-17=30', '2*15=30'] Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 24, 30, 97, 27 ]
56
[ "97-27=70", "24*70=1680", "1680/30=56" ]
Current State: 56:[24, 30, 97, 27], Operations: [] Exploring Operation: 97-27=70, Resulting Numbers: [24, 30, 70] Generated Node #2: [24, 30, 70] from Operation: 97-27=70 Current State: 56:[24, 30, 70], Operations: ['97-27=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [30, 1680] Generated Node #3: [30, 1680] from Operation: 24*70=1680 Current State: 56:[30, 1680], Operations: ['97-27=70', '24*70=1680'] Exploring Operation: 1680/30=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[24, 30, 97, 27], Operations: [] Exploring Operation: 97-24=73, Resulting Numbers: [30, 27, 73] Generated Node #0,0: 56:[30, 27, 73] Operation: 97-24=73 Exploring Operation: 97-27=70, Resulting Numbers: [24, 30, 70] Generated Node #0,1: 56:[24, 30, 70] Operation: 97-27=70 Exploring Operation: 97-30=67, Resulting Numbers: [24, 27, 67] Generated Node #0,2: 56:[24, 27, 67] Operation: 97-30=67 Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[24, 27, 67], Operations: ['97-30=67'] Exploring Operation: 67-24=43, Resulting Numbers: [27, 43] Generated Node #0,2,0: 56:[27, 43] Operation: 67-24=43 Exploring Operation: 24+27=51, Resulting Numbers: [67, 51] Generated Node #0,2,1: 56:[67, 51] Operation: 24+27=51 Exploring Operation: 27-24=3, Resulting Numbers: [67, 3] Generated Node #0,2,2: 56:[67, 3] Operation: 27-24=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[67, 3], Operations: ['97-30=67', '27-24=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,56 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,56 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 #0,2,0 Current State: 56:[27, 43], Operations: ['97-30=67', '67-24=43'] Exploring Operation: 27*43=1161, Resulting Numbers: [1161] 1161,56 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,56 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 #0,2,1 Current State: 56:[67, 51], Operations: ['97-30=67', '24+27=51'] Exploring Operation: 67*51=3417, Resulting Numbers: [3417] 3417,56 unequal: No Solution Exploring Operation: 67+51=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 67-51=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[30, 27, 73], Operations: ['97-24=73'] Exploring Operation: 73-30=43, Resulting Numbers: [27, 43] Generated Node #0,0,0: 56:[27, 43] Operation: 73-30=43 Exploring Operation: 30+27=57, Resulting Numbers: [73, 57] Generated Node #0,0,1: 56:[73, 57] Operation: 30+27=57 Exploring Operation: 73-27=46, Resulting Numbers: [30, 46] Generated Node #0,0,2: 56:[30, 46] Operation: 73-27=46 Moving to Node #0,0,2 Current State: 56:[30, 46], Operations: ['97-24=73', '73-27=46'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,56 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[27, 43], Operations: ['97-24=73', '73-30=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 27*43=1161, Resulting Numbers: [1161] 1161,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[73, 57], Operations: ['97-24=73', '30+27=57'] Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,56 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[24, 30, 70], Operations: ['97-27=70'] Exploring Operation: 30-24=6, Resulting Numbers: [70, 6] Generated Node #0,1,0: 56:[70, 6] Operation: 30-24=6 Exploring Operation: 24+30=54, Resulting Numbers: [70, 54] Generated Node #0,1,1: 56:[70, 54] Operation: 24+30=54 Exploring Operation: 70-24=46, Resulting Numbers: [30, 46] Generated Node #0,1,2: 56:[30, 46] Operation: 70-24=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[30, 46], Operations: ['97-27=70', '70-24=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,56 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[70, 6], Operations: ['97-27=70', '30-24=6'] Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,56 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[70, 54], Operations: ['97-27=70', '24+30=54'] Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,56 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,56 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 No solution found.
0
hs_3
sum_heuristic
[ 32, 6, 64, 60 ]
22
[ "32-6=26", "64-60=4", "26-4=22" ]
Current State: 22:[32, 6, 64, 60], Operations: [] Exploring Operation: 32-6=26, Resulting Numbers: [64, 60, 26] Generated Node #2: [64, 60, 26] from Operation: 32-6=26 Current State: 22:[64, 60, 26], Operations: ['32-6=26'] Exploring Operation: 64-60=4, Resulting Numbers: [26, 4] Generated Node #3: [26, 4] from Operation: 64-60=4 Current State: 22:[26, 4], Operations: ['32-6=26', '64-60=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[32, 6, 64, 60], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [32, 6, 4] Generated Node #0,0: 22:[32, 6, 4] Operation: 64-60=4 Exploring Operation: 60-32=28, Resulting Numbers: [6, 64, 28] Generated Node #0,1: 22:[6, 64, 28] Operation: 60-32=28 Exploring Operation: 64-32=32, Resulting Numbers: [6, 60, 32] Generated Node #0,2: 22:[6, 60, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [6, 60, 2] Generated Node #0,3: 22:[6, 60, 2] Operation: 64/32=2 Moving to Node #0,0 Current State: 22:[32, 6, 4], Operations: ['64-60=4'] Exploring Operation: 32/4=8, Resulting Numbers: [6, 8] Generated Node #0,0,0: 22:[6, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [6, 28] Generated Node #0,0,1: 22:[6, 28] Operation: 32-4=28 Exploring Operation: 6-4=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 22:[32, 2] Operation: 6-4=2 Exploring Operation: 32-6=26, Resulting Numbers: [4, 26] Generated Node #0,0,3: 22:[4, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[4, 26], Operations: ['64-60=4', '32-6=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[32, 6, 64, 60], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [32, 6, 4] Generated Node #0,0: 22:[32, 6, 4] Operation: 64-60=4 Moving to Node #0,0 Current State: 22:[32, 6, 4], Operations: ['64-60=4'] Exploring Operation: 32-6=26, Resulting Numbers: [4, 26] Generated Node #0,0,3: 22:[4, 26] Operation: 32-6=26 Moving to Node #0,0,3 Current State: 22:[4, 26], Operations: ['64-60=4', '32-6=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 36, 14, 14, 31 ]
31
[ "14-14=0", "36*0=0", "31+0=31" ]
Current State: 31:[36, 14, 14, 31], Operations: [] Exploring Operation: 14-14=0, Resulting Numbers: [36, 31, 0] Generated Node #2: [36, 31, 0] from Operation: 14-14=0 Current State: 31:[36, 31, 0], Operations: ['14-14=0'] Exploring Operation: 36*0=0, Resulting Numbers: [31, 0] Generated Node #3: [31, 0] from Operation: 36*0=0 Current State: 31:[31, 0], Operations: ['14-14=0', '36*0=0'] Exploring Operation: 31+0=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[36, 14, 14, 31], Operations: [] Exploring Operation: 36-14=22, Resulting Numbers: [14, 31, 22] Generated Node #0,0: 31:[14, 31, 22] Operation: 36-14=22 Exploring Operation: 36-14=22, Resulting Numbers: [14, 31, 22] Generated Node #0,1: 31:[14, 31, 22] Operation: 36-14=22 Exploring Operation: 14/14=1, Resulting Numbers: [36, 31, 1] Generated Node #0,2: 31:[36, 31, 1] Operation: 14/14=1 Exploring Operation: 14+14=28, Resulting Numbers: [36, 31, 28] Generated Node #0,3: 31:[36, 31, 28] Operation: 14+14=28 Exploring Operation: 36+14=50, Resulting Numbers: [14, 31, 50] Generated Node #0,4: 31:[14, 31, 50] Operation: 36+14=50 Moving to Node #0,3 Current State: 31:[36, 31, 28], Operations: ['14+14=28'] Exploring Operation: 36-31=5, Resulting Numbers: [28, 5] Generated Node #0,3,0: 31:[28, 5] Operation: 36-31=5 Exploring Operation: 36-28=8, Resulting Numbers: [31, 8] Generated Node #0,3,1: 31:[31, 8] Operation: 36-28=8 Exploring Operation: 36+28=64, Resulting Numbers: [31, 64] Generated Node #0,3,2: 31:[31, 64] Operation: 36+28=64 Exploring Operation: 31+28=59, Resulting Numbers: [36, 59] Generated Node #0,3,3: 31:[36, 59] Operation: 31+28=59 Exploring Operation: 31-28=3, Resulting Numbers: [36, 3] Generated Node #0,3,4: 31:[36, 3] Operation: 31-28=3 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 31:[31, 8], Operations: ['14+14=28', '36-28=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,31 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,31 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 #0,3,0 Current State: 31:[28, 5], Operations: ['14+14=28', '36-31=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,31 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,31 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 #0,3,2 Current State: 31:[31, 64], Operations: ['14+14=28', '36+28=64'] Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,31 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,31 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 #0,3,3 Current State: 31:[36, 59], Operations: ['14+14=28', '31+28=59'] Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,31 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,31 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 #0,3,4 Current State: 31:[36, 3], Operations: ['14+14=28', '31-28=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,31 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,31 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: 31:[14, 31, 22], Operations: ['36-14=22'] Exploring Operation: 22-14=8, Resulting Numbers: [31, 8] Generated Node #0,1,0: 31:[31, 8] Operation: 22-14=8 Exploring Operation: 14+22=36, Resulting Numbers: [31, 36] Generated Node #0,1,1: 31:[31, 36] Operation: 14+22=36 Exploring Operation: 31+22=53, Resulting Numbers: [14, 53] Generated Node #0,1,2: 31:[14, 53] Operation: 31+22=53 Exploring Operation: 31-14=17, Resulting Numbers: [22, 17] Generated Node #0,1,3: 31:[22, 17] Operation: 31-14=17 Exploring Operation: 14+31=45, Resulting Numbers: [22, 45] Generated Node #0,1,4: 31:[22, 45] Operation: 14+31=45 Moving to Node #0,0 Current State: 31:[14, 31, 22], Operations: ['36-14=22'] Exploring Operation: 14+22=36, Resulting Numbers: [31, 36] Generated Node #0,0,0: 31:[31, 36] Operation: 14+22=36 Exploring Operation: 31+22=53, Resulting Numbers: [14, 53] Generated Node #0,0,1: 31:[14, 53] Operation: 31+22=53 Exploring Operation: 22-14=8, Resulting Numbers: [31, 8] Generated Node #0,0,2: 31:[31, 8] Operation: 22-14=8 Exploring Operation: 14+31=45, Resulting Numbers: [22, 45] Generated Node #0,0,3: 31:[22, 45] Operation: 14+31=45 Exploring Operation: 31-14=17, Resulting Numbers: [22, 17] Generated Node #0,0,4: 31:[22, 17] Operation: 31-14=17 Moving to Node #0,2 Current State: 31:[36, 31, 1], Operations: ['14/14=1'] Exploring Operation: 36*1=36, Resulting Numbers: [31, 36] Generated Node #0,2,0: 31:[31, 36] Operation: 36*1=36 Exploring Operation: 36-1=35, Resulting Numbers: [31, 35] Generated Node #0,2,1: 31:[31, 35] Operation: 36-1=35 Exploring Operation: 31/1=31, Resulting Numbers: [36, 31] Generated Node #0,2,2: 31:[36, 31] Operation: 31/1=31 Exploring Operation: 36/1=36, Resulting Numbers: [31, 36] Generated Node #0,2,3: 31:[31, 36] Operation: 36/1=36 Exploring Operation: 31*1=31, Resulting Numbers: [36, 31] Generated Node #0,2,4: 31:[36, 31] Operation: 31*1=31 Moving to Node #0,4 Current State: 31:[14, 31, 50], Operations: ['36+14=50'] Exploring Operation: 50-31=19, Resulting Numbers: [14, 19] Generated Node #0,4,0: 31:[14, 19] Operation: 50-31=19 Exploring Operation: 14+31=45, Resulting Numbers: [50, 45] Generated Node #0,4,1: 31:[50, 45] Operation: 14+31=45 Exploring Operation: 14+50=64, Resulting Numbers: [31, 64] Generated Node #0,4,2: 31:[31, 64] Operation: 14+50=64 Exploring Operation: 31-14=17, Resulting Numbers: [50, 17] Generated Node #0,4,3: 31:[50, 17] Operation: 31-14=17 Exploring Operation: 50-14=36, Resulting Numbers: [31, 36] Generated Node #0,4,4: 31:[31, 36] Operation: 50-14=36 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 31:[31, 36], Operations: ['36+14=50', '50-14=36'] Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 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 #0,4,0 Current State: 31:[14, 19], Operations: ['36+14=50', '50-31=19'] Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,31 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,31 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 #0,4,1 Current State: 31:[50, 45], Operations: ['36+14=50', '14+31=45'] Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,31 unequal: No Solution Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,31 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,31 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 #0,4,2 Current State: 31:[31, 64], Operations: ['36+14=50', '14+50=64'] Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,31 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,31 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,31 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 #0,4,3 Current State: 31:[50, 17], Operations: ['36+14=50', '31-14=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,31 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,31 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: 31:[31, 35], Operations: ['14/14=1', '36-1=35'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 31+35=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 31*35=1085, Resulting Numbers: [1085] 1085,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[31, 36], Operations: ['36-14=22', '14+22=36'] Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[31, 36], Operations: ['14/14=1', '36/1=36'] Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[36, 31], Operations: ['14/14=1', '31*1=31'] Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[31, 36], Operations: ['14/14=1', '36*1=36'] Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[36, 31], Operations: ['14/14=1', '31/1=31'] Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[31, 36], Operations: ['36-14=22', '14+22=36'] Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[31, 8], Operations: ['36-14=22', '22-14=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,31 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[22, 17], Operations: ['36-14=22', '31-14=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,31 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[22, 17], Operations: ['36-14=22', '31-14=17'] Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,31 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[22, 45], Operations: ['36-14=22', '14+31=45'] Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,31 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[31, 8], Operations: ['36-14=22', '22-14=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,31 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,31 unequal: No Solution Moving to Node #0,1,4 Current State: 31:[22, 45], Operations: ['36-14=22', '14+31=45'] Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[14, 53], Operations: ['36-14=22', '31+22=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[14, 53], Operations: ['36-14=22', '31+22=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,31 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,31 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 91, 32, 89, 58 ]
74
[ "91-89=2", "32/2=16", "58+16=74" ]
Current State: 74:[91, 32, 89, 58], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [32, 58, 2] Generated Node #2: [32, 58, 2] from Operation: 91-89=2 Current State: 74:[32, 58, 2], Operations: ['91-89=2'] Exploring Operation: 32/2=16, Resulting Numbers: [58, 16] Generated Node #3: [58, 16] from Operation: 32/2=16 Current State: 74:[58, 16], Operations: ['91-89=2', '32/2=16'] Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[91, 32, 89, 58], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [32, 89, 33] Generated Node #0,0: 74:[32, 89, 33] Operation: 91-58=33 Exploring Operation: 89-58=31, Resulting Numbers: [91, 32, 31] Generated Node #0,1: 74:[91, 32, 31] Operation: 89-58=31 Exploring Operation: 91-89=2, Resulting Numbers: [32, 58, 2] Generated Node #0,2: 74:[32, 58, 2] Operation: 91-89=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[32, 58, 2], Operations: ['91-89=2'] Exploring Operation: 32+58=90, Resulting Numbers: [2, 90] Generated Node #0,2,0: 74:[2, 90] Operation: 32+58=90 Exploring Operation: 58/2=29, Resulting Numbers: [32, 29] Generated Node #0,2,1: 74:[32, 29] Operation: 58/2=29 Exploring Operation: 58-32=26, Resulting Numbers: [2, 26] Generated Node #0,2,2: 74:[2, 26] Operation: 58-32=26 Moving to Node #0,2,2 Current State: 74:[2, 26], Operations: ['91-89=2', '58-32=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[32, 29], Operations: ['91-89=2', '58/2=29'] Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,74 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[2, 90], Operations: ['91-89=2', '32+58=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,74 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,74 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:[32, 89, 33], Operations: ['91-58=33'] Exploring Operation: 33-32=1, Resulting Numbers: [89, 1] Generated Node #0,0,0: 74:[89, 1] Operation: 33-32=1 Exploring Operation: 89-32=57, Resulting Numbers: [33, 57] Generated Node #0,0,1: 74:[33, 57] Operation: 89-32=57 Exploring Operation: 89-33=56, Resulting Numbers: [32, 56] Generated Node #0,0,2: 74:[32, 56] Operation: 89-33=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[89, 1], Operations: ['91-58=33', '33-32=1'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,74 unequal: No Solution Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,74 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,74 unequal: No Solution No 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: 74:[33, 57], Operations: ['91-58=33', '89-32=57'] Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 33*57=1881, Resulting Numbers: [1881] 1881,74 unequal: No Solution No 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: 74:[32, 56], Operations: ['91-58=33', '89-33=56'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 32*56=1792, Resulting Numbers: [1792] 1792,74 unequal: No Solution Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,74 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: 74:[91, 32, 31], Operations: ['89-58=31'] Exploring Operation: 91-31=60, Resulting Numbers: [32, 60] Generated Node #0,1,0: 74:[32, 60] Operation: 91-31=60 Exploring Operation: 91-32=59, Resulting Numbers: [31, 59] Generated Node #0,1,1: 74:[31, 59] Operation: 91-32=59 Exploring Operation: 32-31=1, Resulting Numbers: [91, 1] Generated Node #0,1,2: 74:[91, 1] Operation: 32-31=1 Moving to Node #0,1,2 Current State: 74:[91, 1], Operations: ['89-58=31', '32-31=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,74 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[32, 60], Operations: ['89-58=31', '91-31=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[31, 59], Operations: ['89-58=31', '91-32=59'] Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,74 unequal: No Solution Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,74 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
[ 62, 77, 63, 12 ]
65
[ "63-62=1", "77-12=65", "1*65=65" ]
Current State: 65:[62, 77, 63, 12], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [77, 12, 1] Generated Node #2: [77, 12, 1] from Operation: 63-62=1 Current State: 65:[77, 12, 1], Operations: ['63-62=1'] Exploring Operation: 77-12=65, Resulting Numbers: [1, 65] Generated Node #3: [1, 65] from Operation: 77-12=65 Current State: 65:[1, 65], Operations: ['63-62=1', '77-12=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[62, 77, 63, 12], Operations: [] Exploring Operation: 77-63=14, Resulting Numbers: [62, 12, 14] Generated Node #0,0: 65:[62, 12, 14] Operation: 77-63=14 Exploring Operation: 77-62=15, Resulting Numbers: [63, 12, 15] Generated Node #0,1: 65:[63, 12, 15] Operation: 77-62=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[62, 12, 14], Operations: ['77-63=14'] Exploring Operation: 62+12=74, Resulting Numbers: [14, 74] Generated Node #0,0,0: 65:[14, 74] Operation: 62+12=74 Exploring Operation: 14-12=2, Resulting Numbers: [62, 2] Generated Node #0,0,1: 65:[62, 2] Operation: 14-12=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[62, 2], Operations: ['77-63=14', '14-12=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[14, 74], Operations: ['77-63=14', '62+12=74'] Exploring Operation: 14+74=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[63, 12, 15], Operations: ['77-62=15'] Exploring Operation: 15-12=3, Resulting Numbers: [63, 3] Generated Node #0,1,0: 65:[63, 3] Operation: 15-12=3 Exploring Operation: 63+12=75, Resulting Numbers: [15, 75] Generated Node #0,1,1: 65:[15, 75] Operation: 63+12=75 Moving to Node #0,1,0 Current State: 65:[63, 3], Operations: ['77-62=15', '15-12=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[15, 75], Operations: ['77-62=15', '63+12=75'] Exploring Operation: 75/15=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,65 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
[ 67, 15, 71, 60 ]
98
[ "71-60=11", "15*11=165", "165-67=98" ]
Current State: 98:[67, 15, 71, 60], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [67, 15, 11] Generated Node #2: [67, 15, 11] from Operation: 71-60=11 Current State: 98:[67, 15, 11], Operations: ['71-60=11'] Exploring Operation: 15*11=165, Resulting Numbers: [67, 165] Generated Node #3: [67, 165] from Operation: 15*11=165 Current State: 98:[67, 165], Operations: ['71-60=11', '15*11=165'] Exploring Operation: 165-67=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[67, 15, 71, 60], Operations: [] Exploring Operation: 67-15=52, Resulting Numbers: [71, 60, 52] Generated Node #0,0: 98:[71, 60, 52] Operation: 67-15=52 Exploring Operation: 67-60=7, Resulting Numbers: [15, 71, 7] Generated Node #0,1: 98:[15, 71, 7] Operation: 67-60=7 Exploring Operation: 71-60=11, Resulting Numbers: [67, 15, 11] Generated Node #0,2: 98:[67, 15, 11] Operation: 71-60=11 Exploring Operation: 71-67=4, Resulting Numbers: [15, 60, 4] Generated Node #0,3: 98:[15, 60, 4] Operation: 71-67=4 Moving to Node #0,3 Current State: 98:[15, 60, 4], Operations: ['71-67=4'] Exploring Operation: 60/4=15, Resulting Numbers: [15, 15] Generated Node #0,3,0: 98:[15, 15] Operation: 60/4=15 Exploring Operation: 60-4=56, Resulting Numbers: [15, 56] Generated Node #0,3,1: 98:[15, 56] Operation: 60-4=56 Exploring Operation: 60/15=4, Resulting Numbers: [4, 4] Generated Node #0,3,2: 98:[4, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [4, 45] Generated Node #0,3,3: 98:[4, 45] Operation: 60-15=45 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 98:[15, 15], Operations: ['71-67=4', '60/4=15'] Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 98:[4, 4], Operations: ['71-67=4', '60/15=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 98:[4, 45], Operations: ['71-67=4', '60-15=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,98 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 98:[15, 56], Operations: ['71-67=4', '60-4=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,98 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: 98:[67, 15, 11], Operations: ['71-60=11'] Exploring Operation: 67+15=82, Resulting Numbers: [11, 82] Generated Node #0,2,0: 98:[11, 82] Operation: 67+15=82 Exploring Operation: 15-11=4, Resulting Numbers: [67, 4] Generated Node #0,2,1: 98:[67, 4] Operation: 15-11=4 Exploring Operation: 67-11=56, Resulting Numbers: [15, 56] Generated Node #0,2,2: 98:[15, 56] Operation: 67-11=56 Exploring Operation: 67-15=52, Resulting Numbers: [11, 52] Generated Node #0,2,3: 98:[11, 52] Operation: 67-15=52 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 98:[11, 52], Operations: ['71-60=11', '67-15=52'] Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,98 unequal: No Solution Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[15, 56], Operations: ['71-60=11', '67-11=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[11, 82], Operations: ['71-60=11', '67+15=82'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,98 unequal: No Solution Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,98 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 #0,2,1 Current State: 98:[67, 4], Operations: ['71-60=11', '15-11=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,98 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 98:[15, 71, 7], Operations: ['67-60=7'] Exploring Operation: 71-15=56, Resulting Numbers: [7, 56] Generated Node #0,1,0: 98:[7, 56] Operation: 71-15=56 Exploring Operation: 71+7=78, Resulting Numbers: [15, 78] Generated Node #0,1,1: 98:[15, 78] Operation: 71+7=78 Exploring Operation: 71-7=64, Resulting Numbers: [15, 64] Generated Node #0,1,2: 98:[15, 64] Operation: 71-7=64 Exploring Operation: 15+71=86, Resulting Numbers: [7, 86] Generated Node #0,1,3: 98:[7, 86] Operation: 15+71=86 Moving to Node #0,0 Current State: 98:[71, 60, 52], Operations: ['67-15=52'] Exploring Operation: 71-60=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 98:[52, 11] Operation: 71-60=11 Exploring Operation: 60-52=8, Resulting Numbers: [71, 8] Generated Node #0,0,1: 98:[71, 8] Operation: 60-52=8 Exploring Operation: 71-52=19, Resulting Numbers: [60, 19] Generated Node #0,0,2: 98:[60, 19] Operation: 71-52=19 Exploring Operation: 71+60=131, Resulting Numbers: [52, 131] Generated Node #0,0,3: 98:[52, 131] Operation: 71+60=131 Moving to Node #0,0,0 Current State: 98:[52, 11], Operations: ['67-15=52', '71-60=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,98 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[7, 56], Operations: ['67-60=7', '71-15=56'] Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,98 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[7, 86], Operations: ['67-60=7', '15+71=86'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,98 unequal: No Solution Exploring Operation: 7*86=602, Resulting Numbers: [602] 602,98 unequal: No Solution Exploring Operation: 7+86=93, Resulting Numbers: [93] 93,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[15, 64], Operations: ['67-60=7', '71-7=64'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,98 unequal: No Solution Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[60, 19], Operations: ['67-15=52', '71-52=19'] Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,98 unequal: No Solution Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[15, 78], Operations: ['67-60=7', '71+7=78'] Exploring Operation: 15+78=93, Resulting Numbers: [93] 93,98 unequal: No Solution Exploring Operation: 15*78=1170, Resulting Numbers: [1170] 1170,98 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[71, 8], Operations: ['67-15=52', '60-52=8'] Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,98 unequal: No Solution Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,98 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[52, 131], Operations: ['67-15=52', '71+60=131'] Exploring Operation: 131-52=79, Resulting Numbers: [79] 79,98 unequal: No Solution Exploring Operation: 52*131=6812, Resulting Numbers: [6812] 6812,98 unequal: No Solution Exploring Operation: 52+131=183, Resulting Numbers: [183] 183,98 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 92, 23, 80, 26 ]
61
[ "92+23=115", "80-26=54", "115-54=61" ]
Current State: 61:[92, 23, 80, 26], Operations: [] Exploring Operation: 92+23=115, Resulting Numbers: [80, 26, 115] Generated Node #2: [80, 26, 115] from Operation: 92+23=115 Current State: 61:[80, 26, 115], Operations: ['92+23=115'] Exploring Operation: 80-26=54, Resulting Numbers: [115, 54] Generated Node #3: [115, 54] from Operation: 80-26=54 Current State: 61:[115, 54], Operations: ['92+23=115', '80-26=54'] Exploring Operation: 115-54=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[92, 23, 80, 26], Operations: [] Exploring Operation: 92-23=69, Resulting Numbers: [80, 26, 69] Generated Node #0,0: 61:[80, 26, 69] Operation: 92-23=69 Moving to Node #0,0 Current State: 61:[80, 26, 69], Operations: ['92-23=69'] Exploring Operation: 80-26=54, Resulting Numbers: [69, 54] Generated Node #0,0,0: 61:[69, 54] Operation: 80-26=54 Moving to Node #0,0,0 Current State: 61:[69, 54], Operations: ['92-23=69', '80-26=54'] Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,61 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 17, 20, 4, 38 ]
89
[ "38-20=18", "4*18=72", "17+72=89" ]
Current State: 89:[17, 20, 4, 38], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [17, 4, 18] Generated Node #2: [17, 4, 18] from Operation: 38-20=18 Current State: 89:[17, 4, 18], Operations: ['38-20=18'] Exploring Operation: 4*18=72, Resulting Numbers: [17, 72] Generated Node #3: [17, 72] from Operation: 4*18=72 Current State: 89:[17, 72], Operations: ['38-20=18', '4*18=72'] Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[17, 20, 4, 38], Operations: [] Exploring Operation: 20*4=80, Resulting Numbers: [17, 38, 80] Generated Node #0,0: 89:[17, 38, 80] Operation: 20*4=80 Moving to Node #0,0 Current State: 89:[17, 38, 80], Operations: ['20*4=80'] Exploring Operation: 17+38=55, Resulting Numbers: [80, 55] Generated Node #0,0,0: 89:[80, 55] Operation: 17+38=55 Moving to Node #0,0,0 Current State: 89:[80, 55], Operations: ['20*4=80', '17+38=55'] Exploring Operation: 80+55=135, Resulting Numbers: [135] 135,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 45, 91, 82, 99 ]
29
[ "91-45=46", "99-82=17", "46-17=29" ]
Current State: 29:[45, 91, 82, 99], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [82, 99, 46] Generated Node #2: [82, 99, 46] from Operation: 91-45=46 Current State: 29:[82, 99, 46], Operations: ['91-45=46'] Exploring Operation: 99-82=17, Resulting Numbers: [46, 17] Generated Node #3: [46, 17] from Operation: 99-82=17 Current State: 29:[46, 17], Operations: ['91-45=46', '99-82=17'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[45, 91, 82, 99], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [45, 91, 17] Generated Node #0,0: 29:[45, 91, 17] Operation: 99-82=17 Exploring Operation: 99-91=8, Resulting Numbers: [45, 82, 8] Generated Node #0,1: 29:[45, 82, 8] Operation: 99-91=8 Exploring Operation: 91-82=9, Resulting Numbers: [45, 99, 9] Generated Node #0,2: 29:[45, 99, 9] Operation: 91-82=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[45, 91, 17], Operations: ['99-82=17'] Exploring Operation: 91-45=46, Resulting Numbers: [17, 46] Generated Node #0,0,0: 29:[17, 46] Operation: 91-45=46 Exploring Operation: 91-17=74, Resulting Numbers: [45, 74] Generated Node #0,0,1: 29:[45, 74] Operation: 91-17=74 Exploring Operation: 45-17=28, Resulting Numbers: [91, 28] Generated Node #0,0,2: 29:[91, 28] Operation: 45-17=28 Moving to Node #0,0,0 Current State: 29:[17, 46], Operations: ['99-82=17', '91-45=46'] Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[45, 91, 82, 99], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [45, 91, 17] Generated Node #0,0: 29:[45, 91, 17] Operation: 99-82=17 Moving to Node #0,0 Current State: 29:[45, 91, 17], Operations: ['99-82=17'] Exploring Operation: 91-45=46, Resulting Numbers: [17, 46] Generated Node #0,0,0: 29:[17, 46] Operation: 91-45=46 Moving to Node #0,0,0 Current State: 29:[17, 46], Operations: ['99-82=17', '91-45=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 97, 98, 58, 5 ]
53
[ "98-97=1", "58-5=53", "1*53=53" ]
Current State: 53:[97, 98, 58, 5], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [58, 5, 1] Generated Node #2: [58, 5, 1] from Operation: 98-97=1 Current State: 53:[58, 5, 1], Operations: ['98-97=1'] Exploring Operation: 58-5=53, Resulting Numbers: [1, 53] Generated Node #3: [1, 53] from Operation: 58-5=53 Current State: 53:[1, 53], Operations: ['98-97=1', '58-5=53'] Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[97, 98, 58, 5], Operations: [] Exploring Operation: 97-5=92, Resulting Numbers: [98, 58, 92] Generated Node #0,0: 53:[98, 58, 92] Operation: 97-5=92 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[98, 58, 92], Operations: ['97-5=92'] Exploring Operation: 98-58=40, Resulting Numbers: [92, 40] Generated Node #0,0,0: 53:[92, 40] Operation: 98-58=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[92, 40], Operations: ['97-5=92', '98-58=40'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 52, 20, 98, 2 ]
81
[ "52-20=32", "98/2=49", "32+49=81" ]
Current State: 81:[52, 20, 98, 2], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [98, 2, 32] Generated Node #2: [98, 2, 32] from Operation: 52-20=32 Current State: 81:[98, 2, 32], Operations: ['52-20=32'] Exploring Operation: 98/2=49, Resulting Numbers: [32, 49] Generated Node #3: [32, 49] from Operation: 98/2=49 Current State: 81:[32, 49], Operations: ['52-20=32', '98/2=49'] Exploring Operation: 32+49=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[52, 20, 98, 2], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [98, 2, 32] Generated Node #0,0: 81:[98, 2, 32] Operation: 52-20=32 Exploring Operation: 52/2=26, Resulting Numbers: [20, 98, 26] Generated Node #0,1: 81:[20, 98, 26] Operation: 52/2=26 Moving to Node #0,0 Current State: 81:[98, 2, 32], Operations: ['52-20=32'] Exploring Operation: 98-2=96, Resulting Numbers: [32, 96] Generated Node #0,0,0: 81:[32, 96] Operation: 98-2=96 Exploring Operation: 98-32=66, Resulting Numbers: [2, 66] Generated Node #0,0,1: 81:[2, 66] Operation: 98-32=66 Moving to Node #0,1 Current State: 81:[20, 98, 26], Operations: ['52/2=26'] Exploring Operation: 98-20=78, Resulting Numbers: [26, 78] Generated Node #0,1,0: 81:[26, 78] Operation: 98-20=78 Exploring Operation: 98-26=72, Resulting Numbers: [20, 72] Generated Node #0,1,1: 81:[20, 72] Operation: 98-26=72 Moving to Node #0,1,0 Current State: 81:[26, 78], Operations: ['52/2=26', '98-20=78'] Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 26+78=104, Resulting Numbers: [104] 104,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[2, 66], Operations: ['52-20=32', '98-32=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[20, 72], Operations: ['52/2=26', '98-26=72'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 20+72=92, Resulting Numbers: [92] 92,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[32, 96], Operations: ['52-20=32', '98-2=96'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 16, 68, 21, 47 ]
17
[ "68-21=47", "47/47=1", "16+1=17" ]
Current State: 17:[16, 68, 21, 47], Operations: [] Exploring Operation: 68-21=47, Resulting Numbers: [16, 47, 47] Generated Node #2: [16, 47, 47] from Operation: 68-21=47 Current State: 17:[16, 47, 47], Operations: ['68-21=47'] Exploring Operation: 47/47=1, Resulting Numbers: [16, 1] Generated Node #3: [16, 1] from Operation: 47/47=1 Current State: 17:[16, 1], Operations: ['68-21=47', '47/47=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[16, 68, 21, 47], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [16, 21, 21] Generated Node #0,0: 17:[16, 21, 21] Operation: 68-47=21 Exploring Operation: 68-21=47, Resulting Numbers: [16, 47, 47] Generated Node #0,1: 17:[16, 47, 47] Operation: 68-21=47 Exploring Operation: 47-21=26, Resulting Numbers: [16, 68, 26] Generated Node #0,2: 17:[16, 68, 26] Operation: 47-21=26 Moving to Node #0,0 Current State: 17:[16, 21, 21], Operations: ['68-47=21'] Exploring Operation: 21-16=5, Resulting Numbers: [21, 5] Generated Node #0,0,0: 17:[21, 5] Operation: 21-16=5 Exploring Operation: 21/21=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 17:[16, 1] Operation: 21/21=1 Exploring Operation: 21-16=5, Resulting Numbers: [21, 5] Generated Node #0,0,2: 17:[21, 5] Operation: 21-16=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[21, 5], Operations: ['68-47=21', '21-16=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,17 unequal: No Solution No 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: 17:[21, 5], Operations: ['68-47=21', '21-16=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,17 unequal: No Solution No 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: 17:[16, 1], Operations: ['68-47=21', '21/21=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[16, 68, 21, 47], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [16, 21, 21] Generated Node #0,0: 17:[16, 21, 21] Operation: 68-47=21 Moving to Node #0,0 Current State: 17:[16, 21, 21], Operations: ['68-47=21'] Exploring Operation: 21/21=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 17:[16, 1] Operation: 21/21=1 Moving to Node #0,0,1 Current State: 17:[16, 1], Operations: ['68-47=21', '21/21=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 65, 32, 70, 41 ]
14
[ "65+32=97", "70+41=111", "111-97=14" ]
Current State: 14:[65, 32, 70, 41], Operations: [] Exploring Operation: 65+32=97, Resulting Numbers: [70, 41, 97] Generated Node #2: [70, 41, 97] from Operation: 65+32=97 Current State: 14:[70, 41, 97], Operations: ['65+32=97'] Exploring Operation: 70+41=111, Resulting Numbers: [97, 111] Generated Node #3: [97, 111] from Operation: 70+41=111 Current State: 14:[97, 111], Operations: ['65+32=97', '70+41=111'] Exploring Operation: 111-97=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[65, 32, 70, 41], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [32, 41, 5] Generated Node #0,0: 14:[32, 41, 5] Operation: 70-65=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[32, 41, 5], Operations: ['70-65=5'] Exploring Operation: 41-32=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 41-32=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['70-65=5', '41-32=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[65, 32, 70, 41], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [32, 41, 5] Generated Node #0,0: 14:[32, 41, 5] Operation: 70-65=5 Moving to Node #0,0 Current State: 14:[32, 41, 5], Operations: ['70-65=5'] Exploring Operation: 41-32=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 41-32=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['70-65=5', '41-32=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 30, 76, 31, 79 ]
71
[ "30*76=2280", "2280-79=2201", "2201/31=71" ]
Current State: 71:[30, 76, 31, 79], Operations: [] Exploring Operation: 30*76=2280, Resulting Numbers: [31, 79, 2280] Generated Node #2: [31, 79, 2280] from Operation: 30*76=2280 Current State: 71:[31, 79, 2280], Operations: ['30*76=2280'] Exploring Operation: 2280-79=2201, Resulting Numbers: [31, 2201] Generated Node #3: [31, 2201] from Operation: 2280-79=2201 Current State: 71:[31, 2201], Operations: ['30*76=2280', '2280-79=2201'] Exploring Operation: 2201/31=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[30, 76, 31, 79], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [30, 76, 48] Generated Node #0,0: 71:[30, 76, 48] Operation: 79-31=48 Exploring Operation: 79-30=49, Resulting Numbers: [76, 31, 49] Generated Node #0,1: 71:[76, 31, 49] Operation: 79-30=49 Exploring Operation: 30+31=61, Resulting Numbers: [76, 79, 61] Generated Node #0,2: 71:[76, 79, 61] Operation: 30+31=61 Moving to Node #0,2 Current State: 71:[76, 79, 61], Operations: ['30+31=61'] Exploring Operation: 76-61=15, Resulting Numbers: [79, 15] Generated Node #0,2,0: 71:[79, 15] Operation: 76-61=15 Exploring Operation: 79-61=18, Resulting Numbers: [76, 18] Generated Node #0,2,1: 71:[76, 18] Operation: 79-61=18 Exploring Operation: 76+61=137, Resulting Numbers: [79, 137] Generated Node #0,2,2: 71:[79, 137] Operation: 76+61=137 Moving to Node #0,1 Current State: 71:[76, 31, 49], Operations: ['79-30=49'] Exploring Operation: 76-31=45, Resulting Numbers: [49, 45] Generated Node #0,1,0: 71:[49, 45] Operation: 76-31=45 Exploring Operation: 31+49=80, Resulting Numbers: [76, 80] Generated Node #0,1,1: 71:[76, 80] Operation: 31+49=80 Exploring Operation: 76+31=107, Resulting Numbers: [49, 107] Generated Node #0,1,2: 71:[49, 107] Operation: 76+31=107 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[76, 80], Operations: ['79-30=49', '31+49=80'] Exploring Operation: 76*80=6080, Resulting Numbers: [6080] 6080,71 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[49, 45], Operations: ['79-30=49', '76-31=45'] Exploring Operation: 49*45=2205, Resulting Numbers: [2205] 2205,71 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 49+45=94, Resulting Numbers: [94] 94,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[49, 107], Operations: ['79-30=49', '76+31=107'] Exploring Operation: 49+107=156, Resulting Numbers: [156] 156,71 unequal: No Solution Exploring Operation: 49*107=5243, Resulting Numbers: [5243] 5243,71 unequal: No Solution Exploring Operation: 107-49=58, Resulting Numbers: [58] 58,71 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: 71:[30, 76, 48], Operations: ['79-31=48'] Exploring Operation: 76-30=46, Resulting Numbers: [48, 46] Generated Node #0,0,0: 71:[48, 46] Operation: 76-30=46 Exploring Operation: 30+48=78, Resulting Numbers: [76, 78] Generated Node #0,0,1: 71:[76, 78] Operation: 30+48=78 Exploring Operation: 30+76=106, Resulting Numbers: [48, 106] Generated Node #0,0,2: 71:[48, 106] Operation: 30+76=106 Moving to Node #0,0,1 Current State: 71:[76, 78], Operations: ['79-31=48', '30+48=78'] Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 76*78=5928, Resulting Numbers: [5928] 5928,71 unequal: No Solution Exploring Operation: 76+78=154, Resulting Numbers: [154] 154,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[48, 46], Operations: ['79-31=48', '76-30=46'] Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,71 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[48, 106], Operations: ['79-31=48', '30+76=106'] Exploring Operation: 106-48=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 48*106=5088, Resulting Numbers: [5088] 5088,71 unequal: No Solution Exploring Operation: 48+106=154, Resulting Numbers: [154] 154,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[76, 18], Operations: ['30+31=61', '79-61=18'] Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,71 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[79, 15], Operations: ['30+31=61', '76-61=15'] Exploring Operation: 79+15=94, Resulting Numbers: [94] 94,71 unequal: No Solution Exploring Operation: 79*15=1185, Resulting Numbers: [1185] 1185,71 unequal: No Solution Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[79, 137], Operations: ['30+31=61', '76+61=137'] Exploring Operation: 137-79=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 79+137=216, Resulting Numbers: [216] 216,71 unequal: No Solution Exploring Operation: 79*137=10823, Resulting Numbers: [10823] 10823,71 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 72, 18, 41, 69 ]
75
[ "41-18=23", "69/23=3", "72+3=75" ]
Current State: 75:[72, 18, 41, 69], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [72, 69, 23] Generated Node #2: [72, 69, 23] from Operation: 41-18=23 Current State: 75:[72, 69, 23], Operations: ['41-18=23'] Exploring Operation: 69/23=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 69/23=3 Current State: 75:[72, 3], Operations: ['41-18=23', '69/23=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[72, 18, 41, 69], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [72, 69, 23] Generated Node #0,0: 75:[72, 69, 23] Operation: 41-18=23 Exploring Operation: 69-41=28, Resulting Numbers: [72, 18, 28] Generated Node #0,1: 75:[72, 18, 28] Operation: 69-41=28 Moving to Node #0,1 Current State: 75:[72, 18, 28], Operations: ['69-41=28'] Exploring Operation: 72/18=4, Resulting Numbers: [28, 4] Generated Node #0,1,0: 75:[28, 4] Operation: 72/18=4 Exploring Operation: 28-18=10, Resulting Numbers: [72, 10] Generated Node #0,1,1: 75:[72, 10] Operation: 28-18=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[28, 4], Operations: ['69-41=28', '72/18=4'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[72, 10], Operations: ['69-41=28', '28-18=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,75 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:[72, 69, 23], Operations: ['41-18=23'] Exploring Operation: 69/23=3, Resulting Numbers: [72, 3] Generated Node #0,0,0: 75:[72, 3] Operation: 69/23=3 Exploring Operation: 72-69=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 75:[23, 3] Operation: 72-69=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[23, 3], Operations: ['41-18=23', '72-69=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[72, 3], Operations: ['41-18=23', '69/23=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[72, 18, 41, 69], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [72, 69, 23] Generated Node #0,0: 75:[72, 69, 23] Operation: 41-18=23 Moving to Node #0,0 Current State: 75:[72, 69, 23], Operations: ['41-18=23'] Exploring Operation: 69/23=3, Resulting Numbers: [72, 3] Generated Node #0,0,0: 75:[72, 3] Operation: 69/23=3 Moving to Node #0,0,0 Current State: 75:[72, 3], Operations: ['41-18=23', '69/23=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 95, 38, 81, 7 ]
90
[ "95+81=176", "38*7=266", "266-176=90" ]
Current State: 90:[95, 38, 81, 7], Operations: [] Exploring Operation: 95+81=176, Resulting Numbers: [38, 7, 176] Generated Node #2: [38, 7, 176] from Operation: 95+81=176 Current State: 90:[38, 7, 176], Operations: ['95+81=176'] Exploring Operation: 38*7=266, Resulting Numbers: [176, 266] Generated Node #3: [176, 266] from Operation: 38*7=266 Current State: 90:[176, 266], Operations: ['95+81=176', '38*7=266'] Exploring Operation: 266-176=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[95, 38, 81, 7], Operations: [] Exploring Operation: 38+7=45, Resulting Numbers: [95, 81, 45] Generated Node #0,0: 90:[95, 81, 45] Operation: 38+7=45 Exploring Operation: 81-38=43, Resulting Numbers: [95, 7, 43] Generated Node #0,1: 90:[95, 7, 43] Operation: 81-38=43 Exploring Operation: 81+7=88, Resulting Numbers: [95, 38, 88] Generated Node #0,2: 90:[95, 38, 88] Operation: 81+7=88 Exploring Operation: 95-81=14, Resulting Numbers: [38, 7, 14] Generated Node #0,3: 90:[38, 7, 14] Operation: 95-81=14 Moving to Node #0,1 Current State: 90:[95, 7, 43], Operations: ['81-38=43'] Exploring Operation: 43-7=36, Resulting Numbers: [95, 36] Generated Node #0,1,0: 90:[95, 36] Operation: 43-7=36 Exploring Operation: 95-43=52, Resulting Numbers: [7, 52] Generated Node #0,1,1: 90:[7, 52] Operation: 95-43=52 Exploring Operation: 95-7=88, Resulting Numbers: [43, 88] Generated Node #0,1,2: 90:[43, 88] Operation: 95-7=88 Exploring Operation: 7+43=50, Resulting Numbers: [95, 50] Generated Node #0,1,3: 90:[95, 50] Operation: 7+43=50 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[43, 88], Operations: ['81-38=43', '95-7=88'] Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,90 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 #0,1,1 Current State: 90:[7, 52], Operations: ['81-38=43', '95-43=52'] Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,90 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,90 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 #0,1,3 Current State: 90:[95, 50], Operations: ['81-38=43', '7+43=50'] Exploring Operation: 95-50=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 95*50=4750, Resulting Numbers: [4750] 4750,90 unequal: No Solution Exploring Operation: 95+50=145, Resulting Numbers: [145] 145,90 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 #0,1,0 Current State: 90:[95, 36], Operations: ['81-38=43', '43-7=36'] Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 95*36=3420, Resulting Numbers: [3420] 3420,90 unequal: No Solution Exploring Operation: 95+36=131, Resulting Numbers: [131] 131,90 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: 90:[38, 7, 14], Operations: ['95-81=14'] Exploring Operation: 38-14=24, Resulting Numbers: [7, 24] Generated Node #0,3,0: 90:[7, 24] Operation: 38-14=24 Exploring Operation: 14/7=2, Resulting Numbers: [38, 2] Generated Node #0,3,1: 90:[38, 2] Operation: 14/7=2 Exploring Operation: 38+7=45, Resulting Numbers: [14, 45] Generated Node #0,3,2: 90:[14, 45] Operation: 38+7=45 Exploring Operation: 38-7=31, Resulting Numbers: [14, 31] Generated Node #0,3,3: 90:[14, 31] Operation: 38-7=31 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[14, 45], Operations: ['95-81=14', '38+7=45'] Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[14, 31], Operations: ['95-81=14', '38-7=31'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 14+31=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 14*31=434, Resulting Numbers: [434] 434,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[7, 24], Operations: ['95-81=14', '38-14=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,90 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[38, 2], Operations: ['95-81=14', '14/7=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,90 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,90 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: 90:[95, 38, 88], Operations: ['81+7=88'] Exploring Operation: 38+88=126, Resulting Numbers: [95, 126] Generated Node #0,2,0: 90:[95, 126] Operation: 38+88=126 Exploring Operation: 95-38=57, Resulting Numbers: [88, 57] Generated Node #0,2,1: 90:[88, 57] Operation: 95-38=57 Exploring Operation: 88-38=50, Resulting Numbers: [95, 50] Generated Node #0,2,2: 90:[95, 50] Operation: 88-38=50 Exploring Operation: 95-88=7, Resulting Numbers: [38, 7] Generated Node #0,2,3: 90:[38, 7] Operation: 95-88=7 Moving to Node #0,0 Current State: 90:[95, 81, 45], Operations: ['38+7=45'] Exploring Operation: 81+45=126, Resulting Numbers: [95, 126] Generated Node #0,0,0: 90:[95, 126] Operation: 81+45=126 Exploring Operation: 81-45=36, Resulting Numbers: [95, 36] Generated Node #0,0,1: 90:[95, 36] Operation: 81-45=36 Exploring Operation: 95-45=50, Resulting Numbers: [81, 50] Generated Node #0,0,2: 90:[81, 50] Operation: 95-45=50 Exploring Operation: 95-81=14, Resulting Numbers: [45, 14] Generated Node #0,0,3: 90:[45, 14] Operation: 95-81=14 Moving to Node #0,0,3 Current State: 90:[45, 14], Operations: ['38+7=45', '95-81=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,90 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[38, 7], Operations: ['81+7=88', '95-88=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,90 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[95, 50], Operations: ['81+7=88', '88-38=50'] Exploring Operation: 95+50=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 95*50=4750, Resulting Numbers: [4750] 4750,90 unequal: No Solution Exploring Operation: 95-50=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[95, 36], Operations: ['38+7=45', '81-45=36'] Exploring Operation: 95+36=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 95*36=3420, Resulting Numbers: [3420] 3420,90 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[88, 57], Operations: ['81+7=88', '95-38=57'] Exploring Operation: 88*57=5016, Resulting Numbers: [5016] 5016,90 unequal: No Solution Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 88+57=145, Resulting Numbers: [145] 145,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[81, 50], Operations: ['38+7=45', '95-45=50'] Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 81*50=4050, Resulting Numbers: [4050] 4050,90 unequal: No Solution Exploring Operation: 81+50=131, Resulting Numbers: [131] 131,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[95, 126], Operations: ['81+7=88', '38+88=126'] Exploring Operation: 95*126=11970, Resulting Numbers: [11970] 11970,90 unequal: No Solution Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,90 unequal: No Solution Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[95, 126], Operations: ['38+7=45', '81+45=126'] Exploring Operation: 95*126=11970, Resulting Numbers: [11970] 11970,90 unequal: No Solution Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,90 unequal: No Solution Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,90 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 3, 8, 15, 96 ]
43
[ "3*15=45", "96-8=88", "88-45=43" ]
Current State: 43:[3, 8, 15, 96], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [8, 96, 45] Generated Node #2: [8, 96, 45] from Operation: 3*15=45 Current State: 43:[8, 96, 45], Operations: ['3*15=45'] Exploring Operation: 96-8=88, Resulting Numbers: [45, 88] Generated Node #3: [45, 88] from Operation: 96-8=88 Current State: 43:[45, 88], Operations: ['3*15=45', '96-8=88'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[3, 8, 15, 96], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [8, 96, 45] Generated Node #0,0: 43:[8, 96, 45] Operation: 3*15=45 Exploring Operation: 96/3=32, Resulting Numbers: [8, 15, 32] Generated Node #0,1: 43:[8, 15, 32] Operation: 96/3=32 Exploring Operation: 3*8=24, Resulting Numbers: [15, 96, 24] Generated Node #0,2: 43:[15, 96, 24] Operation: 3*8=24 Exploring Operation: 96/8=12, Resulting Numbers: [3, 15, 12] Generated Node #0,3: 43:[3, 15, 12] Operation: 96/8=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[8, 15, 32], Operations: ['96/3=32'] Exploring Operation: 8+15=23, Resulting Numbers: [32, 23] Generated Node #0,1,0: 43:[32, 23] Operation: 8+15=23 Exploring Operation: 15+32=47, Resulting Numbers: [8, 47] Generated Node #0,1,1: 43:[8, 47] Operation: 15+32=47 Exploring Operation: 8+32=40, Resulting Numbers: [15, 40] Generated Node #0,1,2: 43:[15, 40] Operation: 8+32=40 Exploring Operation: 15-8=7, Resulting Numbers: [32, 7] Generated Node #0,1,3: 43:[32, 7] Operation: 15-8=7 Moving to Node #0,1,0 Current State: 43:[32, 23], Operations: ['96/3=32', '8+15=23'] Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,43 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[15, 40], Operations: ['96/3=32', '8+32=40'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 15*40=600, Resulting Numbers: [600] 600,43 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[8, 47], Operations: ['96/3=32', '15+32=47'] Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,43 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[32, 7], Operations: ['96/3=32', '15-8=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,43 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[8, 96, 45], Operations: ['3*15=45'] Exploring Operation: 96/8=12, Resulting Numbers: [45, 12] Generated Node #0,0,0: 43:[45, 12] Operation: 96/8=12 Exploring Operation: 45-8=37, Resulting Numbers: [96, 37] Generated Node #0,0,1: 43:[96, 37] Operation: 45-8=37 Exploring Operation: 96-8=88, Resulting Numbers: [45, 88] Generated Node #0,0,2: 43:[45, 88] Operation: 96-8=88 Exploring Operation: 96-45=51, Resulting Numbers: [8, 51] Generated Node #0,0,3: 43:[8, 51] Operation: 96-45=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[45, 12], Operations: ['3*15=45', '96/8=12'] Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,43 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[8, 51], Operations: ['3*15=45', '96-45=51'] Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[3, 8, 15, 96], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [8, 96, 45] Generated Node #0,0: 43:[8, 96, 45] Operation: 3*15=45 Moving to Node #0,0 Current State: 43:[8, 96, 45], Operations: ['3*15=45'] Exploring Operation: 96-45=51, Resulting Numbers: [8, 51] Generated Node #0,0,3: 43:[8, 51] Operation: 96-45=51 Moving to Node #0,0,3 Current State: 43:[8, 51], Operations: ['3*15=45', '96-45=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 5, 99, 97, 4 ]
18
[ "5+4=9", "99-97=2", "9*2=18" ]
Current State: 18:[5, 99, 97, 4], Operations: [] Exploring Operation: 5+4=9, Resulting Numbers: [99, 97, 9] Generated Node #2: [99, 97, 9] from Operation: 5+4=9 Current State: 18:[99, 97, 9], Operations: ['5+4=9'] Exploring Operation: 99-97=2, Resulting Numbers: [9, 2] Generated Node #3: [9, 2] from Operation: 99-97=2 Current State: 18:[9, 2], Operations: ['5+4=9', '99-97=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[5, 99, 97, 4], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [5, 4, 2] Generated Node #0,0: 18:[5, 4, 2] Operation: 99-97=2 Exploring Operation: 99-4=95, Resulting Numbers: [5, 97, 95] Generated Node #0,1: 18:[5, 97, 95] Operation: 99-4=95 Exploring Operation: 97-5=92, Resulting Numbers: [99, 4, 92] Generated Node #0,2: 18:[99, 4, 92] Operation: 97-5=92 Exploring Operation: 99-5=94, Resulting Numbers: [97, 4, 94] Generated Node #0,3: 18:[97, 4, 94] Operation: 99-5=94 Exploring Operation: 97-4=93, Resulting Numbers: [5, 99, 93] Generated Node #0,4: 18:[5, 99, 93] Operation: 97-4=93 Moving to Node #0,0 Current State: 18:[5, 4, 2], Operations: ['99-97=2'] Exploring Operation: 5+4=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 5+4=9 Exploring Operation: 4+2=6, Resulting Numbers: [5, 6] Generated Node #0,0,1: 18:[5, 6] Operation: 4+2=6 Exploring Operation: 4-2=2, Resulting Numbers: [5, 2] Generated Node #0,0,2: 18:[5, 2] Operation: 4-2=2 Exploring Operation: 5-4=1, Resulting Numbers: [2, 1] Generated Node #0,0,3: 18:[2, 1] Operation: 5-4=1 Exploring Operation: 5-2=3, Resulting Numbers: [4, 3] Generated Node #0,0,4: 18:[4, 3] Operation: 5-2=3 Moving to Node #0,3 Current State: 18:[97, 4, 94], Operations: ['99-5=94'] Exploring Operation: 97-4=93, Resulting Numbers: [94, 93] Generated Node #0,3,0: 18:[94, 93] Operation: 97-4=93 Exploring Operation: 94-4=90, Resulting Numbers: [97, 90] Generated Node #0,3,1: 18:[97, 90] Operation: 94-4=90 Exploring Operation: 97-94=3, Resulting Numbers: [4, 3] Generated Node #0,3,2: 18:[4, 3] Operation: 97-94=3 Exploring Operation: 97+4=101, Resulting Numbers: [94, 101] Generated Node #0,3,3: 18:[94, 101] Operation: 97+4=101 Exploring Operation: 4+94=98, Resulting Numbers: [97, 98] Generated Node #0,3,4: 18:[97, 98] Operation: 4+94=98 Moving to Node #0,2 Current State: 18:[99, 4, 92], Operations: ['97-5=92'] Exploring Operation: 99-92=7, Resulting Numbers: [4, 7] Generated Node #0,2,0: 18:[4, 7] Operation: 99-92=7 Exploring Operation: 99+4=103, Resulting Numbers: [92, 103] Generated Node #0,2,1: 18:[92, 103] Operation: 99+4=103 Exploring Operation: 92-4=88, Resulting Numbers: [99, 88] Generated Node #0,2,2: 18:[99, 88] Operation: 92-4=88 Exploring Operation: 99-4=95, Resulting Numbers: [92, 95] Generated Node #0,2,3: 18:[92, 95] Operation: 99-4=95 Exploring Operation: 92/4=23, Resulting Numbers: [99, 23] Generated Node #0,2,4: 18:[99, 23] Operation: 92/4=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[4, 7], Operations: ['97-5=92', '99-92=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,18 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 #0,2,4 Current State: 18:[99, 23], Operations: ['97-5=92', '92/4=23'] Exploring Operation: 99-23=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 99*23=2277, Resulting Numbers: [2277] 2277,18 unequal: No Solution Exploring Operation: 99+23=122, Resulting Numbers: [122] 122,18 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 #0,2,2 Current State: 18:[99, 88], Operations: ['97-5=92', '92-4=88'] Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 99*88=8712, Resulting Numbers: [8712] 8712,18 unequal: No Solution Exploring Operation: 99+88=187, Resulting Numbers: [187] 187,18 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 #0,2,3 Current State: 18:[92, 95], Operations: ['97-5=92', '99-4=95'] Exploring Operation: 92*95=8740, Resulting Numbers: [8740] 8740,18 unequal: No Solution Exploring Operation: 92+95=187, Resulting Numbers: [187] 187,18 unequal: No Solution Exploring Operation: 95-92=3, Resulting Numbers: [3] 3,18 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 #0,2,1 Current State: 18:[92, 103], Operations: ['97-5=92', '99+4=103'] Exploring Operation: 103-92=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 92+103=195, Resulting Numbers: [195] 195,18 unequal: No Solution Exploring Operation: 92*103=9476, Resulting Numbers: [9476] 9476,18 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: 18:[5, 97, 95], Operations: ['99-4=95'] Exploring Operation: 5+97=102, Resulting Numbers: [95, 102] Generated Node #0,1,0: 18:[95, 102] Operation: 5+97=102 Exploring Operation: 95/5=19, Resulting Numbers: [97, 19] Generated Node #0,1,1: 18:[97, 19] Operation: 95/5=19 Exploring Operation: 97-95=2, Resulting Numbers: [5, 2] Generated Node #0,1,2: 18:[5, 2] Operation: 97-95=2 Exploring Operation: 95-5=90, Resulting Numbers: [97, 90] Generated Node #0,1,3: 18:[97, 90] Operation: 95-5=90 Exploring Operation: 97-5=92, Resulting Numbers: [95, 92] Generated Node #0,1,4: 18:[95, 92] Operation: 97-5=92 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[5, 2], Operations: ['99-4=95', '97-95=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,18 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 #0,1,1 Current State: 18:[97, 19], Operations: ['99-4=95', '95/5=19'] Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 97*19=1843, Resulting Numbers: [1843] 1843,18 unequal: No Solution Exploring Operation: 97+19=116, Resulting Numbers: [116] 116,18 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 #0,1,3 Current State: 18:[97, 90], Operations: ['99-4=95', '95-5=90'] Exploring Operation: 97+90=187, Resulting Numbers: [187] 187,18 unequal: No Solution Exploring Operation: 97*90=8730, Resulting Numbers: [8730] 8730,18 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,18 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 #0,1,4 Current State: 18:[95, 92], Operations: ['99-4=95', '97-5=92'] Exploring Operation: 95*92=8740, Resulting Numbers: [8740] 8740,18 unequal: No Solution Exploring Operation: 95+92=187, Resulting Numbers: [187] 187,18 unequal: No Solution Exploring Operation: 95-92=3, Resulting Numbers: [3] 3,18 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 #0,1,0 Current State: 18:[95, 102], Operations: ['99-4=95', '5+97=102'] Exploring Operation: 102-95=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 95+102=197, Resulting Numbers: [197] 197,18 unequal: No Solution Exploring Operation: 95*102=9690, Resulting Numbers: [9690] 9690,18 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: 18:[5, 99, 93], Operations: ['97-4=93'] Exploring Operation: 99-93=6, Resulting Numbers: [5, 6] Generated Node #0,4,0: 18:[5, 6] Operation: 99-93=6 Exploring Operation: 93-5=88, Resulting Numbers: [99, 88] Generated Node #0,4,1: 18:[99, 88] Operation: 93-5=88 Exploring Operation: 5+99=104, Resulting Numbers: [93, 104] Generated Node #0,4,2: 18:[93, 104] Operation: 5+99=104 Exploring Operation: 5+93=98, Resulting Numbers: [99, 98] Generated Node #0,4,3: 18:[99, 98] Operation: 5+93=98 Exploring Operation: 99-5=94, Resulting Numbers: [93, 94] Generated Node #0,4,4: 18:[93, 94] Operation: 99-5=94 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 18:[5, 6], Operations: ['97-4=93', '99-93=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,18 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,18 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 #0,4,1 Current State: 18:[99, 88], Operations: ['97-4=93', '93-5=88'] Exploring Operation: 99+88=187, Resulting Numbers: [187] 187,18 unequal: No Solution Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 99*88=8712, Resulting Numbers: [8712] 8712,18 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 #0,4,4 Current State: 18:[93, 94], Operations: ['97-4=93', '99-5=94'] Exploring Operation: 93*94=8742, Resulting Numbers: [8742] 8742,18 unequal: No Solution Exploring Operation: 93+94=187, Resulting Numbers: [187] 187,18 unequal: No Solution Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,18 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 #0,4,2 Current State: 18:[93, 104], Operations: ['97-4=93', '5+99=104'] Exploring Operation: 104-93=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 93+104=197, Resulting Numbers: [197] 197,18 unequal: No Solution Exploring Operation: 93*104=9672, Resulting Numbers: [9672] 9672,18 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 #0,4,3 Current State: 18:[99, 98], Operations: ['97-4=93', '5+93=98'] Exploring Operation: 99*98=9702, Resulting Numbers: [9702] 9702,18 unequal: No Solution Exploring Operation: 99-98=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 99+98=197, Resulting Numbers: [197] 197,18 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: 18:[2, 9], Operations: ['99-97=2', '5+4=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[5, 99, 97, 4], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [5, 4, 2] Generated Node #0,0: 18:[5, 4, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 18:[5, 4, 2], Operations: ['99-97=2'] Exploring Operation: 5+4=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 5+4=9 Moving to Node #0,0,0 Current State: 18:[2, 9], Operations: ['99-97=2', '5+4=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.929688
hs_5
mult_heuristic
[ 39, 45, 39, 59 ]
45
[ "39-39=0", "59*0=0", "45+0=45" ]
Current State: 45:[39, 45, 39, 59], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [45, 59, 0] Generated Node #2: [45, 59, 0] from Operation: 39-39=0 Current State: 45:[45, 59, 0], Operations: ['39-39=0'] Exploring Operation: 59*0=0, Resulting Numbers: [45, 0] Generated Node #3: [45, 0] from Operation: 59*0=0 Current State: 45:[45, 0], Operations: ['39-39=0', '59*0=0'] Exploring Operation: 45+0=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[39, 45, 39, 59], Operations: [] Exploring Operation: 59-45=14, Resulting Numbers: [39, 39, 14] Generated Node #0,0: 45:[39, 39, 14] Operation: 59-45=14 Exploring Operation: 59-39=20, Resulting Numbers: [39, 45, 20] Generated Node #0,1: 45:[39, 45, 20] Operation: 59-39=20 Exploring Operation: 39/39=1, Resulting Numbers: [45, 59, 1] Generated Node #0,2: 45:[45, 59, 1] Operation: 39/39=1 Exploring Operation: 59-39=20, Resulting Numbers: [45, 39, 20] Generated Node #0,3: 45:[45, 39, 20] Operation: 59-39=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[39, 45, 20], Operations: ['59-39=20'] Exploring Operation: 39+20=59, Resulting Numbers: [45, 59] Generated Node #0,1,0: 45:[45, 59] Operation: 39+20=59 Exploring Operation: 45-20=25, Resulting Numbers: [39, 25] Generated Node #0,1,1: 45:[39, 25] Operation: 45-20=25 Exploring Operation: 45-39=6, Resulting Numbers: [20, 6] Generated Node #0,1,2: 45:[20, 6] Operation: 45-39=6 Exploring Operation: 39-20=19, Resulting Numbers: [45, 19] Generated Node #0,1,3: 45:[45, 19] Operation: 39-20=19 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[45, 19], Operations: ['59-39=20', '39-20=19'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,45 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 #0,1,2 Current State: 45:[20, 6], Operations: ['59-39=20', '45-39=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,45 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,45 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:[45, 59], Operations: ['59-39=20', '39+20=59'] Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,45 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,45 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:[39, 25], Operations: ['59-39=20', '45-20=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,45 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 #0,3 Current State: 45:[45, 39, 20], Operations: ['59-39=20'] Exploring Operation: 45-20=25, Resulting Numbers: [39, 25] Generated Node #0,3,0: 45:[39, 25] Operation: 45-20=25 Exploring Operation: 39+20=59, Resulting Numbers: [45, 59] Generated Node #0,3,1: 45:[45, 59] Operation: 39+20=59 Exploring Operation: 45-39=6, Resulting Numbers: [20, 6] Generated Node #0,3,2: 45:[20, 6] Operation: 45-39=6 Exploring Operation: 39-20=19, Resulting Numbers: [45, 19] Generated Node #0,3,3: 45:[45, 19] Operation: 39-20=19 Moving to Node #0,3,3 Current State: 45:[45, 19], Operations: ['59-39=20', '39-20=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,45 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,45 unequal: No Solution Moving to Node #0,3,2 Current State: 45:[20, 6], Operations: ['59-39=20', '45-39=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,45 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[45, 59], Operations: ['59-39=20', '39+20=59'] Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,45 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[39, 25], Operations: ['59-39=20', '45-20=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,45 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[39, 39, 14], Operations: ['59-45=14'] Exploring Operation: 39+14=53, Resulting Numbers: [39, 53] Generated Node #0,0,0: 45:[39, 53] Operation: 39+14=53 Exploring Operation: 39-39=0, Resulting Numbers: [14, 0] Generated Node #0,0,1: 45:[14, 0] Operation: 39-39=0 Exploring Operation: 39+14=53, Resulting Numbers: [39, 53] Generated Node #0,0,2: 45:[39, 53] Operation: 39+14=53 Exploring Operation: 39/39=1, Resulting Numbers: [14, 1] Generated Node #0,0,3: 45:[14, 1] Operation: 39/39=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[14, 1], Operations: ['59-45=14', '39/39=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,45 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 #0,0,1 Current State: 45:[14, 0], Operations: ['59-45=14', '39-39=0'] Exploring Operation: 14-0=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 14*0=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 14+0=14, Resulting Numbers: [14] 14,45 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 #0,0,0 Current State: 45:[39, 53], Operations: ['59-45=14', '39+14=53'] Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,45 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,45 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 #0,0,2 Current State: 45:[39, 53], Operations: ['59-45=14', '39+14=53'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,45 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 #0,2 Current State: 45:[45, 59, 1], Operations: ['39/39=1'] Exploring Operation: 59-45=14, Resulting Numbers: [1, 14] Generated Node #0,2,0: 45:[1, 14] Operation: 59-45=14 Exploring Operation: 59-1=58, Resulting Numbers: [45, 58] Generated Node #0,2,1: 45:[45, 58] Operation: 59-1=58 Exploring Operation: 45/1=45, Resulting Numbers: [59, 45] Generated Node #0,2,2: 45:[59, 45] Operation: 45/1=45 Exploring Operation: 45*1=45, Resulting Numbers: [59, 45] Generated Node #0,2,3: 45:[59, 45] Operation: 45*1=45 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[1, 14], Operations: ['39/39=1', '59-45=14'] Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,45 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:[45, 58], Operations: ['39/39=1', '59-1=58'] Exploring Operation: 45+58=103, Resulting Numbers: [103] 103,45 unequal: No Solution Exploring Operation: 45*58=2610, Resulting Numbers: [2610] 2610,45 unequal: No Solution Exploring Operation: 58-45=13, Resulting Numbers: [13] 13,45 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:[59, 45], Operations: ['39/39=1', '45/1=45'] Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,45 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,45 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 #0,2,3 Current State: 45:[59, 45], Operations: ['39/39=1', '45*1=45'] Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,45 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,45 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_4
sum_heuristic
[ 35, 6, 59, 48 ]
66
[ "35+6=41", "59+48=107", "107-41=66" ]
Current State: 66:[35, 6, 59, 48], Operations: [] Exploring Operation: 35+6=41, Resulting Numbers: [59, 48, 41] Generated Node #2: [59, 48, 41] from Operation: 35+6=41 Current State: 66:[59, 48, 41], Operations: ['35+6=41'] Exploring Operation: 59+48=107, Resulting Numbers: [41, 107] Generated Node #3: [41, 107] from Operation: 59+48=107 Current State: 66:[41, 107], Operations: ['35+6=41', '59+48=107'] Exploring Operation: 107-41=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[35, 6, 59, 48], Operations: [] Exploring Operation: 59-48=11, Resulting Numbers: [35, 6, 11] Generated Node #0,0: 66:[35, 6, 11] Operation: 59-48=11 Moving to Node #0,0 Current State: 66:[35, 6, 11], Operations: ['59-48=11'] Exploring Operation: 35-11=24, Resulting Numbers: [6, 24] Generated Node #0,0,0: 66:[6, 24] Operation: 35-11=24 Moving to Node #0,0,0 Current State: 66:[6, 24], Operations: ['59-48=11', '35-11=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,66 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 77, 11, 32, 36 ]
33
[ "36-32=4", "11*4=44", "77-44=33" ]
Current State: 33:[77, 11, 32, 36], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [77, 11, 4] Generated Node #2: [77, 11, 4] from Operation: 36-32=4 Current State: 33:[77, 11, 4], Operations: ['36-32=4'] Exploring Operation: 11*4=44, Resulting Numbers: [77, 44] Generated Node #3: [77, 44] from Operation: 11*4=44 Current State: 33:[77, 44], Operations: ['36-32=4', '11*4=44'] Exploring Operation: 77-44=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[77, 11, 32, 36], Operations: [] Exploring Operation: 77/11=7, Resulting Numbers: [32, 36, 7] Generated Node #0,0: 33:[32, 36, 7] Operation: 77/11=7 Exploring Operation: 77-32=45, Resulting Numbers: [11, 36, 45] Generated Node #0,1: 33:[11, 36, 45] Operation: 77-32=45 Exploring Operation: 77-36=41, Resulting Numbers: [11, 32, 41] Generated Node #0,2: 33:[11, 32, 41] Operation: 77-36=41 Exploring Operation: 77-11=66, Resulting Numbers: [32, 36, 66] Generated Node #0,3: 33:[32, 36, 66] Operation: 77-11=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[32, 36, 7], Operations: ['77/11=7'] Exploring Operation: 36-7=29, Resulting Numbers: [32, 29] Generated Node #0,0,0: 33:[32, 29] Operation: 36-7=29 Exploring Operation: 32+7=39, Resulting Numbers: [36, 39] Generated Node #0,0,1: 33:[36, 39] Operation: 32+7=39 Exploring Operation: 36-32=4, Resulting Numbers: [7, 4] Generated Node #0,0,2: 33:[7, 4] Operation: 36-32=4 Exploring Operation: 32-7=25, Resulting Numbers: [36, 25] Generated Node #0,0,3: 33:[36, 25] Operation: 32-7=25 Moving to Node #0,0,0 Current State: 33:[32, 29], Operations: ['77/11=7', '36-7=29'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,33 unequal: No Solution Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[7, 4], Operations: ['77/11=7', '36-32=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[36, 39], Operations: ['77/11=7', '32+7=39'] Exploring Operation: 36*39=1404, Resulting Numbers: [1404] 1404,33 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 36+39=75, Resulting Numbers: [75] 75,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[36, 25], Operations: ['77/11=7', '32-7=25'] Exploring Operation: 36*25=900, Resulting Numbers: [900] 900,33 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,33 unequal: No Solution No 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: 33:[11, 32, 41], Operations: ['77-36=41'] Exploring Operation: 41-32=9, Resulting Numbers: [11, 9] Generated Node #0,2,0: 33:[11, 9] Operation: 41-32=9 Exploring Operation: 41-11=30, Resulting Numbers: [32, 30] Generated Node #0,2,1: 33:[32, 30] Operation: 41-11=30 Exploring Operation: 32-11=21, Resulting Numbers: [41, 21] Generated Node #0,2,2: 33:[41, 21] Operation: 32-11=21 Exploring Operation: 11+32=43, Resulting Numbers: [41, 43] Generated Node #0,2,3: 33:[41, 43] Operation: 11+32=43 Moving to Node #0,2,0 Current State: 33:[11, 9], Operations: ['77-36=41', '41-32=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,33 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[32, 30], Operations: ['77-36=41', '41-11=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,33 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[41, 43], Operations: ['77-36=41', '11+32=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,33 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[41, 21], Operations: ['77-36=41', '32-11=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,33 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,33 unequal: No Solution No 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: 33:[11, 36, 45], Operations: ['77-32=45'] Exploring Operation: 45-11=34, Resulting Numbers: [36, 34] Generated Node #0,1,0: 33:[36, 34] Operation: 45-11=34 Exploring Operation: 36-11=25, Resulting Numbers: [45, 25] Generated Node #0,1,1: 33:[45, 25] Operation: 36-11=25 Exploring Operation: 11+36=47, Resulting Numbers: [45, 47] Generated Node #0,1,2: 33:[45, 47] Operation: 11+36=47 Exploring Operation: 45-36=9, Resulting Numbers: [11, 9] Generated Node #0,1,3: 33:[11, 9] Operation: 45-36=9 Moving to Node #0,1,3 Current State: 33:[11, 9], Operations: ['77-32=45', '45-36=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[36, 34], Operations: ['77-32=45', '45-11=34'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[45, 25], Operations: ['77-32=45', '36-11=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,33 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[45, 47], Operations: ['77-32=45', '11+36=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,33 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,33 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,33 unequal: No Solution No 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: 33:[32, 36, 66], Operations: ['77-11=66'] Exploring Operation: 32+36=68, Resulting Numbers: [66, 68] Generated Node #0,3,0: 33:[66, 68] Operation: 32+36=68 Exploring Operation: 36-32=4, Resulting Numbers: [66, 4] Generated Node #0,3,1: 33:[66, 4] Operation: 36-32=4 Exploring Operation: 66-32=34, Resulting Numbers: [36, 34] Generated Node #0,3,2: 33:[36, 34] Operation: 66-32=34 Exploring Operation: 66-36=30, Resulting Numbers: [32, 30] Generated Node #0,3,3: 33:[32, 30] Operation: 66-36=30 Moving to Node #0,3,2 Current State: 33:[36, 34], Operations: ['77-11=66', '66-32=34'] Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[32, 30], Operations: ['77-11=66', '66-36=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,33 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[66, 4], Operations: ['77-11=66', '36-32=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,33 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[66, 68], Operations: ['77-11=66', '32+36=68'] Exploring Operation: 66+68=134, Resulting Numbers: [134] 134,33 unequal: No Solution Exploring Operation: 68-66=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 66*68=4488, Resulting Numbers: [4488] 4488,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 41, 32, 76, 42 ]
25
[ "41-32=9", "76-42=34", "34-9=25" ]
Current State: 25:[41, 32, 76, 42], Operations: [] Exploring Operation: 41-32=9, Resulting Numbers: [76, 42, 9] Generated Node #2: [76, 42, 9] from Operation: 41-32=9 Current State: 25:[76, 42, 9], Operations: ['41-32=9'] Exploring Operation: 76-42=34, Resulting Numbers: [9, 34] Generated Node #3: [9, 34] from Operation: 76-42=34 Current State: 25:[9, 34], Operations: ['41-32=9', '76-42=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[41, 32, 76, 42], Operations: [] Exploring Operation: 76-41=35, Resulting Numbers: [32, 42, 35] Generated Node #0,0: 25:[32, 42, 35] Operation: 76-41=35 Exploring Operation: 42-41=1, Resulting Numbers: [32, 76, 1] Generated Node #0,1: 25:[32, 76, 1] Operation: 42-41=1 Exploring Operation: 76-32=44, Resulting Numbers: [41, 42, 44] Generated Node #0,2: 25:[41, 42, 44] Operation: 76-32=44 Exploring Operation: 76-42=34, Resulting Numbers: [41, 32, 34] Generated Node #0,3: 25:[41, 32, 34] Operation: 76-42=34 Exploring Operation: 41-32=9, Resulting Numbers: [76, 42, 9] Generated Node #0,4: 25:[76, 42, 9] Operation: 41-32=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[41, 32, 34], Operations: ['76-42=34'] Exploring Operation: 41+34=75, Resulting Numbers: [32, 75] Generated Node #0,3,0: 25:[32, 75] Operation: 41+34=75 Exploring Operation: 41-32=9, Resulting Numbers: [34, 9] Generated Node #0,3,1: 25:[34, 9] Operation: 41-32=9 Exploring Operation: 41+32=73, Resulting Numbers: [34, 73] Generated Node #0,3,2: 25:[34, 73] Operation: 41+32=73 Exploring Operation: 34-32=2, Resulting Numbers: [41, 2] Generated Node #0,3,3: 25:[41, 2] Operation: 34-32=2 Exploring Operation: 41-34=7, Resulting Numbers: [32, 7] Generated Node #0,3,4: 25:[32, 7] Operation: 41-34=7 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 25:[32, 7], Operations: ['76-42=34', '41-34=7'] Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,25 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[41, 32, 76, 42], Operations: [] Exploring Operation: 76-42=34, Resulting Numbers: [41, 32, 34] Generated Node #0,3: 25:[41, 32, 34] Operation: 76-42=34 Moving to Node #0,3 Current State: 25:[41, 32, 34], Operations: ['76-42=34'] Exploring Operation: 41-34=7, Resulting Numbers: [32, 7] Generated Node #0,3,4: 25:[32, 7] Operation: 41-34=7 Moving to Node #0,3,4 Current State: 25:[32, 7], Operations: ['76-42=34', '41-34=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 63, 48, 4, 21 ]
41
[ "63/21=3", "48-4=44", "44-3=41" ]
Current State: 41:[63, 48, 4, 21], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [48, 4, 3] Generated Node #2: [48, 4, 3] from Operation: 63/21=3 Current State: 41:[48, 4, 3], Operations: ['63/21=3'] Exploring Operation: 48-4=44, Resulting Numbers: [3, 44] Generated Node #3: [3, 44] from Operation: 48-4=44 Current State: 41:[3, 44], Operations: ['63/21=3', '48-4=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[63, 48, 4, 21], Operations: [] Exploring Operation: 63-21=42, Resulting Numbers: [48, 4, 42] Generated Node #0,0: 41:[48, 4, 42] Operation: 63-21=42 Exploring Operation: 63-4=59, Resulting Numbers: [48, 21, 59] Generated Node #0,1: 41:[48, 21, 59] Operation: 63-4=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[48, 4, 42], Operations: ['63-21=42'] Exploring Operation: 42-4=38, Resulting Numbers: [48, 38] Generated Node #0,0,0: 41:[48, 38] Operation: 42-4=38 Exploring Operation: 48-4=44, Resulting Numbers: [42, 44] Generated Node #0,0,1: 41:[42, 44] Operation: 48-4=44 Moving to Node #0,0,1 Current State: 41:[42, 44], Operations: ['63-21=42', '48-4=44'] Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[48, 38], Operations: ['63-21=42', '42-4=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,41 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 Current State: 41:[48, 21, 59], Operations: ['63-4=59'] Exploring Operation: 48-21=27, Resulting Numbers: [59, 27] Generated Node #0,1,0: 41:[59, 27] Operation: 48-21=27 Exploring Operation: 59-21=38, Resulting Numbers: [48, 38] Generated Node #0,1,1: 41:[48, 38] Operation: 59-21=38 Moving to Node #0,1,1 Current State: 41:[48, 38], Operations: ['63-4=59', '59-21=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[59, 27], Operations: ['63-4=59', '48-21=27'] Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 95, 18, 61, 94 ]
80
[ "95+18=113", "94-61=33", "113-33=80" ]
Current State: 80:[95, 18, 61, 94], Operations: [] Exploring Operation: 95+18=113, Resulting Numbers: [61, 94, 113] Generated Node #2: [61, 94, 113] from Operation: 95+18=113 Current State: 80:[61, 94, 113], Operations: ['95+18=113'] Exploring Operation: 94-61=33, Resulting Numbers: [113, 33] Generated Node #3: [113, 33] from Operation: 94-61=33 Current State: 80:[113, 33], Operations: ['95+18=113', '94-61=33'] Exploring Operation: 113-33=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[95, 18, 61, 94], Operations: [] Exploring Operation: 18+61=79, Resulting Numbers: [95, 94, 79] Generated Node #0,0: 80:[95, 94, 79] Operation: 18+61=79 Exploring Operation: 94-61=33, Resulting Numbers: [95, 18, 33] Generated Node #0,1: 80:[95, 18, 33] Operation: 94-61=33 Exploring Operation: 61-18=43, Resulting Numbers: [95, 94, 43] Generated Node #0,2: 80:[95, 94, 43] Operation: 61-18=43 Exploring Operation: 95-94=1, Resulting Numbers: [18, 61, 1] Generated Node #0,3: 80:[18, 61, 1] Operation: 95-94=1 Exploring Operation: 95-61=34, Resulting Numbers: [18, 94, 34] Generated Node #0,4: 80:[18, 94, 34] Operation: 95-61=34 Moving to Node #0,3 Current State: 80:[18, 61, 1], Operations: ['95-94=1'] Exploring Operation: 61-18=43, Resulting Numbers: [1, 43] Generated Node #0,3,0: 80:[1, 43] Operation: 61-18=43 Exploring Operation: 18-1=17, Resulting Numbers: [61, 17] Generated Node #0,3,1: 80:[61, 17] Operation: 18-1=17 Exploring Operation: 18+1=19, Resulting Numbers: [61, 19] Generated Node #0,3,2: 80:[61, 19] Operation: 18+1=19 Exploring Operation: 18+61=79, Resulting Numbers: [1, 79] Generated Node #0,3,3: 80:[1, 79] Operation: 18+61=79 Exploring Operation: 61+1=62, Resulting Numbers: [18, 62] Generated Node #0,3,4: 80:[18, 62] Operation: 61+1=62 Moving to Node #0,4 Current State: 80:[18, 94, 34], Operations: ['95-61=34'] Exploring Operation: 18+94=112, Resulting Numbers: [34, 112] Generated Node #0,4,0: 80:[34, 112] Operation: 18+94=112 Exploring Operation: 18+34=52, Resulting Numbers: [94, 52] Generated Node #0,4,1: 80:[94, 52] Operation: 18+34=52 Exploring Operation: 34-18=16, Resulting Numbers: [94, 16] Generated Node #0,4,2: 80:[94, 16] Operation: 34-18=16 Exploring Operation: 94-18=76, Resulting Numbers: [34, 76] Generated Node #0,4,3: 80:[34, 76] Operation: 94-18=76 Exploring Operation: 94-34=60, Resulting Numbers: [18, 60] Generated Node #0,4,4: 80:[18, 60] Operation: 94-34=60 Moving to Node #0,1 Current State: 80:[95, 18, 33], Operations: ['94-61=33'] Exploring Operation: 95-18=77, Resulting Numbers: [33, 77] Generated Node #0,1,0: 80:[33, 77] Operation: 95-18=77 Exploring Operation: 95-33=62, Resulting Numbers: [18, 62] Generated Node #0,1,1: 80:[18, 62] Operation: 95-33=62 Exploring Operation: 95+18=113, Resulting Numbers: [33, 113] Generated Node #0,1,2: 80:[33, 113] Operation: 95+18=113 Exploring Operation: 18+33=51, Resulting Numbers: [95, 51] Generated Node #0,1,3: 80:[95, 51] Operation: 18+33=51 Exploring Operation: 33-18=15, Resulting Numbers: [95, 15] Generated Node #0,1,4: 80:[95, 15] Operation: 33-18=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[33, 77], Operations: ['94-61=33', '95-18=77'] Exploring Operation: 33*77=2541, Resulting Numbers: [2541] 2541,80 unequal: No Solution Exploring Operation: 33+77=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 80:[95, 15], Operations: ['94-61=33', '33-18=15'] Exploring Operation: 95+15=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 95-15=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[95, 18, 61, 94], Operations: [] Exploring Operation: 94-61=33, Resulting Numbers: [95, 18, 33] Generated Node #0,1: 80:[95, 18, 33] Operation: 94-61=33 Moving to Node #0,1 Current State: 80:[95, 18, 33], Operations: ['94-61=33'] Exploring Operation: 33-18=15, Resulting Numbers: [95, 15] Generated Node #0,1,4: 80:[95, 15] Operation: 33-18=15 Moving to Node #0,1,4 Current State: 80:[95, 15], Operations: ['94-61=33', '33-18=15'] Exploring Operation: 95-15=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
mult_heuristic
[ 28, 70, 42, 42 ]
67
[ "42-28=14", "42/14=3", "70-3=67" ]
Current State: 67:[28, 70, 42, 42], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [70, 14] Generated Node #2: [70, 14] from Operation: 42-28=14 Current State: 67:[70, 14], Operations: ['42-28=14'] Exploring Operation: 42/14=3, Resulting Numbers: [70, 3] Generated Node #3: [70, 3] from Operation: 42/14=3 Current State: 67:[70, 3], Operations: ['42-28=14', '42/14=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[28, 70, 42, 42], Operations: [] Exploring Operation: 28+42=70, Resulting Numbers: [70, 42, 70] Generated Node #0,0: 67:[70, 42, 70] Operation: 28+42=70 Exploring Operation: 28+42=70, Resulting Numbers: [70, 42, 70] Generated Node #0,1: 67:[70, 42, 70] Operation: 28+42=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[70, 42, 70], Operations: ['28+42=70'] Exploring Operation: 70-42=28, Resulting Numbers: [70, 28] Generated Node #0,0,0: 67:[70, 28] Operation: 70-42=28 Exploring Operation: 70-42=28, Resulting Numbers: [70, 28] Generated Node #0,0,1: 67:[70, 28] Operation: 70-42=28 Moving to Node #0,0,0 Current State: 67:[70, 28], Operations: ['28+42=70', '70-42=28'] Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,67 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[70, 28], Operations: ['28+42=70', '70-42=28'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[70, 42, 70], Operations: ['28+42=70'] Exploring Operation: 70-42=28, Resulting Numbers: [70, 28] Generated Node #0,1,0: 67:[70, 28] Operation: 70-42=28 Exploring Operation: 70-42=28, Resulting Numbers: [70, 28] Generated Node #0,1,1: 67:[70, 28] Operation: 70-42=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[70, 28], Operations: ['28+42=70', '70-42=28'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[70, 28], Operations: ['28+42=70', '70-42=28'] Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,67 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 11, 26, 67, 87 ]
17
[ "11+26=37", "87-67=20", "37-20=17" ]
Current State: 17:[11, 26, 67, 87], Operations: [] Exploring Operation: 11+26=37, Resulting Numbers: [67, 87, 37] Generated Node #2: [67, 87, 37] from Operation: 11+26=37 Current State: 17:[67, 87, 37], Operations: ['11+26=37'] Exploring Operation: 87-67=20, Resulting Numbers: [37, 20] Generated Node #3: [37, 20] from Operation: 87-67=20 Current State: 17:[37, 20], Operations: ['11+26=37', '87-67=20'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[11, 26, 67, 87], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [11, 26, 20] Generated Node #0,0: 17:[11, 26, 20] Operation: 87-67=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[11, 26, 20], Operations: ['87-67=20'] Exploring Operation: 26-11=15, Resulting Numbers: [20, 15] Generated Node #0,0,0: 17:[20, 15] Operation: 26-11=15 Moving to Node #0,0,0 Current State: 17:[20, 15], Operations: ['87-67=20', '26-11=15'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 89, 14, 38, 30 ]
23
[ "38-30=8", "14*8=112", "112-89=23" ]
Current State: 23:[89, 14, 38, 30], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [89, 14, 8] Generated Node #2: [89, 14, 8] from Operation: 38-30=8 Current State: 23:[89, 14, 8], Operations: ['38-30=8'] Exploring Operation: 14*8=112, Resulting Numbers: [89, 112] Generated Node #3: [89, 112] from Operation: 14*8=112 Current State: 23:[89, 112], Operations: ['38-30=8', '14*8=112'] Exploring Operation: 112-89=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[89, 14, 38, 30], Operations: [] Exploring Operation: 89-38=51, Resulting Numbers: [14, 30, 51] Generated Node #0,0: 23:[14, 30, 51] Operation: 89-38=51 Exploring Operation: 89-30=59, Resulting Numbers: [14, 38, 59] Generated Node #0,1: 23:[14, 38, 59] Operation: 89-30=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[14, 30, 51], Operations: ['89-38=51'] Exploring Operation: 51-30=21, Resulting Numbers: [14, 21] Generated Node #0,0,0: 23:[14, 21] Operation: 51-30=21 Exploring Operation: 51-14=37, Resulting Numbers: [30, 37] Generated Node #0,0,1: 23:[30, 37] Operation: 51-14=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[14, 21], Operations: ['89-38=51', '51-30=21'] Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[30, 37], Operations: ['89-38=51', '51-14=37'] Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[14, 38, 59], Operations: ['89-30=59'] Exploring Operation: 38-14=24, Resulting Numbers: [59, 24] Generated Node #0,1,0: 23:[59, 24] Operation: 38-14=24 Exploring Operation: 59-38=21, Resulting Numbers: [14, 21] Generated Node #0,1,1: 23:[14, 21] Operation: 59-38=21 Moving to Node #0,1,1 Current State: 23:[14, 21], Operations: ['89-30=59', '59-38=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[59, 24], Operations: ['89-30=59', '38-14=24'] Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,23 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
[ 14, 35, 42, 44 ]
82
[ "42/14=3", "35+44=79", "3+79=82" ]
Current State: 82:[14, 35, 42, 44], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [35, 44, 3] Generated Node #2: [35, 44, 3] from Operation: 42/14=3 Current State: 82:[35, 44, 3], Operations: ['42/14=3'] Exploring Operation: 35+44=79, Resulting Numbers: [3, 79] Generated Node #3: [3, 79] from Operation: 35+44=79 Current State: 82:[3, 79], Operations: ['42/14=3', '35+44=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[14, 35, 42, 44], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [35, 44, 3] Generated Node #0,0: 82:[35, 44, 3] Operation: 42/14=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[35, 44, 3], Operations: ['42/14=3'] Exploring Operation: 35+44=79, Resulting Numbers: [3, 79] Generated Node #0,0,0: 82:[3, 79] Operation: 35+44=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[3, 79], Operations: ['42/14=3', '35+44=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[14, 35, 42, 44], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [35, 44, 3] Generated Node #0,0: 82:[35, 44, 3] Operation: 42/14=3 Moving to Node #0,0 Current State: 82:[35, 44, 3], Operations: ['42/14=3'] Exploring Operation: 35+44=79, Resulting Numbers: [3, 79] Generated Node #0,0,0: 82:[3, 79] Operation: 35+44=79 Moving to Node #0,0,0 Current State: 82:[3, 79], Operations: ['42/14=3', '35+44=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 72, 37, 33, 22 ]
20
[ "72-37=35", "33+22=55", "55-35=20" ]
Current State: 20:[72, 37, 33, 22], Operations: [] Exploring Operation: 72-37=35, Resulting Numbers: [33, 22, 35] Generated Node #2: [33, 22, 35] from Operation: 72-37=35 Current State: 20:[33, 22, 35], Operations: ['72-37=35'] Exploring Operation: 33+22=55, Resulting Numbers: [35, 55] Generated Node #3: [35, 55] from Operation: 33+22=55 Current State: 20:[35, 55], Operations: ['72-37=35', '33+22=55'] Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[72, 37, 33, 22], Operations: [] Exploring Operation: 72-37=35, Resulting Numbers: [33, 22, 35] Generated Node #0,0: 20:[33, 22, 35] Operation: 72-37=35 Exploring Operation: 72-33=39, Resulting Numbers: [37, 22, 39] Generated Node #0,1: 20:[37, 22, 39] Operation: 72-33=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[33, 22, 35], Operations: ['72-37=35'] Exploring Operation: 35-33=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 20:[22, 2] Operation: 35-33=2 Exploring Operation: 33-22=11, Resulting Numbers: [35, 11] Generated Node #0,0,1: 20:[35, 11] Operation: 33-22=11 Moving to Node #0,0,0 Current State: 20:[22, 2], Operations: ['72-37=35', '35-33=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[72, 37, 33, 22], Operations: [] Exploring Operation: 72-37=35, Resulting Numbers: [33, 22, 35] Generated Node #0,0: 20:[33, 22, 35] Operation: 72-37=35 Moving to Node #0,0 Current State: 20:[33, 22, 35], Operations: ['72-37=35'] Exploring Operation: 35-33=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 20:[22, 2] Operation: 35-33=2 Moving to Node #0,0,0 Current State: 20:[22, 2], Operations: ['72-37=35', '35-33=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 4, 57, 12, 7 ]
36
[ "12/4=3", "7*3=21", "57-21=36" ]
Current State: 36:[4, 57, 12, 7], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [57, 7, 3] Generated Node #2: [57, 7, 3] from Operation: 12/4=3 Current State: 36:[57, 7, 3], Operations: ['12/4=3'] Exploring Operation: 7*3=21, Resulting Numbers: [57, 21] Generated Node #3: [57, 21] from Operation: 7*3=21 Current State: 36:[57, 21], Operations: ['12/4=3', '7*3=21'] Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[4, 57, 12, 7], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [4, 7, 45] Generated Node #0,0: 36:[4, 7, 45] Operation: 57-12=45 Exploring Operation: 57-7=50, Resulting Numbers: [4, 12, 50] Generated Node #0,1: 36:[4, 12, 50] Operation: 57-7=50 Moving to Node #0,0 Current State: 36:[4, 7, 45], Operations: ['57-12=45'] Exploring Operation: 45-4=41, Resulting Numbers: [7, 41] Generated Node #0,0,0: 36:[7, 41] Operation: 45-4=41 Exploring Operation: 45-7=38, Resulting Numbers: [4, 38] Generated Node #0,0,1: 36:[4, 38] Operation: 45-7=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[4, 38], Operations: ['57-12=45', '45-7=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[7, 41], Operations: ['57-12=45', '45-4=41'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,36 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: 36:[4, 12, 50], Operations: ['57-7=50'] Exploring Operation: 50-12=38, Resulting Numbers: [4, 38] Generated Node #0,1,0: 36:[4, 38] Operation: 50-12=38 Exploring Operation: 50-4=46, Resulting Numbers: [12, 46] Generated Node #0,1,1: 36:[12, 46] Operation: 50-4=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[4, 38], Operations: ['57-7=50', '50-12=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[12, 46], Operations: ['57-7=50', '50-4=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,36 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
[ 2, 91, 91, 65 ]
52
[ "2*65=130", "91+91=182", "182-130=52" ]
Current State: 52:[2, 91, 91, 65], Operations: [] Exploring Operation: 2*65=130, Resulting Numbers: [91, 91, 130] Generated Node #2: [91, 91, 130] from Operation: 2*65=130 Current State: 52:[91, 91, 130], Operations: ['2*65=130'] Exploring Operation: 91+91=182, Resulting Numbers: [130, 182] Generated Node #3: [130, 182] from Operation: 91+91=182 Current State: 52:[130, 182], Operations: ['2*65=130', '91+91=182'] Exploring Operation: 182-130=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 91, 91, 65], Operations: [] Exploring Operation: 91/91=1, Resulting Numbers: [2, 65, 1] Generated Node #0,0: 52:[2, 65, 1] Operation: 91/91=1 Exploring Operation: 91-91=0, Resulting Numbers: [2, 65, 0] Generated Node #0,1: 52:[2, 65, 0] Operation: 91-91=0 Moving to Node #0,0 Current State: 52:[2, 65, 1], Operations: ['91/91=1'] Exploring Operation: 65-2=63, Resulting Numbers: [1, 63] Generated Node #0,0,0: 52:[1, 63] Operation: 65-2=63 Exploring Operation: 65-1=64, Resulting Numbers: [2, 64] Generated Node #0,0,1: 52:[2, 64] Operation: 65-1=64 Moving to Node #0,1 Current State: 52:[2, 65, 0], Operations: ['91-91=0'] Exploring Operation: 65*0=0, Resulting Numbers: [2, 0] Generated Node #0,1,0: 52:[2, 0] Operation: 65*0=0 Exploring Operation: 65-2=63, Resulting Numbers: [0, 63] Generated Node #0,1,1: 52:[0, 63] Operation: 65-2=63 Moving to Node #0,1,0 Current State: 52:[2, 0], Operations: ['91-91=0', '65*0=0'] Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[1, 63], Operations: ['91/91=1', '65-2=63'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[2, 64], Operations: ['91/91=1', '65-1=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[0, 63], Operations: ['91-91=0', '65-2=63'] Exploring Operation: 0*63=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 0+63=63, Resulting Numbers: [63] 63,52 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 70, 1, 55, 37 ]
87
[ "70-1=69", "55-37=18", "69+18=87" ]
Current State: 87:[70, 1, 55, 37], Operations: [] Exploring Operation: 70-1=69, Resulting Numbers: [55, 37, 69] Generated Node #2: [55, 37, 69] from Operation: 70-1=69 Current State: 87:[55, 37, 69], Operations: ['70-1=69'] Exploring Operation: 55-37=18, Resulting Numbers: [69, 18] Generated Node #3: [69, 18] from Operation: 55-37=18 Current State: 87:[69, 18], Operations: ['70-1=69', '55-37=18'] Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[70, 1, 55, 37], Operations: [] Exploring Operation: 70-37=33, Resulting Numbers: [1, 55, 33] Generated Node #0,0: 87:[1, 55, 33] Operation: 70-37=33 Exploring Operation: 70+55=125, Resulting Numbers: [1, 37, 125] Generated Node #0,1: 87:[1, 37, 125] Operation: 70+55=125 Exploring Operation: 55+37=92, Resulting Numbers: [70, 1, 92] Generated Node #0,2: 87:[70, 1, 92] Operation: 55+37=92 Exploring Operation: 70-55=15, Resulting Numbers: [1, 37, 15] Generated Node #0,3: 87:[1, 37, 15] Operation: 70-55=15 Exploring Operation: 55-37=18, Resulting Numbers: [70, 1, 18] Generated Node #0,4: 87:[70, 1, 18] Operation: 55-37=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[1, 37, 15], Operations: ['70-55=15'] Exploring Operation: 37/1=37, Resulting Numbers: [15, 37] Generated Node #0,3,0: 87:[15, 37] Operation: 37/1=37 Exploring Operation: 1*37=37, Resulting Numbers: [15, 37] Generated Node #0,3,1: 87:[15, 37] Operation: 1*37=37 Exploring Operation: 37-15=22, Resulting Numbers: [1, 22] Generated Node #0,3,2: 87:[1, 22] Operation: 37-15=22 Exploring Operation: 37-1=36, Resulting Numbers: [15, 36] Generated Node #0,3,3: 87:[15, 36] Operation: 37-1=36 Exploring Operation: 15-1=14, Resulting Numbers: [37, 14] Generated Node #0,3,4: 87:[37, 14] Operation: 15-1=14 Moving to Node #0,3,2 Current State: 87:[1, 22], Operations: ['70-55=15', '37-15=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,87 unequal: No Solution Moving to Node #0,3,4 Current State: 87:[37, 14], Operations: ['70-55=15', '15-1=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,87 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[15, 36], Operations: ['70-55=15', '37-1=36'] Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,87 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,87 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[15, 37], Operations: ['70-55=15', '37/1=37'] Exploring Operation: 15+37=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 15*37=555, Resulting Numbers: [555] 555,87 unequal: No Solution Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[15, 37], Operations: ['70-55=15', '1*37=37'] Exploring Operation: 15*37=555, Resulting Numbers: [555] 555,87 unequal: No Solution Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 15+37=52, Resulting Numbers: [52] 52,87 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:[70, 1, 92], Operations: ['55+37=92'] Exploring Operation: 70/1=70, Resulting Numbers: [92, 70] Generated Node #0,2,0: 87:[92, 70] Operation: 70/1=70 Exploring Operation: 92-70=22, Resulting Numbers: [1, 22] Generated Node #0,2,1: 87:[1, 22] Operation: 92-70=22 Exploring Operation: 70+1=71, Resulting Numbers: [92, 71] Generated Node #0,2,2: 87:[92, 71] Operation: 70+1=71 Exploring Operation: 92-1=91, Resulting Numbers: [70, 91] Generated Node #0,2,3: 87:[70, 91] Operation: 92-1=91 Exploring Operation: 70*1=70, Resulting Numbers: [92, 70] Generated Node #0,2,4: 87:[92, 70] Operation: 70*1=70 Moving to Node #0,2,1 Current State: 87:[1, 22], Operations: ['55+37=92', '92-70=22'] Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[70, 91], Operations: ['55+37=92', '92-1=91'] Exploring Operation: 70+91=161, Resulting Numbers: [161] 161,87 unequal: No Solution Exploring Operation: 70*91=6370, Resulting Numbers: [6370] 6370,87 unequal: No Solution Exploring Operation: 91-70=21, Resulting Numbers: [21] 21,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[92, 71], Operations: ['55+37=92', '70+1=71'] Exploring Operation: 92*71=6532, Resulting Numbers: [6532] 6532,87 unequal: No Solution Exploring Operation: 92+71=163, Resulting Numbers: [163] 163,87 unequal: No Solution Exploring Operation: 92-71=21, Resulting Numbers: [21] 21,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[92, 70], Operations: ['55+37=92', '70/1=70'] Exploring Operation: 92+70=162, Resulting Numbers: [162] 162,87 unequal: No Solution Exploring Operation: 92*70=6440, Resulting Numbers: [6440] 6440,87 unequal: No Solution Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,87 unequal: No Solution Moving to Node #0,2,4 Current State: 87:[92, 70], Operations: ['55+37=92', '70*1=70'] Exploring Operation: 92+70=162, Resulting Numbers: [162] 162,87 unequal: No Solution Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 92*70=6440, Resulting Numbers: [6440] 6440,87 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 #0,4 Current State: 87:[70, 1, 18], Operations: ['55-37=18'] Exploring Operation: 70+18=88, Resulting Numbers: [1, 88] Generated Node #0,4,0: 87:[1, 88] Operation: 70+18=88 Exploring Operation: 70+1=71, Resulting Numbers: [18, 71] Generated Node #0,4,1: 87:[18, 71] Operation: 70+1=71 Exploring Operation: 1+18=19, Resulting Numbers: [70, 19] Generated Node #0,4,2: 87:[70, 19] Operation: 1+18=19 Exploring Operation: 70*1=70, Resulting Numbers: [18, 70] Generated Node #0,4,3: 87:[18, 70] Operation: 70*1=70 Exploring Operation: 70-18=52, Resulting Numbers: [1, 52] Generated Node #0,4,4: 87:[1, 52] Operation: 70-18=52 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 87:[1, 88], Operations: ['55-37=18', '70+18=88'] Exploring Operation: 1*88=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[70, 1, 55, 37], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [70, 1, 18] Generated Node #0,4: 87:[70, 1, 18] Operation: 55-37=18 Moving to Node #0,4 Current State: 87:[70, 1, 18], Operations: ['55-37=18'] Exploring Operation: 70+18=88, Resulting Numbers: [1, 88] Generated Node #0,4,0: 87:[1, 88] Operation: 70+18=88 Moving to Node #0,4,0 Current State: 87:[1, 88], Operations: ['55-37=18', '70+18=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.948785
hs_5
sum_heuristic
[ 36, 44, 2, 7 ]
75
[ "36+44=80", "7-2=5", "80-5=75" ]
Current State: 75:[36, 44, 2, 7], Operations: [] Exploring Operation: 36+44=80, Resulting Numbers: [2, 7, 80] Generated Node #2: [2, 7, 80] from Operation: 36+44=80 Current State: 75:[2, 7, 80], Operations: ['36+44=80'] Exploring Operation: 7-2=5, Resulting Numbers: [80, 5] Generated Node #3: [80, 5] from Operation: 7-2=5 Current State: 75:[80, 5], Operations: ['36+44=80', '7-2=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[36, 44, 2, 7], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [2, 7, 8] Generated Node #0,0: 75:[2, 7, 8] Operation: 44-36=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[2, 7, 8], Operations: ['44-36=8'] Exploring Operation: 7+8=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 75:[2, 15] Operation: 7+8=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[2, 15], Operations: ['44-36=8', '7+8=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 45, 28, 38, 59 ]
22
[ "45*28=1260", "38+1260=1298", "1298/59=22" ]
Current State: 22:[45, 28, 38, 59], Operations: [] Exploring Operation: 45*28=1260, Resulting Numbers: [38, 59, 1260] Generated Node #2: [38, 59, 1260] from Operation: 45*28=1260 Current State: 22:[38, 59, 1260], Operations: ['45*28=1260'] Exploring Operation: 38+1260=1298, Resulting Numbers: [59, 1298] Generated Node #3: [59, 1298] from Operation: 38+1260=1298 Current State: 22:[59, 1298], Operations: ['45*28=1260', '38+1260=1298'] Exploring Operation: 1298/59=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 28, 38, 59], Operations: [] Exploring Operation: 59-38=21, Resulting Numbers: [45, 28, 21] Generated Node #0,0: 22:[45, 28, 21] Operation: 59-38=21 Exploring Operation: 59-45=14, Resulting Numbers: [28, 38, 14] Generated Node #0,1: 22:[28, 38, 14] Operation: 59-45=14 Exploring Operation: 45-38=7, Resulting Numbers: [28, 59, 7] Generated Node #0,2: 22:[28, 59, 7] Operation: 45-38=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[28, 38, 14], Operations: ['59-45=14'] Exploring Operation: 28/14=2, Resulting Numbers: [38, 2] Generated Node #0,1,0: 22:[38, 2] Operation: 28/14=2 Exploring Operation: 38-14=24, Resulting Numbers: [28, 24] Generated Node #0,1,1: 22:[28, 24] Operation: 38-14=24 Exploring Operation: 38-28=10, Resulting Numbers: [14, 10] Generated Node #0,1,2: 22:[14, 10] Operation: 38-28=10 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[14, 10], Operations: ['59-45=14', '38-28=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,22 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[28, 24], Operations: ['59-45=14', '38-14=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,22 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[38, 2], Operations: ['59-45=14', '28/14=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[45, 28, 21], Operations: ['59-38=21'] Exploring Operation: 45-21=24, Resulting Numbers: [28, 24] Generated Node #0,0,0: 22:[28, 24] Operation: 45-21=24 Exploring Operation: 28-21=7, Resulting Numbers: [45, 7] Generated Node #0,0,1: 22:[45, 7] Operation: 28-21=7 Exploring Operation: 45-28=17, Resulting Numbers: [21, 17] Generated Node #0,0,2: 22:[21, 17] Operation: 45-28=17 Moving to Node #0,0,2 Current State: 22:[21, 17], Operations: ['59-38=21', '45-28=17'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[28, 24], Operations: ['59-38=21', '45-21=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,22 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[45, 7], Operations: ['59-38=21', '28-21=7'] Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,22 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[28, 59, 7], Operations: ['45-38=7'] Exploring Operation: 28-7=21, Resulting Numbers: [59, 21] Generated Node #0,2,0: 22:[59, 21] Operation: 28-7=21 Exploring Operation: 59-28=31, Resulting Numbers: [7, 31] Generated Node #0,2,1: 22:[7, 31] Operation: 59-28=31 Exploring Operation: 59-7=52, Resulting Numbers: [28, 52] Generated Node #0,2,2: 22:[28, 52] Operation: 59-7=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[7, 31], Operations: ['45-38=7', '59-28=31'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,22 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,22 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[28, 52], Operations: ['45-38=7', '59-7=52'] Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,22 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,22 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[59, 21], Operations: ['45-38=7', '28-7=21'] Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,22 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 11, 13, 28, 45 ]
31
[ "13-11=2", "28/2=14", "45-14=31" ]
Current State: 31:[11, 13, 28, 45], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [28, 45, 2] Generated Node #2: [28, 45, 2] from Operation: 13-11=2 Current State: 31:[28, 45, 2], Operations: ['13-11=2'] Exploring Operation: 28/2=14, Resulting Numbers: [45, 14] Generated Node #3: [45, 14] from Operation: 28/2=14 Current State: 31:[45, 14], Operations: ['13-11=2', '28/2=14'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[11, 13, 28, 45], Operations: [] Exploring Operation: 45-11=34, Resulting Numbers: [13, 28, 34] Generated Node #0,0: 31:[13, 28, 34] Operation: 45-11=34 Exploring Operation: 45-13=32, Resulting Numbers: [11, 28, 32] Generated Node #0,1: 31:[11, 28, 32] Operation: 45-13=32 Exploring Operation: 11+13=24, Resulting Numbers: [28, 45, 24] Generated Node #0,2: 31:[28, 45, 24] Operation: 11+13=24 Moving to Node #0,0 Current State: 31:[13, 28, 34], Operations: ['45-11=34'] Exploring Operation: 34-13=21, Resulting Numbers: [28, 21] Generated Node #0,0,0: 31:[28, 21] Operation: 34-13=21 Exploring Operation: 28-13=15, Resulting Numbers: [34, 15] Generated Node #0,0,1: 31:[34, 15] Operation: 28-13=15 Exploring Operation: 13+28=41, Resulting Numbers: [34, 41] Generated Node #0,0,2: 31:[34, 41] Operation: 13+28=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[28, 21], Operations: ['45-11=34', '34-13=21'] Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,31 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,31 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 #0,0,2 Current State: 31:[34, 41], Operations: ['45-11=34', '13+28=41'] Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,31 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,31 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 #0,0,1 Current State: 31:[34, 15], Operations: ['45-11=34', '28-13=15'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,31 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: 31:[11, 28, 32], Operations: ['45-13=32'] Exploring Operation: 11+28=39, Resulting Numbers: [32, 39] Generated Node #0,1,0: 31:[32, 39] Operation: 11+28=39 Exploring Operation: 32-11=21, Resulting Numbers: [28, 21] Generated Node #0,1,1: 31:[28, 21] Operation: 32-11=21 Exploring Operation: 28-11=17, Resulting Numbers: [32, 17] Generated Node #0,1,2: 31:[32, 17] Operation: 28-11=17 Moving to Node #0,2 Current State: 31:[28, 45, 24], Operations: ['11+13=24'] Exploring Operation: 45-24=21, Resulting Numbers: [28, 21] Generated Node #0,2,0: 31:[28, 21] Operation: 45-24=21 Exploring Operation: 28+24=52, Resulting Numbers: [45, 52] Generated Node #0,2,1: 31:[45, 52] Operation: 28+24=52 Exploring Operation: 45-28=17, Resulting Numbers: [24, 17] Generated Node #0,2,2: 31:[24, 17] Operation: 45-28=17 Moving to Node #0,1,0 Current State: 31:[32, 39], Operations: ['45-13=32', '11+28=39'] Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,31 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[28, 21], Operations: ['45-13=32', '32-11=21'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,31 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[28, 21], Operations: ['11+13=24', '45-24=21'] Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,31 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[32, 17], Operations: ['45-13=32', '28-11=17'] Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,31 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[24, 17], Operations: ['11+13=24', '45-28=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,31 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[45, 52], Operations: ['11+13=24', '28+24=52'] Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 45+52=97, Resulting Numbers: [97] 97,31 unequal: No Solution Exploring Operation: 45*52=2340, Resulting Numbers: [2340] 2340,31 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 27, 16, 24, 62 ]
44
[ "27*16=432", "432/24=18", "62-18=44" ]
Current State: 44:[27, 16, 24, 62], Operations: [] Exploring Operation: 27*16=432, Resulting Numbers: [24, 62, 432] Generated Node #2: [24, 62, 432] from Operation: 27*16=432 Current State: 44:[24, 62, 432], Operations: ['27*16=432'] Exploring Operation: 432/24=18, Resulting Numbers: [62, 18] Generated Node #3: [62, 18] from Operation: 432/24=18 Current State: 44:[62, 18], Operations: ['27*16=432', '432/24=18'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[27, 16, 24, 62], Operations: [] Exploring Operation: 62-16=46, Resulting Numbers: [27, 24, 46] Generated Node #0,0: 44:[27, 24, 46] Operation: 62-16=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[27, 24, 46], Operations: ['62-16=46'] Exploring Operation: 27-24=3, Resulting Numbers: [46, 3] Generated Node #0,0,0: 44:[46, 3] Operation: 27-24=3 Moving to Node #0,0,0 Current State: 44:[46, 3], Operations: ['62-16=46', '27-24=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,44 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
[ 48, 16, 96, 55 ]
78
[ "96/48=2", "55-16=39", "2*39=78" ]
Current State: 78:[48, 16, 96, 55], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [16, 55, 2] Generated Node #2: [16, 55, 2] from Operation: 96/48=2 Current State: 78:[16, 55, 2], Operations: ['96/48=2'] Exploring Operation: 55-16=39, Resulting Numbers: [2, 39] Generated Node #3: [2, 39] from Operation: 55-16=39 Current State: 78:[2, 39], Operations: ['96/48=2', '55-16=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[48, 16, 96, 55], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [48, 16, 41] Generated Node #0,0: 78:[48, 16, 41] Operation: 96-55=41 Exploring Operation: 96/48=2, Resulting Numbers: [16, 55, 2] Generated Node #0,1: 78:[16, 55, 2] Operation: 96/48=2 Moving to Node #0,0 Current State: 78:[48, 16, 41], Operations: ['96-55=41'] Exploring Operation: 48/16=3, Resulting Numbers: [41, 3] Generated Node #0,0,0: 78:[41, 3] Operation: 48/16=3 Exploring Operation: 48-41=7, Resulting Numbers: [16, 7] Generated Node #0,0,1: 78:[16, 7] Operation: 48-41=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[41, 3], Operations: ['96-55=41', '48/16=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[16, 7], Operations: ['96-55=41', '48-41=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,78 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: 78:[16, 55, 2], Operations: ['96/48=2'] Exploring Operation: 55-16=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 78:[2, 39] Operation: 55-16=39 Exploring Operation: 16+55=71, Resulting Numbers: [2, 71] Generated Node #0,1,1: 78:[2, 71] Operation: 16+55=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[2, 39], Operations: ['96/48=2', '55-16=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[48, 16, 96, 55], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [16, 55, 2] Generated Node #0,1: 78:[16, 55, 2] Operation: 96/48=2 Moving to Node #0,1 Current State: 78:[16, 55, 2], Operations: ['96/48=2'] Exploring Operation: 55-16=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 78:[2, 39] Operation: 55-16=39 Moving to Node #0,1,0 Current State: 78:[2, 39], Operations: ['96/48=2', '55-16=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 22, 43, 8, 70 ]
63
[ "22*8=176", "43+70=113", "176-113=63" ]
Current State: 63:[22, 43, 8, 70], Operations: [] Exploring Operation: 22*8=176, Resulting Numbers: [43, 70, 176] Generated Node #2: [43, 70, 176] from Operation: 22*8=176 Current State: 63:[43, 70, 176], Operations: ['22*8=176'] Exploring Operation: 43+70=113, Resulting Numbers: [176, 113] Generated Node #3: [176, 113] from Operation: 43+70=113 Current State: 63:[176, 113], Operations: ['22*8=176', '43+70=113'] Exploring Operation: 176-113=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[22, 43, 8, 70], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [22, 70, 51] Generated Node #0,0: 63:[22, 70, 51] Operation: 43+8=51 Exploring Operation: 70-43=27, Resulting Numbers: [22, 8, 27] Generated Node #0,1: 63:[22, 8, 27] Operation: 70-43=27 Exploring Operation: 43-22=21, Resulting Numbers: [8, 70, 21] Generated Node #0,2: 63:[8, 70, 21] Operation: 43-22=21 Exploring Operation: 22+43=65, Resulting Numbers: [8, 70, 65] Generated Node #0,3: 63:[8, 70, 65] Operation: 22+43=65 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[22, 8, 27], Operations: ['70-43=27'] Exploring Operation: 27-8=19, Resulting Numbers: [22, 19] Generated Node #0,1,0: 63:[22, 19] Operation: 27-8=19 Exploring Operation: 22+8=30, Resulting Numbers: [27, 30] Generated Node #0,1,1: 63:[27, 30] Operation: 22+8=30 Exploring Operation: 27-22=5, Resulting Numbers: [8, 5] Generated Node #0,1,2: 63:[8, 5] Operation: 27-22=5 Exploring Operation: 22-8=14, Resulting Numbers: [27, 14] Generated Node #0,1,3: 63:[27, 14] Operation: 22-8=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[22, 19], Operations: ['70-43=27', '27-8=19'] Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,63 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,63 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,63 unequal: No Solution No 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: 63:[8, 5], Operations: ['70-43=27', '27-22=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,63 unequal: No Solution No 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: 63:[27, 14], Operations: ['70-43=27', '22-8=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,63 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,63 unequal: No Solution No 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: 63:[27, 30], Operations: ['70-43=27', '22+8=30'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,63 unequal: No Solution Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,63 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: 63:[8, 70, 21], Operations: ['43-22=21'] Exploring Operation: 8+70=78, Resulting Numbers: [21, 78] Generated Node #0,2,0: 63:[21, 78] Operation: 8+70=78 Exploring Operation: 8+21=29, Resulting Numbers: [70, 29] Generated Node #0,2,1: 63:[70, 29] Operation: 8+21=29 Exploring Operation: 21-8=13, Resulting Numbers: [70, 13] Generated Node #0,2,2: 63:[70, 13] Operation: 21-8=13 Exploring Operation: 70-8=62, Resulting Numbers: [21, 62] Generated Node #0,2,3: 63:[21, 62] Operation: 70-8=62 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 63:[21, 62], Operations: ['43-22=21', '70-8=62'] Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,63 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,63 unequal: No Solution No 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: 63:[70, 13], Operations: ['43-22=21', '21-8=13'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,63 unequal: No Solution Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,63 unequal: No Solution No 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: 63:[21, 78], Operations: ['43-22=21', '8+70=78'] Exploring Operation: 21+78=99, Resulting Numbers: [99] 99,63 unequal: No Solution Exploring Operation: 21*78=1638, Resulting Numbers: [1638] 1638,63 unequal: No Solution Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,63 unequal: No Solution No 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: 63:[70, 29], Operations: ['43-22=21', '8+21=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,63 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,63 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,63 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: 63:[8, 70, 65], Operations: ['22+43=65'] Exploring Operation: 70-65=5, Resulting Numbers: [8, 5] Generated Node #0,3,0: 63:[8, 5] Operation: 70-65=5 Exploring Operation: 8+70=78, Resulting Numbers: [65, 78] Generated Node #0,3,1: 63:[65, 78] Operation: 8+70=78 Exploring Operation: 65-8=57, Resulting Numbers: [70, 57] Generated Node #0,3,2: 63:[70, 57] Operation: 65-8=57 Exploring Operation: 70-8=62, Resulting Numbers: [65, 62] Generated Node #0,3,3: 63:[65, 62] Operation: 70-8=62 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 63:[8, 5], Operations: ['22+43=65', '70-65=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,63 unequal: No Solution No 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: 63:[65, 62], Operations: ['22+43=65', '70-8=62'] Exploring Operation: 65*62=4030, Resulting Numbers: [4030] 4030,63 unequal: No Solution Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 65+62=127, Resulting Numbers: [127] 127,63 unequal: No Solution No 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: 63:[70, 57], Operations: ['22+43=65', '65-8=57'] Exploring Operation: 70*57=3990, Resulting Numbers: [3990] 3990,63 unequal: No Solution Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 70+57=127, Resulting Numbers: [127] 127,63 unequal: No Solution No 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: 63:[65, 78], Operations: ['22+43=65', '8+70=78'] Exploring Operation: 65+78=143, Resulting Numbers: [143] 143,63 unequal: No Solution Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 65*78=5070, Resulting Numbers: [5070] 5070,63 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: 63:[22, 70, 51], Operations: ['43+8=51'] Exploring Operation: 51-22=29, Resulting Numbers: [70, 29] Generated Node #0,0,0: 63:[70, 29] Operation: 51-22=29 Exploring Operation: 70-51=19, Resulting Numbers: [22, 19] Generated Node #0,0,1: 63:[22, 19] Operation: 70-51=19 Exploring Operation: 70-22=48, Resulting Numbers: [51, 48] Generated Node #0,0,2: 63:[51, 48] Operation: 70-22=48 Exploring Operation: 22+51=73, Resulting Numbers: [70, 73] Generated Node #0,0,3: 63:[70, 73] Operation: 22+51=73 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[22, 19], Operations: ['43+8=51', '70-51=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,63 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,63 unequal: No Solution No 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: 63:[70, 29], Operations: ['43+8=51', '51-22=29'] Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,63 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,63 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,63 unequal: No Solution No 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: 63:[70, 73], Operations: ['43+8=51', '22+51=73'] Exploring Operation: 70+73=143, Resulting Numbers: [143] 143,63 unequal: No Solution Exploring Operation: 70*73=5110, Resulting Numbers: [5110] 5110,63 unequal: No Solution Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,63 unequal: No Solution No 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: 63:[51, 48], Operations: ['43+8=51', '70-22=48'] Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,63 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,63 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 69, 67, 52, 34 ]
13
[ "69+67=136", "52*34=1768", "1768/136=13" ]
Current State: 13:[69, 67, 52, 34], Operations: [] Exploring Operation: 69+67=136, Resulting Numbers: [52, 34, 136] Generated Node #2: [52, 34, 136] from Operation: 69+67=136 Current State: 13:[52, 34, 136], Operations: ['69+67=136'] Exploring Operation: 52*34=1768, Resulting Numbers: [136, 1768] Generated Node #3: [136, 1768] from Operation: 52*34=1768 Current State: 13:[136, 1768], Operations: ['69+67=136', '52*34=1768'] Exploring Operation: 1768/136=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[69, 67, 52, 34], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [67, 34, 17] Generated Node #0,0: 13:[67, 34, 17] Operation: 69-52=17 Exploring Operation: 67-52=15, Resulting Numbers: [69, 34, 15] Generated Node #0,1: 13:[69, 34, 15] Operation: 67-52=15 Exploring Operation: 69-67=2, Resulting Numbers: [52, 34, 2] Generated Node #0,2: 13:[52, 34, 2] Operation: 69-67=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[52, 34, 2], Operations: ['69-67=2'] Exploring Operation: 52-34=18, Resulting Numbers: [2, 18] Generated Node #0,2,0: 13:[2, 18] Operation: 52-34=18 Exploring Operation: 34/2=17, Resulting Numbers: [52, 17] Generated Node #0,2,1: 13:[52, 17] Operation: 34/2=17 Exploring Operation: 52/2=26, Resulting Numbers: [34, 26] Generated Node #0,2,2: 13:[34, 26] Operation: 52/2=26 Moving to Node #0,2,0 Current State: 13:[2, 18], Operations: ['69-67=2', '52-34=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[34, 26], Operations: ['69-67=2', '52/2=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,13 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[52, 17], Operations: ['69-67=2', '34/2=17'] Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,13 unequal: No Solution Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,13 unequal: No Solution No 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: 13:[67, 34, 17], Operations: ['69-52=17'] Exploring Operation: 67-34=33, Resulting Numbers: [17, 33] Generated Node #0,0,0: 13:[17, 33] Operation: 67-34=33 Exploring Operation: 34-17=17, Resulting Numbers: [67, 17] Generated Node #0,0,1: 13:[67, 17] Operation: 34-17=17 Exploring Operation: 67-17=50, Resulting Numbers: [34, 50] Generated Node #0,0,2: 13:[34, 50] Operation: 67-17=50 Moving to Node #0,0,0 Current State: 13:[17, 33], Operations: ['69-52=17', '67-34=33'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,13 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[67, 17], Operations: ['69-52=17', '34-17=17'] Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,13 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[34, 50], Operations: ['69-52=17', '67-17=50'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,13 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,13 unequal: No Solution No 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: 13:[69, 34, 15], Operations: ['67-52=15'] Exploring Operation: 34-15=19, Resulting Numbers: [69, 19] Generated Node #0,1,0: 13:[69, 19] Operation: 34-15=19 Exploring Operation: 69-34=35, Resulting Numbers: [15, 35] Generated Node #0,1,1: 13:[15, 35] Operation: 69-34=35 Exploring Operation: 69-15=54, Resulting Numbers: [34, 54] Generated Node #0,1,2: 13:[34, 54] Operation: 69-15=54 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[15, 35], Operations: ['67-52=15', '69-34=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,13 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,13 unequal: No Solution No 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: 13:[69, 19], Operations: ['67-52=15', '34-15=19'] Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,13 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,13 unequal: No Solution No 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: 13:[34, 54], Operations: ['67-52=15', '69-15=54'] Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,13 unequal: No Solution Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,13 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
[ 9, 92, 74, 53 ]
44
[ "92-9=83", "74+53=127", "127-83=44" ]
Current State: 44:[9, 92, 74, 53], Operations: [] Exploring Operation: 92-9=83, Resulting Numbers: [74, 53, 83] Generated Node #2: [74, 53, 83] from Operation: 92-9=83 Current State: 44:[74, 53, 83], Operations: ['92-9=83'] Exploring Operation: 74+53=127, Resulting Numbers: [83, 127] Generated Node #3: [83, 127] from Operation: 74+53=127 Current State: 44:[83, 127], Operations: ['92-9=83', '74+53=127'] Exploring Operation: 127-83=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[9, 92, 74, 53], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [9, 53, 18] Generated Node #0,0: 44:[9, 53, 18] Operation: 92-74=18 Moving to Node #0,0 Current State: 44:[9, 53, 18], Operations: ['92-74=18'] Exploring Operation: 53-9=44, Resulting Numbers: [18, 44] Generated Node #0,0,0: 44:[18, 44] Operation: 53-9=44 Moving to Node #0,0,0 Current State: 44:[18, 44], Operations: ['92-74=18', '53-9=44'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,44 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 62, 31, 98 ]
64
[ "69+62=131", "98-31=67", "131-67=64" ]
Current State: 64:[69, 62, 31, 98], Operations: [] Exploring Operation: 69+62=131, Resulting Numbers: [31, 98, 131] Generated Node #2: [31, 98, 131] from Operation: 69+62=131 Current State: 64:[31, 98, 131], Operations: ['69+62=131'] Exploring Operation: 98-31=67, Resulting Numbers: [131, 67] Generated Node #3: [131, 67] from Operation: 98-31=67 Current State: 64:[131, 67], Operations: ['69+62=131', '98-31=67'] Exploring Operation: 131-67=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[69, 62, 31, 98], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [62, 31, 29] Generated Node #0,0: 64:[62, 31, 29] Operation: 98-69=29 Exploring Operation: 69-62=7, Resulting Numbers: [31, 98, 7] Generated Node #0,1: 64:[31, 98, 7] Operation: 69-62=7 Exploring Operation: 98-31=67, Resulting Numbers: [69, 62, 67] Generated Node #0,2: 64:[69, 62, 67] Operation: 98-31=67 Exploring Operation: 98-62=36, Resulting Numbers: [69, 31, 36] Generated Node #0,3: 64:[69, 31, 36] Operation: 98-62=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[62, 31, 29], Operations: ['98-69=29'] Exploring Operation: 62-29=33, Resulting Numbers: [31, 33] Generated Node #0,0,0: 64:[31, 33] Operation: 62-29=33 Exploring Operation: 31-29=2, Resulting Numbers: [62, 2] Generated Node #0,0,1: 64:[62, 2] Operation: 31-29=2 Exploring Operation: 62-31=31, Resulting Numbers: [29, 31] Generated Node #0,0,2: 64:[29, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [29, 2] Generated Node #0,0,3: 64:[29, 2] Operation: 62/31=2 Moving to Node #0,0,0 Current State: 64:[31, 33], Operations: ['98-69=29', '62-29=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[69, 62, 31, 98], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [62, 31, 29] Generated Node #0,0: 64:[62, 31, 29] Operation: 98-69=29 Moving to Node #0,0 Current State: 64:[62, 31, 29], Operations: ['98-69=29'] Exploring Operation: 62-29=33, Resulting Numbers: [31, 33] Generated Node #0,0,0: 64:[31, 33] Operation: 62-29=33 Moving to Node #0,0,0 Current State: 64:[31, 33], Operations: ['98-69=29', '62-29=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 8, 92, 7, 33 ]
45
[ "92-8=84", "84/7=12", "33+12=45" ]
Current State: 45:[8, 92, 7, 33], Operations: [] Exploring Operation: 92-8=84, Resulting Numbers: [7, 33, 84] Generated Node #2: [7, 33, 84] from Operation: 92-8=84 Current State: 45:[7, 33, 84], Operations: ['92-8=84'] Exploring Operation: 84/7=12, Resulting Numbers: [33, 12] Generated Node #3: [33, 12] from Operation: 84/7=12 Current State: 45:[33, 12], Operations: ['92-8=84', '84/7=12'] Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[8, 92, 7, 33], Operations: [] Exploring Operation: 92-8=84, Resulting Numbers: [7, 33, 84] Generated Node #0,0: 45:[7, 33, 84] Operation: 92-8=84 Exploring Operation: 92-33=59, Resulting Numbers: [8, 7, 59] Generated Node #0,1: 45:[8, 7, 59] Operation: 92-33=59 Moving to Node #0,1 Current State: 45:[8, 7, 59], Operations: ['92-33=59'] Exploring Operation: 59-7=52, Resulting Numbers: [8, 52] Generated Node #0,1,0: 45:[8, 52] Operation: 59-7=52 Exploring Operation: 59-8=51, Resulting Numbers: [7, 51] Generated Node #0,1,1: 45:[7, 51] Operation: 59-8=51 Moving to Node #0,0 Current State: 45:[7, 33, 84], Operations: ['92-8=84'] Exploring Operation: 84-33=51, Resulting Numbers: [7, 51] Generated Node #0,0,0: 45:[7, 51] Operation: 84-33=51 Exploring Operation: 84/7=12, Resulting Numbers: [33, 12] Generated Node #0,0,1: 45:[33, 12] Operation: 84/7=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[7, 51], Operations: ['92-8=84', '84-33=51'] Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,45 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[33, 12], Operations: ['92-8=84', '84/7=12'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[8, 92, 7, 33], Operations: [] Exploring Operation: 92-8=84, Resulting Numbers: [7, 33, 84] Generated Node #0,0: 45:[7, 33, 84] Operation: 92-8=84 Moving to Node #0,0 Current State: 45:[7, 33, 84], Operations: ['92-8=84'] Exploring Operation: 84/7=12, Resulting Numbers: [33, 12] Generated Node #0,0,1: 45:[33, 12] Operation: 84/7=12 Moving to Node #0,0,1 Current State: 45:[33, 12], Operations: ['92-8=84', '84/7=12'] Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 42, 90, 96, 46 ]
48
[ "90-42=48", "96/48=2", "46+2=48" ]
Current State: 48:[42, 90, 96, 46], Operations: [] Exploring Operation: 90-42=48, Resulting Numbers: [96, 46, 48] Generated Node #2: [96, 46, 48] from Operation: 90-42=48 Current State: 48:[96, 46, 48], Operations: ['90-42=48'] Exploring Operation: 96/48=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 96/48=2 Current State: 48:[46, 2], Operations: ['90-42=48', '96/48=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[42, 90, 96, 46], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [42, 46, 6] Generated Node #0,0: 48:[42, 46, 6] Operation: 96-90=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[42, 46, 6], Operations: ['96-90=6'] Exploring Operation: 46-42=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 48:[6, 4] Operation: 46-42=4 Moving to Node #0,0,0 Current State: 48:[6, 4], Operations: ['96-90=6', '46-42=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 31, 52, 5, 7 ]
73
[ "7-5=2", "52*2=104", "104-31=73" ]
Current State: 73:[31, 52, 5, 7], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [31, 52, 2] Generated Node #2: [31, 52, 2] from Operation: 7-5=2 Current State: 73:[31, 52, 2], Operations: ['7-5=2'] Exploring Operation: 52*2=104, Resulting Numbers: [31, 104] Generated Node #3: [31, 104] from Operation: 52*2=104 Current State: 73:[31, 104], Operations: ['7-5=2', '52*2=104'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[31, 52, 5, 7], Operations: [] Exploring Operation: 31+7=38, Resulting Numbers: [52, 5, 38] Generated Node #0,0: 73:[52, 5, 38] Operation: 31+7=38 Exploring Operation: 5*7=35, Resulting Numbers: [31, 52, 35] Generated Node #0,1: 73:[31, 52, 35] Operation: 5*7=35 Exploring Operation: 31+5=36, Resulting Numbers: [52, 7, 36] Generated Node #0,2: 73:[52, 7, 36] Operation: 31+5=36 Exploring Operation: 52+7=59, Resulting Numbers: [31, 5, 59] Generated Node #0,3: 73:[31, 5, 59] Operation: 52+7=59 Exploring Operation: 52+5=57, Resulting Numbers: [31, 7, 57] Generated Node #0,4: 73:[31, 7, 57] Operation: 52+5=57 Moving to Node #0,1 Current State: 73:[31, 52, 35], Operations: ['5*7=35'] Exploring Operation: 52+35=87, Resulting Numbers: [31, 87] Generated Node #0,1,0: 73:[31, 87] Operation: 52+35=87 Exploring Operation: 52-31=21, Resulting Numbers: [35, 21] Generated Node #0,1,1: 73:[35, 21] Operation: 52-31=21 Exploring Operation: 35-31=4, Resulting Numbers: [52, 4] Generated Node #0,1,2: 73:[52, 4] Operation: 35-31=4 Exploring Operation: 31+35=66, Resulting Numbers: [52, 66] Generated Node #0,1,3: 73:[52, 66] Operation: 31+35=66 Exploring Operation: 31+52=83, Resulting Numbers: [35, 83] Generated Node #0,1,4: 73:[35, 83] Operation: 31+52=83 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[52, 66], Operations: ['5*7=35', '31+35=66'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,73 unequal: No Solution No 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: 73:[35, 83], Operations: ['5*7=35', '31+52=83'] Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 35*83=2905, Resulting Numbers: [2905] 2905,73 unequal: No Solution Exploring Operation: 35+83=118, Resulting Numbers: [118] 118,73 unequal: No Solution No 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: 73:[31, 87], Operations: ['5*7=35', '52+35=87'] Exploring Operation: 31*87=2697, Resulting Numbers: [2697] 2697,73 unequal: No Solution Exploring Operation: 31+87=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,73 unequal: No Solution No 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: 73:[35, 21], Operations: ['5*7=35', '52-31=21'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 35*21=735, Resulting Numbers: [735] 735,73 unequal: No Solution Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,73 unequal: No Solution No 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: 73:[52, 4], Operations: ['5*7=35', '35-31=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,73 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,73 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: 73:[52, 7, 36], Operations: ['31+5=36'] Exploring Operation: 52-7=45, Resulting Numbers: [36, 45] Generated Node #0,2,0: 73:[36, 45] Operation: 52-7=45 Exploring Operation: 36-7=29, Resulting Numbers: [52, 29] Generated Node #0,2,1: 73:[52, 29] Operation: 36-7=29 Exploring Operation: 52+7=59, Resulting Numbers: [36, 59] Generated Node #0,2,2: 73:[36, 59] Operation: 52+7=59 Exploring Operation: 7+36=43, Resulting Numbers: [52, 43] Generated Node #0,2,3: 73:[52, 43] Operation: 7+36=43 Exploring Operation: 52+36=88, Resulting Numbers: [7, 88] Generated Node #0,2,4: 73:[7, 88] Operation: 52+36=88 Moving to Node #0,4 Current State: 73:[31, 7, 57], Operations: ['52+5=57'] Exploring Operation: 57-7=50, Resulting Numbers: [31, 50] Generated Node #0,4,0: 73:[31, 50] Operation: 57-7=50 Exploring Operation: 31+7=38, Resulting Numbers: [57, 38] Generated Node #0,4,1: 73:[57, 38] Operation: 31+7=38 Exploring Operation: 31+57=88, Resulting Numbers: [7, 88] Generated Node #0,4,2: 73:[7, 88] Operation: 31+57=88 Exploring Operation: 7+57=64, Resulting Numbers: [31, 64] Generated Node #0,4,3: 73:[31, 64] Operation: 7+57=64 Exploring Operation: 31-7=24, Resulting Numbers: [57, 24] Generated Node #0,4,4: 73:[57, 24] Operation: 31-7=24 Moving to Node #0,0 Current State: 73:[52, 5, 38], Operations: ['31+7=38'] Exploring Operation: 5+38=43, Resulting Numbers: [52, 43] Generated Node #0,0,0: 73:[52, 43] Operation: 5+38=43 Exploring Operation: 52+5=57, Resulting Numbers: [38, 57] Generated Node #0,0,1: 73:[38, 57] Operation: 52+5=57 Exploring Operation: 38-5=33, Resulting Numbers: [52, 33] Generated Node #0,0,2: 73:[52, 33] Operation: 38-5=33 Exploring Operation: 52-5=47, Resulting Numbers: [38, 47] Generated Node #0,0,3: 73:[38, 47] Operation: 52-5=47 Exploring Operation: 52+38=90, Resulting Numbers: [5, 90] Generated Node #0,0,4: 73:[5, 90] Operation: 52+38=90 Moving to Node #0,3 Current State: 73:[31, 5, 59], Operations: ['52+7=59'] Exploring Operation: 59-5=54, Resulting Numbers: [31, 54] Generated Node #0,3,0: 73:[31, 54] Operation: 59-5=54 Exploring Operation: 5+59=64, Resulting Numbers: [31, 64] Generated Node #0,3,1: 73:[31, 64] Operation: 5+59=64 Exploring Operation: 31-5=26, Resulting Numbers: [59, 26] Generated Node #0,3,2: 73:[59, 26] Operation: 31-5=26 Exploring Operation: 31+59=90, Resulting Numbers: [5, 90] Generated Node #0,3,3: 73:[5, 90] Operation: 31+59=90 Exploring Operation: 31+5=36, Resulting Numbers: [59, 36] Generated Node #0,3,4: 73:[59, 36] Operation: 31+5=36 Moving to Node #0,2,2 Current State: 73:[36, 59], Operations: ['31+5=36', '52+7=59'] Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,73 unequal: No Solution Moving to Node #0,4,1 Current State: 73:[57, 38], Operations: ['52+5=57', '31+7=38'] Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,73 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,73 unequal: No Solution Moving to Node #0,4,3 Current State: 73:[31, 64], Operations: ['52+5=57', '7+57=64'] Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,73 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[38, 57], Operations: ['31+7=38', '52+5=57'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 38*57=2166, Resulting Numbers: [2166] 2166,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[52, 43], Operations: ['31+5=36', '7+36=43'] Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,73 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[52, 43], Operations: ['31+7=38', '5+38=43'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,73 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,73 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[31, 64], Operations: ['52+7=59', '5+59=64'] Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,73 unequal: No Solution Moving to Node #0,3,4 Current State: 73:[59, 36], Operations: ['52+7=59', '31+5=36'] Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[38, 47], Operations: ['31+7=38', '52-5=47'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,73 unequal: No Solution Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[52, 33], Operations: ['31+7=38', '38-5=33'] Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 52*33=1716, Resulting Numbers: [1716] 1716,73 unequal: No Solution Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[59, 26], Operations: ['52+7=59', '31-5=26'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[31, 54], Operations: ['52+7=59', '59-5=54'] Exploring Operation: 31+54=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 31*54=1674, Resulting Numbers: [1674] 1674,73 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,73 unequal: No Solution Moving to Node #0,4,4 Current State: 73:[57, 24], Operations: ['52+5=57', '31-7=24'] Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[36, 45], Operations: ['31+5=36', '52-7=45'] Exploring Operation: 36*45=1620, Resulting Numbers: [1620] 1620,73 unequal: No Solution Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 45-36=9, Resulting Numbers: [9] 9,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[52, 29], Operations: ['31+5=36', '36-7=29'] Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,73 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,73 unequal: No Solution Moving to Node #0,4,0 Current State: 73:[31, 50], Operations: ['52+5=57', '57-7=50'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[7, 88], Operations: ['31+5=36', '52+36=88'] Exploring Operation: 7*88=616, Resulting Numbers: [616] 616,73 unequal: No Solution Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,73 unequal: No Solution Moving to Node #0,4,2 Current State: 73:[7, 88], Operations: ['52+5=57', '31+57=88'] Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 7*88=616, Resulting Numbers: [616] 616,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[5, 90], Operations: ['52+7=59', '31+59=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,73 unequal: No Solution Exploring Operation: 5*90=450, Resulting Numbers: [450] 450,73 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,73 unequal: No Solution Moving to Node #0,0,4 Current State: 73:[5, 90], Operations: ['31+7=38', '52+38=90'] Exploring Operation: 5*90=450, Resulting Numbers: [450] 450,73 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,73 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,73 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 20, 28, 23, 36 ]
25
[ "20+36=56", "56/28=2", "23+2=25" ]
Current State: 25:[20, 28, 23, 36], Operations: [] Exploring Operation: 20+36=56, Resulting Numbers: [28, 23, 56] Generated Node #2: [28, 23, 56] from Operation: 20+36=56 Current State: 25:[28, 23, 56], Operations: ['20+36=56'] Exploring Operation: 56/28=2, Resulting Numbers: [23, 2] Generated Node #3: [23, 2] from Operation: 56/28=2 Current State: 25:[23, 2], Operations: ['20+36=56', '56/28=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[20, 28, 23, 36], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [28, 36, 3] Generated Node #0,0: 25:[28, 36, 3] Operation: 23-20=3 Exploring Operation: 36-28=8, Resulting Numbers: [20, 23, 8] Generated Node #0,1: 25:[20, 23, 8] Operation: 36-28=8 Exploring Operation: 36-20=16, Resulting Numbers: [28, 23, 16] Generated Node #0,2: 25:[28, 23, 16] Operation: 36-20=16 Exploring Operation: 28-20=8, Resulting Numbers: [23, 36, 8] Generated Node #0,3: 25:[23, 36, 8] Operation: 28-20=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[20, 23, 8], Operations: ['36-28=8'] Exploring Operation: 20-8=12, Resulting Numbers: [23, 12] Generated Node #0,1,0: 25:[23, 12] Operation: 20-8=12 Exploring Operation: 23+8=31, Resulting Numbers: [20, 31] Generated Node #0,1,1: 25:[20, 31] Operation: 23+8=31 Exploring Operation: 23-20=3, Resulting Numbers: [8, 3] Generated Node #0,1,2: 25:[8, 3] Operation: 23-20=3 Exploring Operation: 20+8=28, Resulting Numbers: [23, 28] Generated Node #0,1,3: 25:[23, 28] Operation: 20+8=28 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[8, 3], Operations: ['36-28=8', '23-20=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[23, 28], Operations: ['36-28=8', '20+8=28'] Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,25 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[23, 12], Operations: ['36-28=8', '20-8=12'] Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,25 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[20, 31], Operations: ['36-28=8', '23+8=31'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[28, 23, 16], Operations: ['36-20=16'] Exploring Operation: 23+16=39, Resulting Numbers: [28, 39] Generated Node #0,2,0: 25:[28, 39] Operation: 23+16=39 Exploring Operation: 28-23=5, Resulting Numbers: [16, 5] Generated Node #0,2,1: 25:[16, 5] Operation: 28-23=5 Exploring Operation: 28-16=12, Resulting Numbers: [23, 12] Generated Node #0,2,2: 25:[23, 12] Operation: 28-16=12 Exploring Operation: 23-16=7, Resulting Numbers: [28, 7] Generated Node #0,2,3: 25:[28, 7] Operation: 23-16=7 Moving to Node #0,2,3 Current State: 25:[28, 7], Operations: ['36-20=16', '23-16=7'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,25 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[23, 12], Operations: ['36-20=16', '28-16=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[16, 5], Operations: ['36-20=16', '28-23=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,25 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[28, 39], Operations: ['36-20=16', '23+16=39'] Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,25 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[28, 36, 3], Operations: ['23-20=3'] Exploring Operation: 28-3=25, Resulting Numbers: [36, 25] Generated Node #0,0,0: 25:[36, 25] Operation: 28-3=25 Exploring Operation: 36-3=33, Resulting Numbers: [28, 33] Generated Node #0,0,1: 25:[28, 33] Operation: 36-3=33 Exploring Operation: 36-28=8, Resulting Numbers: [3, 8] Generated Node #0,0,2: 25:[3, 8] Operation: 36-28=8 Exploring Operation: 36/3=12, Resulting Numbers: [28, 12] Generated Node #0,0,3: 25:[28, 12] Operation: 36/3=12 Moving to Node #0,0,2 Current State: 25:[3, 8], Operations: ['23-20=3', '36-28=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[28, 12], Operations: ['23-20=3', '36/3=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[28, 33], Operations: ['23-20=3', '36-3=33'] Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,25 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,25 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[36, 25], Operations: ['23-20=3', '28-3=25'] Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,25 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 36*25=900, Resulting Numbers: [900] 900,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[23, 36, 8], Operations: ['28-20=8'] Exploring Operation: 36-8=28, Resulting Numbers: [23, 28] Generated Node #0,3,0: 25:[23, 28] Operation: 36-8=28 Exploring Operation: 23-8=15, Resulting Numbers: [36, 15] Generated Node #0,3,1: 25:[36, 15] Operation: 23-8=15 Exploring Operation: 23+8=31, Resulting Numbers: [36, 31] Generated Node #0,3,2: 25:[36, 31] Operation: 23+8=31 Exploring Operation: 36-23=13, Resulting Numbers: [8, 13] Generated Node #0,3,3: 25:[8, 13] Operation: 36-23=13 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 25:[23, 28], Operations: ['28-20=8', '36-8=28'] Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,25 unequal: No Solution Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 25:[8, 13], Operations: ['28-20=8', '36-23=13'] Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[36, 31], Operations: ['28-20=8', '23+8=31'] Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,25 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 25:[36, 15], Operations: ['28-20=8', '23-8=15'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,25 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_4
mult_heuristic
[ 58, 7, 86, 93 ]
97
[ "86-58=28", "28/7=4", "93+4=97" ]
Current State: 97:[58, 7, 86, 93], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [7, 93, 28] Generated Node #2: [7, 93, 28] from Operation: 86-58=28 Current State: 97:[7, 93, 28], Operations: ['86-58=28'] Exploring Operation: 28/7=4, Resulting Numbers: [93, 4] Generated Node #3: [93, 4] from Operation: 28/7=4 Current State: 97:[93, 4], Operations: ['86-58=28', '28/7=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[58, 7, 86, 93], Operations: [] Exploring Operation: 7+93=100, Resulting Numbers: [58, 86, 100] Generated Node #0,0: 97:[58, 86, 100] Operation: 7+93=100 Exploring Operation: 7+86=93, Resulting Numbers: [58, 93, 93] Generated Node #0,1: 97:[58, 93, 93] Operation: 7+86=93 Exploring Operation: 58-7=51, Resulting Numbers: [86, 93, 51] Generated Node #0,2: 97:[86, 93, 51] Operation: 58-7=51 Exploring Operation: 58+7=65, Resulting Numbers: [86, 93, 65] Generated Node #0,3: 97:[86, 93, 65] Operation: 58+7=65 Moving to Node #0,1 Current State: 97:[58, 93, 93], Operations: ['7+86=93'] Exploring Operation: 58+93=151, Resulting Numbers: [93, 151] Generated Node #0,1,0: 97:[93, 151] Operation: 58+93=151 Exploring Operation: 58+93=151, Resulting Numbers: [93, 151] Generated Node #0,1,1: 97:[93, 151] Operation: 58+93=151 Exploring Operation: 93-58=35, Resulting Numbers: [93, 35] Generated Node #0,1,2: 97:[93, 35] Operation: 93-58=35 Exploring Operation: 93-58=35, Resulting Numbers: [93, 35] Generated Node #0,1,3: 97:[93, 35] Operation: 93-58=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[93, 151], Operations: ['7+86=93', '58+93=151'] Exploring Operation: 151-93=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93+151=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 93*151=14043, Resulting Numbers: [14043] 14043,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[93, 151], Operations: ['7+86=93', '58+93=151'] Exploring Operation: 93+151=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 151-93=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93*151=14043, Resulting Numbers: [14043] 14043,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[93, 35], Operations: ['7+86=93', '93-58=35'] Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,97 unequal: No Solution Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[93, 35], Operations: ['7+86=93', '93-58=35'] Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,97 unequal: No Solution Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,97 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: 97:[86, 93, 65], Operations: ['58+7=65'] Exploring Operation: 93-65=28, Resulting Numbers: [86, 28] Generated Node #0,3,0: 97:[86, 28] Operation: 93-65=28 Exploring Operation: 86-65=21, Resulting Numbers: [93, 21] Generated Node #0,3,1: 97:[93, 21] Operation: 86-65=21 Exploring Operation: 86+65=151, Resulting Numbers: [93, 151] Generated Node #0,3,2: 97:[93, 151] Operation: 86+65=151 Exploring Operation: 93+65=158, Resulting Numbers: [86, 158] Generated Node #0,3,3: 97:[86, 158] Operation: 93+65=158 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[93, 151], Operations: ['58+7=65', '86+65=151'] Exploring Operation: 151-93=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93+151=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 93*151=14043, Resulting Numbers: [14043] 14043,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[86, 158], Operations: ['58+7=65', '93+65=158'] Exploring Operation: 86+158=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 158-86=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 86*158=13588, Resulting Numbers: [13588] 13588,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[86, 28], Operations: ['58+7=65', '93-65=28'] Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,97 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[93, 21], Operations: ['58+7=65', '86-65=21'] Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,97 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 97:[58, 86, 100], Operations: ['7+93=100'] Exploring Operation: 100-58=42, Resulting Numbers: [86, 42] Generated Node #0,0,0: 97:[86, 42] Operation: 100-58=42 Exploring Operation: 58+86=144, Resulting Numbers: [100, 144] Generated Node #0,0,1: 97:[100, 144] Operation: 58+86=144 Exploring Operation: 86-58=28, Resulting Numbers: [100, 28] Generated Node #0,0,2: 97:[100, 28] Operation: 86-58=28 Exploring Operation: 58+100=158, Resulting Numbers: [86, 158] Generated Node #0,0,3: 97:[86, 158] Operation: 58+100=158 Moving to Node #0,2 Current State: 97:[86, 93, 51], Operations: ['58-7=51'] Exploring Operation: 93+51=144, Resulting Numbers: [86, 144] Generated Node #0,2,0: 97:[86, 144] Operation: 93+51=144 Exploring Operation: 86+51=137, Resulting Numbers: [93, 137] Generated Node #0,2,1: 97:[93, 137] Operation: 86+51=137 Exploring Operation: 86-51=35, Resulting Numbers: [93, 35] Generated Node #0,2,2: 97:[93, 35] Operation: 86-51=35 Exploring Operation: 93-51=42, Resulting Numbers: [86, 42] Generated Node #0,2,3: 97:[86, 42] Operation: 93-51=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[93, 137], Operations: ['58-7=51', '86+51=137'] Exploring Operation: 137-93=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 93*137=12741, Resulting Numbers: [12741] 12741,97 unequal: No Solution Exploring Operation: 93+137=230, Resulting Numbers: [230] 230,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[86, 144], Operations: ['58-7=51', '93+51=144'] Exploring Operation: 86*144=12384, Resulting Numbers: [12384] 12384,97 unequal: No Solution Exploring Operation: 86+144=230, Resulting Numbers: [230] 230,97 unequal: No Solution Exploring Operation: 144-86=58, Resulting Numbers: [58] 58,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[93, 35], Operations: ['58-7=51', '86-51=35'] Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,97 unequal: No Solution Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[86, 42], Operations: ['58-7=51', '93-51=42'] Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 86+42=128, Resulting Numbers: [128] 128,97 unequal: No Solution Exploring Operation: 86*42=3612, Resulting Numbers: [3612] 3612,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 97:[100, 144], Operations: ['7+93=100', '58+86=144'] Exploring Operation: 144-100=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 100*144=14400, Resulting Numbers: [14400] 14400,97 unequal: No Solution Exploring Operation: 100+144=244, Resulting Numbers: [244] 244,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[86, 42], Operations: ['7+93=100', '100-58=42'] Exploring Operation: 86*42=3612, Resulting Numbers: [3612] 3612,97 unequal: No Solution Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 86+42=128, Resulting Numbers: [128] 128,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[86, 158], Operations: ['7+93=100', '58+100=158'] Exploring Operation: 86+158=244, Resulting Numbers: [244] 244,97 unequal: No Solution Exploring Operation: 86*158=13588, Resulting Numbers: [13588] 13588,97 unequal: No Solution Exploring Operation: 158-86=72, Resulting Numbers: [72] 72,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[100, 28], Operations: ['7+93=100', '86-58=28'] Exploring Operation: 100+28=128, Resulting Numbers: [128] 128,97 unequal: No Solution Exploring Operation: 100*28=2800, Resulting Numbers: [2800] 2800,97 unequal: No Solution Exploring Operation: 100-28=72, Resulting Numbers: [72] 72,97 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 57, 88, 24, 75 ]
46
[ "57+88=145", "24+75=99", "145-99=46" ]
Current State: 46:[57, 88, 24, 75], Operations: [] Exploring Operation: 57+88=145, Resulting Numbers: [24, 75, 145] Generated Node #2: [24, 75, 145] from Operation: 57+88=145 Current State: 46:[24, 75, 145], Operations: ['57+88=145'] Exploring Operation: 24+75=99, Resulting Numbers: [145, 99] Generated Node #3: [145, 99] from Operation: 24+75=99 Current State: 46:[145, 99], Operations: ['57+88=145', '24+75=99'] Exploring Operation: 145-99=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[57, 88, 24, 75], Operations: [] Exploring Operation: 88-57=31, Resulting Numbers: [24, 75, 31] Generated Node #0,0: 46:[24, 75, 31] Operation: 88-57=31 Exploring Operation: 88-75=13, Resulting Numbers: [57, 24, 13] Generated Node #0,1: 46:[57, 24, 13] Operation: 88-75=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[57, 24, 13], Operations: ['88-75=13'] Exploring Operation: 57-24=33, Resulting Numbers: [13, 33] Generated Node #0,1,0: 46:[13, 33] Operation: 57-24=33 Exploring Operation: 57-13=44, Resulting Numbers: [24, 44] Generated Node #0,1,1: 46:[24, 44] Operation: 57-13=44 Moving to Node #0,1,1 Current State: 46:[24, 44], Operations: ['88-75=13', '57-13=44'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[13, 33], Operations: ['88-75=13', '57-24=33'] Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 13+33=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[57, 88, 24, 75], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [57, 24, 13] Generated Node #0,1: 46:[57, 24, 13] Operation: 88-75=13 Moving to Node #0,1 Current State: 46:[57, 24, 13], Operations: ['88-75=13'] Exploring Operation: 57-24=33, Resulting Numbers: [13, 33] Generated Node #0,1,0: 46:[13, 33] Operation: 57-24=33 Moving to Node #0,1,0 Current State: 46:[13, 33], Operations: ['88-75=13', '57-24=33'] Exploring Operation: 13+33=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 32, 7, 1, 30 ]
55
[ "32-7=25", "1*30=30", "25+30=55" ]
Current State: 55:[32, 7, 1, 30], Operations: [] Exploring Operation: 32-7=25, Resulting Numbers: [1, 30, 25] Generated Node #2: [1, 30, 25] from Operation: 32-7=25 Current State: 55:[1, 30, 25], Operations: ['32-7=25'] Exploring Operation: 1*30=30, Resulting Numbers: [25, 30] Generated Node #3: [25, 30] from Operation: 1*30=30 Current State: 55:[25, 30], Operations: ['32-7=25', '1*30=30'] Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[32, 7, 1, 30], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [7, 1, 2] Generated Node #0,0: 55:[7, 1, 2] Operation: 32-30=2 Exploring Operation: 32+30=62, Resulting Numbers: [7, 1, 62] Generated Node #0,1: 55:[7, 1, 62] Operation: 32+30=62 Exploring Operation: 32-7=25, Resulting Numbers: [1, 30, 25] Generated Node #0,2: 55:[1, 30, 25] Operation: 32-7=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[7, 1, 2], Operations: ['32-30=2'] Exploring Operation: 7-1=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 55:[2, 6] Operation: 7-1=6 Exploring Operation: 1+2=3, Resulting Numbers: [7, 3] Generated Node #0,0,1: 55:[7, 3] Operation: 1+2=3 Exploring Operation: 7-2=5, Resulting Numbers: [1, 5] Generated Node #0,0,2: 55:[1, 5] Operation: 7-2=5 Moving to Node #0,0,0 Current State: 55:[2, 6], Operations: ['32-30=2', '7-1=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[7, 3], Operations: ['32-30=2', '1+2=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[1, 5], Operations: ['32-30=2', '7-2=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,55 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 Current State: 55:[7, 1, 62], Operations: ['32+30=62'] Exploring Operation: 62-1=61, Resulting Numbers: [7, 61] Generated Node #0,1,0: 55:[7, 61] Operation: 62-1=61 Exploring Operation: 7-1=6, Resulting Numbers: [62, 6] Generated Node #0,1,1: 55:[62, 6] Operation: 7-1=6 Exploring Operation: 62-7=55, Resulting Numbers: [1, 55] Generated Node #0,1,2: 55:[1, 55] Operation: 62-7=55 Moving to Node #0,1,2 Current State: 55:[1, 55], Operations: ['32+30=62', '62-7=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[32, 7, 1, 30], Operations: [] Exploring Operation: 32+30=62, Resulting Numbers: [7, 1, 62] Generated Node #0,1: 55:[7, 1, 62] Operation: 32+30=62 Moving to Node #0,1 Current State: 55:[7, 1, 62], Operations: ['32+30=62'] Exploring Operation: 62-7=55, Resulting Numbers: [1, 55] Generated Node #0,1,2: 55:[1, 55] Operation: 62-7=55 Moving to Node #0,1,2 Current State: 55:[1, 55], Operations: ['32+30=62', '62-7=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 3, 23, 55, 7 ]
88
[ "3+23=26", "55+7=62", "26+62=88" ]
Current State: 88:[3, 23, 55, 7], Operations: [] Exploring Operation: 3+23=26, Resulting Numbers: [55, 7, 26] Generated Node #2: [55, 7, 26] from Operation: 3+23=26 Current State: 88:[55, 7, 26], Operations: ['3+23=26'] Exploring Operation: 55+7=62, Resulting Numbers: [26, 62] Generated Node #3: [26, 62] from Operation: 55+7=62 Current State: 88:[26, 62], Operations: ['3+23=26', '55+7=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[3, 23, 55, 7], Operations: [] Exploring Operation: 7-3=4, Resulting Numbers: [23, 55, 4] Generated Node #0,0: 88:[23, 55, 4] Operation: 7-3=4 Exploring Operation: 55-3=52, Resulting Numbers: [23, 7, 52] Generated Node #0,1: 88:[23, 7, 52] Operation: 55-3=52 Exploring Operation: 23+55=78, Resulting Numbers: [3, 7, 78] Generated Node #0,2: 88:[3, 7, 78] Operation: 23+55=78 Exploring Operation: 55-7=48, Resulting Numbers: [3, 23, 48] Generated Node #0,3: 88:[3, 23, 48] Operation: 55-7=48 Moving to Node #0,3 Current State: 88:[3, 23, 48], Operations: ['55-7=48'] Exploring Operation: 23-3=20, Resulting Numbers: [48, 20] Generated Node #0,3,0: 88:[48, 20] Operation: 23-3=20 Exploring Operation: 48-23=25, Resulting Numbers: [3, 25] Generated Node #0,3,1: 88:[3, 25] Operation: 48-23=25 Exploring Operation: 48/3=16, Resulting Numbers: [23, 16] Generated Node #0,3,2: 88:[23, 16] Operation: 48/3=16 Exploring Operation: 48-3=45, Resulting Numbers: [23, 45] Generated Node #0,3,3: 88:[23, 45] Operation: 48-3=45 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 88:[23, 45], Operations: ['55-7=48', '48-3=45'] Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,88 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 88:[3, 25], Operations: ['55-7=48', '48-23=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 88:[48, 20], Operations: ['55-7=48', '23-3=20'] Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 88:[23, 16], Operations: ['55-7=48', '48/3=16'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,88 unequal: No Solution Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 88:[23, 7, 52], Operations: ['55-3=52'] Exploring Operation: 52-7=45, Resulting Numbers: [23, 45] Generated Node #0,1,0: 88:[23, 45] Operation: 52-7=45 Exploring Operation: 52-23=29, Resulting Numbers: [7, 29] Generated Node #0,1,1: 88:[7, 29] Operation: 52-23=29 Exploring Operation: 23-7=16, Resulting Numbers: [52, 16] Generated Node #0,1,2: 88:[52, 16] Operation: 23-7=16 Exploring Operation: 23+52=75, Resulting Numbers: [7, 75] Generated Node #0,1,3: 88:[7, 75] Operation: 23+52=75 Moving to Node #0,2 Current State: 88:[3, 7, 78], Operations: ['23+55=78'] Exploring Operation: 78/3=26, Resulting Numbers: [7, 26] Generated Node #0,2,0: 88:[7, 26] Operation: 78/3=26 Exploring Operation: 7+78=85, Resulting Numbers: [3, 85] Generated Node #0,2,1: 88:[3, 85] Operation: 7+78=85 Exploring Operation: 7-3=4, Resulting Numbers: [78, 4] Generated Node #0,2,2: 88:[78, 4] Operation: 7-3=4 Exploring Operation: 3+78=81, Resulting Numbers: [7, 81] Generated Node #0,2,3: 88:[7, 81] Operation: 3+78=81 Moving to Node #0,0 Current State: 88:[23, 55, 4], Operations: ['7-3=4'] Exploring Operation: 23+55=78, Resulting Numbers: [4, 78] Generated Node #0,0,0: 88:[4, 78] Operation: 23+55=78 Exploring Operation: 55-4=51, Resulting Numbers: [23, 51] Generated Node #0,0,1: 88:[23, 51] Operation: 55-4=51 Exploring Operation: 23-4=19, Resulting Numbers: [55, 19] Generated Node #0,0,2: 88:[55, 19] Operation: 23-4=19 Exploring Operation: 55-23=32, Resulting Numbers: [4, 32] Generated Node #0,0,3: 88:[4, 32] Operation: 55-23=32 Moving to Node #0,1,0 Current State: 88:[23, 45], Operations: ['55-3=52', '52-7=45'] Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,88 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[3, 85], Operations: ['23+55=78', '7+78=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[3, 23, 55, 7], Operations: [] Exploring Operation: 23+55=78, Resulting Numbers: [3, 7, 78] Generated Node #0,2: 88:[3, 7, 78] Operation: 23+55=78 Moving to Node #0,2 Current State: 88:[3, 7, 78], Operations: ['23+55=78'] Exploring Operation: 7+78=85, Resulting Numbers: [3, 85] Generated Node #0,2,1: 88:[3, 85] Operation: 7+78=85 Moving to Node #0,2,1 Current State: 88:[3, 85], Operations: ['23+55=78', '7+78=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 41, 4, 74, 74 ]
41
[ "74-74=0", "4*0=0", "41+0=41" ]
Current State: 41:[41, 4, 74, 74], Operations: [] Exploring Operation: 74-74=0, Resulting Numbers: [41, 4, 0] Generated Node #2: [41, 4, 0] from Operation: 74-74=0 Current State: 41:[41, 4, 0], Operations: ['74-74=0'] Exploring Operation: 4*0=0, Resulting Numbers: [41, 0] Generated Node #3: [41, 0] from Operation: 4*0=0 Current State: 41:[41, 0], Operations: ['74-74=0', '4*0=0'] Exploring Operation: 41+0=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[41, 4, 74, 74], Operations: [] Exploring Operation: 74-4=70, Resulting Numbers: [41, 74, 70] Generated Node #0,0: 41:[41, 74, 70] Operation: 74-4=70 Moving to Node #0,0 Current State: 41:[41, 74, 70], Operations: ['74-4=70'] Exploring Operation: 74-41=33, Resulting Numbers: [70, 33] Generated Node #0,0,0: 41:[70, 33] Operation: 74-41=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[70, 33], Operations: ['74-4=70', '74-41=33'] Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,41 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
[ 75, 50, 26, 55 ]
94
[ "75*26=1950", "1950/50=39", "55+39=94" ]
Current State: 94:[75, 50, 26, 55], Operations: [] Exploring Operation: 75*26=1950, Resulting Numbers: [50, 55, 1950] Generated Node #2: [50, 55, 1950] from Operation: 75*26=1950 Current State: 94:[50, 55, 1950], Operations: ['75*26=1950'] Exploring Operation: 1950/50=39, Resulting Numbers: [55, 39] Generated Node #3: [55, 39] from Operation: 1950/50=39 Current State: 94:[55, 39], Operations: ['75*26=1950', '1950/50=39'] Exploring Operation: 55+39=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[75, 50, 26, 55], Operations: [] Exploring Operation: 75+26=101, Resulting Numbers: [50, 55, 101] Generated Node #0,0: 94:[50, 55, 101] Operation: 75+26=101 Exploring Operation: 26+55=81, Resulting Numbers: [75, 50, 81] Generated Node #0,1: 94:[75, 50, 81] Operation: 26+55=81 Exploring Operation: 75-26=49, Resulting Numbers: [50, 55, 49] Generated Node #0,2: 94:[50, 55, 49] Operation: 75-26=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[50, 55, 49], Operations: ['75-26=49'] Exploring Operation: 50-49=1, Resulting Numbers: [55, 1] Generated Node #0,2,0: 94:[55, 1] Operation: 50-49=1 Exploring Operation: 55-50=5, Resulting Numbers: [49, 5] Generated Node #0,2,1: 94:[49, 5] Operation: 55-50=5 Exploring Operation: 55-49=6, Resulting Numbers: [50, 6] Generated Node #0,2,2: 94:[50, 6] Operation: 55-49=6 Moving to Node #0,2,1 Current State: 94:[49, 5], Operations: ['75-26=49', '55-50=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,94 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[50, 6], Operations: ['75-26=49', '55-49=6'] Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,94 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[55, 1], Operations: ['75-26=49', '50-49=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,94 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 #0,0 Current State: 94:[50, 55, 101], Operations: ['75+26=101'] Exploring Operation: 101-55=46, Resulting Numbers: [50, 46] Generated Node #0,0,0: 94:[50, 46] Operation: 101-55=46 Exploring Operation: 55-50=5, Resulting Numbers: [101, 5] Generated Node #0,0,1: 94:[101, 5] Operation: 55-50=5 Exploring Operation: 101-50=51, Resulting Numbers: [55, 51] Generated Node #0,0,2: 94:[55, 51] Operation: 101-50=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[50, 46], Operations: ['75+26=101', '101-55=46'] Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,94 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,94 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:[101, 5], Operations: ['75+26=101', '55-50=5'] Exploring Operation: 101*5=505, Resulting Numbers: [505] 505,94 unequal: No Solution Exploring Operation: 101-5=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 101+5=106, Resulting Numbers: [106] 106,94 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:[55, 51], Operations: ['75+26=101', '101-50=51'] Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 55*51=2805, Resulting Numbers: [2805] 2805,94 unequal: No Solution Exploring Operation: 55+51=106, Resulting Numbers: [106] 106,94 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:[75, 50, 81], Operations: ['26+55=81'] Exploring Operation: 81-75=6, Resulting Numbers: [50, 6] Generated Node #0,1,0: 94:[50, 6] Operation: 81-75=6 Exploring Operation: 75-50=25, Resulting Numbers: [81, 25] Generated Node #0,1,1: 94:[81, 25] Operation: 75-50=25 Exploring Operation: 81-50=31, Resulting Numbers: [75, 31] Generated Node #0,1,2: 94:[75, 31] Operation: 81-50=31 Moving to Node #0,1,0 Current State: 94:[50, 6], Operations: ['26+55=81', '81-75=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,94 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[81, 25], Operations: ['26+55=81', '75-50=25'] Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,94 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[75, 31], Operations: ['26+55=81', '81-50=31'] Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,94 unequal: No Solution Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,94 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,94 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
[ 22, 80, 44, 71 ]
89
[ "44/22=2", "80*2=160", "160-71=89" ]
Current State: 89:[22, 80, 44, 71], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [80, 71, 2] Generated Node #2: [80, 71, 2] from Operation: 44/22=2 Current State: 89:[80, 71, 2], Operations: ['44/22=2'] Exploring Operation: 80*2=160, Resulting Numbers: [71, 160] Generated Node #3: [71, 160] from Operation: 80*2=160 Current State: 89:[71, 160], Operations: ['44/22=2', '80*2=160'] Exploring Operation: 160-71=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[22, 80, 44, 71], Operations: [] Exploring Operation: 22+71=93, Resulting Numbers: [80, 44, 93] Generated Node #0,0: 89:[80, 44, 93] Operation: 22+71=93 Exploring Operation: 22+44=66, Resulting Numbers: [80, 71, 66] Generated Node #0,1: 89:[80, 71, 66] Operation: 22+44=66 Moving to Node #0,1 Current State: 89:[80, 71, 66], Operations: ['22+44=66'] Exploring Operation: 80+66=146, Resulting Numbers: [71, 146] Generated Node #0,1,0: 89:[71, 146] Operation: 80+66=146 Exploring Operation: 71+66=137, Resulting Numbers: [80, 137] Generated Node #0,1,1: 89:[80, 137] Operation: 71+66=137 Moving to Node #0,0 Current State: 89:[80, 44, 93], Operations: ['22+71=93'] Exploring Operation: 93-44=49, Resulting Numbers: [80, 49] Generated Node #0,0,0: 89:[80, 49] Operation: 93-44=49 Exploring Operation: 80+44=124, Resulting Numbers: [93, 124] Generated Node #0,0,1: 89:[93, 124] Operation: 80+44=124 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[93, 124], Operations: ['22+71=93', '80+44=124'] Exploring Operation: 93+124=217, Resulting Numbers: [217] 217,89 unequal: No Solution Exploring Operation: 124-93=31, Resulting Numbers: [31] 31,89 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 #0,0,0 Current State: 89:[80, 49], Operations: ['22+71=93', '93-44=49'] Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,89 unequal: No Solution Exploring Operation: 80+49=129, Resulting Numbers: [129] 129,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 89:[80, 137], Operations: ['22+44=66', '71+66=137'] Exploring Operation: 80+137=217, Resulting Numbers: [217] 217,89 unequal: No Solution Exploring Operation: 137-80=57, Resulting Numbers: [57] 57,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[71, 146], Operations: ['22+44=66', '80+66=146'] Exploring Operation: 71+146=217, Resulting Numbers: [217] 217,89 unequal: No Solution Exploring Operation: 146-71=75, Resulting Numbers: [75] 75,89 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 62, 81, 94, 27 ]
52
[ "62+94=156", "81/27=3", "156/3=52" ]
Current State: 52:[62, 81, 94, 27], Operations: [] Exploring Operation: 62+94=156, Resulting Numbers: [81, 27, 156] Generated Node #2: [81, 27, 156] from Operation: 62+94=156 Current State: 52:[81, 27, 156], Operations: ['62+94=156'] Exploring Operation: 81/27=3, Resulting Numbers: [156, 3] Generated Node #3: [156, 3] from Operation: 81/27=3 Current State: 52:[156, 3], Operations: ['62+94=156', '81/27=3'] Exploring Operation: 156/3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[62, 81, 94, 27], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [94, 27, 19] Generated Node #0,0: 52:[94, 27, 19] Operation: 81-62=19 Exploring Operation: 94-81=13, Resulting Numbers: [62, 27, 13] Generated Node #0,1: 52:[62, 27, 13] Operation: 94-81=13 Exploring Operation: 94-62=32, Resulting Numbers: [81, 27, 32] Generated Node #0,2: 52:[81, 27, 32] Operation: 94-62=32 Moving to Node #0,1 Current State: 52:[62, 27, 13], Operations: ['94-81=13'] Exploring Operation: 62-27=35, Resulting Numbers: [13, 35] Generated Node #0,1,0: 52:[13, 35] Operation: 62-27=35 Exploring Operation: 62-13=49, Resulting Numbers: [27, 49] Generated Node #0,1,1: 52:[27, 49] Operation: 62-13=49 Exploring Operation: 27-13=14, Resulting Numbers: [62, 14] Generated Node #0,1,2: 52:[62, 14] Operation: 27-13=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[27, 49], Operations: ['94-81=13', '62-13=49'] Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,52 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[13, 35], Operations: ['94-81=13', '62-27=35'] Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,52 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[62, 14], Operations: ['94-81=13', '27-13=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[81, 27, 32], Operations: ['94-62=32'] Exploring Operation: 81-32=49, Resulting Numbers: [27, 49] Generated Node #0,2,0: 52:[27, 49] Operation: 81-32=49 Exploring Operation: 81/27=3, Resulting Numbers: [32, 3] Generated Node #0,2,1: 52:[32, 3] Operation: 81/27=3 Exploring Operation: 81-27=54, Resulting Numbers: [32, 54] Generated Node #0,2,2: 52:[32, 54] Operation: 81-27=54 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[27, 49], Operations: ['94-62=32', '81-32=49'] Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,52 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[32, 3], Operations: ['94-62=32', '81/27=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,52 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,52 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[32, 54], Operations: ['94-62=32', '81-27=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,52 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,52 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,52 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: 52:[94, 27, 19], Operations: ['81-62=19'] Exploring Operation: 94-19=75, Resulting Numbers: [27, 75] Generated Node #0,0,0: 52:[27, 75] Operation: 94-19=75 Exploring Operation: 94-27=67, Resulting Numbers: [19, 67] Generated Node #0,0,1: 52:[19, 67] Operation: 94-27=67 Exploring Operation: 27-19=8, Resulting Numbers: [94, 8] Generated Node #0,0,2: 52:[94, 8] Operation: 27-19=8 Moving to Node #0,0,1 Current State: 52:[19, 67], Operations: ['81-62=19', '94-27=67'] Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,52 unequal: No Solution Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[27, 75], Operations: ['81-62=19', '94-19=75'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 27+75=102, Resulting Numbers: [102] 102,52 unequal: No Solution Exploring Operation: 27*75=2025, Resulting Numbers: [2025] 2025,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[94, 8], Operations: ['81-62=19', '27-19=8'] Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,52 unequal: No Solution Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,52 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,52 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 9, 3, 8, 1 ]
69
[ "9*8=72", "3*1=3", "72-3=69" ]
Current State: 69:[9, 3, 8, 1], Operations: [] Exploring Operation: 9*8=72, Resulting Numbers: [3, 1, 72] Generated Node #2: [3, 1, 72] from Operation: 9*8=72 Current State: 69:[3, 1, 72], Operations: ['9*8=72'] Exploring Operation: 3*1=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 3*1=3 Current State: 69:[72, 3], Operations: ['9*8=72', '3*1=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[9, 3, 8, 1], Operations: [] Exploring Operation: 9-8=1, Resulting Numbers: [3, 1, 1] Generated Node #0,0: 69:[3, 1, 1] Operation: 9-8=1 Exploring Operation: 9*8=72, Resulting Numbers: [3, 1, 72] Generated Node #0,1: 69:[3, 1, 72] Operation: 9*8=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[3, 1, 1], Operations: ['9-8=1'] Exploring Operation: 1+1=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 69:[3, 2] Operation: 1+1=2 Exploring Operation: 3*1=3, Resulting Numbers: [1, 3] Generated Node #0,0,1: 69:[1, 3] Operation: 3*1=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[3, 2], Operations: ['9-8=1', '1+1=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,69 unequal: No Solution No 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: 69:[1, 3], Operations: ['9-8=1', '3*1=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,69 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: 69:[3, 1, 72], Operations: ['9*8=72'] Exploring Operation: 72-3=69, Resulting Numbers: [1, 69] Generated Node #0,1,0: 69:[1, 69] Operation: 72-3=69 Exploring Operation: 72-1=71, Resulting Numbers: [3, 71] Generated Node #0,1,1: 69:[3, 71] Operation: 72-1=71 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[1, 69], Operations: ['9*8=72', '72-3=69'] Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[9, 3, 8, 1], Operations: [] Exploring Operation: 9*8=72, Resulting Numbers: [3, 1, 72] Generated Node #0,1: 69:[3, 1, 72] Operation: 9*8=72 Moving to Node #0,1 Current State: 69:[3, 1, 72], Operations: ['9*8=72'] Exploring Operation: 72-3=69, Resulting Numbers: [1, 69] Generated Node #0,1,0: 69:[1, 69] Operation: 72-3=69 Moving to Node #0,1,0 Current State: 69:[1, 69], Operations: ['9*8=72', '72-3=69'] Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 3, 32, 55, 33 ]
53
[ "3+32=35", "55+33=88", "88-35=53" ]
Current State: 53:[3, 32, 55, 33], Operations: [] Exploring Operation: 3+32=35, Resulting Numbers: [55, 33, 35] Generated Node #2: [55, 33, 35] from Operation: 3+32=35 Current State: 53:[55, 33, 35], Operations: ['3+32=35'] Exploring Operation: 55+33=88, Resulting Numbers: [35, 88] Generated Node #3: [35, 88] from Operation: 55+33=88 Current State: 53:[35, 88], Operations: ['3+32=35', '55+33=88'] Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[3, 32, 55, 33], Operations: [] Exploring Operation: 3+32=35, Resulting Numbers: [55, 33, 35] Generated Node #0,0: 53:[55, 33, 35] Operation: 3+32=35 Exploring Operation: 3+33=36, Resulting Numbers: [32, 55, 36] Generated Node #0,1: 53:[32, 55, 36] Operation: 3+33=36 Exploring Operation: 32-3=29, Resulting Numbers: [55, 33, 29] Generated Node #0,2: 53:[55, 33, 29] Operation: 32-3=29 Exploring Operation: 55-3=52, Resulting Numbers: [32, 33, 52] Generated Node #0,3: 53:[32, 33, 52] Operation: 55-3=52 Moving to Node #0,0 Current State: 53:[55, 33, 35], Operations: ['3+32=35'] Exploring Operation: 55-33=22, Resulting Numbers: [35, 22] Generated Node #0,0,0: 53:[35, 22] Operation: 55-33=22 Exploring Operation: 33+35=68, Resulting Numbers: [55, 68] Generated Node #0,0,1: 53:[55, 68] Operation: 33+35=68 Exploring Operation: 55-35=20, Resulting Numbers: [33, 20] Generated Node #0,0,2: 53:[33, 20] Operation: 55-35=20 Exploring Operation: 55+33=88, Resulting Numbers: [35, 88] Generated Node #0,0,3: 53:[35, 88] Operation: 55+33=88 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[55, 68], Operations: ['3+32=35', '33+35=68'] Exploring Operation: 55+68=123, Resulting Numbers: [123] 123,53 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 55*68=3740, Resulting Numbers: [3740] 3740,53 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:[35, 22], Operations: ['3+32=35', '55-33=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,53 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[33, 20], Operations: ['3+32=35', '55-35=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[3, 32, 55, 33], Operations: [] Exploring Operation: 3+32=35, Resulting Numbers: [55, 33, 35] Generated Node #0,0: 53:[55, 33, 35] Operation: 3+32=35 Moving to Node #0,0 Current State: 53:[55, 33, 35], Operations: ['3+32=35'] Exploring Operation: 55-35=20, Resulting Numbers: [33, 20] Generated Node #0,0,2: 53:[33, 20] Operation: 55-35=20 Moving to Node #0,0,2 Current State: 53:[33, 20], Operations: ['3+32=35', '55-35=20'] Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 64, 25, 90, 74 ]
75
[ "64+25=89", "90+74=164", "164-89=75" ]
Current State: 75:[64, 25, 90, 74], Operations: [] Exploring Operation: 64+25=89, Resulting Numbers: [90, 74, 89] Generated Node #2: [90, 74, 89] from Operation: 64+25=89 Current State: 75:[90, 74, 89], Operations: ['64+25=89'] Exploring Operation: 90+74=164, Resulting Numbers: [89, 164] Generated Node #3: [89, 164] from Operation: 90+74=164 Current State: 75:[89, 164], Operations: ['64+25=89', '90+74=164'] Exploring Operation: 164-89=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[64, 25, 90, 74], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [64, 25, 16] Generated Node #0,0: 75:[64, 25, 16] Operation: 90-74=16 Exploring Operation: 90-64=26, Resulting Numbers: [25, 74, 26] Generated Node #0,1: 75:[25, 74, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[25, 74, 26], Operations: ['90-64=26'] Exploring Operation: 74-26=48, Resulting Numbers: [25, 48] Generated Node #0,1,0: 75:[25, 48] Operation: 74-26=48 Exploring Operation: 26-25=1, Resulting Numbers: [74, 1] Generated Node #0,1,1: 75:[74, 1] Operation: 26-25=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[74, 1], Operations: ['90-64=26', '26-25=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[64, 25, 90, 74], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [25, 74, 26] Generated Node #0,1: 75:[25, 74, 26] Operation: 90-64=26 Moving to Node #0,1 Current State: 75:[25, 74, 26], Operations: ['90-64=26'] Exploring Operation: 26-25=1, Resulting Numbers: [74, 1] Generated Node #0,1,1: 75:[74, 1] Operation: 26-25=1 Moving to Node #0,1,1 Current State: 75:[74, 1], Operations: ['90-64=26', '26-25=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 68, 26, 69, 16 ]
10
[ "69-68=1", "26-16=10", "1*10=10" ]
Current State: 10:[68, 26, 69, 16], Operations: [] Exploring Operation: 69-68=1, Resulting Numbers: [26, 16, 1] Generated Node #2: [26, 16, 1] from Operation: 69-68=1 Current State: 10:[26, 16, 1], Operations: ['69-68=1'] Exploring Operation: 26-16=10, Resulting Numbers: [1, 10] Generated Node #3: [1, 10] from Operation: 26-16=10 Current State: 10:[1, 10], Operations: ['69-68=1', '26-16=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[68, 26, 69, 16], Operations: [] Exploring Operation: 68-16=52, Resulting Numbers: [26, 69, 52] Generated Node #0,0: 10:[26, 69, 52] Operation: 68-16=52 Exploring Operation: 69-26=43, Resulting Numbers: [68, 16, 43] Generated Node #0,1: 10:[68, 16, 43] Operation: 69-26=43 Exploring Operation: 69-68=1, Resulting Numbers: [26, 16, 1] Generated Node #0,2: 10:[26, 16, 1] Operation: 69-68=1 Exploring Operation: 68-26=42, Resulting Numbers: [69, 16, 42] Generated Node #0,3: 10:[69, 16, 42] Operation: 68-26=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[26, 16, 1], Operations: ['69-68=1'] Exploring Operation: 16-1=15, Resulting Numbers: [26, 15] Generated Node #0,2,0: 10:[26, 15] Operation: 16-1=15 Exploring Operation: 26-1=25, Resulting Numbers: [16, 25] Generated Node #0,2,1: 10:[16, 25] Operation: 26-1=25 Exploring Operation: 26*1=26, Resulting Numbers: [16, 26] Generated Node #0,2,2: 10:[16, 26] Operation: 26*1=26 Exploring Operation: 26-16=10, Resulting Numbers: [1, 10] Generated Node #0,2,3: 10:[1, 10] Operation: 26-16=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 10:[1, 10], Operations: ['69-68=1', '26-16=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[68, 26, 69, 16], Operations: [] Exploring Operation: 69-68=1, Resulting Numbers: [26, 16, 1] Generated Node #0,2: 10:[26, 16, 1] Operation: 69-68=1 Moving to Node #0,2 Current State: 10:[26, 16, 1], Operations: ['69-68=1'] Exploring Operation: 26-16=10, Resulting Numbers: [1, 10] Generated Node #0,2,3: 10:[1, 10] Operation: 26-16=10 Moving to Node #0,2,3 Current State: 10:[1, 10], Operations: ['69-68=1', '26-16=10'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 34, 96, 17, 5 ]
89
[ "34/17=2", "96-5=91", "91-2=89" ]
Current State: 89:[34, 96, 17, 5], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [96, 5, 2] Generated Node #2: [96, 5, 2] from Operation: 34/17=2 Current State: 89:[96, 5, 2], Operations: ['34/17=2'] Exploring Operation: 96-5=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 96-5=91 Current State: 89:[2, 91], Operations: ['34/17=2', '96-5=91'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[34, 96, 17, 5], Operations: [] Exploring Operation: 96-5=91, Resulting Numbers: [34, 17, 91] Generated Node #0,0: 89:[34, 17, 91] Operation: 96-5=91 Exploring Operation: 34+17=51, Resulting Numbers: [96, 5, 51] Generated Node #0,1: 89:[96, 5, 51] Operation: 34+17=51 Exploring Operation: 34+5=39, Resulting Numbers: [96, 17, 39] Generated Node #0,2: 89:[96, 17, 39] Operation: 34+5=39 Exploring Operation: 17*5=85, Resulting Numbers: [34, 96, 85] Generated Node #0,3: 89:[34, 96, 85] Operation: 17*5=85 Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[34, 96, 85], Operations: ['17*5=85'] Exploring Operation: 34+96=130, Resulting Numbers: [85, 130] Generated Node #0,3,0: 89:[85, 130] Operation: 34+96=130 Exploring Operation: 34+85=119, Resulting Numbers: [96, 119] Generated Node #0,3,1: 89:[96, 119] Operation: 34+85=119 Exploring Operation: 85-34=51, Resulting Numbers: [96, 51] Generated Node #0,3,2: 89:[96, 51] Operation: 85-34=51 Exploring Operation: 96-34=62, Resulting Numbers: [85, 62] Generated Node #0,3,3: 89:[85, 62] Operation: 96-34=62 Moving to Node #0,3,3 Current State: 89:[85, 62], Operations: ['17*5=85', '96-34=62'] Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,89 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[96, 119], Operations: ['17*5=85', '34+85=119'] Exploring Operation: 119-96=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 96+119=215, Resulting Numbers: [215] 215,89 unequal: No Solution Exploring Operation: 96*119=11424, Resulting Numbers: [11424] 11424,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[96, 51], Operations: ['17*5=85', '85-34=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,89 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,89 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[85, 130], Operations: ['17*5=85', '34+96=130'] Exploring Operation: 85+130=215, Resulting Numbers: [215] 215,89 unequal: No Solution Exploring Operation: 130-85=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 85*130=11050, Resulting Numbers: [11050] 11050,89 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 Current State: 89:[34, 17, 91], Operations: ['96-5=91'] Exploring Operation: 17+91=108, Resulting Numbers: [34, 108] Generated Node #0,0,0: 89:[34, 108] Operation: 17+91=108 Exploring Operation: 34+17=51, Resulting Numbers: [91, 51] Generated Node #0,0,1: 89:[91, 51] Operation: 34+17=51 Exploring Operation: 34-17=17, Resulting Numbers: [91, 17] Generated Node #0,0,2: 89:[91, 17] Operation: 34-17=17 Exploring Operation: 91-17=74, Resulting Numbers: [34, 74] Generated Node #0,0,3: 89:[34, 74] Operation: 91-17=74 Moving to Node #0,0,1 Current State: 89:[91, 51], Operations: ['96-5=91', '34+17=51'] Exploring Operation: 91*51=4641, Resulting Numbers: [4641] 4641,89 unequal: No Solution Exploring Operation: 91+51=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[34, 74], Operations: ['96-5=91', '91-17=74'] Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 34*74=2516, Resulting Numbers: [2516] 2516,89 unequal: No Solution Exploring Operation: 34+74=108, Resulting Numbers: [108] 108,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[91, 17], Operations: ['96-5=91', '34-17=17'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,89 unequal: No Solution Exploring Operation: 91*17=1547, Resulting Numbers: [1547] 1547,89 unequal: No Solution Exploring Operation: 91+17=108, Resulting Numbers: [108] 108,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[34, 108], Operations: ['96-5=91', '17+91=108'] Exploring Operation: 34*108=3672, Resulting Numbers: [3672] 3672,89 unequal: No Solution Exploring Operation: 34+108=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 108-34=74, Resulting Numbers: [74] 74,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[96, 5, 51], Operations: ['34+17=51'] Exploring Operation: 96+5=101, Resulting Numbers: [51, 101] Generated Node #0,1,0: 89:[51, 101] Operation: 96+5=101 Exploring Operation: 5+51=56, Resulting Numbers: [96, 56] Generated Node #0,1,1: 89:[96, 56] Operation: 5+51=56 Exploring Operation: 51-5=46, Resulting Numbers: [96, 46] Generated Node #0,1,2: 89:[96, 46] Operation: 51-5=46 Exploring Operation: 96-5=91, Resulting Numbers: [51, 91] Generated Node #0,1,3: 89:[51, 91] Operation: 96-5=91 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[96, 56], Operations: ['34+17=51', '5+51=56'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,89 unequal: No Solution Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 89:[51, 91], Operations: ['34+17=51', '96-5=91'] Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 51*91=4641, Resulting Numbers: [4641] 4641,89 unequal: No Solution Exploring Operation: 51+91=142, Resulting Numbers: [142] 142,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[51, 101], Operations: ['34+17=51', '96+5=101'] Exploring Operation: 51+101=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 51*101=5151, Resulting Numbers: [5151] 5151,89 unequal: No Solution Exploring Operation: 101-51=50, Resulting Numbers: [50] 50,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[96, 46], Operations: ['34+17=51', '51-5=46'] Exploring Operation: 96*46=4416, Resulting Numbers: [4416] 4416,89 unequal: No Solution Exploring Operation: 96+46=142, Resulting Numbers: [142] 142,89 unequal: No Solution Exploring Operation: 96-46=50, Resulting Numbers: [50] 50,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[96, 17, 39], Operations: ['34+5=39'] Exploring Operation: 96-17=79, Resulting Numbers: [39, 79] Generated Node #0,2,0: 89:[39, 79] Operation: 96-17=79 Exploring Operation: 39-17=22, Resulting Numbers: [96, 22] Generated Node #0,2,1: 89:[96, 22] Operation: 39-17=22 Exploring Operation: 17+39=56, Resulting Numbers: [96, 56] Generated Node #0,2,2: 89:[96, 56] Operation: 17+39=56 Exploring Operation: 96+17=113, Resulting Numbers: [39, 113] Generated Node #0,2,3: 89:[39, 113] Operation: 96+17=113 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[96, 56], Operations: ['34+5=39', '17+39=56'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[39, 79], Operations: ['34+5=39', '96-17=79'] Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 39+79=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 39*79=3081, Resulting Numbers: [3081] 3081,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[96, 22], Operations: ['34+5=39', '39-17=22'] Exploring Operation: 96+22=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,89 unequal: No Solution Exploring Operation: 96*22=2112, Resulting Numbers: [2112] 2112,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[39, 113], Operations: ['34+5=39', '96+17=113'] Exploring Operation: 113-39=74, Resulting Numbers: [74] 74,89 unequal: No Solution Exploring Operation: 39*113=4407, Resulting Numbers: [4407] 4407,89 unequal: No Solution Exploring Operation: 39+113=152, Resulting Numbers: [152] 152,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 50, 53, 68, 55 ]
84
[ "55-53=2", "68/2=34", "50+34=84" ]
Current State: 84:[50, 53, 68, 55], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [50, 68, 2] Generated Node #2: [50, 68, 2] from Operation: 55-53=2 Current State: 84:[50, 68, 2], Operations: ['55-53=2'] Exploring Operation: 68/2=34, Resulting Numbers: [50, 34] Generated Node #3: [50, 34] from Operation: 68/2=34 Current State: 84:[50, 34], Operations: ['55-53=2', '68/2=34'] Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[50, 53, 68, 55], Operations: [] Exploring Operation: 68-55=13, Resulting Numbers: [50, 53, 13] Generated Node #0,0: 84:[50, 53, 13] Operation: 68-55=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[50, 53, 13], Operations: ['68-55=13'] Exploring Operation: 53-50=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 84:[13, 3] Operation: 53-50=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[13, 3], Operations: ['68-55=13', '53-50=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 92, 2, 57, 92 ]
22
[ "92-57=35", "2*35=70", "92-70=22" ]
Current State: 22:[92, 2, 57, 92], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [2, 35] Generated Node #2: [2, 35] from Operation: 92-57=35 Current State: 22:[2, 35], Operations: ['92-57=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,22 equal: Goal Reached Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[92, 2, 57, 92], Operations: [] Exploring Operation: 92-92=0, Resulting Numbers: [2, 57, 0] Generated Node #0,0: 22:[2, 57, 0] Operation: 92-92=0 Exploring Operation: 92/92=1, Resulting Numbers: [2, 57, 1] Generated Node #0,1: 22:[2, 57, 1] Operation: 92/92=1 Exploring Operation: 92-57=35, Resulting Numbers: [92, 2, 35] Generated Node #0,2: 22:[92, 2, 35] Operation: 92-57=35 Exploring Operation: 92-57=35, Resulting Numbers: [2, 92, 35] Generated Node #0,3: 22:[2, 92, 35] Operation: 92-57=35 Moving to Node #0,1 Current State: 22:[2, 57, 1], Operations: ['92/92=1'] Exploring Operation: 57-2=55, Resulting Numbers: [1, 55] Generated Node #0,1,0: 22:[1, 55] Operation: 57-2=55 Exploring Operation: 57-1=56, Resulting Numbers: [2, 56] Generated Node #0,1,1: 22:[2, 56] Operation: 57-1=56 Exploring Operation: 2*1=2, Resulting Numbers: [57, 2] Generated Node #0,1,2: 22:[57, 2] Operation: 2*1=2 Exploring Operation: 2/1=2, Resulting Numbers: [57, 2] Generated Node #0,1,3: 22:[57, 2] Operation: 2/1=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[1, 55], Operations: ['92/92=1', '57-2=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,22 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[2, 56], Operations: ['92/92=1', '57-1=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,22 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,22 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[57, 2], Operations: ['92/92=1', '2*1=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 22:[57, 2], Operations: ['92/92=1', '2/1=2'] Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,22 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 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: 22:[2, 57, 0], Operations: ['92-92=0'] Exploring Operation: 57-2=55, Resulting Numbers: [0, 55] Generated Node #0,0,0: 22:[0, 55] Operation: 57-2=55 Exploring Operation: 2-0=2, Resulting Numbers: [57, 2] Generated Node #0,0,1: 22:[57, 2] Operation: 2-0=2 Exploring Operation: 57*0=0, Resulting Numbers: [2, 0] Generated Node #0,0,2: 22:[2, 0] Operation: 57*0=0 Exploring Operation: 2+0=2, Resulting Numbers: [57, 2] Generated Node #0,0,3: 22:[57, 2] Operation: 2+0=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[2, 0], Operations: ['92-92=0', '57*0=0'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[0, 55], Operations: ['92-92=0', '57-2=55'] Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 0*55=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 0+55=55, Resulting Numbers: [55] 55,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[57, 2], Operations: ['92-92=0', '2-0=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,22 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[57, 2], Operations: ['92-92=0', '2+0=2'] Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,22 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,22 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: 22:[2, 92, 35], Operations: ['92-57=35'] Exploring Operation: 92-35=57, Resulting Numbers: [2, 57] Generated Node #0,3,0: 22:[2, 57] Operation: 92-35=57 Exploring Operation: 35-2=33, Resulting Numbers: [92, 33] Generated Node #0,3,1: 22:[92, 33] Operation: 35-2=33 Exploring Operation: 92-2=90, Resulting Numbers: [35, 90] Generated Node #0,3,2: 22:[35, 90] Operation: 92-2=90 Exploring Operation: 92/2=46, Resulting Numbers: [35, 46] Generated Node #0,3,3: 22:[35, 46] Operation: 92/2=46 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[2, 57], Operations: ['92-57=35', '92-35=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,22 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[35, 46], Operations: ['92-57=35', '92/2=46'] Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,22 unequal: No Solution Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[92, 33], Operations: ['92-57=35', '35-2=33'] Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,22 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[35, 90], Operations: ['92-57=35', '92-2=90'] Exploring Operation: 35+90=125, Resulting Numbers: [125] 125,22 unequal: No Solution Exploring Operation: 35*90=3150, Resulting Numbers: [3150] 3150,22 unequal: No Solution Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,22 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: 22:[92, 2, 35], Operations: ['92-57=35'] Exploring Operation: 35-2=33, Resulting Numbers: [92, 33] Generated Node #0,2,0: 22:[92, 33] Operation: 35-2=33 Exploring Operation: 92/2=46, Resulting Numbers: [35, 46] Generated Node #0,2,1: 22:[35, 46] Operation: 92/2=46 Exploring Operation: 92-35=57, Resulting Numbers: [2, 57] Generated Node #0,2,2: 22:[2, 57] Operation: 92-35=57 Exploring Operation: 92-2=90, Resulting Numbers: [35, 90] Generated Node #0,2,3: 22:[35, 90] Operation: 92-2=90 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[2, 57], Operations: ['92-57=35', '92-35=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[35, 46], Operations: ['92-57=35', '92/2=46'] Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[92, 33], Operations: ['92-57=35', '35-2=33'] Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,22 unequal: No Solution Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 22:[35, 90], Operations: ['92-57=35', '92-2=90'] Exploring Operation: 35*90=3150, Resulting Numbers: [3150] 3150,22 unequal: No Solution Exploring Operation: 35+90=125, Resulting Numbers: [125] 125,22 unequal: No Solution Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 54, 18, 47, 9 ]
94
[ "54*47=2538", "18+9=27", "2538/27=94" ]
Current State: 94:[54, 18, 47, 9], Operations: [] Exploring Operation: 54*47=2538, Resulting Numbers: [18, 9, 2538] Generated Node #2: [18, 9, 2538] from Operation: 54*47=2538 Current State: 94:[18, 9, 2538], Operations: ['54*47=2538'] Exploring Operation: 18+9=27, Resulting Numbers: [2538, 27] Generated Node #3: [2538, 27] from Operation: 18+9=27 Current State: 94:[2538, 27], Operations: ['54*47=2538', '18+9=27'] Exploring Operation: 2538/27=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[54, 18, 47, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [54, 47, 2] Generated Node #0,0: 94:[54, 47, 2] Operation: 18/9=2 Moving to Node #0,0 Current State: 94:[54, 47, 2], Operations: ['18/9=2'] Exploring Operation: 54-47=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 94:[2, 7] Operation: 54-47=7 Moving to Node #0,0,0 Current State: 94:[2, 7], Operations: ['18/9=2', '54-47=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,94 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 3, 22, 72, 13 ]
99
[ "3+13=16", "22*72=1584", "1584/16=99" ]
Current State: 99:[3, 22, 72, 13], Operations: [] Exploring Operation: 3+13=16, Resulting Numbers: [22, 72, 16] Generated Node #2: [22, 72, 16] from Operation: 3+13=16 Current State: 99:[22, 72, 16], Operations: ['3+13=16'] Exploring Operation: 22*72=1584, Resulting Numbers: [16, 1584] Generated Node #3: [16, 1584] from Operation: 22*72=1584 Current State: 99:[16, 1584], Operations: ['3+13=16', '22*72=1584'] Exploring Operation: 1584/16=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[3, 22, 72, 13], Operations: [] Exploring Operation: 22+72=94, Resulting Numbers: [3, 13, 94] Generated Node #0,0: 99:[3, 13, 94] Operation: 22+72=94 Exploring Operation: 72-22=50, Resulting Numbers: [3, 13, 50] Generated Node #0,1: 99:[3, 13, 50] Operation: 72-22=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[3, 13, 94], Operations: ['22+72=94'] Exploring Operation: 3+94=97, Resulting Numbers: [13, 97] Generated Node #0,0,0: 99:[13, 97] Operation: 3+94=97 Exploring Operation: 13-3=10, Resulting Numbers: [94, 10] Generated Node #0,0,1: 99:[94, 10] Operation: 13-3=10 Moving to Node #0,0,0 Current State: 99:[13, 97], Operations: ['22+72=94', '3+94=97'] Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,99 unequal: No Solution Exploring Operation: 13+97=110, Resulting Numbers: [110] 110,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[94, 10], Operations: ['22+72=94', '13-3=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,99 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,99 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:[3, 13, 50], Operations: ['72-22=50'] Exploring Operation: 50-3=47, Resulting Numbers: [13, 47] Generated Node #0,1,0: 99:[13, 47] Operation: 50-3=47 Exploring Operation: 50-13=37, Resulting Numbers: [3, 37] Generated Node #0,1,1: 99:[3, 37] Operation: 50-13=37 Moving to Node #0,1,1 Current State: 99:[3, 37], Operations: ['72-22=50', '50-13=37'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[13, 47], Operations: ['72-22=50', '50-3=47'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,99 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
[ 15, 74, 6, 57 ]
26
[ "15+74=89", "6+57=63", "89-63=26" ]
Current State: 26:[15, 74, 6, 57], Operations: [] Exploring Operation: 15+74=89, Resulting Numbers: [6, 57, 89] Generated Node #2: [6, 57, 89] from Operation: 15+74=89 Current State: 26:[6, 57, 89], Operations: ['15+74=89'] Exploring Operation: 6+57=63, Resulting Numbers: [89, 63] Generated Node #3: [89, 63] from Operation: 6+57=63 Current State: 26:[89, 63], Operations: ['15+74=89', '6+57=63'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[15, 74, 6, 57], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [6, 57, 59] Generated Node #0,0: 26:[6, 57, 59] Operation: 74-15=59 Exploring Operation: 74-57=17, Resulting Numbers: [15, 6, 17] Generated Node #0,1: 26:[15, 6, 17] Operation: 74-57=17 Exploring Operation: 57-15=42, Resulting Numbers: [74, 6, 42] Generated Node #0,2: 26:[74, 6, 42] Operation: 57-15=42 Moving to Node #0,1 Current State: 26:[15, 6, 17], Operations: ['74-57=17'] Exploring Operation: 17-6=11, Resulting Numbers: [15, 11] Generated Node #0,1,0: 26:[15, 11] Operation: 17-6=11 Exploring Operation: 17-15=2, Resulting Numbers: [6, 2] Generated Node #0,1,1: 26:[6, 2] Operation: 17-15=2 Exploring Operation: 6+17=23, Resulting Numbers: [15, 23] Generated Node #0,1,2: 26:[15, 23] Operation: 6+17=23 Moving to Node #0,0 Current State: 26:[6, 57, 59], Operations: ['74-15=59'] Exploring Operation: 59-6=53, Resulting Numbers: [57, 53] Generated Node #0,0,0: 26:[57, 53] Operation: 59-6=53 Exploring Operation: 57-6=51, Resulting Numbers: [59, 51] Generated Node #0,0,1: 26:[59, 51] Operation: 57-6=51 Exploring Operation: 59-57=2, Resulting Numbers: [6, 2] Generated Node #0,0,2: 26:[6, 2] Operation: 59-57=2 Moving to Node #0,2 Current State: 26:[74, 6, 42], Operations: ['57-15=42'] Exploring Operation: 74-6=68, Resulting Numbers: [42, 68] Generated Node #0,2,0: 26:[42, 68] Operation: 74-6=68 Exploring Operation: 42/6=7, Resulting Numbers: [74, 7] Generated Node #0,2,1: 26:[74, 7] Operation: 42/6=7 Exploring Operation: 74-42=32, Resulting Numbers: [6, 32] Generated Node #0,2,2: 26:[6, 32] Operation: 74-42=32 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[6, 32], Operations: ['57-15=42', '74-42=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,26 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[15, 74, 6, 57], Operations: [] Exploring Operation: 57-15=42, Resulting Numbers: [74, 6, 42] Generated Node #0,2: 26:[74, 6, 42] Operation: 57-15=42 Moving to Node #0,2 Current State: 26:[74, 6, 42], Operations: ['57-15=42'] Exploring Operation: 74-42=32, Resulting Numbers: [6, 32] Generated Node #0,2,2: 26:[6, 32] Operation: 74-42=32 Moving to Node #0,2,2 Current State: 26:[6, 32], Operations: ['57-15=42', '74-42=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 5, 96, 18, 57 ]
52
[ "96-5=91", "57-18=39", "91-39=52" ]
Current State: 52:[5, 96, 18, 57], Operations: [] Exploring Operation: 96-5=91, Resulting Numbers: [18, 57, 91] Generated Node #2: [18, 57, 91] from Operation: 96-5=91 Current State: 52:[18, 57, 91], Operations: ['96-5=91'] Exploring Operation: 57-18=39, Resulting Numbers: [91, 39] Generated Node #3: [91, 39] from Operation: 57-18=39 Current State: 52:[91, 39], Operations: ['96-5=91', '57-18=39'] Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[5, 96, 18, 57], Operations: [] Exploring Operation: 96-18=78, Resulting Numbers: [5, 57, 78] Generated Node #0,0: 52:[5, 57, 78] Operation: 96-18=78 Exploring Operation: 96-5=91, Resulting Numbers: [18, 57, 91] Generated Node #0,1: 52:[18, 57, 91] Operation: 96-5=91 Exploring Operation: 96-57=39, Resulting Numbers: [5, 18, 39] Generated Node #0,2: 52:[5, 18, 39] Operation: 96-57=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[5, 18, 39], Operations: ['96-57=39'] Exploring Operation: 18+39=57, Resulting Numbers: [5, 57] Generated Node #0,2,0: 52:[5, 57] Operation: 18+39=57 Exploring Operation: 18-5=13, Resulting Numbers: [39, 13] Generated Node #0,2,1: 52:[39, 13] Operation: 18-5=13 Exploring Operation: 39-18=21, Resulting Numbers: [5, 21] Generated Node #0,2,2: 52:[5, 21] Operation: 39-18=21 Moving to Node #0,2,0 Current State: 52:[5, 57], Operations: ['96-57=39', '18+39=57'] Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,52 unequal: No Solution Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[5, 96, 18, 57], Operations: [] Exploring Operation: 96-57=39, Resulting Numbers: [5, 18, 39] Generated Node #0,2: 52:[5, 18, 39] Operation: 96-57=39 Moving to Node #0,2 Current State: 52:[5, 18, 39], Operations: ['96-57=39'] Exploring Operation: 18+39=57, Resulting Numbers: [5, 57] Generated Node #0,2,0: 52:[5, 57] Operation: 18+39=57 Moving to Node #0,2,0 Current State: 52:[5, 57], Operations: ['96-57=39', '18+39=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 35, 31, 86, 24 ]
66
[ "35-31=4", "86-24=62", "4+62=66" ]
Current State: 66:[35, 31, 86, 24], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [86, 24, 4] Generated Node #2: [86, 24, 4] from Operation: 35-31=4 Current State: 66:[86, 24, 4], Operations: ['35-31=4'] Exploring Operation: 86-24=62, Resulting Numbers: [4, 62] Generated Node #3: [4, 62] from Operation: 86-24=62 Current State: 66:[4, 62], Operations: ['35-31=4', '86-24=62'] Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[35, 31, 86, 24], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [35, 31, 62] Generated Node #0,0: 66:[35, 31, 62] Operation: 86-24=62 Exploring Operation: 86-35=51, Resulting Numbers: [31, 24, 51] Generated Node #0,1: 66:[31, 24, 51] Operation: 86-35=51 Exploring Operation: 86-31=55, Resulting Numbers: [35, 24, 55] Generated Node #0,2: 66:[35, 24, 55] Operation: 86-31=55 Exploring Operation: 35+31=66, Resulting Numbers: [86, 24, 66] Generated Node #0,3: 66:[86, 24, 66] Operation: 35+31=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[35, 31, 62], Operations: ['86-24=62'] Exploring Operation: 62/31=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 66:[35, 2] Operation: 62/31=2 Exploring Operation: 35+31=66, Resulting Numbers: [62, 66] Generated Node #0,0,1: 66:[62, 66] Operation: 35+31=66 Exploring Operation: 35-31=4, Resulting Numbers: [62, 4] Generated Node #0,0,2: 66:[62, 4] Operation: 35-31=4 Exploring Operation: 62-31=31, Resulting Numbers: [35, 31] Generated Node #0,0,3: 66:[35, 31] Operation: 62-31=31 Moving to Node #0,0,0 Current State: 66:[35, 2], Operations: ['86-24=62', '62/31=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[35, 31], Operations: ['86-24=62', '62-31=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[35, 31, 86, 24], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [35, 31, 62] Generated Node #0,0: 66:[35, 31, 62] Operation: 86-24=62 Moving to Node #0,0 Current State: 66:[35, 31, 62], Operations: ['86-24=62'] Exploring Operation: 62-31=31, Resulting Numbers: [35, 31] Generated Node #0,0,3: 66:[35, 31] Operation: 62-31=31 Moving to Node #0,0,3 Current State: 66:[35, 31], Operations: ['86-24=62', '62-31=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic