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
[ 25, 15, 20, 61 ]
59
[ "25+15=40", "40/20=2", "61-2=59" ]
Current State: 59:[25, 15, 20, 61], Operations: [] Exploring Operation: 25+15=40, Resulting Numbers: [20, 61, 40] Generated Node #2: [20, 61, 40] from Operation: 25+15=40 Current State: 59:[20, 61, 40], Operations: ['25+15=40'] Exploring Operation: 40/20=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 40/20=2 Current State: 59:[61, 2], Operations: ['25+15=40', '40/20=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[25, 15, 20, 61], Operations: [] Exploring Operation: 25-15=10, Resulting Numbers: [20, 61, 10] Generated Node #0,0: 59:[20, 61, 10] Operation: 25-15=10 Exploring Operation: 61-15=46, Resulting Numbers: [25, 20, 46] Generated Node #0,1: 59:[25, 20, 46] Operation: 61-15=46 Exploring Operation: 25+20=45, Resulting Numbers: [15, 61, 45] Generated Node #0,2: 59:[15, 61, 45] Operation: 25+20=45 Exploring Operation: 15+20=35, Resulting Numbers: [25, 61, 35] Generated Node #0,3: 59:[25, 61, 35] Operation: 15+20=35 Exploring Operation: 25+15=40, Resulting Numbers: [20, 61, 40] Generated Node #0,4: 59:[20, 61, 40] Operation: 25+15=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[15, 61, 45], Operations: ['25+20=45'] Exploring Operation: 15+45=60, Resulting Numbers: [61, 60] Generated Node #0,2,0: 59:[61, 60] Operation: 15+45=60 Exploring Operation: 15+61=76, Resulting Numbers: [45, 76] Generated Node #0,2,1: 59:[45, 76] Operation: 15+61=76 Exploring Operation: 45/15=3, Resulting Numbers: [61, 3] Generated Node #0,2,2: 59:[61, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [61, 30] Generated Node #0,2,3: 59:[61, 30] Operation: 45-15=30 Exploring Operation: 61-15=46, Resulting Numbers: [45, 46] Generated Node #0,2,4: 59:[45, 46] Operation: 61-15=46 Moving to Node #0,2,0 Current State: 59:[61, 60], Operations: ['25+20=45', '15+45=60'] Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,59 unequal: No Solution Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[45, 46], Operations: ['25+20=45', '61-15=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[45, 76], Operations: ['25+20=45', '15+61=76'] Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 45+76=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 45*76=3420, Resulting Numbers: [3420] 3420,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[61, 30], Operations: ['25+20=45', '45-15=30'] Exploring Operation: 61*30=1830, Resulting Numbers: [1830] 1830,59 unequal: No Solution Exploring Operation: 61+30=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[61, 3], Operations: ['25+20=45', '45/15=3'] Exploring Operation: 61*3=183, Resulting Numbers: [183] 183,59 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,59 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 #0,3 Current State: 59:[25, 61, 35], Operations: ['15+20=35'] Exploring Operation: 61-35=26, Resulting Numbers: [25, 26] Generated Node #0,3,0: 59:[25, 26] Operation: 61-35=26 Exploring Operation: 25+61=86, Resulting Numbers: [35, 86] Generated Node #0,3,1: 59:[35, 86] Operation: 25+61=86 Exploring Operation: 61-25=36, Resulting Numbers: [35, 36] Generated Node #0,3,2: 59:[35, 36] Operation: 61-25=36 Exploring Operation: 25+35=60, Resulting Numbers: [61, 60] Generated Node #0,3,3: 59:[61, 60] Operation: 25+35=60 Exploring Operation: 35-25=10, Resulting Numbers: [61, 10] Generated Node #0,3,4: 59:[61, 10] Operation: 35-25=10 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 59:[61, 60], Operations: ['15+20=35', '25+35=60'] Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,59 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 59:[35, 36], Operations: ['15+20=35', '61-25=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,59 unequal: No Solution Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,59 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 59:[35, 86], Operations: ['15+20=35', '25+61=86'] Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,59 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 59:[61, 10], Operations: ['15+20=35', '35-25=10'] Exploring Operation: 61+10=71, Resulting Numbers: [71] 71,59 unequal: No Solution Exploring Operation: 61*10=610, Resulting Numbers: [610] 610,59 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 59:[25, 26], Operations: ['15+20=35', '61-35=26'] Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,59 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,59 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: 59:[20, 61, 40], Operations: ['25+15=40'] Exploring Operation: 61-20=41, Resulting Numbers: [40, 41] Generated Node #0,4,0: 59:[40, 41] Operation: 61-20=41 Exploring Operation: 20+61=81, Resulting Numbers: [40, 81] Generated Node #0,4,1: 59:[40, 81] Operation: 20+61=81 Exploring Operation: 20+40=60, Resulting Numbers: [61, 60] Generated Node #0,4,2: 59:[61, 60] Operation: 20+40=60 Exploring Operation: 40-20=20, Resulting Numbers: [61, 20] Generated Node #0,4,3: 59:[61, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [61, 2] Generated Node #0,4,4: 59:[61, 2] Operation: 40/20=2 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 59:[61, 60], Operations: ['25+15=40', '20+40=60'] Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,59 unequal: No Solution Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 59:[40, 41], Operations: ['25+15=40', '61-20=41'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,59 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 59:[40, 81], Operations: ['25+15=40', '20+61=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 59:[61, 20], Operations: ['25+15=40', '40-20=20'] Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,59 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 59:[61, 2], Operations: ['25+15=40', '40/20=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[25, 15, 20, 61], Operations: [] Exploring Operation: 25+15=40, Resulting Numbers: [20, 61, 40] Generated Node #0,4: 59:[20, 61, 40] Operation: 25+15=40 Moving to Node #0,4 Current State: 59:[20, 61, 40], Operations: ['25+15=40'] Exploring Operation: 40/20=2, Resulting Numbers: [61, 2] Generated Node #0,4,4: 59:[61, 2] Operation: 40/20=2 Moving to Node #0,4,4 Current State: 59:[61, 2], Operations: ['25+15=40', '40/20=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.94184
hs_5
mult_heuristic
[ 66, 56, 60, 26 ]
68
[ "56-26=30", "60/30=2", "66+2=68" ]
Current State: 68:[66, 56, 60, 26], Operations: [] Exploring Operation: 56-26=30, Resulting Numbers: [66, 60, 30] Generated Node #2: [66, 60, 30] from Operation: 56-26=30 Current State: 68:[66, 60, 30], Operations: ['56-26=30'] Exploring Operation: 60/30=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 60/30=2 Current State: 68:[66, 2], Operations: ['56-26=30', '60/30=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[66, 56, 60, 26], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [66, 26, 4] Generated Node #0,0: 68:[66, 26, 4] Operation: 60-56=4 Exploring Operation: 56-26=30, Resulting Numbers: [66, 60, 30] Generated Node #0,1: 68:[66, 60, 30] Operation: 56-26=30 Moving to Node #0,0 Current State: 68:[66, 26, 4], Operations: ['60-56=4'] Exploring Operation: 26+4=30, Resulting Numbers: [66, 30] Generated Node #0,0,0: 68:[66, 30] Operation: 26+4=30 Exploring Operation: 66-26=40, Resulting Numbers: [4, 40] Generated Node #0,0,1: 68:[4, 40] Operation: 66-26=40 Moving to Node #0,1 Current State: 68:[66, 60, 30], Operations: ['56-26=30'] Exploring Operation: 60/30=2, Resulting Numbers: [66, 2] Generated Node #0,1,0: 68:[66, 2] Operation: 60/30=2 Exploring Operation: 66-60=6, Resulting Numbers: [30, 6] Generated Node #0,1,1: 68:[30, 6] Operation: 66-60=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[66, 2], Operations: ['56-26=30', '60/30=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[66, 56, 60, 26], Operations: [] Exploring Operation: 56-26=30, Resulting Numbers: [66, 60, 30] Generated Node #0,1: 68:[66, 60, 30] Operation: 56-26=30 Moving to Node #0,1 Current State: 68:[66, 60, 30], Operations: ['56-26=30'] Exploring Operation: 60/30=2, Resulting Numbers: [66, 2] Generated Node #0,1,0: 68:[66, 2] Operation: 60/30=2 Moving to Node #0,1,0 Current State: 68:[66, 2], Operations: ['56-26=30', '60/30=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 56, 60, 44, 53 ]
71
[ "60*53=3180", "3180-56=3124", "3124/44=71" ]
Current State: 71:[56, 60, 44, 53], Operations: [] Exploring Operation: 60*53=3180, Resulting Numbers: [56, 44, 3180] Generated Node #2: [56, 44, 3180] from Operation: 60*53=3180 Current State: 71:[56, 44, 3180], Operations: ['60*53=3180'] Exploring Operation: 3180-56=3124, Resulting Numbers: [44, 3124] Generated Node #3: [44, 3124] from Operation: 3180-56=3124 Current State: 71:[44, 3124], Operations: ['60*53=3180', '3180-56=3124'] Exploring Operation: 3124/44=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[56, 60, 44, 53], Operations: [] Exploring Operation: 56+44=100, Resulting Numbers: [60, 53, 100] Generated Node #0,0: 71:[60, 53, 100] Operation: 56+44=100 Exploring Operation: 60+44=104, Resulting Numbers: [56, 53, 104] Generated Node #0,1: 71:[56, 53, 104] Operation: 60+44=104 Exploring Operation: 44+53=97, Resulting Numbers: [56, 60, 97] Generated Node #0,2: 71:[56, 60, 97] Operation: 44+53=97 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[56, 60, 97], Operations: ['44+53=97'] Exploring Operation: 56+60=116, Resulting Numbers: [97, 116] Generated Node #0,2,0: 71:[97, 116] Operation: 56+60=116 Exploring Operation: 97-60=37, Resulting Numbers: [56, 37] Generated Node #0,2,1: 71:[56, 37] Operation: 97-60=37 Exploring Operation: 97-56=41, Resulting Numbers: [60, 41] Generated Node #0,2,2: 71:[60, 41] Operation: 97-56=41 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[60, 41], Operations: ['44+53=97', '97-56=41'] Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,71 unequal: No Solution No 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: 71:[56, 37], Operations: ['44+53=97', '97-60=37'] Exploring Operation: 56*37=2072, Resulting Numbers: [2072] 2072,71 unequal: No Solution Exploring Operation: 56+37=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,71 unequal: No Solution No 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: 71:[97, 116], Operations: ['44+53=97', '56+60=116'] Exploring Operation: 97*116=11252, Resulting Numbers: [11252] 11252,71 unequal: No Solution Exploring Operation: 97+116=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 116-97=19, Resulting Numbers: [19] 19,71 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: 71:[60, 53, 100], Operations: ['56+44=100'] Exploring Operation: 60+53=113, Resulting Numbers: [100, 113] Generated Node #0,0,0: 71:[100, 113] Operation: 60+53=113 Exploring Operation: 100-53=47, Resulting Numbers: [60, 47] Generated Node #0,0,1: 71:[60, 47] Operation: 100-53=47 Exploring Operation: 100-60=40, Resulting Numbers: [53, 40] Generated Node #0,0,2: 71:[53, 40] Operation: 100-60=40 Moving to Node #0,0,1 Current State: 71:[60, 47], Operations: ['56+44=100', '100-53=47'] Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 60*47=2820, Resulting Numbers: [2820] 2820,71 unequal: No Solution Exploring Operation: 60+47=107, Resulting Numbers: [107] 107,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[53, 40], Operations: ['56+44=100', '100-60=40'] Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,71 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[100, 113], Operations: ['56+44=100', '60+53=113'] Exploring Operation: 100+113=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 100*113=11300, Resulting Numbers: [11300] 11300,71 unequal: No Solution Exploring Operation: 113-100=13, Resulting Numbers: [13] 13,71 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 Current State: 71:[56, 53, 104], Operations: ['60+44=104'] Exploring Operation: 56+53=109, Resulting Numbers: [104, 109] Generated Node #0,1,0: 71:[104, 109] Operation: 56+53=109 Exploring Operation: 104-56=48, Resulting Numbers: [53, 48] Generated Node #0,1,1: 71:[53, 48] Operation: 104-56=48 Exploring Operation: 104-53=51, Resulting Numbers: [56, 51] Generated Node #0,1,2: 71:[56, 51] Operation: 104-53=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[56, 51], Operations: ['60+44=104', '104-53=51'] Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,71 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,71 unequal: No Solution No 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: 71:[53, 48], Operations: ['60+44=104', '104-56=48'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 53+48=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 53*48=2544, Resulting Numbers: [2544] 2544,71 unequal: No Solution No 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: 71:[104, 109], Operations: ['60+44=104', '56+53=109'] Exploring Operation: 104+109=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 109-104=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 104*109=11336, Resulting Numbers: [11336] 11336,71 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
[ 19, 19, 93, 21 ]
34
[ "19+19=38", "93-21=72", "72-38=34" ]
Current State: 34:[19, 19, 93, 21], Operations: [] Exploring Operation: 19+19=38, Resulting Numbers: [93, 21, 38] Generated Node #2: [93, 21, 38] from Operation: 19+19=38 Current State: 34:[93, 21, 38], Operations: ['19+19=38'] Exploring Operation: 93-21=72, Resulting Numbers: [38, 72] Generated Node #3: [38, 72] from Operation: 93-21=72 Current State: 34:[38, 72], Operations: ['19+19=38', '93-21=72'] Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[19, 19, 93, 21], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [19, 19, 72] Generated Node #0,0: 34:[19, 19, 72] Operation: 93-21=72 Exploring Operation: 93-19=74, Resulting Numbers: [19, 21, 74] Generated Node #0,1: 34:[19, 21, 74] Operation: 93-19=74 Exploring Operation: 93-19=74, Resulting Numbers: [19, 21, 74] Generated Node #0,2: 34:[19, 21, 74] Operation: 93-19=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[19, 19, 72], Operations: ['93-21=72'] Exploring Operation: 72-19=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 34:[19, 53] Operation: 72-19=53 Exploring Operation: 19/19=1, Resulting Numbers: [72, 1] Generated Node #0,0,1: 34:[72, 1] Operation: 19/19=1 Exploring Operation: 72-19=53, Resulting Numbers: [19, 53] Generated Node #0,0,2: 34:[19, 53] Operation: 72-19=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[19, 53], Operations: ['93-21=72', '72-19=53'] Exploring Operation: 19*53=1007, Resulting Numbers: [1007] 1007,34 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[19, 19, 93, 21], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [19, 19, 72] Generated Node #0,0: 34:[19, 19, 72] Operation: 93-21=72 Moving to Node #0,0 Current State: 34:[19, 19, 72], Operations: ['93-21=72'] Exploring Operation: 72-19=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 34:[19, 53] Operation: 72-19=53 Moving to Node #0,0,0 Current State: 34:[19, 53], Operations: ['93-21=72', '72-19=53'] Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 37, 25, 99, 83 ]
46
[ "37+25=62", "99-83=16", "62-16=46" ]
Current State: 46:[37, 25, 99, 83], Operations: [] Exploring Operation: 37+25=62, Resulting Numbers: [99, 83, 62] Generated Node #2: [99, 83, 62] from Operation: 37+25=62 Current State: 46:[99, 83, 62], Operations: ['37+25=62'] Exploring Operation: 99-83=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 99-83=16 Current State: 46:[62, 16], Operations: ['37+25=62', '99-83=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[37, 25, 99, 83], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [37, 25, 16] Generated Node #0,0: 46:[37, 25, 16] Operation: 99-83=16 Exploring Operation: 99-37=62, Resulting Numbers: [25, 83, 62] Generated Node #0,1: 46:[25, 83, 62] Operation: 99-37=62 Moving to Node #0,0 Current State: 46:[37, 25, 16], Operations: ['99-83=16'] Exploring Operation: 37-16=21, Resulting Numbers: [25, 21] Generated Node #0,0,0: 46:[25, 21] Operation: 37-16=21 Exploring Operation: 37+16=53, Resulting Numbers: [25, 53] Generated Node #0,0,1: 46:[25, 53] Operation: 37+16=53 Moving to Node #0,1 Current State: 46:[25, 83, 62], Operations: ['99-37=62'] Exploring Operation: 83-62=21, Resulting Numbers: [25, 21] Generated Node #0,1,0: 46:[25, 21] Operation: 83-62=21 Exploring Operation: 83-25=58, Resulting Numbers: [62, 58] Generated Node #0,1,1: 46:[62, 58] Operation: 83-25=58 Moving to Node #0,0,0 Current State: 46:[25, 21], Operations: ['99-83=16', '37-16=21'] Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[37, 25, 99, 83], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [37, 25, 16] Generated Node #0,0: 46:[37, 25, 16] Operation: 99-83=16 Moving to Node #0,0 Current State: 46:[37, 25, 16], Operations: ['99-83=16'] Exploring Operation: 37-16=21, Resulting Numbers: [25, 21] Generated Node #0,0,0: 46:[25, 21] Operation: 37-16=21 Moving to Node #0,0,0 Current State: 46:[25, 21], Operations: ['99-83=16', '37-16=21'] Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 55, 46, 66, 36 ]
62
[ "55-46=9", "36/9=4", "66-4=62" ]
Current State: 62:[55, 46, 66, 36], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [66, 36, 9] Generated Node #2: [66, 36, 9] from Operation: 55-46=9 Current State: 62:[66, 36, 9], Operations: ['55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [66, 4] Generated Node #3: [66, 4] from Operation: 36/9=4 Current State: 62:[66, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[55, 46, 66, 36], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [66, 36, 9] Generated Node #0,0: 62:[66, 36, 9] Operation: 55-46=9 Exploring Operation: 46-36=10, Resulting Numbers: [55, 66, 10] Generated Node #0,1: 62:[55, 66, 10] Operation: 46-36=10 Exploring Operation: 66-36=30, Resulting Numbers: [55, 46, 30] Generated Node #0,2: 62:[55, 46, 30] Operation: 66-36=30 Exploring Operation: 66-46=20, Resulting Numbers: [55, 36, 20] Generated Node #0,3: 62:[55, 36, 20] Operation: 66-46=20 Moving to Node #0,0 Current State: 62:[66, 36, 9], Operations: ['55-46=9'] Exploring Operation: 66-9=57, Resulting Numbers: [36, 57] Generated Node #0,0,0: 62:[36, 57] Operation: 66-9=57 Exploring Operation: 36-9=27, Resulting Numbers: [66, 27] Generated Node #0,0,1: 62:[66, 27] Operation: 36-9=27 Exploring Operation: 66-36=30, Resulting Numbers: [9, 30] Generated Node #0,0,2: 62:[9, 30] Operation: 66-36=30 Exploring Operation: 36/9=4, Resulting Numbers: [66, 4] Generated Node #0,0,3: 62:[66, 4] Operation: 36/9=4 Moving to Node #0,1 Current State: 62:[55, 66, 10], Operations: ['46-36=10'] Exploring Operation: 55-10=45, Resulting Numbers: [66, 45] Generated Node #0,1,0: 62:[66, 45] Operation: 55-10=45 Exploring Operation: 66-10=56, Resulting Numbers: [55, 56] Generated Node #0,1,1: 62:[55, 56] Operation: 66-10=56 Exploring Operation: 55+10=65, Resulting Numbers: [66, 65] Generated Node #0,1,2: 62:[66, 65] Operation: 55+10=65 Exploring Operation: 66-55=11, Resulting Numbers: [10, 11] Generated Node #0,1,3: 62:[10, 11] Operation: 66-55=11 Moving to Node #0,3 Current State: 62:[55, 36, 20], Operations: ['66-46=20'] Exploring Operation: 55-20=35, Resulting Numbers: [36, 35] Generated Node #0,3,0: 62:[36, 35] Operation: 55-20=35 Exploring Operation: 55+20=75, Resulting Numbers: [36, 75] Generated Node #0,3,1: 62:[36, 75] Operation: 55+20=75 Exploring Operation: 36+20=56, Resulting Numbers: [55, 56] Generated Node #0,3,2: 62:[55, 56] Operation: 36+20=56 Exploring Operation: 36-20=16, Resulting Numbers: [55, 16] Generated Node #0,3,3: 62:[55, 16] Operation: 36-20=16 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[36, 35], Operations: ['66-46=20', '55-20=35'] Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,62 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[55, 56], Operations: ['66-46=20', '36+20=56'] Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,62 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[36, 75], Operations: ['66-46=20', '55+20=75'] Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,62 unequal: No Solution Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[55, 16], Operations: ['66-46=20', '36-20=16'] Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 55*16=880, Resulting Numbers: [880] 880,62 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 62:[55, 46, 30], Operations: ['66-36=30'] Exploring Operation: 46+30=76, Resulting Numbers: [55, 76] Generated Node #0,2,0: 62:[55, 76] Operation: 46+30=76 Exploring Operation: 46-30=16, Resulting Numbers: [55, 16] Generated Node #0,2,1: 62:[55, 16] Operation: 46-30=16 Exploring Operation: 55-30=25, Resulting Numbers: [46, 25] Generated Node #0,2,2: 62:[46, 25] Operation: 55-30=25 Exploring Operation: 55-46=9, Resulting Numbers: [30, 9] Generated Node #0,2,3: 62:[30, 9] Operation: 55-46=9 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[30, 9], Operations: ['66-36=30', '55-46=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,62 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[55, 76], Operations: ['66-36=30', '46+30=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,62 unequal: No Solution Exploring Operation: 55*76=4180, Resulting Numbers: [4180] 4180,62 unequal: No Solution Exploring Operation: 55+76=131, Resulting Numbers: [131] 131,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[55, 16], Operations: ['66-36=30', '46-30=16'] Exploring Operation: 55*16=880, Resulting Numbers: [880] 880,62 unequal: No Solution Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[46, 25], Operations: ['66-36=30', '55-30=25'] Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,62 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 62:[66, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,62 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[55, 46, 66, 36], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [66, 36, 9] Generated Node #0,0: 62:[66, 36, 9] Operation: 55-46=9 Moving to Node #0,0 Current State: 62:[66, 36, 9], Operations: ['55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [66, 4] Generated Node #0,0,3: 62:[66, 4] Operation: 36/9=4 Moving to Node #0,0,3 Current State: 62:[66, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 96, 64, 16, 81 ]
91
[ "96+64=160", "160/16=10", "81+10=91" ]
Current State: 91:[96, 64, 16, 81], Operations: [] Exploring Operation: 96+64=160, Resulting Numbers: [16, 81, 160] Generated Node #2: [16, 81, 160] from Operation: 96+64=160 Current State: 91:[16, 81, 160], Operations: ['96+64=160'] Exploring Operation: 160/16=10, Resulting Numbers: [81, 10] Generated Node #3: [81, 10] from Operation: 160/16=10 Current State: 91:[81, 10], Operations: ['96+64=160', '160/16=10'] Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[96, 64, 16, 81], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [96, 16, 17] Generated Node #0,0: 91:[96, 16, 17] Operation: 81-64=17 Exploring Operation: 64/16=4, Resulting Numbers: [96, 81, 4] Generated Node #0,1: 91:[96, 81, 4] Operation: 64/16=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[96, 16, 17], Operations: ['81-64=17'] Exploring Operation: 17-16=1, Resulting Numbers: [96, 1] Generated Node #0,0,0: 91:[96, 1] Operation: 17-16=1 Exploring Operation: 96/16=6, Resulting Numbers: [17, 6] Generated Node #0,0,1: 91:[17, 6] Operation: 96/16=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[17, 6], Operations: ['81-64=17', '96/16=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,91 unequal: No Solution No 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: 91:[96, 1], Operations: ['81-64=17', '17-16=1'] Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,91 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,91 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: 91:[96, 81, 4], Operations: ['64/16=4'] Exploring Operation: 96-4=92, Resulting Numbers: [81, 92] Generated Node #0,1,0: 91:[81, 92] Operation: 96-4=92 Exploring Operation: 96-81=15, Resulting Numbers: [4, 15] Generated Node #0,1,1: 91:[4, 15] Operation: 96-81=15 Moving to Node #0,1,1 Current State: 91:[4, 15], Operations: ['64/16=4', '96-81=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[81, 92], Operations: ['64/16=4', '96-4=92'] Exploring Operation: 81+92=173, Resulting Numbers: [173] 173,91 unequal: No Solution Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,91 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
[ 63, 57, 38, 61 ]
21
[ "63+57=120", "38+61=99", "120-99=21" ]
Current State: 21:[63, 57, 38, 61], Operations: [] Exploring Operation: 63+57=120, Resulting Numbers: [38, 61, 120] Generated Node #2: [38, 61, 120] from Operation: 63+57=120 Current State: 21:[38, 61, 120], Operations: ['63+57=120'] Exploring Operation: 38+61=99, Resulting Numbers: [120, 99] Generated Node #3: [120, 99] from Operation: 38+61=99 Current State: 21:[120, 99], Operations: ['63+57=120', '38+61=99'] Exploring Operation: 120-99=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[63, 57, 38, 61], Operations: [] Exploring Operation: 63-38=25, Resulting Numbers: [57, 61, 25] Generated Node #0,0: 21:[57, 61, 25] Operation: 63-38=25 Exploring Operation: 63-57=6, Resulting Numbers: [38, 61, 6] Generated Node #0,1: 21:[38, 61, 6] Operation: 63-57=6 Exploring Operation: 61-57=4, Resulting Numbers: [63, 38, 4] Generated Node #0,2: 21:[63, 38, 4] Operation: 61-57=4 Exploring Operation: 63-61=2, Resulting Numbers: [57, 38, 2] Generated Node #0,3: 21:[57, 38, 2] Operation: 63-61=2 Moving to Node #0,3 Current State: 21:[57, 38, 2], Operations: ['63-61=2'] Exploring Operation: 57-2=55, Resulting Numbers: [38, 55] Generated Node #0,3,0: 21:[38, 55] Operation: 57-2=55 Exploring Operation: 57-38=19, Resulting Numbers: [2, 19] Generated Node #0,3,1: 21:[2, 19] Operation: 57-38=19 Exploring Operation: 38-2=36, Resulting Numbers: [57, 36] Generated Node #0,3,2: 21:[57, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [57, 19] Generated Node #0,3,3: 21:[57, 19] Operation: 38/2=19 Moving to Node #0,1 Current State: 21:[38, 61, 6], Operations: ['63-57=6'] Exploring Operation: 38-6=32, Resulting Numbers: [61, 32] Generated Node #0,1,0: 21:[61, 32] Operation: 38-6=32 Exploring Operation: 61-6=55, Resulting Numbers: [38, 55] Generated Node #0,1,1: 21:[38, 55] Operation: 61-6=55 Exploring Operation: 61-38=23, Resulting Numbers: [6, 23] Generated Node #0,1,2: 21:[6, 23] Operation: 61-38=23 Exploring Operation: 38+6=44, Resulting Numbers: [61, 44] Generated Node #0,1,3: 21:[61, 44] Operation: 38+6=44 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[6, 23], Operations: ['63-57=6', '61-38=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[61, 32], Operations: ['63-57=6', '38-6=32'] Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,21 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[38, 55], Operations: ['63-57=6', '61-6=55'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,21 unequal: No Solution Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 21:[61, 44], Operations: ['63-57=6', '38+6=44'] Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,21 unequal: No Solution Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 21:[63, 38, 4], Operations: ['61-57=4'] Exploring Operation: 63-38=25, Resulting Numbers: [4, 25] Generated Node #0,2,0: 21:[4, 25] Operation: 63-38=25 Exploring Operation: 63-4=59, Resulting Numbers: [38, 59] Generated Node #0,2,1: 21:[38, 59] Operation: 63-4=59 Exploring Operation: 63+4=67, Resulting Numbers: [38, 67] Generated Node #0,2,2: 21:[38, 67] Operation: 63+4=67 Exploring Operation: 38-4=34, Resulting Numbers: [63, 34] Generated Node #0,2,3: 21:[63, 34] Operation: 38-4=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[4, 25], Operations: ['61-57=4', '63-38=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,21 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[63, 57, 38, 61], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [63, 38, 4] Generated Node #0,2: 21:[63, 38, 4] Operation: 61-57=4 Moving to Node #0,2 Current State: 21:[63, 38, 4], Operations: ['61-57=4'] Exploring Operation: 63-38=25, Resulting Numbers: [4, 25] Generated Node #0,2,0: 21:[4, 25] Operation: 63-38=25 Moving to Node #0,2,0 Current State: 21:[4, 25], Operations: ['61-57=4', '63-38=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 65, 68, 2, 57 ]
95
[ "65+68=133", "57+133=190", "190/2=95" ]
Current State: 95:[65, 68, 2, 57], Operations: [] Exploring Operation: 65+68=133, Resulting Numbers: [2, 57, 133] Generated Node #2: [2, 57, 133] from Operation: 65+68=133 Current State: 95:[2, 57, 133], Operations: ['65+68=133'] Exploring Operation: 57+133=190, Resulting Numbers: [2, 190] Generated Node #3: [2, 190] from Operation: 57+133=190 Current State: 95:[2, 190], Operations: ['65+68=133', '57+133=190'] Exploring Operation: 190/2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[65, 68, 2, 57], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [65, 2, 11] Generated Node #0,0: 95:[65, 2, 11] Operation: 68-57=11 Exploring Operation: 65-57=8, Resulting Numbers: [68, 2, 8] Generated Node #0,1: 95:[68, 2, 8] Operation: 65-57=8 Moving to Node #0,1 Current State: 95:[68, 2, 8], Operations: ['65-57=8'] Exploring Operation: 68/2=34, Resulting Numbers: [8, 34] Generated Node #0,1,0: 95:[8, 34] Operation: 68/2=34 Exploring Operation: 68+8=76, Resulting Numbers: [2, 76] Generated Node #0,1,1: 95:[2, 76] Operation: 68+8=76 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[8, 34], Operations: ['65-57=8', '68/2=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[2, 76], Operations: ['65-57=8', '68+8=76'] Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,95 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,95 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: 95:[65, 2, 11], Operations: ['68-57=11'] Exploring Operation: 65+11=76, Resulting Numbers: [2, 76] Generated Node #0,0,0: 95:[2, 76] Operation: 65+11=76 Exploring Operation: 2*11=22, Resulting Numbers: [65, 22] Generated Node #0,0,1: 95:[65, 22] Operation: 2*11=22 Moving to Node #0,0,0 Current State: 95:[2, 76], Operations: ['68-57=11', '65+11=76'] Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,95 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[65, 22], Operations: ['68-57=11', '2*11=22'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,95 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,95 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 26, 5, 54, 37 ]
38
[ "26-5=21", "54-37=17", "21+17=38" ]
Current State: 38:[26, 5, 54, 37], Operations: [] Exploring Operation: 26-5=21, Resulting Numbers: [54, 37, 21] Generated Node #2: [54, 37, 21] from Operation: 26-5=21 Current State: 38:[54, 37, 21], Operations: ['26-5=21'] Exploring Operation: 54-37=17, Resulting Numbers: [21, 17] Generated Node #3: [21, 17] from Operation: 54-37=17 Current State: 38:[21, 17], Operations: ['26-5=21', '54-37=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[26, 5, 54, 37], Operations: [] Exploring Operation: 26-5=21, Resulting Numbers: [54, 37, 21] Generated Node #0,0: 38:[54, 37, 21] Operation: 26-5=21 Exploring Operation: 54-26=28, Resulting Numbers: [5, 37, 28] Generated Node #0,1: 38:[5, 37, 28] Operation: 54-26=28 Exploring Operation: 54-37=17, Resulting Numbers: [26, 5, 17] Generated Node #0,2: 38:[26, 5, 17] Operation: 54-37=17 Exploring Operation: 54-5=49, Resulting Numbers: [26, 37, 49] Generated Node #0,3: 38:[26, 37, 49] Operation: 54-5=49 Exploring Operation: 26+5=31, Resulting Numbers: [54, 37, 31] Generated Node #0,4: 38:[54, 37, 31] Operation: 26+5=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[26, 5, 17], Operations: ['54-37=17'] Exploring Operation: 26-5=21, Resulting Numbers: [17, 21] Generated Node #0,2,0: 38:[17, 21] Operation: 26-5=21 Exploring Operation: 26+5=31, Resulting Numbers: [17, 31] Generated Node #0,2,1: 38:[17, 31] Operation: 26+5=31 Exploring Operation: 26+17=43, Resulting Numbers: [5, 43] Generated Node #0,2,2: 38:[5, 43] Operation: 26+17=43 Exploring Operation: 5+17=22, Resulting Numbers: [26, 22] Generated Node #0,2,3: 38:[26, 22] Operation: 5+17=22 Exploring Operation: 26-17=9, Resulting Numbers: [5, 9] Generated Node #0,2,4: 38:[5, 9] Operation: 26-17=9 Moving to Node #0,2,0 Current State: 38:[17, 21], Operations: ['54-37=17', '26-5=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,38 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[26, 5, 54, 37], Operations: [] Exploring Operation: 54-37=17, Resulting Numbers: [26, 5, 17] Generated Node #0,2: 38:[26, 5, 17] Operation: 54-37=17 Moving to Node #0,2 Current State: 38:[26, 5, 17], Operations: ['54-37=17'] Exploring Operation: 26-5=21, Resulting Numbers: [17, 21] Generated Node #0,2,0: 38:[17, 21] Operation: 26-5=21 Moving to Node #0,2,0 Current State: 38:[17, 21], Operations: ['54-37=17', '26-5=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 3, 78, 65, 97 ]
20
[ "3*65=195", "78+97=175", "195-175=20" ]
Current State: 20:[3, 78, 65, 97], Operations: [] Exploring Operation: 3*65=195, Resulting Numbers: [78, 97, 195] Generated Node #2: [78, 97, 195] from Operation: 3*65=195 Current State: 20:[78, 97, 195], Operations: ['3*65=195'] Exploring Operation: 78+97=175, Resulting Numbers: [195, 175] Generated Node #3: [195, 175] from Operation: 78+97=175 Current State: 20:[195, 175], Operations: ['3*65=195', '78+97=175'] Exploring Operation: 195-175=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[3, 78, 65, 97], Operations: [] Exploring Operation: 78-3=75, Resulting Numbers: [65, 97, 75] Generated Node #0,0: 20:[65, 97, 75] Operation: 78-3=75 Exploring Operation: 78/3=26, Resulting Numbers: [65, 97, 26] Generated Node #0,1: 20:[65, 97, 26] Operation: 78/3=26 Exploring Operation: 78-65=13, Resulting Numbers: [3, 97, 13] Generated Node #0,2: 20:[3, 97, 13] Operation: 78-65=13 Exploring Operation: 97-65=32, Resulting Numbers: [3, 78, 32] Generated Node #0,3: 20:[3, 78, 32] Operation: 97-65=32 Exploring Operation: 97-78=19, Resulting Numbers: [3, 65, 19] Generated Node #0,4: 20:[3, 65, 19] Operation: 97-78=19 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[3, 65, 19], Operations: ['97-78=19'] Exploring Operation: 3+65=68, Resulting Numbers: [19, 68] Generated Node #0,4,0: 20:[19, 68] Operation: 3+65=68 Exploring Operation: 65-19=46, Resulting Numbers: [3, 46] Generated Node #0,4,1: 20:[3, 46] Operation: 65-19=46 Exploring Operation: 65-3=62, Resulting Numbers: [19, 62] Generated Node #0,4,2: 20:[19, 62] Operation: 65-3=62 Exploring Operation: 3+19=22, Resulting Numbers: [65, 22] Generated Node #0,4,3: 20:[65, 22] Operation: 3+19=22 Exploring Operation: 19-3=16, Resulting Numbers: [65, 16] Generated Node #0,4,4: 20:[65, 16] Operation: 19-3=16 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 20:[3, 46], Operations: ['97-78=19', '65-19=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,20 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 20:[19, 62], Operations: ['97-78=19', '65-3=62'] Exploring Operation: 19*62=1178, Resulting Numbers: [1178] 1178,20 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 19+62=81, Resulting Numbers: [81] 81,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 20:[65, 22], Operations: ['97-78=19', '3+19=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,20 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 20:[19, 68], Operations: ['97-78=19', '3+65=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 20:[65, 16], Operations: ['97-78=19', '19-3=16'] Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 65*16=1040, Resulting Numbers: [1040] 1040,20 unequal: No Solution Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[3, 78, 32], Operations: ['97-65=32'] Exploring Operation: 3+78=81, Resulting Numbers: [32, 81] Generated Node #0,3,0: 20:[32, 81] Operation: 3+78=81 Exploring Operation: 78/3=26, Resulting Numbers: [32, 26] Generated Node #0,3,1: 20:[32, 26] Operation: 78/3=26 Exploring Operation: 78-32=46, Resulting Numbers: [3, 46] Generated Node #0,3,2: 20:[3, 46] Operation: 78-32=46 Exploring Operation: 78-3=75, Resulting Numbers: [32, 75] Generated Node #0,3,3: 20:[32, 75] Operation: 78-3=75 Exploring Operation: 32-3=29, Resulting Numbers: [78, 29] Generated Node #0,3,4: 20:[78, 29] Operation: 32-3=29 Moving to Node #0,3,1 Current State: 20:[32, 26], Operations: ['97-65=32', '78/3=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 32*26=832, Resulting Numbers: [832] 832,20 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[3, 46], Operations: ['97-65=32', '78-32=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[32, 75], Operations: ['97-65=32', '78-3=75'] Exploring Operation: 32*75=2400, Resulting Numbers: [2400] 2400,20 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,3,4 Current State: 20:[78, 29], Operations: ['97-65=32', '32-3=29'] Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,20 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[32, 81], Operations: ['97-65=32', '3+78=81'] Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 32+81=113, Resulting Numbers: [113] 113,20 unequal: No Solution Exploring Operation: 32*81=2592, Resulting Numbers: [2592] 2592,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[3, 97, 13], Operations: ['78-65=13'] Exploring Operation: 3+13=16, Resulting Numbers: [97, 16] Generated Node #0,2,0: 20:[97, 16] Operation: 3+13=16 Exploring Operation: 97-13=84, Resulting Numbers: [3, 84] Generated Node #0,2,1: 20:[3, 84] Operation: 97-13=84 Exploring Operation: 13-3=10, Resulting Numbers: [97, 10] Generated Node #0,2,2: 20:[97, 10] Operation: 13-3=10 Exploring Operation: 3+97=100, Resulting Numbers: [13, 100] Generated Node #0,2,3: 20:[13, 100] Operation: 3+97=100 Exploring Operation: 97-3=94, Resulting Numbers: [13, 94] Generated Node #0,2,4: 20:[13, 94] Operation: 97-3=94 Moving to Node #0,2,1 Current State: 20:[3, 84], Operations: ['78-65=13', '97-13=84'] Exploring Operation: 3*84=252, Resulting Numbers: [252] 252,20 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,20 unequal: No Solution Moving to Node #0,2,4 Current State: 20:[13, 94], Operations: ['78-65=13', '97-3=94'] Exploring Operation: 13*94=1222, Resulting Numbers: [1222] 1222,20 unequal: No Solution Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,20 unequal: No Solution Exploring Operation: 13+94=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[97, 10], Operations: ['78-65=13', '13-3=10'] Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,20 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[97, 16], Operations: ['78-65=13', '3+13=16'] Exploring Operation: 97+16=113, Resulting Numbers: [113] 113,20 unequal: No Solution Exploring Operation: 97*16=1552, Resulting Numbers: [1552] 1552,20 unequal: No Solution Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[13, 100], Operations: ['78-65=13', '3+97=100'] Exploring Operation: 13*100=1300, Resulting Numbers: [1300] 1300,20 unequal: No Solution Exploring Operation: 13+100=113, Resulting Numbers: [113] 113,20 unequal: No Solution Exploring Operation: 100-13=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[65, 97, 26], Operations: ['78/3=26'] Exploring Operation: 65+97=162, Resulting Numbers: [26, 162] Generated Node #0,1,0: 20:[26, 162] Operation: 65+97=162 Exploring Operation: 97-65=32, Resulting Numbers: [26, 32] Generated Node #0,1,1: 20:[26, 32] Operation: 97-65=32 Exploring Operation: 65-26=39, Resulting Numbers: [97, 39] Generated Node #0,1,2: 20:[97, 39] Operation: 65-26=39 Exploring Operation: 65+26=91, Resulting Numbers: [97, 91] Generated Node #0,1,3: 20:[97, 91] Operation: 65+26=91 Exploring Operation: 97-26=71, Resulting Numbers: [65, 71] Generated Node #0,1,4: 20:[65, 71] Operation: 97-26=71 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[26, 32], Operations: ['78/3=26', '97-65=32'] Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,20 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[97, 39], Operations: ['78/3=26', '65-26=39'] Exploring Operation: 97*39=3783, Resulting Numbers: [3783] 3783,20 unequal: No Solution Exploring Operation: 97+39=136, Resulting Numbers: [136] 136,20 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 20:[65, 71], Operations: ['78/3=26', '97-26=71'] Exploring Operation: 65+71=136, Resulting Numbers: [136] 136,20 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 65*71=4615, Resulting Numbers: [4615] 4615,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[26, 162], Operations: ['78/3=26', '65+97=162'] Exploring Operation: 26*162=4212, Resulting Numbers: [4212] 4212,20 unequal: No Solution Exploring Operation: 162-26=136, Resulting Numbers: [136] 136,20 unequal: No Solution Exploring Operation: 26+162=188, Resulting Numbers: [188] 188,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 20:[97, 91], Operations: ['78/3=26', '65+26=91'] Exploring Operation: 97*91=8827, Resulting Numbers: [8827] 8827,20 unequal: No Solution Exploring Operation: 97+91=188, Resulting Numbers: [188] 188,20 unequal: No Solution Exploring Operation: 97-91=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[65, 97, 75], Operations: ['78-3=75'] Exploring Operation: 65+97=162, Resulting Numbers: [75, 162] Generated Node #0,0,0: 20:[75, 162] Operation: 65+97=162 Exploring Operation: 65+75=140, Resulting Numbers: [97, 140] Generated Node #0,0,1: 20:[97, 140] Operation: 65+75=140 Exploring Operation: 97-65=32, Resulting Numbers: [75, 32] Generated Node #0,0,2: 20:[75, 32] Operation: 97-65=32 Exploring Operation: 75-65=10, Resulting Numbers: [97, 10] Generated Node #0,0,3: 20:[97, 10] Operation: 75-65=10 Exploring Operation: 97-75=22, Resulting Numbers: [65, 22] Generated Node #0,0,4: 20:[65, 22] Operation: 97-75=22 Moving to Node #0,0,4 Current State: 20:[65, 22], Operations: ['78-3=75', '97-75=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,20 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[75, 32], Operations: ['78-3=75', '97-65=32'] Exploring Operation: 75*32=2400, Resulting Numbers: [2400] 2400,20 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 75+32=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[97, 10], Operations: ['78-3=75', '75-65=10'] Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,20 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[75, 162], Operations: ['78-3=75', '65+97=162'] Exploring Operation: 162-75=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 75+162=237, Resulting Numbers: [237] 237,20 unequal: No Solution Exploring Operation: 75*162=12150, Resulting Numbers: [12150] 12150,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[97, 140], Operations: ['78-3=75', '65+75=140'] Exploring Operation: 97+140=237, Resulting Numbers: [237] 237,20 unequal: No Solution Exploring Operation: 140-97=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 97*140=13580, Resulting Numbers: [13580] 13580,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 32, 16, 2, 13 ]
53
[ "32+13=45", "16/2=8", "45+8=53" ]
Current State: 53:[32, 16, 2, 13], Operations: [] Exploring Operation: 32+13=45, Resulting Numbers: [16, 2, 45] Generated Node #2: [16, 2, 45] from Operation: 32+13=45 Current State: 53:[16, 2, 45], Operations: ['32+13=45'] Exploring Operation: 16/2=8, Resulting Numbers: [45, 8] Generated Node #3: [45, 8] from Operation: 16/2=8 Current State: 53:[45, 8], Operations: ['32+13=45', '16/2=8'] Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[32, 16, 2, 13], Operations: [] Exploring Operation: 32+2=34, Resulting Numbers: [16, 13, 34] Generated Node #0,0: 53:[16, 13, 34] Operation: 32+2=34 Exploring Operation: 2*13=26, Resulting Numbers: [32, 16, 26] Generated Node #0,1: 53:[32, 16, 26] Operation: 2*13=26 Exploring Operation: 32+16=48, Resulting Numbers: [2, 13, 48] Generated Node #0,2: 53:[2, 13, 48] Operation: 32+16=48 Exploring Operation: 16*2=32, Resulting Numbers: [32, 13, 32] Generated Node #0,3: 53:[32, 13, 32] Operation: 16*2=32 Exploring Operation: 32*2=64, Resulting Numbers: [16, 13, 64] Generated Node #0,4: 53:[16, 13, 64] Operation: 32*2=64 Moving to Node #0,3 Current State: 53:[32, 13, 32], Operations: ['16*2=32'] Exploring Operation: 32+32=64, Resulting Numbers: [13, 64] Generated Node #0,3,0: 53:[13, 64] Operation: 32+32=64 Exploring Operation: 32+13=45, Resulting Numbers: [32, 45] Generated Node #0,3,1: 53:[32, 45] Operation: 32+13=45 Exploring Operation: 13+32=45, Resulting Numbers: [32, 45] Generated Node #0,3,2: 53:[32, 45] Operation: 13+32=45 Exploring Operation: 32-13=19, Resulting Numbers: [32, 19] Generated Node #0,3,3: 53:[32, 19] Operation: 32-13=19 Exploring Operation: 32-13=19, Resulting Numbers: [32, 19] Generated Node #0,3,4: 53:[32, 19] Operation: 32-13=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 53:[32, 45], Operations: ['16*2=32', '32+13=45'] Exploring Operation: 32+45=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 32*45=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[32, 45], Operations: ['16*2=32', '13+32=45'] Exploring Operation: 32+45=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 32*45=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[13, 64], Operations: ['16*2=32', '32+32=64'] Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 13*64=832, Resulting Numbers: [832] 832,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 53:[32, 19], Operations: ['16*2=32', '32-13=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 53:[32, 19], Operations: ['16*2=32', '32-13=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,53 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 53:[32, 16, 26], Operations: ['2*13=26'] Exploring Operation: 26-16=10, Resulting Numbers: [32, 10] Generated Node #0,1,0: 53:[32, 10] Operation: 26-16=10 Exploring Operation: 32+26=58, Resulting Numbers: [16, 58] Generated Node #0,1,1: 53:[16, 58] Operation: 32+26=58 Exploring Operation: 32-16=16, Resulting Numbers: [26, 16] Generated Node #0,1,2: 53:[26, 16] Operation: 32-16=16 Exploring Operation: 32+16=48, Resulting Numbers: [26, 48] Generated Node #0,1,3: 53:[26, 48] Operation: 32+16=48 Exploring Operation: 16+26=42, Resulting Numbers: [32, 42] Generated Node #0,1,4: 53:[32, 42] Operation: 16+26=42 Moving to Node #0,4 Current State: 53:[16, 13, 64], Operations: ['32*2=64'] Exploring Operation: 13+64=77, Resulting Numbers: [16, 77] Generated Node #0,4,0: 53:[16, 77] Operation: 13+64=77 Exploring Operation: 16+13=29, Resulting Numbers: [64, 29] Generated Node #0,4,1: 53:[64, 29] Operation: 16+13=29 Exploring Operation: 64-13=51, Resulting Numbers: [16, 51] Generated Node #0,4,2: 53:[16, 51] Operation: 64-13=51 Exploring Operation: 16-13=3, Resulting Numbers: [64, 3] Generated Node #0,4,3: 53:[64, 3] Operation: 16-13=3 Exploring Operation: 64-16=48, Resulting Numbers: [13, 48] Generated Node #0,4,4: 53:[13, 48] Operation: 64-16=48 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[64, 29], Operations: ['32*2=64', '16+13=29'] Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,53 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,53 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 #0,4,2 Current State: 53:[16, 51], Operations: ['32*2=64', '64-13=51'] Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,53 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 #0,4,4 Current State: 53:[13, 48], Operations: ['32*2=64', '64-16=48'] Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,53 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,53 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 #0,4,0 Current State: 53:[16, 77], Operations: ['32*2=64', '13+64=77'] Exploring Operation: 16+77=93, Resulting Numbers: [93] 93,53 unequal: No Solution Exploring Operation: 16*77=1232, Resulting Numbers: [1232] 1232,53 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,53 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 #0,4,3 Current State: 53:[64, 3], Operations: ['32*2=64', '16-13=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,53 unequal: No Solution Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 64*3=192, Resulting Numbers: [192] 192,53 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: 53:[16, 13, 34], Operations: ['32+2=34'] Exploring Operation: 16-13=3, Resulting Numbers: [34, 3] Generated Node #0,0,0: 53:[34, 3] Operation: 16-13=3 Exploring Operation: 16+13=29, Resulting Numbers: [34, 29] Generated Node #0,0,1: 53:[34, 29] Operation: 16+13=29 Exploring Operation: 34-13=21, Resulting Numbers: [16, 21] Generated Node #0,0,2: 53:[16, 21] Operation: 34-13=21 Exploring Operation: 13+34=47, Resulting Numbers: [16, 47] Generated Node #0,0,3: 53:[16, 47] Operation: 13+34=47 Exploring Operation: 16+34=50, Resulting Numbers: [13, 50] Generated Node #0,0,4: 53:[13, 50] Operation: 16+34=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[34, 29], Operations: ['32+2=34', '16+13=29'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,53 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,53 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,53 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 #0,0,3 Current State: 53:[16, 47], Operations: ['32+2=34', '13+34=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,53 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,53 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 #0,0,4 Current State: 53:[13, 50], Operations: ['32+2=34', '16+34=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,53 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,53 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:[34, 3], Operations: ['32+2=34', '16-13=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,53 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:[16, 21], Operations: ['32+2=34', '34-13=21'] Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,53 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,53 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: 53:[2, 13, 48], Operations: ['32+16=48'] Exploring Operation: 2+13=15, Resulting Numbers: [48, 15] Generated Node #0,2,0: 53:[48, 15] Operation: 2+13=15 Exploring Operation: 2+48=50, Resulting Numbers: [13, 50] Generated Node #0,2,1: 53:[13, 50] Operation: 2+48=50 Exploring Operation: 13-2=11, Resulting Numbers: [48, 11] Generated Node #0,2,2: 53:[48, 11] Operation: 13-2=11 Exploring Operation: 48-2=46, Resulting Numbers: [13, 46] Generated Node #0,2,3: 53:[13, 46] Operation: 48-2=46 Exploring Operation: 2*13=26, Resulting Numbers: [48, 26] Generated Node #0,2,4: 53:[48, 26] Operation: 2*13=26 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 53:[48, 26], Operations: ['32+16=48', '2*13=26'] Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,53 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,53 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,53 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 #0,2,0 Current State: 53:[48, 15], Operations: ['32+16=48', '2+13=15'] Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,53 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,53 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 #0,2,1 Current State: 53:[13, 50], Operations: ['32+16=48', '2+48=50'] Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,53 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,53 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 #0,2,2 Current State: 53:[48, 11], Operations: ['32+16=48', '13-2=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,53 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 #0,2,3 Current State: 53:[13, 46], Operations: ['32+16=48', '48-2=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 53:[26, 48], Operations: ['2*13=26', '32+16=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,53 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[32, 42], Operations: ['2*13=26', '16+26=42'] Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,53 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[16, 58], Operations: ['2*13=26', '32+26=58'] Exploring Operation: 16*58=928, Resulting Numbers: [928] 928,53 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 16+58=74, Resulting Numbers: [74] 74,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[32, 10], Operations: ['2*13=26', '26-16=10'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,53 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[26, 16], Operations: ['2*13=26', '32-16=16'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,53 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 32, 37, 40, 15 ]
23
[ "37-32=5", "40/5=8", "15+8=23" ]
Current State: 23:[32, 37, 40, 15], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [40, 15, 5] Generated Node #2: [40, 15, 5] from Operation: 37-32=5 Current State: 23:[40, 15, 5], Operations: ['37-32=5'] Exploring Operation: 40/5=8, Resulting Numbers: [15, 8] Generated Node #3: [15, 8] from Operation: 40/5=8 Current State: 23:[15, 8], Operations: ['37-32=5', '40/5=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[32, 37, 40, 15], Operations: [] Exploring Operation: 40-15=25, Resulting Numbers: [32, 37, 25] Generated Node #0,0: 23:[32, 37, 25] Operation: 40-15=25 Moving to Node #0,0 Current State: 23:[32, 37, 25], Operations: ['40-15=25'] Exploring Operation: 37-32=5, Resulting Numbers: [25, 5] Generated Node #0,0,0: 23:[25, 5] Operation: 37-32=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[25, 5], Operations: ['40-15=25', '37-32=5'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,23 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
[ 33, 2, 40, 9 ]
61
[ "40-33=7", "9*7=63", "63-2=61" ]
Current State: 61:[33, 2, 40, 9], Operations: [] Exploring Operation: 40-33=7, Resulting Numbers: [2, 9, 7] Generated Node #2: [2, 9, 7] from Operation: 40-33=7 Current State: 61:[2, 9, 7], Operations: ['40-33=7'] Exploring Operation: 9*7=63, Resulting Numbers: [2, 63] Generated Node #3: [2, 63] from Operation: 9*7=63 Current State: 61:[2, 63], Operations: ['40-33=7', '9*7=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[33, 2, 40, 9], Operations: [] Exploring Operation: 33+2=35, Resulting Numbers: [40, 9, 35] Generated Node #0,0: 61:[40, 9, 35] Operation: 33+2=35 Exploring Operation: 2*9=18, Resulting Numbers: [33, 40, 18] Generated Node #0,1: 61:[33, 40, 18] Operation: 2*9=18 Exploring Operation: 33+9=42, Resulting Numbers: [2, 40, 42] Generated Node #0,2: 61:[2, 40, 42] Operation: 33+9=42 Exploring Operation: 33*2=66, Resulting Numbers: [40, 9, 66] Generated Node #0,3: 61:[40, 9, 66] Operation: 33*2=66 Moving to Node #0,3 Current State: 61:[40, 9, 66], Operations: ['33*2=66'] Exploring Operation: 9+66=75, Resulting Numbers: [40, 75] Generated Node #0,3,0: 61:[40, 75] Operation: 9+66=75 Exploring Operation: 40+9=49, Resulting Numbers: [66, 49] Generated Node #0,3,1: 61:[66, 49] Operation: 40+9=49 Exploring Operation: 40-9=31, Resulting Numbers: [66, 31] Generated Node #0,3,2: 61:[66, 31] Operation: 40-9=31 Exploring Operation: 66-9=57, Resulting Numbers: [40, 57] Generated Node #0,3,3: 61:[40, 57] Operation: 66-9=57 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 61:[66, 49], Operations: ['33*2=66', '40+9=49'] Exploring Operation: 66*49=3234, Resulting Numbers: [3234] 3234,61 unequal: No Solution Exploring Operation: 66+49=115, Resulting Numbers: [115] 115,61 unequal: No Solution Exploring Operation: 66-49=17, Resulting Numbers: [17] 17,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 61:[40, 57], Operations: ['33*2=66', '66-9=57'] Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,61 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[40, 75], Operations: ['33*2=66', '9+66=75'] Exploring Operation: 40+75=115, Resulting Numbers: [115] 115,61 unequal: No Solution Exploring Operation: 40*75=3000, Resulting Numbers: [3000] 3000,61 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 61:[66, 31], Operations: ['33*2=66', '40-9=31'] Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,61 unequal: No Solution Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,61 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,61 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: 61:[33, 40, 18], Operations: ['2*9=18'] Exploring Operation: 33+40=73, Resulting Numbers: [18, 73] Generated Node #0,1,0: 61:[18, 73] Operation: 33+40=73 Exploring Operation: 40+18=58, Resulting Numbers: [33, 58] Generated Node #0,1,1: 61:[33, 58] Operation: 40+18=58 Exploring Operation: 33-18=15, Resulting Numbers: [40, 15] Generated Node #0,1,2: 61:[40, 15] Operation: 33-18=15 Exploring Operation: 33+18=51, Resulting Numbers: [40, 51] Generated Node #0,1,3: 61:[40, 51] Operation: 33+18=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[33, 58], Operations: ['2*9=18', '40+18=58'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,61 unequal: No Solution Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[40, 51], Operations: ['2*9=18', '33+18=51'] Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,61 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,61 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[18, 73], Operations: ['2*9=18', '33+40=73'] Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 18*73=1314, Resulting Numbers: [1314] 1314,61 unequal: No Solution Exploring Operation: 18+73=91, Resulting Numbers: [91] 91,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[40, 15], Operations: ['2*9=18', '33-18=15'] Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,61 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,61 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: 61:[2, 40, 42], Operations: ['33+9=42'] Exploring Operation: 2*40=80, Resulting Numbers: [42, 80] Generated Node #0,2,0: 61:[42, 80] Operation: 2*40=80 Exploring Operation: 2+42=44, Resulting Numbers: [40, 44] Generated Node #0,2,1: 61:[40, 44] Operation: 2+42=44 Exploring Operation: 40-2=38, Resulting Numbers: [42, 38] Generated Node #0,2,2: 61:[42, 38] Operation: 40-2=38 Exploring Operation: 2+40=42, Resulting Numbers: [42, 42] Generated Node #0,2,3: 61:[42, 42] Operation: 2+40=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[42, 80], Operations: ['33+9=42', '2*40=80'] Exploring Operation: 42+80=122, Resulting Numbers: [122] 122,61 unequal: No Solution Exploring Operation: 42*80=3360, Resulting Numbers: [3360] 3360,61 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[40, 44], Operations: ['33+9=42', '2+42=44'] Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[42, 42], Operations: ['33+9=42', '2+40=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 42*42=1764, Resulting Numbers: [1764] 1764,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[42, 38], Operations: ['33+9=42', '40-2=38'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,61 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,61 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: 61:[40, 9, 35], Operations: ['33+2=35'] Exploring Operation: 40-9=31, Resulting Numbers: [35, 31] Generated Node #0,0,0: 61:[35, 31] Operation: 40-9=31 Exploring Operation: 9+35=44, Resulting Numbers: [40, 44] Generated Node #0,0,1: 61:[40, 44] Operation: 9+35=44 Exploring Operation: 35-9=26, Resulting Numbers: [40, 26] Generated Node #0,0,2: 61:[40, 26] Operation: 35-9=26 Exploring Operation: 40+9=49, Resulting Numbers: [35, 49] Generated Node #0,0,3: 61:[35, 49] Operation: 40+9=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[40, 44], Operations: ['33+2=35', '9+35=44'] Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,61 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[35, 49], Operations: ['33+2=35', '40+9=49'] Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,61 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[35, 31], Operations: ['33+2=35', '40-9=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,61 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[40, 26], Operations: ['33+2=35', '35-9=26'] Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,61 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,61 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
[ 90, 56, 22, 61 ]
59
[ "90+22=112", "112/56=2", "61-2=59" ]
Current State: 59:[90, 56, 22, 61], Operations: [] Exploring Operation: 90+22=112, Resulting Numbers: [56, 61, 112] Generated Node #2: [56, 61, 112] from Operation: 90+22=112 Current State: 59:[56, 61, 112], Operations: ['90+22=112'] Exploring Operation: 112/56=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 112/56=2 Current State: 59:[61, 2], Operations: ['90+22=112', '112/56=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[90, 56, 22, 61], Operations: [] Exploring Operation: 90+22=112, Resulting Numbers: [56, 61, 112] Generated Node #0,0: 59:[56, 61, 112] Operation: 90+22=112 Exploring Operation: 61-22=39, Resulting Numbers: [90, 56, 39] Generated Node #0,1: 59:[90, 56, 39] Operation: 61-22=39 Exploring Operation: 56+22=78, Resulting Numbers: [90, 61, 78] Generated Node #0,2: 59:[90, 61, 78] Operation: 56+22=78 Exploring Operation: 90-22=68, Resulting Numbers: [56, 61, 68] Generated Node #0,3: 59:[56, 61, 68] Operation: 90-22=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[56, 61, 68], Operations: ['90-22=68'] Exploring Operation: 61-56=5, Resulting Numbers: [68, 5] Generated Node #0,3,0: 59:[68, 5] Operation: 61-56=5 Exploring Operation: 68-61=7, Resulting Numbers: [56, 7] Generated Node #0,3,1: 59:[56, 7] Operation: 68-61=7 Exploring Operation: 68-56=12, Resulting Numbers: [61, 12] Generated Node #0,3,2: 59:[61, 12] Operation: 68-56=12 Exploring Operation: 56+61=117, Resulting Numbers: [68, 117] Generated Node #0,3,3: 59:[68, 117] Operation: 56+61=117 Moving to Node #0,3,2 Current State: 59:[61, 12], Operations: ['90-22=68', '68-56=12'] Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[56, 7], Operations: ['90-22=68', '68-61=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[68, 5], Operations: ['90-22=68', '61-56=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[68, 117], Operations: ['90-22=68', '56+61=117'] Exploring Operation: 68+117=185, Resulting Numbers: [185] 185,59 unequal: No Solution Exploring Operation: 117-68=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 68*117=7956, Resulting Numbers: [7956] 7956,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[90, 61, 78], Operations: ['56+22=78'] Exploring Operation: 90-61=29, Resulting Numbers: [78, 29] Generated Node #0,2,0: 59:[78, 29] Operation: 90-61=29 Exploring Operation: 90-78=12, Resulting Numbers: [61, 12] Generated Node #0,2,1: 59:[61, 12] Operation: 90-78=12 Exploring Operation: 90+61=151, Resulting Numbers: [78, 151] Generated Node #0,2,2: 59:[78, 151] Operation: 90+61=151 Exploring Operation: 78-61=17, Resulting Numbers: [90, 17] Generated Node #0,2,3: 59:[90, 17] Operation: 78-61=17 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[78, 29], Operations: ['56+22=78', '90-61=29'] Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,59 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[61, 12], Operations: ['56+22=78', '90-78=12'] Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,59 unequal: No Solution Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 59:[90, 17], Operations: ['56+22=78', '78-61=17'] Exploring Operation: 90+17=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 90*17=1530, Resulting Numbers: [1530] 1530,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[78, 151], Operations: ['56+22=78', '90+61=151'] Exploring Operation: 151-78=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 78*151=11778, Resulting Numbers: [11778] 11778,59 unequal: No Solution Exploring Operation: 78+151=229, Resulting Numbers: [229] 229,59 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: 59:[90, 56, 39], Operations: ['61-22=39'] Exploring Operation: 90-56=34, Resulting Numbers: [39, 34] Generated Node #0,1,0: 59:[39, 34] Operation: 90-56=34 Exploring Operation: 56+39=95, Resulting Numbers: [90, 95] Generated Node #0,1,1: 59:[90, 95] Operation: 56+39=95 Exploring Operation: 90+39=129, Resulting Numbers: [56, 129] Generated Node #0,1,2: 59:[56, 129] Operation: 90+39=129 Exploring Operation: 90-39=51, Resulting Numbers: [56, 51] Generated Node #0,1,3: 59:[56, 51] Operation: 90-39=51 Moving to Node #0,1,3 Current State: 59:[56, 51], Operations: ['61-22=39', '90-39=51'] Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,59 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[39, 34], Operations: ['61-22=39', '90-56=34'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,59 unequal: No Solution Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[90, 95], Operations: ['61-22=39', '56+39=95'] Exploring Operation: 90+95=185, Resulting Numbers: [185] 185,59 unequal: No Solution Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 90*95=8550, Resulting Numbers: [8550] 8550,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[56, 129], Operations: ['61-22=39', '90+39=129'] Exploring Operation: 56*129=7224, Resulting Numbers: [7224] 7224,59 unequal: No Solution Exploring Operation: 56+129=185, Resulting Numbers: [185] 185,59 unequal: No Solution Exploring Operation: 129-56=73, Resulting Numbers: [73] 73,59 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:[56, 61, 112], Operations: ['90+22=112'] Exploring Operation: 112/56=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 59:[61, 2] Operation: 112/56=2 Exploring Operation: 112-56=56, Resulting Numbers: [61, 56] Generated Node #0,0,1: 59:[61, 56] Operation: 112-56=56 Exploring Operation: 61-56=5, Resulting Numbers: [112, 5] Generated Node #0,0,2: 59:[112, 5] Operation: 61-56=5 Exploring Operation: 112-61=51, Resulting Numbers: [56, 51] Generated Node #0,0,3: 59:[56, 51] Operation: 112-61=51 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[61, 56], Operations: ['90+22=112', '112-56=56'] Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,59 unequal: No Solution Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 59:[56, 51], Operations: ['90+22=112', '112-61=51'] Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,59 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[61, 2], Operations: ['90+22=112', '112/56=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[90, 56, 22, 61], Operations: [] Exploring Operation: 90+22=112, Resulting Numbers: [56, 61, 112] Generated Node #0,0: 59:[56, 61, 112] Operation: 90+22=112 Moving to Node #0,0 Current State: 59:[56, 61, 112], Operations: ['90+22=112'] Exploring Operation: 112/56=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 59:[61, 2] Operation: 112/56=2 Moving to Node #0,0,0 Current State: 59:[61, 2], Operations: ['90+22=112', '112/56=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940104
hs_4
sum_heuristic
[ 67, 96, 44, 52 ]
21
[ "96-67=29", "52-44=8", "29-8=21" ]
Current State: 21:[67, 96, 44, 52], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [44, 52, 29] Generated Node #2: [44, 52, 29] from Operation: 96-67=29 Current State: 21:[44, 52, 29], Operations: ['96-67=29'] Exploring Operation: 52-44=8, Resulting Numbers: [29, 8] Generated Node #3: [29, 8] from Operation: 52-44=8 Current State: 21:[29, 8], Operations: ['96-67=29', '52-44=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[67, 96, 44, 52], Operations: [] Exploring Operation: 96-52=44, Resulting Numbers: [67, 44, 44] Generated Node #0,0: 21:[67, 44, 44] Operation: 96-52=44 Exploring Operation: 96-67=29, Resulting Numbers: [44, 52, 29] Generated Node #0,1: 21:[44, 52, 29] Operation: 96-67=29 Exploring Operation: 67-52=15, Resulting Numbers: [96, 44, 15] Generated Node #0,2: 21:[96, 44, 15] Operation: 67-52=15 Exploring Operation: 67-44=23, Resulting Numbers: [96, 52, 23] Generated Node #0,3: 21:[96, 52, 23] Operation: 67-44=23 Exploring Operation: 96-44=52, Resulting Numbers: [67, 52, 52] Generated Node #0,4: 21:[67, 52, 52] Operation: 96-44=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[44, 52, 29], Operations: ['96-67=29'] Exploring Operation: 52-44=8, Resulting Numbers: [29, 8] Generated Node #0,1,0: 21:[29, 8] Operation: 52-44=8 Exploring Operation: 44+52=96, Resulting Numbers: [29, 96] Generated Node #0,1,1: 21:[29, 96] Operation: 44+52=96 Exploring Operation: 44+29=73, Resulting Numbers: [52, 73] Generated Node #0,1,2: 21:[52, 73] Operation: 44+29=73 Exploring Operation: 52-29=23, Resulting Numbers: [44, 23] Generated Node #0,1,3: 21:[44, 23] Operation: 52-29=23 Exploring Operation: 44-29=15, Resulting Numbers: [52, 15] Generated Node #0,1,4: 21:[52, 15] Operation: 44-29=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[29, 8], Operations: ['96-67=29', '52-44=8'] Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[67, 96, 44, 52], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [44, 52, 29] Generated Node #0,1: 21:[44, 52, 29] Operation: 96-67=29 Moving to Node #0,1 Current State: 21:[44, 52, 29], Operations: ['96-67=29'] Exploring Operation: 52-44=8, Resulting Numbers: [29, 8] Generated Node #0,1,0: 21:[29, 8] Operation: 52-44=8 Moving to Node #0,1,0 Current State: 21:[29, 8], Operations: ['96-67=29', '52-44=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 77, 68, 31, 90 ]
68
[ "77-68=9", "90-31=59", "9+59=68" ]
Current State: 68:[77, 68, 31, 90], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [31, 90, 9] Generated Node #2: [31, 90, 9] from Operation: 77-68=9 Current State: 68:[31, 90, 9], Operations: ['77-68=9'] Exploring Operation: 90-31=59, Resulting Numbers: [9, 59] Generated Node #3: [9, 59] from Operation: 90-31=59 Current State: 68:[9, 59], Operations: ['77-68=9', '90-31=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[77, 68, 31, 90], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [68, 31, 13] Generated Node #0,0: 68:[68, 31, 13] Operation: 90-77=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[68, 31, 13], Operations: ['90-77=13'] Exploring Operation: 31-13=18, Resulting Numbers: [68, 18] Generated Node #0,0,0: 68:[68, 18] Operation: 31-13=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[68, 18], Operations: ['90-77=13', '31-13=18'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,68 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
[ 41, 21, 21, 72 ]
71
[ "41-21=20", "72-21=51", "20+51=71" ]
Current State: 71:[41, 21, 21, 72], Operations: [] Exploring Operation: 41-21=20, Resulting Numbers: [72, 20] Generated Node #2: [72, 20] from Operation: 41-21=20 Current State: 71:[72, 20], Operations: ['41-21=20'] Exploring Operation: 72-21=51, Resulting Numbers: [20, 51] Generated Node #3: [20, 51] from Operation: 72-21=51 Current State: 71:[20, 51], Operations: ['41-21=20', '72-21=51'] Exploring Operation: 20+51=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[41, 21, 21, 72], Operations: [] Exploring Operation: 72-21=51, Resulting Numbers: [41, 21, 51] Generated Node #0,0: 71:[41, 21, 51] Operation: 72-21=51 Exploring Operation: 21+21=42, Resulting Numbers: [41, 72, 42] Generated Node #0,1: 71:[41, 72, 42] Operation: 21+21=42 Exploring Operation: 41+21=62, Resulting Numbers: [21, 72, 62] Generated Node #0,2: 71:[21, 72, 62] Operation: 41+21=62 Exploring Operation: 72-21=51, Resulting Numbers: [41, 21, 51] Generated Node #0,3: 71:[41, 21, 51] Operation: 72-21=51 Exploring Operation: 41+21=62, Resulting Numbers: [21, 72, 62] Generated Node #0,4: 71:[21, 72, 62] Operation: 41+21=62 Moving to Node #0,1 Current State: 71:[41, 72, 42], Operations: ['21+21=42'] Exploring Operation: 72-42=30, Resulting Numbers: [41, 30] Generated Node #0,1,0: 71:[41, 30] Operation: 72-42=30 Exploring Operation: 72-41=31, Resulting Numbers: [42, 31] Generated Node #0,1,1: 71:[42, 31] Operation: 72-41=31 Exploring Operation: 42-41=1, Resulting Numbers: [72, 1] Generated Node #0,1,2: 71:[72, 1] Operation: 42-41=1 Exploring Operation: 41+72=113, Resulting Numbers: [42, 113] Generated Node #0,1,3: 71:[42, 113] Operation: 41+72=113 Exploring Operation: 41+42=83, Resulting Numbers: [72, 83] Generated Node #0,1,4: 71:[72, 83] Operation: 41+42=83 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 71:[72, 83], Operations: ['21+21=42', '41+42=83'] Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,71 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[42, 31], Operations: ['21+21=42', '72-41=31'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,71 unequal: No Solution Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,71 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:[41, 30], Operations: ['21+21=42', '72-42=30'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[41, 21, 21, 72], Operations: [] Exploring Operation: 21+21=42, Resulting Numbers: [41, 72, 42] Generated Node #0,1: 71:[41, 72, 42] Operation: 21+21=42 Moving to Node #0,1 Current State: 71:[41, 72, 42], Operations: ['21+21=42'] Exploring Operation: 72-42=30, Resulting Numbers: [41, 30] Generated Node #0,1,0: 71:[41, 30] Operation: 72-42=30 Moving to Node #0,1,0 Current State: 71:[41, 30], Operations: ['21+21=42', '72-42=30'] Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 33, 71, 75, 54 ]
69
[ "33+75=108", "108/54=2", "71-2=69" ]
Current State: 69:[33, 71, 75, 54], Operations: [] Exploring Operation: 33+75=108, Resulting Numbers: [71, 54, 108] Generated Node #2: [71, 54, 108] from Operation: 33+75=108 Current State: 69:[71, 54, 108], Operations: ['33+75=108'] Exploring Operation: 108/54=2, Resulting Numbers: [71, 2] Generated Node #3: [71, 2] from Operation: 108/54=2 Current State: 69:[71, 2], Operations: ['33+75=108', '108/54=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[33, 71, 75, 54], Operations: [] Exploring Operation: 54-33=21, Resulting Numbers: [71, 75, 21] Generated Node #0,0: 69:[71, 75, 21] Operation: 54-33=21 Exploring Operation: 71-54=17, Resulting Numbers: [33, 75, 17] Generated Node #0,1: 69:[33, 75, 17] Operation: 71-54=17 Exploring Operation: 75-54=21, Resulting Numbers: [33, 71, 21] Generated Node #0,2: 69:[33, 71, 21] Operation: 75-54=21 Moving to Node #0,0 Current State: 69:[71, 75, 21], Operations: ['54-33=21'] Exploring Operation: 75-71=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 69:[21, 4] Operation: 75-71=4 Exploring Operation: 71-21=50, Resulting Numbers: [75, 50] Generated Node #0,0,1: 69:[75, 50] Operation: 71-21=50 Exploring Operation: 75-21=54, Resulting Numbers: [71, 54] Generated Node #0,0,2: 69:[71, 54] Operation: 75-21=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[21, 4], Operations: ['54-33=21', '75-71=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,69 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,69 unequal: No Solution No 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: 69:[71, 54], Operations: ['54-33=21', '75-21=54'] Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,69 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,69 unequal: No Solution No 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: 69:[75, 50], Operations: ['54-33=21', '71-21=50'] Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,69 unequal: No Solution Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,69 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: 69:[33, 71, 21], Operations: ['75-54=21'] Exploring Operation: 33-21=12, Resulting Numbers: [71, 12] Generated Node #0,2,0: 69:[71, 12] Operation: 33-21=12 Exploring Operation: 71-33=38, Resulting Numbers: [21, 38] Generated Node #0,2,1: 69:[21, 38] Operation: 71-33=38 Exploring Operation: 33+21=54, Resulting Numbers: [71, 54] Generated Node #0,2,2: 69:[71, 54] Operation: 33+21=54 Moving to Node #0,1 Current State: 69:[33, 75, 17], Operations: ['71-54=17'] Exploring Operation: 75-33=42, Resulting Numbers: [17, 42] Generated Node #0,1,0: 69:[17, 42] Operation: 75-33=42 Exploring Operation: 33-17=16, Resulting Numbers: [75, 16] Generated Node #0,1,1: 69:[75, 16] Operation: 33-17=16 Exploring Operation: 75-17=58, Resulting Numbers: [33, 58] Generated Node #0,1,2: 69:[33, 58] Operation: 75-17=58 Moving to Node #0,2,0 Current State: 69:[71, 12], Operations: ['75-54=21', '33-21=12'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,69 unequal: No Solution Exploring Operation: 71*12=852, Resulting Numbers: [852] 852,69 unequal: No Solution Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[75, 16], Operations: ['71-54=17', '33-17=16'] Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,69 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,69 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[71, 54], Operations: ['75-54=21', '33+21=54'] Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,69 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[21, 38], Operations: ['75-54=21', '71-33=38'] Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,69 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,69 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[33, 58], Operations: ['71-54=17', '75-17=58'] Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,69 unequal: No Solution Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,69 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[17, 42], Operations: ['71-54=17', '75-33=42'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,69 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,69 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 19, 83, 2, 57 ]
69
[ "19+57=76", "2*76=152", "152-83=69" ]
Current State: 69:[19, 83, 2, 57], Operations: [] Exploring Operation: 19+57=76, Resulting Numbers: [83, 2, 76] Generated Node #2: [83, 2, 76] from Operation: 19+57=76 Current State: 69:[83, 2, 76], Operations: ['19+57=76'] Exploring Operation: 2*76=152, Resulting Numbers: [83, 152] Generated Node #3: [83, 152] from Operation: 2*76=152 Current State: 69:[83, 152], Operations: ['19+57=76', '2*76=152'] Exploring Operation: 152-83=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[19, 83, 2, 57], Operations: [] Exploring Operation: 83-57=26, Resulting Numbers: [19, 2, 26] Generated Node #0,0: 69:[19, 2, 26] Operation: 83-57=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[19, 2, 26], Operations: ['83-57=26'] Exploring Operation: 19+2=21, Resulting Numbers: [26, 21] Generated Node #0,0,0: 69:[26, 21] Operation: 19+2=21 Moving to Node #0,0,0 Current State: 69:[26, 21], Operations: ['83-57=26', '19+2=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,69 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
[ 87, 58, 71, 68 ]
29
[ "71-68=3", "87/3=29", "58-29=29" ]
Current State: 29:[87, 58, 71, 68], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [87, 58, 3] Generated Node #2: [87, 58, 3] from Operation: 71-68=3 Current State: 29:[87, 58, 3], Operations: ['71-68=3'] Exploring Operation: 87/3=29, Resulting Numbers: [58, 29] Generated Node #3: [58, 29] from Operation: 87/3=29 Current State: 29:[58, 29], Operations: ['71-68=3', '87/3=29'] Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[87, 58, 71, 68], Operations: [] Exploring Operation: 87-58=29, Resulting Numbers: [71, 68, 29] Generated Node #0,0: 29:[71, 68, 29] Operation: 87-58=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[71, 68, 29], Operations: ['87-58=29'] Exploring Operation: 71-68=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 29:[29, 3] Operation: 71-68=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[29, 3], Operations: ['87-58=29', '71-68=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 83, 51, 66, 33 ]
99
[ "83-66=17", "51*33=1683", "1683/17=99" ]
Current State: 99:[83, 51, 66, 33], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [51, 33, 17] Generated Node #2: [51, 33, 17] from Operation: 83-66=17 Current State: 99:[51, 33, 17], Operations: ['83-66=17'] Exploring Operation: 51*33=1683, Resulting Numbers: [17, 1683] Generated Node #3: [17, 1683] from Operation: 51*33=1683 Current State: 99:[17, 1683], Operations: ['83-66=17', '51*33=1683'] Exploring Operation: 1683/17=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[83, 51, 66, 33], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [83, 33, 15] Generated Node #0,0: 99:[83, 33, 15] Operation: 66-51=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[83, 33, 15], Operations: ['66-51=15'] Exploring Operation: 83+15=98, Resulting Numbers: [33, 98] Generated Node #0,0,0: 99:[33, 98] Operation: 83+15=98 Moving to Node #0,0,0 Current State: 99:[33, 98], Operations: ['66-51=15', '83+15=98'] Exploring Operation: 33+98=131, Resulting Numbers: [131] 131,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 46, 3, 67, 4 ]
96
[ "46-3=43", "67-43=24", "4*24=96" ]
Current State: 96:[46, 3, 67, 4], Operations: [] Exploring Operation: 46-3=43, Resulting Numbers: [67, 4, 43] Generated Node #2: [67, 4, 43] from Operation: 46-3=43 Current State: 96:[67, 4, 43], Operations: ['46-3=43'] Exploring Operation: 67-43=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 67-43=24 Current State: 96:[4, 24], Operations: ['46-3=43', '67-43=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[46, 3, 67, 4], Operations: [] Exploring Operation: 67-46=21, Resulting Numbers: [3, 4, 21] Generated Node #0,0: 96:[3, 4, 21] Operation: 67-46=21 Exploring Operation: 46+67=113, Resulting Numbers: [3, 4, 113] Generated Node #0,1: 96:[3, 4, 113] Operation: 46+67=113 Exploring Operation: 67-4=63, Resulting Numbers: [46, 3, 63] Generated Node #0,2: 96:[46, 3, 63] Operation: 67-4=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[3, 4, 21], Operations: ['67-46=21'] Exploring Operation: 4+21=25, Resulting Numbers: [3, 25] Generated Node #0,0,0: 96:[3, 25] Operation: 4+21=25 Exploring Operation: 21/3=7, Resulting Numbers: [4, 7] Generated Node #0,0,1: 96:[4, 7] Operation: 21/3=7 Exploring Operation: 3+21=24, Resulting Numbers: [4, 24] Generated Node #0,0,2: 96:[4, 24] Operation: 3+21=24 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[4, 24], Operations: ['67-46=21', '3+21=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[46, 3, 67, 4], Operations: [] Exploring Operation: 67-46=21, Resulting Numbers: [3, 4, 21] Generated Node #0,0: 96:[3, 4, 21] Operation: 67-46=21 Moving to Node #0,0 Current State: 96:[3, 4, 21], Operations: ['67-46=21'] Exploring Operation: 3+21=24, Resulting Numbers: [4, 24] Generated Node #0,0,2: 96:[4, 24] Operation: 3+21=24 Moving to Node #0,0,2 Current State: 96:[4, 24], Operations: ['67-46=21', '3+21=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 15, 4, 61, 25 ]
55
[ "15+4=19", "61-25=36", "19+36=55" ]
Current State: 55:[15, 4, 61, 25], Operations: [] Exploring Operation: 15+4=19, Resulting Numbers: [61, 25, 19] Generated Node #2: [61, 25, 19] from Operation: 15+4=19 Current State: 55:[61, 25, 19], Operations: ['15+4=19'] Exploring Operation: 61-25=36, Resulting Numbers: [19, 36] Generated Node #3: [19, 36] from Operation: 61-25=36 Current State: 55:[19, 36], Operations: ['15+4=19', '61-25=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[15, 4, 61, 25], Operations: [] Exploring Operation: 25-15=10, Resulting Numbers: [4, 61, 10] Generated Node #0,0: 55:[4, 61, 10] Operation: 25-15=10 Moving to Node #0,0 Current State: 55:[4, 61, 10], Operations: ['25-15=10'] Exploring Operation: 61-4=57, Resulting Numbers: [10, 57] Generated Node #0,0,0: 55:[10, 57] Operation: 61-4=57 Moving to Node #0,0,0 Current State: 55:[10, 57], Operations: ['25-15=10', '61-4=57'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,55 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 34, 3, 27, 32 ]
49
[ "34+32=66", "66/3=22", "27+22=49" ]
Current State: 49:[34, 3, 27, 32], Operations: [] Exploring Operation: 34+32=66, Resulting Numbers: [3, 27, 66] Generated Node #2: [3, 27, 66] from Operation: 34+32=66 Current State: 49:[3, 27, 66], Operations: ['34+32=66'] Exploring Operation: 66/3=22, Resulting Numbers: [27, 22] Generated Node #3: [27, 22] from Operation: 66/3=22 Current State: 49:[27, 22], Operations: ['34+32=66', '66/3=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[34, 3, 27, 32], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [3, 27, 2] Generated Node #0,0: 49:[3, 27, 2] Operation: 34-32=2 Exploring Operation: 27+32=59, Resulting Numbers: [34, 3, 59] Generated Node #0,1: 49:[34, 3, 59] Operation: 27+32=59 Exploring Operation: 34-27=7, Resulting Numbers: [3, 32, 7] Generated Node #0,2: 49:[3, 32, 7] Operation: 34-27=7 Exploring Operation: 32-27=5, Resulting Numbers: [34, 3, 5] Generated Node #0,3: 49:[34, 3, 5] Operation: 32-27=5 Moving to Node #0,2 Current State: 49:[3, 32, 7], Operations: ['34-27=7'] Exploring Operation: 3+32=35, Resulting Numbers: [7, 35] Generated Node #0,2,0: 49:[7, 35] Operation: 3+32=35 Exploring Operation: 3+7=10, Resulting Numbers: [32, 10] Generated Node #0,2,1: 49:[32, 10] Operation: 3+7=10 Exploring Operation: 32+7=39, Resulting Numbers: [3, 39] Generated Node #0,2,2: 49:[3, 39] Operation: 32+7=39 Exploring Operation: 32-3=29, Resulting Numbers: [7, 29] Generated Node #0,2,3: 49:[7, 29] Operation: 32-3=29 Moving to Node #0,3 Current State: 49:[34, 3, 5], Operations: ['32-27=5'] Exploring Operation: 3+5=8, Resulting Numbers: [34, 8] Generated Node #0,3,0: 49:[34, 8] Operation: 3+5=8 Exploring Operation: 34-3=31, Resulting Numbers: [5, 31] Generated Node #0,3,1: 49:[5, 31] Operation: 34-3=31 Exploring Operation: 34+3=37, Resulting Numbers: [5, 37] Generated Node #0,3,2: 49:[5, 37] Operation: 34+3=37 Exploring Operation: 34+5=39, Resulting Numbers: [3, 39] Generated Node #0,3,3: 49:[3, 39] Operation: 34+5=39 Moving to Node #0,1 Current State: 49:[34, 3, 59], Operations: ['27+32=59'] Exploring Operation: 59-3=56, Resulting Numbers: [34, 56] Generated Node #0,1,0: 49:[34, 56] Operation: 59-3=56 Exploring Operation: 34+3=37, Resulting Numbers: [59, 37] Generated Node #0,1,1: 49:[59, 37] Operation: 34+3=37 Exploring Operation: 34-3=31, Resulting Numbers: [59, 31] Generated Node #0,1,2: 49:[59, 31] Operation: 34-3=31 Exploring Operation: 59-34=25, Resulting Numbers: [3, 25] Generated Node #0,1,3: 49:[3, 25] Operation: 59-34=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[34, 56], Operations: ['27+32=59', '59-3=56'] Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,49 unequal: No Solution Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[59, 37], Operations: ['27+32=59', '34+3=37'] Exploring Operation: 59*37=2183, Resulting Numbers: [2183] 2183,49 unequal: No Solution Exploring Operation: 59+37=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[3, 25], Operations: ['27+32=59', '59-34=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,49 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[59, 31], Operations: ['27+32=59', '34-3=31'] Exploring Operation: 59+31=90, Resulting Numbers: [90] 90,49 unequal: No Solution Exploring Operation: 59*31=1829, Resulting Numbers: [1829] 1829,49 unequal: No Solution Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,49 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: 49:[3, 27, 2], Operations: ['34-32=2'] Exploring Operation: 27*2=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 49:[3, 54] Operation: 27*2=54 Exploring Operation: 27-3=24, Resulting Numbers: [2, 24] Generated Node #0,0,1: 49:[2, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [2, 9] Generated Node #0,0,2: 49:[2, 9] Operation: 27/3=9 Exploring Operation: 3*2=6, Resulting Numbers: [27, 6] Generated Node #0,0,3: 49:[27, 6] Operation: 3*2=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[2, 9], Operations: ['34-32=2', '27/3=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[3, 54], Operations: ['34-32=2', '27*2=54'] Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,49 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[27, 6], Operations: ['34-32=2', '3*2=6'] Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,49 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[2, 24], Operations: ['34-32=2', '27-3=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,49 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: 49:[7, 35], Operations: ['34-27=7', '3+32=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,49 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[3, 39], Operations: ['32-27=5', '34+5=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,49 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[3, 39], Operations: ['34-27=7', '32+7=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,49 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[5, 37], Operations: ['32-27=5', '34+3=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[34, 8], Operations: ['32-27=5', '3+5=8'] Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,49 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[32, 10], Operations: ['34-27=7', '3+7=10'] Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,49 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[5, 31], Operations: ['32-27=5', '34-3=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,49 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[7, 29], Operations: ['34-27=7', '32-3=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,49 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,49 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 25, 72, 19, 82 ]
94
[ "25-19=6", "72/6=12", "82+12=94" ]
Current State: 94:[25, 72, 19, 82], Operations: [] Exploring Operation: 25-19=6, Resulting Numbers: [72, 82, 6] Generated Node #2: [72, 82, 6] from Operation: 25-19=6 Current State: 94:[72, 82, 6], Operations: ['25-19=6'] Exploring Operation: 72/6=12, Resulting Numbers: [82, 12] Generated Node #3: [82, 12] from Operation: 72/6=12 Current State: 94:[82, 12], Operations: ['25-19=6', '72/6=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[25, 72, 19, 82], Operations: [] Exploring Operation: 72-25=47, Resulting Numbers: [19, 82, 47] Generated Node #0,0: 94:[19, 82, 47] Operation: 72-25=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[19, 82, 47], Operations: ['72-25=47'] Exploring Operation: 19+82=101, Resulting Numbers: [47, 101] Generated Node #0,0,0: 94:[47, 101] Operation: 19+82=101 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[47, 101], Operations: ['72-25=47', '19+82=101'] Exploring Operation: 101-47=54, Resulting Numbers: [54] 54,94 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 No solution found.
0
hs_1
sum_heuristic
[ 13, 84, 18, 67 ]
14
[ "84-13=71", "18+67=85", "85-71=14" ]
Current State: 14:[13, 84, 18, 67], Operations: [] Exploring Operation: 84-13=71, Resulting Numbers: [18, 67, 71] Generated Node #2: [18, 67, 71] from Operation: 84-13=71 Current State: 14:[18, 67, 71], Operations: ['84-13=71'] Exploring Operation: 18+67=85, Resulting Numbers: [71, 85] Generated Node #3: [71, 85] from Operation: 18+67=85 Current State: 14:[71, 85], Operations: ['84-13=71', '18+67=85'] Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[13, 84, 18, 67], Operations: [] Exploring Operation: 84-18=66, Resulting Numbers: [13, 67, 66] Generated Node #0,0: 14:[13, 67, 66] Operation: 84-18=66 Exploring Operation: 67-13=54, Resulting Numbers: [84, 18, 54] Generated Node #0,1: 14:[84, 18, 54] Operation: 67-13=54 Exploring Operation: 84-67=17, Resulting Numbers: [13, 18, 17] Generated Node #0,2: 14:[13, 18, 17] Operation: 84-67=17 Exploring Operation: 67-18=49, Resulting Numbers: [13, 84, 49] Generated Node #0,3: 14:[13, 84, 49] Operation: 67-18=49 Exploring Operation: 84-13=71, Resulting Numbers: [18, 67, 71] Generated Node #0,4: 14:[18, 67, 71] Operation: 84-13=71 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[13, 18, 17], Operations: ['84-67=17'] Exploring Operation: 13+18=31, Resulting Numbers: [17, 31] Generated Node #0,2,0: 14:[17, 31] Operation: 13+18=31 Exploring Operation: 18-17=1, Resulting Numbers: [13, 1] Generated Node #0,2,1: 14:[13, 1] Operation: 18-17=1 Exploring Operation: 13+17=30, Resulting Numbers: [18, 30] Generated Node #0,2,2: 14:[18, 30] Operation: 13+17=30 Exploring Operation: 17-13=4, Resulting Numbers: [18, 4] Generated Node #0,2,3: 14:[18, 4] Operation: 17-13=4 Exploring Operation: 18-13=5, Resulting Numbers: [17, 5] Generated Node #0,2,4: 14:[17, 5] Operation: 18-13=5 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 14:[13, 1], Operations: ['84-67=17', '18-17=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[13, 84, 18, 67], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [13, 18, 17] Generated Node #0,2: 14:[13, 18, 17] Operation: 84-67=17 Moving to Node #0,2 Current State: 14:[13, 18, 17], Operations: ['84-67=17'] Exploring Operation: 18-17=1, Resulting Numbers: [13, 1] Generated Node #0,2,1: 14:[13, 1] Operation: 18-17=1 Moving to Node #0,2,1 Current State: 14:[13, 1], Operations: ['84-67=17', '18-17=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 45, 3, 21, 98 ]
77
[ "45-3=42", "21+98=119", "119-42=77" ]
Current State: 77:[45, 3, 21, 98], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [21, 98, 42] Generated Node #2: [21, 98, 42] from Operation: 45-3=42 Current State: 77:[21, 98, 42], Operations: ['45-3=42'] Exploring Operation: 21+98=119, Resulting Numbers: [42, 119] Generated Node #3: [42, 119] from Operation: 21+98=119 Current State: 77:[42, 119], Operations: ['45-3=42', '21+98=119'] Exploring Operation: 119-42=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[45, 3, 21, 98], Operations: [] Exploring Operation: 45/3=15, Resulting Numbers: [21, 98, 15] Generated Node #0,0: 77:[21, 98, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[21, 98, 15], Operations: ['45/3=15'] Exploring Operation: 98-21=77, Resulting Numbers: [15, 77] Generated Node #0,0,0: 77:[15, 77] Operation: 98-21=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[15, 77], Operations: ['45/3=15', '98-21=77'] Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 36, 6, 96 ]
99
[ "36/12=3", "6+96=102", "102-3=99" ]
Current State: 99:[12, 36, 6, 96], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [6, 96, 3] Generated Node #2: [6, 96, 3] from Operation: 36/12=3 Current State: 99:[6, 96, 3], Operations: ['36/12=3'] Exploring Operation: 6+96=102, Resulting Numbers: [3, 102] Generated Node #3: [3, 102] from Operation: 6+96=102 Current State: 99:[3, 102], Operations: ['36/12=3', '6+96=102'] Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[12, 36, 6, 96], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [6, 96, 3] Generated Node #0,0: 99:[6, 96, 3] Operation: 36/12=3 Moving to Node #0,0 Current State: 99:[6, 96, 3], Operations: ['36/12=3'] Exploring Operation: 6+96=102, Resulting Numbers: [3, 102] Generated Node #0,0,0: 99:[3, 102] Operation: 6+96=102 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[3, 102], Operations: ['36/12=3', '6+96=102'] Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[12, 36, 6, 96], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [6, 96, 3] Generated Node #0,0: 99:[6, 96, 3] Operation: 36/12=3 Moving to Node #0,0 Current State: 99:[6, 96, 3], Operations: ['36/12=3'] Exploring Operation: 6+96=102, Resulting Numbers: [3, 102] Generated Node #0,0,0: 99:[3, 102] Operation: 6+96=102 Moving to Node #0,0,0 Current State: 99:[3, 102], Operations: ['36/12=3', '6+96=102'] Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 22, 36, 54 ]
33
[ "54-30=24", "22*36=792", "792/24=33" ]
Current State: 33:[30, 22, 36, 54], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [22, 36, 24] Generated Node #2: [22, 36, 24] from Operation: 54-30=24 Current State: 33:[22, 36, 24], Operations: ['54-30=24'] Exploring Operation: 22*36=792, Resulting Numbers: [24, 792] Generated Node #3: [24, 792] from Operation: 22*36=792 Current State: 33:[24, 792], Operations: ['54-30=24', '22*36=792'] Exploring Operation: 792/24=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[30, 22, 36, 54], Operations: [] Exploring Operation: 54-22=32, Resulting Numbers: [30, 36, 32] Generated Node #0,0: 33:[30, 36, 32] Operation: 54-22=32 Exploring Operation: 36-22=14, Resulting Numbers: [30, 54, 14] Generated Node #0,1: 33:[30, 54, 14] Operation: 36-22=14 Exploring Operation: 54-30=24, Resulting Numbers: [22, 36, 24] Generated Node #0,2: 33:[22, 36, 24] Operation: 54-30=24 Exploring Operation: 30-22=8, Resulting Numbers: [36, 54, 8] Generated Node #0,3: 33:[36, 54, 8] Operation: 30-22=8 Exploring Operation: 54-36=18, Resulting Numbers: [30, 22, 18] Generated Node #0,4: 33:[30, 22, 18] Operation: 54-36=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[30, 36, 32], Operations: ['54-22=32'] Exploring Operation: 36-30=6, Resulting Numbers: [32, 6] Generated Node #0,0,0: 33:[32, 6] Operation: 36-30=6 Exploring Operation: 36-32=4, Resulting Numbers: [30, 4] Generated Node #0,0,1: 33:[30, 4] Operation: 36-32=4 Exploring Operation: 30+32=62, Resulting Numbers: [36, 62] Generated Node #0,0,2: 33:[36, 62] Operation: 30+32=62 Exploring Operation: 32-30=2, Resulting Numbers: [36, 2] Generated Node #0,0,3: 33:[36, 2] Operation: 32-30=2 Exploring Operation: 30+36=66, Resulting Numbers: [32, 66] Generated Node #0,0,4: 33:[32, 66] Operation: 30+36=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[32, 6], Operations: ['54-22=32', '36-30=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,33 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,33 unequal: No Solution No 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: 33:[30, 4], Operations: ['54-22=32', '36-32=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,33 unequal: No Solution No 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: 33:[36, 2], Operations: ['54-22=32', '32-30=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,33 unequal: No Solution No 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: 33:[36, 62], Operations: ['54-22=32', '30+32=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,33 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,33 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 33:[32, 66], Operations: ['54-22=32', '30+36=66'] Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,33 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,33 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: 33:[30, 22, 18], Operations: ['54-36=18'] Exploring Operation: 22+18=40, Resulting Numbers: [30, 40] Generated Node #0,4,0: 33:[30, 40] Operation: 22+18=40 Exploring Operation: 30-18=12, Resulting Numbers: [22, 12] Generated Node #0,4,1: 33:[22, 12] Operation: 30-18=12 Exploring Operation: 22-18=4, Resulting Numbers: [30, 4] Generated Node #0,4,2: 33:[30, 4] Operation: 22-18=4 Exploring Operation: 30-22=8, Resulting Numbers: [18, 8] Generated Node #0,4,3: 33:[18, 8] Operation: 30-22=8 Exploring Operation: 30+22=52, Resulting Numbers: [18, 52] Generated Node #0,4,4: 33:[18, 52] Operation: 30+22=52 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 33:[30, 4], Operations: ['54-36=18', '22-18=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,33 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 33:[30, 40], Operations: ['54-36=18', '22+18=40'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,33 unequal: No Solution Exploring Operation: 30+40=70, Resulting Numbers: [70] 70,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 33:[18, 8], Operations: ['54-36=18', '30-22=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 33:[22, 12], Operations: ['54-36=18', '30-18=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 33:[18, 52], Operations: ['54-36=18', '30+22=52'] Exploring Operation: 18*52=936, Resulting Numbers: [936] 936,33 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 18+52=70, Resulting Numbers: [70] 70,33 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: 33:[22, 36, 24], Operations: ['54-30=24'] Exploring Operation: 24-22=2, Resulting Numbers: [36, 2] Generated Node #0,2,0: 33:[36, 2] Operation: 24-22=2 Exploring Operation: 36-22=14, Resulting Numbers: [24, 14] Generated Node #0,2,1: 33:[24, 14] Operation: 36-22=14 Exploring Operation: 22+36=58, Resulting Numbers: [24, 58] Generated Node #0,2,2: 33:[24, 58] Operation: 22+36=58 Exploring Operation: 36-24=12, Resulting Numbers: [22, 12] Generated Node #0,2,3: 33:[22, 12] Operation: 36-24=12 Exploring Operation: 22+24=46, Resulting Numbers: [36, 46] Generated Node #0,2,4: 33:[36, 46] Operation: 22+24=46 Moving to Node #0,2,0 Current State: 33:[36, 2], Operations: ['54-30=24', '24-22=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[22, 12], Operations: ['54-30=24', '36-24=12'] Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,33 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[24, 14], Operations: ['54-30=24', '36-22=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,33 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[36, 46], Operations: ['54-30=24', '22+24=46'] Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[24, 58], Operations: ['54-30=24', '22+36=58'] Exploring Operation: 24+58=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 24*58=1392, Resulting Numbers: [1392] 1392,33 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:[30, 54, 14], Operations: ['36-22=14'] Exploring Operation: 30+14=44, Resulting Numbers: [54, 44] Generated Node #0,1,0: 33:[54, 44] Operation: 30+14=44 Exploring Operation: 54-30=24, Resulting Numbers: [14, 24] Generated Node #0,1,1: 33:[14, 24] Operation: 54-30=24 Exploring Operation: 54-14=40, Resulting Numbers: [30, 40] Generated Node #0,1,2: 33:[30, 40] Operation: 54-14=40 Exploring Operation: 30-14=16, Resulting Numbers: [54, 16] Generated Node #0,1,3: 33:[54, 16] Operation: 30-14=16 Exploring Operation: 54+14=68, Resulting Numbers: [30, 68] Generated Node #0,1,4: 33:[30, 68] Operation: 54+14=68 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[30, 40], Operations: ['36-22=14', '54-14=40'] Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,33 unequal: No Solution Exploring Operation: 30+40=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,33 unequal: No Solution No 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: 33:[14, 24], Operations: ['36-22=14', '54-30=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,33 unequal: No Solution No 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: 33:[54, 16], Operations: ['36-22=14', '30-14=16'] Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,33 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,33 unequal: No Solution No 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: 33:[54, 44], Operations: ['36-22=14', '30+14=44'] Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,33 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,33 unequal: No Solution No 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: 33:[30, 68], Operations: ['36-22=14', '54+14=68'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,33 unequal: No Solution Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,33 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: 33:[36, 54, 8], Operations: ['30-22=8'] Exploring Operation: 54-8=46, Resulting Numbers: [36, 46] Generated Node #0,3,0: 33:[36, 46] Operation: 54-8=46 Exploring Operation: 54-36=18, Resulting Numbers: [8, 18] Generated Node #0,3,1: 33:[8, 18] Operation: 54-36=18 Exploring Operation: 36+8=44, Resulting Numbers: [54, 44] Generated Node #0,3,2: 33:[54, 44] Operation: 36+8=44 Exploring Operation: 36-8=28, Resulting Numbers: [54, 28] Generated Node #0,3,3: 33:[54, 28] Operation: 36-8=28 Exploring Operation: 54+8=62, Resulting Numbers: [36, 62] Generated Node #0,3,4: 33:[36, 62] Operation: 54+8=62 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[8, 18], Operations: ['30-22=8', '54-36=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,33 unequal: No Solution No 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: 33:[36, 46], Operations: ['30-22=8', '54-8=46'] Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,33 unequal: No Solution No 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: 33:[54, 28], Operations: ['30-22=8', '36-8=28'] Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,33 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,33 unequal: No Solution No 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: 33:[54, 44], Operations: ['30-22=8', '36+8=44'] Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,33 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,33 unequal: No Solution No 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: 33:[36, 62], Operations: ['30-22=8', '54+8=62'] Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,33 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 50, 60, 78, 4 ]
22
[ "60-50=10", "78+10=88", "88/4=22" ]
Current State: 22:[50, 60, 78, 4], Operations: [] Exploring Operation: 60-50=10, Resulting Numbers: [78, 4, 10] Generated Node #2: [78, 4, 10] from Operation: 60-50=10 Current State: 22:[78, 4, 10], Operations: ['60-50=10'] Exploring Operation: 78+10=88, Resulting Numbers: [4, 88] Generated Node #3: [4, 88] from Operation: 78+10=88 Current State: 22:[4, 88], Operations: ['60-50=10', '78+10=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[50, 60, 78, 4], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [60, 4, 28] Generated Node #0,0: 22:[60, 4, 28] Operation: 78-50=28 Exploring Operation: 78-60=18, Resulting Numbers: [50, 4, 18] Generated Node #0,1: 22:[50, 4, 18] Operation: 78-60=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[50, 4, 18], Operations: ['78-60=18'] Exploring Operation: 50-4=46, Resulting Numbers: [18, 46] Generated Node #0,1,0: 22:[18, 46] Operation: 50-4=46 Exploring Operation: 50-18=32, Resulting Numbers: [4, 32] Generated Node #0,1,1: 22:[4, 32] Operation: 50-18=32 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[4, 32], Operations: ['78-60=18', '50-18=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,22 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:[18, 46], Operations: ['78-60=18', '50-4=46'] Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,22 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:[60, 4, 28], Operations: ['78-50=28'] Exploring Operation: 60/4=15, Resulting Numbers: [28, 15] Generated Node #0,0,0: 22:[28, 15] Operation: 60/4=15 Exploring Operation: 60-28=32, Resulting Numbers: [4, 32] Generated Node #0,0,1: 22:[4, 32] Operation: 60-28=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[28, 15], Operations: ['78-50=28', '60/4=15'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[4, 32], Operations: ['78-50=28', '60-28=32'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,22 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_2
mult_heuristic
[ 10, 38, 82, 64 ]
66
[ "10+38=48", "82-64=18", "48+18=66" ]
Current State: 66:[10, 38, 82, 64], Operations: [] Exploring Operation: 10+38=48, Resulting Numbers: [82, 64, 48] Generated Node #2: [82, 64, 48] from Operation: 10+38=48 Current State: 66:[82, 64, 48], Operations: ['10+38=48'] Exploring Operation: 82-64=18, Resulting Numbers: [48, 18] Generated Node #3: [48, 18] from Operation: 82-64=18 Current State: 66:[48, 18], Operations: ['10+38=48', '82-64=18'] Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[10, 38, 82, 64], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [10, 38, 18] Generated Node #0,0: 66:[10, 38, 18] Operation: 82-64=18 Exploring Operation: 82-38=44, Resulting Numbers: [10, 64, 44] Generated Node #0,1: 66:[10, 64, 44] Operation: 82-38=44 Exploring Operation: 82-10=72, Resulting Numbers: [38, 64, 72] Generated Node #0,2: 66:[38, 64, 72] Operation: 82-10=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[10, 38, 18], Operations: ['82-64=18'] Exploring Operation: 18-10=8, Resulting Numbers: [38, 8] Generated Node #0,0,0: 66:[38, 8] Operation: 18-10=8 Exploring Operation: 38-18=20, Resulting Numbers: [10, 20] Generated Node #0,0,1: 66:[10, 20] Operation: 38-18=20 Exploring Operation: 38-10=28, Resulting Numbers: [18, 28] Generated Node #0,0,2: 66:[18, 28] Operation: 38-10=28 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[10, 20], Operations: ['82-64=18', '38-18=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[38, 8], Operations: ['82-64=18', '18-10=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 66:[18, 28], Operations: ['82-64=18', '38-10=28'] Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,66 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[38, 64, 72], Operations: ['82-10=72'] Exploring Operation: 72-38=34, Resulting Numbers: [64, 34] Generated Node #0,2,0: 66:[64, 34] Operation: 72-38=34 Exploring Operation: 64-38=26, Resulting Numbers: [72, 26] Generated Node #0,2,1: 66:[72, 26] Operation: 64-38=26 Exploring Operation: 72-64=8, Resulting Numbers: [38, 8] Generated Node #0,2,2: 66:[38, 8] Operation: 72-64=8 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[64, 34], Operations: ['82-10=72', '72-38=34'] Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,66 unequal: No Solution Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,66 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[38, 8], Operations: ['82-10=72', '72-64=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,66 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[72, 26], Operations: ['82-10=72', '64-38=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,66 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[10, 64, 44], Operations: ['82-38=44'] Exploring Operation: 64-44=20, Resulting Numbers: [10, 20] Generated Node #0,1,0: 66:[10, 20] Operation: 64-44=20 Exploring Operation: 44-10=34, Resulting Numbers: [64, 34] Generated Node #0,1,1: 66:[64, 34] Operation: 44-10=34 Exploring Operation: 10+44=54, Resulting Numbers: [64, 54] Generated Node #0,1,2: 66:[64, 54] Operation: 10+44=54 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[10, 20], Operations: ['82-38=44', '64-44=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[64, 34], Operations: ['82-38=44', '44-10=34'] Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,66 unequal: No Solution Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,66 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[64, 54], Operations: ['82-38=44', '10+44=54'] Exploring Operation: 64+54=118, Resulting Numbers: [118] 118,66 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 64*54=3456, Resulting Numbers: [3456] 3456,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 66, 4, 72, 68 ]
38
[ "68-66=2", "4+72=76", "76/2=38" ]
Current State: 38:[66, 4, 72, 68], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [4, 72, 2] Generated Node #2: [4, 72, 2] from Operation: 68-66=2 Current State: 38:[4, 72, 2], Operations: ['68-66=2'] Exploring Operation: 4+72=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 4+72=76 Current State: 38:[2, 76], Operations: ['68-66=2', '4+72=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[66, 4, 72, 68], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [66, 4, 4] Generated Node #0,0: 38:[66, 4, 4] Operation: 72-68=4 Exploring Operation: 72-66=6, Resulting Numbers: [4, 68, 6] Generated Node #0,1: 38:[4, 68, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[66, 4, 4], Operations: ['72-68=4'] Exploring Operation: 66-4=62, Resulting Numbers: [4, 62] Generated Node #0,0,0: 38:[4, 62] Operation: 66-4=62 Exploring Operation: 66-4=62, Resulting Numbers: [4, 62] Generated Node #0,0,1: 38:[4, 62] Operation: 66-4=62 Moving to Node #0,0,0 Current State: 38:[4, 62], Operations: ['72-68=4', '66-4=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[4, 62], Operations: ['72-68=4', '66-4=62'] Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[4, 68, 6], Operations: ['72-66=6'] Exploring Operation: 68-6=62, Resulting Numbers: [4, 62] Generated Node #0,1,0: 38:[4, 62] Operation: 68-6=62 Exploring Operation: 68/4=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 38:[6, 17] Operation: 68/4=17 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[6, 17], Operations: ['72-66=6', '68/4=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[4, 62], Operations: ['72-66=6', '68-6=62'] Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 73, 56, 58 ]
28
[ "73-59=14", "58-56=2", "14*2=28" ]
Current State: 28:[59, 73, 56, 58], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [56, 58, 14] Generated Node #2: [56, 58, 14] from Operation: 73-59=14 Current State: 28:[56, 58, 14], Operations: ['73-59=14'] Exploring Operation: 58-56=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 58-56=2 Current State: 28:[14, 2], Operations: ['73-59=14', '58-56=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[59, 73, 56, 58], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [56, 58, 14] Generated Node #0,0: 28:[56, 58, 14] Operation: 73-59=14 Moving to Node #0,0 Current State: 28:[56, 58, 14], Operations: ['73-59=14'] Exploring Operation: 58-56=2, Resulting Numbers: [14, 2] Generated Node #0,0,0: 28:[14, 2] Operation: 58-56=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[14, 2], Operations: ['73-59=14', '58-56=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[59, 73, 56, 58], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [56, 58, 14] Generated Node #0,0: 28:[56, 58, 14] Operation: 73-59=14 Moving to Node #0,0 Current State: 28:[56, 58, 14], Operations: ['73-59=14'] Exploring Operation: 58-56=2, Resulting Numbers: [14, 2] Generated Node #0,0,0: 28:[14, 2] Operation: 58-56=2 Moving to Node #0,0,0 Current State: 28:[14, 2], Operations: ['73-59=14', '58-56=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 89, 30, 99, 79 ]
59
[ "89+30=119", "99+79=178", "178-119=59" ]
Current State: 59:[89, 30, 99, 79], Operations: [] Exploring Operation: 89+30=119, Resulting Numbers: [99, 79, 119] Generated Node #2: [99, 79, 119] from Operation: 89+30=119 Current State: 59:[99, 79, 119], Operations: ['89+30=119'] Exploring Operation: 99+79=178, Resulting Numbers: [119, 178] Generated Node #3: [119, 178] from Operation: 99+79=178 Current State: 59:[119, 178], Operations: ['89+30=119', '99+79=178'] Exploring Operation: 178-119=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[89, 30, 99, 79], Operations: [] Exploring Operation: 89-30=59, Resulting Numbers: [99, 79, 59] Generated Node #0,0: 59:[99, 79, 59] Operation: 89-30=59 Exploring Operation: 99-30=69, Resulting Numbers: [89, 79, 69] Generated Node #0,1: 59:[89, 79, 69] Operation: 99-30=69 Moving to Node #0,0 Current State: 59:[99, 79, 59], Operations: ['89-30=59'] Exploring Operation: 99-59=40, Resulting Numbers: [79, 40] Generated Node #0,0,0: 59:[79, 40] Operation: 99-59=40 Exploring Operation: 99-79=20, Resulting Numbers: [59, 20] Generated Node #0,0,1: 59:[59, 20] Operation: 99-79=20 Moving to Node #0,1 Current State: 59:[89, 79, 69], Operations: ['99-30=69'] Exploring Operation: 89-69=20, Resulting Numbers: [79, 20] Generated Node #0,1,0: 59:[79, 20] Operation: 89-69=20 Exploring Operation: 89-79=10, Resulting Numbers: [69, 10] Generated Node #0,1,1: 59:[69, 10] Operation: 89-79=10 Moving to Node #0,0,0 Current State: 59:[79, 40], Operations: ['89-30=59', '99-59=40'] Exploring Operation: 79+40=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[59, 20], Operations: ['89-30=59', '99-79=20'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[69, 10], Operations: ['99-30=69', '89-79=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[89, 30, 99, 79], Operations: [] Exploring Operation: 99-30=69, Resulting Numbers: [89, 79, 69] Generated Node #0,1: 59:[89, 79, 69] Operation: 99-30=69 Moving to Node #0,1 Current State: 59:[89, 79, 69], Operations: ['99-30=69'] Exploring Operation: 89-79=10, Resulting Numbers: [69, 10] Generated Node #0,1,1: 59:[69, 10] Operation: 89-79=10 Moving to Node #0,1,1 Current State: 59:[69, 10], Operations: ['99-30=69', '89-79=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 49, 23, 66, 8 ]
75
[ "49+23=72", "72/8=9", "66+9=75" ]
Current State: 75:[49, 23, 66, 8], Operations: [] Exploring Operation: 49+23=72, Resulting Numbers: [66, 8, 72] Generated Node #2: [66, 8, 72] from Operation: 49+23=72 Current State: 75:[66, 8, 72], Operations: ['49+23=72'] Exploring Operation: 72/8=9, Resulting Numbers: [66, 9] Generated Node #3: [66, 9] from Operation: 72/8=9 Current State: 75:[66, 9], Operations: ['49+23=72', '72/8=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[49, 23, 66, 8], Operations: [] Exploring Operation: 49+23=72, Resulting Numbers: [66, 8, 72] Generated Node #0,0: 75:[66, 8, 72] Operation: 49+23=72 Exploring Operation: 49-23=26, Resulting Numbers: [66, 8, 26] Generated Node #0,1: 75:[66, 8, 26] Operation: 49-23=26 Exploring Operation: 66-49=17, Resulting Numbers: [23, 8, 17] Generated Node #0,2: 75:[23, 8, 17] Operation: 66-49=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[23, 8, 17], Operations: ['66-49=17'] Exploring Operation: 23-17=6, Resulting Numbers: [8, 6] Generated Node #0,2,0: 75:[8, 6] Operation: 23-17=6 Exploring Operation: 23-8=15, Resulting Numbers: [17, 15] Generated Node #0,2,1: 75:[17, 15] Operation: 23-8=15 Exploring Operation: 8+17=25, Resulting Numbers: [23, 25] Generated Node #0,2,2: 75:[23, 25] Operation: 8+17=25 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[17, 15], Operations: ['66-49=17', '23-8=15'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[23, 25], Operations: ['66-49=17', '8+17=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[8, 6], Operations: ['66-49=17', '23-17=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[66, 8, 26], Operations: ['49-23=26'] Exploring Operation: 26-8=18, Resulting Numbers: [66, 18] Generated Node #0,1,0: 75:[66, 18] Operation: 26-8=18 Exploring Operation: 66+8=74, Resulting Numbers: [26, 74] Generated Node #0,1,1: 75:[26, 74] Operation: 66+8=74 Exploring Operation: 66-8=58, Resulting Numbers: [26, 58] Generated Node #0,1,2: 75:[26, 58] Operation: 66-8=58 Moving to Node #0,1,1 Current State: 75:[26, 74], Operations: ['49-23=26', '66+8=74'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[66, 18], Operations: ['49-23=26', '26-8=18'] Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,75 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[26, 58], Operations: ['49-23=26', '66-8=58'] Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,75 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,75 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 Current State: 75:[66, 8, 72], Operations: ['49+23=72'] Exploring Operation: 72-66=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 75:[8, 6] Operation: 72-66=6 Exploring Operation: 66+8=74, Resulting Numbers: [72, 74] Generated Node #0,0,1: 75:[72, 74] Operation: 66+8=74 Exploring Operation: 72/8=9, Resulting Numbers: [66, 9] Generated Node #0,0,2: 75:[66, 9] Operation: 72/8=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[8, 6], Operations: ['49+23=72', '72-66=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[72, 74], Operations: ['49+23=72', '66+8=74'] Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 72+74=146, Resulting Numbers: [146] 146,75 unequal: No Solution Exploring Operation: 72*74=5328, Resulting Numbers: [5328] 5328,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[66, 9], Operations: ['49+23=72', '72/8=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[49, 23, 66, 8], Operations: [] Exploring Operation: 49+23=72, Resulting Numbers: [66, 8, 72] Generated Node #0,0: 75:[66, 8, 72] Operation: 49+23=72 Moving to Node #0,0 Current State: 75:[66, 8, 72], Operations: ['49+23=72'] Exploring Operation: 72/8=9, Resulting Numbers: [66, 9] Generated Node #0,0,2: 75:[66, 9] Operation: 72/8=9 Moving to Node #0,0,2 Current State: 75:[66, 9], Operations: ['49+23=72', '72/8=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_3
mult_heuristic
[ 41, 5, 62, 45 ]
12
[ "62-41=21", "45/5=9", "21-9=12" ]
Current State: 12:[41, 5, 62, 45], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [5, 45, 21] Generated Node #2: [5, 45, 21] from Operation: 62-41=21 Current State: 12:[5, 45, 21], Operations: ['62-41=21'] Exploring Operation: 45/5=9, Resulting Numbers: [21, 9] Generated Node #3: [21, 9] from Operation: 45/5=9 Current State: 12:[21, 9], Operations: ['62-41=21', '45/5=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[41, 5, 62, 45], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [5, 62, 4] Generated Node #0,0: 12:[5, 62, 4] Operation: 45-41=4 Exploring Operation: 62-41=21, Resulting Numbers: [5, 45, 21] Generated Node #0,1: 12:[5, 45, 21] Operation: 62-41=21 Exploring Operation: 45/5=9, Resulting Numbers: [41, 62, 9] Generated Node #0,2: 12:[41, 62, 9] Operation: 45/5=9 Exploring Operation: 62-45=17, Resulting Numbers: [41, 5, 17] Generated Node #0,3: 12:[41, 5, 17] Operation: 62-45=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[41, 5, 17], Operations: ['62-45=17'] Exploring Operation: 17-5=12, Resulting Numbers: [41, 12] Generated Node #0,3,0: 12:[41, 12] Operation: 17-5=12 Exploring Operation: 41-5=36, Resulting Numbers: [17, 36] Generated Node #0,3,1: 12:[17, 36] Operation: 41-5=36 Exploring Operation: 41-17=24, Resulting Numbers: [5, 24] Generated Node #0,3,2: 12:[5, 24] Operation: 41-17=24 Exploring Operation: 41+5=46, Resulting Numbers: [17, 46] Generated Node #0,3,3: 12:[17, 46] Operation: 41+5=46 Moving to Node #0,3,2 Current State: 12:[5, 24], Operations: ['62-45=17', '41-17=24'] Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,12 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[17, 36], Operations: ['62-45=17', '41-5=36'] Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,12 unequal: No Solution Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,12 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[41, 12], Operations: ['62-45=17', '17-5=12'] Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,12 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,12 unequal: No Solution Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[17, 46], Operations: ['62-45=17', '41+5=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,12 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[5, 45, 21], Operations: ['62-41=21'] Exploring Operation: 45-21=24, Resulting Numbers: [5, 24] Generated Node #0,1,0: 12:[5, 24] Operation: 45-21=24 Exploring Operation: 21-5=16, Resulting Numbers: [45, 16] Generated Node #0,1,1: 12:[45, 16] Operation: 21-5=16 Exploring Operation: 45-5=40, Resulting Numbers: [21, 40] Generated Node #0,1,2: 12:[21, 40] Operation: 45-5=40 Exploring Operation: 45/5=9, Resulting Numbers: [21, 9] Generated Node #0,1,3: 12:[21, 9] Operation: 45/5=9 Moving to Node #0,1,3 Current State: 12:[21, 9], Operations: ['62-41=21', '45/5=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[41, 5, 62, 45], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [5, 45, 21] Generated Node #0,1: 12:[5, 45, 21] Operation: 62-41=21 Moving to Node #0,1 Current State: 12:[5, 45, 21], Operations: ['62-41=21'] Exploring Operation: 45/5=9, Resulting Numbers: [21, 9] Generated Node #0,1,3: 12:[21, 9] Operation: 45/5=9 Moving to Node #0,1,3 Current State: 12:[21, 9], Operations: ['62-41=21', '45/5=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 26, 48, 66, 76 ]
84
[ "26+48=74", "76-66=10", "74+10=84" ]
Current State: 84:[26, 48, 66, 76], Operations: [] Exploring Operation: 26+48=74, Resulting Numbers: [66, 76, 74] Generated Node #2: [66, 76, 74] from Operation: 26+48=74 Current State: 84:[66, 76, 74], Operations: ['26+48=74'] Exploring Operation: 76-66=10, Resulting Numbers: [74, 10] Generated Node #3: [74, 10] from Operation: 76-66=10 Current State: 84:[74, 10], Operations: ['26+48=74', '76-66=10'] Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[26, 48, 66, 76], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [26, 48, 10] Generated Node #0,0: 84:[26, 48, 10] Operation: 76-66=10 Exploring Operation: 66-26=40, Resulting Numbers: [48, 76, 40] Generated Node #0,1: 84:[48, 76, 40] Operation: 66-26=40 Exploring Operation: 66-48=18, Resulting Numbers: [26, 76, 18] Generated Node #0,2: 84:[26, 76, 18] Operation: 66-48=18 Moving to Node #0,0 Current State: 84:[26, 48, 10], Operations: ['76-66=10'] Exploring Operation: 48-10=38, Resulting Numbers: [26, 38] Generated Node #0,0,0: 84:[26, 38] Operation: 48-10=38 Exploring Operation: 26-10=16, Resulting Numbers: [48, 16] Generated Node #0,0,1: 84:[48, 16] Operation: 26-10=16 Exploring Operation: 48-26=22, Resulting Numbers: [10, 22] Generated Node #0,0,2: 84:[10, 22] Operation: 48-26=22 Moving to Node #0,2 Current State: 84:[26, 76, 18], Operations: ['66-48=18'] Exploring Operation: 26+18=44, Resulting Numbers: [76, 44] Generated Node #0,2,0: 84:[76, 44] Operation: 26+18=44 Exploring Operation: 76-26=50, Resulting Numbers: [18, 50] Generated Node #0,2,1: 84:[18, 50] Operation: 76-26=50 Exploring Operation: 26-18=8, Resulting Numbers: [76, 8] Generated Node #0,2,2: 84:[76, 8] Operation: 26-18=8 Moving to Node #0,1 Current State: 84:[48, 76, 40], Operations: ['66-26=40'] Exploring Operation: 76-48=28, Resulting Numbers: [40, 28] Generated Node #0,1,0: 84:[40, 28] Operation: 76-48=28 Exploring Operation: 48-40=8, Resulting Numbers: [76, 8] Generated Node #0,1,1: 84:[76, 8] Operation: 48-40=8 Exploring Operation: 48+40=88, Resulting Numbers: [76, 88] Generated Node #0,1,2: 84:[76, 88] Operation: 48+40=88 Moving to Node #0,1,0 Current State: 84:[40, 28], Operations: ['66-26=40', '76-48=28'] Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,84 unequal: No Solution Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,84 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[10, 22], Operations: ['76-66=10', '48-26=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,84 unequal: No Solution Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,84 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[26, 38], Operations: ['76-66=10', '48-10=38'] Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,84 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[48, 16], Operations: ['76-66=10', '26-10=16'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,84 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[76, 8], Operations: ['66-48=18', '26-18=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[26, 48, 66, 76], Operations: [] Exploring Operation: 66-48=18, Resulting Numbers: [26, 76, 18] Generated Node #0,2: 84:[26, 76, 18] Operation: 66-48=18 Moving to Node #0,2 Current State: 84:[26, 76, 18], Operations: ['66-48=18'] Exploring Operation: 26-18=8, Resulting Numbers: [76, 8] Generated Node #0,2,2: 84:[76, 8] Operation: 26-18=8 Moving to Node #0,2,2 Current State: 84:[76, 8], Operations: ['66-48=18', '26-18=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 6, 11, 29, 62 ]
74
[ "6+11=17", "29+62=91", "91-17=74" ]
Current State: 74:[6, 11, 29, 62], Operations: [] Exploring Operation: 6+11=17, Resulting Numbers: [29, 62, 17] Generated Node #2: [29, 62, 17] from Operation: 6+11=17 Current State: 74:[29, 62, 17], Operations: ['6+11=17'] Exploring Operation: 29+62=91, Resulting Numbers: [17, 91] Generated Node #3: [17, 91] from Operation: 29+62=91 Current State: 74:[17, 91], Operations: ['6+11=17', '29+62=91'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[6, 11, 29, 62], Operations: [] Exploring Operation: 62-29=33, Resulting Numbers: [6, 11, 33] Generated Node #0,0: 74:[6, 11, 33] Operation: 62-29=33 Exploring Operation: 11+62=73, Resulting Numbers: [6, 29, 73] Generated Node #0,1: 74:[6, 29, 73] Operation: 11+62=73 Moving to Node #0,1 Current State: 74:[6, 29, 73], Operations: ['11+62=73'] Exploring Operation: 73-29=44, Resulting Numbers: [6, 44] Generated Node #0,1,0: 74:[6, 44] Operation: 73-29=44 Exploring Operation: 6+29=35, Resulting Numbers: [73, 35] Generated Node #0,1,1: 74:[73, 35] Operation: 6+29=35 Moving to Node #0,0 Current State: 74:[6, 11, 33], Operations: ['62-29=33'] Exploring Operation: 11-6=5, Resulting Numbers: [33, 5] Generated Node #0,0,0: 74:[33, 5] Operation: 11-6=5 Exploring Operation: 33/11=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 74:[6, 3] Operation: 33/11=3 Moving to Node #0,1,1 Current State: 74:[73, 35], Operations: ['11+62=73', '6+29=35'] Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[6, 3], Operations: ['62-29=33', '33/11=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[33, 5], Operations: ['62-29=33', '11-6=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[6, 44], Operations: ['11+62=73', '73-29=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,74 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 64, 64, 16 ]
50
[ "64+16=80", "40*80=3200", "3200/64=50" ]
Current State: 50:[40, 64, 64, 16], Operations: [] Exploring Operation: 64+16=80, Resulting Numbers: [40, 80] Generated Node #2: [40, 80] from Operation: 64+16=80 Current State: 50:[40, 80], Operations: ['64+16=80'] Exploring Operation: 40*80=3200, Resulting Numbers: [3200] 3200,50 equal: Goal Reached Exploring Operation: 3200/64=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[40, 64, 64, 16], Operations: [] Exploring Operation: 64/64=1, Resulting Numbers: [40, 16, 1] Generated Node #0,0: 50:[40, 16, 1] Operation: 64/64=1 Exploring Operation: 64-64=0, Resulting Numbers: [40, 16, 0] Generated Node #0,1: 50:[40, 16, 0] Operation: 64-64=0 Exploring Operation: 64-40=24, Resulting Numbers: [64, 16, 24] Generated Node #0,2: 50:[64, 16, 24] Operation: 64-40=24 Moving to Node #0,0 Current State: 50:[40, 16, 1], Operations: ['64/64=1'] Exploring Operation: 40-16=24, Resulting Numbers: [1, 24] Generated Node #0,0,0: 50:[1, 24] Operation: 40-16=24 Exploring Operation: 40+16=56, Resulting Numbers: [1, 56] Generated Node #0,0,1: 50:[1, 56] Operation: 40+16=56 Exploring Operation: 40+1=41, Resulting Numbers: [16, 41] Generated Node #0,0,2: 50:[16, 41] Operation: 40+1=41 Moving to Node #0,1 Current State: 50:[40, 16, 0], Operations: ['64-64=0'] Exploring Operation: 40+16=56, Resulting Numbers: [0, 56] Generated Node #0,1,0: 50:[0, 56] Operation: 40+16=56 Exploring Operation: 40-16=24, Resulting Numbers: [0, 24] Generated Node #0,1,1: 50:[0, 24] Operation: 40-16=24 Exploring Operation: 40*0=0, Resulting Numbers: [16, 0] Generated Node #0,1,2: 50:[16, 0] Operation: 40*0=0 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[0, 24], Operations: ['64-64=0', '40-16=24'] Exploring Operation: 24-0=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 0+24=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 0*24=0, Resulting Numbers: [0] 0,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[0, 56], Operations: ['64-64=0', '40+16=56'] Exploring Operation: 0+56=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 0*56=0, Resulting Numbers: [0] 0,50 unequal: No Solution Exploring Operation: 56-0=56, Resulting Numbers: [56] 56,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[16, 0], Operations: ['64-64=0', '40*0=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,50 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: 50:[64, 16, 24], Operations: ['64-40=24'] Exploring Operation: 64-24=40, Resulting Numbers: [16, 40] Generated Node #0,2,0: 50:[16, 40] Operation: 64-24=40 Exploring Operation: 64-16=48, Resulting Numbers: [24, 48] Generated Node #0,2,1: 50:[24, 48] Operation: 64-16=48 Exploring Operation: 64/16=4, Resulting Numbers: [24, 4] Generated Node #0,2,2: 50:[24, 4] Operation: 64/16=4 Moving to Node #0,0,0 Current State: 50:[1, 24], Operations: ['64/64=1', '40-16=24'] Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[24, 4], Operations: ['64-40=24', '64/16=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[24, 48], Operations: ['64-40=24', '64-16=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[1, 56], Operations: ['64/64=1', '40+16=56'] Exploring Operation: 1*56=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[16, 41], Operations: ['64/64=1', '40+1=41'] Exploring Operation: 16*41=656, Resulting Numbers: [656] 656,50 unequal: No Solution Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[16, 40], Operations: ['64-40=24', '64-24=40'] Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 16*40=640, Resulting Numbers: [640] 640,50 unequal: No Solution Exploring Operation: 16+40=56, Resulting Numbers: [56] 56,50 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 74, 9, 29, 88 ]
11
[ "74+88=162", "162/9=18", "29-18=11" ]
Current State: 11:[74, 9, 29, 88], Operations: [] Exploring Operation: 74+88=162, Resulting Numbers: [9, 29, 162] Generated Node #2: [9, 29, 162] from Operation: 74+88=162 Current State: 11:[9, 29, 162], Operations: ['74+88=162'] Exploring Operation: 162/9=18, Resulting Numbers: [29, 18] Generated Node #3: [29, 18] from Operation: 162/9=18 Current State: 11:[29, 18], Operations: ['74+88=162', '162/9=18'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[74, 9, 29, 88], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [9, 29, 14] Generated Node #0,0: 11:[9, 29, 14] Operation: 88-74=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[9, 29, 14], Operations: ['88-74=14'] Exploring Operation: 29-14=15, Resulting Numbers: [9, 15] Generated Node #0,0,0: 11:[9, 15] Operation: 29-14=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[9, 15], Operations: ['88-74=14', '29-14=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 42, 52, 10, 26 ]
26
[ "52-42=10", "10+26=36", "36-10=26" ]
Current State: 26:[42, 52, 10, 26], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [10, 26, 10] Generated Node #2: [10, 26, 10] from Operation: 52-42=10 Current State: 26:[10, 26, 10], Operations: ['52-42=10'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,26 equal: Goal Reached Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[42, 52, 10, 26], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [42, 10, 2] Generated Node #0,0: 26:[42, 10, 2] Operation: 52/26=2 Exploring Operation: 52-42=10, Resulting Numbers: [10, 26, 10] Generated Node #0,1: 26:[10, 26, 10] Operation: 52-42=10 Exploring Operation: 52-26=26, Resulting Numbers: [42, 10, 26] Generated Node #0,2: 26:[42, 10, 26] Operation: 52-26=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[10, 26, 10], Operations: ['52-42=10'] Exploring Operation: 10/10=1, Resulting Numbers: [26, 1] Generated Node #0,1,0: 26:[26, 1] Operation: 10/10=1 Exploring Operation: 26-10=16, Resulting Numbers: [10, 16] Generated Node #0,1,1: 26:[10, 16] Operation: 26-10=16 Exploring Operation: 10-10=0, Resulting Numbers: [26, 0] Generated Node #0,1,2: 26:[26, 0] Operation: 10-10=0 Moving to Node #0,1,0 Current State: 26:[26, 1], Operations: ['52-42=10', '10/10=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[42, 52, 10, 26], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [10, 26, 10] Generated Node #0,1: 26:[10, 26, 10] Operation: 52-42=10 Moving to Node #0,1 Current State: 26:[10, 26, 10], Operations: ['52-42=10'] Exploring Operation: 10/10=1, Resulting Numbers: [26, 1] Generated Node #0,1,0: 26:[26, 1] Operation: 10/10=1 Moving to Node #0,1,0 Current State: 26:[26, 1], Operations: ['52-42=10', '10/10=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 75, 76, 37, 88 ]
90
[ "75-37=38", "76/38=2", "88+2=90" ]
Current State: 90:[75, 76, 37, 88], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [76, 88, 38] Generated Node #2: [76, 88, 38] from Operation: 75-37=38 Current State: 90:[76, 88, 38], Operations: ['75-37=38'] Exploring Operation: 76/38=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 76/38=2 Current State: 90:[88, 2], Operations: ['75-37=38', '76/38=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[75, 76, 37, 88], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [76, 88, 38] Generated Node #0,0: 90:[76, 88, 38] Operation: 75-37=38 Exploring Operation: 76-75=1, Resulting Numbers: [37, 88, 1] Generated Node #0,1: 90:[37, 88, 1] Operation: 76-75=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[37, 88, 1], Operations: ['76-75=1'] Exploring Operation: 37-1=36, Resulting Numbers: [88, 36] Generated Node #0,1,0: 90:[88, 36] Operation: 37-1=36 Exploring Operation: 88-37=51, Resulting Numbers: [1, 51] Generated Node #0,1,1: 90:[1, 51] Operation: 88-37=51 Moving to Node #0,1,1 Current State: 90:[1, 51], Operations: ['76-75=1', '88-37=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[88, 36], Operations: ['76-75=1', '37-1=36'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,90 unequal: No Solution Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,90 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 #0,0 Current State: 90:[76, 88, 38], Operations: ['75-37=38'] Exploring Operation: 76/38=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 90:[88, 2] Operation: 76/38=2 Exploring Operation: 88-76=12, Resulting Numbers: [38, 12] Generated Node #0,0,1: 90:[38, 12] Operation: 88-76=12 Moving to Node #0,0,0 Current State: 90:[88, 2], Operations: ['75-37=38', '76/38=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[75, 76, 37, 88], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [76, 88, 38] Generated Node #0,0: 90:[76, 88, 38] Operation: 75-37=38 Moving to Node #0,0 Current State: 90:[76, 88, 38], Operations: ['75-37=38'] Exploring Operation: 76/38=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 90:[88, 2] Operation: 76/38=2 Moving to Node #0,0,0 Current State: 90:[88, 2], Operations: ['75-37=38', '76/38=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 6, 30, 28, 68 ]
56
[ "30-28=2", "6*2=12", "68-12=56" ]
Current State: 56:[6, 30, 28, 68], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [6, 68, 2] Generated Node #2: [6, 68, 2] from Operation: 30-28=2 Current State: 56:[6, 68, 2], Operations: ['30-28=2'] Exploring Operation: 6*2=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 6*2=12 Current State: 56:[68, 12], Operations: ['30-28=2', '6*2=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[6, 30, 28, 68], Operations: [] Exploring Operation: 68-6=62, Resulting Numbers: [30, 28, 62] Generated Node #0,0: 56:[30, 28, 62] Operation: 68-6=62 Exploring Operation: 68-30=38, Resulting Numbers: [6, 28, 38] Generated Node #0,1: 56:[6, 28, 38] Operation: 68-30=38 Moving to Node #0,0 Current State: 56:[30, 28, 62], Operations: ['68-6=62'] Exploring Operation: 30-28=2, Resulting Numbers: [62, 2] Generated Node #0,0,0: 56:[62, 2] Operation: 30-28=2 Exploring Operation: 62-30=32, Resulting Numbers: [28, 32] Generated Node #0,0,1: 56:[28, 32] Operation: 62-30=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[28, 32], Operations: ['68-6=62', '62-30=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[62, 2], Operations: ['68-6=62', '30-28=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,56 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: 56:[6, 28, 38], Operations: ['68-30=38'] Exploring Operation: 38-6=32, Resulting Numbers: [28, 32] Generated Node #0,1,0: 56:[28, 32] Operation: 38-6=32 Exploring Operation: 38-28=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 56:[6, 10] Operation: 38-28=10 Moving to Node #0,1,1 Current State: 56:[6, 10], Operations: ['68-30=38', '38-28=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[28, 32], Operations: ['68-30=38', '38-6=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,56 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,56 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 9, 64, 90, 30 ]
76
[ "9+64=73", "90/30=3", "73+3=76" ]
Current State: 76:[9, 64, 90, 30], Operations: [] Exploring Operation: 9+64=73, Resulting Numbers: [90, 30, 73] Generated Node #2: [90, 30, 73] from Operation: 9+64=73 Current State: 76:[90, 30, 73], Operations: ['9+64=73'] Exploring Operation: 90/30=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 90/30=3 Current State: 76:[73, 3], Operations: ['9+64=73', '90/30=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[9, 64, 90, 30], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [9, 64, 3] Generated Node #0,0: 76:[9, 64, 3] Operation: 90/30=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[9, 64, 3], Operations: ['90/30=3'] Exploring Operation: 9+64=73, Resulting Numbers: [3, 73] Generated Node #0,0,0: 76:[3, 73] Operation: 9+64=73 Moving to Node #0,0,0 Current State: 76:[3, 73], Operations: ['90/30=3', '9+64=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[9, 64, 90, 30], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [9, 64, 3] Generated Node #0,0: 76:[9, 64, 3] Operation: 90/30=3 Moving to Node #0,0 Current State: 76:[9, 64, 3], Operations: ['90/30=3'] Exploring Operation: 9+64=73, Resulting Numbers: [3, 73] Generated Node #0,0,0: 76:[3, 73] Operation: 9+64=73 Moving to Node #0,0,0 Current State: 76:[3, 73], Operations: ['90/30=3', '9+64=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 31, 26, 49, 79 ]
25
[ "31-26=5", "79-49=30", "30-5=25" ]
Current State: 25:[31, 26, 49, 79], Operations: [] Exploring Operation: 31-26=5, Resulting Numbers: [49, 79, 5] Generated Node #2: [49, 79, 5] from Operation: 31-26=5 Current State: 25:[49, 79, 5], Operations: ['31-26=5'] Exploring Operation: 79-49=30, Resulting Numbers: [5, 30] Generated Node #3: [5, 30] from Operation: 79-49=30 Current State: 25:[5, 30], Operations: ['31-26=5', '79-49=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[31, 26, 49, 79], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [26, 49, 48] Generated Node #0,0: 25:[26, 49, 48] Operation: 79-31=48 Exploring Operation: 79-26=53, Resulting Numbers: [31, 49, 53] Generated Node #0,1: 25:[31, 49, 53] Operation: 79-26=53 Exploring Operation: 79-49=30, Resulting Numbers: [31, 26, 30] Generated Node #0,2: 25:[31, 26, 30] Operation: 79-49=30 Moving to Node #0,2 Current State: 25:[31, 26, 30], Operations: ['79-49=30'] Exploring Operation: 31-26=5, Resulting Numbers: [30, 5] Generated Node #0,2,0: 25:[30, 5] Operation: 31-26=5 Exploring Operation: 30-26=4, Resulting Numbers: [31, 4] Generated Node #0,2,1: 25:[31, 4] Operation: 30-26=4 Exploring Operation: 31-30=1, Resulting Numbers: [26, 1] Generated Node #0,2,2: 25:[26, 1] Operation: 31-30=1 Moving to Node #0,0 Current State: 25:[26, 49, 48], Operations: ['79-31=48'] Exploring Operation: 48-26=22, Resulting Numbers: [49, 22] Generated Node #0,0,0: 25:[49, 22] Operation: 48-26=22 Exploring Operation: 49-26=23, Resulting Numbers: [48, 23] Generated Node #0,0,1: 25:[48, 23] Operation: 49-26=23 Exploring Operation: 49-48=1, Resulting Numbers: [26, 1] Generated Node #0,0,2: 25:[26, 1] Operation: 49-48=1 Moving to Node #0,1 Current State: 25:[31, 49, 53], Operations: ['79-26=53'] Exploring Operation: 53-49=4, Resulting Numbers: [31, 4] Generated Node #0,1,0: 25:[31, 4] Operation: 53-49=4 Exploring Operation: 49-31=18, Resulting Numbers: [53, 18] Generated Node #0,1,1: 25:[53, 18] Operation: 49-31=18 Exploring Operation: 53-31=22, Resulting Numbers: [49, 22] Generated Node #0,1,2: 25:[49, 22] Operation: 53-31=22 Moving to Node #0,2,0 Current State: 25:[30, 5], Operations: ['79-49=30', '31-26=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[31, 26, 49, 79], Operations: [] Exploring Operation: 79-49=30, Resulting Numbers: [31, 26, 30] Generated Node #0,2: 25:[31, 26, 30] Operation: 79-49=30 Moving to Node #0,2 Current State: 25:[31, 26, 30], Operations: ['79-49=30'] Exploring Operation: 31-26=5, Resulting Numbers: [30, 5] Generated Node #0,2,0: 25:[30, 5] Operation: 31-26=5 Moving to Node #0,2,0 Current State: 25:[30, 5], Operations: ['79-49=30', '31-26=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 33, 93, 11, 8 ]
88
[ "33/11=3", "93-8=85", "3+85=88" ]
Current State: 88:[33, 93, 11, 8], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [93, 8, 3] Generated Node #2: [93, 8, 3] from Operation: 33/11=3 Current State: 88:[93, 8, 3], Operations: ['33/11=3'] Exploring Operation: 93-8=85, Resulting Numbers: [3, 85] Generated Node #3: [3, 85] from Operation: 93-8=85 Current State: 88:[3, 85], Operations: ['33/11=3', '93-8=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[33, 93, 11, 8], Operations: [] Exploring Operation: 33+11=44, Resulting Numbers: [93, 8, 44] Generated Node #0,0: 88:[93, 8, 44] Operation: 33+11=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[93, 8, 44], Operations: ['33+11=44'] Exploring Operation: 93-8=85, Resulting Numbers: [44, 85] Generated Node #0,0,0: 88:[44, 85] Operation: 93-8=85 Moving to Node #0,0,0 Current State: 88:[44, 85], Operations: ['33+11=44', '93-8=85'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,88 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
[ 45, 18, 6, 70 ]
91
[ "45-18=27", "70-6=64", "27+64=91" ]
Current State: 91:[45, 18, 6, 70], Operations: [] Exploring Operation: 45-18=27, Resulting Numbers: [6, 70, 27] Generated Node #2: [6, 70, 27] from Operation: 45-18=27 Current State: 91:[6, 70, 27], Operations: ['45-18=27'] Exploring Operation: 70-6=64, Resulting Numbers: [27, 64] Generated Node #3: [27, 64] from Operation: 70-6=64 Current State: 91:[27, 64], Operations: ['45-18=27', '70-6=64'] Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[45, 18, 6, 70], Operations: [] Exploring Operation: 45-18=27, Resulting Numbers: [6, 70, 27] Generated Node #0,0: 91:[6, 70, 27] Operation: 45-18=27 Exploring Operation: 70-45=25, Resulting Numbers: [18, 6, 25] Generated Node #0,1: 91:[18, 6, 25] Operation: 70-45=25 Exploring Operation: 18+70=88, Resulting Numbers: [45, 6, 88] Generated Node #0,2: 91:[45, 6, 88] Operation: 18+70=88 Exploring Operation: 45+18=63, Resulting Numbers: [6, 70, 63] Generated Node #0,3: 91:[6, 70, 63] Operation: 45+18=63 Exploring Operation: 45+70=115, Resulting Numbers: [18, 6, 115] Generated Node #0,4: 91:[18, 6, 115] Operation: 45+70=115 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[18, 6, 25], Operations: ['70-45=25'] Exploring Operation: 25-18=7, Resulting Numbers: [6, 7] Generated Node #0,1,0: 91:[6, 7] Operation: 25-18=7 Exploring Operation: 18/6=3, Resulting Numbers: [25, 3] Generated Node #0,1,1: 91:[25, 3] Operation: 18/6=3 Exploring Operation: 25-6=19, Resulting Numbers: [18, 19] Generated Node #0,1,2: 91:[18, 19] Operation: 25-6=19 Exploring Operation: 18-6=12, Resulting Numbers: [25, 12] Generated Node #0,1,3: 91:[25, 12] Operation: 18-6=12 Exploring Operation: 18+6=24, Resulting Numbers: [25, 24] Generated Node #0,1,4: 91:[25, 24] Operation: 18+6=24 Moving to Node #0,1,0 Current State: 91:[6, 7], Operations: ['70-45=25', '25-18=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[18, 19], Operations: ['70-45=25', '25-6=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[25, 12], Operations: ['70-45=25', '18-6=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,91 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[25, 3], Operations: ['70-45=25', '18/6=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[25, 24], Operations: ['70-45=25', '18+6=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,91 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 91:[18, 6, 115], Operations: ['45+70=115'] Exploring Operation: 115-6=109, Resulting Numbers: [18, 109] Generated Node #0,4,0: 91:[18, 109] Operation: 115-6=109 Exploring Operation: 18-6=12, Resulting Numbers: [115, 12] Generated Node #0,4,1: 91:[115, 12] Operation: 18-6=12 Exploring Operation: 18+6=24, Resulting Numbers: [115, 24] Generated Node #0,4,2: 91:[115, 24] Operation: 18+6=24 Exploring Operation: 115-18=97, Resulting Numbers: [6, 97] Generated Node #0,4,3: 91:[6, 97] Operation: 115-18=97 Exploring Operation: 18/6=3, Resulting Numbers: [115, 3] Generated Node #0,4,4: 91:[115, 3] Operation: 18/6=3 Moving to Node #0,4,3 Current State: 91:[6, 97], Operations: ['45+70=115', '115-18=97'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[45, 18, 6, 70], Operations: [] Exploring Operation: 45+70=115, Resulting Numbers: [18, 6, 115] Generated Node #0,4: 91:[18, 6, 115] Operation: 45+70=115 Moving to Node #0,4 Current State: 91:[18, 6, 115], Operations: ['45+70=115'] Exploring Operation: 115-18=97, Resulting Numbers: [6, 97] Generated Node #0,4,3: 91:[6, 97] Operation: 115-18=97 Moving to Node #0,4,3 Current State: 91:[6, 97], Operations: ['45+70=115', '115-18=97'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 80, 15, 93, 55 ]
83
[ "80-15=65", "93+55=148", "148-65=83" ]
Current State: 83:[80, 15, 93, 55], Operations: [] Exploring Operation: 80-15=65, Resulting Numbers: [93, 55, 65] Generated Node #2: [93, 55, 65] from Operation: 80-15=65 Current State: 83:[93, 55, 65], Operations: ['80-15=65'] Exploring Operation: 93+55=148, Resulting Numbers: [65, 148] Generated Node #3: [65, 148] from Operation: 93+55=148 Current State: 83:[65, 148], Operations: ['80-15=65', '93+55=148'] Exploring Operation: 148-65=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[80, 15, 93, 55], Operations: [] Exploring Operation: 15+55=70, Resulting Numbers: [80, 93, 70] Generated Node #0,0: 83:[80, 93, 70] Operation: 15+55=70 Exploring Operation: 93-15=78, Resulting Numbers: [80, 55, 78] Generated Node #0,1: 83:[80, 55, 78] Operation: 93-15=78 Exploring Operation: 15+93=108, Resulting Numbers: [80, 55, 108] Generated Node #0,2: 83:[80, 55, 108] Operation: 15+93=108 Exploring Operation: 80-15=65, Resulting Numbers: [93, 55, 65] Generated Node #0,3: 83:[93, 55, 65] Operation: 80-15=65 Exploring Operation: 80+15=95, Resulting Numbers: [93, 55, 95] Generated Node #0,4: 83:[93, 55, 95] Operation: 80+15=95 Moving to Node #0,0 Current State: 83:[80, 93, 70], Operations: ['15+55=70'] Exploring Operation: 93-80=13, Resulting Numbers: [70, 13] Generated Node #0,0,0: 83:[70, 13] Operation: 93-80=13 Exploring Operation: 80+70=150, Resulting Numbers: [93, 150] Generated Node #0,0,1: 83:[93, 150] Operation: 80+70=150 Exploring Operation: 93-70=23, Resulting Numbers: [80, 23] Generated Node #0,0,2: 83:[80, 23] Operation: 93-70=23 Exploring Operation: 80-70=10, Resulting Numbers: [93, 10] Generated Node #0,0,3: 83:[93, 10] Operation: 80-70=10 Exploring Operation: 93+70=163, Resulting Numbers: [80, 163] Generated Node #0,0,4: 83:[80, 163] Operation: 93+70=163 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[80, 23], Operations: ['15+55=70', '93-70=23'] Exploring Operation: 80*23=1840, Resulting Numbers: [1840] 1840,83 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[93, 150], Operations: ['15+55=70', '80+70=150'] Exploring Operation: 150-93=57, Resulting Numbers: [57] 57,83 unequal: No Solution Exploring Operation: 93*150=13950, Resulting Numbers: [13950] 13950,83 unequal: No Solution Exploring Operation: 93+150=243, Resulting Numbers: [243] 243,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[70, 13], Operations: ['15+55=70', '93-80=13'] Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[80, 15, 93, 55], Operations: [] Exploring Operation: 15+55=70, Resulting Numbers: [80, 93, 70] Generated Node #0,0: 83:[80, 93, 70] Operation: 15+55=70 Moving to Node #0,0 Current State: 83:[80, 93, 70], Operations: ['15+55=70'] Exploring Operation: 93-80=13, Resulting Numbers: [70, 13] Generated Node #0,0,0: 83:[70, 13] Operation: 93-80=13 Moving to Node #0,0,0 Current State: 83:[70, 13], Operations: ['15+55=70', '93-80=13'] Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 2, 43, 63, 52 ]
84
[ "2*52=104", "63-43=20", "104-20=84" ]
Current State: 84:[2, 43, 63, 52], Operations: [] Exploring Operation: 2*52=104, Resulting Numbers: [43, 63, 104] Generated Node #2: [43, 63, 104] from Operation: 2*52=104 Current State: 84:[43, 63, 104], Operations: ['2*52=104'] Exploring Operation: 63-43=20, Resulting Numbers: [104, 20] Generated Node #3: [104, 20] from Operation: 63-43=20 Current State: 84:[104, 20], Operations: ['2*52=104', '63-43=20'] Exploring Operation: 104-20=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[2, 43, 63, 52], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [2, 52, 20] Generated Node #0,0: 84:[2, 52, 20] Operation: 63-43=20 Exploring Operation: 52-43=9, Resulting Numbers: [2, 63, 9] Generated Node #0,1: 84:[2, 63, 9] Operation: 52-43=9 Exploring Operation: 63-52=11, Resulting Numbers: [2, 43, 11] Generated Node #0,2: 84:[2, 43, 11] Operation: 63-52=11 Exploring Operation: 52/2=26, Resulting Numbers: [43, 63, 26] Generated Node #0,3: 84:[43, 63, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[2, 43, 11], Operations: ['63-52=11'] Exploring Operation: 43-2=41, Resulting Numbers: [11, 41] Generated Node #0,2,0: 84:[11, 41] Operation: 43-2=41 Exploring Operation: 2*43=86, Resulting Numbers: [11, 86] Generated Node #0,2,1: 84:[11, 86] Operation: 2*43=86 Exploring Operation: 2*11=22, Resulting Numbers: [43, 22] Generated Node #0,2,2: 84:[43, 22] Operation: 2*11=22 Exploring Operation: 2+11=13, Resulting Numbers: [43, 13] Generated Node #0,2,3: 84:[43, 13] Operation: 2+11=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[11, 41], Operations: ['63-52=11', '43-2=41'] Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 11*41=451, Resulting Numbers: [451] 451,84 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[43, 22], Operations: ['63-52=11', '2*11=22'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,84 unequal: No Solution Exploring Operation: 43*22=946, Resulting Numbers: [946] 946,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[43, 13], Operations: ['63-52=11', '2+11=13'] Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,84 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[11, 86], Operations: ['63-52=11', '2*43=86'] Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,84 unequal: No Solution Exploring Operation: 11*86=946, Resulting Numbers: [946] 946,84 unequal: No Solution Exploring Operation: 11+86=97, Resulting Numbers: [97] 97,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[2, 52, 20], Operations: ['63-43=20'] Exploring Operation: 52-2=50, Resulting Numbers: [20, 50] Generated Node #0,0,0: 84:[20, 50] Operation: 52-2=50 Exploring Operation: 2+20=22, Resulting Numbers: [52, 22] Generated Node #0,0,1: 84:[52, 22] Operation: 2+20=22 Exploring Operation: 52/2=26, Resulting Numbers: [20, 26] Generated Node #0,0,2: 84:[20, 26] Operation: 52/2=26 Exploring Operation: 52-20=32, Resulting Numbers: [2, 32] Generated Node #0,0,3: 84:[2, 32] Operation: 52-20=32 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[20, 26], Operations: ['63-43=20', '52/2=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,84 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 84:[2, 32], Operations: ['63-43=20', '52-20=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,84 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[20, 50], Operations: ['63-43=20', '52-2=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,84 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[52, 22], Operations: ['63-43=20', '2+20=22'] Exploring Operation: 52+22=74, Resulting Numbers: [74] 74,84 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 52*22=1144, Resulting Numbers: [1144] 1144,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[2, 63, 9], Operations: ['52-43=9'] Exploring Operation: 63/9=7, Resulting Numbers: [2, 7] Generated Node #0,1,0: 84:[2, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [2, 54] Generated Node #0,1,1: 84:[2, 54] Operation: 63-9=54 Exploring Operation: 2+63=65, Resulting Numbers: [9, 65] Generated Node #0,1,2: 84:[9, 65] Operation: 2+63=65 Exploring Operation: 63+9=72, Resulting Numbers: [2, 72] Generated Node #0,1,3: 84:[2, 72] Operation: 63+9=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[2, 7], Operations: ['52-43=9', '63/9=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[2, 54], Operations: ['52-43=9', '63-9=54'] Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,84 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 84:[2, 72], Operations: ['52-43=9', '63+9=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,84 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[9, 65], Operations: ['52-43=9', '2+63=65'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 9+65=74, Resulting Numbers: [74] 74,84 unequal: No Solution Exploring Operation: 9*65=585, Resulting Numbers: [585] 585,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[43, 63, 26], Operations: ['52/2=26'] Exploring Operation: 63+26=89, Resulting Numbers: [43, 89] Generated Node #0,3,0: 84:[43, 89] Operation: 63+26=89 Exploring Operation: 63-26=37, Resulting Numbers: [43, 37] Generated Node #0,3,1: 84:[43, 37] Operation: 63-26=37 Exploring Operation: 43+63=106, Resulting Numbers: [26, 106] Generated Node #0,3,2: 84:[26, 106] Operation: 43+63=106 Exploring Operation: 63-43=20, Resulting Numbers: [26, 20] Generated Node #0,3,3: 84:[26, 20] Operation: 63-43=20 Moving to Node #0,3,3 Current State: 84:[26, 20], Operations: ['52/2=26', '63-43=20'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[43, 37], Operations: ['52/2=26', '63-26=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[43, 89], Operations: ['52/2=26', '63+26=89'] Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 43+89=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 43*89=3827, Resulting Numbers: [3827] 3827,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[26, 106], Operations: ['52/2=26', '43+63=106'] Exploring Operation: 26*106=2756, Resulting Numbers: [2756] 2756,84 unequal: No Solution Exploring Operation: 106-26=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 26+106=132, Resulting Numbers: [132] 132,84 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
[ 55, 45, 63, 60 ]
90
[ "60-55=5", "63-45=18", "5*18=90" ]
Current State: 90:[55, 45, 63, 60], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [45, 63, 5] Generated Node #2: [45, 63, 5] from Operation: 60-55=5 Current State: 90:[45, 63, 5], Operations: ['60-55=5'] Exploring Operation: 63-45=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 63-45=18 Current State: 90:[5, 18], Operations: ['60-55=5', '63-45=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[55, 45, 63, 60], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [45, 60, 8] Generated Node #0,0: 90:[45, 60, 8] Operation: 63-55=8 Exploring Operation: 63-60=3, Resulting Numbers: [55, 45, 3] Generated Node #0,1: 90:[55, 45, 3] Operation: 63-60=3 Moving to Node #0,1 Current State: 90:[55, 45, 3], Operations: ['63-60=3'] Exploring Operation: 55-45=10, Resulting Numbers: [3, 10] Generated Node #0,1,0: 90:[3, 10] Operation: 55-45=10 Exploring Operation: 55-3=52, Resulting Numbers: [45, 52] Generated Node #0,1,1: 90:[45, 52] Operation: 55-3=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[3, 10], Operations: ['63-60=3', '55-45=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,90 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:[45, 52], Operations: ['63-60=3', '55-3=52'] Exploring Operation: 45+52=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,90 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: 90:[45, 60, 8], Operations: ['63-55=8'] Exploring Operation: 60-45=15, Resulting Numbers: [8, 15] Generated Node #0,0,0: 90:[8, 15] Operation: 60-45=15 Exploring Operation: 60-8=52, Resulting Numbers: [45, 52] Generated Node #0,0,1: 90:[45, 52] Operation: 60-8=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[8, 15], Operations: ['63-55=8', '60-45=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,90 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 #0,0,1 Current State: 90:[45, 52], Operations: ['63-55=8', '60-8=52'] Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 45+52=97, Resulting Numbers: [97] 97,90 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
[ 24, 27, 78, 92 ]
65
[ "24+27=51", "92-78=14", "51+14=65" ]
Current State: 65:[24, 27, 78, 92], Operations: [] Exploring Operation: 24+27=51, Resulting Numbers: [78, 92, 51] Generated Node #2: [78, 92, 51] from Operation: 24+27=51 Current State: 65:[78, 92, 51], Operations: ['24+27=51'] Exploring Operation: 92-78=14, Resulting Numbers: [51, 14] Generated Node #3: [51, 14] from Operation: 92-78=14 Current State: 65:[51, 14], Operations: ['24+27=51', '92-78=14'] Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[24, 27, 78, 92], Operations: [] Exploring Operation: 92-27=65, Resulting Numbers: [24, 78, 65] Generated Node #0,0: 65:[24, 78, 65] Operation: 92-27=65 Exploring Operation: 92-78=14, Resulting Numbers: [24, 27, 14] Generated Node #0,1: 65:[24, 27, 14] Operation: 92-78=14 Exploring Operation: 78-24=54, Resulting Numbers: [27, 92, 54] Generated Node #0,2: 65:[27, 92, 54] Operation: 78-24=54 Exploring Operation: 92-24=68, Resulting Numbers: [27, 78, 68] Generated Node #0,3: 65:[27, 78, 68] Operation: 92-24=68 Exploring Operation: 27-24=3, Resulting Numbers: [78, 92, 3] Generated Node #0,4: 65:[78, 92, 3] Operation: 27-24=3 Moving to Node #0,0 Current State: 65:[24, 78, 65], Operations: ['92-27=65'] Exploring Operation: 78-24=54, Resulting Numbers: [65, 54] Generated Node #0,0,0: 65:[65, 54] Operation: 78-24=54 Exploring Operation: 24+65=89, Resulting Numbers: [78, 89] Generated Node #0,0,1: 65:[78, 89] Operation: 24+65=89 Exploring Operation: 24+78=102, Resulting Numbers: [65, 102] Generated Node #0,0,2: 65:[65, 102] Operation: 24+78=102 Exploring Operation: 65-24=41, Resulting Numbers: [78, 41] Generated Node #0,0,3: 65:[78, 41] Operation: 65-24=41 Exploring Operation: 78-65=13, Resulting Numbers: [24, 13] Generated Node #0,0,4: 65:[24, 13] Operation: 78-65=13 Moving to Node #0,1 Current State: 65:[24, 27, 14], Operations: ['92-78=14'] Exploring Operation: 27+14=41, Resulting Numbers: [24, 41] Generated Node #0,1,0: 65:[24, 41] Operation: 27+14=41 Exploring Operation: 27-24=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 65:[14, 3] Operation: 27-24=3 Exploring Operation: 24+27=51, Resulting Numbers: [14, 51] Generated Node #0,1,2: 65:[14, 51] Operation: 24+27=51 Exploring Operation: 24-14=10, Resulting Numbers: [27, 10] Generated Node #0,1,3: 65:[27, 10] Operation: 24-14=10 Exploring Operation: 27-14=13, Resulting Numbers: [24, 13] Generated Node #0,1,4: 65:[24, 13] Operation: 27-14=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[14, 3], Operations: ['92-78=14', '27-24=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[24, 13], Operations: ['92-78=14', '27-14=13'] Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,65 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[14, 51], Operations: ['92-78=14', '24+27=51'] Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,65 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[24, 27, 78, 92], Operations: [] Exploring Operation: 92-78=14, Resulting Numbers: [24, 27, 14] Generated Node #0,1: 65:[24, 27, 14] Operation: 92-78=14 Moving to Node #0,1 Current State: 65:[24, 27, 14], Operations: ['92-78=14'] Exploring Operation: 24+27=51, Resulting Numbers: [14, 51] Generated Node #0,1,2: 65:[14, 51] Operation: 24+27=51 Moving to Node #0,1,2 Current State: 65:[14, 51], Operations: ['92-78=14', '24+27=51'] Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 53, 28, 49, 20 ]
27
[ "53-49=4", "28/4=7", "20+7=27" ]
Current State: 27:[53, 28, 49, 20], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [28, 20, 4] Generated Node #2: [28, 20, 4] from Operation: 53-49=4 Current State: 27:[28, 20, 4], Operations: ['53-49=4'] Exploring Operation: 28/4=7, Resulting Numbers: [20, 7] Generated Node #3: [20, 7] from Operation: 28/4=7 Current State: 27:[20, 7], Operations: ['53-49=4', '28/4=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[53, 28, 49, 20], Operations: [] Exploring Operation: 53-28=25, Resulting Numbers: [49, 20, 25] Generated Node #0,0: 27:[49, 20, 25] Operation: 53-28=25 Exploring Operation: 53-20=33, Resulting Numbers: [28, 49, 33] Generated Node #0,1: 27:[28, 49, 33] Operation: 53-20=33 Exploring Operation: 49-28=21, Resulting Numbers: [53, 20, 21] Generated Node #0,2: 27:[53, 20, 21] Operation: 49-28=21 Exploring Operation: 53-49=4, Resulting Numbers: [28, 20, 4] Generated Node #0,3: 27:[28, 20, 4] Operation: 53-49=4 Exploring Operation: 49-20=29, Resulting Numbers: [53, 28, 29] Generated Node #0,4: 27:[53, 28, 29] Operation: 49-20=29 Moving to Node #0,3 Current State: 27:[28, 20, 4], Operations: ['53-49=4'] Exploring Operation: 28/4=7, Resulting Numbers: [20, 7] Generated Node #0,3,0: 27:[20, 7] Operation: 28/4=7 Exploring Operation: 20-4=16, Resulting Numbers: [28, 16] Generated Node #0,3,1: 27:[28, 16] Operation: 20-4=16 Exploring Operation: 20/4=5, Resulting Numbers: [28, 5] Generated Node #0,3,2: 27:[28, 5] Operation: 20/4=5 Exploring Operation: 28-20=8, Resulting Numbers: [4, 8] Generated Node #0,3,3: 27:[4, 8] Operation: 28-20=8 Exploring Operation: 20+4=24, Resulting Numbers: [28, 24] Generated Node #0,3,4: 27:[28, 24] Operation: 20+4=24 Moving to Node #0,4 Current State: 27:[53, 28, 29], Operations: ['49-20=29'] Exploring Operation: 53-29=24, Resulting Numbers: [28, 24] Generated Node #0,4,0: 27:[28, 24] Operation: 53-29=24 Exploring Operation: 29-28=1, Resulting Numbers: [53, 1] Generated Node #0,4,1: 27:[53, 1] Operation: 29-28=1 Exploring Operation: 53-28=25, Resulting Numbers: [29, 25] Generated Node #0,4,2: 27:[29, 25] Operation: 53-28=25 Exploring Operation: 53+29=82, Resulting Numbers: [28, 82] Generated Node #0,4,3: 27:[28, 82] Operation: 53+29=82 Exploring Operation: 53+28=81, Resulting Numbers: [29, 81] Generated Node #0,4,4: 27:[29, 81] Operation: 53+28=81 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 27:[28, 24], Operations: ['49-20=29', '53-29=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 27:[29, 25], Operations: ['49-20=29', '53-28=25'] Exploring Operation: 29*25=725, Resulting Numbers: [725] 725,27 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 29+25=54, Resulting Numbers: [54] 54,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 27:[53, 1], Operations: ['49-20=29', '29-28=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 27:[28, 82], Operations: ['49-20=29', '53+29=82'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,27 unequal: No Solution Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 27:[29, 81], Operations: ['49-20=29', '53+28=81'] Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 29+81=110, Resulting Numbers: [110] 110,27 unequal: No Solution Exploring Operation: 29*81=2349, Resulting Numbers: [2349] 2349,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 27:[28, 49, 33], Operations: ['53-20=33'] Exploring Operation: 49-33=16, Resulting Numbers: [28, 16] Generated Node #0,1,0: 27:[28, 16] Operation: 49-33=16 Exploring Operation: 28+49=77, Resulting Numbers: [33, 77] Generated Node #0,1,1: 27:[33, 77] Operation: 28+49=77 Exploring Operation: 33-28=5, Resulting Numbers: [49, 5] Generated Node #0,1,2: 27:[49, 5] Operation: 33-28=5 Exploring Operation: 49-28=21, Resulting Numbers: [33, 21] Generated Node #0,1,3: 27:[33, 21] Operation: 49-28=21 Exploring Operation: 28+33=61, Resulting Numbers: [49, 61] Generated Node #0,1,4: 27:[49, 61] Operation: 28+33=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[28, 16], Operations: ['53-20=33', '49-33=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,27 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[33, 21], Operations: ['53-20=33', '49-28=21'] Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,27 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[49, 5], Operations: ['53-20=33', '33-28=5'] Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,27 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[33, 77], Operations: ['53-20=33', '28+49=77'] Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 33*77=2541, Resulting Numbers: [2541] 2541,27 unequal: No Solution Exploring Operation: 33+77=110, Resulting Numbers: [110] 110,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 27:[49, 61], Operations: ['53-20=33', '28+33=61'] Exploring Operation: 49*61=2989, Resulting Numbers: [2989] 2989,27 unequal: No Solution Exploring Operation: 61-49=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 49+61=110, Resulting Numbers: [110] 110,27 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: 27:[49, 20, 25], Operations: ['53-28=25'] Exploring Operation: 20+25=45, Resulting Numbers: [49, 45] Generated Node #0,0,0: 27:[49, 45] Operation: 20+25=45 Exploring Operation: 49-25=24, Resulting Numbers: [20, 24] Generated Node #0,0,1: 27:[20, 24] Operation: 49-25=24 Exploring Operation: 49-20=29, Resulting Numbers: [25, 29] Generated Node #0,0,2: 27:[25, 29] Operation: 49-20=29 Exploring Operation: 49+20=69, Resulting Numbers: [25, 69] Generated Node #0,0,3: 27:[25, 69] Operation: 49+20=69 Exploring Operation: 25-20=5, Resulting Numbers: [49, 5] Generated Node #0,0,4: 27:[49, 5] Operation: 25-20=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 27:[25, 29], Operations: ['53-28=25', '49-20=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,27 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[20, 24], Operations: ['53-28=25', '49-25=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,27 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 27:[49, 5], Operations: ['53-28=25', '25-20=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[49, 45], Operations: ['53-28=25', '20+25=45'] Exploring Operation: 49*45=2205, Resulting Numbers: [2205] 2205,27 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 49+45=94, Resulting Numbers: [94] 94,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 27:[25, 69], Operations: ['53-28=25', '49+20=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,27 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,27 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: 27:[53, 20, 21], Operations: ['49-28=21'] Exploring Operation: 20+21=41, Resulting Numbers: [53, 41] Generated Node #0,2,0: 27:[53, 41] Operation: 20+21=41 Exploring Operation: 53+20=73, Resulting Numbers: [21, 73] Generated Node #0,2,1: 27:[21, 73] Operation: 53+20=73 Exploring Operation: 21-20=1, Resulting Numbers: [53, 1] Generated Node #0,2,2: 27:[53, 1] Operation: 21-20=1 Exploring Operation: 53-20=33, Resulting Numbers: [21, 33] Generated Node #0,2,3: 27:[21, 33] Operation: 53-20=33 Exploring Operation: 53-21=32, Resulting Numbers: [20, 32] Generated Node #0,2,4: 27:[20, 32] Operation: 53-21=32 Moving to Node #0,3,3 Current State: 27:[4, 8], Operations: ['53-49=4', '28-20=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[28, 5], Operations: ['53-49=4', '20/4=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,27 unequal: No Solution Moving to Node #0,3,4 Current State: 27:[28, 24], Operations: ['53-49=4', '20+4=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[28, 16], Operations: ['53-49=4', '20-4=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,27 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[20, 7], Operations: ['53-49=4', '28/4=7'] Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,27 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[53, 28, 49, 20], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [28, 20, 4] Generated Node #0,3: 27:[28, 20, 4] Operation: 53-49=4 Moving to Node #0,3 Current State: 27:[28, 20, 4], Operations: ['53-49=4'] Exploring Operation: 28/4=7, Resulting Numbers: [20, 7] Generated Node #0,3,0: 27:[20, 7] Operation: 28/4=7 Moving to Node #0,3,0 Current State: 27:[20, 7], Operations: ['53-49=4', '28/4=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.916667
hs_5
sum_heuristic
[ 64, 48, 80, 43 ]
38
[ "64-48=16", "80/16=5", "43-5=38" ]
Current State: 38:[64, 48, 80, 43], Operations: [] Exploring Operation: 64-48=16, Resulting Numbers: [80, 43, 16] Generated Node #2: [80, 43, 16] from Operation: 64-48=16 Current State: 38:[80, 43, 16], Operations: ['64-48=16'] Exploring Operation: 80/16=5, Resulting Numbers: [43, 5] Generated Node #3: [43, 5] from Operation: 80/16=5 Current State: 38:[43, 5], Operations: ['64-48=16', '80/16=5'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[64, 48, 80, 43], Operations: [] Exploring Operation: 80-43=37, Resulting Numbers: [64, 48, 37] Generated Node #0,0: 38:[64, 48, 37] Operation: 80-43=37 Exploring Operation: 80-48=32, Resulting Numbers: [64, 43, 32] Generated Node #0,1: 38:[64, 43, 32] Operation: 80-48=32 Exploring Operation: 80-64=16, Resulting Numbers: [48, 43, 16] Generated Node #0,2: 38:[48, 43, 16] Operation: 80-64=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[48, 43, 16], Operations: ['80-64=16'] Exploring Operation: 48-16=32, Resulting Numbers: [43, 32] Generated Node #0,2,0: 38:[43, 32] Operation: 48-16=32 Exploring Operation: 48-43=5, Resulting Numbers: [16, 5] Generated Node #0,2,1: 38:[16, 5] Operation: 48-43=5 Exploring Operation: 48/16=3, Resulting Numbers: [43, 3] Generated Node #0,2,2: 38:[43, 3] Operation: 48/16=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 38:[16, 5], Operations: ['80-64=16', '48-43=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[43, 3], Operations: ['80-64=16', '48/16=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,38 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[43, 32], Operations: ['80-64=16', '48-16=32'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[64, 48, 37], Operations: ['80-43=37'] Exploring Operation: 64-37=27, Resulting Numbers: [48, 27] Generated Node #0,0,0: 38:[48, 27] Operation: 64-37=27 Exploring Operation: 48-37=11, Resulting Numbers: [64, 11] Generated Node #0,0,1: 38:[64, 11] Operation: 48-37=11 Exploring Operation: 64-48=16, Resulting Numbers: [37, 16] Generated Node #0,0,2: 38:[37, 16] Operation: 64-48=16 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 38:[37, 16], Operations: ['80-43=37', '64-48=16'] Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[48, 27], Operations: ['80-43=37', '64-37=27'] Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,38 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[64, 11], Operations: ['80-43=37', '48-37=11'] Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,38 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[64, 43, 32], Operations: ['80-48=32'] Exploring Operation: 64-32=32, Resulting Numbers: [43, 32] Generated Node #0,1,0: 38:[43, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [43, 2] Generated Node #0,1,1: 38:[43, 2] Operation: 64/32=2 Exploring Operation: 64-43=21, Resulting Numbers: [32, 21] Generated Node #0,1,2: 38:[32, 21] Operation: 64-43=21 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[43, 2], Operations: ['80-48=32', '64/32=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[32, 21], Operations: ['80-48=32', '64-43=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[43, 32], Operations: ['80-48=32', '64-32=32'] Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,38 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 63, 38, 51 ]
37
[ "63+51=114", "114/38=3", "34+3=37" ]
Current State: 37:[34, 63, 38, 51], Operations: [] Exploring Operation: 63+51=114, Resulting Numbers: [34, 38, 114] Generated Node #2: [34, 38, 114] from Operation: 63+51=114 Current State: 37:[34, 38, 114], Operations: ['63+51=114'] Exploring Operation: 114/38=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 114/38=3 Current State: 37:[34, 3], Operations: ['63+51=114', '114/38=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[34, 63, 38, 51], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [38, 51, 29] Generated Node #0,0: 37:[38, 51, 29] Operation: 63-34=29 Exploring Operation: 63-38=25, Resulting Numbers: [34, 51, 25] Generated Node #0,1: 37:[34, 51, 25] Operation: 63-38=25 Moving to Node #0,0 Current State: 37:[38, 51, 29], Operations: ['63-34=29'] Exploring Operation: 51-38=13, Resulting Numbers: [29, 13] Generated Node #0,0,0: 37:[29, 13] Operation: 51-38=13 Exploring Operation: 51-29=22, Resulting Numbers: [38, 22] Generated Node #0,0,1: 37:[38, 22] Operation: 51-29=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[38, 22], Operations: ['63-34=29', '51-29=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,37 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[29, 13], Operations: ['63-34=29', '51-38=13'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,37 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,37 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: 37:[34, 51, 25], Operations: ['63-38=25'] Exploring Operation: 51-25=26, Resulting Numbers: [34, 26] Generated Node #0,1,0: 37:[34, 26] Operation: 51-25=26 Exploring Operation: 51-34=17, Resulting Numbers: [25, 17] Generated Node #0,1,1: 37:[25, 17] Operation: 51-34=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[34, 26], Operations: ['63-38=25', '51-25=26'] Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,37 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[25, 17], Operations: ['63-38=25', '51-34=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,37 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
[ 41, 98, 30, 76 ]
84
[ "76-41=35", "98*30=2940", "2940/35=84" ]
Current State: 84:[41, 98, 30, 76], Operations: [] Exploring Operation: 76-41=35, Resulting Numbers: [98, 30, 35] Generated Node #2: [98, 30, 35] from Operation: 76-41=35 Current State: 84:[98, 30, 35], Operations: ['76-41=35'] Exploring Operation: 98*30=2940, Resulting Numbers: [35, 2940] Generated Node #3: [35, 2940] from Operation: 98*30=2940 Current State: 84:[35, 2940], Operations: ['76-41=35', '98*30=2940'] Exploring Operation: 2940/35=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[41, 98, 30, 76], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [41, 98, 46] Generated Node #0,0: 84:[41, 98, 46] Operation: 76-30=46 Exploring Operation: 98-76=22, Resulting Numbers: [41, 30, 22] Generated Node #0,1: 84:[41, 30, 22] Operation: 98-76=22 Exploring Operation: 41-30=11, Resulting Numbers: [98, 76, 11] Generated Node #0,2: 84:[98, 76, 11] Operation: 41-30=11 Exploring Operation: 76-41=35, Resulting Numbers: [98, 30, 35] Generated Node #0,3: 84:[98, 30, 35] Operation: 76-41=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[41, 30, 22], Operations: ['98-76=22'] Exploring Operation: 41-30=11, Resulting Numbers: [22, 11] Generated Node #0,1,0: 84:[22, 11] Operation: 41-30=11 Exploring Operation: 30-22=8, Resulting Numbers: [41, 8] Generated Node #0,1,1: 84:[41, 8] Operation: 30-22=8 Exploring Operation: 30+22=52, Resulting Numbers: [41, 52] Generated Node #0,1,2: 84:[41, 52] Operation: 30+22=52 Exploring Operation: 41-22=19, Resulting Numbers: [30, 19] Generated Node #0,1,3: 84:[30, 19] Operation: 41-22=19 Moving to Node #0,1,0 Current State: 84:[22, 11], Operations: ['98-76=22', '41-30=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,84 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[41, 8], Operations: ['98-76=22', '30-22=8'] Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,84 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[30, 19], Operations: ['98-76=22', '41-22=19'] Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,84 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[41, 52], Operations: ['98-76=22', '30+22=52'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,84 unequal: No Solution Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[41, 98, 46], Operations: ['76-30=46'] Exploring Operation: 98-41=57, Resulting Numbers: [46, 57] Generated Node #0,0,0: 84:[46, 57] Operation: 98-41=57 Exploring Operation: 98-46=52, Resulting Numbers: [41, 52] Generated Node #0,0,1: 84:[41, 52] Operation: 98-46=52 Exploring Operation: 46-41=5, Resulting Numbers: [98, 5] Generated Node #0,0,2: 84:[98, 5] Operation: 46-41=5 Exploring Operation: 41+46=87, Resulting Numbers: [98, 87] Generated Node #0,0,3: 84:[98, 87] Operation: 41+46=87 Moving to Node #0,0,1 Current State: 84:[41, 52], Operations: ['76-30=46', '98-46=52'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,84 unequal: No Solution Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[98, 5], Operations: ['76-30=46', '46-41=5'] Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,84 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,84 unequal: No Solution Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[98, 87], Operations: ['76-30=46', '41+46=87'] Exploring Operation: 98+87=185, Resulting Numbers: [185] 185,84 unequal: No Solution Exploring Operation: 98*87=8526, Resulting Numbers: [8526] 8526,84 unequal: No Solution Exploring Operation: 98-87=11, Resulting Numbers: [11] 11,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[46, 57], Operations: ['76-30=46', '98-41=57'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,84 unequal: No Solution Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,84 unequal: No Solution No 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: 84:[98, 76, 11], Operations: ['41-30=11'] Exploring Operation: 98-11=87, Resulting Numbers: [76, 87] Generated Node #0,2,0: 84:[76, 87] Operation: 98-11=87 Exploring Operation: 98+11=109, Resulting Numbers: [76, 109] Generated Node #0,2,1: 84:[76, 109] Operation: 98+11=109 Exploring Operation: 76+11=87, Resulting Numbers: [98, 87] Generated Node #0,2,2: 84:[98, 87] Operation: 76+11=87 Exploring Operation: 98-76=22, Resulting Numbers: [11, 22] Generated Node #0,2,3: 84:[11, 22] Operation: 98-76=22 Moving to Node #0,2,3 Current State: 84:[11, 22], Operations: ['41-30=11', '98-76=22'] Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,84 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[76, 87], Operations: ['41-30=11', '98-11=87'] Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[98, 87], Operations: ['41-30=11', '76+11=87'] Exploring Operation: 98*87=8526, Resulting Numbers: [8526] 8526,84 unequal: No Solution Exploring Operation: 98+87=185, Resulting Numbers: [185] 185,84 unequal: No Solution Exploring Operation: 98-87=11, Resulting Numbers: [11] 11,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[76, 109], Operations: ['41-30=11', '98+11=109'] Exploring Operation: 109-76=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 76*109=8284, Resulting Numbers: [8284] 8284,84 unequal: No Solution Exploring Operation: 76+109=185, Resulting Numbers: [185] 185,84 unequal: No Solution No 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: 84:[98, 30, 35], Operations: ['76-41=35'] Exploring Operation: 35-30=5, Resulting Numbers: [98, 5] Generated Node #0,3,0: 84:[98, 5] Operation: 35-30=5 Exploring Operation: 98-30=68, Resulting Numbers: [35, 68] Generated Node #0,3,1: 84:[35, 68] Operation: 98-30=68 Exploring Operation: 30+35=65, Resulting Numbers: [98, 65] Generated Node #0,3,2: 84:[98, 65] Operation: 30+35=65 Exploring Operation: 98-35=63, Resulting Numbers: [30, 63] Generated Node #0,3,3: 84:[30, 63] Operation: 98-35=63 Moving to Node #0,3,0 Current State: 84:[98, 5], Operations: ['76-41=35', '35-30=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,84 unequal: No Solution Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,84 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[30, 63], Operations: ['76-41=35', '98-35=63'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,84 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[35, 68], Operations: ['76-41=35', '98-30=68'] Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 35*68=2380, Resulting Numbers: [2380] 2380,84 unequal: No Solution Exploring Operation: 35+68=103, Resulting Numbers: [103] 103,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[98, 65], Operations: ['76-41=35', '30+35=65'] Exploring Operation: 98+65=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 98*65=6370, Resulting Numbers: [6370] 6370,84 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
[ 80, 53, 63, 83 ]
32
[ "83-80=3", "63/3=21", "53-21=32" ]
Current State: 32:[80, 53, 63, 83], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [53, 63, 3] Generated Node #2: [53, 63, 3] from Operation: 83-80=3 Current State: 32:[53, 63, 3], Operations: ['83-80=3'] Exploring Operation: 63/3=21, Resulting Numbers: [53, 21] Generated Node #3: [53, 21] from Operation: 63/3=21 Current State: 32:[53, 21], Operations: ['83-80=3', '63/3=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[80, 53, 63, 83], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [53, 63, 3] Generated Node #0,0: 32:[53, 63, 3] Operation: 83-80=3 Moving to Node #0,0 Current State: 32:[53, 63, 3], Operations: ['83-80=3'] Exploring Operation: 63-53=10, Resulting Numbers: [3, 10] Generated Node #0,0,0: 32:[3, 10] Operation: 63-53=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[3, 10], Operations: ['83-80=3', '63-53=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 9, 18, 71, 16 ]
23
[ "9+71=80", "80/16=5", "18+5=23" ]
Current State: 23:[9, 18, 71, 16], Operations: [] Exploring Operation: 9+71=80, Resulting Numbers: [18, 16, 80] Generated Node #2: [18, 16, 80] from Operation: 9+71=80 Current State: 23:[18, 16, 80], Operations: ['9+71=80'] Exploring Operation: 80/16=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 80/16=5 Current State: 23:[18, 5], Operations: ['9+71=80', '80/16=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[9, 18, 71, 16], Operations: [] Exploring Operation: 71-9=62, Resulting Numbers: [18, 16, 62] Generated Node #0,0: 23:[18, 16, 62] Operation: 71-9=62 Exploring Operation: 71-18=53, Resulting Numbers: [9, 16, 53] Generated Node #0,1: 23:[9, 16, 53] Operation: 71-18=53 Moving to Node #0,0 Current State: 23:[18, 16, 62], Operations: ['71-9=62'] Exploring Operation: 62-16=46, Resulting Numbers: [18, 46] Generated Node #0,0,0: 23:[18, 46] Operation: 62-16=46 Exploring Operation: 62-18=44, Resulting Numbers: [16, 44] Generated Node #0,0,1: 23:[16, 44] Operation: 62-18=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[18, 46], Operations: ['71-9=62', '62-16=46'] Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,23 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[16, 44], Operations: ['71-9=62', '62-18=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,23 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: 23:[9, 16, 53], Operations: ['71-18=53'] Exploring Operation: 53-9=44, Resulting Numbers: [16, 44] Generated Node #0,1,0: 23:[16, 44] Operation: 53-9=44 Exploring Operation: 53-16=37, Resulting Numbers: [9, 37] Generated Node #0,1,1: 23:[9, 37] Operation: 53-16=37 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[16, 44], Operations: ['71-18=53', '53-9=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[9, 37], Operations: ['71-18=53', '53-16=37'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 3, 11, 75, 11 ]
24
[ "75/3=25", "11/11=1", "25-1=24" ]
Current State: 24:[3, 11, 75, 11], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [11, 11, 25] Generated Node #2: [11, 11, 25] from Operation: 75/3=25 Current State: 24:[11, 11, 25], Operations: ['75/3=25'] Exploring Operation: 11/11=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 11/11=1 Current State: 24:[25, 1], Operations: ['75/3=25', '11/11=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[3, 11, 75, 11], Operations: [] Exploring Operation: 11-3=8, Resulting Numbers: [75, 11, 8] Generated Node #0,0: 24:[75, 11, 8] Operation: 11-3=8 Exploring Operation: 75-11=64, Resulting Numbers: [3, 11, 64] Generated Node #0,1: 24:[3, 11, 64] Operation: 75-11=64 Exploring Operation: 75-3=72, Resulting Numbers: [11, 11, 72] Generated Node #0,2: 24:[11, 11, 72] Operation: 75-3=72 Exploring Operation: 75/3=25, Resulting Numbers: [11, 11, 25] Generated Node #0,3: 24:[11, 11, 25] Operation: 75/3=25 Exploring Operation: 75-11=64, Resulting Numbers: [3, 11, 64] Generated Node #0,4: 24:[3, 11, 64] Operation: 75-11=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[11, 11, 25], Operations: ['75/3=25'] Exploring Operation: 11-11=0, Resulting Numbers: [25, 0] Generated Node #0,3,0: 24:[25, 0] Operation: 11-11=0 Exploring Operation: 25-11=14, Resulting Numbers: [11, 14] Generated Node #0,3,1: 24:[11, 14] Operation: 25-11=14 Exploring Operation: 11/11=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 24:[25, 1] Operation: 11/11=1 Exploring Operation: 11+11=22, Resulting Numbers: [25, 22] Generated Node #0,3,3: 24:[25, 22] Operation: 11+11=22 Exploring Operation: 25-11=14, Resulting Numbers: [11, 14] Generated Node #0,3,4: 24:[11, 14] Operation: 25-11=14 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 24:[25, 1], Operations: ['75/3=25', '11/11=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[3, 11, 75, 11], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [11, 11, 25] Generated Node #0,3: 24:[11, 11, 25] Operation: 75/3=25 Moving to Node #0,3 Current State: 24:[11, 11, 25], Operations: ['75/3=25'] Exploring Operation: 11/11=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 24:[25, 1] Operation: 11/11=1 Moving to Node #0,3,2 Current State: 24:[25, 1], Operations: ['75/3=25', '11/11=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 11, 98, 22, 77 ]
91
[ "22-11=11", "77/11=7", "98-7=91" ]
Current State: 91:[11, 98, 22, 77], Operations: [] Exploring Operation: 22-11=11, Resulting Numbers: [98, 77, 11] Generated Node #2: [98, 77, 11] from Operation: 22-11=11 Current State: 91:[98, 77, 11], Operations: ['22-11=11'] Exploring Operation: 77/11=7, Resulting Numbers: [98, 7] Generated Node #3: [98, 7] from Operation: 77/11=7 Current State: 91:[98, 7], Operations: ['22-11=11', '77/11=7'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[11, 98, 22, 77], Operations: [] Exploring Operation: 22+77=99, Resulting Numbers: [11, 98, 99] Generated Node #0,0: 91:[11, 98, 99] Operation: 22+77=99 Exploring Operation: 11+77=88, Resulting Numbers: [98, 22, 88] Generated Node #0,1: 91:[98, 22, 88] Operation: 11+77=88 Exploring Operation: 77/11=7, Resulting Numbers: [98, 22, 7] Generated Node #0,2: 91:[98, 22, 7] Operation: 77/11=7 Exploring Operation: 98-77=21, Resulting Numbers: [11, 22, 21] Generated Node #0,3: 91:[11, 22, 21] Operation: 98-77=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[98, 22, 7], Operations: ['77/11=7'] Exploring Operation: 98/7=14, Resulting Numbers: [22, 14] Generated Node #0,2,0: 91:[22, 14] Operation: 98/7=14 Exploring Operation: 98-22=76, Resulting Numbers: [7, 76] Generated Node #0,2,1: 91:[7, 76] Operation: 98-22=76 Exploring Operation: 22-7=15, Resulting Numbers: [98, 15] Generated Node #0,2,2: 91:[98, 15] Operation: 22-7=15 Exploring Operation: 98-7=91, Resulting Numbers: [22, 91] Generated Node #0,2,3: 91:[22, 91] Operation: 98-7=91 Moving to Node #0,2,2 Current State: 91:[98, 15], Operations: ['77/11=7', '22-7=15'] Exploring Operation: 98*15=1470, Resulting Numbers: [1470] 1470,91 unequal: No Solution Exploring Operation: 98+15=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[22, 91], Operations: ['77/11=7', '98-7=91'] Exploring Operation: 22+91=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 22*91=2002, Resulting Numbers: [2002] 2002,91 unequal: No Solution Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[22, 14], Operations: ['77/11=7', '98/7=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[7, 76], Operations: ['77/11=7', '98-22=76'] Exploring Operation: 7*76=532, Resulting Numbers: [532] 532,91 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[11, 98, 99], Operations: ['22+77=99'] Exploring Operation: 99/11=9, Resulting Numbers: [98, 9] Generated Node #0,0,0: 91:[98, 9] Operation: 99/11=9 Exploring Operation: 99-98=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 91:[11, 1] Operation: 99-98=1 Exploring Operation: 98-11=87, Resulting Numbers: [99, 87] Generated Node #0,0,2: 91:[99, 87] Operation: 98-11=87 Exploring Operation: 99-11=88, Resulting Numbers: [98, 88] Generated Node #0,0,3: 91:[98, 88] Operation: 99-11=88 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[11, 1], Operations: ['22+77=99', '99-98=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,91 unequal: No Solution No 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: 91:[98, 9], Operations: ['22+77=99', '99/11=9'] Exploring Operation: 98*9=882, Resulting Numbers: [882] 882,91 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 98+9=107, Resulting Numbers: [107] 107,91 unequal: No Solution No 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: 91:[98, 88], Operations: ['22+77=99', '99-11=88'] Exploring Operation: 98+88=186, Resulting Numbers: [186] 186,91 unequal: No Solution Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,91 unequal: No Solution Exploring Operation: 98*88=8624, Resulting Numbers: [8624] 8624,91 unequal: No Solution No 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: 91:[99, 87], Operations: ['22+77=99', '98-11=87'] Exploring Operation: 99-87=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 99+87=186, Resulting Numbers: [186] 186,91 unequal: No Solution Exploring Operation: 99*87=8613, Resulting Numbers: [8613] 8613,91 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: 91:[98, 22, 88], Operations: ['11+77=88'] Exploring Operation: 22+88=110, Resulting Numbers: [98, 110] Generated Node #0,1,0: 91:[98, 110] Operation: 22+88=110 Exploring Operation: 88/22=4, Resulting Numbers: [98, 4] Generated Node #0,1,1: 91:[98, 4] Operation: 88/22=4 Exploring Operation: 98-22=76, Resulting Numbers: [88, 76] Generated Node #0,1,2: 91:[88, 76] Operation: 98-22=76 Exploring Operation: 98-88=10, Resulting Numbers: [22, 10] Generated Node #0,1,3: 91:[22, 10] Operation: 98-88=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[98, 4], Operations: ['11+77=88', '88/22=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 98*4=392, Resulting Numbers: [392] 392,91 unequal: No Solution No 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: 91:[22, 10], Operations: ['11+77=88', '98-88=10'] Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,91 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,91 unequal: No Solution No 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: 91:[88, 76], Operations: ['11+77=88', '98-22=76'] Exploring Operation: 88-76=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 88+76=164, Resulting Numbers: [164] 164,91 unequal: No Solution Exploring Operation: 88*76=6688, Resulting Numbers: [6688] 6688,91 unequal: No Solution No 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: 91:[98, 110], Operations: ['11+77=88', '22+88=110'] Exploring Operation: 98*110=10780, Resulting Numbers: [10780] 10780,91 unequal: No Solution Exploring Operation: 98+110=208, Resulting Numbers: [208] 208,91 unequal: No Solution Exploring Operation: 110-98=12, Resulting Numbers: [12] 12,91 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: 91:[11, 22, 21], Operations: ['98-77=21'] Exploring Operation: 21-11=10, Resulting Numbers: [22, 10] Generated Node #0,3,0: 91:[22, 10] Operation: 21-11=10 Exploring Operation: 22-11=11, Resulting Numbers: [21, 11] Generated Node #0,3,1: 91:[21, 11] Operation: 22-11=11 Exploring Operation: 22-21=1, Resulting Numbers: [11, 1] Generated Node #0,3,2: 91:[11, 1] Operation: 22-21=1 Exploring Operation: 22/11=2, Resulting Numbers: [21, 2] Generated Node #0,3,3: 91:[21, 2] Operation: 22/11=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 91:[11, 1], Operations: ['98-77=21', '22-21=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,91 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,91 unequal: No Solution No 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: 91:[21, 11], Operations: ['98-77=21', '22-11=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,91 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,91 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,91 unequal: No Solution No 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: 91:[22, 10], Operations: ['98-77=21', '21-11=10'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,91 unequal: No Solution Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,91 unequal: No Solution No 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: 91:[21, 2], Operations: ['98-77=21', '22/11=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,91 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
[ 95, 90, 47, 74 ]
32
[ "95-90=5", "74-47=27", "5+27=32" ]
Current State: 32:[95, 90, 47, 74], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [47, 74, 5] Generated Node #2: [47, 74, 5] from Operation: 95-90=5 Current State: 32:[47, 74, 5], Operations: ['95-90=5'] Exploring Operation: 74-47=27, Resulting Numbers: [5, 27] Generated Node #3: [5, 27] from Operation: 74-47=27 Current State: 32:[5, 27], Operations: ['95-90=5', '74-47=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[95, 90, 47, 74], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [47, 74, 5] Generated Node #0,0: 32:[47, 74, 5] Operation: 95-90=5 Exploring Operation: 95-74=21, Resulting Numbers: [90, 47, 21] Generated Node #0,1: 32:[90, 47, 21] Operation: 95-74=21 Moving to Node #0,0 Current State: 32:[47, 74, 5], Operations: ['95-90=5'] Exploring Operation: 74-47=27, Resulting Numbers: [5, 27] Generated Node #0,0,0: 32:[5, 27] Operation: 74-47=27 Exploring Operation: 47-5=42, Resulting Numbers: [74, 42] Generated Node #0,0,1: 32:[74, 42] Operation: 47-5=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[5, 27], Operations: ['95-90=5', '74-47=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[95, 90, 47, 74], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [47, 74, 5] Generated Node #0,0: 32:[47, 74, 5] Operation: 95-90=5 Moving to Node #0,0 Current State: 32:[47, 74, 5], Operations: ['95-90=5'] Exploring Operation: 74-47=27, Resulting Numbers: [5, 27] Generated Node #0,0,0: 32:[5, 27] Operation: 74-47=27 Moving to Node #0,0,0 Current State: 32:[5, 27], Operations: ['95-90=5', '74-47=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 48, 48, 18, 62 ]
81
[ "48/48=1", "18+62=80", "1+80=81" ]
Current State: 81:[48, 48, 18, 62], Operations: [] Exploring Operation: 48/48=1, Resulting Numbers: [18, 62, 1] Generated Node #2: [18, 62, 1] from Operation: 48/48=1 Current State: 81:[18, 62, 1], Operations: ['48/48=1'] Exploring Operation: 18+62=80, Resulting Numbers: [1, 80] Generated Node #3: [1, 80] from Operation: 18+62=80 Current State: 81:[1, 80], Operations: ['48/48=1', '18+62=80'] Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[48, 48, 18, 62], Operations: [] Exploring Operation: 48-48=0, Resulting Numbers: [18, 62, 0] Generated Node #0,0: 81:[18, 62, 0] Operation: 48-48=0 Exploring Operation: 62-48=14, Resulting Numbers: [48, 18, 14] Generated Node #0,1: 81:[48, 18, 14] Operation: 62-48=14 Exploring Operation: 48/48=1, Resulting Numbers: [18, 62, 1] Generated Node #0,2: 81:[18, 62, 1] Operation: 48/48=1 Moving to Node #0,2 Current State: 81:[18, 62, 1], Operations: ['48/48=1'] Exploring Operation: 62-18=44, Resulting Numbers: [1, 44] Generated Node #0,2,0: 81:[1, 44] Operation: 62-18=44 Exploring Operation: 18+1=19, Resulting Numbers: [62, 19] Generated Node #0,2,1: 81:[62, 19] Operation: 18+1=19 Exploring Operation: 18+62=80, Resulting Numbers: [1, 80] Generated Node #0,2,2: 81:[1, 80] Operation: 18+62=80 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[1, 80], Operations: ['48/48=1', '18+62=80'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[48, 48, 18, 62], Operations: [] Exploring Operation: 48/48=1, Resulting Numbers: [18, 62, 1] Generated Node #0,2: 81:[18, 62, 1] Operation: 48/48=1 Moving to Node #0,2 Current State: 81:[18, 62, 1], Operations: ['48/48=1'] Exploring Operation: 18+62=80, Resulting Numbers: [1, 80] Generated Node #0,2,2: 81:[1, 80] Operation: 18+62=80 Moving to Node #0,2,2 Current State: 81:[1, 80], Operations: ['48/48=1', '18+62=80'] Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 89, 32, 95, 58 ]
54
[ "89*58=5162", "5162-32=5130", "5130/95=54" ]
Current State: 54:[89, 32, 95, 58], Operations: [] Exploring Operation: 89*58=5162, Resulting Numbers: [32, 95, 5162] Generated Node #2: [32, 95, 5162] from Operation: 89*58=5162 Current State: 54:[32, 95, 5162], Operations: ['89*58=5162'] Exploring Operation: 5162-32=5130, Resulting Numbers: [95, 5130] Generated Node #3: [95, 5130] from Operation: 5162-32=5130 Current State: 54:[95, 5130], Operations: ['89*58=5162', '5162-32=5130'] Exploring Operation: 5130/95=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[89, 32, 95, 58], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [32, 58, 6] Generated Node #0,0: 54:[32, 58, 6] Operation: 95-89=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[32, 58, 6], Operations: ['95-89=6'] Exploring Operation: 58-32=26, Resulting Numbers: [6, 26] Generated Node #0,0,0: 54:[6, 26] Operation: 58-32=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[6, 26], Operations: ['95-89=6', '58-32=26'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 10, 27, 55 ]
63
[ "25+10=35", "55-27=28", "35+28=63" ]
Current State: 63:[25, 10, 27, 55], Operations: [] Exploring Operation: 25+10=35, Resulting Numbers: [27, 55, 35] Generated Node #2: [27, 55, 35] from Operation: 25+10=35 Current State: 63:[27, 55, 35], Operations: ['25+10=35'] Exploring Operation: 55-27=28, Resulting Numbers: [35, 28] Generated Node #3: [35, 28] from Operation: 55-27=28 Current State: 63:[35, 28], Operations: ['25+10=35', '55-27=28'] Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[25, 10, 27, 55], Operations: [] Exploring Operation: 27-10=17, Resulting Numbers: [25, 55, 17] Generated Node #0,0: 63:[25, 55, 17] Operation: 27-10=17 Exploring Operation: 55-27=28, Resulting Numbers: [25, 10, 28] Generated Node #0,1: 63:[25, 10, 28] Operation: 55-27=28 Exploring Operation: 10+55=65, Resulting Numbers: [25, 27, 65] Generated Node #0,2: 63:[25, 27, 65] Operation: 10+55=65 Exploring Operation: 27-25=2, Resulting Numbers: [10, 55, 2] Generated Node #0,3: 63:[10, 55, 2] Operation: 27-25=2 Exploring Operation: 55-25=30, Resulting Numbers: [10, 27, 30] Generated Node #0,4: 63:[10, 27, 30] Operation: 55-25=30 Moving to Node #0,3 Current State: 63:[10, 55, 2], Operations: ['27-25=2'] Exploring Operation: 10-2=8, Resulting Numbers: [55, 8] Generated Node #0,3,0: 63:[55, 8] Operation: 10-2=8 Exploring Operation: 55+2=57, Resulting Numbers: [10, 57] Generated Node #0,3,1: 63:[10, 57] Operation: 55+2=57 Exploring Operation: 10*2=20, Resulting Numbers: [55, 20] Generated Node #0,3,2: 63:[55, 20] Operation: 10*2=20 Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #0,3,3: 63:[55, 5] Operation: 10/2=5 Exploring Operation: 10+55=65, Resulting Numbers: [2, 65] Generated Node #0,3,4: 63:[2, 65] Operation: 10+55=65 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 63:[2, 65], Operations: ['27-25=2', '10+55=65'] Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,63 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[25, 10, 27, 55], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [10, 55, 2] Generated Node #0,3: 63:[10, 55, 2] Operation: 27-25=2 Moving to Node #0,3 Current State: 63:[10, 55, 2], Operations: ['27-25=2'] Exploring Operation: 10+55=65, Resulting Numbers: [2, 65] Generated Node #0,3,4: 63:[2, 65] Operation: 10+55=65 Moving to Node #0,3,4 Current State: 63:[2, 65], Operations: ['27-25=2', '10+55=65'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 16, 6, 75, 49 ]
28
[ "16*6=96", "75+49=124", "124-96=28" ]
Current State: 28:[16, 6, 75, 49], Operations: [] Exploring Operation: 16*6=96, Resulting Numbers: [75, 49, 96] Generated Node #2: [75, 49, 96] from Operation: 16*6=96 Current State: 28:[75, 49, 96], Operations: ['16*6=96'] Exploring Operation: 75+49=124, Resulting Numbers: [96, 124] Generated Node #3: [96, 124] from Operation: 75+49=124 Current State: 28:[96, 124], Operations: ['16*6=96', '75+49=124'] Exploring Operation: 124-96=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[16, 6, 75, 49], Operations: [] Exploring Operation: 75-16=59, Resulting Numbers: [6, 49, 59] Generated Node #0,0: 28:[6, 49, 59] Operation: 75-16=59 Exploring Operation: 49-16=33, Resulting Numbers: [6, 75, 33] Generated Node #0,1: 28:[6, 75, 33] Operation: 49-16=33 Exploring Operation: 75-49=26, Resulting Numbers: [16, 6, 26] Generated Node #0,2: 28:[16, 6, 26] Operation: 75-49=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[16, 6, 26], Operations: ['75-49=26'] Exploring Operation: 16-6=10, Resulting Numbers: [26, 10] Generated Node #0,2,0: 28:[26, 10] Operation: 16-6=10 Exploring Operation: 26-16=10, Resulting Numbers: [6, 10] Generated Node #0,2,1: 28:[6, 10] Operation: 26-16=10 Exploring Operation: 6+26=32, Resulting Numbers: [16, 32] Generated Node #0,2,2: 28:[16, 32] Operation: 6+26=32 Moving to Node #0,2,1 Current State: 28:[6, 10], Operations: ['75-49=26', '26-16=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,28 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[26, 10], Operations: ['75-49=26', '16-6=10'] Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,28 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[16, 32], Operations: ['75-49=26', '6+26=32'] Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,28 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 #0,0 Current State: 28:[6, 49, 59], Operations: ['75-16=59'] Exploring Operation: 59-6=53, Resulting Numbers: [49, 53] Generated Node #0,0,0: 28:[49, 53] Operation: 59-6=53 Exploring Operation: 49-6=43, Resulting Numbers: [59, 43] Generated Node #0,0,1: 28:[59, 43] Operation: 49-6=43 Exploring Operation: 59-49=10, Resulting Numbers: [6, 10] Generated Node #0,0,2: 28:[6, 10] Operation: 59-49=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 28:[6, 10], Operations: ['75-16=59', '59-49=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,28 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[49, 53], Operations: ['75-16=59', '59-6=53'] Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 49*53=2597, Resulting Numbers: [2597] 2597,28 unequal: No Solution Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[59, 43], Operations: ['75-16=59', '49-6=43'] Exploring Operation: 59*43=2537, Resulting Numbers: [2537] 2537,28 unequal: No Solution Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 59+43=102, Resulting Numbers: [102] 102,28 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: 28:[6, 75, 33], Operations: ['49-16=33'] Exploring Operation: 75-33=42, Resulting Numbers: [6, 42] Generated Node #0,1,0: 28:[6, 42] Operation: 75-33=42 Exploring Operation: 75-6=69, Resulting Numbers: [33, 69] Generated Node #0,1,1: 28:[33, 69] Operation: 75-6=69 Exploring Operation: 33-6=27, Resulting Numbers: [75, 27] Generated Node #0,1,2: 28:[75, 27] Operation: 33-6=27 Moving to Node #0,1,0 Current State: 28:[6, 42], Operations: ['49-16=33', '75-33=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[33, 69], Operations: ['49-16=33', '75-6=69'] Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,28 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 33*69=2277, Resulting Numbers: [2277] 2277,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[75, 27], Operations: ['49-16=33', '33-6=27'] Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,28 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,28 unequal: No Solution Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,28 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
[ 71, 60, 90, 65 ]
45
[ "71-65=6", "90/6=15", "60-15=45" ]
Current State: 45:[71, 60, 90, 65], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [60, 90, 6] Generated Node #2: [60, 90, 6] from Operation: 71-65=6 Current State: 45:[60, 90, 6], Operations: ['71-65=6'] Exploring Operation: 90/6=15, Resulting Numbers: [60, 15] Generated Node #3: [60, 15] from Operation: 90/6=15 Current State: 45:[60, 15], Operations: ['71-65=6', '90/6=15'] Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[71, 60, 90, 65], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [71, 60, 25] Generated Node #0,0: 45:[71, 60, 25] Operation: 90-65=25 Exploring Operation: 71-65=6, Resulting Numbers: [60, 90, 6] Generated Node #0,1: 45:[60, 90, 6] Operation: 71-65=6 Exploring Operation: 90-60=30, Resulting Numbers: [71, 65, 30] Generated Node #0,2: 45:[71, 65, 30] Operation: 90-60=30 Exploring Operation: 90-71=19, Resulting Numbers: [60, 65, 19] Generated Node #0,3: 45:[60, 65, 19] Operation: 90-71=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[60, 65, 19], Operations: ['90-71=19'] Exploring Operation: 65-60=5, Resulting Numbers: [19, 5] Generated Node #0,3,0: 45:[19, 5] Operation: 65-60=5 Exploring Operation: 60+19=79, Resulting Numbers: [65, 79] Generated Node #0,3,1: 45:[65, 79] Operation: 60+19=79 Exploring Operation: 65-19=46, Resulting Numbers: [60, 46] Generated Node #0,3,2: 45:[60, 46] Operation: 65-19=46 Exploring Operation: 60-19=41, Resulting Numbers: [65, 41] Generated Node #0,3,3: 45:[65, 41] Operation: 60-19=41 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[19, 5], Operations: ['90-71=19', '65-60=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,45 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,45 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 #0,3,2 Current State: 45:[60, 46], Operations: ['90-71=19', '65-19=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,45 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,45 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 #0,3,3 Current State: 45:[65, 41], Operations: ['90-71=19', '60-19=41'] Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,45 unequal: No Solution Exploring Operation: 65*41=2665, Resulting Numbers: [2665] 2665,45 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,45 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 #0,3,1 Current State: 45:[65, 79], Operations: ['90-71=19', '60+19=79'] Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,45 unequal: No Solution Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,45 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 #0,0 Current State: 45:[71, 60, 25], Operations: ['90-65=25'] Exploring Operation: 71+25=96, Resulting Numbers: [60, 96] Generated Node #0,0,0: 45:[60, 96] Operation: 71+25=96 Exploring Operation: 60-25=35, Resulting Numbers: [71, 35] Generated Node #0,0,1: 45:[71, 35] Operation: 60-25=35 Exploring Operation: 71-25=46, Resulting Numbers: [60, 46] Generated Node #0,0,2: 45:[60, 46] Operation: 71-25=46 Exploring Operation: 71-60=11, Resulting Numbers: [25, 11] Generated Node #0,0,3: 45:[25, 11] Operation: 71-60=11 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[25, 11], Operations: ['90-65=25', '71-60=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,45 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 25-11=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:[60, 46], Operations: ['90-65=25', '71-25=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,45 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,45 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:[71, 35], Operations: ['90-65=25', '60-25=35'] Exploring Operation: 71+35=106, Resulting Numbers: [106] 106,45 unequal: No Solution Exploring Operation: 71*35=2485, Resulting Numbers: [2485] 2485,45 unequal: No Solution Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,45 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:[60, 96], Operations: ['90-65=25', '71+25=96'] Exploring Operation: 60+96=156, Resulting Numbers: [156] 156,45 unequal: No Solution Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 60*96=5760, Resulting Numbers: [5760] 5760,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[60, 90, 6], Operations: ['71-65=6'] Exploring Operation: 60/6=10, Resulting Numbers: [90, 10] Generated Node #0,1,0: 45:[90, 10] Operation: 60/6=10 Exploring Operation: 90/6=15, Resulting Numbers: [60, 15] Generated Node #0,1,1: 45:[60, 15] Operation: 90/6=15 Exploring Operation: 60-6=54, Resulting Numbers: [90, 54] Generated Node #0,1,2: 45:[90, 54] Operation: 60-6=54 Exploring Operation: 90-60=30, Resulting Numbers: [6, 30] Generated Node #0,1,3: 45:[6, 30] Operation: 90-60=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[60, 15], Operations: ['71-65=6', '90/6=15'] Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[71, 60, 90, 65], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [60, 90, 6] Generated Node #0,1: 45:[60, 90, 6] Operation: 71-65=6 Moving to Node #0,1 Current State: 45:[60, 90, 6], Operations: ['71-65=6'] Exploring Operation: 90/6=15, Resulting Numbers: [60, 15] Generated Node #0,1,1: 45:[60, 15] Operation: 90/6=15 Moving to Node #0,1,1 Current State: 45:[60, 15], Operations: ['71-65=6', '90/6=15'] Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 60, 62, 59, 17 ]
74
[ "62-60=2", "59+17=76", "76-2=74" ]
Current State: 74:[60, 62, 59, 17], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [59, 17, 2] Generated Node #2: [59, 17, 2] from Operation: 62-60=2 Current State: 74:[59, 17, 2], Operations: ['62-60=2'] Exploring Operation: 59+17=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 59+17=76 Current State: 74:[2, 76], Operations: ['62-60=2', '59+17=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[60, 62, 59, 17], Operations: [] Exploring Operation: 59+17=76, Resulting Numbers: [60, 62, 76] Generated Node #0,0: 74:[60, 62, 76] Operation: 59+17=76 Exploring Operation: 60-59=1, Resulting Numbers: [62, 17, 1] Generated Node #0,1: 74:[62, 17, 1] Operation: 60-59=1 Moving to Node #0,0 Current State: 74:[60, 62, 76], Operations: ['59+17=76'] Exploring Operation: 62-60=2, Resulting Numbers: [76, 2] Generated Node #0,0,0: 74:[76, 2] Operation: 62-60=2 Exploring Operation: 76-60=16, Resulting Numbers: [62, 16] Generated Node #0,0,1: 74:[62, 16] Operation: 76-60=16 Moving to Node #0,1 Current State: 74:[62, 17, 1], Operations: ['60-59=1'] Exploring Operation: 62+17=79, Resulting Numbers: [1, 79] Generated Node #0,1,0: 74:[1, 79] Operation: 62+17=79 Exploring Operation: 62-17=45, Resulting Numbers: [1, 45] Generated Node #0,1,1: 74:[1, 45] Operation: 62-17=45 Moving to Node #0,0,0 Current State: 74:[76, 2], Operations: ['59+17=76', '62-60=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[60, 62, 59, 17], Operations: [] Exploring Operation: 59+17=76, Resulting Numbers: [60, 62, 76] Generated Node #0,0: 74:[60, 62, 76] Operation: 59+17=76 Moving to Node #0,0 Current State: 74:[60, 62, 76], Operations: ['59+17=76'] Exploring Operation: 62-60=2, Resulting Numbers: [76, 2] Generated Node #0,0,0: 74:[76, 2] Operation: 62-60=2 Moving to Node #0,0,0 Current State: 74:[76, 2], Operations: ['59+17=76', '62-60=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 69, 6, 12, 30 ]
86
[ "69+12=81", "30/6=5", "81+5=86" ]
Current State: 86:[69, 6, 12, 30], Operations: [] Exploring Operation: 69+12=81, Resulting Numbers: [6, 30, 81] Generated Node #2: [6, 30, 81] from Operation: 69+12=81 Current State: 86:[6, 30, 81], Operations: ['69+12=81'] Exploring Operation: 30/6=5, Resulting Numbers: [81, 5] Generated Node #3: [81, 5] from Operation: 30/6=5 Current State: 86:[81, 5], Operations: ['69+12=81', '30/6=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[69, 6, 12, 30], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [6, 12, 39] Generated Node #0,0: 86:[6, 12, 39] Operation: 69-30=39 Moving to Node #0,0 Current State: 86:[6, 12, 39], Operations: ['69-30=39'] Exploring Operation: 12/6=2, Resulting Numbers: [39, 2] Generated Node #0,0,0: 86:[39, 2] Operation: 12/6=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[39, 2], Operations: ['69-30=39', '12/6=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,86 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, 78, 19, 95 ]
55
[ "89-78=11", "95/19=5", "11*5=55" ]
Current State: 55:[89, 78, 19, 95], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [19, 95, 11] Generated Node #2: [19, 95, 11] from Operation: 89-78=11 Current State: 55:[19, 95, 11], Operations: ['89-78=11'] Exploring Operation: 95/19=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 95/19=5 Current State: 55:[11, 5], Operations: ['89-78=11', '95/19=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[89, 78, 19, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [89, 78, 5] Generated Node #0,0: 55:[89, 78, 5] Operation: 95/19=5 Exploring Operation: 95-89=6, Resulting Numbers: [78, 19, 6] Generated Node #0,1: 55:[78, 19, 6] Operation: 95-89=6 Exploring Operation: 89-78=11, Resulting Numbers: [19, 95, 11] Generated Node #0,2: 55:[19, 95, 11] Operation: 89-78=11 Exploring Operation: 95-78=17, Resulting Numbers: [89, 19, 17] Generated Node #0,3: 55:[89, 19, 17] Operation: 95-78=17 Moving to Node #0,1 Current State: 55:[78, 19, 6], Operations: ['95-89=6'] Exploring Operation: 78-6=72, Resulting Numbers: [19, 72] Generated Node #0,1,0: 55:[19, 72] Operation: 78-6=72 Exploring Operation: 19-6=13, Resulting Numbers: [78, 13] Generated Node #0,1,1: 55:[78, 13] Operation: 19-6=13 Exploring Operation: 78/6=13, Resulting Numbers: [19, 13] Generated Node #0,1,2: 55:[19, 13] Operation: 78/6=13 Exploring Operation: 78-19=59, Resulting Numbers: [6, 59] Generated Node #0,1,3: 55:[6, 59] Operation: 78-19=59 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[6, 59], Operations: ['95-89=6', '78-19=59'] Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 6*59=354, Resulting Numbers: [354] 354,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[19, 13], Operations: ['95-89=6', '78/6=13'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,55 unequal: No Solution Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[19, 72], Operations: ['95-89=6', '78-6=72'] Exploring Operation: 19*72=1368, Resulting Numbers: [1368] 1368,55 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 19+72=91, Resulting Numbers: [91] 91,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[78, 13], Operations: ['95-89=6', '19-6=13'] Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,55 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,55 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: 55:[89, 19, 17], Operations: ['95-78=17'] Exploring Operation: 89-17=72, Resulting Numbers: [19, 72] Generated Node #0,3,0: 55:[19, 72] Operation: 89-17=72 Exploring Operation: 19-17=2, Resulting Numbers: [89, 2] Generated Node #0,3,1: 55:[89, 2] Operation: 19-17=2 Exploring Operation: 89-19=70, Resulting Numbers: [17, 70] Generated Node #0,3,2: 55:[17, 70] Operation: 89-19=70 Exploring Operation: 19+17=36, Resulting Numbers: [89, 36] Generated Node #0,3,3: 55:[89, 36] Operation: 19+17=36 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[17, 70], Operations: ['95-78=17', '89-19=70'] Exploring Operation: 17*70=1190, Resulting Numbers: [1190] 1190,55 unequal: No Solution Exploring Operation: 17+70=87, Resulting Numbers: [87] 87,55 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[19, 72], Operations: ['95-78=17', '89-17=72'] Exploring Operation: 19+72=91, Resulting Numbers: [91] 91,55 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 19*72=1368, Resulting Numbers: [1368] 1368,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[89, 2], Operations: ['95-78=17', '19-17=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,55 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,55 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[89, 36], Operations: ['95-78=17', '19+17=36'] Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 55:[19, 95, 11], Operations: ['89-78=11'] Exploring Operation: 95-11=84, Resulting Numbers: [19, 84] Generated Node #0,2,0: 55:[19, 84] Operation: 95-11=84 Exploring Operation: 95-19=76, Resulting Numbers: [11, 76] Generated Node #0,2,1: 55:[11, 76] Operation: 95-19=76 Exploring Operation: 19-11=8, Resulting Numbers: [95, 8] Generated Node #0,2,2: 55:[95, 8] Operation: 19-11=8 Exploring Operation: 95/19=5, Resulting Numbers: [11, 5] Generated Node #0,2,3: 55:[11, 5] Operation: 95/19=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[11, 5], Operations: ['89-78=11', '95/19=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[89, 78, 19, 95], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [19, 95, 11] Generated Node #0,2: 55:[19, 95, 11] Operation: 89-78=11 Moving to Node #0,2 Current State: 55:[19, 95, 11], Operations: ['89-78=11'] Exploring Operation: 95/19=5, Resulting Numbers: [11, 5] Generated Node #0,2,3: 55:[11, 5] Operation: 95/19=5 Moving to Node #0,2,3 Current State: 55:[11, 5], Operations: ['89-78=11', '95/19=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 52, 47, 85, 27 ]
50
[ "52-47=5", "27*5=135", "135-85=50" ]
Current State: 50:[52, 47, 85, 27], Operations: [] Exploring Operation: 52-47=5, Resulting Numbers: [85, 27, 5] Generated Node #2: [85, 27, 5] from Operation: 52-47=5 Current State: 50:[85, 27, 5], Operations: ['52-47=5'] Exploring Operation: 27*5=135, Resulting Numbers: [85, 135] Generated Node #3: [85, 135] from Operation: 27*5=135 Current State: 50:[85, 135], Operations: ['52-47=5', '27*5=135'] Exploring Operation: 135-85=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[52, 47, 85, 27], Operations: [] Exploring Operation: 85-27=58, Resulting Numbers: [52, 47, 58] Generated Node #0,0: 50:[52, 47, 58] Operation: 85-27=58 Exploring Operation: 85-52=33, Resulting Numbers: [47, 27, 33] Generated Node #0,1: 50:[47, 27, 33] Operation: 85-52=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[52, 47, 58], Operations: ['85-27=58'] Exploring Operation: 58-52=6, Resulting Numbers: [47, 6] Generated Node #0,0,0: 50:[47, 6] Operation: 58-52=6 Exploring Operation: 58-47=11, Resulting Numbers: [52, 11] Generated Node #0,0,1: 50:[52, 11] Operation: 58-47=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[52, 11], Operations: ['85-27=58', '58-47=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[47, 6], Operations: ['85-27=58', '58-52=6'] Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[47, 27, 33], Operations: ['85-52=33'] Exploring Operation: 47-33=14, Resulting Numbers: [27, 14] Generated Node #0,1,0: 50:[27, 14] Operation: 47-33=14 Exploring Operation: 33-27=6, Resulting Numbers: [47, 6] Generated Node #0,1,1: 50:[47, 6] Operation: 33-27=6 Moving to Node #0,1,1 Current State: 50:[47, 6], Operations: ['85-52=33', '33-27=6'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[27, 14], Operations: ['85-52=33', '47-33=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,50 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
[ 7, 54, 73, 53 ]
27
[ "54-7=47", "73-53=20", "47-20=27" ]
Current State: 27:[7, 54, 73, 53], Operations: [] Exploring Operation: 54-7=47, Resulting Numbers: [73, 53, 47] Generated Node #2: [73, 53, 47] from Operation: 54-7=47 Current State: 27:[73, 53, 47], Operations: ['54-7=47'] Exploring Operation: 73-53=20, Resulting Numbers: [47, 20] Generated Node #3: [47, 20] from Operation: 73-53=20 Current State: 27:[47, 20], Operations: ['54-7=47', '73-53=20'] Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[7, 54, 73, 53], Operations: [] Exploring Operation: 73-54=19, Resulting Numbers: [7, 53, 19] Generated Node #0,0: 27:[7, 53, 19] Operation: 73-54=19 Exploring Operation: 73-53=20, Resulting Numbers: [7, 54, 20] Generated Node #0,1: 27:[7, 54, 20] Operation: 73-53=20 Moving to Node #0,0 Current State: 27:[7, 53, 19], Operations: ['73-54=19'] Exploring Operation: 53-7=46, Resulting Numbers: [19, 46] Generated Node #0,0,0: 27:[19, 46] Operation: 53-7=46 Exploring Operation: 53-19=34, Resulting Numbers: [7, 34] Generated Node #0,0,1: 27:[7, 34] Operation: 53-19=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[7, 34], Operations: ['73-54=19', '53-19=34'] Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[7, 54, 73, 53], Operations: [] Exploring Operation: 73-54=19, Resulting Numbers: [7, 53, 19] Generated Node #0,0: 27:[7, 53, 19] Operation: 73-54=19 Moving to Node #0,0 Current State: 27:[7, 53, 19], Operations: ['73-54=19'] Exploring Operation: 53-19=34, Resulting Numbers: [7, 34] Generated Node #0,0,1: 27:[7, 34] Operation: 53-19=34 Moving to Node #0,0,1 Current State: 27:[7, 34], Operations: ['73-54=19', '53-19=34'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 33, 52, 95, 56 ]
31
[ "52*56=2912", "33+2912=2945", "2945/95=31" ]
Current State: 31:[33, 52, 95, 56], Operations: [] Exploring Operation: 52*56=2912, Resulting Numbers: [33, 95, 2912] Generated Node #2: [33, 95, 2912] from Operation: 52*56=2912 Current State: 31:[33, 95, 2912], Operations: ['52*56=2912'] Exploring Operation: 33+2912=2945, Resulting Numbers: [95, 2945] Generated Node #3: [95, 2945] from Operation: 33+2912=2945 Current State: 31:[95, 2945], Operations: ['52*56=2912', '33+2912=2945'] Exploring Operation: 2945/95=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[33, 52, 95, 56], Operations: [] Exploring Operation: 95-56=39, Resulting Numbers: [33, 52, 39] Generated Node #0,0: 31:[33, 52, 39] Operation: 95-56=39 Moving to Node #0,0 Current State: 31:[33, 52, 39], Operations: ['95-56=39'] Exploring Operation: 52-33=19, Resulting Numbers: [39, 19] Generated Node #0,0,0: 31:[39, 19] Operation: 52-33=19 Moving to Node #0,0,0 Current State: 31:[39, 19], Operations: ['95-56=39', '52-33=19'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,31 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 60, 86, 90, 82 ]
37
[ "90*82=7380", "7380/60=123", "123-86=37" ]
Current State: 37:[60, 86, 90, 82], Operations: [] Exploring Operation: 90*82=7380, Resulting Numbers: [60, 86, 7380] Generated Node #2: [60, 86, 7380] from Operation: 90*82=7380 Current State: 37:[60, 86, 7380], Operations: ['90*82=7380'] Exploring Operation: 7380/60=123, Resulting Numbers: [86, 123] Generated Node #3: [86, 123] from Operation: 7380/60=123 Current State: 37:[86, 123], Operations: ['90*82=7380', '7380/60=123'] Exploring Operation: 123-86=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[60, 86, 90, 82], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [60, 82, 4] Generated Node #0,0: 37:[60, 82, 4] Operation: 90-86=4 Exploring Operation: 90-82=8, Resulting Numbers: [60, 86, 8] Generated Node #0,1: 37:[60, 86, 8] Operation: 90-82=8 Exploring Operation: 90-60=30, Resulting Numbers: [86, 82, 30] Generated Node #0,2: 37:[86, 82, 30] Operation: 90-60=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[60, 82, 4], Operations: ['90-86=4'] Exploring Operation: 82-4=78, Resulting Numbers: [60, 78] Generated Node #0,0,0: 37:[60, 78] Operation: 82-4=78 Exploring Operation: 82-60=22, Resulting Numbers: [4, 22] Generated Node #0,0,1: 37:[4, 22] Operation: 82-60=22 Exploring Operation: 60-4=56, Resulting Numbers: [82, 56] Generated Node #0,0,2: 37:[82, 56] Operation: 60-4=56 Moving to Node #0,0,1 Current State: 37:[4, 22], Operations: ['90-86=4', '82-60=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[60, 78], Operations: ['90-86=4', '82-4=78'] Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 60*78=4680, Resulting Numbers: [4680] 4680,37 unequal: No Solution Exploring Operation: 60+78=138, Resulting Numbers: [138] 138,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[82, 56], Operations: ['90-86=4', '60-4=56'] Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,37 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[60, 86, 8], Operations: ['90-82=8'] Exploring Operation: 86-8=78, Resulting Numbers: [60, 78] Generated Node #0,1,0: 37:[60, 78] Operation: 86-8=78 Exploring Operation: 60-8=52, Resulting Numbers: [86, 52] Generated Node #0,1,1: 37:[86, 52] Operation: 60-8=52 Exploring Operation: 86-60=26, Resulting Numbers: [8, 26] Generated Node #0,1,2: 37:[8, 26] Operation: 86-60=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[8, 26], Operations: ['90-82=8', '86-60=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[60, 78], Operations: ['90-82=8', '86-8=78'] Exploring Operation: 60+78=138, Resulting Numbers: [138] 138,37 unequal: No Solution Exploring Operation: 60*78=4680, Resulting Numbers: [4680] 4680,37 unequal: No Solution Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[86, 52], Operations: ['90-82=8', '60-8=52'] Exploring Operation: 86+52=138, Resulting Numbers: [138] 138,37 unequal: No Solution Exploring Operation: 86*52=4472, Resulting Numbers: [4472] 4472,37 unequal: No Solution Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,37 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: 37:[86, 82, 30], Operations: ['90-60=30'] Exploring Operation: 82-30=52, Resulting Numbers: [86, 52] Generated Node #0,2,0: 37:[86, 52] Operation: 82-30=52 Exploring Operation: 86-82=4, Resulting Numbers: [30, 4] Generated Node #0,2,1: 37:[30, 4] Operation: 86-82=4 Exploring Operation: 86-30=56, Resulting Numbers: [82, 56] Generated Node #0,2,2: 37:[82, 56] Operation: 86-30=56 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[30, 4], Operations: ['90-60=30', '86-82=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[86, 52], Operations: ['90-60=30', '82-30=52'] Exploring Operation: 86*52=4472, Resulting Numbers: [4472] 4472,37 unequal: No Solution Exploring Operation: 86+52=138, Resulting Numbers: [138] 138,37 unequal: No Solution Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[82, 56], Operations: ['90-60=30', '86-30=56'] Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,37 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,37 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 57, 90, 76, 5 ]
66
[ "57+90=147", "76+5=81", "147-81=66" ]
Current State: 66:[57, 90, 76, 5], Operations: [] Exploring Operation: 57+90=147, Resulting Numbers: [76, 5, 147] Generated Node #2: [76, 5, 147] from Operation: 57+90=147 Current State: 66:[76, 5, 147], Operations: ['57+90=147'] Exploring Operation: 76+5=81, Resulting Numbers: [147, 81] Generated Node #3: [147, 81] from Operation: 76+5=81 Current State: 66:[147, 81], Operations: ['57+90=147', '76+5=81'] Exploring Operation: 147-81=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[57, 90, 76, 5], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [76, 5, 33] Generated Node #0,0: 66:[76, 5, 33] Operation: 90-57=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[76, 5, 33], Operations: ['90-57=33'] Exploring Operation: 76-5=71, Resulting Numbers: [33, 71] Generated Node #0,0,0: 66:[33, 71] Operation: 76-5=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[33, 71], Operations: ['90-57=33', '76-5=71'] Exploring Operation: 71-33=38, Resulting Numbers: [38] 38,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 73, 39, 88, 70 ]
94
[ "73+39=112", "88-70=18", "112-18=94" ]
Current State: 94:[73, 39, 88, 70], Operations: [] Exploring Operation: 73+39=112, Resulting Numbers: [88, 70, 112] Generated Node #2: [88, 70, 112] from Operation: 73+39=112 Current State: 94:[88, 70, 112], Operations: ['73+39=112'] Exploring Operation: 88-70=18, Resulting Numbers: [112, 18] Generated Node #3: [112, 18] from Operation: 88-70=18 Current State: 94:[112, 18], Operations: ['73+39=112', '88-70=18'] Exploring Operation: 112-18=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[73, 39, 88, 70], Operations: [] Exploring Operation: 70-39=31, Resulting Numbers: [73, 88, 31] Generated Node #0,0: 94:[73, 88, 31] Operation: 70-39=31 Exploring Operation: 73-39=34, Resulting Numbers: [88, 70, 34] Generated Node #0,1: 94:[88, 70, 34] Operation: 73-39=34 Exploring Operation: 39+70=109, Resulting Numbers: [73, 88, 109] Generated Node #0,2: 94:[73, 88, 109] Operation: 39+70=109 Exploring Operation: 73-70=3, Resulting Numbers: [39, 88, 3] Generated Node #0,3: 94:[39, 88, 3] Operation: 73-70=3 Moving to Node #0,3 Current State: 94:[39, 88, 3], Operations: ['73-70=3'] Exploring Operation: 88-39=49, Resulting Numbers: [3, 49] Generated Node #0,3,0: 94:[3, 49] Operation: 88-39=49 Exploring Operation: 39+3=42, Resulting Numbers: [88, 42] Generated Node #0,3,1: 94:[88, 42] Operation: 39+3=42 Exploring Operation: 39-3=36, Resulting Numbers: [88, 36] Generated Node #0,3,2: 94:[88, 36] Operation: 39-3=36 Exploring Operation: 88+3=91, Resulting Numbers: [39, 91] Generated Node #0,3,3: 94:[39, 91] Operation: 88+3=91 Moving to Node #0,2 Current State: 94:[73, 88, 109], Operations: ['39+70=109'] Exploring Operation: 109-73=36, Resulting Numbers: [88, 36] Generated Node #0,2,0: 94:[88, 36] Operation: 109-73=36 Exploring Operation: 88-73=15, Resulting Numbers: [109, 15] Generated Node #0,2,1: 94:[109, 15] Operation: 88-73=15 Exploring Operation: 73+88=161, Resulting Numbers: [109, 161] Generated Node #0,2,2: 94:[109, 161] Operation: 73+88=161 Exploring Operation: 109-88=21, Resulting Numbers: [73, 21] Generated Node #0,2,3: 94:[73, 21] Operation: 109-88=21 Moving to Node #0,1 Current State: 94:[88, 70, 34], Operations: ['73-39=34'] Exploring Operation: 70-34=36, Resulting Numbers: [88, 36] Generated Node #0,1,0: 94:[88, 36] Operation: 70-34=36 Exploring Operation: 88-70=18, Resulting Numbers: [34, 18] Generated Node #0,1,1: 94:[34, 18] Operation: 88-70=18 Exploring Operation: 88-34=54, Resulting Numbers: [70, 54] Generated Node #0,1,2: 94:[70, 54] Operation: 88-34=54 Exploring Operation: 70+34=104, Resulting Numbers: [88, 104] Generated Node #0,1,3: 94:[88, 104] Operation: 70+34=104 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 94:[88, 104], Operations: ['73-39=34', '70+34=104'] Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,94 unequal: No Solution Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,94 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 #0,1,0 Current State: 94:[88, 36], Operations: ['73-39=34', '70-34=36'] Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,94 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,94 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,94 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 #0,1,1 Current State: 94:[34, 18], Operations: ['73-39=34', '88-70=18'] Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,94 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,94 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 #0,1,2 Current State: 94:[70, 54], Operations: ['73-39=34', '88-34=54'] Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,94 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,94 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: 94:[73, 88, 31], Operations: ['70-39=31'] Exploring Operation: 73-31=42, Resulting Numbers: [88, 42] Generated Node #0,0,0: 94:[88, 42] Operation: 73-31=42 Exploring Operation: 73+31=104, Resulting Numbers: [88, 104] Generated Node #0,0,1: 94:[88, 104] Operation: 73+31=104 Exploring Operation: 88-73=15, Resulting Numbers: [31, 15] Generated Node #0,0,2: 94:[31, 15] Operation: 88-73=15 Exploring Operation: 88-31=57, Resulting Numbers: [73, 57] Generated Node #0,0,3: 94:[73, 57] Operation: 88-31=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[88, 42], Operations: ['70-39=31', '73-31=42'] Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,94 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 #0,0,1 Current State: 94:[88, 104], Operations: ['70-39=31', '73+31=104'] Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,94 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 #0,0,2 Current State: 94:[31, 15], Operations: ['70-39=31', '88-73=15'] Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,94 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,94 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 #0,0,3 Current State: 94:[73, 57], Operations: ['70-39=31', '88-31=57'] Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,94 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 94:[3, 49], Operations: ['73-70=3', '88-39=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[39, 91], Operations: ['73-70=3', '88+3=91'] Exploring Operation: 39*91=3549, Resulting Numbers: [3549] 3549,94 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 39+91=130, Resulting Numbers: [130] 130,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[88, 42], Operations: ['73-70=3', '39+3=42'] Exploring Operation: 88*42=3696, Resulting Numbers: [3696] 3696,94 unequal: No Solution Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 88+42=130, Resulting Numbers: [130] 130,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[88, 36], Operations: ['39+70=109', '109-73=36'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,94 unequal: No Solution Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[88, 36], Operations: ['73-70=3', '39-3=36'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,94 unequal: No Solution Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[109, 15], Operations: ['39+70=109', '88-73=15'] Exploring Operation: 109+15=124, Resulting Numbers: [124] 124,94 unequal: No Solution Exploring Operation: 109-15=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[73, 39, 88, 70], Operations: [] Exploring Operation: 39+70=109, Resulting Numbers: [73, 88, 109] Generated Node #0,2: 94:[73, 88, 109] Operation: 39+70=109 Moving to Node #0,2 Current State: 94:[73, 88, 109], Operations: ['39+70=109'] Exploring Operation: 88-73=15, Resulting Numbers: [109, 15] Generated Node #0,2,1: 94:[109, 15] Operation: 88-73=15 Moving to Node #0,2,1 Current State: 94:[109, 15], Operations: ['39+70=109', '88-73=15'] Exploring Operation: 109-15=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.943576
hs_4
sum_heuristic
[ 70, 58, 41, 66 ]
95
[ "70-58=12", "41+66=107", "107-12=95" ]
Current State: 95:[70, 58, 41, 66], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [41, 66, 12] Generated Node #2: [41, 66, 12] from Operation: 70-58=12 Current State: 95:[41, 66, 12], Operations: ['70-58=12'] Exploring Operation: 41+66=107, Resulting Numbers: [12, 107] Generated Node #3: [12, 107] from Operation: 41+66=107 Current State: 95:[12, 107], Operations: ['70-58=12', '41+66=107'] Exploring Operation: 107-12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[70, 58, 41, 66], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [70, 41, 8] Generated Node #0,0: 95:[70, 41, 8] Operation: 66-58=8 Exploring Operation: 58-41=17, Resulting Numbers: [70, 66, 17] Generated Node #0,1: 95:[70, 66, 17] Operation: 58-41=17 Exploring Operation: 70-58=12, Resulting Numbers: [41, 66, 12] Generated Node #0,2: 95:[41, 66, 12] Operation: 70-58=12 Exploring Operation: 58+41=99, Resulting Numbers: [70, 66, 99] Generated Node #0,3: 95:[70, 66, 99] Operation: 58+41=99 Exploring Operation: 70-66=4, Resulting Numbers: [58, 41, 4] Generated Node #0,4: 95:[58, 41, 4] Operation: 70-66=4 Moving to Node #0,0 Current State: 95:[70, 41, 8], Operations: ['66-58=8'] Exploring Operation: 70-8=62, Resulting Numbers: [41, 62] Generated Node #0,0,0: 95:[41, 62] Operation: 70-8=62 Exploring Operation: 70-41=29, Resulting Numbers: [8, 29] Generated Node #0,0,1: 95:[8, 29] Operation: 70-41=29 Exploring Operation: 70+41=111, Resulting Numbers: [8, 111] Generated Node #0,0,2: 95:[8, 111] Operation: 70+41=111 Exploring Operation: 70+8=78, Resulting Numbers: [41, 78] Generated Node #0,0,3: 95:[41, 78] Operation: 70+8=78 Exploring Operation: 41-8=33, Resulting Numbers: [70, 33] Generated Node #0,0,4: 95:[70, 33] Operation: 41-8=33 Moving to Node #0,1 Current State: 95:[70, 66, 17], Operations: ['58-41=17'] Exploring Operation: 70+17=87, Resulting Numbers: [66, 87] Generated Node #0,1,0: 95:[66, 87] Operation: 70+17=87 Exploring Operation: 66+17=83, Resulting Numbers: [70, 83] Generated Node #0,1,1: 95:[70, 83] Operation: 66+17=83 Exploring Operation: 66-17=49, Resulting Numbers: [70, 49] Generated Node #0,1,2: 95:[70, 49] Operation: 66-17=49 Exploring Operation: 70-66=4, Resulting Numbers: [17, 4] Generated Node #0,1,3: 95:[17, 4] Operation: 70-66=4 Exploring Operation: 70+66=136, Resulting Numbers: [17, 136] Generated Node #0,1,4: 95:[17, 136] Operation: 70+66=136 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 95:[17, 4], Operations: ['58-41=17', '70-66=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[66, 87], Operations: ['58-41=17', '70+17=87'] Exploring Operation: 66*87=5742, Resulting Numbers: [5742] 5742,95 unequal: No Solution Exploring Operation: 87-66=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 66+87=153, Resulting Numbers: [153] 153,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[70, 83], Operations: ['58-41=17', '66+17=83'] Exploring Operation: 70+83=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 70*83=5810, Resulting Numbers: [5810] 5810,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 95:[17, 136], Operations: ['58-41=17', '70+66=136'] Exploring Operation: 17*136=2312, Resulting Numbers: [2312] 2312,95 unequal: No Solution Exploring Operation: 136-17=119, Resulting Numbers: [119] 119,95 unequal: No Solution Exploring Operation: 136/17=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 17+136=153, Resulting Numbers: [153] 153,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[70, 49], Operations: ['58-41=17', '66-17=49'] Exploring Operation: 70*49=3430, Resulting Numbers: [3430] 3430,95 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 70+49=119, Resulting Numbers: [119] 119,95 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: 95:[41, 66, 12], Operations: ['70-58=12'] Exploring Operation: 41-12=29, Resulting Numbers: [66, 29] Generated Node #0,2,0: 95:[66, 29] Operation: 41-12=29 Exploring Operation: 66-12=54, Resulting Numbers: [41, 54] Generated Node #0,2,1: 95:[41, 54] Operation: 66-12=54 Exploring Operation: 66+12=78, Resulting Numbers: [41, 78] Generated Node #0,2,2: 95:[41, 78] Operation: 66+12=78 Exploring Operation: 66-41=25, Resulting Numbers: [12, 25] Generated Node #0,2,3: 95:[12, 25] Operation: 66-41=25 Exploring Operation: 41+66=107, Resulting Numbers: [12, 107] Generated Node #0,2,4: 95:[12, 107] Operation: 41+66=107 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 95:[12, 25], Operations: ['70-58=12', '66-41=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,95 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,95 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 95:[12, 107], Operations: ['70-58=12', '41+66=107'] Exploring Operation: 107-12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[70, 58, 41, 66], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [41, 66, 12] Generated Node #0,2: 95:[41, 66, 12] Operation: 70-58=12 Moving to Node #0,2 Current State: 95:[41, 66, 12], Operations: ['70-58=12'] Exploring Operation: 41+66=107, Resulting Numbers: [12, 107] Generated Node #0,2,4: 95:[12, 107] Operation: 41+66=107 Moving to Node #0,2,4 Current State: 95:[12, 107], Operations: ['70-58=12', '41+66=107'] Exploring Operation: 107-12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 5, 55, 77, 8 ]
72
[ "77+8=85", "85/5=17", "55+17=72" ]
Current State: 72:[5, 55, 77, 8], Operations: [] Exploring Operation: 77+8=85, Resulting Numbers: [5, 55, 85] Generated Node #2: [5, 55, 85] from Operation: 77+8=85 Current State: 72:[5, 55, 85], Operations: ['77+8=85'] Exploring Operation: 85/5=17, Resulting Numbers: [55, 17] Generated Node #3: [55, 17] from Operation: 85/5=17 Current State: 72:[55, 17], Operations: ['77+8=85', '85/5=17'] Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[5, 55, 77, 8], Operations: [] Exploring Operation: 5+55=60, Resulting Numbers: [77, 8, 60] Generated Node #0,0: 72:[77, 8, 60] Operation: 5+55=60 Exploring Operation: 77-55=22, Resulting Numbers: [5, 8, 22] Generated Node #0,1: 72:[5, 8, 22] Operation: 77-55=22 Exploring Operation: 55/5=11, Resulting Numbers: [77, 8, 11] Generated Node #0,2: 72:[77, 8, 11] Operation: 55/5=11 Exploring Operation: 55+8=63, Resulting Numbers: [5, 77, 63] Generated Node #0,3: 72:[5, 77, 63] Operation: 55+8=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[5, 8, 22], Operations: ['77-55=22'] Exploring Operation: 5+22=27, Resulting Numbers: [8, 27] Generated Node #0,1,0: 72:[8, 27] Operation: 5+22=27 Exploring Operation: 8-5=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 72:[22, 3] Operation: 8-5=3 Exploring Operation: 22-5=17, Resulting Numbers: [8, 17] Generated Node #0,1,2: 72:[8, 17] Operation: 22-5=17 Exploring Operation: 5+8=13, Resulting Numbers: [22, 13] Generated Node #0,1,3: 72:[22, 13] Operation: 5+8=13 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[8, 17], Operations: ['77-55=22', '22-5=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[22, 3], Operations: ['77-55=22', '8-5=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,72 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,72 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[8, 27], Operations: ['77-55=22', '5+22=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,72 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 72:[22, 13], Operations: ['77-55=22', '5+8=13'] Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,72 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[77, 8, 11], Operations: ['55/5=11'] Exploring Operation: 77-11=66, Resulting Numbers: [8, 66] Generated Node #0,2,0: 72:[8, 66] Operation: 77-11=66 Exploring Operation: 77-8=69, Resulting Numbers: [11, 69] Generated Node #0,2,1: 72:[11, 69] Operation: 77-8=69 Exploring Operation: 11-8=3, Resulting Numbers: [77, 3] Generated Node #0,2,2: 72:[77, 3] Operation: 11-8=3 Exploring Operation: 77/11=7, Resulting Numbers: [8, 7] Generated Node #0,2,3: 72:[8, 7] Operation: 77/11=7 Moving to Node #0,2,3 Current State: 72:[8, 7], Operations: ['55/5=11', '77/11=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[11, 69], Operations: ['55/5=11', '77-8=69'] Exploring Operation: 11*69=759, Resulting Numbers: [759] 759,72 unequal: No Solution Exploring Operation: 69-11=58, Resulting Numbers: [58] 58,72 unequal: No Solution Exploring Operation: 11+69=80, Resulting Numbers: [80] 80,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[77, 3], Operations: ['55/5=11', '11-8=3'] Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,72 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[8, 66], Operations: ['55/5=11', '77-11=66'] Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,72 unequal: No Solution Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,72 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 72:[5, 77, 63], Operations: ['55+8=63'] Exploring Operation: 77-63=14, Resulting Numbers: [5, 14] Generated Node #0,3,0: 72:[5, 14] Operation: 77-63=14 Exploring Operation: 5+77=82, Resulting Numbers: [63, 82] Generated Node #0,3,1: 72:[63, 82] Operation: 5+77=82 Exploring Operation: 5+63=68, Resulting Numbers: [77, 68] Generated Node #0,3,2: 72:[77, 68] Operation: 5+63=68 Exploring Operation: 77-5=72, Resulting Numbers: [63, 72] Generated Node #0,3,3: 72:[63, 72] Operation: 77-5=72 Moving to Node #0,3,0 Current State: 72:[5, 14], Operations: ['55+8=63', '77-63=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,72 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[63, 72], Operations: ['55+8=63', '77-5=72'] Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,72 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[77, 68], Operations: ['55+8=63', '5+63=68'] Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 77*68=5236, Resulting Numbers: [5236] 5236,72 unequal: No Solution Exploring Operation: 77+68=145, Resulting Numbers: [145] 145,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[63, 82], Operations: ['55+8=63', '5+77=82'] Exploring Operation: 63*82=5166, Resulting Numbers: [5166] 5166,72 unequal: No Solution Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 63+82=145, Resulting Numbers: [145] 145,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[77, 8, 60], Operations: ['5+55=60'] Exploring Operation: 8+60=68, Resulting Numbers: [77, 68] Generated Node #0,0,0: 72:[77, 68] Operation: 8+60=68 Exploring Operation: 77-8=69, Resulting Numbers: [60, 69] Generated Node #0,0,1: 72:[60, 69] Operation: 77-8=69 Exploring Operation: 77-60=17, Resulting Numbers: [8, 17] Generated Node #0,0,2: 72:[8, 17] Operation: 77-60=17 Exploring Operation: 60-8=52, Resulting Numbers: [77, 52] Generated Node #0,0,3: 72:[77, 52] Operation: 60-8=52 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 72:[8, 17], Operations: ['5+55=60', '77-60=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[77, 68], Operations: ['5+55=60', '8+60=68'] Exploring Operation: 77+68=145, Resulting Numbers: [145] 145,72 unequal: No Solution Exploring Operation: 77*68=5236, Resulting Numbers: [5236] 5236,72 unequal: No Solution Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[60, 69], Operations: ['5+55=60', '77-8=69'] Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,72 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,72 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 72:[77, 52], Operations: ['5+55=60', '60-8=52'] Exploring Operation: 77+52=129, Resulting Numbers: [129] 129,72 unequal: No Solution Exploring Operation: 77*52=4004, Resulting Numbers: [4004] 4004,72 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 84, 83, 30, 46 ]
75
[ "84-83=1", "30+46=76", "76-1=75" ]
Current State: 75:[84, 83, 30, 46], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [30, 46, 1] Generated Node #2: [30, 46, 1] from Operation: 84-83=1 Current State: 75:[30, 46, 1], Operations: ['84-83=1'] Exploring Operation: 30+46=76, Resulting Numbers: [1, 76] Generated Node #3: [1, 76] from Operation: 30+46=76 Current State: 75:[1, 76], Operations: ['84-83=1', '30+46=76'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[84, 83, 30, 46], Operations: [] Exploring Operation: 30+46=76, Resulting Numbers: [84, 83, 76] Generated Node #0,0: 75:[84, 83, 76] Operation: 30+46=76 Exploring Operation: 46-30=16, Resulting Numbers: [84, 83, 16] Generated Node #0,1: 75:[84, 83, 16] Operation: 46-30=16 Exploring Operation: 84-46=38, Resulting Numbers: [83, 30, 38] Generated Node #0,2: 75:[83, 30, 38] Operation: 84-46=38 Exploring Operation: 83-46=37, Resulting Numbers: [84, 30, 37] Generated Node #0,3: 75:[84, 30, 37] Operation: 83-46=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[84, 83, 76], Operations: ['30+46=76'] Exploring Operation: 84+83=167, Resulting Numbers: [76, 167] Generated Node #0,0,0: 75:[76, 167] Operation: 84+83=167 Exploring Operation: 83-76=7, Resulting Numbers: [84, 7] Generated Node #0,0,1: 75:[84, 7] Operation: 83-76=7 Exploring Operation: 84-83=1, Resulting Numbers: [76, 1] Generated Node #0,0,2: 75:[76, 1] Operation: 84-83=1 Exploring Operation: 84-76=8, Resulting Numbers: [83, 8] Generated Node #0,0,3: 75:[83, 8] Operation: 84-76=8 Moving to Node #0,0,2 Current State: 75:[76, 1], Operations: ['30+46=76', '84-83=1'] Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[84, 83, 30, 46], Operations: [] Exploring Operation: 30+46=76, Resulting Numbers: [84, 83, 76] Generated Node #0,0: 75:[84, 83, 76] Operation: 30+46=76 Moving to Node #0,0 Current State: 75:[84, 83, 76], Operations: ['30+46=76'] Exploring Operation: 84-83=1, Resulting Numbers: [76, 1] Generated Node #0,0,2: 75:[76, 1] Operation: 84-83=1 Moving to Node #0,0,2 Current State: 75:[76, 1], Operations: ['30+46=76', '84-83=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 6, 9, 42, 76 ]
48
[ "6*42=252", "252/9=28", "76-28=48" ]
Current State: 48:[6, 9, 42, 76], Operations: [] Exploring Operation: 6*42=252, Resulting Numbers: [9, 76, 252] Generated Node #2: [9, 76, 252] from Operation: 6*42=252 Current State: 48:[9, 76, 252], Operations: ['6*42=252'] Exploring Operation: 252/9=28, Resulting Numbers: [76, 28] Generated Node #3: [76, 28] from Operation: 252/9=28 Current State: 48:[76, 28], Operations: ['6*42=252', '252/9=28'] Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[6, 9, 42, 76], Operations: [] Exploring Operation: 76-42=34, Resulting Numbers: [6, 9, 34] Generated Node #0,0: 48:[6, 9, 34] Operation: 76-42=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[6, 9, 34], Operations: ['76-42=34'] Exploring Operation: 34-9=25, Resulting Numbers: [6, 25] Generated Node #0,0,0: 48:[6, 25] Operation: 34-9=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[6, 25], Operations: ['76-42=34', '34-9=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,48 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
[ 79, 31, 96, 17 ]
94
[ "79-17=62", "62/31=2", "96-2=94" ]
Current State: 94:[79, 31, 96, 17], Operations: [] Exploring Operation: 79-17=62, Resulting Numbers: [31, 96, 62] Generated Node #2: [31, 96, 62] from Operation: 79-17=62 Current State: 94:[31, 96, 62], Operations: ['79-17=62'] Exploring Operation: 62/31=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 62/31=2 Current State: 94:[96, 2], Operations: ['79-17=62', '62/31=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[79, 31, 96, 17], Operations: [] Exploring Operation: 79+17=96, Resulting Numbers: [31, 96, 96] Generated Node #0,0: 94:[31, 96, 96] Operation: 79+17=96 Exploring Operation: 79-31=48, Resulting Numbers: [96, 17, 48] Generated Node #0,1: 94:[96, 17, 48] Operation: 79-31=48 Exploring Operation: 31+17=48, Resulting Numbers: [79, 96, 48] Generated Node #0,2: 94:[79, 96, 48] Operation: 31+17=48 Moving to Node #0,1 Current State: 94:[96, 17, 48], Operations: ['79-31=48'] Exploring Operation: 96-17=79, Resulting Numbers: [48, 79] Generated Node #0,1,0: 94:[48, 79] Operation: 96-17=79 Exploring Operation: 96-48=48, Resulting Numbers: [17, 48] Generated Node #0,1,1: 94:[17, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [17, 2] Generated Node #0,1,2: 94:[17, 2] Operation: 96/48=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[17, 2], Operations: ['79-31=48', '96/48=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,94 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,94 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,94 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 #0,1,0 Current State: 94:[48, 79], Operations: ['79-31=48', '96-17=79'] Exploring Operation: 48*79=3792, Resulting Numbers: [3792] 3792,94 unequal: No Solution Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 48+79=127, Resulting Numbers: [127] 127,94 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 #0,1,1 Current State: 94:[17, 48], Operations: ['79-31=48', '96-48=48'] Exploring Operation: 17*48=816, Resulting Numbers: [816] 816,94 unequal: No Solution Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,94 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: 94:[79, 96, 48], Operations: ['31+17=48'] Exploring Operation: 96/48=2, Resulting Numbers: [79, 2] Generated Node #0,2,0: 94:[79, 2] Operation: 96/48=2 Exploring Operation: 96-79=17, Resulting Numbers: [48, 17] Generated Node #0,2,1: 94:[48, 17] Operation: 96-79=17 Exploring Operation: 96-48=48, Resulting Numbers: [79, 48] Generated Node #0,2,2: 94:[79, 48] Operation: 96-48=48 Moving to Node #0,0 Current State: 94:[31, 96, 96], Operations: ['79+17=96'] Exploring Operation: 96/96=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 94:[31, 1] Operation: 96/96=1 Exploring Operation: 96-31=65, Resulting Numbers: [96, 65] Generated Node #0,0,1: 94:[96, 65] Operation: 96-31=65 Exploring Operation: 96-96=0, Resulting Numbers: [31, 0] Generated Node #0,0,2: 94:[31, 0] Operation: 96-96=0 Moving to Node #0,2,0 Current State: 94:[79, 2], Operations: ['31+17=48', '96/48=2'] Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,94 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,94 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[79, 48], Operations: ['31+17=48', '96-48=48'] Exploring Operation: 79+48=127, Resulting Numbers: [127] 127,94 unequal: No Solution Exploring Operation: 79*48=3792, Resulting Numbers: [3792] 3792,94 unequal: No Solution Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[48, 17], Operations: ['31+17=48', '96-79=17'] Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,94 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[31, 1], Operations: ['79+17=96', '96/96=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[31, 0], Operations: ['79+17=96', '96-96=0'] Exploring Operation: 31*0=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 31-0=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 31+0=31, Resulting Numbers: [31] 31,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[96, 65], Operations: ['79+17=96', '96-31=65'] Exploring Operation: 96*65=6240, Resulting Numbers: [6240] 6240,94 unequal: No Solution Exploring Operation: 96-65=31, Resulting Numbers: [31] 31,94 unequal: No Solution Exploring Operation: 96+65=161, Resulting Numbers: [161] 161,94 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 56, 26, 4, 13 ]
65
[ "56+26=82", "4+13=17", "82-17=65" ]
Current State: 65:[56, 26, 4, 13], Operations: [] Exploring Operation: 56+26=82, Resulting Numbers: [4, 13, 82] Generated Node #2: [4, 13, 82] from Operation: 56+26=82 Current State: 65:[4, 13, 82], Operations: ['56+26=82'] Exploring Operation: 4+13=17, Resulting Numbers: [82, 17] Generated Node #3: [82, 17] from Operation: 4+13=17 Current State: 65:[82, 17], Operations: ['56+26=82', '4+13=17'] Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[56, 26, 4, 13], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [56, 4, 2] Generated Node #0,0: 65:[56, 4, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [56, 4, 13] Generated Node #0,1: 65:[56, 4, 13] Operation: 26-13=13 Moving to Node #0,1 Current State: 65:[56, 4, 13], Operations: ['26-13=13'] Exploring Operation: 56/4=14, Resulting Numbers: [13, 14] Generated Node #0,1,0: 65:[13, 14] Operation: 56/4=14 Exploring Operation: 56+4=60, Resulting Numbers: [13, 60] Generated Node #0,1,1: 65:[13, 60] Operation: 56+4=60 Moving to Node #0,0 Current State: 65:[56, 4, 2], Operations: ['26/13=2'] Exploring Operation: 56+4=60, Resulting Numbers: [2, 60] Generated Node #0,0,0: 65:[2, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 65:[2, 14] Operation: 56/4=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[2, 14], Operations: ['26/13=2', '56/4=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[2, 60], Operations: ['26/13=2', '56+4=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 65:[13, 14], Operations: ['26-13=13', '56/4=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[13, 60], Operations: ['26-13=13', '56+4=60'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 13+60=73, Resulting Numbers: [73] 73,65 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 55, 30, 96, 48 ]
37
[ "55+30=85", "96-48=48", "85-48=37" ]
Current State: 37:[55, 30, 96, 48], Operations: [] Exploring Operation: 55+30=85, Resulting Numbers: [96, 48, 85] Generated Node #2: [96, 48, 85] from Operation: 55+30=85 Current State: 37:[96, 48, 85], Operations: ['55+30=85'] Exploring Operation: 96-48=48, Resulting Numbers: [85, 48] Generated Node #3: [85, 48] from Operation: 96-48=48 Current State: 37:[85, 48], Operations: ['55+30=85', '96-48=48'] Exploring Operation: 85-48=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[55, 30, 96, 48], Operations: [] Exploring Operation: 96-30=66, Resulting Numbers: [55, 48, 66] Generated Node #0,0: 37:[55, 48, 66] Operation: 96-30=66 Exploring Operation: 96-48=48, Resulting Numbers: [55, 30, 48] Generated Node #0,1: 37:[55, 30, 48] Operation: 96-48=48 Exploring Operation: 96-55=41, Resulting Numbers: [30, 48, 41] Generated Node #0,2: 37:[30, 48, 41] Operation: 96-55=41 Moving to Node #0,2 Current State: 37:[30, 48, 41], Operations: ['96-55=41'] Exploring Operation: 48-30=18, Resulting Numbers: [41, 18] Generated Node #0,2,0: 37:[41, 18] Operation: 48-30=18 Exploring Operation: 48-41=7, Resulting Numbers: [30, 7] Generated Node #0,2,1: 37:[30, 7] Operation: 48-41=7 Exploring Operation: 41-30=11, Resulting Numbers: [48, 11] Generated Node #0,2,2: 37:[48, 11] Operation: 41-30=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[41, 18], Operations: ['96-55=41', '48-30=18'] Exploring Operation: 41*18=738, Resulting Numbers: [738] 738,37 unequal: No Solution Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[30, 7], Operations: ['96-55=41', '48-41=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,37 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,37 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[55, 30, 96, 48], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [30, 48, 41] Generated Node #0,2: 37:[30, 48, 41] Operation: 96-55=41 Moving to Node #0,2 Current State: 37:[30, 48, 41], Operations: ['96-55=41'] Exploring Operation: 48-41=7, Resulting Numbers: [30, 7] Generated Node #0,2,1: 37:[30, 7] Operation: 48-41=7 Moving to Node #0,2,1 Current State: 37:[30, 7], Operations: ['96-55=41', '48-41=7'] Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 98, 3, 77, 76 ]
53
[ "98+77=175", "3*76=228", "228-175=53" ]
Current State: 53:[98, 3, 77, 76], Operations: [] Exploring Operation: 98+77=175, Resulting Numbers: [3, 76, 175] Generated Node #2: [3, 76, 175] from Operation: 98+77=175 Current State: 53:[3, 76, 175], Operations: ['98+77=175'] Exploring Operation: 3*76=228, Resulting Numbers: [175, 228] Generated Node #3: [175, 228] from Operation: 3*76=228 Current State: 53:[175, 228], Operations: ['98+77=175', '3*76=228'] Exploring Operation: 228-175=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[98, 3, 77, 76], Operations: [] Exploring Operation: 77-3=74, Resulting Numbers: [98, 76, 74] Generated Node #0,0: 53:[98, 76, 74] Operation: 77-3=74 Exploring Operation: 98-3=95, Resulting Numbers: [77, 76, 95] Generated Node #0,1: 53:[77, 76, 95] Operation: 98-3=95 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[98, 76, 74], Operations: ['77-3=74'] Exploring Operation: 98-74=24, Resulting Numbers: [76, 24] Generated Node #0,0,0: 53:[76, 24] Operation: 98-74=24 Exploring Operation: 98-76=22, Resulting Numbers: [74, 22] Generated Node #0,0,1: 53:[74, 22] Operation: 98-76=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[76, 24], Operations: ['77-3=74', '98-74=24'] Exploring Operation: 76+24=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[74, 22], Operations: ['77-3=74', '98-76=22'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[77, 76, 95], Operations: ['98-3=95'] Exploring Operation: 95-77=18, Resulting Numbers: [76, 18] Generated Node #0,1,0: 53:[76, 18] Operation: 95-77=18 Exploring Operation: 95-76=19, Resulting Numbers: [77, 19] Generated Node #0,1,1: 53:[77, 19] Operation: 95-76=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[76, 18], Operations: ['98-3=95', '95-77=18'] Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,53 unequal: No Solution Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[77, 19], Operations: ['98-3=95', '95-76=19'] Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,53 unequal: No Solution Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,53 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_2
mult_heuristic
[ 68, 48, 6, 8 ]
40
[ "68-48=20", "8-6=2", "20*2=40" ]
Current State: 40:[68, 48, 6, 8], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [6, 8, 20] Generated Node #2: [6, 8, 20] from Operation: 68-48=20 Current State: 40:[6, 8, 20], Operations: ['68-48=20'] Exploring Operation: 8-6=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 8-6=2 Current State: 40:[20, 2], Operations: ['68-48=20', '8-6=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[68, 48, 6, 8], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [6, 8, 20] Generated Node #0,0: 40:[6, 8, 20] Operation: 68-48=20 Exploring Operation: 48/6=8, Resulting Numbers: [68, 8, 8] Generated Node #0,1: 40:[68, 8, 8] Operation: 48/6=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[6, 8, 20], Operations: ['68-48=20'] Exploring Operation: 20-8=12, Resulting Numbers: [6, 12] Generated Node #0,0,0: 40:[6, 12] Operation: 20-8=12 Exploring Operation: 8-6=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 40:[20, 2] Operation: 8-6=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[20, 2], Operations: ['68-48=20', '8-6=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[68, 48, 6, 8], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [6, 8, 20] Generated Node #0,0: 40:[6, 8, 20] Operation: 68-48=20 Moving to Node #0,0 Current State: 40:[6, 8, 20], Operations: ['68-48=20'] Exploring Operation: 8-6=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 40:[20, 2] Operation: 8-6=2 Moving to Node #0,0,1 Current State: 40:[20, 2], Operations: ['68-48=20', '8-6=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 91, 46, 62, 66 ]
94
[ "91*46=4186", "62*66=4092", "4186-4092=94" ]
Current State: 94:[91, 46, 62, 66], Operations: [] Exploring Operation: 91*46=4186, Resulting Numbers: [62, 66, 4186] Generated Node #2: [62, 66, 4186] from Operation: 91*46=4186 Current State: 94:[62, 66, 4186], Operations: ['91*46=4186'] Exploring Operation: 62*66=4092, Resulting Numbers: [4186, 4092] Generated Node #3: [4186, 4092] from Operation: 62*66=4092 Current State: 94:[4186, 4092], Operations: ['91*46=4186', '62*66=4092'] Exploring Operation: 4186-4092=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[91, 46, 62, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [91, 46, 4] Generated Node #0,0: 94:[91, 46, 4] Operation: 66-62=4 Exploring Operation: 46+62=108, Resulting Numbers: [91, 66, 108] Generated Node #0,1: 94:[91, 66, 108] Operation: 46+62=108 Exploring Operation: 91-46=45, Resulting Numbers: [62, 66, 45] Generated Node #0,2: 94:[62, 66, 45] Operation: 91-46=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[91, 46, 4], Operations: ['66-62=4'] Exploring Operation: 91+4=95, Resulting Numbers: [46, 95] Generated Node #0,0,0: 94:[46, 95] Operation: 91+4=95 Exploring Operation: 91-46=45, Resulting Numbers: [4, 45] Generated Node #0,0,1: 94:[4, 45] Operation: 91-46=45 Exploring Operation: 46+4=50, Resulting Numbers: [91, 50] Generated Node #0,0,2: 94:[91, 50] Operation: 46+4=50 Moving to Node #0,0,0 Current State: 94:[46, 95], Operations: ['66-62=4', '91+4=95'] Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,94 unequal: No Solution Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,94 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[4, 45], Operations: ['66-62=4', '91-46=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,94 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[91, 50], Operations: ['66-62=4', '46+4=50'] Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 91*50=4550, Resulting Numbers: [4550] 4550,94 unequal: No Solution Exploring Operation: 91+50=141, Resulting Numbers: [141] 141,94 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 #0,1 Current State: 94:[91, 66, 108], Operations: ['46+62=108'] Exploring Operation: 108-66=42, Resulting Numbers: [91, 42] Generated Node #0,1,0: 94:[91, 42] Operation: 108-66=42 Exploring Operation: 91-66=25, Resulting Numbers: [108, 25] Generated Node #0,1,1: 94:[108, 25] Operation: 91-66=25 Exploring Operation: 108-91=17, Resulting Numbers: [66, 17] Generated Node #0,1,2: 94:[66, 17] Operation: 108-91=17 Moving to Node #0,1,0 Current State: 94:[91, 42], Operations: ['46+62=108', '108-66=42'] Exploring Operation: 91-42=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 91*42=3822, Resulting Numbers: [3822] 3822,94 unequal: No Solution Exploring Operation: 91+42=133, Resulting Numbers: [133] 133,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[66, 17], Operations: ['46+62=108', '108-91=17'] Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,94 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[108, 25], Operations: ['46+62=108', '91-66=25'] Exploring Operation: 108*25=2700, Resulting Numbers: [2700] 2700,94 unequal: No Solution Exploring Operation: 108-25=83, Resulting Numbers: [83] 83,94 unequal: No Solution Exploring Operation: 108+25=133, Resulting Numbers: [133] 133,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[62, 66, 45], Operations: ['91-46=45'] Exploring Operation: 66+45=111, Resulting Numbers: [62, 111] Generated Node #0,2,0: 94:[62, 111] Operation: 66+45=111 Exploring Operation: 66-62=4, Resulting Numbers: [45, 4] Generated Node #0,2,1: 94:[45, 4] Operation: 66-62=4 Exploring Operation: 62+45=107, Resulting Numbers: [66, 107] Generated Node #0,2,2: 94:[66, 107] Operation: 62+45=107 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[45, 4], Operations: ['91-46=45', '66-62=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,94 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[62, 111], Operations: ['91-46=45', '66+45=111'] Exploring Operation: 111-62=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 62+111=173, Resulting Numbers: [173] 173,94 unequal: No Solution Exploring Operation: 62*111=6882, Resulting Numbers: [6882] 6882,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[66, 107], Operations: ['91-46=45', '62+45=107'] Exploring Operation: 66+107=173, Resulting Numbers: [173] 173,94 unequal: No Solution Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 66*107=7062, Resulting Numbers: [7062] 7062,94 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 No solution found.
0
hs_3
mult_heuristic
[ 36, 51, 33, 78 ]
95
[ "36-33=3", "51/3=17", "78+17=95" ]
Current State: 95:[36, 51, 33, 78], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [51, 78, 3] Generated Node #2: [51, 78, 3] from Operation: 36-33=3 Current State: 95:[51, 78, 3], Operations: ['36-33=3'] Exploring Operation: 51/3=17, Resulting Numbers: [78, 17] Generated Node #3: [78, 17] from Operation: 51/3=17 Current State: 95:[78, 17], Operations: ['36-33=3', '51/3=17'] Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[36, 51, 33, 78], Operations: [] Exploring Operation: 51-36=15, Resulting Numbers: [33, 78, 15] Generated Node #0,0: 95:[33, 78, 15] Operation: 51-36=15 Exploring Operation: 51-33=18, Resulting Numbers: [36, 78, 18] Generated Node #0,1: 95:[36, 78, 18] Operation: 51-33=18 Exploring Operation: 78-51=27, Resulting Numbers: [36, 33, 27] Generated Node #0,2: 95:[36, 33, 27] Operation: 78-51=27 Exploring Operation: 36+51=87, Resulting Numbers: [33, 78, 87] Generated Node #0,3: 95:[33, 78, 87] Operation: 36+51=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[33, 78, 15], Operations: ['51-36=15'] Exploring Operation: 33+78=111, Resulting Numbers: [15, 111] Generated Node #0,0,0: 95:[15, 111] Operation: 33+78=111 Exploring Operation: 33-15=18, Resulting Numbers: [78, 18] Generated Node #0,0,1: 95:[78, 18] Operation: 33-15=18 Exploring Operation: 78-33=45, Resulting Numbers: [15, 45] Generated Node #0,0,2: 95:[15, 45] Operation: 78-33=45 Exploring Operation: 78+15=93, Resulting Numbers: [33, 93] Generated Node #0,0,3: 95:[33, 93] Operation: 78+15=93 Moving to Node #0,0,3 Current State: 95:[33, 93], Operations: ['51-36=15', '78+15=93'] Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 33+93=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 33*93=3069, Resulting Numbers: [3069] 3069,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[78, 18], Operations: ['51-36=15', '33-15=18'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[15, 111], Operations: ['51-36=15', '33+78=111'] Exploring Operation: 15+111=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 111-15=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 15*111=1665, Resulting Numbers: [1665] 1665,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[15, 45], Operations: ['51-36=15', '78-33=45'] Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 15*45=675, Resulting Numbers: [675] 675,95 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[36, 78, 18], Operations: ['51-33=18'] Exploring Operation: 36/18=2, Resulting Numbers: [78, 2] Generated Node #0,1,0: 95:[78, 2] Operation: 36/18=2 Exploring Operation: 78+18=96, Resulting Numbers: [36, 96] Generated Node #0,1,1: 95:[36, 96] Operation: 78+18=96 Exploring Operation: 36-18=18, Resulting Numbers: [78, 18] Generated Node #0,1,2: 95:[78, 18] Operation: 36-18=18 Exploring Operation: 36+78=114, Resulting Numbers: [18, 114] Generated Node #0,1,3: 95:[18, 114] Operation: 36+78=114 Moving to Node #0,1,1 Current State: 95:[36, 96], Operations: ['51-33=18', '78+18=96'] Exploring Operation: 36+96=132, Resulting Numbers: [132] 132,95 unequal: No Solution Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,95 unequal: No Solution Exploring Operation: 36*96=3456, Resulting Numbers: [3456] 3456,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[78, 18], Operations: ['51-33=18', '36-18=18'] Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,95 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[18, 114], Operations: ['51-33=18', '36+78=114'] Exploring Operation: 18+114=132, Resulting Numbers: [132] 132,95 unequal: No Solution Exploring Operation: 114-18=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 18*114=2052, Resulting Numbers: [2052] 2052,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[78, 2], Operations: ['51-33=18', '36/18=2'] Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,95 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,95 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,95 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[36, 33, 27], Operations: ['78-51=27'] Exploring Operation: 36-33=3, Resulting Numbers: [27, 3] Generated Node #0,2,0: 95:[27, 3] Operation: 36-33=3 Exploring Operation: 36+33=69, Resulting Numbers: [27, 69] Generated Node #0,2,1: 95:[27, 69] Operation: 36+33=69 Exploring Operation: 36-27=9, Resulting Numbers: [33, 9] Generated Node #0,2,2: 95:[33, 9] Operation: 36-27=9 Exploring Operation: 33-27=6, Resulting Numbers: [36, 6] Generated Node #0,2,3: 95:[36, 6] Operation: 33-27=6 Moving to Node #0,2,0 Current State: 95:[27, 3], Operations: ['78-51=27', '36-33=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,95 unequal: No Solution Moving to Node #0,2,3 Current State: 95:[36, 6], Operations: ['78-51=27', '33-27=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,95 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[33, 9], Operations: ['78-51=27', '36-27=9'] Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,95 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[27, 69], Operations: ['78-51=27', '36+33=69'] Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,95 unequal: No Solution Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[33, 78, 87], Operations: ['36+51=87'] Exploring Operation: 33+78=111, Resulting Numbers: [87, 111] Generated Node #0,3,0: 95:[87, 111] Operation: 33+78=111 Exploring Operation: 78-33=45, Resulting Numbers: [87, 45] Generated Node #0,3,1: 95:[87, 45] Operation: 78-33=45 Exploring Operation: 87-78=9, Resulting Numbers: [33, 9] Generated Node #0,3,2: 95:[33, 9] Operation: 87-78=9 Exploring Operation: 33+87=120, Resulting Numbers: [78, 120] Generated Node #0,3,3: 95:[78, 120] Operation: 33+87=120 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[33, 9], Operations: ['36+51=87', '87-78=9'] Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,95 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 95:[87, 111], Operations: ['36+51=87', '33+78=111'] Exploring Operation: 87*111=9657, Resulting Numbers: [9657] 9657,95 unequal: No Solution Exploring Operation: 111-87=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 87+111=198, Resulting Numbers: [198] 198,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 95:[87, 45], Operations: ['36+51=87', '78-33=45'] Exploring Operation: 87*45=3915, Resulting Numbers: [3915] 3915,95 unequal: No Solution Exploring Operation: 87-45=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 87+45=132, Resulting Numbers: [132] 132,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[78, 120], Operations: ['36+51=87', '33+87=120'] Exploring Operation: 78+120=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 78*120=9360, Resulting Numbers: [9360] 9360,95 unequal: No Solution Exploring Operation: 120-78=42, Resulting Numbers: [42] 42,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 25, 12, 3, 93 ]
30
[ "25*3=75", "12+93=105", "105-75=30" ]
Current State: 30:[25, 12, 3, 93], Operations: [] Exploring Operation: 25*3=75, Resulting Numbers: [12, 93, 75] Generated Node #2: [12, 93, 75] from Operation: 25*3=75 Current State: 30:[12, 93, 75], Operations: ['25*3=75'] Exploring Operation: 12+93=105, Resulting Numbers: [75, 105] Generated Node #3: [75, 105] from Operation: 12+93=105 Current State: 30:[75, 105], Operations: ['25*3=75', '12+93=105'] Exploring Operation: 105-75=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[25, 12, 3, 93], Operations: [] Exploring Operation: 93-25=68, Resulting Numbers: [12, 3, 68] Generated Node #0,0: 30:[12, 3, 68] Operation: 93-25=68 Exploring Operation: 93/3=31, Resulting Numbers: [25, 12, 31] Generated Node #0,1: 30:[25, 12, 31] Operation: 93/3=31 Exploring Operation: 25-12=13, Resulting Numbers: [3, 93, 13] Generated Node #0,2: 30:[3, 93, 13] Operation: 25-12=13 Exploring Operation: 93-12=81, Resulting Numbers: [25, 3, 81] Generated Node #0,3: 30:[25, 3, 81] Operation: 93-12=81 Moving to Node #0,1 Current State: 30:[25, 12, 31], Operations: ['93/3=31'] Exploring Operation: 25-12=13, Resulting Numbers: [31, 13] Generated Node #0,1,0: 30:[31, 13] Operation: 25-12=13 Exploring Operation: 31-12=19, Resulting Numbers: [25, 19] Generated Node #0,1,1: 30:[25, 19] Operation: 31-12=19 Exploring Operation: 31-25=6, Resulting Numbers: [12, 6] Generated Node #0,1,2: 30:[12, 6] Operation: 31-25=6 Exploring Operation: 25+12=37, Resulting Numbers: [31, 37] Generated Node #0,1,3: 30:[31, 37] Operation: 25+12=37 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[12, 6], Operations: ['93/3=31', '31-25=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,30 unequal: No Solution No 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: 30:[31, 13], Operations: ['93/3=31', '25-12=13'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,30 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,30 unequal: No Solution No 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: 30:[31, 37], Operations: ['93/3=31', '25+12=37'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,30 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,30 unequal: No Solution No 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: 30:[25, 19], Operations: ['93/3=31', '31-12=19'] Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,30 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,30 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: 30:[12, 3, 68], Operations: ['93-25=68'] Exploring Operation: 12-3=9, Resulting Numbers: [68, 9] Generated Node #0,0,0: 30:[68, 9] Operation: 12-3=9 Exploring Operation: 68-3=65, Resulting Numbers: [12, 65] Generated Node #0,0,1: 30:[12, 65] Operation: 68-3=65 Exploring Operation: 12+3=15, Resulting Numbers: [68, 15] Generated Node #0,0,2: 30:[68, 15] Operation: 12+3=15 Exploring Operation: 68-12=56, Resulting Numbers: [3, 56] Generated Node #0,0,3: 30:[3, 56] Operation: 68-12=56 Moving to Node #0,3 Current State: 30:[25, 3, 81], Operations: ['93-12=81'] Exploring Operation: 25+3=28, Resulting Numbers: [81, 28] Generated Node #0,3,0: 30:[81, 28] Operation: 25+3=28 Exploring Operation: 81-3=78, Resulting Numbers: [25, 78] Generated Node #0,3,1: 30:[25, 78] Operation: 81-3=78 Exploring Operation: 81-25=56, Resulting Numbers: [3, 56] Generated Node #0,3,2: 30:[3, 56] Operation: 81-25=56 Exploring Operation: 81/3=27, Resulting Numbers: [25, 27] Generated Node #0,3,3: 30:[25, 27] Operation: 81/3=27 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[25, 27], Operations: ['93-12=81', '81/3=27'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,30 unequal: No Solution No 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: 30:[3, 56], Operations: ['93-12=81', '81-25=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,30 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,30 unequal: No Solution No 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: 30:[81, 28], Operations: ['93-12=81', '25+3=28'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 81*28=2268, Resulting Numbers: [2268] 2268,30 unequal: No Solution Exploring Operation: 81+28=109, Resulting Numbers: [109] 109,30 unequal: No Solution No 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: 30:[25, 78], Operations: ['93-12=81', '81-3=78'] Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,30 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,30 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: 30:[3, 93, 13], Operations: ['25-12=13'] Exploring Operation: 93/3=31, Resulting Numbers: [13, 31] Generated Node #0,2,0: 30:[13, 31] Operation: 93/3=31 Exploring Operation: 93-13=80, Resulting Numbers: [3, 80] Generated Node #0,2,1: 30:[3, 80] Operation: 93-13=80 Exploring Operation: 13-3=10, Resulting Numbers: [93, 10] Generated Node #0,2,2: 30:[93, 10] Operation: 13-3=10 Exploring Operation: 93-3=90, Resulting Numbers: [13, 90] Generated Node #0,2,3: 30:[13, 90] Operation: 93-3=90 Moving to Node #0,2,0 Current State: 30:[13, 31], Operations: ['25-12=13', '93/3=31'] Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,30 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[3, 56], Operations: ['93-25=68', '68-12=56'] Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,30 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[12, 65], Operations: ['93-25=68', '68-3=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 12*65=780, Resulting Numbers: [780] 780,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[68, 15], Operations: ['93-25=68', '12+3=15'] Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 68*15=1020, Resulting Numbers: [1020] 1020,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[68, 9], Operations: ['93-25=68', '12-3=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,30 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,30 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[3, 80], Operations: ['25-12=13', '93-13=80'] Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,30 unequal: No Solution Moving to Node #0,2,3 Current State: 30:[13, 90], Operations: ['25-12=13', '93-3=90'] Exploring Operation: 13+90=103, Resulting Numbers: [103] 103,30 unequal: No Solution Exploring Operation: 13*90=1170, Resulting Numbers: [1170] 1170,30 unequal: No Solution Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[93, 10], Operations: ['25-12=13', '13-3=10'] Exploring Operation: 93*10=930, Resulting Numbers: [930] 930,30 unequal: No Solution Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 93+10=103, Resulting Numbers: [103] 103,30 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 14, 58, 25, 68 ]
16
[ "58+68=126", "126/14=9", "25-9=16" ]
Current State: 16:[14, 58, 25, 68], Operations: [] Exploring Operation: 58+68=126, Resulting Numbers: [14, 25, 126] Generated Node #2: [14, 25, 126] from Operation: 58+68=126 Current State: 16:[14, 25, 126], Operations: ['58+68=126'] Exploring Operation: 126/14=9, Resulting Numbers: [25, 9] Generated Node #3: [25, 9] from Operation: 126/14=9 Current State: 16:[25, 9], Operations: ['58+68=126', '126/14=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[14, 58, 25, 68], Operations: [] Exploring Operation: 58-14=44, Resulting Numbers: [25, 68, 44] Generated Node #0,0: 16:[25, 68, 44] Operation: 58-14=44 Exploring Operation: 68-25=43, Resulting Numbers: [14, 58, 43] Generated Node #0,1: 16:[14, 58, 43] Operation: 68-25=43 Exploring Operation: 68-58=10, Resulting Numbers: [14, 25, 10] Generated Node #0,2: 16:[14, 25, 10] Operation: 68-58=10 Exploring Operation: 58-25=33, Resulting Numbers: [14, 68, 33] Generated Node #0,3: 16:[14, 68, 33] Operation: 58-25=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[14, 25, 10], Operations: ['68-58=10'] Exploring Operation: 14-10=4, Resulting Numbers: [25, 4] Generated Node #0,2,0: 16:[25, 4] Operation: 14-10=4 Exploring Operation: 25-14=11, Resulting Numbers: [10, 11] Generated Node #0,2,1: 16:[10, 11] Operation: 25-14=11 Exploring Operation: 25-10=15, Resulting Numbers: [14, 15] Generated Node #0,2,2: 16:[14, 15] Operation: 25-10=15 Exploring Operation: 14+10=24, Resulting Numbers: [25, 24] Generated Node #0,2,3: 16:[25, 24] Operation: 14+10=24 Moving to Node #0,2,2 Current State: 16:[14, 15], Operations: ['68-58=10', '25-10=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,16 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[10, 11], Operations: ['68-58=10', '25-14=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,16 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[25, 4], Operations: ['68-58=10', '14-10=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[25, 24], Operations: ['68-58=10', '14+10=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,16 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[14, 58, 43], Operations: ['68-25=43'] Exploring Operation: 58-43=15, Resulting Numbers: [14, 15] Generated Node #0,1,0: 16:[14, 15] Operation: 58-43=15 Exploring Operation: 43-14=29, Resulting Numbers: [58, 29] Generated Node #0,1,1: 16:[58, 29] Operation: 43-14=29 Exploring Operation: 14+58=72, Resulting Numbers: [43, 72] Generated Node #0,1,2: 16:[43, 72] Operation: 14+58=72 Exploring Operation: 58-14=44, Resulting Numbers: [43, 44] Generated Node #0,1,3: 16:[43, 44] Operation: 58-14=44 Moving to Node #0,1,0 Current State: 16:[14, 15], Operations: ['68-25=43', '58-43=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[43, 44], Operations: ['68-25=43', '58-14=44'] Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,16 unequal: No Solution Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[58, 29], Operations: ['68-25=43', '43-14=29'] Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 58*29=1682, Resulting Numbers: [1682] 1682,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[43, 72], Operations: ['68-25=43', '14+58=72'] Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 43*72=3096, Resulting Numbers: [3096] 3096,16 unequal: No Solution Exploring Operation: 43+72=115, Resulting Numbers: [115] 115,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[14, 68, 33], Operations: ['58-25=33'] Exploring Operation: 68-33=35, Resulting Numbers: [14, 35] Generated Node #0,3,0: 16:[14, 35] Operation: 68-33=35 Exploring Operation: 14+68=82, Resulting Numbers: [33, 82] Generated Node #0,3,1: 16:[33, 82] Operation: 14+68=82 Exploring Operation: 68-14=54, Resulting Numbers: [33, 54] Generated Node #0,3,2: 16:[33, 54] Operation: 68-14=54 Exploring Operation: 33-14=19, Resulting Numbers: [68, 19] Generated Node #0,3,3: 16:[68, 19] Operation: 33-14=19 Moving to Node #0,3,0 Current State: 16:[14, 35], Operations: ['58-25=33', '68-33=35'] Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 14*35=490, Resulting Numbers: [490] 490,16 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[68, 19], Operations: ['58-25=33', '33-14=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[33, 54], Operations: ['58-25=33', '68-14=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[33, 82], Operations: ['58-25=33', '14+68=82'] Exploring Operation: 33*82=2706, Resulting Numbers: [2706] 2706,16 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[25, 68, 44], Operations: ['58-14=44'] Exploring Operation: 44-25=19, Resulting Numbers: [68, 19] Generated Node #0,0,0: 16:[68, 19] Operation: 44-25=19 Exploring Operation: 68-25=43, Resulting Numbers: [44, 43] Generated Node #0,0,1: 16:[44, 43] Operation: 68-25=43 Exploring Operation: 68-44=24, Resulting Numbers: [25, 24] Generated Node #0,0,2: 16:[25, 24] Operation: 68-44=24 Exploring Operation: 25+68=93, Resulting Numbers: [44, 93] Generated Node #0,0,3: 16:[44, 93] Operation: 25+68=93 Moving to Node #0,0,2 Current State: 16:[25, 24], Operations: ['58-14=44', '68-44=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[44, 43], Operations: ['58-14=44', '68-25=43'] Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[68, 19], Operations: ['58-14=44', '44-25=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[44, 93], Operations: ['58-14=44', '25+68=93'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 44*93=4092, Resulting Numbers: [4092] 4092,16 unequal: No Solution Exploring Operation: 44+93=137, Resulting Numbers: [137] 137,16 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
[ 75, 26, 67, 2 ]
44
[ "75-67=8", "26*2=52", "52-8=44" ]
Current State: 44:[75, 26, 67, 2], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [26, 2, 8] Generated Node #2: [26, 2, 8] from Operation: 75-67=8 Current State: 44:[26, 2, 8], Operations: ['75-67=8'] Exploring Operation: 26*2=52, Resulting Numbers: [8, 52] Generated Node #3: [8, 52] from Operation: 26*2=52 Current State: 44:[8, 52], Operations: ['75-67=8', '26*2=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[75, 26, 67, 2], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [67, 2, 49] Generated Node #0,0: 44:[67, 2, 49] Operation: 75-26=49 Exploring Operation: 75-67=8, Resulting Numbers: [26, 2, 8] Generated Node #0,1: 44:[26, 2, 8] Operation: 75-67=8 Moving to Node #0,1 Current State: 44:[26, 2, 8], Operations: ['75-67=8'] Exploring Operation: 8/2=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 44:[26, 4] Operation: 8/2=4 Exploring Operation: 26-8=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 44:[2, 18] Operation: 26-8=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[26, 4], Operations: ['75-67=8', '8/2=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[2, 18], Operations: ['75-67=8', '26-8=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,44 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: 44:[67, 2, 49], Operations: ['75-26=49'] Exploring Operation: 67-49=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 44:[2, 18] Operation: 67-49=18 Exploring Operation: 67-2=65, Resulting Numbers: [49, 65] Generated Node #0,0,1: 44:[49, 65] Operation: 67-2=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[2, 18], Operations: ['75-26=49', '67-49=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[49, 65], Operations: ['75-26=49', '67-2=65'] Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 49+65=114, Resulting Numbers: [114] 114,44 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
[ 96, 95, 72, 42 ]
99
[ "96+72=168", "168/42=4", "95+4=99" ]
Current State: 99:[96, 95, 72, 42], Operations: [] Exploring Operation: 96+72=168, Resulting Numbers: [95, 42, 168] Generated Node #2: [95, 42, 168] from Operation: 96+72=168 Current State: 99:[95, 42, 168], Operations: ['96+72=168'] Exploring Operation: 168/42=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 168/42=4 Current State: 99:[95, 4], Operations: ['96+72=168', '168/42=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[96, 95, 72, 42], Operations: [] Exploring Operation: 72-42=30, Resulting Numbers: [96, 95, 30] Generated Node #0,0: 99:[96, 95, 30] Operation: 72-42=30 Exploring Operation: 95-72=23, Resulting Numbers: [96, 42, 23] Generated Node #0,1: 99:[96, 42, 23] Operation: 95-72=23 Exploring Operation: 96-72=24, Resulting Numbers: [95, 42, 24] Generated Node #0,2: 99:[95, 42, 24] Operation: 96-72=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[96, 95, 30], Operations: ['72-42=30'] Exploring Operation: 96+30=126, Resulting Numbers: [95, 126] Generated Node #0,0,0: 99:[95, 126] Operation: 96+30=126 Exploring Operation: 96-95=1, Resulting Numbers: [30, 1] Generated Node #0,0,1: 99:[30, 1] Operation: 96-95=1 Exploring Operation: 95+30=125, Resulting Numbers: [96, 125] Generated Node #0,0,2: 99:[96, 125] Operation: 95+30=125 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[30, 1], Operations: ['72-42=30', '96-95=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[96, 125], Operations: ['72-42=30', '95+30=125'] Exploring Operation: 96+125=221, Resulting Numbers: [221] 221,99 unequal: No Solution Exploring Operation: 125-96=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 96*125=12000, Resulting Numbers: [12000] 12000,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[95, 126], Operations: ['72-42=30', '96+30=126'] Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,99 unequal: No Solution Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 95*126=11970, Resulting Numbers: [11970] 11970,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[96, 42, 23], Operations: ['95-72=23'] Exploring Operation: 96-42=54, Resulting Numbers: [23, 54] Generated Node #0,1,0: 99:[23, 54] Operation: 96-42=54 Exploring Operation: 42-23=19, Resulting Numbers: [96, 19] Generated Node #0,1,1: 99:[96, 19] Operation: 42-23=19 Exploring Operation: 96+23=119, Resulting Numbers: [42, 119] Generated Node #0,1,2: 99:[42, 119] Operation: 96+23=119 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[96, 19], Operations: ['95-72=23', '42-23=19'] Exploring Operation: 96*19=1824, Resulting Numbers: [1824] 1824,99 unequal: No Solution Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 96+19=115, Resulting Numbers: [115] 115,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[42, 119], Operations: ['95-72=23', '96+23=119'] Exploring Operation: 119-42=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 42*119=4998, Resulting Numbers: [4998] 4998,99 unequal: No Solution Exploring Operation: 42+119=161, Resulting Numbers: [161] 161,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[23, 54], Operations: ['95-72=23', '96-42=54'] Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,99 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[95, 42, 24], Operations: ['96-72=24'] Exploring Operation: 95-42=53, Resulting Numbers: [24, 53] Generated Node #0,2,0: 99:[24, 53] Operation: 95-42=53 Exploring Operation: 42-24=18, Resulting Numbers: [95, 18] Generated Node #0,2,1: 99:[95, 18] Operation: 42-24=18 Exploring Operation: 95+24=119, Resulting Numbers: [42, 119] Generated Node #0,2,2: 99:[42, 119] Operation: 95+24=119 Moving to Node #0,2,1 Current State: 99:[95, 18], Operations: ['96-72=24', '42-24=18'] Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,99 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[24, 53], Operations: ['96-72=24', '95-42=53'] Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,99 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[42, 119], Operations: ['96-72=24', '95+24=119'] Exploring Operation: 42*119=4998, Resulting Numbers: [4998] 4998,99 unequal: No Solution Exploring Operation: 42+119=161, Resulting Numbers: [161] 161,99 unequal: No Solution Exploring Operation: 119-42=77, Resulting Numbers: [77] 77,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 42, 54, 21, 2 ]
58
[ "42/21=2", "54+2=56", "2+56=58" ]
Current State: 58:[42, 54, 21, 2], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [54, 2, 2] Generated Node #2: [54, 2, 2] from Operation: 42/21=2 Current State: 58:[54, 2, 2], Operations: ['42/21=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,58 equal: Goal Reached Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[42, 54, 21, 2], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [54, 2, 2] Generated Node #0,0: 58:[54, 2, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [54, 2, 21] Generated Node #0,1: 58:[54, 2, 21] Operation: 42-21=21 Exploring Operation: 54-21=33, Resulting Numbers: [42, 2, 33] Generated Node #0,2: 58:[42, 2, 33] Operation: 54-21=33 Exploring Operation: 42+21=63, Resulting Numbers: [54, 2, 63] Generated Node #0,3: 58:[54, 2, 63] Operation: 42+21=63 Moving to Node #0,0 Current State: 58:[54, 2, 2], Operations: ['42/21=2'] Exploring Operation: 54+2=56, Resulting Numbers: [2, 56] Generated Node #0,0,0: 58:[2, 56] Operation: 54+2=56 Exploring Operation: 54+2=56, Resulting Numbers: [2, 56] Generated Node #0,0,1: 58:[2, 56] Operation: 54+2=56 Exploring Operation: 54/2=27, Resulting Numbers: [2, 27] Generated Node #0,0,2: 58:[2, 27] Operation: 54/2=27 Exploring Operation: 54/2=27, Resulting Numbers: [2, 27] Generated Node #0,0,3: 58:[2, 27] Operation: 54/2=27 Moving to Node #0,3 Current State: 58:[54, 2, 63], Operations: ['42+21=63'] Exploring Operation: 54+2=56, Resulting Numbers: [63, 56] Generated Node #0,3,0: 58:[63, 56] Operation: 54+2=56 Exploring Operation: 54/2=27, Resulting Numbers: [63, 27] Generated Node #0,3,1: 58:[63, 27] Operation: 54/2=27 Exploring Operation: 63-2=61, Resulting Numbers: [54, 61] Generated Node #0,3,2: 58:[54, 61] Operation: 63-2=61 Exploring Operation: 63-54=9, Resulting Numbers: [2, 9] Generated Node #0,3,3: 58:[2, 9] Operation: 63-54=9 Moving to Node #0,1 Current State: 58:[54, 2, 21], Operations: ['42-21=21'] Exploring Operation: 2+21=23, Resulting Numbers: [54, 23] Generated Node #0,1,0: 58:[54, 23] Operation: 2+21=23 Exploring Operation: 54+2=56, Resulting Numbers: [21, 56] Generated Node #0,1,1: 58:[21, 56] Operation: 54+2=56 Exploring Operation: 54/2=27, Resulting Numbers: [21, 27] Generated Node #0,1,2: 58:[21, 27] Operation: 54/2=27 Exploring Operation: 54-21=33, Resulting Numbers: [2, 33] Generated Node #0,1,3: 58:[2, 33] Operation: 54-21=33 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[2, 33], Operations: ['42-21=21', '54-21=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,58 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[54, 23], Operations: ['42-21=21', '2+21=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,58 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[21, 56], Operations: ['42-21=21', '54+2=56'] Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 21*56=1176, Resulting Numbers: [1176] 1176,58 unequal: No Solution Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[21, 27], Operations: ['42-21=21', '54/2=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,58 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,58 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,58 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: 58:[42, 2, 33], Operations: ['54-21=33'] Exploring Operation: 33-2=31, Resulting Numbers: [42, 31] Generated Node #0,2,0: 58:[42, 31] Operation: 33-2=31 Exploring Operation: 42-2=40, Resulting Numbers: [33, 40] Generated Node #0,2,1: 58:[33, 40] Operation: 42-2=40 Exploring Operation: 42-33=9, Resulting Numbers: [2, 9] Generated Node #0,2,2: 58:[2, 9] Operation: 42-33=9 Exploring Operation: 42/2=21, Resulting Numbers: [33, 21] Generated Node #0,2,3: 58:[33, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[2, 9], Operations: ['54-21=33', '42-33=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[33, 21], Operations: ['54-21=33', '42/2=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,58 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[42, 31], Operations: ['54-21=33', '33-2=31'] Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,58 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[33, 40], Operations: ['54-21=33', '42-2=40'] Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,58 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 58:[2, 56], Operations: ['42/21=2', '54+2=56'] Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,58 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[42, 54, 21, 2], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [54, 2, 2] Generated Node #0,0: 58:[54, 2, 2] Operation: 42/21=2 Moving to Node #0,0 Current State: 58:[54, 2, 2], Operations: ['42/21=2'] Exploring Operation: 54+2=56, Resulting Numbers: [2, 56] Generated Node #0,0,0: 58:[2, 56] Operation: 54+2=56 Moving to Node #0,0,0 Current State: 58:[2, 56], Operations: ['42/21=2', '54+2=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 19, 87, 26, 34 ]
60
[ "87-19=68", "34-26=8", "68-8=60" ]
Current State: 60:[19, 87, 26, 34], Operations: [] Exploring Operation: 87-19=68, Resulting Numbers: [26, 34, 68] Generated Node #2: [26, 34, 68] from Operation: 87-19=68 Current State: 60:[26, 34, 68], Operations: ['87-19=68'] Exploring Operation: 34-26=8, Resulting Numbers: [68, 8] Generated Node #3: [68, 8] from Operation: 34-26=8 Current State: 60:[68, 8], Operations: ['87-19=68', '34-26=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[19, 87, 26, 34], Operations: [] Exploring Operation: 87-26=61, Resulting Numbers: [19, 34, 61] Generated Node #0,0: 60:[19, 34, 61] Operation: 87-26=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[19, 34, 61], Operations: ['87-26=61'] Exploring Operation: 34-19=15, Resulting Numbers: [61, 15] Generated Node #0,0,0: 60:[61, 15] Operation: 34-19=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[61, 15], Operations: ['87-26=61', '34-19=15'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 4, 7, 90 ]
86
[ "7-6=1", "90-4=86", "1*86=86" ]
Current State: 86:[6, 4, 7, 90], Operations: [] Exploring Operation: 7-6=1, Resulting Numbers: [4, 90, 1] Generated Node #2: [4, 90, 1] from Operation: 7-6=1 Current State: 86:[4, 90, 1], Operations: ['7-6=1'] Exploring Operation: 90-4=86, Resulting Numbers: [1, 86] Generated Node #3: [1, 86] from Operation: 90-4=86 Current State: 86:[1, 86], Operations: ['7-6=1', '90-4=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[6, 4, 7, 90], Operations: [] Exploring Operation: 7-6=1, Resulting Numbers: [4, 90, 1] Generated Node #0,0: 86:[4, 90, 1] Operation: 7-6=1 Exploring Operation: 6-4=2, Resulting Numbers: [7, 90, 2] Generated Node #0,1: 86:[7, 90, 2] Operation: 6-4=2 Exploring Operation: 6*7=42, Resulting Numbers: [4, 90, 42] Generated Node #0,2: 86:[4, 90, 42] Operation: 6*7=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[4, 90, 1], Operations: ['7-6=1'] Exploring Operation: 90-4=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 86:[1, 86] Operation: 90-4=86 Exploring Operation: 4-1=3, Resulting Numbers: [90, 3] Generated Node #0,0,1: 86:[90, 3] Operation: 4-1=3 Exploring Operation: 90-1=89, Resulting Numbers: [4, 89] Generated Node #0,0,2: 86:[4, 89] Operation: 90-1=89 Moving to Node #0,0,0 Current State: 86:[1, 86], Operations: ['7-6=1', '90-4=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[6, 4, 7, 90], Operations: [] Exploring Operation: 7-6=1, Resulting Numbers: [4, 90, 1] Generated Node #0,0: 86:[4, 90, 1] Operation: 7-6=1 Moving to Node #0,0 Current State: 86:[4, 90, 1], Operations: ['7-6=1'] Exploring Operation: 90-4=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 86:[1, 86] Operation: 90-4=86 Moving to Node #0,0,0 Current State: 86:[1, 86], Operations: ['7-6=1', '90-4=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 67, 70, 40, 72 ]
25
[ "67+70=137", "40+72=112", "137-112=25" ]
Current State: 25:[67, 70, 40, 72], Operations: [] Exploring Operation: 67+70=137, Resulting Numbers: [40, 72, 137] Generated Node #2: [40, 72, 137] from Operation: 67+70=137 Current State: 25:[40, 72, 137], Operations: ['67+70=137'] Exploring Operation: 40+72=112, Resulting Numbers: [137, 112] Generated Node #3: [137, 112] from Operation: 40+72=112 Current State: 25:[137, 112], Operations: ['67+70=137', '40+72=112'] Exploring Operation: 137-112=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[67, 70, 40, 72], Operations: [] Exploring Operation: 72-67=5, Resulting Numbers: [70, 40, 5] Generated Node #0,0: 25:[70, 40, 5] Operation: 72-67=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[70, 40, 5], Operations: ['72-67=5'] Exploring Operation: 70-40=30, Resulting Numbers: [5, 30] Generated Node #0,0,0: 25:[5, 30] Operation: 70-40=30 Moving to Node #0,0,0 Current State: 25:[5, 30], Operations: ['72-67=5', '70-40=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[67, 70, 40, 72], Operations: [] Exploring Operation: 72-67=5, Resulting Numbers: [70, 40, 5] Generated Node #0,0: 25:[70, 40, 5] Operation: 72-67=5 Moving to Node #0,0 Current State: 25:[70, 40, 5], Operations: ['72-67=5'] Exploring Operation: 70-40=30, Resulting Numbers: [5, 30] Generated Node #0,0,0: 25:[5, 30] Operation: 70-40=30 Moving to Node #0,0,0 Current State: 25:[5, 30], Operations: ['72-67=5', '70-40=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 49, 54, 94, 91 ]
100
[ "49+54=103", "94-91=3", "103-3=100" ]
Current State: 100:[49, 54, 94, 91], Operations: [] Exploring Operation: 49+54=103, Resulting Numbers: [94, 91, 103] Generated Node #2: [94, 91, 103] from Operation: 49+54=103 Current State: 100:[94, 91, 103], Operations: ['49+54=103'] Exploring Operation: 94-91=3, Resulting Numbers: [103, 3] Generated Node #3: [103, 3] from Operation: 94-91=3 Current State: 100:[103, 3], Operations: ['49+54=103', '94-91=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[49, 54, 94, 91], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [49, 54, 3] Generated Node #0,0: 100:[49, 54, 3] Operation: 94-91=3 Exploring Operation: 54-49=5, Resulting Numbers: [94, 91, 5] Generated Node #0,1: 100:[94, 91, 5] Operation: 54-49=5 Exploring Operation: 49+54=103, Resulting Numbers: [94, 91, 103] Generated Node #0,2: 100:[94, 91, 103] Operation: 49+54=103 Moving to Node #0,0 Current State: 100:[49, 54, 3], Operations: ['94-91=3'] Exploring Operation: 54-3=51, Resulting Numbers: [49, 51] Generated Node #0,0,0: 100:[49, 51] Operation: 54-3=51 Exploring Operation: 54-49=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 100:[3, 5] Operation: 54-49=5 Exploring Operation: 54/3=18, Resulting Numbers: [49, 18] Generated Node #0,0,2: 100:[49, 18] Operation: 54/3=18 Moving to Node #0,1 Current State: 100:[94, 91, 5], Operations: ['54-49=5'] Exploring Operation: 91+5=96, Resulting Numbers: [94, 96] Generated Node #0,1,0: 100:[94, 96] Operation: 91+5=96 Exploring Operation: 94+5=99, Resulting Numbers: [91, 99] Generated Node #0,1,1: 100:[91, 99] Operation: 94+5=99 Exploring Operation: 94-91=3, Resulting Numbers: [5, 3] Generated Node #0,1,2: 100:[5, 3] Operation: 94-91=3 Moving to Node #0,2 Current State: 100:[94, 91, 103], Operations: ['49+54=103'] Exploring Operation: 103-94=9, Resulting Numbers: [91, 9] Generated Node #0,2,0: 100:[91, 9] Operation: 103-94=9 Exploring Operation: 94-91=3, Resulting Numbers: [103, 3] Generated Node #0,2,1: 100:[103, 3] Operation: 94-91=3 Exploring Operation: 103-91=12, Resulting Numbers: [94, 12] Generated Node #0,2,2: 100:[94, 12] Operation: 103-91=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[103, 3], Operations: ['49+54=103', '94-91=3'] Exploring Operation: 103*3=309, Resulting Numbers: [309] 309,100 unequal: No Solution Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[49, 54, 94, 91], Operations: [] Exploring Operation: 49+54=103, Resulting Numbers: [94, 91, 103] Generated Node #0,2: 100:[94, 91, 103] Operation: 49+54=103 Moving to Node #0,2 Current State: 100:[94, 91, 103], Operations: ['49+54=103'] Exploring Operation: 94-91=3, Resulting Numbers: [103, 3] Generated Node #0,2,1: 100:[103, 3] Operation: 94-91=3 Moving to Node #0,2,1 Current State: 100:[103, 3], Operations: ['49+54=103', '94-91=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 20, 32, 75, 59 ]
40
[ "20*32=640", "75-59=16", "640/16=40" ]
Current State: 40:[20, 32, 75, 59], Operations: [] Exploring Operation: 20*32=640, Resulting Numbers: [75, 59, 640] Generated Node #2: [75, 59, 640] from Operation: 20*32=640 Current State: 40:[75, 59, 640], Operations: ['20*32=640'] Exploring Operation: 75-59=16, Resulting Numbers: [640, 16] Generated Node #3: [640, 16] from Operation: 75-59=16 Current State: 40:[640, 16], Operations: ['20*32=640', '75-59=16'] Exploring Operation: 640/16=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[20, 32, 75, 59], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [20, 59, 43] Generated Node #0,0: 40:[20, 59, 43] Operation: 75-32=43 Exploring Operation: 75-59=16, Resulting Numbers: [20, 32, 16] Generated Node #0,1: 40:[20, 32, 16] Operation: 75-59=16 Exploring Operation: 59-32=27, Resulting Numbers: [20, 75, 27] Generated Node #0,2: 40:[20, 75, 27] Operation: 59-32=27 Exploring Operation: 75-20=55, Resulting Numbers: [32, 59, 55] Generated Node #0,3: 40:[32, 59, 55] Operation: 75-20=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[20, 32, 16], Operations: ['75-59=16'] Exploring Operation: 32/16=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 40:[20, 2] Operation: 32/16=2 Exploring Operation: 32-16=16, Resulting Numbers: [20, 16] Generated Node #0,1,1: 40:[20, 16] Operation: 32-16=16 Exploring Operation: 20-16=4, Resulting Numbers: [32, 4] Generated Node #0,1,2: 40:[32, 4] Operation: 20-16=4 Exploring Operation: 32-20=12, Resulting Numbers: [16, 12] Generated Node #0,1,3: 40:[16, 12] Operation: 32-20=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[20, 2], Operations: ['75-59=16', '32/16=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[20, 32, 75, 59], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [20, 32, 16] Generated Node #0,1: 40:[20, 32, 16] Operation: 75-59=16 Moving to Node #0,1 Current State: 40:[20, 32, 16], Operations: ['75-59=16'] Exploring Operation: 32/16=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 40:[20, 2] Operation: 32/16=2 Moving to Node #0,1,0 Current State: 40:[20, 2], Operations: ['75-59=16', '32/16=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 47, 71, 39, 56 ]
34
[ "47*39=1833", "71+1833=1904", "1904/56=34" ]
Current State: 34:[47, 71, 39, 56], Operations: [] Exploring Operation: 47*39=1833, Resulting Numbers: [71, 56, 1833] Generated Node #2: [71, 56, 1833] from Operation: 47*39=1833 Current State: 34:[71, 56, 1833], Operations: ['47*39=1833'] Exploring Operation: 71+1833=1904, Resulting Numbers: [56, 1904] Generated Node #3: [56, 1904] from Operation: 71+1833=1904 Current State: 34:[56, 1904], Operations: ['47*39=1833', '71+1833=1904'] Exploring Operation: 1904/56=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[47, 71, 39, 56], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [47, 39, 15] Generated Node #0,0: 34:[47, 39, 15] Operation: 71-56=15 Exploring Operation: 56-47=9, Resulting Numbers: [71, 39, 9] Generated Node #0,1: 34:[71, 39, 9] Operation: 56-47=9 Exploring Operation: 71-47=24, Resulting Numbers: [39, 56, 24] Generated Node #0,2: 34:[39, 56, 24] Operation: 71-47=24 Exploring Operation: 71-39=32, Resulting Numbers: [47, 56, 32] Generated Node #0,3: 34:[47, 56, 32] Operation: 71-39=32 Moving to Node #0,0 Current State: 34:[47, 39, 15], Operations: ['71-56=15'] Exploring Operation: 47-15=32, Resulting Numbers: [39, 32] Generated Node #0,0,0: 34:[39, 32] Operation: 47-15=32 Exploring Operation: 47+15=62, Resulting Numbers: [39, 62] Generated Node #0,0,1: 34:[39, 62] Operation: 47+15=62 Exploring Operation: 39-15=24, Resulting Numbers: [47, 24] Generated Node #0,0,2: 34:[47, 24] Operation: 39-15=24 Exploring Operation: 47-39=8, Resulting Numbers: [15, 8] Generated Node #0,0,3: 34:[15, 8] Operation: 47-39=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[39, 32], Operations: ['71-56=15', '47-15=32'] Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,34 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 34:[15, 8], Operations: ['71-56=15', '47-39=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,34 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[47, 24], Operations: ['71-56=15', '39-15=24'] Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,34 unequal: No Solution Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[39, 62], Operations: ['71-56=15', '47+15=62'] Exploring Operation: 39+62=101, Resulting Numbers: [101] 101,34 unequal: No Solution Exploring Operation: 39*62=2418, Resulting Numbers: [2418] 2418,34 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,34 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: 34:[39, 56, 24], Operations: ['71-47=24'] Exploring Operation: 56-39=17, Resulting Numbers: [24, 17] Generated Node #0,2,0: 34:[24, 17] Operation: 56-39=17 Exploring Operation: 39-24=15, Resulting Numbers: [56, 15] Generated Node #0,2,1: 34:[56, 15] Operation: 39-24=15 Exploring Operation: 39+24=63, Resulting Numbers: [56, 63] Generated Node #0,2,2: 34:[56, 63] Operation: 39+24=63 Exploring Operation: 56-24=32, Resulting Numbers: [39, 32] Generated Node #0,2,3: 34:[39, 32] Operation: 56-24=32 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[24, 17], Operations: ['71-47=24', '56-39=17'] Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[39, 32], Operations: ['71-47=24', '56-24=32'] Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,34 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[56, 15], Operations: ['71-47=24', '39-24=15'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[56, 63], Operations: ['71-47=24', '39+24=63'] Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,34 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,34 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: 34:[47, 56, 32], Operations: ['71-39=32'] Exploring Operation: 47+32=79, Resulting Numbers: [56, 79] Generated Node #0,3,0: 34:[56, 79] Operation: 47+32=79 Exploring Operation: 56-32=24, Resulting Numbers: [47, 24] Generated Node #0,3,1: 34:[47, 24] Operation: 56-32=24 Exploring Operation: 47-32=15, Resulting Numbers: [56, 15] Generated Node #0,3,2: 34:[56, 15] Operation: 47-32=15 Exploring Operation: 56-47=9, Resulting Numbers: [32, 9] Generated Node #0,3,3: 34:[32, 9] Operation: 56-47=9 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[32, 9], Operations: ['71-39=32', '56-47=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,34 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:[47, 24], Operations: ['71-39=32', '56-32=24'] Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,34 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:[56, 15], Operations: ['71-39=32', '47-32=15'] Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,34 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,34 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:[56, 79], Operations: ['71-39=32', '47+32=79'] Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,34 unequal: No Solution Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,34 unequal: No Solution Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,34 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:[71, 39, 9], Operations: ['56-47=9'] Exploring Operation: 71+9=80, Resulting Numbers: [39, 80] Generated Node #0,1,0: 34:[39, 80] Operation: 71+9=80 Exploring Operation: 71-9=62, Resulting Numbers: [39, 62] Generated Node #0,1,1: 34:[39, 62] Operation: 71-9=62 Exploring Operation: 71-39=32, Resulting Numbers: [9, 32] Generated Node #0,1,2: 34:[9, 32] Operation: 71-39=32 Exploring Operation: 39-9=30, Resulting Numbers: [71, 30] Generated Node #0,1,3: 34:[71, 30] Operation: 39-9=30 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[9, 32], Operations: ['56-47=9', '71-39=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,34 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,34 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:[39, 62], Operations: ['56-47=9', '71-9=62'] Exploring Operation: 39*62=2418, Resulting Numbers: [2418] 2418,34 unequal: No Solution Exploring Operation: 39+62=101, Resulting Numbers: [101] 101,34 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,34 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:[71, 30], Operations: ['56-47=9', '39-9=30'] Exploring Operation: 71+30=101, Resulting Numbers: [101] 101,34 unequal: No Solution Exploring Operation: 71*30=2130, Resulting Numbers: [2130] 2130,34 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,34 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:[39, 80], Operations: ['56-47=9', '71+9=80'] Exploring Operation: 39*80=3120, Resulting Numbers: [3120] 3120,34 unequal: No Solution Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 39+80=119, Resulting Numbers: [119] 119,34 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
[ 97, 88, 94, 59 ]
26
[ "97-88=9", "94-59=35", "35-9=26" ]
Current State: 26:[97, 88, 94, 59], Operations: [] Exploring Operation: 97-88=9, Resulting Numbers: [94, 59, 9] Generated Node #2: [94, 59, 9] from Operation: 97-88=9 Current State: 26:[94, 59, 9], Operations: ['97-88=9'] Exploring Operation: 94-59=35, Resulting Numbers: [9, 35] Generated Node #3: [9, 35] from Operation: 94-59=35 Current State: 26:[9, 35], Operations: ['97-88=9', '94-59=35'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[97, 88, 94, 59], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [88, 59, 3] Generated Node #0,0: 26:[88, 59, 3] Operation: 97-94=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[88, 59, 3], Operations: ['97-94=3'] Exploring Operation: 88-59=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 26:[3, 29] Operation: 88-59=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[3, 29], Operations: ['97-94=3', '88-59=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[97, 88, 94, 59], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [88, 59, 3] Generated Node #0,0: 26:[88, 59, 3] Operation: 97-94=3 Moving to Node #0,0 Current State: 26:[88, 59, 3], Operations: ['97-94=3'] Exploring Operation: 88-59=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 26:[3, 29] Operation: 88-59=29 Moving to Node #0,0,0 Current State: 26:[3, 29], Operations: ['97-94=3', '88-59=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 49, 28, 62, 26 ]
57
[ "49-28=21", "62-26=36", "21+36=57" ]
Current State: 57:[49, 28, 62, 26], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [62, 26, 21] Generated Node #2: [62, 26, 21] from Operation: 49-28=21 Current State: 57:[62, 26, 21], Operations: ['49-28=21'] Exploring Operation: 62-26=36, Resulting Numbers: [21, 36] Generated Node #3: [21, 36] from Operation: 62-26=36 Current State: 57:[21, 36], Operations: ['49-28=21', '62-26=36'] Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[49, 28, 62, 26], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [62, 26, 21] Generated Node #0,0: 57:[62, 26, 21] Operation: 49-28=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[62, 26, 21], Operations: ['49-28=21'] Exploring Operation: 26-21=5, Resulting Numbers: [62, 5] Generated Node #0,0,0: 57:[62, 5] Operation: 26-21=5 Moving to Node #0,0,0 Current State: 57:[62, 5], Operations: ['49-28=21', '26-21=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[49, 28, 62, 26], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [62, 26, 21] Generated Node #0,0: 57:[62, 26, 21] Operation: 49-28=21 Moving to Node #0,0 Current State: 57:[62, 26, 21], Operations: ['49-28=21'] Exploring Operation: 26-21=5, Resulting Numbers: [62, 5] Generated Node #0,0,0: 57:[62, 5] Operation: 26-21=5 Moving to Node #0,0,0 Current State: 57:[62, 5], Operations: ['49-28=21', '26-21=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 73, 84, 63, 68 ]
55
[ "84-73=11", "68-63=5", "11*5=55" ]
Current State: 55:[73, 84, 63, 68], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [63, 68, 11] Generated Node #2: [63, 68, 11] from Operation: 84-73=11 Current State: 55:[63, 68, 11], Operations: ['84-73=11'] Exploring Operation: 68-63=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 68-63=5 Current State: 55:[11, 5], Operations: ['84-73=11', '68-63=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[73, 84, 63, 68], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [63, 68, 11] Generated Node #0,0: 55:[63, 68, 11] Operation: 84-73=11 Exploring Operation: 84-68=16, Resulting Numbers: [73, 63, 16] Generated Node #0,1: 55:[73, 63, 16] Operation: 84-68=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[63, 68, 11], Operations: ['84-73=11'] Exploring Operation: 68-11=57, Resulting Numbers: [63, 57] Generated Node #0,0,0: 55:[63, 57] Operation: 68-11=57 Exploring Operation: 68-63=5, Resulting Numbers: [11, 5] Generated Node #0,0,1: 55:[11, 5] Operation: 68-63=5 Moving to Node #0,0,1 Current State: 55:[11, 5], Operations: ['84-73=11', '68-63=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[73, 84, 63, 68], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [63, 68, 11] Generated Node #0,0: 55:[63, 68, 11] Operation: 84-73=11 Moving to Node #0,0 Current State: 55:[63, 68, 11], Operations: ['84-73=11'] Exploring Operation: 68-63=5, Resulting Numbers: [11, 5] Generated Node #0,0,1: 55:[11, 5] Operation: 68-63=5 Moving to Node #0,0,1 Current State: 55:[11, 5], Operations: ['84-73=11', '68-63=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic