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, 32, 11, 18 ]
98
[ "25*18=450", "32*11=352", "450-352=98" ]
Current State: 98:[25, 32, 11, 18], Operations: [] Exploring Operation: 25*18=450, Resulting Numbers: [32, 11, 450] Generated Node #2: [32, 11, 450] from Operation: 25*18=450 Current State: 98:[32, 11, 450], Operations: ['25*18=450'] Exploring Operation: 32*11=352, Resulting Numbers: [450, 352] Generated Node #3: [450, 352] from Operation: 32*11=352 Current State: 98:[450, 352], Operations: ['25*18=450', '32*11=352'] Exploring Operation: 450-352=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[25, 32, 11, 18], Operations: [] Exploring Operation: 32-18=14, Resulting Numbers: [25, 11, 14] Generated Node #0,0: 98:[25, 11, 14] Operation: 32-18=14 Exploring Operation: 32-25=7, Resulting Numbers: [11, 18, 7] Generated Node #0,1: 98:[11, 18, 7] Operation: 32-25=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[11, 18, 7], Operations: ['32-25=7'] Exploring Operation: 18-11=7, Resulting Numbers: [7, 7] Generated Node #0,1,0: 98:[7, 7] Operation: 18-11=7 Exploring Operation: 11-7=4, Resulting Numbers: [18, 4] Generated Node #0,1,1: 98:[18, 4] Operation: 11-7=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[7, 7], Operations: ['32-25=7', '18-11=7'] Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[18, 4], Operations: ['32-25=7', '11-7=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[25, 11, 14], Operations: ['32-18=14'] Exploring Operation: 25-11=14, Resulting Numbers: [14, 14] Generated Node #0,0,0: 98:[14, 14] Operation: 25-11=14 Exploring Operation: 25-14=11, Resulting Numbers: [11, 11] Generated Node #0,0,1: 98:[11, 11] Operation: 25-14=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[14, 14], Operations: ['32-18=14', '25-11=14'] Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[11, 11], Operations: ['32-18=14', '25-14=11'] Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 65, 68, 8, 29 ]
40
[ "68-65=3", "8+29=37", "3+37=40" ]
Current State: 40:[65, 68, 8, 29], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [8, 29, 3] Generated Node #2: [8, 29, 3] from Operation: 68-65=3 Current State: 40:[8, 29, 3], Operations: ['68-65=3'] Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #3: [3, 37] from Operation: 8+29=37 Current State: 40:[3, 37], Operations: ['68-65=3', '8+29=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[65, 68, 8, 29], Operations: [] Exploring Operation: 68-29=39, Resulting Numbers: [65, 8, 39] Generated Node #0,0: 40:[65, 8, 39] Operation: 68-29=39 Exploring Operation: 65-8=57, Resulting Numbers: [68, 29, 57] Generated Node #0,1: 40:[68, 29, 57] Operation: 65-8=57 Exploring Operation: 68-65=3, Resulting Numbers: [8, 29, 3] Generated Node #0,2: 40:[8, 29, 3] Operation: 68-65=3 Exploring Operation: 65-29=36, Resulting Numbers: [68, 8, 36] Generated Node #0,3: 40:[68, 8, 36] Operation: 65-29=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[8, 29, 3], Operations: ['68-65=3'] Exploring Operation: 29+3=32, Resulting Numbers: [8, 32] Generated Node #0,2,0: 40:[8, 32] Operation: 29+3=32 Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #0,2,1: 40:[3, 37] Operation: 8+29=37 Exploring Operation: 29-3=26, Resulting Numbers: [8, 26] Generated Node #0,2,2: 40:[8, 26] Operation: 29-3=26 Exploring Operation: 29-8=21, Resulting Numbers: [3, 21] Generated Node #0,2,3: 40:[3, 21] Operation: 29-8=21 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 40:[3, 21], Operations: ['68-65=3', '29-8=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,40 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 40:[3, 37], Operations: ['68-65=3', '8+29=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[65, 68, 8, 29], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [8, 29, 3] Generated Node #0,2: 40:[8, 29, 3] Operation: 68-65=3 Moving to Node #0,2 Current State: 40:[8, 29, 3], Operations: ['68-65=3'] Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #0,2,1: 40:[3, 37] Operation: 8+29=37 Moving to Node #0,2,1 Current State: 40:[3, 37], Operations: ['68-65=3', '8+29=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 74, 19, 52, 9 ]
98
[ "74-19=55", "52-9=43", "55+43=98" ]
Current State: 98:[74, 19, 52, 9], Operations: [] Exploring Operation: 74-19=55, Resulting Numbers: [52, 9, 55] Generated Node #2: [52, 9, 55] from Operation: 74-19=55 Current State: 98:[52, 9, 55], Operations: ['74-19=55'] Exploring Operation: 52-9=43, Resulting Numbers: [55, 43] Generated Node #3: [55, 43] from Operation: 52-9=43 Current State: 98:[55, 43], Operations: ['74-19=55', '52-9=43'] Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[74, 19, 52, 9], Operations: [] Exploring Operation: 74+19=93, Resulting Numbers: [52, 9, 93] Generated Node #0,0: 98:[52, 9, 93] Operation: 74+19=93 Exploring Operation: 74-52=22, Resulting Numbers: [19, 9, 22] Generated Node #0,1: 98:[19, 9, 22] Operation: 74-52=22 Exploring Operation: 74+9=83, Resulting Numbers: [19, 52, 83] Generated Node #0,2: 98:[19, 52, 83] Operation: 74+9=83 Exploring Operation: 74-19=55, Resulting Numbers: [52, 9, 55] Generated Node #0,3: 98:[52, 9, 55] Operation: 74-19=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[52, 9, 93], Operations: ['74+19=93'] Exploring Operation: 9+93=102, Resulting Numbers: [52, 102] Generated Node #0,0,0: 98:[52, 102] Operation: 9+93=102 Exploring Operation: 52-9=43, Resulting Numbers: [93, 43] Generated Node #0,0,1: 98:[93, 43] Operation: 52-9=43 Exploring Operation: 93-52=41, Resulting Numbers: [9, 41] Generated Node #0,0,2: 98:[9, 41] Operation: 93-52=41 Exploring Operation: 52+9=61, Resulting Numbers: [93, 61] Generated Node #0,0,3: 98:[93, 61] Operation: 52+9=61 Moving to Node #0,0,0 Current State: 98:[52, 102], Operations: ['74+19=93', '9+93=102'] Exploring Operation: 52+102=154, Resulting Numbers: [154] 154,98 unequal: No Solution Exploring Operation: 52*102=5304, Resulting Numbers: [5304] 5304,98 unequal: No Solution Exploring Operation: 102-52=50, Resulting Numbers: [50] 50,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[9, 41], Operations: ['74+19=93', '93-52=41'] Exploring Operation: 9+41=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 9*41=369, Resulting Numbers: [369] 369,98 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[93, 43], Operations: ['74+19=93', '52-9=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,98 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,98 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[93, 61], Operations: ['74+19=93', '52+9=61'] Exploring Operation: 93+61=154, Resulting Numbers: [154] 154,98 unequal: No Solution Exploring Operation: 93*61=5673, Resulting Numbers: [5673] 5673,98 unequal: No Solution Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[52, 9, 55], Operations: ['74-19=55'] Exploring Operation: 52-9=43, Resulting Numbers: [55, 43] Generated Node #0,3,0: 98:[55, 43] Operation: 52-9=43 Exploring Operation: 52+55=107, Resulting Numbers: [9, 107] Generated Node #0,3,1: 98:[9, 107] Operation: 52+55=107 Exploring Operation: 55-9=46, Resulting Numbers: [52, 46] Generated Node #0,3,2: 98:[52, 46] Operation: 55-9=46 Exploring Operation: 55-52=3, Resulting Numbers: [9, 3] Generated Node #0,3,3: 98:[9, 3] Operation: 55-52=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[9, 3], Operations: ['74-19=55', '55-52=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[52, 46], Operations: ['74-19=55', '55-9=46'] Exploring Operation: 52+46=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[74, 19, 52, 9], Operations: [] Exploring Operation: 74-19=55, Resulting Numbers: [52, 9, 55] Generated Node #0,3: 98:[52, 9, 55] Operation: 74-19=55 Moving to Node #0,3 Current State: 98:[52, 9, 55], Operations: ['74-19=55'] Exploring Operation: 55-9=46, Resulting Numbers: [52, 46] Generated Node #0,3,2: 98:[52, 46] Operation: 55-9=46 Moving to Node #0,3,2 Current State: 98:[52, 46], Operations: ['74-19=55', '55-9=46'] Exploring Operation: 52+46=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 99, 96, 98, 90 ]
54
[ "98-96=2", "90/2=45", "99-45=54" ]
Current State: 54:[99, 96, 98, 90], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [99, 90, 2] Generated Node #2: [99, 90, 2] from Operation: 98-96=2 Current State: 54:[99, 90, 2], Operations: ['98-96=2'] Exploring Operation: 90/2=45, Resulting Numbers: [99, 45] Generated Node #3: [99, 45] from Operation: 90/2=45 Current State: 54:[99, 45], Operations: ['98-96=2', '90/2=45'] Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[99, 96, 98, 90], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [99, 90, 2] Generated Node #0,0: 54:[99, 90, 2] Operation: 98-96=2 Exploring Operation: 99-98=1, Resulting Numbers: [96, 90, 1] Generated Node #0,1: 54:[96, 90, 1] Operation: 99-98=1 Exploring Operation: 99-90=9, Resulting Numbers: [96, 98, 9] Generated Node #0,2: 54:[96, 98, 9] Operation: 99-90=9 Exploring Operation: 99-96=3, Resulting Numbers: [98, 90, 3] Generated Node #0,3: 54:[98, 90, 3] Operation: 99-96=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[96, 90, 1], Operations: ['99-98=1'] Exploring Operation: 96*1=96, Resulting Numbers: [90, 96] Generated Node #0,1,0: 54:[90, 96] Operation: 96*1=96 Exploring Operation: 96-1=95, Resulting Numbers: [90, 95] Generated Node #0,1,1: 54:[90, 95] Operation: 96-1=95 Exploring Operation: 96-90=6, Resulting Numbers: [1, 6] Generated Node #0,1,2: 54:[1, 6] Operation: 96-90=6 Exploring Operation: 90-1=89, Resulting Numbers: [96, 89] Generated Node #0,1,3: 54:[96, 89] Operation: 90-1=89 Moving to Node #0,1,2 Current State: 54:[1, 6], Operations: ['99-98=1', '96-90=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[96, 89], Operations: ['99-98=1', '90-1=89'] Exploring Operation: 96+89=185, Resulting Numbers: [185] 185,54 unequal: No Solution Exploring Operation: 96*89=8544, Resulting Numbers: [8544] 8544,54 unequal: No Solution Exploring Operation: 96-89=7, Resulting Numbers: [7] 7,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[90, 95], Operations: ['99-98=1', '96-1=95'] Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 90+95=185, Resulting Numbers: [185] 185,54 unequal: No Solution Exploring Operation: 90*95=8550, Resulting Numbers: [8550] 8550,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[90, 96], Operations: ['99-98=1', '96*1=96'] Exploring Operation: 90+96=186, Resulting Numbers: [186] 186,54 unequal: No Solution Exploring Operation: 90*96=8640, Resulting Numbers: [8640] 8640,54 unequal: No Solution Exploring Operation: 96-90=6, Resulting Numbers: [6] 6,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[98, 90, 3], Operations: ['99-96=3'] Exploring Operation: 90/3=30, Resulting Numbers: [98, 30] Generated Node #0,3,0: 54:[98, 30] Operation: 90/3=30 Exploring Operation: 90-3=87, Resulting Numbers: [98, 87] Generated Node #0,3,1: 54:[98, 87] Operation: 90-3=87 Exploring Operation: 98-90=8, Resulting Numbers: [3, 8] Generated Node #0,3,2: 54:[3, 8] Operation: 98-90=8 Exploring Operation: 98-3=95, Resulting Numbers: [90, 95] Generated Node #0,3,3: 54:[90, 95] Operation: 98-3=95 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[3, 8], Operations: ['99-96=3', '98-90=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[98, 30], Operations: ['99-96=3', '90/3=30'] Exploring Operation: 98*30=2940, Resulting Numbers: [2940] 2940,54 unequal: No Solution Exploring Operation: 98+30=128, Resulting Numbers: [128] 128,54 unequal: No Solution Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[98, 87], Operations: ['99-96=3', '90-3=87'] Exploring Operation: 98*87=8526, Resulting Numbers: [8526] 8526,54 unequal: No Solution Exploring Operation: 98-87=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 98+87=185, Resulting Numbers: [185] 185,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[90, 95], Operations: ['99-96=3', '98-3=95'] Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 90+95=185, Resulting Numbers: [185] 185,54 unequal: No Solution Exploring Operation: 90*95=8550, Resulting Numbers: [8550] 8550,54 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[99, 90, 2], Operations: ['98-96=2'] Exploring Operation: 90/2=45, Resulting Numbers: [99, 45] Generated Node #0,0,0: 54:[99, 45] Operation: 90/2=45 Exploring Operation: 99-2=97, Resulting Numbers: [90, 97] Generated Node #0,0,1: 54:[90, 97] Operation: 99-2=97 Exploring Operation: 90-2=88, Resulting Numbers: [99, 88] Generated Node #0,0,2: 54:[99, 88] Operation: 90-2=88 Exploring Operation: 99-90=9, Resulting Numbers: [2, 9] Generated Node #0,0,3: 54:[2, 9] Operation: 99-90=9 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 54:[2, 9], Operations: ['98-96=2', '99-90=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[99, 45], Operations: ['98-96=2', '90/2=45'] Exploring Operation: 99*45=4455, Resulting Numbers: [4455] 4455,54 unequal: No Solution Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[99, 96, 98, 90], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [99, 90, 2] Generated Node #0,0: 54:[99, 90, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 54:[99, 90, 2], Operations: ['98-96=2'] Exploring Operation: 90/2=45, Resulting Numbers: [99, 45] Generated Node #0,0,0: 54:[99, 45] Operation: 90/2=45 Moving to Node #0,0,0 Current State: 54:[99, 45], Operations: ['98-96=2', '90/2=45'] Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_4
sum_heuristic
[ 9, 2, 2, 42 ]
66
[ "9*2=18", "2*42=84", "84-18=66" ]
Current State: 66:[9, 2, 2, 42], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [42, 18] Generated Node #2: [42, 18] from Operation: 9*2=18 Current State: 66:[42, 18], Operations: ['9*2=18'] Exploring Operation: 2*42=84, Resulting Numbers: [18, 84] Generated Node #3: [18, 84] from Operation: 2*42=84 Current State: 66:[18, 84], Operations: ['9*2=18', '2*42=84'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[9, 2, 2, 42], Operations: [] Exploring Operation: 42-9=33, Resulting Numbers: [2, 2, 33] Generated Node #0,0: 66:[2, 2, 33] Operation: 42-9=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[2, 2, 33], Operations: ['42-9=33'] Exploring Operation: 2*33=66, Resulting Numbers: [2, 66] Generated Node #0,0,0: 66:[2, 66] Operation: 2*33=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[2, 66], Operations: ['42-9=33', '2*33=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,66 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
sum_heuristic
[ 50, 71, 29, 76 ]
95
[ "76-71=5", "29*5=145", "145-50=95" ]
Current State: 95:[50, 71, 29, 76], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [50, 29, 5] Generated Node #2: [50, 29, 5] from Operation: 76-71=5 Current State: 95:[50, 29, 5], Operations: ['76-71=5'] Exploring Operation: 29*5=145, Resulting Numbers: [50, 145] Generated Node #3: [50, 145] from Operation: 29*5=145 Current State: 95:[50, 145], Operations: ['76-71=5', '29*5=145'] Exploring Operation: 145-50=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[50, 71, 29, 76], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [50, 29, 5] Generated Node #0,0: 95:[50, 29, 5] Operation: 76-71=5 Exploring Operation: 71-50=21, Resulting Numbers: [29, 76, 21] Generated Node #0,1: 95:[29, 76, 21] Operation: 71-50=21 Exploring Operation: 76-50=26, Resulting Numbers: [71, 29, 26] Generated Node #0,2: 95:[71, 29, 26] Operation: 76-50=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[29, 76, 21], Operations: ['71-50=21'] Exploring Operation: 29-21=8, Resulting Numbers: [76, 8] Generated Node #0,1,0: 95:[76, 8] Operation: 29-21=8 Exploring Operation: 29+76=105, Resulting Numbers: [21, 105] Generated Node #0,1,1: 95:[21, 105] Operation: 29+76=105 Exploring Operation: 76+21=97, Resulting Numbers: [29, 97] Generated Node #0,1,2: 95:[29, 97] Operation: 76+21=97 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[21, 105], Operations: ['71-50=21', '29+76=105'] Exploring Operation: 21+105=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 105/21=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 105-21=84, Resulting Numbers: [84] 84,95 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 #0,1,2 Current State: 95:[29, 97], Operations: ['71-50=21', '76+21=97'] Exploring Operation: 29+97=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 29*97=2813, Resulting Numbers: [2813] 2813,95 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 #0,1,0 Current State: 95:[76, 8], Operations: ['71-50=21', '29-21=8'] Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,95 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,95 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[50, 29, 5], Operations: ['76-71=5'] Exploring Operation: 50-29=21, Resulting Numbers: [5, 21] Generated Node #0,0,0: 95:[5, 21] Operation: 50-29=21 Exploring Operation: 50/5=10, Resulting Numbers: [29, 10] Generated Node #0,0,1: 95:[29, 10] Operation: 50/5=10 Exploring Operation: 50+29=79, Resulting Numbers: [5, 79] Generated Node #0,0,2: 95:[5, 79] Operation: 50+29=79 Moving to Node #0,0,0 Current State: 95:[5, 21], Operations: ['76-71=5', '50-29=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[29, 10], Operations: ['76-71=5', '50/5=10'] Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,95 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,95 unequal: No Solution Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[5, 79], Operations: ['76-71=5', '50+29=79'] Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,95 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,95 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:[71, 29, 26], Operations: ['76-50=26'] Exploring Operation: 29-26=3, Resulting Numbers: [71, 3] Generated Node #0,2,0: 95:[71, 3] Operation: 29-26=3 Exploring Operation: 71+26=97, Resulting Numbers: [29, 97] Generated Node #0,2,1: 95:[29, 97] Operation: 71+26=97 Exploring Operation: 71+29=100, Resulting Numbers: [26, 100] Generated Node #0,2,2: 95:[26, 100] Operation: 71+29=100 Moving to Node #0,2,1 Current State: 95:[29, 97], Operations: ['76-50=26', '71+26=97'] Exploring Operation: 29*97=2813, Resulting Numbers: [2813] 2813,95 unequal: No Solution Exploring Operation: 29+97=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[26, 100], Operations: ['76-50=26', '71+29=100'] Exploring Operation: 26*100=2600, Resulting Numbers: [2600] 2600,95 unequal: No Solution Exploring Operation: 100-26=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 26+100=126, Resulting Numbers: [126] 126,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[71, 3], Operations: ['76-50=26', '29-26=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,95 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 87, 77, 71, 40 ]
41
[ "87-77=10", "71-40=31", "10+31=41" ]
Current State: 41:[87, 77, 71, 40], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [71, 40, 10] Generated Node #2: [71, 40, 10] from Operation: 87-77=10 Current State: 41:[71, 40, 10], Operations: ['87-77=10'] Exploring Operation: 71-40=31, Resulting Numbers: [10, 31] Generated Node #3: [10, 31] from Operation: 71-40=31 Current State: 41:[10, 31], Operations: ['87-77=10', '71-40=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[87, 77, 71, 40], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [77, 40, 16] Generated Node #0,0: 41:[77, 40, 16] Operation: 87-71=16 Exploring Operation: 87-77=10, Resulting Numbers: [71, 40, 10] Generated Node #0,1: 41:[71, 40, 10] Operation: 87-77=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[77, 40, 16], Operations: ['87-71=16'] Exploring Operation: 77-40=37, Resulting Numbers: [16, 37] Generated Node #0,0,0: 41:[16, 37] Operation: 77-40=37 Exploring Operation: 77-16=61, Resulting Numbers: [40, 61] Generated Node #0,0,1: 41:[40, 61] Operation: 77-16=61 Moving to Node #0,0,1 Current State: 41:[40, 61], Operations: ['87-71=16', '77-16=61'] Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[16, 37], Operations: ['87-71=16', '77-40=37'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[71, 40, 10], Operations: ['87-77=10'] Exploring Operation: 71-10=61, Resulting Numbers: [40, 61] Generated Node #0,1,0: 41:[40, 61] Operation: 71-10=61 Exploring Operation: 40+10=50, Resulting Numbers: [71, 50] Generated Node #0,1,1: 41:[71, 50] Operation: 40+10=50 Moving to Node #0,1,0 Current State: 41:[40, 61], Operations: ['87-77=10', '71-10=61'] Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[71, 50], Operations: ['87-77=10', '40+10=50'] Exploring Operation: 71+50=121, Resulting Numbers: [121] 121,41 unequal: No Solution Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 8, 35, 85, 13 ]
55
[ "8+35=43", "85+13=98", "98-43=55" ]
Current State: 55:[8, 35, 85, 13], Operations: [] Exploring Operation: 8+35=43, Resulting Numbers: [85, 13, 43] Generated Node #2: [85, 13, 43] from Operation: 8+35=43 Current State: 55:[85, 13, 43], Operations: ['8+35=43'] Exploring Operation: 85+13=98, Resulting Numbers: [43, 98] Generated Node #3: [43, 98] from Operation: 85+13=98 Current State: 55:[43, 98], Operations: ['8+35=43', '85+13=98'] Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[8, 35, 85, 13], Operations: [] Exploring Operation: 85-35=50, Resulting Numbers: [8, 13, 50] Generated Node #0,0: 55:[8, 13, 50] Operation: 85-35=50 Exploring Operation: 35+13=48, Resulting Numbers: [8, 85, 48] Generated Node #0,1: 55:[8, 85, 48] Operation: 35+13=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[8, 13, 50], Operations: ['85-35=50'] Exploring Operation: 13-8=5, Resulting Numbers: [50, 5] Generated Node #0,0,0: 55:[50, 5] Operation: 13-8=5 Exploring Operation: 8+50=58, Resulting Numbers: [13, 58] Generated Node #0,0,1: 55:[13, 58] Operation: 8+50=58 Moving to Node #0,0,0 Current State: 55:[50, 5], Operations: ['85-35=50', '13-8=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[8, 35, 85, 13], Operations: [] Exploring Operation: 85-35=50, Resulting Numbers: [8, 13, 50] Generated Node #0,0: 55:[8, 13, 50] Operation: 85-35=50 Moving to Node #0,0 Current State: 55:[8, 13, 50], Operations: ['85-35=50'] Exploring Operation: 13-8=5, Resulting Numbers: [50, 5] Generated Node #0,0,0: 55:[50, 5] Operation: 13-8=5 Moving to Node #0,0,0 Current State: 55:[50, 5], Operations: ['85-35=50', '13-8=5'] Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 54, 27, 29, 11 ]
20
[ "54/27=2", "29+11=40", "40/2=20" ]
Current State: 20:[54, 27, 29, 11], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [29, 11, 2] Generated Node #2: [29, 11, 2] from Operation: 54/27=2 Current State: 20:[29, 11, 2], Operations: ['54/27=2'] Exploring Operation: 29+11=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 29+11=40 Current State: 20:[2, 40], Operations: ['54/27=2', '29+11=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[54, 27, 29, 11], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [29, 11, 2] Generated Node #0,0: 20:[29, 11, 2] Operation: 54/27=2 Moving to Node #0,0 Current State: 20:[29, 11, 2], Operations: ['54/27=2'] Exploring Operation: 29-11=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 29-11=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['54/27=2', '29-11=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[54, 27, 29, 11], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [29, 11, 2] Generated Node #0,0: 20:[29, 11, 2] Operation: 54/27=2 Moving to Node #0,0 Current State: 20:[29, 11, 2], Operations: ['54/27=2'] Exploring Operation: 29-11=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 29-11=18 Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['54/27=2', '29-11=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 61, 63, 81, 3 ]
67
[ "81-63=18", "18/3=6", "61+6=67" ]
Current State: 67:[61, 63, 81, 3], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [61, 3, 18] Generated Node #2: [61, 3, 18] from Operation: 81-63=18 Current State: 67:[61, 3, 18], Operations: ['81-63=18'] Exploring Operation: 18/3=6, Resulting Numbers: [61, 6] Generated Node #3: [61, 6] from Operation: 18/3=6 Current State: 67:[61, 6], Operations: ['81-63=18', '18/3=6'] Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[61, 63, 81, 3], Operations: [] Exploring Operation: 81-3=78, Resulting Numbers: [61, 63, 78] Generated Node #0,0: 67:[61, 63, 78] Operation: 81-3=78 Exploring Operation: 61-3=58, Resulting Numbers: [63, 81, 58] Generated Node #0,1: 67:[63, 81, 58] Operation: 61-3=58 Exploring Operation: 61+3=64, Resulting Numbers: [63, 81, 64] Generated Node #0,2: 67:[63, 81, 64] Operation: 61+3=64 Exploring Operation: 63+3=66, Resulting Numbers: [61, 81, 66] Generated Node #0,3: 67:[61, 81, 66] Operation: 63+3=66 Moving to Node #0,0 Current State: 67:[61, 63, 78], Operations: ['81-3=78'] Exploring Operation: 61+63=124, Resulting Numbers: [78, 124] Generated Node #0,0,0: 67:[78, 124] Operation: 61+63=124 Exploring Operation: 63-61=2, Resulting Numbers: [78, 2] Generated Node #0,0,1: 67:[78, 2] Operation: 63-61=2 Exploring Operation: 78-61=17, Resulting Numbers: [63, 17] Generated Node #0,0,2: 67:[63, 17] Operation: 78-61=17 Exploring Operation: 78-63=15, Resulting Numbers: [61, 15] Generated Node #0,0,3: 67:[61, 15] Operation: 78-63=15 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[63, 17], Operations: ['81-3=78', '78-61=17'] Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,67 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[61, 15], Operations: ['81-3=78', '78-63=15'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,67 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[78, 124], Operations: ['81-3=78', '61+63=124'] Exploring Operation: 78*124=9672, Resulting Numbers: [9672] 9672,67 unequal: No Solution Exploring Operation: 124-78=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 78+124=202, Resulting Numbers: [202] 202,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[78, 2], Operations: ['81-3=78', '63-61=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 67:[61, 81, 66], Operations: ['63+3=66'] Exploring Operation: 81-61=20, Resulting Numbers: [66, 20] Generated Node #0,3,0: 67:[66, 20] Operation: 81-61=20 Exploring Operation: 81-66=15, Resulting Numbers: [61, 15] Generated Node #0,3,1: 67:[61, 15] Operation: 81-66=15 Exploring Operation: 61+81=142, Resulting Numbers: [66, 142] Generated Node #0,3,2: 67:[66, 142] Operation: 61+81=142 Exploring Operation: 61+66=127, Resulting Numbers: [81, 127] Generated Node #0,3,3: 67:[81, 127] Operation: 61+66=127 Moving to Node #0,2 Current State: 67:[63, 81, 64], Operations: ['61+3=64'] Exploring Operation: 63+64=127, Resulting Numbers: [81, 127] Generated Node #0,2,0: 67:[81, 127] Operation: 63+64=127 Exploring Operation: 81-63=18, Resulting Numbers: [64, 18] Generated Node #0,2,1: 67:[64, 18] Operation: 81-63=18 Exploring Operation: 81-64=17, Resulting Numbers: [63, 17] Generated Node #0,2,2: 67:[63, 17] Operation: 81-64=17 Exploring Operation: 63+81=144, Resulting Numbers: [64, 144] Generated Node #0,2,3: 67:[64, 144] Operation: 63+81=144 Moving to Node #0,1 Current State: 67:[63, 81, 58], Operations: ['61-3=58'] Exploring Operation: 81-58=23, Resulting Numbers: [63, 23] Generated Node #0,1,0: 67:[63, 23] Operation: 81-58=23 Exploring Operation: 63-58=5, Resulting Numbers: [81, 5] Generated Node #0,1,1: 67:[81, 5] Operation: 63-58=5 Exploring Operation: 81-63=18, Resulting Numbers: [58, 18] Generated Node #0,1,2: 67:[58, 18] Operation: 81-63=18 Exploring Operation: 63+58=121, Resulting Numbers: [81, 121] Generated Node #0,1,3: 67:[81, 121] Operation: 63+58=121 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[63, 23], Operations: ['61-3=58', '81-58=23'] Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[58, 18], Operations: ['61-3=58', '81-63=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,67 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,67 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[81, 121], Operations: ['61-3=58', '63+58=121'] Exploring Operation: 81*121=9801, Resulting Numbers: [9801] 9801,67 unequal: No Solution Exploring Operation: 81+121=202, Resulting Numbers: [202] 202,67 unequal: No Solution Exploring Operation: 121-81=40, Resulting Numbers: [40] 40,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[81, 5], Operations: ['61-3=58', '63-58=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,67 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: 67:[66, 20], Operations: ['63+3=66', '81-61=20'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,67 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[64, 18], Operations: ['61+3=64', '81-63=18'] Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[63, 17], Operations: ['61+3=64', '81-64=17'] Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,67 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[61, 15], Operations: ['63+3=66', '81-66=15'] Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[81, 127], Operations: ['63+3=66', '61+66=127'] Exploring Operation: 81*127=10287, Resulting Numbers: [10287] 10287,67 unequal: No Solution Exploring Operation: 127-81=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 81+127=208, Resulting Numbers: [208] 208,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[81, 127], Operations: ['61+3=64', '63+64=127'] Exploring Operation: 127-81=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 81+127=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 81*127=10287, Resulting Numbers: [10287] 10287,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[66, 142], Operations: ['63+3=66', '61+81=142'] Exploring Operation: 142-66=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 66*142=9372, Resulting Numbers: [9372] 9372,67 unequal: No Solution Exploring Operation: 66+142=208, Resulting Numbers: [208] 208,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[64, 144], Operations: ['61+3=64', '63+81=144'] Exploring Operation: 64*144=9216, Resulting Numbers: [9216] 9216,67 unequal: No Solution Exploring Operation: 144-64=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 64+144=208, Resulting Numbers: [208] 208,67 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 51, 77, 84, 30 ]
74
[ "51+77=128", "84-30=54", "128-54=74" ]
Current State: 74:[51, 77, 84, 30], Operations: [] Exploring Operation: 51+77=128, Resulting Numbers: [84, 30, 128] Generated Node #2: [84, 30, 128] from Operation: 51+77=128 Current State: 74:[84, 30, 128], Operations: ['51+77=128'] Exploring Operation: 84-30=54, Resulting Numbers: [128, 54] Generated Node #3: [128, 54] from Operation: 84-30=54 Current State: 74:[128, 54], Operations: ['51+77=128', '84-30=54'] Exploring Operation: 128-54=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[51, 77, 84, 30], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [77, 30, 33] Generated Node #0,0: 74:[77, 30, 33] Operation: 84-51=33 Exploring Operation: 84-77=7, Resulting Numbers: [51, 30, 7] Generated Node #0,1: 74:[51, 30, 7] Operation: 84-77=7 Exploring Operation: 77-51=26, Resulting Numbers: [84, 30, 26] Generated Node #0,2: 74:[84, 30, 26] Operation: 77-51=26 Exploring Operation: 51+30=81, Resulting Numbers: [77, 84, 81] Generated Node #0,3: 74:[77, 84, 81] Operation: 51+30=81 Moving to Node #0,0 Current State: 74:[77, 30, 33], Operations: ['84-51=33'] Exploring Operation: 30+33=63, Resulting Numbers: [77, 63] Generated Node #0,0,0: 74:[77, 63] Operation: 30+33=63 Exploring Operation: 77-33=44, Resulting Numbers: [30, 44] Generated Node #0,0,1: 74:[30, 44] Operation: 77-33=44 Exploring Operation: 33-30=3, Resulting Numbers: [77, 3] Generated Node #0,0,2: 74:[77, 3] Operation: 33-30=3 Exploring Operation: 77-30=47, Resulting Numbers: [33, 47] Generated Node #0,0,3: 74:[33, 47] Operation: 77-30=47 Moving to Node #0,3 Current State: 74:[77, 84, 81], Operations: ['51+30=81'] Exploring Operation: 84-81=3, Resulting Numbers: [77, 3] Generated Node #0,3,0: 74:[77, 3] Operation: 84-81=3 Exploring Operation: 81-77=4, Resulting Numbers: [84, 4] Generated Node #0,3,1: 74:[84, 4] Operation: 81-77=4 Exploring Operation: 77+84=161, Resulting Numbers: [81, 161] Generated Node #0,3,2: 74:[81, 161] Operation: 77+84=161 Exploring Operation: 84-77=7, Resulting Numbers: [81, 7] Generated Node #0,3,3: 74:[81, 7] Operation: 84-77=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 74:[77, 3], Operations: ['51+30=81', '84-81=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[51, 77, 84, 30], Operations: [] Exploring Operation: 51+30=81, Resulting Numbers: [77, 84, 81] Generated Node #0,3: 74:[77, 84, 81] Operation: 51+30=81 Moving to Node #0,3 Current State: 74:[77, 84, 81], Operations: ['51+30=81'] Exploring Operation: 84-81=3, Resulting Numbers: [77, 3] Generated Node #0,3,0: 74:[77, 3] Operation: 84-81=3 Moving to Node #0,3,0 Current State: 74:[77, 3], Operations: ['51+30=81', '84-81=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 4, 17, 53, 42 ]
82
[ "17-4=13", "53+42=95", "95-13=82" ]
Current State: 82:[4, 17, 53, 42], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [53, 42, 13] Generated Node #2: [53, 42, 13] from Operation: 17-4=13 Current State: 82:[53, 42, 13], Operations: ['17-4=13'] Exploring Operation: 53+42=95, Resulting Numbers: [13, 95] Generated Node #3: [13, 95] from Operation: 53+42=95 Current State: 82:[13, 95], Operations: ['17-4=13', '53+42=95'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[4, 17, 53, 42], Operations: [] Exploring Operation: 53-42=11, Resulting Numbers: [4, 17, 11] Generated Node #0,0: 82:[4, 17, 11] Operation: 53-42=11 Exploring Operation: 53-17=36, Resulting Numbers: [4, 42, 36] Generated Node #0,1: 82:[4, 42, 36] Operation: 53-17=36 Exploring Operation: 17+53=70, Resulting Numbers: [4, 42, 70] Generated Node #0,2: 82:[4, 42, 70] Operation: 17+53=70 Exploring Operation: 17-4=13, Resulting Numbers: [53, 42, 13] Generated Node #0,3: 82:[53, 42, 13] Operation: 17-4=13 Exploring Operation: 53-4=49, Resulting Numbers: [17, 42, 49] Generated Node #0,4: 82:[17, 42, 49] Operation: 53-4=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[4, 42, 36], Operations: ['53-17=36'] Exploring Operation: 42-4=38, Resulting Numbers: [36, 38] Generated Node #0,1,0: 82:[36, 38] Operation: 42-4=38 Exploring Operation: 4+36=40, Resulting Numbers: [42, 40] Generated Node #0,1,1: 82:[42, 40] Operation: 4+36=40 Exploring Operation: 42+36=78, Resulting Numbers: [4, 78] Generated Node #0,1,2: 82:[4, 78] Operation: 42+36=78 Exploring Operation: 42-36=6, Resulting Numbers: [4, 6] Generated Node #0,1,3: 82:[4, 6] Operation: 42-36=6 Exploring Operation: 36/4=9, Resulting Numbers: [42, 9] Generated Node #0,1,4: 82:[42, 9] Operation: 36/4=9 Moving to Node #0,1,1 Current State: 82:[42, 40], Operations: ['53-17=36', '4+36=40'] Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,82 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[4, 17, 53, 42], Operations: [] Exploring Operation: 53-17=36, Resulting Numbers: [4, 42, 36] Generated Node #0,1: 82:[4, 42, 36] Operation: 53-17=36 Moving to Node #0,1 Current State: 82:[4, 42, 36], Operations: ['53-17=36'] Exploring Operation: 4+36=40, Resulting Numbers: [42, 40] Generated Node #0,1,1: 82:[42, 40] Operation: 4+36=40 Moving to Node #0,1,1 Current State: 82:[42, 40], Operations: ['53-17=36', '4+36=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 94, 68, 24, 31 ]
19
[ "94-68=26", "31-24=7", "26-7=19" ]
Current State: 19:[94, 68, 24, 31], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [24, 31, 26] Generated Node #2: [24, 31, 26] from Operation: 94-68=26 Current State: 19:[24, 31, 26], Operations: ['94-68=26'] Exploring Operation: 31-24=7, Resulting Numbers: [26, 7] Generated Node #3: [26, 7] from Operation: 31-24=7 Current State: 19:[26, 7], Operations: ['94-68=26', '31-24=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[94, 68, 24, 31], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [24, 31, 26] Generated Node #0,0: 19:[24, 31, 26] Operation: 94-68=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[24, 31, 26], Operations: ['94-68=26'] Exploring Operation: 31-24=7, Resulting Numbers: [26, 7] Generated Node #0,0,0: 19:[26, 7] Operation: 31-24=7 Moving to Node #0,0,0 Current State: 19:[26, 7], Operations: ['94-68=26', '31-24=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[94, 68, 24, 31], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [24, 31, 26] Generated Node #0,0: 19:[24, 31, 26] Operation: 94-68=26 Moving to Node #0,0 Current State: 19:[24, 31, 26], Operations: ['94-68=26'] Exploring Operation: 31-24=7, Resulting Numbers: [26, 7] Generated Node #0,0,0: 19:[26, 7] Operation: 31-24=7 Moving to Node #0,0,0 Current State: 19:[26, 7], Operations: ['94-68=26', '31-24=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 81, 7, 28, 54 ]
48
[ "81-7=74", "54-28=26", "74-26=48" ]
Current State: 48:[81, 7, 28, 54], Operations: [] Exploring Operation: 81-7=74, Resulting Numbers: [28, 54, 74] Generated Node #2: [28, 54, 74] from Operation: 81-7=74 Current State: 48:[28, 54, 74], Operations: ['81-7=74'] Exploring Operation: 54-28=26, Resulting Numbers: [74, 26] Generated Node #3: [74, 26] from Operation: 54-28=26 Current State: 48:[74, 26], Operations: ['81-7=74', '54-28=26'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[81, 7, 28, 54], Operations: [] Exploring Operation: 81-7=74, Resulting Numbers: [28, 54, 74] Generated Node #0,0: 48:[28, 54, 74] Operation: 81-7=74 Exploring Operation: 81-28=53, Resulting Numbers: [7, 54, 53] Generated Node #0,1: 48:[7, 54, 53] Operation: 81-28=53 Exploring Operation: 81-54=27, Resulting Numbers: [7, 28, 27] Generated Node #0,2: 48:[7, 28, 27] Operation: 81-54=27 Exploring Operation: 54-28=26, Resulting Numbers: [81, 7, 26] Generated Node #0,3: 48:[81, 7, 26] Operation: 54-28=26 Moving to Node #0,2 Current State: 48:[7, 28, 27], Operations: ['81-54=27'] Exploring Operation: 28/7=4, Resulting Numbers: [27, 4] Generated Node #0,2,0: 48:[27, 4] Operation: 28/7=4 Exploring Operation: 27-7=20, Resulting Numbers: [28, 20] Generated Node #0,2,1: 48:[28, 20] Operation: 27-7=20 Exploring Operation: 28-27=1, Resulting Numbers: [7, 1] Generated Node #0,2,2: 48:[7, 1] Operation: 28-27=1 Exploring Operation: 28-7=21, Resulting Numbers: [27, 21] Generated Node #0,2,3: 48:[27, 21] Operation: 28-7=21 Moving to Node #0,1 Current State: 48:[7, 54, 53], Operations: ['81-28=53'] Exploring Operation: 53-7=46, Resulting Numbers: [54, 46] Generated Node #0,1,0: 48:[54, 46] Operation: 53-7=46 Exploring Operation: 7+54=61, Resulting Numbers: [53, 61] Generated Node #0,1,1: 48:[53, 61] Operation: 7+54=61 Exploring Operation: 54-7=47, Resulting Numbers: [53, 47] Generated Node #0,1,2: 48:[53, 47] Operation: 54-7=47 Exploring Operation: 54-53=1, Resulting Numbers: [7, 1] Generated Node #0,1,3: 48:[7, 1] Operation: 54-53=1 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[7, 1], Operations: ['81-28=53', '54-53=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,48 unequal: No Solution No 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: 48:[53, 47], Operations: ['81-28=53', '54-7=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,48 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,48 unequal: No Solution No 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: 48:[54, 46], Operations: ['81-28=53', '53-7=46'] Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 54+46=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 54*46=2484, Resulting Numbers: [2484] 2484,48 unequal: No Solution No 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: 48:[53, 61], Operations: ['81-28=53', '7+54=61'] Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,48 unequal: No Solution Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,48 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,48 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: 48:[81, 7, 26], Operations: ['54-28=26'] Exploring Operation: 26-7=19, Resulting Numbers: [81, 19] Generated Node #0,3,0: 48:[81, 19] Operation: 26-7=19 Exploring Operation: 81+7=88, Resulting Numbers: [26, 88] Generated Node #0,3,1: 48:[26, 88] Operation: 81+7=88 Exploring Operation: 81-7=74, Resulting Numbers: [26, 74] Generated Node #0,3,2: 48:[26, 74] Operation: 81-7=74 Exploring Operation: 81-26=55, Resulting Numbers: [7, 55] Generated Node #0,3,3: 48:[7, 55] Operation: 81-26=55 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[7, 55], Operations: ['54-28=26', '81-26=55'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[81, 7, 28, 54], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [81, 7, 26] Generated Node #0,3: 48:[81, 7, 26] Operation: 54-28=26 Moving to Node #0,3 Current State: 48:[81, 7, 26], Operations: ['54-28=26'] Exploring Operation: 81-26=55, Resulting Numbers: [7, 55] Generated Node #0,3,3: 48:[7, 55] Operation: 81-26=55 Moving to Node #0,3,3 Current State: 48:[7, 55], Operations: ['54-28=26', '81-26=55'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 77, 80, 79, 87 ]
87
[ "87-77=10", "80/10=8", "79+8=87" ]
Current State: 87:[77, 80, 79, 87], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [80, 79, 10] Generated Node #2: [80, 79, 10] from Operation: 87-77=10 Current State: 87:[80, 79, 10], Operations: ['87-77=10'] Exploring Operation: 80/10=8, Resulting Numbers: [79, 8] Generated Node #3: [79, 8] from Operation: 80/10=8 Current State: 87:[79, 8], Operations: ['87-77=10', '80/10=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[77, 80, 79, 87], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [79, 87, 3] Generated Node #0,0: 87:[79, 87, 3] Operation: 80-77=3 Exploring Operation: 79-77=2, Resulting Numbers: [80, 87, 2] Generated Node #0,1: 87:[80, 87, 2] Operation: 79-77=2 Exploring Operation: 87-77=10, Resulting Numbers: [80, 79, 10] Generated Node #0,2: 87:[80, 79, 10] Operation: 87-77=10 Exploring Operation: 80-79=1, Resulting Numbers: [77, 87, 1] Generated Node #0,3: 87:[77, 87, 1] Operation: 80-79=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[79, 87, 3], Operations: ['80-77=3'] Exploring Operation: 87-79=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 87:[3, 8] Operation: 87-79=8 Exploring Operation: 79-3=76, Resulting Numbers: [87, 76] Generated Node #0,0,1: 87:[87, 76] Operation: 79-3=76 Exploring Operation: 87/3=29, Resulting Numbers: [79, 29] Generated Node #0,0,2: 87:[79, 29] Operation: 87/3=29 Exploring Operation: 79+3=82, Resulting Numbers: [87, 82] Generated Node #0,0,3: 87:[87, 82] Operation: 79+3=82 Moving to Node #0,0,0 Current State: 87:[3, 8], Operations: ['80-77=3', '87-79=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[87, 82], Operations: ['80-77=3', '79+3=82'] Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 87+82=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 87*82=7134, Resulting Numbers: [7134] 7134,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[79, 29], Operations: ['80-77=3', '87/3=29'] Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,87 unequal: No Solution Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,87 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[87, 76], Operations: ['80-77=3', '79-3=76'] Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 87*76=6612, Resulting Numbers: [6612] 6612,87 unequal: No Solution Exploring Operation: 87+76=163, Resulting Numbers: [163] 163,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[80, 87, 2], Operations: ['79-77=2'] Exploring Operation: 80-2=78, Resulting Numbers: [87, 78] Generated Node #0,1,0: 87:[87, 78] Operation: 80-2=78 Exploring Operation: 87+2=89, Resulting Numbers: [80, 89] Generated Node #0,1,1: 87:[80, 89] Operation: 87+2=89 Exploring Operation: 80+2=82, Resulting Numbers: [87, 82] Generated Node #0,1,2: 87:[87, 82] Operation: 80+2=82 Exploring Operation: 87-80=7, Resulting Numbers: [2, 7] Generated Node #0,1,3: 87:[2, 7] Operation: 87-80=7 Moving to Node #0,1,2 Current State: 87:[87, 82], Operations: ['79-77=2', '80+2=82'] Exploring Operation: 87*82=7134, Resulting Numbers: [7134] 7134,87 unequal: No Solution Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 87+82=169, Resulting Numbers: [169] 169,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[2, 7], Operations: ['79-77=2', '87-80=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[80, 89], Operations: ['79-77=2', '87+2=89'] Exploring Operation: 89-80=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 80+89=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 80*89=7120, Resulting Numbers: [7120] 7120,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[87, 78], Operations: ['79-77=2', '80-2=78'] Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 87+78=165, Resulting Numbers: [165] 165,87 unequal: No Solution Exploring Operation: 87*78=6786, Resulting Numbers: [6786] 6786,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[77, 87, 1], Operations: ['80-79=1'] Exploring Operation: 87-77=10, Resulting Numbers: [1, 10] Generated Node #0,3,0: 87:[1, 10] Operation: 87-77=10 Exploring Operation: 77*1=77, Resulting Numbers: [87, 77] Generated Node #0,3,1: 87:[87, 77] Operation: 77*1=77 Exploring Operation: 77/1=77, Resulting Numbers: [87, 77] Generated Node #0,3,2: 87:[87, 77] Operation: 77/1=77 Exploring Operation: 77+1=78, Resulting Numbers: [87, 78] Generated Node #0,3,3: 87:[87, 78] Operation: 77+1=78 Moving to Node #0,3,0 Current State: 87:[1, 10], Operations: ['80-79=1', '87-77=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[87, 78], Operations: ['80-79=1', '77+1=78'] Exploring Operation: 87+78=165, Resulting Numbers: [165] 165,87 unequal: No Solution Exploring Operation: 87*78=6786, Resulting Numbers: [6786] 6786,87 unequal: No Solution Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[87, 77], Operations: ['80-79=1', '77/1=77'] Exploring Operation: 87-77=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 87*77=6699, Resulting Numbers: [6699] 6699,87 unequal: No Solution Exploring Operation: 87+77=164, Resulting Numbers: [164] 164,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[87, 77], Operations: ['80-79=1', '77*1=77'] Exploring Operation: 87-77=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 87+77=164, Resulting Numbers: [164] 164,87 unequal: No Solution Exploring Operation: 87*77=6699, Resulting Numbers: [6699] 6699,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[80, 79, 10], Operations: ['87-77=10'] Exploring Operation: 80/10=8, Resulting Numbers: [79, 8] Generated Node #0,2,0: 87:[79, 8] Operation: 80/10=8 Exploring Operation: 79+10=89, Resulting Numbers: [80, 89] Generated Node #0,2,1: 87:[80, 89] Operation: 79+10=89 Exploring Operation: 80+10=90, Resulting Numbers: [79, 90] Generated Node #0,2,2: 87:[79, 90] Operation: 80+10=90 Exploring Operation: 80-79=1, Resulting Numbers: [10, 1] Generated Node #0,2,3: 87:[10, 1] Operation: 80-79=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 87:[80, 89], Operations: ['87-77=10', '79+10=89'] Exploring Operation: 80*89=7120, Resulting Numbers: [7120] 7120,87 unequal: No Solution Exploring Operation: 80+89=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 89-80=9, Resulting Numbers: [9] 9,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 87:[10, 1], Operations: ['87-77=10', '80-79=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[79, 90], Operations: ['87-77=10', '80+10=90'] Exploring Operation: 79+90=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 79*90=7110, Resulting Numbers: [7110] 7110,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 87:[79, 8], Operations: ['87-77=10', '80/10=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[77, 80, 79, 87], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [80, 79, 10] Generated Node #0,2: 87:[80, 79, 10] Operation: 87-77=10 Moving to Node #0,2 Current State: 87:[80, 79, 10], Operations: ['87-77=10'] Exploring Operation: 80/10=8, Resulting Numbers: [79, 8] Generated Node #0,2,0: 87:[79, 8] Operation: 80/10=8 Moving to Node #0,2,0 Current State: 87:[79, 8], Operations: ['87-77=10', '80/10=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.9375
hs_4
mult_heuristic
[ 80, 13, 10, 80 ]
75
[ "80-13=67", "80/10=8", "67+8=75" ]
Current State: 75:[80, 13, 10, 80], Operations: [] Exploring Operation: 80-13=67, Resulting Numbers: [10, 67] Generated Node #2: [10, 67] from Operation: 80-13=67 Current State: 75:[10, 67], Operations: ['80-13=67'] Exploring Operation: 80/10=8, Resulting Numbers: [67, 8] Generated Node #3: [67, 8] from Operation: 80/10=8 Current State: 75:[67, 8], Operations: ['80-13=67', '80/10=8'] Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[80, 13, 10, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [13, 80, 8] Generated Node #0,0: 75:[13, 80, 8] Operation: 80/10=8 Exploring Operation: 80/80=1, Resulting Numbers: [13, 10, 1] Generated Node #0,1: 75:[13, 10, 1] Operation: 80/80=1 Exploring Operation: 80-80=0, Resulting Numbers: [13, 10, 0] Generated Node #0,2: 75:[13, 10, 0] Operation: 80-80=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[13, 10, 1], Operations: ['80/80=1'] Exploring Operation: 13-10=3, Resulting Numbers: [1, 3] Generated Node #0,1,0: 75:[1, 3] Operation: 13-10=3 Exploring Operation: 13+10=23, Resulting Numbers: [1, 23] Generated Node #0,1,1: 75:[1, 23] Operation: 13+10=23 Exploring Operation: 13+1=14, Resulting Numbers: [10, 14] Generated Node #0,1,2: 75:[10, 14] Operation: 13+1=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[1, 3], Operations: ['80/80=1', '13-10=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[1, 23], Operations: ['80/80=1', '13+10=23'] Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 1+23=24, Resulting Numbers: [24] 24,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[10, 14], Operations: ['80/80=1', '13+1=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,75 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[13, 80, 8], Operations: ['80/10=8'] Exploring Operation: 13-8=5, Resulting Numbers: [80, 5] Generated Node #0,0,0: 75:[80, 5] Operation: 13-8=5 Exploring Operation: 80/8=10, Resulting Numbers: [13, 10] Generated Node #0,0,1: 75:[13, 10] Operation: 80/8=10 Exploring Operation: 80-8=72, Resulting Numbers: [13, 72] Generated Node #0,0,2: 75:[13, 72] Operation: 80-8=72 Moving to Node #0,0,0 Current State: 75:[80, 5], Operations: ['80/10=8', '13-8=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[80, 13, 10, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [13, 80, 8] Generated Node #0,0: 75:[13, 80, 8] Operation: 80/10=8 Moving to Node #0,0 Current State: 75:[13, 80, 8], Operations: ['80/10=8'] Exploring Operation: 13-8=5, Resulting Numbers: [80, 5] Generated Node #0,0,0: 75:[80, 5] Operation: 13-8=5 Moving to Node #0,0,0 Current State: 75:[80, 5], Operations: ['80/10=8', '13-8=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 14, 9, 43, 41 ]
16
[ "43-41=2", "14/2=7", "9+7=16" ]
Current State: 16:[14, 9, 43, 41], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [14, 9, 2] Generated Node #2: [14, 9, 2] from Operation: 43-41=2 Current State: 16:[14, 9, 2], Operations: ['43-41=2'] Exploring Operation: 14/2=7, Resulting Numbers: [9, 7] Generated Node #3: [9, 7] from Operation: 14/2=7 Current State: 16:[9, 7], Operations: ['43-41=2', '14/2=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[14, 9, 43, 41], Operations: [] Exploring Operation: 43-14=29, Resulting Numbers: [9, 41, 29] Generated Node #0,0: 16:[9, 41, 29] Operation: 43-14=29 Exploring Operation: 43-9=34, Resulting Numbers: [14, 41, 34] Generated Node #0,1: 16:[14, 41, 34] Operation: 43-9=34 Exploring Operation: 43-41=2, Resulting Numbers: [14, 9, 2] Generated Node #0,2: 16:[14, 9, 2] Operation: 43-41=2 Exploring Operation: 41-14=27, Resulting Numbers: [9, 43, 27] Generated Node #0,3: 16:[9, 43, 27] Operation: 41-14=27 Moving to Node #0,2 Current State: 16:[14, 9, 2], Operations: ['43-41=2'] Exploring Operation: 14/2=7, Resulting Numbers: [9, 7] Generated Node #0,2,0: 16:[9, 7] Operation: 14/2=7 Exploring Operation: 9-2=7, Resulting Numbers: [14, 7] Generated Node #0,2,1: 16:[14, 7] Operation: 9-2=7 Exploring Operation: 14+2=16, Resulting Numbers: [9, 16] Generated Node #0,2,2: 16:[9, 16] Operation: 14+2=16 Exploring Operation: 14-9=5, Resulting Numbers: [2, 5] Generated Node #0,2,3: 16:[2, 5] Operation: 14-9=5 Moving to Node #0,3 Current State: 16:[9, 43, 27], Operations: ['41-14=27'] Exploring Operation: 27-9=18, Resulting Numbers: [43, 18] Generated Node #0,3,0: 16:[43, 18] Operation: 27-9=18 Exploring Operation: 43-9=34, Resulting Numbers: [27, 34] Generated Node #0,3,1: 16:[27, 34] Operation: 43-9=34 Exploring Operation: 27/9=3, Resulting Numbers: [43, 3] Generated Node #0,3,2: 16:[43, 3] Operation: 27/9=3 Exploring Operation: 43-27=16, Resulting Numbers: [9, 16] Generated Node #0,3,3: 16:[9, 16] Operation: 43-27=16 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[9, 16], Operations: ['41-14=27', '43-27=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,16 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[43, 3], Operations: ['41-14=27', '27/9=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,16 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[43, 18], Operations: ['41-14=27', '27-9=18'] Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,16 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 #0,3,1 Current State: 16:[27, 34], Operations: ['41-14=27', '43-9=34'] Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,16 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,16 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: 16:[9, 41, 29], Operations: ['43-14=29'] Exploring Operation: 41-9=32, Resulting Numbers: [29, 32] Generated Node #0,0,0: 16:[29, 32] Operation: 41-9=32 Exploring Operation: 29-9=20, Resulting Numbers: [41, 20] Generated Node #0,0,1: 16:[41, 20] Operation: 29-9=20 Exploring Operation: 41-29=12, Resulting Numbers: [9, 12] Generated Node #0,0,2: 16:[9, 12] Operation: 41-29=12 Exploring Operation: 9+41=50, Resulting Numbers: [29, 50] Generated Node #0,0,3: 16:[29, 50] Operation: 9+41=50 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[9, 12], Operations: ['43-14=29', '41-29=12'] Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,16 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,16 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 #0,0,0 Current State: 16:[29, 32], Operations: ['43-14=29', '41-9=32'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,16 unequal: No Solution Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,16 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 #0,0,1 Current State: 16:[41, 20], Operations: ['43-14=29', '29-9=20'] Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,16 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,16 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 #0,0,3 Current State: 16:[29, 50], Operations: ['43-14=29', '9+41=50'] Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,16 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[14, 41, 34], Operations: ['43-9=34'] Exploring Operation: 34-14=20, Resulting Numbers: [41, 20] Generated Node #0,1,0: 16:[41, 20] Operation: 34-14=20 Exploring Operation: 41-14=27, Resulting Numbers: [34, 27] Generated Node #0,1,1: 16:[34, 27] Operation: 41-14=27 Exploring Operation: 41-34=7, Resulting Numbers: [14, 7] Generated Node #0,1,2: 16:[14, 7] Operation: 41-34=7 Exploring Operation: 14+41=55, Resulting Numbers: [34, 55] Generated Node #0,1,3: 16:[34, 55] Operation: 14+41=55 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[14, 7], Operations: ['43-9=34', '41-34=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,16 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,16 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 #0,1,0 Current State: 16:[41, 20], Operations: ['43-9=34', '34-14=20'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,16 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,16 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 #0,1,1 Current State: 16:[34, 27], Operations: ['43-9=34', '41-14=27'] Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,16 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,16 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 #0,1,3 Current State: 16:[34, 55], Operations: ['43-9=34', '14+41=55'] Exploring Operation: 34*55=1870, Resulting Numbers: [1870] 1870,16 unequal: No Solution Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 34+55=89, Resulting Numbers: [89] 89,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 16:[9, 16], Operations: ['43-41=2', '14+2=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,16 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[2, 5], Operations: ['43-41=2', '14-9=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[9, 7], Operations: ['43-41=2', '14/2=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[14, 9, 43, 41], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [14, 9, 2] Generated Node #0,2: 16:[14, 9, 2] Operation: 43-41=2 Moving to Node #0,2 Current State: 16:[14, 9, 2], Operations: ['43-41=2'] Exploring Operation: 14/2=7, Resulting Numbers: [9, 7] Generated Node #0,2,0: 16:[9, 7] Operation: 14/2=7 Moving to Node #0,2,0 Current State: 16:[9, 7], Operations: ['43-41=2', '14/2=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.939236
hs_4
sum_heuristic
[ 4, 9, 52, 93 ]
77
[ "4*9=36", "93-52=41", "36+41=77" ]
Current State: 77:[4, 9, 52, 93], Operations: [] Exploring Operation: 4*9=36, Resulting Numbers: [52, 93, 36] Generated Node #2: [52, 93, 36] from Operation: 4*9=36 Current State: 77:[52, 93, 36], Operations: ['4*9=36'] Exploring Operation: 93-52=41, Resulting Numbers: [36, 41] Generated Node #3: [36, 41] from Operation: 93-52=41 Current State: 77:[36, 41], Operations: ['4*9=36', '93-52=41'] Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[4, 9, 52, 93], Operations: [] Exploring Operation: 9+52=61, Resulting Numbers: [4, 93, 61] Generated Node #0,0: 77:[4, 93, 61] Operation: 9+52=61 Exploring Operation: 93-9=84, Resulting Numbers: [4, 52, 84] Generated Node #0,1: 77:[4, 52, 84] Operation: 93-9=84 Exploring Operation: 52/4=13, Resulting Numbers: [9, 93, 13] Generated Node #0,2: 77:[9, 93, 13] Operation: 52/4=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[9, 93, 13], Operations: ['52/4=13'] Exploring Operation: 93-9=84, Resulting Numbers: [13, 84] Generated Node #0,2,0: 77:[13, 84] Operation: 93-9=84 Exploring Operation: 93-13=80, Resulting Numbers: [9, 80] Generated Node #0,2,1: 77:[9, 80] Operation: 93-13=80 Exploring Operation: 13-9=4, Resulting Numbers: [93, 4] Generated Node #0,2,2: 77:[93, 4] Operation: 13-9=4 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 77:[9, 80], Operations: ['52/4=13', '93-13=80'] Exploring Operation: 9+80=89, Resulting Numbers: [89] 89,77 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 9*80=720, Resulting Numbers: [720] 720,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 77:[13, 84], Operations: ['52/4=13', '93-9=84'] Exploring Operation: 13*84=1092, Resulting Numbers: [1092] 1092,77 unequal: No Solution Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 13+84=97, Resulting Numbers: [97] 97,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 77:[93, 4], Operations: ['52/4=13', '13-9=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,77 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,77 unequal: No Solution Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[4, 93, 61], Operations: ['9+52=61'] Exploring Operation: 4+61=65, Resulting Numbers: [93, 65] Generated Node #0,0,0: 77:[93, 65] Operation: 4+61=65 Exploring Operation: 93-61=32, Resulting Numbers: [4, 32] Generated Node #0,0,1: 77:[4, 32] Operation: 93-61=32 Exploring Operation: 93-4=89, Resulting Numbers: [61, 89] Generated Node #0,0,2: 77:[61, 89] Operation: 93-4=89 Moving to Node #0,0,1 Current State: 77:[4, 32], Operations: ['9+52=61', '93-61=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,77 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[93, 65], Operations: ['9+52=61', '4+61=65'] Exploring Operation: 93*65=6045, Resulting Numbers: [6045] 6045,77 unequal: No Solution Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 93+65=158, Resulting Numbers: [158] 158,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[61, 89], Operations: ['9+52=61', '93-4=89'] Exploring Operation: 61*89=5429, Resulting Numbers: [5429] 5429,77 unequal: No Solution Exploring Operation: 61+89=150, Resulting Numbers: [150] 150,77 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[4, 52, 84], Operations: ['93-9=84'] Exploring Operation: 84-52=32, Resulting Numbers: [4, 32] Generated Node #0,1,0: 77:[4, 32] Operation: 84-52=32 Exploring Operation: 52/4=13, Resulting Numbers: [84, 13] Generated Node #0,1,1: 77:[84, 13] Operation: 52/4=13 Exploring Operation: 4+52=56, Resulting Numbers: [84, 56] Generated Node #0,1,2: 77:[84, 56] Operation: 4+52=56 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[84, 13], Operations: ['93-9=84', '52/4=13'] Exploring Operation: 84*13=1092, Resulting Numbers: [1092] 1092,77 unequal: No Solution Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[4, 32], Operations: ['93-9=84', '84-52=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 77:[84, 56], Operations: ['93-9=84', '4+52=56'] Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 84*56=4704, Resulting Numbers: [4704] 4704,77 unequal: No Solution Exploring Operation: 84+56=140, Resulting Numbers: [140] 140,77 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_3
mult_heuristic
[ 82, 28, 28, 43 ]
82
[ "28-28=0", "43*0=0", "82+0=82" ]
Current State: 82:[82, 28, 28, 43], Operations: [] Exploring Operation: 28-28=0, Resulting Numbers: [82, 43, 0] Generated Node #2: [82, 43, 0] from Operation: 28-28=0 Current State: 82:[82, 43, 0], Operations: ['28-28=0'] Exploring Operation: 43*0=0, Resulting Numbers: [82, 0] Generated Node #3: [82, 0] from Operation: 43*0=0 Current State: 82:[82, 0], Operations: ['28-28=0', '43*0=0'] Exploring Operation: 82+0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[82, 28, 28, 43], Operations: [] Exploring Operation: 28/28=1, Resulting Numbers: [82, 43, 1] Generated Node #0,0: 82:[82, 43, 1] Operation: 28/28=1 Exploring Operation: 28+43=71, Resulting Numbers: [82, 28, 71] Generated Node #0,1: 82:[82, 28, 71] Operation: 28+43=71 Exploring Operation: 28+28=56, Resulting Numbers: [82, 43, 56] Generated Node #0,2: 82:[82, 43, 56] Operation: 28+28=56 Exploring Operation: 28-28=0, Resulting Numbers: [82, 43, 0] Generated Node #0,3: 82:[82, 43, 0] Operation: 28-28=0 Moving to Node #0,0 Current State: 82:[82, 43, 1], Operations: ['28/28=1'] Exploring Operation: 43-1=42, Resulting Numbers: [82, 42] Generated Node #0,0,0: 82:[82, 42] Operation: 43-1=42 Exploring Operation: 43*1=43, Resulting Numbers: [82, 43] Generated Node #0,0,1: 82:[82, 43] Operation: 43*1=43 Exploring Operation: 82/1=82, Resulting Numbers: [43, 82] Generated Node #0,0,2: 82:[43, 82] Operation: 82/1=82 Exploring Operation: 82*1=82, Resulting Numbers: [43, 82] Generated Node #0,0,3: 82:[43, 82] Operation: 82*1=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[82, 42], Operations: ['28/28=1', '43-1=42'] Exploring Operation: 82+42=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 82*42=3444, Resulting Numbers: [3444] 3444,82 unequal: No Solution Exploring Operation: 82-42=40, Resulting Numbers: [40] 40,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[82, 43], Operations: ['28/28=1', '43*1=43'] Exploring Operation: 82+43=125, Resulting Numbers: [125] 125,82 unequal: No Solution Exploring Operation: 82*43=3526, Resulting Numbers: [3526] 3526,82 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[43, 82], Operations: ['28/28=1', '82/1=82'] Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,82 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 82:[43, 82], Operations: ['28/28=1', '82*1=82'] Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,82 unequal: No Solution Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,82 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: 82:[82, 43, 0], Operations: ['28-28=0'] Exploring Operation: 82-0=82, Resulting Numbers: [43, 82] Generated Node #0,3,0: 82:[43, 82] Operation: 82-0=82 Exploring Operation: 43+0=43, Resulting Numbers: [82, 43] Generated Node #0,3,1: 82:[82, 43] Operation: 43+0=43 Exploring Operation: 43*0=0, Resulting Numbers: [82, 0] Generated Node #0,3,2: 82:[82, 0] Operation: 43*0=0 Exploring Operation: 82+0=82, Resulting Numbers: [43, 82] Generated Node #0,3,3: 82:[43, 82] Operation: 82+0=82 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 82:[43, 82], Operations: ['28-28=0', '82-0=82'] Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,82 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 82:[82, 43], Operations: ['28-28=0', '43+0=43'] Exploring Operation: 82+43=125, Resulting Numbers: [125] 125,82 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 82*43=3526, Resulting Numbers: [3526] 3526,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 82:[82, 0], Operations: ['28-28=0', '43*0=0'] Exploring Operation: 82*0=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 82+0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[82, 28, 28, 43], Operations: [] Exploring Operation: 28-28=0, Resulting Numbers: [82, 43, 0] Generated Node #0,3: 82:[82, 43, 0] Operation: 28-28=0 Moving to Node #0,3 Current State: 82:[82, 43, 0], Operations: ['28-28=0'] Exploring Operation: 43*0=0, Resulting Numbers: [82, 0] Generated Node #0,3,2: 82:[82, 0] Operation: 43*0=0 Moving to Node #0,3,2 Current State: 82:[82, 0], Operations: ['28-28=0', '43*0=0'] Exploring Operation: 82+0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
mult_heuristic
[ 8, 50, 33, 42 ]
50
[ "8+33=41", "42-41=1", "50*1=50" ]
Current State: 50:[8, 50, 33, 42], Operations: [] Exploring Operation: 8+33=41, Resulting Numbers: [50, 42, 41] Generated Node #2: [50, 42, 41] from Operation: 8+33=41 Current State: 50:[50, 42, 41], Operations: ['8+33=41'] Exploring Operation: 42-41=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 42-41=1 Current State: 50:[50, 1], Operations: ['8+33=41', '42-41=1'] Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[8, 50, 33, 42], Operations: [] Exploring Operation: 50-42=8, Resulting Numbers: [8, 33, 8] Generated Node #0,0: 50:[8, 33, 8] Operation: 50-42=8 Exploring Operation: 33-8=25, Resulting Numbers: [50, 42, 25] Generated Node #0,1: 50:[50, 42, 25] Operation: 33-8=25 Exploring Operation: 8+33=41, Resulting Numbers: [50, 42, 41] Generated Node #0,2: 50:[50, 42, 41] Operation: 8+33=41 Exploring Operation: 42-33=9, Resulting Numbers: [8, 50, 9] Generated Node #0,3: 50:[8, 50, 9] Operation: 42-33=9 Exploring Operation: 8+42=50, Resulting Numbers: [50, 33, 50] Generated Node #0,4: 50:[50, 33, 50] Operation: 8+42=50 Moving to Node #0,3 Current State: 50:[8, 50, 9], Operations: ['42-33=9'] Exploring Operation: 50-8=42, Resulting Numbers: [9, 42] Generated Node #0,3,0: 50:[9, 42] Operation: 50-8=42 Exploring Operation: 50+9=59, Resulting Numbers: [8, 59] Generated Node #0,3,1: 50:[8, 59] Operation: 50+9=59 Exploring Operation: 8+50=58, Resulting Numbers: [9, 58] Generated Node #0,3,2: 50:[9, 58] Operation: 8+50=58 Exploring Operation: 9-8=1, Resulting Numbers: [50, 1] Generated Node #0,3,3: 50:[50, 1] Operation: 9-8=1 Exploring Operation: 8+9=17, Resulting Numbers: [50, 17] Generated Node #0,3,4: 50:[50, 17] Operation: 8+9=17 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[50, 1], Operations: ['42-33=9', '9-8=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[8, 50, 33, 42], Operations: [] Exploring Operation: 42-33=9, Resulting Numbers: [8, 50, 9] Generated Node #0,3: 50:[8, 50, 9] Operation: 42-33=9 Moving to Node #0,3 Current State: 50:[8, 50, 9], Operations: ['42-33=9'] Exploring Operation: 9-8=1, Resulting Numbers: [50, 1] Generated Node #0,3,3: 50:[50, 1] Operation: 9-8=1 Moving to Node #0,3,3 Current State: 50:[50, 1], Operations: ['42-33=9', '9-8=1'] Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 39, 99, 50, 30 ]
80
[ "99-39=60", "50-30=20", "60+20=80" ]
Current State: 80:[39, 99, 50, 30], Operations: [] Exploring Operation: 99-39=60, Resulting Numbers: [50, 30, 60] Generated Node #2: [50, 30, 60] from Operation: 99-39=60 Current State: 80:[50, 30, 60], Operations: ['99-39=60'] Exploring Operation: 50-30=20, Resulting Numbers: [60, 20] Generated Node #3: [60, 20] from Operation: 50-30=20 Current State: 80:[60, 20], Operations: ['99-39=60', '50-30=20'] Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[39, 99, 50, 30], Operations: [] Exploring Operation: 99-30=69, Resulting Numbers: [39, 50, 69] Generated Node #0,0: 80:[39, 50, 69] Operation: 99-30=69 Exploring Operation: 50-30=20, Resulting Numbers: [39, 99, 20] Generated Node #0,1: 80:[39, 99, 20] Operation: 50-30=20 Exploring Operation: 99-50=49, Resulting Numbers: [39, 30, 49] Generated Node #0,2: 80:[39, 30, 49] Operation: 99-50=49 Exploring Operation: 50+30=80, Resulting Numbers: [39, 99, 80] Generated Node #0,3: 80:[39, 99, 80] Operation: 50+30=80 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[39, 99, 20], Operations: ['50-30=20'] Exploring Operation: 99-20=79, Resulting Numbers: [39, 79] Generated Node #0,1,0: 80:[39, 79] Operation: 99-20=79 Exploring Operation: 39-20=19, Resulting Numbers: [99, 19] Generated Node #0,1,1: 80:[99, 19] Operation: 39-20=19 Exploring Operation: 39+20=59, Resulting Numbers: [99, 59] Generated Node #0,1,2: 80:[99, 59] Operation: 39+20=59 Exploring Operation: 99-39=60, Resulting Numbers: [20, 60] Generated Node #0,1,3: 80:[20, 60] Operation: 99-39=60 Moving to Node #0,1,0 Current State: 80:[39, 79], Operations: ['50-30=20', '99-20=79'] Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 39+79=118, Resulting Numbers: [118] 118,80 unequal: No Solution Exploring Operation: 39*79=3081, Resulting Numbers: [3081] 3081,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[20, 60], Operations: ['50-30=20', '99-39=60'] Exploring Operation: 20+60=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[39, 99, 50, 30], Operations: [] Exploring Operation: 50-30=20, Resulting Numbers: [39, 99, 20] Generated Node #0,1: 80:[39, 99, 20] Operation: 50-30=20 Moving to Node #0,1 Current State: 80:[39, 99, 20], Operations: ['50-30=20'] Exploring Operation: 99-39=60, Resulting Numbers: [20, 60] Generated Node #0,1,3: 80:[20, 60] Operation: 99-39=60 Moving to Node #0,1,3 Current State: 80:[20, 60], Operations: ['50-30=20', '99-39=60'] Exploring Operation: 20+60=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 19, 49, 5, 5 ]
71
[ "19+5=24", "5*24=120", "120-49=71" ]
Current State: 71:[19, 49, 5, 5], Operations: [] Exploring Operation: 19+5=24, Resulting Numbers: [49, 24] Generated Node #2: [49, 24] from Operation: 19+5=24 Current State: 71:[49, 24], Operations: ['19+5=24'] Exploring Operation: 5*24=120, Resulting Numbers: [49, 120] Generated Node #3: [49, 120] from Operation: 5*24=120 Current State: 71:[49, 120], Operations: ['19+5=24', '5*24=120'] Exploring Operation: 120-49=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[19, 49, 5, 5], Operations: [] Exploring Operation: 19*5=95, Resulting Numbers: [49, 5, 95] Generated Node #0,0: 71:[49, 5, 95] Operation: 19*5=95 Exploring Operation: 19*5=95, Resulting Numbers: [49, 5, 95] Generated Node #0,1: 71:[49, 5, 95] Operation: 19*5=95 Exploring Operation: 5*5=25, Resulting Numbers: [19, 49, 25] Generated Node #0,2: 71:[19, 49, 25] Operation: 5*5=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[49, 5, 95], Operations: ['19*5=95'] Exploring Operation: 49-5=44, Resulting Numbers: [95, 44] Generated Node #0,0,0: 71:[95, 44] Operation: 49-5=44 Exploring Operation: 49+5=54, Resulting Numbers: [95, 54] Generated Node #0,0,1: 71:[95, 54] Operation: 49+5=54 Exploring Operation: 95-5=90, Resulting Numbers: [49, 90] Generated Node #0,0,2: 71:[49, 90] Operation: 95-5=90 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[95, 54], Operations: ['19*5=95', '49+5=54'] Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 95*54=5130, Resulting Numbers: [5130] 5130,71 unequal: No Solution Exploring Operation: 95+54=149, Resulting Numbers: [149] 149,71 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 #0,0,2 Current State: 71:[49, 90], Operations: ['19*5=95', '95-5=90'] Exploring Operation: 49+90=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 49*90=4410, Resulting Numbers: [4410] 4410,71 unequal: No Solution Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,71 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 #0,0,0 Current State: 71:[95, 44], Operations: ['19*5=95', '49-5=44'] Exploring Operation: 95+44=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 95*44=4180, Resulting Numbers: [4180] 4180,71 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,71 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 #0,1 Current State: 71:[49, 5, 95], Operations: ['19*5=95'] Exploring Operation: 95-5=90, Resulting Numbers: [49, 90] Generated Node #0,1,0: 71:[49, 90] Operation: 95-5=90 Exploring Operation: 49+5=54, Resulting Numbers: [95, 54] Generated Node #0,1,1: 71:[95, 54] Operation: 49+5=54 Exploring Operation: 49-5=44, Resulting Numbers: [95, 44] Generated Node #0,1,2: 71:[95, 44] Operation: 49-5=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[49, 90], Operations: ['19*5=95', '95-5=90'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 49+90=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 49*90=4410, Resulting Numbers: [4410] 4410,71 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:[95, 54], Operations: ['19*5=95', '49+5=54'] Exploring Operation: 95+54=149, Resulting Numbers: [149] 149,71 unequal: No Solution Exploring Operation: 95*54=5130, Resulting Numbers: [5130] 5130,71 unequal: No Solution Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,71 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 #0,1,2 Current State: 71:[95, 44], Operations: ['19*5=95', '49-5=44'] Exploring Operation: 95+44=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,71 unequal: No Solution Exploring Operation: 95*44=4180, Resulting Numbers: [4180] 4180,71 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 #0,2 Current State: 71:[19, 49, 25], Operations: ['5*5=25'] Exploring Operation: 19+25=44, Resulting Numbers: [49, 44] Generated Node #0,2,0: 71:[49, 44] Operation: 19+25=44 Exploring Operation: 19+49=68, Resulting Numbers: [25, 68] Generated Node #0,2,1: 71:[25, 68] Operation: 19+49=68 Exploring Operation: 49+25=74, Resulting Numbers: [19, 74] Generated Node #0,2,2: 71:[19, 74] Operation: 49+25=74 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[49, 44], Operations: ['5*5=25', '19+25=44'] Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 49*44=2156, Resulting Numbers: [2156] 2156,71 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:[25, 68], Operations: ['5*5=25', '19+49=68'] Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,71 unequal: No Solution Exploring Operation: 25*68=1700, Resulting Numbers: [1700] 1700,71 unequal: No Solution Exploring Operation: 25+68=93, Resulting Numbers: [93] 93,71 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 #0,2,2 Current State: 71:[19, 74], Operations: ['5*5=25', '49+25=74'] Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 19*74=1406, Resulting Numbers: [1406] 1406,71 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
mult_heuristic
[ 29, 24, 6, 86 ]
61
[ "86-29=57", "24/6=4", "57+4=61" ]
Current State: 61:[29, 24, 6, 86], Operations: [] Exploring Operation: 86-29=57, Resulting Numbers: [24, 6, 57] Generated Node #2: [24, 6, 57] from Operation: 86-29=57 Current State: 61:[24, 6, 57], Operations: ['86-29=57'] Exploring Operation: 24/6=4, Resulting Numbers: [57, 4] Generated Node #3: [57, 4] from Operation: 24/6=4 Current State: 61:[57, 4], Operations: ['86-29=57', '24/6=4'] Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[29, 24, 6, 86], Operations: [] Exploring Operation: 24+6=30, Resulting Numbers: [29, 86, 30] Generated Node #0,0: 61:[29, 86, 30] Operation: 24+6=30 Exploring Operation: 29+6=35, Resulting Numbers: [24, 86, 35] Generated Node #0,1: 61:[24, 86, 35] Operation: 29+6=35 Exploring Operation: 29+24=53, Resulting Numbers: [6, 86, 53] Generated Node #0,2: 61:[6, 86, 53] Operation: 29+24=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[29, 86, 30], Operations: ['24+6=30'] Exploring Operation: 86-30=56, Resulting Numbers: [29, 56] Generated Node #0,0,0: 61:[29, 56] Operation: 86-30=56 Exploring Operation: 29+30=59, Resulting Numbers: [86, 59] Generated Node #0,0,1: 61:[86, 59] Operation: 29+30=59 Exploring Operation: 86-29=57, Resulting Numbers: [30, 57] Generated Node #0,0,2: 61:[30, 57] Operation: 86-29=57 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[86, 59], Operations: ['24+6=30', '29+30=59'] Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,61 unequal: No Solution Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,61 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 61:[30, 57], Operations: ['24+6=30', '86-29=57'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,61 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[29, 56], Operations: ['24+6=30', '86-30=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,61 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[24, 86, 35], Operations: ['29+6=35'] Exploring Operation: 86-35=51, Resulting Numbers: [24, 51] Generated Node #0,1,0: 61:[24, 51] Operation: 86-35=51 Exploring Operation: 24+35=59, Resulting Numbers: [86, 59] Generated Node #0,1,1: 61:[86, 59] Operation: 24+35=59 Exploring Operation: 86-24=62, Resulting Numbers: [35, 62] Generated Node #0,1,2: 61:[35, 62] Operation: 86-24=62 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[86, 59], Operations: ['29+6=35', '24+35=59'] Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,61 unequal: No Solution Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,61 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[35, 62], Operations: ['29+6=35', '86-24=62'] Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,61 unequal: No Solution Exploring Operation: 35*62=2170, Resulting Numbers: [2170] 2170,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[24, 51], Operations: ['29+6=35', '86-35=51'] Exploring Operation: 24+51=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 24*51=1224, Resulting Numbers: [1224] 1224,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[6, 86, 53], Operations: ['29+24=53'] Exploring Operation: 86-6=80, Resulting Numbers: [53, 80] Generated Node #0,2,0: 61:[53, 80] Operation: 86-6=80 Exploring Operation: 6+53=59, Resulting Numbers: [86, 59] Generated Node #0,2,1: 61:[86, 59] Operation: 6+53=59 Exploring Operation: 6+86=92, Resulting Numbers: [53, 92] Generated Node #0,2,2: 61:[53, 92] Operation: 6+86=92 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[53, 80], Operations: ['29+24=53', '86-6=80'] Exploring Operation: 53+80=133, Resulting Numbers: [133] 133,61 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 53*80=4240, Resulting Numbers: [4240] 4240,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 61:[86, 59], Operations: ['29+24=53', '6+53=59'] Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,61 unequal: No Solution Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,61 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[53, 92], Operations: ['29+24=53', '6+86=92'] Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,61 unequal: No Solution Exploring Operation: 53*92=4876, Resulting Numbers: [4876] 4876,61 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 1, 76, 66, 6 ]
61
[ "76-66=10", "6*10=60", "1+60=61" ]
Current State: 61:[1, 76, 66, 6], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [1, 6, 10] Generated Node #2: [1, 6, 10] from Operation: 76-66=10 Current State: 61:[1, 6, 10], Operations: ['76-66=10'] Exploring Operation: 6*10=60, Resulting Numbers: [1, 60] Generated Node #3: [1, 60] from Operation: 6*10=60 Current State: 61:[1, 60], Operations: ['76-66=10', '6*10=60'] Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[1, 76, 66, 6], Operations: [] Exploring Operation: 76-1=75, Resulting Numbers: [66, 6, 75] Generated Node #0,0: 61:[66, 6, 75] Operation: 76-1=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[66, 6, 75], Operations: ['76-1=75'] Exploring Operation: 75-6=69, Resulting Numbers: [66, 69] Generated Node #0,0,0: 61:[66, 69] Operation: 75-6=69 Moving to Node #0,0,0 Current State: 61:[66, 69], Operations: ['76-1=75', '75-6=69'] Exploring Operation: 69-66=3, Resulting Numbers: [3] 3,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 60, 2, 57, 56 ]
84
[ "60-57=3", "56/2=28", "3*28=84" ]
Current State: 84:[60, 2, 57, 56], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [2, 56, 3] Generated Node #2: [2, 56, 3] from Operation: 60-57=3 Current State: 84:[2, 56, 3], Operations: ['60-57=3'] Exploring Operation: 56/2=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 56/2=28 Current State: 84:[3, 28], Operations: ['60-57=3', '56/2=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[60, 2, 57, 56], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [2, 57, 4] Generated Node #0,0: 84:[2, 57, 4] Operation: 60-56=4 Exploring Operation: 60-57=3, Resulting Numbers: [2, 56, 3] Generated Node #0,1: 84:[2, 56, 3] Operation: 60-57=3 Moving to Node #0,1 Current State: 84:[2, 56, 3], Operations: ['60-57=3'] Exploring Operation: 56-3=53, Resulting Numbers: [2, 53] Generated Node #0,1,0: 84:[2, 53] Operation: 56-3=53 Exploring Operation: 56/2=28, Resulting Numbers: [3, 28] Generated Node #0,1,1: 84:[3, 28] Operation: 56/2=28 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[3, 28], Operations: ['60-57=3', '56/2=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[60, 2, 57, 56], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [2, 56, 3] Generated Node #0,1: 84:[2, 56, 3] Operation: 60-57=3 Moving to Node #0,1 Current State: 84:[2, 56, 3], Operations: ['60-57=3'] Exploring Operation: 56/2=28, Resulting Numbers: [3, 28] Generated Node #0,1,1: 84:[3, 28] Operation: 56/2=28 Moving to Node #0,1,1 Current State: 84:[3, 28], Operations: ['60-57=3', '56/2=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 62, 49, 70, 44 ]
48
[ "49-44=5", "70/5=14", "62-14=48" ]
Current State: 48:[62, 49, 70, 44], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [62, 70, 5] Generated Node #2: [62, 70, 5] from Operation: 49-44=5 Current State: 48:[62, 70, 5], Operations: ['49-44=5'] Exploring Operation: 70/5=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 70/5=14 Current State: 48:[62, 14], Operations: ['49-44=5', '70/5=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[62, 49, 70, 44], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [62, 44, 21] Generated Node #0,0: 48:[62, 44, 21] Operation: 70-49=21 Exploring Operation: 70-62=8, Resulting Numbers: [49, 44, 8] Generated Node #0,1: 48:[49, 44, 8] Operation: 70-62=8 Exploring Operation: 62-44=18, Resulting Numbers: [49, 70, 18] Generated Node #0,2: 48:[49, 70, 18] Operation: 62-44=18 Exploring Operation: 62-49=13, Resulting Numbers: [70, 44, 13] Generated Node #0,3: 48:[70, 44, 13] Operation: 62-49=13 Exploring Operation: 70-44=26, Resulting Numbers: [62, 49, 26] Generated Node #0,4: 48:[62, 49, 26] Operation: 70-44=26 Moving to Node #0,1 Current State: 48:[49, 44, 8], Operations: ['70-62=8'] Exploring Operation: 44-8=36, Resulting Numbers: [49, 36] Generated Node #0,1,0: 48:[49, 36] Operation: 44-8=36 Exploring Operation: 44+8=52, Resulting Numbers: [49, 52] Generated Node #0,1,1: 48:[49, 52] Operation: 44+8=52 Exploring Operation: 49+8=57, Resulting Numbers: [44, 57] Generated Node #0,1,2: 48:[44, 57] Operation: 49+8=57 Exploring Operation: 49-8=41, Resulting Numbers: [44, 41] Generated Node #0,1,3: 48:[44, 41] Operation: 49-8=41 Exploring Operation: 49-44=5, Resulting Numbers: [8, 5] Generated Node #0,1,4: 48:[8, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[8, 5], Operations: ['70-62=8', '49-44=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,48 unequal: No Solution No 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: 48:[49, 52], Operations: ['70-62=8', '44+8=52'] Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,48 unequal: No Solution Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,48 unequal: No Solution No 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: 48:[44, 41], Operations: ['70-62=8', '49-8=41'] Exploring Operation: 44*41=1804, Resulting Numbers: [1804] 1804,48 unequal: No Solution Exploring Operation: 44+41=85, Resulting Numbers: [85] 85,48 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,48 unequal: No Solution No 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: 48:[49, 36], Operations: ['70-62=8', '44-8=36'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,48 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,48 unequal: No Solution No 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: 48:[44, 57], Operations: ['70-62=8', '49+8=57'] Exploring Operation: 44+57=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 44*57=2508, Resulting Numbers: [2508] 2508,48 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 48:[62, 49, 26], Operations: ['70-44=26'] Exploring Operation: 62-26=36, Resulting Numbers: [49, 36] Generated Node #0,4,0: 48:[49, 36] Operation: 62-26=36 Exploring Operation: 62-49=13, Resulting Numbers: [26, 13] Generated Node #0,4,1: 48:[26, 13] Operation: 62-49=13 Exploring Operation: 49-26=23, Resulting Numbers: [62, 23] Generated Node #0,4,2: 48:[62, 23] Operation: 49-26=23 Exploring Operation: 62+26=88, Resulting Numbers: [49, 88] Generated Node #0,4,3: 48:[49, 88] Operation: 62+26=88 Exploring Operation: 49+26=75, Resulting Numbers: [62, 75] Generated Node #0,4,4: 48:[62, 75] Operation: 49+26=75 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 48:[26, 13], Operations: ['70-44=26', '62-49=13'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,48 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,48 unequal: No Solution No 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: 48:[49, 36], Operations: ['70-44=26', '62-26=36'] Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,48 unequal: No Solution Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,48 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,48 unequal: No Solution No 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: 48:[62, 23], Operations: ['70-44=26', '49-26=23'] Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,48 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,48 unequal: No Solution No 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: 48:[49, 88], Operations: ['70-44=26', '62+26=88'] Exploring Operation: 49*88=4312, Resulting Numbers: [4312] 4312,48 unequal: No Solution Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 49+88=137, Resulting Numbers: [137] 137,48 unequal: No Solution No 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: 48:[62, 75], Operations: ['70-44=26', '49+26=75'] Exploring Operation: 62+75=137, Resulting Numbers: [137] 137,48 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 62*75=4650, Resulting Numbers: [4650] 4650,48 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: 48:[62, 44, 21], Operations: ['70-49=21'] Exploring Operation: 62-44=18, Resulting Numbers: [21, 18] Generated Node #0,0,0: 48:[21, 18] Operation: 62-44=18 Exploring Operation: 62+21=83, Resulting Numbers: [44, 83] Generated Node #0,0,1: 48:[44, 83] Operation: 62+21=83 Exploring Operation: 44+21=65, Resulting Numbers: [62, 65] Generated Node #0,0,2: 48:[62, 65] Operation: 44+21=65 Exploring Operation: 62-21=41, Resulting Numbers: [44, 41] Generated Node #0,0,3: 48:[44, 41] Operation: 62-21=41 Exploring Operation: 44-21=23, Resulting Numbers: [62, 23] Generated Node #0,0,4: 48:[62, 23] Operation: 44-21=23 Moving to Node #0,2 Current State: 48:[49, 70, 18], Operations: ['62-44=18'] Exploring Operation: 70-18=52, Resulting Numbers: [49, 52] Generated Node #0,2,0: 48:[49, 52] Operation: 70-18=52 Exploring Operation: 70+18=88, Resulting Numbers: [49, 88] Generated Node #0,2,1: 48:[49, 88] Operation: 70+18=88 Exploring Operation: 49+18=67, Resulting Numbers: [70, 67] Generated Node #0,2,2: 48:[70, 67] Operation: 49+18=67 Exploring Operation: 49-18=31, Resulting Numbers: [70, 31] Generated Node #0,2,3: 48:[70, 31] Operation: 49-18=31 Exploring Operation: 70-49=21, Resulting Numbers: [18, 21] Generated Node #0,2,4: 48:[18, 21] Operation: 70-49=21 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[49, 52], Operations: ['62-44=18', '70-18=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,48 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,48 unequal: No Solution No 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: 48:[18, 21], Operations: ['62-44=18', '70-49=21'] Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,48 unequal: No Solution No 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: 48:[70, 31], Operations: ['62-44=18', '49-18=31'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,48 unequal: No Solution No 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: 48:[49, 88], Operations: ['62-44=18', '70+18=88'] Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 49*88=4312, Resulting Numbers: [4312] 4312,48 unequal: No Solution Exploring Operation: 49+88=137, Resulting Numbers: [137] 137,48 unequal: No Solution No 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: 48:[70, 67], Operations: ['62-44=18', '49+18=67'] Exploring Operation: 70+67=137, Resulting Numbers: [137] 137,48 unequal: No Solution Exploring Operation: 70*67=4690, Resulting Numbers: [4690] 4690,48 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,48 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: 48:[70, 44, 13], Operations: ['62-49=13'] Exploring Operation: 44+13=57, Resulting Numbers: [70, 57] Generated Node #0,3,0: 48:[70, 57] Operation: 44+13=57 Exploring Operation: 70-13=57, Resulting Numbers: [44, 57] Generated Node #0,3,1: 48:[44, 57] Operation: 70-13=57 Exploring Operation: 70+13=83, Resulting Numbers: [44, 83] Generated Node #0,3,2: 48:[44, 83] Operation: 70+13=83 Exploring Operation: 44-13=31, Resulting Numbers: [70, 31] Generated Node #0,3,3: 48:[70, 31] Operation: 44-13=31 Exploring Operation: 70-44=26, Resulting Numbers: [13, 26] Generated Node #0,3,4: 48:[13, 26] Operation: 70-44=26 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 48:[13, 26], Operations: ['62-49=13', '70-44=26'] Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,48 unequal: No Solution No 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: 48:[44, 57], Operations: ['62-49=13', '70-13=57'] Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 44*57=2508, Resulting Numbers: [2508] 2508,48 unequal: No Solution Exploring Operation: 44+57=101, Resulting Numbers: [101] 101,48 unequal: No Solution No 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: 48:[70, 31], Operations: ['62-49=13', '44-13=31'] Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,48 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,48 unequal: No Solution No 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: 48:[70, 57], Operations: ['62-49=13', '44+13=57'] Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 70+57=127, Resulting Numbers: [127] 127,48 unequal: No Solution Exploring Operation: 70*57=3990, Resulting Numbers: [3990] 3990,48 unequal: No Solution No 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: 48:[44, 83], Operations: ['62-49=13', '70+13=83'] Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 44+83=127, Resulting Numbers: [127] 127,48 unequal: No Solution Exploring Operation: 44*83=3652, Resulting Numbers: [3652] 3652,48 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: 48:[21, 18], Operations: ['70-49=21', '62-44=18'] Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,48 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[44, 41], Operations: ['70-49=21', '62-21=41'] Exploring Operation: 44+41=85, Resulting Numbers: [85] 85,48 unequal: No Solution Exploring Operation: 44*41=1804, Resulting Numbers: [1804] 1804,48 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,0,4 Current State: 48:[62, 23], Operations: ['70-49=21', '44-21=23'] Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,48 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[62, 65], Operations: ['70-49=21', '44+21=65'] Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 62*65=4030, Resulting Numbers: [4030] 4030,48 unequal: No Solution Exploring Operation: 62+65=127, Resulting Numbers: [127] 127,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[44, 83], Operations: ['70-49=21', '62+21=83'] Exploring Operation: 44+83=127, Resulting Numbers: [127] 127,48 unequal: No Solution Exploring Operation: 44*83=3652, Resulting Numbers: [3652] 3652,48 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,48 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 43, 93, 47, 46 ]
78
[ "46-43=3", "93/3=31", "47+31=78" ]
Current State: 78:[43, 93, 47, 46], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [93, 47, 3] Generated Node #2: [93, 47, 3] from Operation: 46-43=3 Current State: 78:[93, 47, 3], Operations: ['46-43=3'] Exploring Operation: 93/3=31, Resulting Numbers: [47, 31] Generated Node #3: [47, 31] from Operation: 93/3=31 Current State: 78:[47, 31], Operations: ['46-43=3', '93/3=31'] Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[43, 93, 47, 46], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [43, 46, 46] Generated Node #0,0: 78:[43, 46, 46] Operation: 93-47=46 Moving to Node #0,0 Current State: 78:[43, 46, 46], Operations: ['93-47=46'] Exploring Operation: 46/46=1, Resulting Numbers: [43, 1] Generated Node #0,0,0: 78:[43, 1] Operation: 46/46=1 Moving to Node #0,0,0 Current State: 78:[43, 1], Operations: ['93-47=46', '46/46=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,78 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 91, 93, 27, 66 ]
12
[ "93-91=2", "27*2=54", "66-54=12" ]
Current State: 12:[91, 93, 27, 66], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [27, 66, 2] Generated Node #2: [27, 66, 2] from Operation: 93-91=2 Current State: 12:[27, 66, 2], Operations: ['93-91=2'] Exploring Operation: 27*2=54, Resulting Numbers: [66, 54] Generated Node #3: [66, 54] from Operation: 27*2=54 Current State: 12:[66, 54], Operations: ['93-91=2', '27*2=54'] Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[91, 93, 27, 66], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [27, 66, 2] Generated Node #0,0: 12:[27, 66, 2] Operation: 93-91=2 Moving to Node #0,0 Current State: 12:[27, 66, 2], Operations: ['93-91=2'] Exploring Operation: 66-27=39, Resulting Numbers: [2, 39] Generated Node #0,0,0: 12:[2, 39] Operation: 66-27=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[2, 39], Operations: ['93-91=2', '66-27=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,12 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
[ 6, 68, 42, 82 ]
74
[ "68-42=26", "6*26=156", "156-82=74" ]
Current State: 74:[6, 68, 42, 82], Operations: [] Exploring Operation: 68-42=26, Resulting Numbers: [6, 82, 26] Generated Node #2: [6, 82, 26] from Operation: 68-42=26 Current State: 74:[6, 82, 26], Operations: ['68-42=26'] Exploring Operation: 6*26=156, Resulting Numbers: [82, 156] Generated Node #3: [82, 156] from Operation: 6*26=156 Current State: 74:[82, 156], Operations: ['68-42=26', '6*26=156'] Exploring Operation: 156-82=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[6, 68, 42, 82], Operations: [] Exploring Operation: 6+68=74, Resulting Numbers: [42, 82, 74] Generated Node #0,0: 74:[42, 82, 74] Operation: 6+68=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[42, 82, 74], Operations: ['6+68=74'] Exploring Operation: 82-42=40, Resulting Numbers: [74, 40] Generated Node #0,0,0: 74:[74, 40] Operation: 82-42=40 Moving to Node #0,0,0 Current State: 74:[74, 40], Operations: ['6+68=74', '82-42=40'] Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,74 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
[ 7, 23, 37, 57 ]
59
[ "37-23=14", "14/7=2", "57+2=59" ]
Current State: 59:[7, 23, 37, 57], Operations: [] Exploring Operation: 37-23=14, Resulting Numbers: [7, 57, 14] Generated Node #2: [7, 57, 14] from Operation: 37-23=14 Current State: 59:[7, 57, 14], Operations: ['37-23=14'] Exploring Operation: 14/7=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 14/7=2 Current State: 59:[57, 2], Operations: ['37-23=14', '14/7=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[7, 23, 37, 57], Operations: [] Exploring Operation: 7+37=44, Resulting Numbers: [23, 57, 44] Generated Node #0,0: 59:[23, 57, 44] Operation: 7+37=44 Exploring Operation: 7+23=30, Resulting Numbers: [37, 57, 30] Generated Node #0,1: 59:[37, 57, 30] Operation: 7+23=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[23, 57, 44], Operations: ['7+37=44'] Exploring Operation: 23+57=80, Resulting Numbers: [44, 80] Generated Node #0,0,0: 59:[44, 80] Operation: 23+57=80 Exploring Operation: 23+44=67, Resulting Numbers: [57, 67] Generated Node #0,0,1: 59:[57, 67] Operation: 23+44=67 Moving to Node #0,0,1 Current State: 59:[57, 67], Operations: ['7+37=44', '23+44=67'] Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 57+67=124, Resulting Numbers: [124] 124,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[44, 80], Operations: ['7+37=44', '23+57=80'] Exploring Operation: 44+80=124, Resulting Numbers: [124] 124,59 unequal: No Solution Exploring Operation: 80-44=36, Resulting Numbers: [36] 36,59 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 #0,1 Current State: 59:[37, 57, 30], Operations: ['7+23=30'] Exploring Operation: 37+30=67, Resulting Numbers: [57, 67] Generated Node #0,1,0: 59:[57, 67] Operation: 37+30=67 Exploring Operation: 57+30=87, Resulting Numbers: [37, 87] Generated Node #0,1,1: 59:[37, 87] Operation: 57+30=87 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[57, 67], Operations: ['7+23=30', '37+30=67'] Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 57+67=124, Resulting Numbers: [124] 124,59 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 #0,1,1 Current State: 59:[37, 87], Operations: ['7+23=30', '57+30=87'] Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,59 unequal: No Solution Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,59 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 No solution found.
0
hs_2
mult_heuristic
[ 3, 35, 29, 40 ]
27
[ "3+35=38", "40-29=11", "38-11=27" ]
Current State: 27:[3, 35, 29, 40], Operations: [] Exploring Operation: 3+35=38, Resulting Numbers: [29, 40, 38] Generated Node #2: [29, 40, 38] from Operation: 3+35=38 Current State: 27:[29, 40, 38], Operations: ['3+35=38'] Exploring Operation: 40-29=11, Resulting Numbers: [38, 11] Generated Node #3: [38, 11] from Operation: 40-29=11 Current State: 27:[38, 11], Operations: ['3+35=38', '40-29=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[3, 35, 29, 40], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [3, 35, 11] Generated Node #0,0: 27:[3, 35, 11] Operation: 40-29=11 Exploring Operation: 35-29=6, Resulting Numbers: [3, 40, 6] Generated Node #0,1: 27:[3, 40, 6] Operation: 35-29=6 Exploring Operation: 40-35=5, Resulting Numbers: [3, 29, 5] Generated Node #0,2: 27:[3, 29, 5] Operation: 40-35=5 Exploring Operation: 35-3=32, Resulting Numbers: [29, 40, 32] Generated Node #0,3: 27:[29, 40, 32] Operation: 35-3=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[3, 29, 5], Operations: ['40-35=5'] Exploring Operation: 5-3=2, Resulting Numbers: [29, 2] Generated Node #0,2,0: 27:[29, 2] Operation: 5-3=2 Exploring Operation: 29-3=26, Resulting Numbers: [5, 26] Generated Node #0,2,1: 27:[5, 26] Operation: 29-3=26 Exploring Operation: 3+5=8, Resulting Numbers: [29, 8] Generated Node #0,2,2: 27:[29, 8] Operation: 3+5=8 Exploring Operation: 29-5=24, Resulting Numbers: [3, 24] Generated Node #0,2,3: 27:[3, 24] Operation: 29-5=24 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[29, 2], Operations: ['40-35=5', '5-3=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[3, 35, 29, 40], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [3, 29, 5] Generated Node #0,2: 27:[3, 29, 5] Operation: 40-35=5 Moving to Node #0,2 Current State: 27:[3, 29, 5], Operations: ['40-35=5'] Exploring Operation: 5-3=2, Resulting Numbers: [29, 2] Generated Node #0,2,0: 27:[29, 2] Operation: 5-3=2 Moving to Node #0,2,0 Current State: 27:[29, 2], Operations: ['40-35=5', '5-3=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 69, 10, 23, 48 ]
55
[ "69/23=3", "10+48=58", "58-3=55" ]
Current State: 55:[69, 10, 23, 48], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [10, 48, 3] Generated Node #2: [10, 48, 3] from Operation: 69/23=3 Current State: 55:[10, 48, 3], Operations: ['69/23=3'] Exploring Operation: 10+48=58, Resulting Numbers: [3, 58] Generated Node #3: [3, 58] from Operation: 10+48=58 Current State: 55:[3, 58], Operations: ['69/23=3', '10+48=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[69, 10, 23, 48], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [10, 48, 3] Generated Node #0,0: 55:[10, 48, 3] Operation: 69/23=3 Exploring Operation: 69-48=21, Resulting Numbers: [10, 23, 21] Generated Node #0,1: 55:[10, 23, 21] Operation: 69-48=21 Exploring Operation: 69-10=59, Resulting Numbers: [23, 48, 59] Generated Node #0,2: 55:[23, 48, 59] Operation: 69-10=59 Exploring Operation: 69-23=46, Resulting Numbers: [10, 48, 46] Generated Node #0,3: 55:[10, 48, 46] Operation: 69-23=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[10, 48, 3], Operations: ['69/23=3'] Exploring Operation: 48+3=51, Resulting Numbers: [10, 51] Generated Node #0,0,0: 55:[10, 51] Operation: 48+3=51 Exploring Operation: 10+3=13, Resulting Numbers: [48, 13] Generated Node #0,0,1: 55:[48, 13] Operation: 10+3=13 Exploring Operation: 48/3=16, Resulting Numbers: [10, 16] Generated Node #0,0,2: 55:[10, 16] Operation: 48/3=16 Exploring Operation: 10+48=58, Resulting Numbers: [3, 58] Generated Node #0,0,3: 55:[3, 58] Operation: 10+48=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[10, 51], Operations: ['69/23=3', '48+3=51'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,55 unequal: No Solution Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,55 unequal: No Solution No 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: 55:[3, 58], Operations: ['69/23=3', '10+48=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,55 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[69, 10, 23, 48], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [10, 48, 3] Generated Node #0,0: 55:[10, 48, 3] Operation: 69/23=3 Moving to Node #0,0 Current State: 55:[10, 48, 3], Operations: ['69/23=3'] Exploring Operation: 10+48=58, Resulting Numbers: [3, 58] Generated Node #0,0,3: 55:[3, 58] Operation: 10+48=58 Moving to Node #0,0,3 Current State: 55:[3, 58], Operations: ['69/23=3', '10+48=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 19, 14, 83, 25 ]
25
[ "19+14=33", "83-25=58", "58-33=25" ]
Current State: 25:[19, 14, 83, 25], Operations: [] Exploring Operation: 19+14=33, Resulting Numbers: [83, 25, 33] Generated Node #2: [83, 25, 33] from Operation: 19+14=33 Current State: 25:[83, 25, 33], Operations: ['19+14=33'] Exploring Operation: 83-25=58, Resulting Numbers: [33, 58] Generated Node #3: [33, 58] from Operation: 83-25=58 Current State: 25:[33, 58], Operations: ['19+14=33', '83-25=58'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[19, 14, 83, 25], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [14, 25, 64] Generated Node #0,0: 25:[14, 25, 64] Operation: 83-19=64 Moving to Node #0,0 Current State: 25:[14, 25, 64], Operations: ['83-19=64'] Exploring Operation: 64-25=39, Resulting Numbers: [14, 39] Generated Node #0,0,0: 25:[14, 39] Operation: 64-25=39 Moving to Node #0,0,0 Current State: 25:[14, 39], Operations: ['83-19=64', '64-25=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[19, 14, 83, 25], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [14, 25, 64] Generated Node #0,0: 25:[14, 25, 64] Operation: 83-19=64 Moving to Node #0,0 Current State: 25:[14, 25, 64], Operations: ['83-19=64'] Exploring Operation: 64-25=39, Resulting Numbers: [14, 39] Generated Node #0,0,0: 25:[14, 39] Operation: 64-25=39 Moving to Node #0,0,0 Current State: 25:[14, 39], Operations: ['83-19=64', '64-25=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 8, 30, 2, 83 ]
94
[ "30-8=22", "22/2=11", "83+11=94" ]
Current State: 94:[8, 30, 2, 83], Operations: [] Exploring Operation: 30-8=22, Resulting Numbers: [2, 83, 22] Generated Node #2: [2, 83, 22] from Operation: 30-8=22 Current State: 94:[2, 83, 22], Operations: ['30-8=22'] Exploring Operation: 22/2=11, Resulting Numbers: [83, 11] Generated Node #3: [83, 11] from Operation: 22/2=11 Current State: 94:[83, 11], Operations: ['30-8=22', '22/2=11'] Exploring Operation: 83+11=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[8, 30, 2, 83], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [8, 2, 53] Generated Node #0,0: 94:[8, 2, 53] Operation: 83-30=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[8, 2, 53], Operations: ['83-30=53'] Exploring Operation: 53-8=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 94:[2, 45] Operation: 53-8=45 Moving to Node #0,0,0 Current State: 94:[2, 45], Operations: ['83-30=53', '53-8=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 23, 46, 41, 83 ]
84
[ "46/23=2", "83-41=42", "2*42=84" ]
Current State: 84:[23, 46, 41, 83], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [41, 83, 2] Generated Node #2: [41, 83, 2] from Operation: 46/23=2 Current State: 84:[41, 83, 2], Operations: ['46/23=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #3: [2, 42] from Operation: 83-41=42 Current State: 84:[2, 42], Operations: ['46/23=2', '83-41=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[23, 46, 41, 83], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [41, 83, 2] Generated Node #0,0: 84:[41, 83, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [41, 83, 23] Generated Node #0,1: 84:[41, 83, 23] Operation: 46-23=23 Exploring Operation: 46-41=5, Resulting Numbers: [23, 83, 5] Generated Node #0,2: 84:[23, 83, 5] Operation: 46-41=5 Exploring Operation: 46+41=87, Resulting Numbers: [23, 83, 87] Generated Node #0,3: 84:[23, 83, 87] Operation: 46+41=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[41, 83, 2], Operations: ['46/23=2'] Exploring Operation: 41*2=82, Resulting Numbers: [83, 82] Generated Node #0,0,0: 84:[83, 82] Operation: 41*2=82 Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,0,1: 84:[2, 42] Operation: 83-41=42 Exploring Operation: 41+2=43, Resulting Numbers: [83, 43] Generated Node #0,0,2: 84:[83, 43] Operation: 41+2=43 Exploring Operation: 83+2=85, Resulting Numbers: [41, 85] Generated Node #0,0,3: 84:[41, 85] Operation: 83+2=85 Moving to Node #0,0,1 Current State: 84:[2, 42], Operations: ['46/23=2', '83-41=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[23, 46, 41, 83], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [41, 83, 2] Generated Node #0,0: 84:[41, 83, 2] Operation: 46/23=2 Moving to Node #0,0 Current State: 84:[41, 83, 2], Operations: ['46/23=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,0,1: 84:[2, 42] Operation: 83-41=42 Moving to Node #0,0,1 Current State: 84:[2, 42], Operations: ['46/23=2', '83-41=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 39, 22, 50, 22 ]
90
[ "39+50=89", "22/22=1", "89+1=90" ]
Current State: 90:[39, 22, 50, 22], Operations: [] Exploring Operation: 39+50=89, Resulting Numbers: [22, 22, 89] Generated Node #2: [22, 22, 89] from Operation: 39+50=89 Current State: 90:[22, 22, 89], Operations: ['39+50=89'] Exploring Operation: 22/22=1, Resulting Numbers: [89, 1] Generated Node #3: [89, 1] from Operation: 22/22=1 Current State: 90:[89, 1], Operations: ['39+50=89', '22/22=1'] Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[39, 22, 50, 22], Operations: [] Exploring Operation: 50-22=28, Resulting Numbers: [39, 22, 28] Generated Node #0,0: 90:[39, 22, 28] Operation: 50-22=28 Exploring Operation: 39-22=17, Resulting Numbers: [50, 22, 17] Generated Node #0,1: 90:[50, 22, 17] Operation: 39-22=17 Exploring Operation: 39-22=17, Resulting Numbers: [22, 50, 17] Generated Node #0,2: 90:[22, 50, 17] Operation: 39-22=17 Exploring Operation: 50-39=11, Resulting Numbers: [22, 22, 11] Generated Node #0,3: 90:[22, 22, 11] Operation: 50-39=11 Exploring Operation: 39+50=89, Resulting Numbers: [22, 22, 89] Generated Node #0,4: 90:[22, 22, 89] Operation: 39+50=89 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[22, 22, 11], Operations: ['50-39=11'] Exploring Operation: 22-22=0, Resulting Numbers: [11, 0] Generated Node #0,3,0: 90:[11, 0] Operation: 22-22=0 Exploring Operation: 22+22=44, Resulting Numbers: [11, 44] Generated Node #0,3,1: 90:[11, 44] Operation: 22+22=44 Exploring Operation: 22/11=2, Resulting Numbers: [22, 2] Generated Node #0,3,2: 90:[22, 2] Operation: 22/11=2 Exploring Operation: 22/11=2, Resulting Numbers: [22, 2] Generated Node #0,3,3: 90:[22, 2] Operation: 22/11=2 Exploring Operation: 22/22=1, Resulting Numbers: [11, 1] Generated Node #0,3,4: 90:[11, 1] Operation: 22/22=1 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[11, 44], Operations: ['50-39=11', '22+22=44'] Exploring Operation: 11*44=484, Resulting Numbers: [484] 484,90 unequal: No Solution Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 11+44=55, Resulting Numbers: [55] 55,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[11, 1], Operations: ['50-39=11', '22/22=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[11, 0], Operations: ['50-39=11', '22-22=0'] Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[22, 2], Operations: ['50-39=11', '22/11=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[22, 2], Operations: ['50-39=11', '22/11=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[22, 22, 89], Operations: ['39+50=89'] Exploring Operation: 22-22=0, Resulting Numbers: [89, 0] Generated Node #0,4,0: 90:[89, 0] Operation: 22-22=0 Exploring Operation: 22+22=44, Resulting Numbers: [89, 44] Generated Node #0,4,1: 90:[89, 44] Operation: 22+22=44 Exploring Operation: 22+89=111, Resulting Numbers: [22, 111] Generated Node #0,4,2: 90:[22, 111] Operation: 22+89=111 Exploring Operation: 22/22=1, Resulting Numbers: [89, 1] Generated Node #0,4,3: 90:[89, 1] Operation: 22/22=1 Exploring Operation: 22+89=111, Resulting Numbers: [22, 111] Generated Node #0,4,4: 90:[22, 111] Operation: 22+89=111 Moving to Node #0,4,1 Current State: 90:[89, 44], Operations: ['39+50=89', '22+22=44'] Exploring Operation: 89*44=3916, Resulting Numbers: [3916] 3916,90 unequal: No Solution Exploring Operation: 89-44=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 89+44=133, Resulting Numbers: [133] 133,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[89, 1], Operations: ['39+50=89', '22/22=1'] Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,90 unequal: No Solution Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[39, 22, 50, 22], Operations: [] Exploring Operation: 39+50=89, Resulting Numbers: [22, 22, 89] Generated Node #0,4: 90:[22, 22, 89] Operation: 39+50=89 Moving to Node #0,4 Current State: 90:[22, 22, 89], Operations: ['39+50=89'] Exploring Operation: 22/22=1, Resulting Numbers: [89, 1] Generated Node #0,4,3: 90:[89, 1] Operation: 22/22=1 Moving to Node #0,4,3 Current State: 90:[89, 1], Operations: ['39+50=89', '22/22=1'] Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_5
mult_heuristic
[ 43, 9, 8, 99 ]
39
[ "43+9=52", "99-8=91", "91-52=39" ]
Current State: 39:[43, 9, 8, 99], Operations: [] Exploring Operation: 43+9=52, Resulting Numbers: [8, 99, 52] Generated Node #2: [8, 99, 52] from Operation: 43+9=52 Current State: 39:[8, 99, 52], Operations: ['43+9=52'] Exploring Operation: 99-8=91, Resulting Numbers: [52, 91] Generated Node #3: [52, 91] from Operation: 99-8=91 Current State: 39:[52, 91], Operations: ['43+9=52', '99-8=91'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[43, 9, 8, 99], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [43, 8, 11] Generated Node #0,0: 39:[43, 8, 11] Operation: 99/9=11 Exploring Operation: 99-9=90, Resulting Numbers: [43, 8, 90] Generated Node #0,1: 39:[43, 8, 90] Operation: 99-9=90 Exploring Operation: 99-43=56, Resulting Numbers: [9, 8, 56] Generated Node #0,2: 39:[9, 8, 56] Operation: 99-43=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[43, 8, 11], Operations: ['99/9=11'] Exploring Operation: 11-8=3, Resulting Numbers: [43, 3] Generated Node #0,0,0: 39:[43, 3] Operation: 11-8=3 Exploring Operation: 43-8=35, Resulting Numbers: [11, 35] Generated Node #0,0,1: 39:[11, 35] Operation: 43-8=35 Exploring Operation: 8+11=19, Resulting Numbers: [43, 19] Generated Node #0,0,2: 39:[43, 19] Operation: 8+11=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[43, 3], Operations: ['99/9=11', '11-8=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[11, 35], Operations: ['99/9=11', '43-8=35'] Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,39 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[43, 19], Operations: ['99/9=11', '8+11=19'] Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,39 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[9, 8, 56], Operations: ['99-43=56'] Exploring Operation: 56/8=7, Resulting Numbers: [9, 7] Generated Node #0,2,0: 39:[9, 7] Operation: 56/8=7 Exploring Operation: 56-8=48, Resulting Numbers: [9, 48] Generated Node #0,2,1: 39:[9, 48] Operation: 56-8=48 Exploring Operation: 56-9=47, Resulting Numbers: [8, 47] Generated Node #0,2,2: 39:[8, 47] Operation: 56-9=47 Moving to Node #0,2,0 Current State: 39:[9, 7], Operations: ['99-43=56', '56/8=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[9, 48], Operations: ['99-43=56', '56-8=48'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[43, 9, 8, 99], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [9, 8, 56] Generated Node #0,2: 39:[9, 8, 56] Operation: 99-43=56 Moving to Node #0,2 Current State: 39:[9, 8, 56], Operations: ['99-43=56'] Exploring Operation: 56-8=48, Resulting Numbers: [9, 48] Generated Node #0,2,1: 39:[9, 48] Operation: 56-8=48 Moving to Node #0,2,1 Current State: 39:[9, 48], Operations: ['99-43=56', '56-8=48'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 32, 80, 76, 8 ]
82
[ "80-32=48", "48/8=6", "76+6=82" ]
Current State: 82:[32, 80, 76, 8], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [76, 8, 48] Generated Node #2: [76, 8, 48] from Operation: 80-32=48 Current State: 82:[76, 8, 48], Operations: ['80-32=48'] Exploring Operation: 48/8=6, Resulting Numbers: [76, 6] Generated Node #3: [76, 6] from Operation: 48/8=6 Current State: 82:[76, 6], Operations: ['80-32=48', '48/8=6'] Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[32, 80, 76, 8], Operations: [] Exploring Operation: 76+8=84, Resulting Numbers: [32, 80, 84] Generated Node #0,0: 82:[32, 80, 84] Operation: 76+8=84 Exploring Operation: 76-32=44, Resulting Numbers: [80, 8, 44] Generated Node #0,1: 82:[80, 8, 44] Operation: 76-32=44 Exploring Operation: 32/8=4, Resulting Numbers: [80, 76, 4] Generated Node #0,2: 82:[80, 76, 4] Operation: 32/8=4 Exploring Operation: 32+8=40, Resulting Numbers: [80, 76, 40] Generated Node #0,3: 82:[80, 76, 40] Operation: 32+8=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[80, 76, 40], Operations: ['32+8=40'] Exploring Operation: 76-40=36, Resulting Numbers: [80, 36] Generated Node #0,3,0: 82:[80, 36] Operation: 76-40=36 Exploring Operation: 80/40=2, Resulting Numbers: [76, 2] Generated Node #0,3,1: 82:[76, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [76, 40] Generated Node #0,3,2: 82:[76, 40] Operation: 80-40=40 Exploring Operation: 80-76=4, Resulting Numbers: [40, 4] Generated Node #0,3,3: 82:[40, 4] Operation: 80-76=4 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 82:[40, 4], Operations: ['32+8=40', '80-76=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,82 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,82 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,82 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,82 unequal: No Solution No 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: 82:[76, 2], Operations: ['32+8=40', '80/40=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,82 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,82 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,82 unequal: No Solution No 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: 82:[80, 36], Operations: ['32+8=40', '76-40=36'] Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,82 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,82 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,82 unequal: No Solution No 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: 82:[76, 40], Operations: ['32+8=40', '80-40=40'] Exploring Operation: 76+40=116, Resulting Numbers: [116] 116,82 unequal: No Solution Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,82 unequal: No Solution Exploring Operation: 76*40=3040, Resulting Numbers: [3040] 3040,82 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: 82:[80, 76, 4], Operations: ['32/8=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80, 80] Generated Node #0,2,0: 82:[80, 80] Operation: 76+4=80 Exploring Operation: 80-76=4, Resulting Numbers: [4, 4] Generated Node #0,2,1: 82:[4, 4] Operation: 80-76=4 Exploring Operation: 80+4=84, Resulting Numbers: [76, 84] Generated Node #0,2,2: 82:[76, 84] Operation: 80+4=84 Exploring Operation: 80-4=76, Resulting Numbers: [76, 76] Generated Node #0,2,3: 82:[76, 76] Operation: 80-4=76 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[80, 80], Operations: ['32/8=4', '76+4=80'] Exploring Operation: 80*80=6400, Resulting Numbers: [6400] 6400,82 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 80+80=160, Resulting Numbers: [160] 160,82 unequal: No Solution No 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: 82:[4, 4], Operations: ['32/8=4', '80-76=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,82 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,82 unequal: No Solution No 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: 82:[76, 84], Operations: ['32/8=4', '80+4=84'] Exploring Operation: 76+84=160, Resulting Numbers: [160] 160,82 unequal: No Solution Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 76*84=6384, Resulting Numbers: [6384] 6384,82 unequal: No Solution No 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: 82:[76, 76], Operations: ['32/8=4', '80-4=76'] Exploring Operation: 76/76=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 76+76=152, Resulting Numbers: [152] 152,82 unequal: No Solution Exploring Operation: 76-76=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 76*76=5776, Resulting Numbers: [5776] 5776,82 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: 82:[80, 8, 44], Operations: ['76-32=44'] Exploring Operation: 80/8=10, Resulting Numbers: [44, 10] Generated Node #0,1,0: 82:[44, 10] Operation: 80/8=10 Exploring Operation: 80-44=36, Resulting Numbers: [8, 36] Generated Node #0,1,1: 82:[8, 36] Operation: 80-44=36 Exploring Operation: 80+8=88, Resulting Numbers: [44, 88] Generated Node #0,1,2: 82:[44, 88] Operation: 80+8=88 Exploring Operation: 44-8=36, Resulting Numbers: [80, 36] Generated Node #0,1,3: 82:[80, 36] Operation: 44-8=36 Moving to Node #0,1,3 Current State: 82:[80, 36], Operations: ['76-32=44', '44-8=36'] Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,82 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,82 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[44, 88], Operations: ['76-32=44', '80+8=88'] Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 44*88=3872, Resulting Numbers: [3872] 3872,82 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[8, 36], Operations: ['76-32=44', '80-44=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,82 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[44, 10], Operations: ['76-32=44', '80/8=10'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,82 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[32, 80, 84], Operations: ['76+8=84'] Exploring Operation: 80-32=48, Resulting Numbers: [84, 48] Generated Node #0,0,0: 82:[84, 48] Operation: 80-32=48 Exploring Operation: 84-80=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 82:[32, 4] Operation: 84-80=4 Exploring Operation: 32+80=112, Resulting Numbers: [84, 112] Generated Node #0,0,2: 82:[84, 112] Operation: 32+80=112 Exploring Operation: 84-32=52, Resulting Numbers: [80, 52] Generated Node #0,0,3: 82:[80, 52] Operation: 84-32=52 Moving to Node #0,0,0 Current State: 82:[84, 48], Operations: ['76+8=84', '80-32=48'] Exploring Operation: 84+48=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,82 unequal: No Solution Exploring Operation: 84*48=4032, Resulting Numbers: [4032] 4032,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[32, 4], Operations: ['76+8=84', '84-80=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,82 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,82 unequal: No Solution Moving to Node #0,0,3 Current State: 82:[80, 52], Operations: ['76+8=84', '84-32=52'] Exploring Operation: 80+52=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 80*52=4160, Resulting Numbers: [4160] 4160,82 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[84, 112], Operations: ['76+8=84', '32+80=112'] Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,82 unequal: No Solution Exploring Operation: 84*112=9408, Resulting Numbers: [9408] 9408,82 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
[ 57, 9, 53, 4 ]
40
[ "57-53=4", "9*4=36", "4+36=40" ]
Current State: 40:[57, 9, 53, 4], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [9, 4, 4] Generated Node #2: [9, 4, 4] from Operation: 57-53=4 Current State: 40:[9, 4, 4], Operations: ['57-53=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,40 equal: Goal Reached Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[57, 9, 53, 4], Operations: [] Exploring Operation: 53-9=44, Resulting Numbers: [57, 4, 44] Generated Node #0,0: 40:[57, 4, 44] Operation: 53-9=44 Exploring Operation: 57-4=53, Resulting Numbers: [9, 53, 53] Generated Node #0,1: 40:[9, 53, 53] Operation: 57-4=53 Exploring Operation: 57-53=4, Resulting Numbers: [9, 4, 4] Generated Node #0,2: 40:[9, 4, 4] Operation: 57-53=4 Exploring Operation: 57-9=48, Resulting Numbers: [53, 4, 48] Generated Node #0,3: 40:[53, 4, 48] Operation: 57-9=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[9, 4, 4], Operations: ['57-53=4'] Exploring Operation: 4/4=1, Resulting Numbers: [9, 1] Generated Node #0,2,0: 40:[9, 1] Operation: 4/4=1 Exploring Operation: 4+4=8, Resulting Numbers: [9, 8] Generated Node #0,2,1: 40:[9, 8] Operation: 4+4=8 Exploring Operation: 9-4=5, Resulting Numbers: [4, 5] Generated Node #0,2,2: 40:[4, 5] Operation: 9-4=5 Exploring Operation: 9-4=5, Resulting Numbers: [4, 5] Generated Node #0,2,3: 40:[4, 5] Operation: 9-4=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 40:[4, 5], Operations: ['57-53=4', '9-4=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 40:[4, 5], Operations: ['57-53=4', '9-4=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 40:[9, 8], Operations: ['57-53=4', '4+4=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,40 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 40:[9, 1], Operations: ['57-53=4', '4/4=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[57, 4, 44], Operations: ['53-9=44'] Exploring Operation: 57-4=53, Resulting Numbers: [44, 53] Generated Node #0,0,0: 40:[44, 53] Operation: 57-4=53 Exploring Operation: 44/4=11, Resulting Numbers: [57, 11] Generated Node #0,0,1: 40:[57, 11] Operation: 44/4=11 Exploring Operation: 57-44=13, Resulting Numbers: [4, 13] Generated Node #0,0,2: 40:[4, 13] Operation: 57-44=13 Exploring Operation: 44-4=40, Resulting Numbers: [57, 40] Generated Node #0,0,3: 40:[57, 40] Operation: 44-4=40 Moving to Node #0,0,2 Current State: 40:[4, 13], Operations: ['53-9=44', '57-44=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,40 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[57, 40], Operations: ['53-9=44', '44-4=40'] Exploring Operation: 57*40=2280, Resulting Numbers: [2280] 2280,40 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,40 unequal: No Solution Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[44, 53], Operations: ['53-9=44', '57-4=53'] Exploring Operation: 44*53=2332, Resulting Numbers: [2332] 2332,40 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 44+53=97, Resulting Numbers: [97] 97,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[57, 11], Operations: ['53-9=44', '44/4=11'] Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,40 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[53, 4, 48], Operations: ['57-9=48'] Exploring Operation: 53-48=5, Resulting Numbers: [4, 5] Generated Node #0,3,0: 40:[4, 5] Operation: 53-48=5 Exploring Operation: 48-4=44, Resulting Numbers: [53, 44] Generated Node #0,3,1: 40:[53, 44] Operation: 48-4=44 Exploring Operation: 48/4=12, Resulting Numbers: [53, 12] Generated Node #0,3,2: 40:[53, 12] Operation: 48/4=12 Exploring Operation: 53-4=49, Resulting Numbers: [48, 49] Generated Node #0,3,3: 40:[48, 49] Operation: 53-4=49 Moving to Node #0,3,0 Current State: 40:[4, 5], Operations: ['57-9=48', '53-48=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,3,2 Current State: 40:[53, 12], Operations: ['57-9=48', '48/4=12'] Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,40 unequal: No Solution Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[48, 49], Operations: ['57-9=48', '53-4=49'] Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,40 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,40 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,3,1 Current State: 40:[53, 44], Operations: ['57-9=48', '48-4=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,40 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[9, 53, 53], Operations: ['57-4=53'] Exploring Operation: 53-9=44, Resulting Numbers: [53, 44] Generated Node #0,1,0: 40:[53, 44] Operation: 53-9=44 Exploring Operation: 53/53=1, Resulting Numbers: [9, 1] Generated Node #0,1,1: 40:[9, 1] Operation: 53/53=1 Exploring Operation: 53-53=0, Resulting Numbers: [9, 0] Generated Node #0,1,2: 40:[9, 0] Operation: 53-53=0 Exploring Operation: 53-9=44, Resulting Numbers: [53, 44] Generated Node #0,1,3: 40:[53, 44] Operation: 53-9=44 Moving to Node #0,1,1 Current State: 40:[9, 1], Operations: ['57-4=53', '53/53=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[9, 0], Operations: ['57-4=53', '53-53=0'] Exploring Operation: 9*0=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 9+0=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 9-0=9, Resulting Numbers: [9] 9,40 unequal: No Solution Moving to Node #0,1,3 Current State: 40:[53, 44], Operations: ['57-4=53', '53-9=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,40 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,40 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[53, 44], Operations: ['57-4=53', '53-9=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,40 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,40 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,40 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
[ 85, 83, 63, 7 ]
87
[ "85+83=168", "168/7=24", "63+24=87" ]
Current State: 87:[85, 83, 63, 7], Operations: [] Exploring Operation: 85+83=168, Resulting Numbers: [63, 7, 168] Generated Node #2: [63, 7, 168] from Operation: 85+83=168 Current State: 87:[63, 7, 168], Operations: ['85+83=168'] Exploring Operation: 168/7=24, Resulting Numbers: [63, 24] Generated Node #3: [63, 24] from Operation: 168/7=24 Current State: 87:[63, 24], Operations: ['85+83=168', '168/7=24'] Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[85, 83, 63, 7], Operations: [] Exploring Operation: 85-63=22, Resulting Numbers: [83, 7, 22] Generated Node #0,0: 87:[83, 7, 22] Operation: 85-63=22 Exploring Operation: 83-63=20, Resulting Numbers: [85, 7, 20] Generated Node #0,1: 87:[85, 7, 20] Operation: 83-63=20 Exploring Operation: 63/7=9, Resulting Numbers: [85, 83, 9] Generated Node #0,2: 87:[85, 83, 9] Operation: 63/7=9 Moving to Node #0,2 Current State: 87:[85, 83, 9], Operations: ['63/7=9'] Exploring Operation: 85+9=94, Resulting Numbers: [83, 94] Generated Node #0,2,0: 87:[83, 94] Operation: 85+9=94 Exploring Operation: 83+9=92, Resulting Numbers: [85, 92] Generated Node #0,2,1: 87:[85, 92] Operation: 83+9=92 Exploring Operation: 85-83=2, Resulting Numbers: [9, 2] Generated Node #0,2,2: 87:[9, 2] Operation: 85-83=2 Moving to Node #0,0 Current State: 87:[83, 7, 22], Operations: ['85-63=22'] Exploring Operation: 22-7=15, Resulting Numbers: [83, 15] Generated Node #0,0,0: 87:[83, 15] Operation: 22-7=15 Exploring Operation: 83+7=90, Resulting Numbers: [22, 90] Generated Node #0,0,1: 87:[22, 90] Operation: 83+7=90 Exploring Operation: 7+22=29, Resulting Numbers: [83, 29] Generated Node #0,0,2: 87:[83, 29] Operation: 7+22=29 Moving to Node #0,1 Current State: 87:[85, 7, 20], Operations: ['83-63=20'] Exploring Operation: 7+20=27, Resulting Numbers: [85, 27] Generated Node #0,1,0: 87:[85, 27] Operation: 7+20=27 Exploring Operation: 20-7=13, Resulting Numbers: [85, 13] Generated Node #0,1,1: 87:[85, 13] Operation: 20-7=13 Exploring Operation: 85+7=92, Resulting Numbers: [20, 92] Generated Node #0,1,2: 87:[20, 92] Operation: 85+7=92 Moving to Node #0,0,2 Current State: 87:[83, 29], Operations: ['85-63=22', '7+22=29'] Exploring Operation: 83*29=2407, Resulting Numbers: [2407] 2407,87 unequal: No Solution Exploring Operation: 83+29=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[85, 27], Operations: ['83-63=20', '7+20=27'] Exploring Operation: 85+27=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 85*27=2295, Resulting Numbers: [2295] 2295,87 unequal: No Solution Exploring Operation: 85-27=58, Resulting Numbers: [58] 58,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[85, 92], Operations: ['63/7=9', '83+9=92'] Exploring Operation: 85*92=7820, Resulting Numbers: [7820] 7820,87 unequal: No Solution Exploring Operation: 85+92=177, Resulting Numbers: [177] 177,87 unequal: No Solution Exploring Operation: 92-85=7, Resulting Numbers: [7] 7,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[9, 2], Operations: ['63/7=9', '85-83=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,87 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[22, 90], Operations: ['85-63=22', '83+7=90'] Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 22+90=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 22*90=1980, Resulting Numbers: [1980] 1980,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[83, 94], Operations: ['63/7=9', '85+9=94'] Exploring Operation: 83+94=177, Resulting Numbers: [177] 177,87 unequal: No Solution Exploring Operation: 83*94=7802, Resulting Numbers: [7802] 7802,87 unequal: No Solution Exploring Operation: 94-83=11, Resulting Numbers: [11] 11,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[85, 13], Operations: ['83-63=20', '20-7=13'] Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,87 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,87 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[20, 92], Operations: ['83-63=20', '85+7=92'] Exploring Operation: 20+92=112, Resulting Numbers: [112] 112,87 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,87 unequal: No Solution Exploring Operation: 20*92=1840, Resulting Numbers: [1840] 1840,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[83, 15], Operations: ['85-63=22', '22-7=15'] Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 83+15=98, Resulting Numbers: [98] 98,87 unequal: No Solution Exploring Operation: 83*15=1245, Resulting Numbers: [1245] 1245,87 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 20, 40, 95 ]
65
[ "10*20=200", "40+95=135", "200-135=65" ]
Current State: 65:[10, 20, 40, 95], Operations: [] Exploring Operation: 10*20=200, Resulting Numbers: [40, 95, 200] Generated Node #2: [40, 95, 200] from Operation: 10*20=200 Current State: 65:[40, 95, 200], Operations: ['10*20=200'] Exploring Operation: 40+95=135, Resulting Numbers: [200, 135] Generated Node #3: [200, 135] from Operation: 40+95=135 Current State: 65:[200, 135], Operations: ['10*20=200', '40+95=135'] Exploring Operation: 200-135=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[10, 20, 40, 95], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [10, 20, 55] Generated Node #0,0: 65:[10, 20, 55] Operation: 95-40=55 Exploring Operation: 40/20=2, Resulting Numbers: [10, 95, 2] Generated Node #0,1: 65:[10, 95, 2] Operation: 40/20=2 Exploring Operation: 40/10=4, Resulting Numbers: [20, 95, 4] Generated Node #0,2: 65:[20, 95, 4] Operation: 40/10=4 Moving to Node #0,0 Current State: 65:[10, 20, 55], Operations: ['95-40=55'] Exploring Operation: 20/10=2, Resulting Numbers: [55, 2] Generated Node #0,0,0: 65:[55, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [55, 10] Generated Node #0,0,1: 65:[55, 10] Operation: 20-10=10 Exploring Operation: 10+55=65, Resulting Numbers: [20, 65] Generated Node #0,0,2: 65:[20, 65] Operation: 10+55=65 Moving to Node #0,1 Current State: 65:[10, 95, 2], Operations: ['40/20=2'] Exploring Operation: 95-10=85, Resulting Numbers: [2, 85] Generated Node #0,1,0: 65:[2, 85] Operation: 95-10=85 Exploring Operation: 10+2=12, Resulting Numbers: [95, 12] Generated Node #0,1,1: 65:[95, 12] Operation: 10+2=12 Exploring Operation: 10/2=5, Resulting Numbers: [95, 5] Generated Node #0,1,2: 65:[95, 5] Operation: 10/2=5 Moving to Node #0,2 Current State: 65:[20, 95, 4], Operations: ['40/10=4'] Exploring Operation: 20/4=5, Resulting Numbers: [95, 5] Generated Node #0,2,0: 65:[95, 5] Operation: 20/4=5 Exploring Operation: 95-20=75, Resulting Numbers: [4, 75] Generated Node #0,2,1: 65:[4, 75] Operation: 95-20=75 Exploring Operation: 20-4=16, Resulting Numbers: [95, 16] Generated Node #0,2,2: 65:[95, 16] Operation: 20-4=16 Moving to Node #0,0,2 Current State: 65:[20, 65], Operations: ['95-40=55', '10+55=65'] Exploring Operation: 20*65=1300, Resulting Numbers: [1300] 1300,65 unequal: No Solution Exploring Operation: 20+65=85, Resulting Numbers: [85] 85,65 unequal: No Solution Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[4, 75], Operations: ['40/10=4', '95-20=75'] Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,65 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,65 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[55, 10], Operations: ['95-40=55', '20-10=10'] Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,65 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[10, 20, 40, 95], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [10, 20, 55] Generated Node #0,0: 65:[10, 20, 55] Operation: 95-40=55 Moving to Node #0,0 Current State: 65:[10, 20, 55], Operations: ['95-40=55'] Exploring Operation: 20-10=10, Resulting Numbers: [55, 10] Generated Node #0,0,1: 65:[55, 10] Operation: 20-10=10 Moving to Node #0,0,1 Current State: 65:[55, 10], Operations: ['95-40=55', '20-10=10'] Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 3, 56, 52, 81 ]
24
[ "56-3=53", "81-52=29", "53-29=24" ]
Current State: 24:[3, 56, 52, 81], Operations: [] Exploring Operation: 56-3=53, Resulting Numbers: [52, 81, 53] Generated Node #2: [52, 81, 53] from Operation: 56-3=53 Current State: 24:[52, 81, 53], Operations: ['56-3=53'] Exploring Operation: 81-52=29, Resulting Numbers: [53, 29] Generated Node #3: [53, 29] from Operation: 81-52=29 Current State: 24:[53, 29], Operations: ['56-3=53', '81-52=29'] Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[3, 56, 52, 81], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [3, 52, 25] Generated Node #0,0: 24:[3, 52, 25] Operation: 81-56=25 Exploring Operation: 81-52=29, Resulting Numbers: [3, 56, 29] Generated Node #0,1: 24:[3, 56, 29] Operation: 81-52=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[3, 52, 25], Operations: ['81-56=25'] Exploring Operation: 52-25=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 24:[3, 27] Operation: 52-25=27 Exploring Operation: 52-3=49, Resulting Numbers: [25, 49] Generated Node #0,0,1: 24:[25, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 24:[3, 27], Operations: ['81-56=25', '52-25=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[3, 56, 52, 81], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [3, 52, 25] Generated Node #0,0: 24:[3, 52, 25] Operation: 81-56=25 Moving to Node #0,0 Current State: 24:[3, 52, 25], Operations: ['81-56=25'] Exploring Operation: 52-25=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 24:[3, 27] Operation: 52-25=27 Moving to Node #0,0,0 Current State: 24:[3, 27], Operations: ['81-56=25', '52-25=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 96, 51, 70, 98 ]
86
[ "98-96=2", "70/2=35", "51+35=86" ]
Current State: 86:[96, 51, 70, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [51, 70, 2] Generated Node #2: [51, 70, 2] from Operation: 98-96=2 Current State: 86:[51, 70, 2], Operations: ['98-96=2'] Exploring Operation: 70/2=35, Resulting Numbers: [51, 35] Generated Node #3: [51, 35] from Operation: 70/2=35 Current State: 86:[51, 35], Operations: ['98-96=2', '70/2=35'] Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[96, 51, 70, 98], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [51, 98, 26] Generated Node #0,0: 86:[51, 98, 26] Operation: 96-70=26 Exploring Operation: 96-51=45, Resulting Numbers: [70, 98, 45] Generated Node #0,1: 86:[70, 98, 45] Operation: 96-51=45 Exploring Operation: 98-51=47, Resulting Numbers: [96, 70, 47] Generated Node #0,2: 86:[96, 70, 47] Operation: 98-51=47 Exploring Operation: 98-96=2, Resulting Numbers: [51, 70, 2] Generated Node #0,3: 86:[51, 70, 2] Operation: 98-96=2 Exploring Operation: 98-70=28, Resulting Numbers: [96, 51, 28] Generated Node #0,4: 86:[96, 51, 28] Operation: 98-70=28 Moving to Node #0,3 Current State: 86:[51, 70, 2], Operations: ['98-96=2'] Exploring Operation: 70/2=35, Resulting Numbers: [51, 35] Generated Node #0,3,0: 86:[51, 35] Operation: 70/2=35 Exploring Operation: 70+2=72, Resulting Numbers: [51, 72] Generated Node #0,3,1: 86:[51, 72] Operation: 70+2=72 Exploring Operation: 51-2=49, Resulting Numbers: [70, 49] Generated Node #0,3,2: 86:[70, 49] Operation: 51-2=49 Exploring Operation: 51+2=53, Resulting Numbers: [70, 53] Generated Node #0,3,3: 86:[70, 53] Operation: 51+2=53 Exploring Operation: 70-51=19, Resulting Numbers: [2, 19] Generated Node #0,3,4: 86:[2, 19] Operation: 70-51=19 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[51, 35], Operations: ['98-96=2', '70/2=35'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,86 unequal: No Solution Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,86 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[96, 51, 70, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [51, 70, 2] Generated Node #0,3: 86:[51, 70, 2] Operation: 98-96=2 Moving to Node #0,3 Current State: 86:[51, 70, 2], Operations: ['98-96=2'] Exploring Operation: 70/2=35, Resulting Numbers: [51, 35] Generated Node #0,3,0: 86:[51, 35] Operation: 70/2=35 Moving to Node #0,3,0 Current State: 86:[51, 35], Operations: ['98-96=2', '70/2=35'] Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 3, 84, 8, 11 ]
29
[ "3+84=87", "11-8=3", "87/3=29" ]
Current State: 29:[3, 84, 8, 11], Operations: [] Exploring Operation: 3+84=87, Resulting Numbers: [8, 11, 87] Generated Node #2: [8, 11, 87] from Operation: 3+84=87 Current State: 29:[8, 11, 87], Operations: ['3+84=87'] Exploring Operation: 11-8=3, Resulting Numbers: [87, 3] Generated Node #3: [87, 3] from Operation: 11-8=3 Current State: 29:[87, 3], Operations: ['3+84=87', '11-8=3'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[3, 84, 8, 11], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [8, 11, 28] Generated Node #0,0: 29:[8, 11, 28] Operation: 84/3=28 Exploring Operation: 3*8=24, Resulting Numbers: [84, 11, 24] Generated Node #0,1: 29:[84, 11, 24] Operation: 3*8=24 Moving to Node #0,0 Current State: 29:[8, 11, 28], Operations: ['84/3=28'] Exploring Operation: 8+11=19, Resulting Numbers: [28, 19] Generated Node #0,0,0: 29:[28, 19] Operation: 8+11=19 Exploring Operation: 8+28=36, Resulting Numbers: [11, 36] Generated Node #0,0,1: 29:[11, 36] Operation: 8+28=36 Moving to Node #0,1 Current State: 29:[84, 11, 24], Operations: ['3*8=24'] Exploring Operation: 84-24=60, Resulting Numbers: [11, 60] Generated Node #0,1,0: 29:[11, 60] Operation: 84-24=60 Exploring Operation: 84-11=73, Resulting Numbers: [24, 73] Generated Node #0,1,1: 29:[24, 73] Operation: 84-11=73 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[11, 60], Operations: ['3*8=24', '84-24=60'] Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[24, 73], Operations: ['3*8=24', '84-11=73'] Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,29 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: 29:[28, 19], Operations: ['84/3=28', '8+11=19'] Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[11, 36], Operations: ['84/3=28', '8+28=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,29 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 84, 9, 5, 6 ]
79
[ "84*5=420", "420/6=70", "9+70=79" ]
Current State: 79:[84, 9, 5, 6], Operations: [] Exploring Operation: 84*5=420, Resulting Numbers: [9, 6, 420] Generated Node #2: [9, 6, 420] from Operation: 84*5=420 Current State: 79:[9, 6, 420], Operations: ['84*5=420'] Exploring Operation: 420/6=70, Resulting Numbers: [9, 70] Generated Node #3: [9, 70] from Operation: 420/6=70 Current State: 79:[9, 70], Operations: ['84*5=420', '420/6=70'] Exploring Operation: 9+70=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[84, 9, 5, 6], Operations: [] Exploring Operation: 9*6=54, Resulting Numbers: [84, 5, 54] Generated Node #0,0: 79:[84, 5, 54] Operation: 9*6=54 Moving to Node #0,0 Current State: 79:[84, 5, 54], Operations: ['9*6=54'] Exploring Operation: 84-5=79, Resulting Numbers: [54, 79] Generated Node #0,0,0: 79:[54, 79] Operation: 84-5=79 Moving to Node #0,0,0 Current State: 79:[54, 79], Operations: ['9*6=54', '84-5=79'] Exploring Operation: 54+79=133, Resulting Numbers: [133] 133,79 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 39, 36, 63, 91 ]
47
[ "39+36=75", "91-63=28", "75-28=47" ]
Current State: 47:[39, 36, 63, 91], Operations: [] Exploring Operation: 39+36=75, Resulting Numbers: [63, 91, 75] Generated Node #2: [63, 91, 75] from Operation: 39+36=75 Current State: 47:[63, 91, 75], Operations: ['39+36=75'] Exploring Operation: 91-63=28, Resulting Numbers: [75, 28] Generated Node #3: [75, 28] from Operation: 91-63=28 Current State: 47:[75, 28], Operations: ['39+36=75', '91-63=28'] Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[39, 36, 63, 91], Operations: [] Exploring Operation: 91-39=52, Resulting Numbers: [36, 63, 52] Generated Node #0,0: 47:[36, 63, 52] Operation: 91-39=52 Moving to Node #0,0 Current State: 47:[36, 63, 52], Operations: ['91-39=52'] Exploring Operation: 63-36=27, Resulting Numbers: [52, 27] Generated Node #0,0,0: 47:[52, 27] Operation: 63-36=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[52, 27], Operations: ['91-39=52', '63-36=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,47 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, 6, 27, 44 ]
76
[ "87+6=93", "44-27=17", "93-17=76" ]
Current State: 76:[87, 6, 27, 44], Operations: [] Exploring Operation: 87+6=93, Resulting Numbers: [27, 44, 93] Generated Node #2: [27, 44, 93] from Operation: 87+6=93 Current State: 76:[27, 44, 93], Operations: ['87+6=93'] Exploring Operation: 44-27=17, Resulting Numbers: [93, 17] Generated Node #3: [93, 17] from Operation: 44-27=17 Current State: 76:[93, 17], Operations: ['87+6=93', '44-27=17'] Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[87, 6, 27, 44], Operations: [] Exploring Operation: 44-27=17, Resulting Numbers: [87, 6, 17] Generated Node #0,0: 76:[87, 6, 17] Operation: 44-27=17 Exploring Operation: 87-6=81, Resulting Numbers: [27, 44, 81] Generated Node #0,1: 76:[27, 44, 81] Operation: 87-6=81 Exploring Operation: 87-44=43, Resulting Numbers: [6, 27, 43] Generated Node #0,2: 76:[6, 27, 43] Operation: 87-44=43 Exploring Operation: 27+44=71, Resulting Numbers: [87, 6, 71] Generated Node #0,3: 76:[87, 6, 71] Operation: 27+44=71 Moving to Node #0,0 Current State: 76:[87, 6, 17], Operations: ['44-27=17'] Exploring Operation: 87-6=81, Resulting Numbers: [17, 81] Generated Node #0,0,0: 76:[17, 81] Operation: 87-6=81 Exploring Operation: 87-17=70, Resulting Numbers: [6, 70] Generated Node #0,0,1: 76:[6, 70] Operation: 87-17=70 Exploring Operation: 17-6=11, Resulting Numbers: [87, 11] Generated Node #0,0,2: 76:[87, 11] Operation: 17-6=11 Exploring Operation: 6+17=23, Resulting Numbers: [87, 23] Generated Node #0,0,3: 76:[87, 23] Operation: 6+17=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[17, 81], Operations: ['44-27=17', '87-6=81'] Exploring Operation: 17*81=1377, Resulting Numbers: [1377] 1377,76 unequal: No Solution Exploring Operation: 17+81=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[6, 70], Operations: ['44-27=17', '87-17=70'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 6+70=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[87, 6, 27, 44], Operations: [] Exploring Operation: 44-27=17, Resulting Numbers: [87, 6, 17] Generated Node #0,0: 76:[87, 6, 17] Operation: 44-27=17 Moving to Node #0,0 Current State: 76:[87, 6, 17], Operations: ['44-27=17'] Exploring Operation: 87-17=70, Resulting Numbers: [6, 70] Generated Node #0,0,1: 76:[6, 70] Operation: 87-17=70 Moving to Node #0,0,1 Current State: 76:[6, 70], Operations: ['44-27=17', '87-17=70'] Exploring Operation: 6+70=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 60, 10, 58, 68 ]
59
[ "10+58=68", "68/68=1", "60-1=59" ]
Current State: 59:[60, 10, 58, 68], Operations: [] Exploring Operation: 10+58=68, Resulting Numbers: [60, 68, 68] Generated Node #2: [60, 68, 68] from Operation: 10+58=68 Current State: 59:[60, 68, 68], Operations: ['10+58=68'] Exploring Operation: 68/68=1, Resulting Numbers: [60, 1] Generated Node #3: [60, 1] from Operation: 68/68=1 Current State: 59:[60, 1], Operations: ['10+58=68', '68/68=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[60, 10, 58, 68], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [58, 68, 50] Generated Node #0,0: 59:[58, 68, 50] Operation: 60-10=50 Exploring Operation: 68-10=58, Resulting Numbers: [60, 58, 58] Generated Node #0,1: 59:[60, 58, 58] Operation: 68-10=58 Moving to Node #0,1 Current State: 59:[60, 58, 58], Operations: ['68-10=58'] Exploring Operation: 60-58=2, Resulting Numbers: [58, 2] Generated Node #0,1,0: 59:[58, 2] Operation: 60-58=2 Exploring Operation: 60-58=2, Resulting Numbers: [58, 2] Generated Node #0,1,1: 59:[58, 2] Operation: 60-58=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[58, 2], Operations: ['68-10=58', '60-58=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,59 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 #0,1,1 Current State: 59:[58, 2], Operations: ['68-10=58', '60-58=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,59 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,59 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: 59:[58, 68, 50], Operations: ['60-10=50'] Exploring Operation: 68-50=18, Resulting Numbers: [58, 18] Generated Node #0,0,0: 59:[58, 18] Operation: 68-50=18 Exploring Operation: 68-58=10, Resulting Numbers: [50, 10] Generated Node #0,0,1: 59:[50, 10] Operation: 68-58=10 Moving to Node #0,0,0 Current State: 59:[58, 18], Operations: ['60-10=50', '68-50=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,59 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[50, 10], Operations: ['60-10=50', '68-58=10'] Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,59 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 54, 13, 39, 51 ]
71
[ "39/13=3", "51/3=17", "54+17=71" ]
Current State: 71:[54, 13, 39, 51], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [54, 51, 3] Generated Node #2: [54, 51, 3] from Operation: 39/13=3 Current State: 71:[54, 51, 3], Operations: ['39/13=3'] Exploring Operation: 51/3=17, Resulting Numbers: [54, 17] Generated Node #3: [54, 17] from Operation: 51/3=17 Current State: 71:[54, 17], Operations: ['39/13=3', '51/3=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[54, 13, 39, 51], Operations: [] Exploring Operation: 13+39=52, Resulting Numbers: [54, 51, 52] Generated Node #0,0: 71:[54, 51, 52] Operation: 13+39=52 Exploring Operation: 54+13=67, Resulting Numbers: [39, 51, 67] Generated Node #0,1: 71:[39, 51, 67] Operation: 54+13=67 Moving to Node #0,0 Current State: 71:[54, 51, 52], Operations: ['13+39=52'] Exploring Operation: 51+52=103, Resulting Numbers: [54, 103] Generated Node #0,0,0: 71:[54, 103] Operation: 51+52=103 Exploring Operation: 54+51=105, Resulting Numbers: [52, 105] Generated Node #0,0,1: 71:[52, 105] Operation: 54+51=105 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[54, 103], Operations: ['13+39=52', '51+52=103'] Exploring Operation: 103-54=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 54+103=157, Resulting Numbers: [157] 157,71 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 #0,0,1 Current State: 71:[52, 105], Operations: ['13+39=52', '54+51=105'] Exploring Operation: 105-52=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 52+105=157, Resulting Numbers: [157] 157,71 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: 71:[39, 51, 67], Operations: ['54+13=67'] Exploring Operation: 39+51=90, Resulting Numbers: [67, 90] Generated Node #0,1,0: 71:[67, 90] Operation: 39+51=90 Exploring Operation: 39+67=106, Resulting Numbers: [51, 106] Generated Node #0,1,1: 71:[51, 106] Operation: 39+67=106 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[67, 90], Operations: ['54+13=67', '39+51=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,71 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:[51, 106], Operations: ['54+13=67', '39+67=106'] Exploring Operation: 106-51=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 51+106=157, Resulting Numbers: [157] 157,71 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
[ 1, 56, 54, 55 ]
27
[ "1+56=57", "57-55=2", "54/2=27" ]
Current State: 27:[1, 56, 54, 55], Operations: [] Exploring Operation: 1+56=57, Resulting Numbers: [54, 55, 57] Generated Node #2: [54, 55, 57] from Operation: 1+56=57 Current State: 27:[54, 55, 57], Operations: ['1+56=57'] Exploring Operation: 57-55=2, Resulting Numbers: [54, 2] Generated Node #3: [54, 2] from Operation: 57-55=2 Current State: 27:[54, 2], Operations: ['1+56=57', '57-55=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[1, 56, 54, 55], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [1, 55, 2] Generated Node #0,0: 27:[1, 55, 2] Operation: 56-54=2 Exploring Operation: 56-55=1, Resulting Numbers: [1, 54, 1] Generated Node #0,1: 27:[1, 54, 1] Operation: 56-55=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[1, 55, 2], Operations: ['56-54=2'] Exploring Operation: 1+2=3, Resulting Numbers: [55, 3] Generated Node #0,0,0: 27:[55, 3] Operation: 1+2=3 Exploring Operation: 55-1=54, Resulting Numbers: [2, 54] Generated Node #0,0,1: 27:[2, 54] Operation: 55-1=54 Moving to Node #0,0,0 Current State: 27:[55, 3], Operations: ['56-54=2', '1+2=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[2, 54], Operations: ['56-54=2', '55-1=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[1, 56, 54, 55], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [1, 55, 2] Generated Node #0,0: 27:[1, 55, 2] Operation: 56-54=2 Moving to Node #0,0 Current State: 27:[1, 55, 2], Operations: ['56-54=2'] Exploring Operation: 55-1=54, Resulting Numbers: [2, 54] Generated Node #0,0,1: 27:[2, 54] Operation: 55-1=54 Moving to Node #0,0,1 Current State: 27:[2, 54], Operations: ['56-54=2', '55-1=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 2, 43, 5, 94 ]
27
[ "43-2=41", "94+41=135", "135/5=27" ]
Current State: 27:[2, 43, 5, 94], Operations: [] Exploring Operation: 43-2=41, Resulting Numbers: [5, 94, 41] Generated Node #2: [5, 94, 41] from Operation: 43-2=41 Current State: 27:[5, 94, 41], Operations: ['43-2=41'] Exploring Operation: 94+41=135, Resulting Numbers: [5, 135] Generated Node #3: [5, 135] from Operation: 94+41=135 Current State: 27:[5, 135], Operations: ['43-2=41', '94+41=135'] Exploring Operation: 135/5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 43, 5, 94], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [2, 5, 51] Generated Node #0,0: 27:[2, 5, 51] Operation: 94-43=51 Exploring Operation: 94/2=47, Resulting Numbers: [43, 5, 47] Generated Node #0,1: 27:[43, 5, 47] Operation: 94/2=47 Exploring Operation: 43-5=38, Resulting Numbers: [2, 94, 38] Generated Node #0,2: 27:[2, 94, 38] Operation: 43-5=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 5, 51], Operations: ['94-43=51'] Exploring Operation: 51-5=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 27:[2, 46] Operation: 51-5=46 Exploring Operation: 5-2=3, Resulting Numbers: [51, 3] Generated Node #0,0,1: 27:[51, 3] Operation: 5-2=3 Exploring Operation: 51-2=49, Resulting Numbers: [5, 49] Generated Node #0,0,2: 27:[5, 49] Operation: 51-2=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 46], Operations: ['94-43=51', '51-5=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[51, 3], Operations: ['94-43=51', '5-2=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[5, 49], Operations: ['94-43=51', '51-2=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[43, 5, 47], Operations: ['94/2=47'] Exploring Operation: 47-5=42, Resulting Numbers: [43, 42] Generated Node #0,1,0: 27:[43, 42] Operation: 47-5=42 Exploring Operation: 43-5=38, Resulting Numbers: [47, 38] Generated Node #0,1,1: 27:[47, 38] Operation: 43-5=38 Exploring Operation: 47-43=4, Resulting Numbers: [5, 4] Generated Node #0,1,2: 27:[5, 4] Operation: 47-43=4 Moving to Node #0,1,2 Current State: 27:[5, 4], Operations: ['94/2=47', '47-43=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[43, 42], Operations: ['94/2=47', '47-5=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,27 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[47, 38], Operations: ['94/2=47', '43-5=38'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,27 unequal: No Solution Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,27 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 #0,2 Current State: 27:[2, 94, 38], Operations: ['43-5=38'] Exploring Operation: 94/2=47, Resulting Numbers: [38, 47] Generated Node #0,2,0: 27:[38, 47] Operation: 94/2=47 Exploring Operation: 38/2=19, Resulting Numbers: [94, 19] Generated Node #0,2,1: 27:[94, 19] Operation: 38/2=19 Exploring Operation: 94-38=56, Resulting Numbers: [2, 56] Generated Node #0,2,2: 27:[2, 56] Operation: 94-38=56 Moving to Node #0,2,2 Current State: 27:[2, 56], Operations: ['43-5=38', '94-38=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[38, 47], Operations: ['43-5=38', '94/2=47'] Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,27 unequal: No Solution Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[94, 19], Operations: ['43-5=38', '38/2=19'] Exploring Operation: 94*19=1786, Resulting Numbers: [1786] 1786,27 unequal: No Solution Exploring Operation: 94+19=113, Resulting Numbers: [113] 113,27 unequal: No Solution Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,27 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
[ 18, 76, 48, 13 ]
93
[ "76-18=58", "48-13=35", "58+35=93" ]
Current State: 93:[18, 76, 48, 13], Operations: [] Exploring Operation: 76-18=58, Resulting Numbers: [48, 13, 58] Generated Node #2: [48, 13, 58] from Operation: 76-18=58 Current State: 93:[48, 13, 58], Operations: ['76-18=58'] Exploring Operation: 48-13=35, Resulting Numbers: [58, 35] Generated Node #3: [58, 35] from Operation: 48-13=35 Current State: 93:[58, 35], Operations: ['76-18=58', '48-13=35'] Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[18, 76, 48, 13], Operations: [] Exploring Operation: 18+76=94, Resulting Numbers: [48, 13, 94] Generated Node #0,0: 93:[48, 13, 94] Operation: 18+76=94 Exploring Operation: 76-48=28, Resulting Numbers: [18, 13, 28] Generated Node #0,1: 93:[18, 13, 28] Operation: 76-48=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[18, 13, 28], Operations: ['76-48=28'] Exploring Operation: 18-13=5, Resulting Numbers: [28, 5] Generated Node #0,1,0: 93:[28, 5] Operation: 18-13=5 Exploring Operation: 18+13=31, Resulting Numbers: [28, 31] Generated Node #0,1,1: 93:[28, 31] Operation: 18+13=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[28, 31], Operations: ['76-48=28', '18+13=31'] Exploring Operation: 28+31=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,93 unequal: No Solution No 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: 93:[28, 5], Operations: ['76-48=28', '18-13=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[48, 13, 94], Operations: ['18+76=94'] Exploring Operation: 48-13=35, Resulting Numbers: [94, 35] Generated Node #0,0,0: 93:[94, 35] Operation: 48-13=35 Exploring Operation: 94-48=46, Resulting Numbers: [13, 46] Generated Node #0,0,1: 93:[13, 46] Operation: 94-48=46 Moving to Node #0,0,0 Current State: 93:[94, 35], Operations: ['18+76=94', '48-13=35'] Exploring Operation: 94+35=129, Resulting Numbers: [129] 129,93 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[13, 46], Operations: ['18+76=94', '94-48=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,93 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
[ 5, 76, 70, 76 ]
66
[ "70-5=65", "76/76=1", "65+1=66" ]
Current State: 66:[5, 76, 70, 76], Operations: [] Exploring Operation: 70-5=65, Resulting Numbers: [76, 76, 65] Generated Node #2: [76, 76, 65] from Operation: 70-5=65 Current State: 66:[76, 76, 65], Operations: ['70-5=65'] Exploring Operation: 76/76=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 76/76=1 Current State: 66:[65, 1], Operations: ['70-5=65', '76/76=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[5, 76, 70, 76], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [5, 70, 1] Generated Node #0,0: 66:[5, 70, 1] Operation: 76/76=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[5, 70, 1], Operations: ['76/76=1'] Exploring Operation: 70-5=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 70-5=65 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['76/76=1', '70-5=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[5, 76, 70, 76], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [5, 70, 1] Generated Node #0,0: 66:[5, 70, 1] Operation: 76/76=1 Moving to Node #0,0 Current State: 66:[5, 70, 1], Operations: ['76/76=1'] Exploring Operation: 70-5=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 70-5=65 Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['76/76=1', '70-5=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 53, 35, 71, 33 ]
89
[ "35-33=2", "71*2=142", "142-53=89" ]
Current State: 89:[53, 35, 71, 33], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [53, 71, 2] Generated Node #2: [53, 71, 2] from Operation: 35-33=2 Current State: 89:[53, 71, 2], Operations: ['35-33=2'] Exploring Operation: 71*2=142, Resulting Numbers: [53, 142] Generated Node #3: [53, 142] from Operation: 71*2=142 Current State: 89:[53, 142], Operations: ['35-33=2', '71*2=142'] Exploring Operation: 142-53=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[53, 35, 71, 33], Operations: [] Exploring Operation: 53+35=88, Resulting Numbers: [71, 33, 88] Generated Node #0,0: 89:[71, 33, 88] Operation: 53+35=88 Exploring Operation: 53+33=86, Resulting Numbers: [35, 71, 86] Generated Node #0,1: 89:[35, 71, 86] Operation: 53+33=86 Moving to Node #0,0 Current State: 89:[71, 33, 88], Operations: ['53+35=88'] Exploring Operation: 71+33=104, Resulting Numbers: [88, 104] Generated Node #0,0,0: 89:[88, 104] Operation: 71+33=104 Exploring Operation: 33+88=121, Resulting Numbers: [71, 121] Generated Node #0,0,1: 89:[71, 121] Operation: 33+88=121 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[88, 104], Operations: ['53+35=88', '71+33=104'] Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,89 unequal: No Solution Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[71, 121], Operations: ['53+35=88', '33+88=121'] Exploring Operation: 71+121=192, Resulting Numbers: [192] 192,89 unequal: No Solution Exploring Operation: 121-71=50, Resulting Numbers: [50] 50,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 89:[35, 71, 86], Operations: ['53+33=86'] Exploring Operation: 35+86=121, Resulting Numbers: [71, 121] Generated Node #0,1,0: 89:[71, 121] Operation: 35+86=121 Exploring Operation: 35+71=106, Resulting Numbers: [86, 106] Generated Node #0,1,1: 89:[86, 106] Operation: 35+71=106 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[86, 106], Operations: ['53+33=86', '35+71=106'] Exploring Operation: 106-86=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 86+106=192, Resulting Numbers: [192] 192,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[71, 121], Operations: ['53+33=86', '35+86=121'] Exploring Operation: 71+121=192, Resulting Numbers: [192] 192,89 unequal: No Solution Exploring Operation: 121-71=50, Resulting Numbers: [50] 50,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 2, 24, 83 ]
77
[ "9*2=18", "83-24=59", "18+59=77" ]
Current State: 77:[9, 2, 24, 83], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [24, 83, 18] Generated Node #2: [24, 83, 18] from Operation: 9*2=18 Current State: 77:[24, 83, 18], Operations: ['9*2=18'] Exploring Operation: 83-24=59, Resulting Numbers: [18, 59] Generated Node #3: [18, 59] from Operation: 83-24=59 Current State: 77:[18, 59], Operations: ['9*2=18', '83-24=59'] Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[9, 2, 24, 83], Operations: [] Exploring Operation: 24-9=15, Resulting Numbers: [2, 83, 15] Generated Node #0,0: 77:[2, 83, 15] Operation: 24-9=15 Exploring Operation: 9+2=11, Resulting Numbers: [24, 83, 11] Generated Node #0,1: 77:[24, 83, 11] Operation: 9+2=11 Exploring Operation: 24/2=12, Resulting Numbers: [9, 83, 12] Generated Node #0,2: 77:[9, 83, 12] Operation: 24/2=12 Moving to Node #0,2 Current State: 77:[9, 83, 12], Operations: ['24/2=12'] Exploring Operation: 83-9=74, Resulting Numbers: [12, 74] Generated Node #0,2,0: 77:[12, 74] Operation: 83-9=74 Exploring Operation: 12-9=3, Resulting Numbers: [83, 3] Generated Node #0,2,1: 77:[83, 3] Operation: 12-9=3 Exploring Operation: 83-12=71, Resulting Numbers: [9, 71] Generated Node #0,2,2: 77:[9, 71] Operation: 83-12=71 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[12, 74], Operations: ['24/2=12', '83-9=74'] Exploring Operation: 12*74=888, Resulting Numbers: [888] 888,77 unequal: No Solution Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[9, 71], Operations: ['24/2=12', '83-12=71'] Exploring Operation: 9*71=639, Resulting Numbers: [639] 639,77 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,77 unequal: No Solution Exploring Operation: 9+71=80, Resulting Numbers: [80] 80,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[83, 3], Operations: ['24/2=12', '12-9=3'] Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,77 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,77 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: 77:[2, 83, 15], Operations: ['24-9=15'] Exploring Operation: 83-2=81, Resulting Numbers: [15, 81] Generated Node #0,0,0: 77:[15, 81] Operation: 83-2=81 Exploring Operation: 15-2=13, Resulting Numbers: [83, 13] Generated Node #0,0,1: 77:[83, 13] Operation: 15-2=13 Exploring Operation: 2+83=85, Resulting Numbers: [15, 85] Generated Node #0,0,2: 77:[15, 85] Operation: 2+83=85 Moving to Node #0,1 Current State: 77:[24, 83, 11], Operations: ['9+2=11'] Exploring Operation: 24-11=13, Resulting Numbers: [83, 13] Generated Node #0,1,0: 77:[83, 13] Operation: 24-11=13 Exploring Operation: 83-24=59, Resulting Numbers: [11, 59] Generated Node #0,1,1: 77:[11, 59] Operation: 83-24=59 Exploring Operation: 83-11=72, Resulting Numbers: [24, 72] Generated Node #0,1,2: 77:[24, 72] Operation: 83-11=72 Moving to Node #0,0,0 Current State: 77:[15, 81], Operations: ['24-9=15', '83-2=81'] Exploring Operation: 15+81=96, Resulting Numbers: [96] 96,77 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 15*81=1215, Resulting Numbers: [1215] 1215,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[83, 13], Operations: ['24-9=15', '15-2=13'] Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,77 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[83, 13], Operations: ['9+2=11', '24-11=13'] Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,77 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[15, 85], Operations: ['24-9=15', '2+83=85'] Exploring Operation: 15+85=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,77 unequal: No Solution Exploring Operation: 15*85=1275, Resulting Numbers: [1275] 1275,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[24, 72], Operations: ['9+2=11', '83-11=72'] Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,77 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[11, 59], Operations: ['9+2=11', '83-24=59'] Exploring Operation: 11*59=649, Resulting Numbers: [649] 649,77 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,77 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 41, 5, 79, 4 ]
35
[ "41+79=120", "120/4=30", "5+30=35" ]
Current State: 35:[41, 5, 79, 4], Operations: [] Exploring Operation: 41+79=120, Resulting Numbers: [5, 4, 120] Generated Node #2: [5, 4, 120] from Operation: 41+79=120 Current State: 35:[5, 4, 120], Operations: ['41+79=120'] Exploring Operation: 120/4=30, Resulting Numbers: [5, 30] Generated Node #3: [5, 30] from Operation: 120/4=30 Current State: 35:[5, 30], Operations: ['41+79=120', '120/4=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[41, 5, 79, 4], Operations: [] Exploring Operation: 41-5=36, Resulting Numbers: [79, 4, 36] Generated Node #0,0: 35:[79, 4, 36] Operation: 41-5=36 Exploring Operation: 79-5=74, Resulting Numbers: [41, 4, 74] Generated Node #0,1: 35:[41, 4, 74] Operation: 79-5=74 Exploring Operation: 79-41=38, Resulting Numbers: [5, 4, 38] Generated Node #0,2: 35:[5, 4, 38] Operation: 79-41=38 Exploring Operation: 41-4=37, Resulting Numbers: [5, 79, 37] Generated Node #0,3: 35:[5, 79, 37] Operation: 41-4=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[5, 4, 38], Operations: ['79-41=38'] Exploring Operation: 5-4=1, Resulting Numbers: [38, 1] Generated Node #0,2,0: 35:[38, 1] Operation: 5-4=1 Exploring Operation: 5+4=9, Resulting Numbers: [38, 9] Generated Node #0,2,1: 35:[38, 9] Operation: 5+4=9 Exploring Operation: 38-5=33, Resulting Numbers: [4, 33] Generated Node #0,2,2: 35:[4, 33] Operation: 38-5=33 Exploring Operation: 38-4=34, Resulting Numbers: [5, 34] Generated Node #0,2,3: 35:[5, 34] Operation: 38-4=34 Moving to Node #0,2,3 Current State: 35:[5, 34], Operations: ['79-41=38', '38-4=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,35 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[4, 33], Operations: ['79-41=38', '38-5=33'] Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[38, 9], Operations: ['79-41=38', '5+4=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 38*9=342, Resulting Numbers: [342] 342,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[38, 1], Operations: ['79-41=38', '5-4=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[79, 4, 36], Operations: ['41-5=36'] Exploring Operation: 79-4=75, Resulting Numbers: [36, 75] Generated Node #0,0,0: 35:[36, 75] Operation: 79-4=75 Exploring Operation: 36-4=32, Resulting Numbers: [79, 32] Generated Node #0,0,1: 35:[79, 32] Operation: 36-4=32 Exploring Operation: 36/4=9, Resulting Numbers: [79, 9] Generated Node #0,0,2: 35:[79, 9] Operation: 36/4=9 Exploring Operation: 79-36=43, Resulting Numbers: [4, 43] Generated Node #0,0,3: 35:[4, 43] Operation: 79-36=43 Moving to Node #0,0,3 Current State: 35:[4, 43], Operations: ['41-5=36', '79-36=43'] Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,35 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[36, 75], Operations: ['41-5=36', '79-4=75'] Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,35 unequal: No Solution Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[79, 9], Operations: ['41-5=36', '36/4=9'] Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,35 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[79, 32], Operations: ['41-5=36', '36-4=32'] Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,35 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[41, 4, 74], Operations: ['79-5=74'] Exploring Operation: 41-4=37, Resulting Numbers: [74, 37] Generated Node #0,1,0: 35:[74, 37] Operation: 41-4=37 Exploring Operation: 74-4=70, Resulting Numbers: [41, 70] Generated Node #0,1,1: 35:[41, 70] Operation: 74-4=70 Exploring Operation: 74-41=33, Resulting Numbers: [4, 33] Generated Node #0,1,2: 35:[4, 33] Operation: 74-41=33 Exploring Operation: 41+4=45, Resulting Numbers: [74, 45] Generated Node #0,1,3: 35:[74, 45] Operation: 41+4=45 Moving to Node #0,1,2 Current State: 35:[4, 33], Operations: ['79-5=74', '74-41=33'] Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[41, 70], Operations: ['79-5=74', '74-4=70'] Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[74, 37], Operations: ['79-5=74', '41-4=37'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,35 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[74, 45], Operations: ['79-5=74', '41+4=45'] Exploring Operation: 74*45=3330, Resulting Numbers: [3330] 3330,35 unequal: No Solution Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 74+45=119, Resulting Numbers: [119] 119,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[5, 79, 37], Operations: ['41-4=37'] Exploring Operation: 37-5=32, Resulting Numbers: [79, 32] Generated Node #0,3,0: 35:[79, 32] Operation: 37-5=32 Exploring Operation: 79-5=74, Resulting Numbers: [37, 74] Generated Node #0,3,1: 35:[37, 74] Operation: 79-5=74 Exploring Operation: 79-37=42, Resulting Numbers: [5, 42] Generated Node #0,3,2: 35:[5, 42] Operation: 79-37=42 Exploring Operation: 5+79=84, Resulting Numbers: [37, 84] Generated Node #0,3,3: 35:[37, 84] Operation: 5+79=84 Moving to Node #0,3,2 Current State: 35:[5, 42], Operations: ['41-4=37', '79-37=42'] Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,35 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[37, 74], Operations: ['41-4=37', '79-5=74'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 37+74=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 37*74=2738, Resulting Numbers: [2738] 2738,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[79, 32], Operations: ['41-4=37', '37-5=32'] Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,35 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[37, 84], Operations: ['41-4=37', '5+79=84'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,35 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,35 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
[ 74, 92, 10, 18 ]
63
[ "92+18=110", "110/10=11", "74-11=63" ]
Current State: 63:[74, 92, 10, 18], Operations: [] Exploring Operation: 92+18=110, Resulting Numbers: [74, 10, 110] Generated Node #2: [74, 10, 110] from Operation: 92+18=110 Current State: 63:[74, 10, 110], Operations: ['92+18=110'] Exploring Operation: 110/10=11, Resulting Numbers: [74, 11] Generated Node #3: [74, 11] from Operation: 110/10=11 Current State: 63:[74, 11], Operations: ['92+18=110', '110/10=11'] Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[74, 92, 10, 18], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [92, 18, 64] Generated Node #0,0: 63:[92, 18, 64] Operation: 74-10=64 Exploring Operation: 92-10=82, Resulting Numbers: [74, 18, 82] Generated Node #0,1: 63:[74, 18, 82] Operation: 92-10=82 Exploring Operation: 74-18=56, Resulting Numbers: [92, 10, 56] Generated Node #0,2: 63:[92, 10, 56] Operation: 74-18=56 Exploring Operation: 92-74=18, Resulting Numbers: [10, 18, 18] Generated Node #0,3: 63:[10, 18, 18] Operation: 92-74=18 Exploring Operation: 92-18=74, Resulting Numbers: [74, 10, 74] Generated Node #0,4: 63:[74, 10, 74] Operation: 92-18=74 Moving to Node #0,3 Current State: 63:[10, 18, 18], Operations: ['92-74=18'] Exploring Operation: 18/18=1, Resulting Numbers: [10, 1] Generated Node #0,3,0: 63:[10, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [10, 0] Generated Node #0,3,1: 63:[10, 0] Operation: 18-18=0 Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,3,2: 63:[18, 8] Operation: 18-10=8 Exploring Operation: 10+18=28, Resulting Numbers: [18, 28] Generated Node #0,3,3: 63:[18, 28] Operation: 10+18=28 Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,3,4: 63:[18, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[10, 1], Operations: ['92-74=18', '18/18=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[10, 0], Operations: ['92-74=18', '18-18=0'] Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[18, 8], Operations: ['92-74=18', '18-10=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,63 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 63:[18, 8], Operations: ['92-74=18', '18-10=8'] Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,63 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[18, 28], Operations: ['92-74=18', '10+18=28'] Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,63 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 63:[74, 10, 74], Operations: ['92-18=74'] Exploring Operation: 74-10=64, Resulting Numbers: [74, 64] Generated Node #0,4,0: 63:[74, 64] Operation: 74-10=64 Exploring Operation: 74/74=1, Resulting Numbers: [10, 1] Generated Node #0,4,1: 63:[10, 1] Operation: 74/74=1 Exploring Operation: 74+10=84, Resulting Numbers: [74, 84] Generated Node #0,4,2: 63:[74, 84] Operation: 74+10=84 Exploring Operation: 74-10=64, Resulting Numbers: [74, 64] Generated Node #0,4,3: 63:[74, 64] Operation: 74-10=64 Exploring Operation: 74-74=0, Resulting Numbers: [10, 0] Generated Node #0,4,4: 63:[10, 0] Operation: 74-74=0 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 63:[10, 1], Operations: ['92-18=74', '74/74=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 63:[10, 0], Operations: ['92-18=74', '74-74=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 63:[74, 64], Operations: ['92-18=74', '74-10=64'] Exploring Operation: 74+64=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 74*64=4736, Resulting Numbers: [4736] 4736,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 63:[74, 64], Operations: ['92-18=74', '74-10=64'] Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 74+64=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 74*64=4736, Resulting Numbers: [4736] 4736,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 63:[74, 84], Operations: ['92-18=74', '74+10=84'] Exploring Operation: 74*84=6216, Resulting Numbers: [6216] 6216,63 unequal: No Solution Exploring Operation: 74+84=158, Resulting Numbers: [158] 158,63 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,63 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: 63:[92, 18, 64], Operations: ['74-10=64'] Exploring Operation: 64-18=46, Resulting Numbers: [92, 46] Generated Node #0,0,0: 63:[92, 46] Operation: 64-18=46 Exploring Operation: 92-64=28, Resulting Numbers: [18, 28] Generated Node #0,0,1: 63:[18, 28] Operation: 92-64=28 Exploring Operation: 18+64=82, Resulting Numbers: [92, 82] Generated Node #0,0,2: 63:[92, 82] Operation: 18+64=82 Exploring Operation: 92+18=110, Resulting Numbers: [64, 110] Generated Node #0,0,3: 63:[64, 110] Operation: 92+18=110 Exploring Operation: 92-18=74, Resulting Numbers: [64, 74] Generated Node #0,0,4: 63:[64, 74] Operation: 92-18=74 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[18, 28], Operations: ['74-10=64', '92-64=28'] Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[64, 74], Operations: ['74-10=64', '92-18=74'] Exploring Operation: 64+74=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 64*74=4736, Resulting Numbers: [4736] 4736,63 unequal: No Solution Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[92, 46], Operations: ['74-10=64', '64-18=46'] Exploring Operation: 92-46=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 92/46=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 92+46=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 92*46=4232, Resulting Numbers: [4232] 4232,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[92, 82], Operations: ['74-10=64', '18+64=82'] Exploring Operation: 92*82=7544, Resulting Numbers: [7544] 7544,63 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 92+82=174, Resulting Numbers: [174] 174,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[64, 110], Operations: ['74-10=64', '92+18=110'] Exploring Operation: 64+110=174, Resulting Numbers: [174] 174,63 unequal: No Solution Exploring Operation: 64*110=7040, Resulting Numbers: [7040] 7040,63 unequal: No Solution Exploring Operation: 110-64=46, Resulting Numbers: [46] 46,63 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: 63:[74, 18, 82], Operations: ['92-10=82'] Exploring Operation: 82-18=64, Resulting Numbers: [74, 64] Generated Node #0,1,0: 63:[74, 64] Operation: 82-18=64 Exploring Operation: 74+18=92, Resulting Numbers: [82, 92] Generated Node #0,1,1: 63:[82, 92] Operation: 74+18=92 Exploring Operation: 82-74=8, Resulting Numbers: [18, 8] Generated Node #0,1,2: 63:[18, 8] Operation: 82-74=8 Exploring Operation: 18+82=100, Resulting Numbers: [74, 100] Generated Node #0,1,3: 63:[74, 100] Operation: 18+82=100 Exploring Operation: 74-18=56, Resulting Numbers: [82, 56] Generated Node #0,1,4: 63:[82, 56] Operation: 74-18=56 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[18, 8], Operations: ['92-10=82', '82-74=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[74, 64], Operations: ['92-10=82', '82-18=64'] Exploring Operation: 74+64=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 74*64=4736, Resulting Numbers: [4736] 4736,63 unequal: No Solution Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 63:[82, 56], Operations: ['92-10=82', '74-18=56'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,63 unequal: No Solution Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[82, 92], Operations: ['92-10=82', '74+18=92'] Exploring Operation: 82*92=7544, Resulting Numbers: [7544] 7544,63 unequal: No Solution Exploring Operation: 82+92=174, Resulting Numbers: [174] 174,63 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[74, 100], Operations: ['92-10=82', '18+82=100'] Exploring Operation: 74+100=174, Resulting Numbers: [174] 174,63 unequal: No Solution Exploring Operation: 74*100=7400, Resulting Numbers: [7400] 7400,63 unequal: No Solution Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 63:[92, 10, 56], Operations: ['74-18=56'] Exploring Operation: 56-10=46, Resulting Numbers: [92, 46] Generated Node #0,2,0: 63:[92, 46] Operation: 56-10=46 Exploring Operation: 10+56=66, Resulting Numbers: [92, 66] Generated Node #0,2,1: 63:[92, 66] Operation: 10+56=66 Exploring Operation: 92-10=82, Resulting Numbers: [56, 82] Generated Node #0,2,2: 63:[56, 82] Operation: 92-10=82 Exploring Operation: 92-56=36, Resulting Numbers: [10, 36] Generated Node #0,2,3: 63:[10, 36] Operation: 92-56=36 Exploring Operation: 92+10=102, Resulting Numbers: [56, 102] Generated Node #0,2,4: 63:[56, 102] Operation: 92+10=102 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 63:[10, 36], Operations: ['74-18=56', '92-56=36'] Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[56, 82], Operations: ['74-18=56', '92-10=82'] Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 63:[92, 66], Operations: ['74-18=56', '10+56=66'] Exploring Operation: 92+66=158, Resulting Numbers: [158] 158,63 unequal: No Solution Exploring Operation: 92*66=6072, Resulting Numbers: [6072] 6072,63 unequal: No Solution Exploring Operation: 92-66=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[92, 46], Operations: ['74-18=56', '56-10=46'] Exploring Operation: 92-46=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 92+46=138, Resulting Numbers: [138] 138,63 unequal: No Solution Exploring Operation: 92*46=4232, Resulting Numbers: [4232] 4232,63 unequal: No Solution Exploring Operation: 92/46=2, Resulting Numbers: [2] 2,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 63:[56, 102], Operations: ['74-18=56', '92+10=102'] Exploring Operation: 56+102=158, Resulting Numbers: [158] 158,63 unequal: No Solution Exploring Operation: 56*102=5712, Resulting Numbers: [5712] 5712,63 unequal: No Solution Exploring Operation: 102-56=46, Resulting Numbers: [46] 46,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 15, 40, 43, 50 ]
55
[ "15*40=600", "600/50=12", "43+12=55" ]
Current State: 55:[15, 40, 43, 50], Operations: [] Exploring Operation: 15*40=600, Resulting Numbers: [43, 50, 600] Generated Node #2: [43, 50, 600] from Operation: 15*40=600 Current State: 55:[43, 50, 600], Operations: ['15*40=600'] Exploring Operation: 600/50=12, Resulting Numbers: [43, 12] Generated Node #3: [43, 12] from Operation: 600/50=12 Current State: 55:[43, 12], Operations: ['15*40=600', '600/50=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[15, 40, 43, 50], Operations: [] Exploring Operation: 15+40=55, Resulting Numbers: [43, 50, 55] Generated Node #0,0: 55:[43, 50, 55] Operation: 15+40=55 Exploring Operation: 43-40=3, Resulting Numbers: [15, 50, 3] Generated Node #0,1: 55:[15, 50, 3] Operation: 43-40=3 Exploring Operation: 50-40=10, Resulting Numbers: [15, 43, 10] Generated Node #0,2: 55:[15, 43, 10] Operation: 50-40=10 Moving to Node #0,1 Current State: 55:[15, 50, 3], Operations: ['43-40=3'] Exploring Operation: 50+3=53, Resulting Numbers: [15, 53] Generated Node #0,1,0: 55:[15, 53] Operation: 50+3=53 Exploring Operation: 15-3=12, Resulting Numbers: [50, 12] Generated Node #0,1,1: 55:[50, 12] Operation: 15-3=12 Exploring Operation: 15/3=5, Resulting Numbers: [50, 5] Generated Node #0,1,2: 55:[50, 5] Operation: 15/3=5 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[50, 5], Operations: ['43-40=3', '15/3=5'] Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[15, 40, 43, 50], Operations: [] Exploring Operation: 43-40=3, Resulting Numbers: [15, 50, 3] Generated Node #0,1: 55:[15, 50, 3] Operation: 43-40=3 Moving to Node #0,1 Current State: 55:[15, 50, 3], Operations: ['43-40=3'] Exploring Operation: 15/3=5, Resulting Numbers: [50, 5] Generated Node #0,1,2: 55:[50, 5] Operation: 15/3=5 Moving to Node #0,1,2 Current State: 55:[50, 5], Operations: ['43-40=3', '15/3=5'] Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 61, 70, 47, 4 ]
42
[ "70-61=9", "47+4=51", "51-9=42" ]
Current State: 42:[61, 70, 47, 4], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [47, 4, 9] Generated Node #2: [47, 4, 9] from Operation: 70-61=9 Current State: 42:[47, 4, 9], Operations: ['70-61=9'] Exploring Operation: 47+4=51, Resulting Numbers: [9, 51] Generated Node #3: [9, 51] from Operation: 47+4=51 Current State: 42:[9, 51], Operations: ['70-61=9', '47+4=51'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[61, 70, 47, 4], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [70, 4, 14] Generated Node #0,0: 42:[70, 4, 14] Operation: 61-47=14 Exploring Operation: 70-47=23, Resulting Numbers: [61, 4, 23] Generated Node #0,1: 42:[61, 4, 23] Operation: 70-47=23 Exploring Operation: 70-61=9, Resulting Numbers: [47, 4, 9] Generated Node #0,2: 42:[47, 4, 9] Operation: 70-61=9 Moving to Node #0,2 Current State: 42:[47, 4, 9], Operations: ['70-61=9'] Exploring Operation: 47-9=38, Resulting Numbers: [4, 38] Generated Node #0,2,0: 42:[4, 38] Operation: 47-9=38 Exploring Operation: 4+9=13, Resulting Numbers: [47, 13] Generated Node #0,2,1: 42:[47, 13] Operation: 4+9=13 Exploring Operation: 47-4=43, Resulting Numbers: [9, 43] Generated Node #0,2,2: 42:[9, 43] Operation: 47-4=43 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[9, 43], Operations: ['70-61=9', '47-4=43'] Exploring Operation: 9*43=387, Resulting Numbers: [387] 387,42 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[4, 38], Operations: ['70-61=9', '47-9=38'] Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,42 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[61, 70, 47, 4], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [47, 4, 9] Generated Node #0,2: 42:[47, 4, 9] Operation: 70-61=9 Moving to Node #0,2 Current State: 42:[47, 4, 9], Operations: ['70-61=9'] Exploring Operation: 47-9=38, Resulting Numbers: [4, 38] Generated Node #0,2,0: 42:[4, 38] Operation: 47-9=38 Moving to Node #0,2,0 Current State: 42:[4, 38], Operations: ['70-61=9', '47-9=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 73, 45, 23, 67 ]
75
[ "23+67=90", "90/45=2", "73+2=75" ]
Current State: 75:[73, 45, 23, 67], Operations: [] Exploring Operation: 23+67=90, Resulting Numbers: [73, 45, 90] Generated Node #2: [73, 45, 90] from Operation: 23+67=90 Current State: 75:[73, 45, 90], Operations: ['23+67=90'] Exploring Operation: 90/45=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 90/45=2 Current State: 75:[73, 2], Operations: ['23+67=90', '90/45=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[73, 45, 23, 67], Operations: [] Exploring Operation: 45+23=68, Resulting Numbers: [73, 67, 68] Generated Node #0,0: 75:[73, 67, 68] Operation: 45+23=68 Exploring Operation: 45-23=22, Resulting Numbers: [73, 67, 22] Generated Node #0,1: 75:[73, 67, 22] Operation: 45-23=22 Exploring Operation: 73-45=28, Resulting Numbers: [23, 67, 28] Generated Node #0,2: 75:[23, 67, 28] Operation: 73-45=28 Exploring Operation: 67-45=22, Resulting Numbers: [73, 23, 22] Generated Node #0,3: 75:[73, 23, 22] Operation: 67-45=22 Moving to Node #0,3 Current State: 75:[73, 23, 22], Operations: ['67-45=22'] Exploring Operation: 23-22=1, Resulting Numbers: [73, 1] Generated Node #0,3,0: 75:[73, 1] Operation: 23-22=1 Exploring Operation: 23+22=45, Resulting Numbers: [73, 45] Generated Node #0,3,1: 75:[73, 45] Operation: 23+22=45 Exploring Operation: 73+22=95, Resulting Numbers: [23, 95] Generated Node #0,3,2: 75:[23, 95] Operation: 73+22=95 Exploring Operation: 73+23=96, Resulting Numbers: [22, 96] Generated Node #0,3,3: 75:[22, 96] Operation: 73+23=96 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[73, 1], Operations: ['67-45=22', '23-22=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,75 unequal: No Solution Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,75 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 #0,3,1 Current State: 75:[73, 45], Operations: ['67-45=22', '23+22=45'] Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,75 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,75 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 #0,3,2 Current State: 75:[23, 95], Operations: ['67-45=22', '73+22=95'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 23*95=2185, Resulting Numbers: [2185] 2185,75 unequal: No Solution Exploring Operation: 23+95=118, Resulting Numbers: [118] 118,75 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 #0,3,3 Current State: 75:[22, 96], Operations: ['67-45=22', '73+23=96'] Exploring Operation: 22*96=2112, Resulting Numbers: [2112] 2112,75 unequal: No Solution Exploring Operation: 22+96=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,75 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: 75:[23, 67, 28], Operations: ['73-45=28'] Exploring Operation: 67-28=39, Resulting Numbers: [23, 39] Generated Node #0,2,0: 75:[23, 39] Operation: 67-28=39 Exploring Operation: 67-23=44, Resulting Numbers: [28, 44] Generated Node #0,2,1: 75:[28, 44] Operation: 67-23=44 Exploring Operation: 23+67=90, Resulting Numbers: [28, 90] Generated Node #0,2,2: 75:[28, 90] Operation: 23+67=90 Exploring Operation: 28-23=5, Resulting Numbers: [67, 5] Generated Node #0,2,3: 75:[67, 5] Operation: 28-23=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 75:[67, 5], Operations: ['73-45=28', '28-23=5'] Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,75 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[23, 39], Operations: ['73-45=28', '67-28=39'] Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,75 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[28, 90], Operations: ['73-45=28', '23+67=90'] Exploring Operation: 28+90=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 28*90=2520, Resulting Numbers: [2520] 2520,75 unequal: No Solution Exploring Operation: 90-28=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[28, 44], Operations: ['73-45=28', '67-23=44'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,75 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,75 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: 75:[73, 67, 22], Operations: ['45-23=22'] Exploring Operation: 73+22=95, Resulting Numbers: [67, 95] Generated Node #0,1,0: 75:[67, 95] Operation: 73+22=95 Exploring Operation: 73-67=6, Resulting Numbers: [22, 6] Generated Node #0,1,1: 75:[22, 6] Operation: 73-67=6 Exploring Operation: 67-22=45, Resulting Numbers: [73, 45] Generated Node #0,1,2: 75:[73, 45] Operation: 67-22=45 Exploring Operation: 67+22=89, Resulting Numbers: [73, 89] Generated Node #0,1,3: 75:[73, 89] Operation: 67+22=89 Moving to Node #0,0 Current State: 75:[73, 67, 68], Operations: ['45+23=68'] Exploring Operation: 68-67=1, Resulting Numbers: [73, 1] Generated Node #0,0,0: 75:[73, 1] Operation: 68-67=1 Exploring Operation: 67+68=135, Resulting Numbers: [73, 135] Generated Node #0,0,1: 75:[73, 135] Operation: 67+68=135 Exploring Operation: 73-67=6, Resulting Numbers: [68, 6] Generated Node #0,0,2: 75:[68, 6] Operation: 73-67=6 Exploring Operation: 73-68=5, Resulting Numbers: [67, 5] Generated Node #0,0,3: 75:[67, 5] Operation: 73-68=5 Moving to Node #0,1,1 Current State: 75:[22, 6], Operations: ['45-23=22', '73-67=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[73, 1], Operations: ['45+23=68', '68-67=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,75 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[68, 6], Operations: ['45+23=68', '73-67=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[67, 5], Operations: ['45+23=68', '73-68=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[73, 89], Operations: ['45-23=22', '67+22=89'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,75 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[73, 45], Operations: ['45-23=22', '67-22=45'] Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,75 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[67, 95], Operations: ['45-23=22', '73+22=95'] Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 67*95=6365, Resulting Numbers: [6365] 6365,75 unequal: No Solution Exploring Operation: 67+95=162, Resulting Numbers: [162] 162,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[73, 135], Operations: ['45+23=68', '67+68=135'] Exploring Operation: 73+135=208, Resulting Numbers: [208] 208,75 unequal: No Solution Exploring Operation: 73*135=9855, Resulting Numbers: [9855] 9855,75 unequal: No Solution Exploring Operation: 135-73=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 3, 43, 85, 94 ]
55
[ "3+43=46", "94-85=9", "46+9=55" ]
Current State: 55:[3, 43, 85, 94], Operations: [] Exploring Operation: 3+43=46, Resulting Numbers: [85, 94, 46] Generated Node #2: [85, 94, 46] from Operation: 3+43=46 Current State: 55:[85, 94, 46], Operations: ['3+43=46'] Exploring Operation: 94-85=9, Resulting Numbers: [46, 9] Generated Node #3: [46, 9] from Operation: 94-85=9 Current State: 55:[46, 9], Operations: ['3+43=46', '94-85=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[3, 43, 85, 94], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [3, 43, 9] Generated Node #0,0: 55:[3, 43, 9] Operation: 94-85=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[3, 43, 9], Operations: ['94-85=9'] Exploring Operation: 43+9=52, Resulting Numbers: [3, 52] Generated Node #0,0,0: 55:[3, 52] Operation: 43+9=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[3, 52], Operations: ['94-85=9', '43+9=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[3, 43, 85, 94], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [3, 43, 9] Generated Node #0,0: 55:[3, 43, 9] Operation: 94-85=9 Moving to Node #0,0 Current State: 55:[3, 43, 9], Operations: ['94-85=9'] Exploring Operation: 43+9=52, Resulting Numbers: [3, 52] Generated Node #0,0,0: 55:[3, 52] Operation: 43+9=52 Moving to Node #0,0,0 Current State: 55:[3, 52], Operations: ['94-85=9', '43+9=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 47, 94, 97 ]
44
[ "46*97=4462", "47*94=4418", "4462-4418=44" ]
Current State: 44:[46, 47, 94, 97], Operations: [] Exploring Operation: 46*97=4462, Resulting Numbers: [47, 94, 4462] Generated Node #2: [47, 94, 4462] from Operation: 46*97=4462 Current State: 44:[47, 94, 4462], Operations: ['46*97=4462'] Exploring Operation: 47*94=4418, Resulting Numbers: [4462, 4418] Generated Node #3: [4462, 4418] from Operation: 47*94=4418 Current State: 44:[4462, 4418], Operations: ['46*97=4462', '47*94=4418'] Exploring Operation: 4462-4418=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[46, 47, 94, 97], Operations: [] Exploring Operation: 94-47=47, Resulting Numbers: [46, 97, 47] Generated Node #0,0: 44:[46, 97, 47] Operation: 94-47=47 Exploring Operation: 97-94=3, Resulting Numbers: [46, 47, 3] Generated Node #0,1: 44:[46, 47, 3] Operation: 97-94=3 Exploring Operation: 97-47=50, Resulting Numbers: [46, 94, 50] Generated Node #0,2: 44:[46, 94, 50] Operation: 97-47=50 Exploring Operation: 94/47=2, Resulting Numbers: [46, 97, 2] Generated Node #0,3: 44:[46, 97, 2] Operation: 94/47=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[46, 47, 3], Operations: ['97-94=3'] Exploring Operation: 46-3=43, Resulting Numbers: [47, 43] Generated Node #0,1,0: 44:[47, 43] Operation: 46-3=43 Exploring Operation: 46+3=49, Resulting Numbers: [47, 49] Generated Node #0,1,1: 44:[47, 49] Operation: 46+3=49 Exploring Operation: 47-3=44, Resulting Numbers: [46, 44] Generated Node #0,1,2: 44:[46, 44] Operation: 47-3=44 Exploring Operation: 47-46=1, Resulting Numbers: [3, 1] Generated Node #0,1,3: 44:[3, 1] Operation: 47-46=1 Moving to Node #0,1,2 Current State: 44:[46, 44], Operations: ['97-94=3', '47-3=44'] Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[3, 1], Operations: ['97-94=3', '47-46=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[47, 43], Operations: ['97-94=3', '46-3=43'] Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[47, 49], Operations: ['97-94=3', '46+3=49'] Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,44 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,44 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 #0,3 Current State: 44:[46, 97, 2], Operations: ['94/47=2'] Exploring Operation: 46/2=23, Resulting Numbers: [97, 23] Generated Node #0,3,0: 44:[97, 23] Operation: 46/2=23 Exploring Operation: 97-46=51, Resulting Numbers: [2, 51] Generated Node #0,3,1: 44:[2, 51] Operation: 97-46=51 Exploring Operation: 97-2=95, Resulting Numbers: [46, 95] Generated Node #0,3,2: 44:[46, 95] Operation: 97-2=95 Exploring Operation: 46-2=44, Resulting Numbers: [97, 44] Generated Node #0,3,3: 44:[97, 44] Operation: 46-2=44 Moving to Node #0,3,1 Current State: 44:[2, 51], Operations: ['94/47=2', '97-46=51'] Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,44 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,44 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[97, 44], Operations: ['94/47=2', '46-2=44'] Exploring Operation: 97*44=4268, Resulting Numbers: [4268] 4268,44 unequal: No Solution Exploring Operation: 97+44=141, Resulting Numbers: [141] 141,44 unequal: No Solution Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,44 unequal: No Solution Moving to Node #0,3,2 Current State: 44:[46, 95], Operations: ['94/47=2', '97-2=95'] Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,44 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[97, 23], Operations: ['94/47=2', '46/2=23'] Exploring Operation: 97+23=120, Resulting Numbers: [120] 120,44 unequal: No Solution Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,44 unequal: No Solution Exploring Operation: 97*23=2231, Resulting Numbers: [2231] 2231,44 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 Current State: 44:[46, 97, 47], Operations: ['94-47=47'] Exploring Operation: 47-46=1, Resulting Numbers: [97, 1] Generated Node #0,0,0: 44:[97, 1] Operation: 47-46=1 Exploring Operation: 97-47=50, Resulting Numbers: [46, 50] Generated Node #0,0,1: 44:[46, 50] Operation: 97-47=50 Exploring Operation: 46+97=143, Resulting Numbers: [47, 143] Generated Node #0,0,2: 44:[47, 143] Operation: 46+97=143 Exploring Operation: 97-46=51, Resulting Numbers: [47, 51] Generated Node #0,0,3: 44:[47, 51] Operation: 97-46=51 Moving to Node #0,0,1 Current State: 44:[46, 50], Operations: ['94-47=47', '97-47=50'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 46*50=2300, Resulting Numbers: [2300] 2300,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[47, 51], Operations: ['94-47=47', '97-46=51'] Exploring Operation: 47*51=2397, Resulting Numbers: [2397] 2397,44 unequal: No Solution Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 47+51=98, Resulting Numbers: [98] 98,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[97, 1], Operations: ['94-47=47', '47-46=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,44 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,44 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[47, 143], Operations: ['94-47=47', '46+97=143'] Exploring Operation: 47+143=190, Resulting Numbers: [190] 190,44 unequal: No Solution Exploring Operation: 143-47=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 47*143=6721, Resulting Numbers: [6721] 6721,44 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 #0,2 Current State: 44:[46, 94, 50], Operations: ['97-47=50'] Exploring Operation: 94-46=48, Resulting Numbers: [50, 48] Generated Node #0,2,0: 44:[50, 48] Operation: 94-46=48 Exploring Operation: 94-50=44, Resulting Numbers: [46, 44] Generated Node #0,2,1: 44:[46, 44] Operation: 94-50=44 Exploring Operation: 46+94=140, Resulting Numbers: [50, 140] Generated Node #0,2,2: 44:[50, 140] Operation: 46+94=140 Exploring Operation: 50-46=4, Resulting Numbers: [94, 4] Generated Node #0,2,3: 44:[94, 4] Operation: 50-46=4 Moving to Node #0,2,1 Current State: 44:[46, 44], Operations: ['97-47=50', '94-50=44'] Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[50, 48], Operations: ['97-47=50', '94-46=48'] Exploring Operation: 50*48=2400, Resulting Numbers: [2400] 2400,44 unequal: No Solution Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,44 unequal: No Solution Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[94, 4], Operations: ['97-47=50', '50-46=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,44 unequal: No Solution Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[50, 140], Operations: ['97-47=50', '46+94=140'] Exploring Operation: 50*140=7000, Resulting Numbers: [7000] 7000,44 unequal: No Solution Exploring Operation: 50+140=190, Resulting Numbers: [190] 190,44 unequal: No Solution Exploring Operation: 140-50=90, Resulting Numbers: [90] 90,44 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
[ 85, 1, 33, 58 ]
59
[ "85-1=84", "58-33=25", "84-25=59" ]
Current State: 59:[85, 1, 33, 58], Operations: [] Exploring Operation: 85-1=84, Resulting Numbers: [33, 58, 84] Generated Node #2: [33, 58, 84] from Operation: 85-1=84 Current State: 59:[33, 58, 84], Operations: ['85-1=84'] Exploring Operation: 58-33=25, Resulting Numbers: [84, 25] Generated Node #3: [84, 25] from Operation: 58-33=25 Current State: 59:[84, 25], Operations: ['85-1=84', '58-33=25'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[85, 1, 33, 58], Operations: [] Exploring Operation: 85-1=84, Resulting Numbers: [33, 58, 84] Generated Node #0,0: 59:[33, 58, 84] Operation: 85-1=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[33, 58, 84], Operations: ['85-1=84'] Exploring Operation: 84-33=51, Resulting Numbers: [58, 51] Generated Node #0,0,0: 59:[58, 51] Operation: 84-33=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[58, 51], Operations: ['85-1=84', '84-33=51'] Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,59 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 No solution found.
0
hs_1
mult_heuristic
[ 25, 4, 42, 93 ]
100
[ "93-25=68", "4*42=168", "168-68=100" ]
Current State: 100:[25, 4, 42, 93], Operations: [] Exploring Operation: 93-25=68, Resulting Numbers: [4, 42, 68] Generated Node #2: [4, 42, 68] from Operation: 93-25=68 Current State: 100:[4, 42, 68], Operations: ['93-25=68'] Exploring Operation: 4*42=168, Resulting Numbers: [68, 168] Generated Node #3: [68, 168] from Operation: 4*42=168 Current State: 100:[68, 168], Operations: ['93-25=68', '4*42=168'] Exploring Operation: 168-68=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[25, 4, 42, 93], Operations: [] Exploring Operation: 93-42=51, Resulting Numbers: [25, 4, 51] Generated Node #0,0: 100:[25, 4, 51] Operation: 93-42=51 Exploring Operation: 4+93=97, Resulting Numbers: [25, 42, 97] Generated Node #0,1: 100:[25, 42, 97] Operation: 4+93=97 Exploring Operation: 42-25=17, Resulting Numbers: [4, 93, 17] Generated Node #0,2: 100:[4, 93, 17] Operation: 42-25=17 Exploring Operation: 4+42=46, Resulting Numbers: [25, 93, 46] Generated Node #0,3: 100:[25, 93, 46] Operation: 4+42=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[25, 4, 51], Operations: ['93-42=51'] Exploring Operation: 51-4=47, Resulting Numbers: [25, 47] Generated Node #0,0,0: 100:[25, 47] Operation: 51-4=47 Exploring Operation: 51-25=26, Resulting Numbers: [4, 26] Generated Node #0,0,1: 100:[4, 26] Operation: 51-25=26 Exploring Operation: 25-4=21, Resulting Numbers: [51, 21] Generated Node #0,0,2: 100:[51, 21] Operation: 25-4=21 Exploring Operation: 25*4=100, Resulting Numbers: [51, 100] Generated Node #0,0,3: 100:[51, 100] Operation: 25*4=100 Moving to Node #0,0,1 Current State: 100:[4, 26], Operations: ['93-42=51', '51-25=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[51, 100], Operations: ['93-42=51', '25*4=100'] Exploring Operation: 51*100=5100, Resulting Numbers: [5100] 5100,100 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 51+100=151, Resulting Numbers: [151] 151,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[51, 21], Operations: ['93-42=51', '25-4=21'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[25, 47], Operations: ['93-42=51', '51-4=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,100 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[4, 93, 17], Operations: ['42-25=17'] Exploring Operation: 17-4=13, Resulting Numbers: [93, 13] Generated Node #0,2,0: 100:[93, 13] Operation: 17-4=13 Exploring Operation: 93+17=110, Resulting Numbers: [4, 110] Generated Node #0,2,1: 100:[4, 110] Operation: 93+17=110 Exploring Operation: 4+17=21, Resulting Numbers: [93, 21] Generated Node #0,2,2: 100:[93, 21] Operation: 4+17=21 Exploring Operation: 4+93=97, Resulting Numbers: [17, 97] Generated Node #0,2,3: 100:[17, 97] Operation: 4+93=97 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[17, 97], Operations: ['42-25=17', '4+93=97'] Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 17*97=1649, Resulting Numbers: [1649] 1649,100 unequal: No Solution Exploring Operation: 17+97=114, Resulting Numbers: [114] 114,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[93, 21], Operations: ['42-25=17', '4+17=21'] Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,100 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,100 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[93, 13], Operations: ['42-25=17', '17-4=13'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,100 unequal: No Solution Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[4, 110], Operations: ['42-25=17', '93+17=110'] Exploring Operation: 110-4=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 4+110=114, Resulting Numbers: [114] 114,100 unequal: No Solution Exploring Operation: 4*110=440, Resulting Numbers: [440] 440,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[25, 42, 97], Operations: ['4+93=97'] Exploring Operation: 25+97=122, Resulting Numbers: [42, 122] Generated Node #0,1,0: 100:[42, 122] Operation: 25+97=122 Exploring Operation: 97-42=55, Resulting Numbers: [25, 55] Generated Node #0,1,1: 100:[25, 55] Operation: 97-42=55 Exploring Operation: 42-25=17, Resulting Numbers: [97, 17] Generated Node #0,1,2: 100:[97, 17] Operation: 42-25=17 Exploring Operation: 25+42=67, Resulting Numbers: [97, 67] Generated Node #0,1,3: 100:[97, 67] Operation: 25+42=67 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[25, 55], Operations: ['4+93=97', '97-42=55'] Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,100 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[97, 17], Operations: ['4+93=97', '42-25=17'] Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,100 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 100:[97, 67], Operations: ['4+93=97', '25+42=67'] Exploring Operation: 97-67=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 97*67=6499, Resulting Numbers: [6499] 6499,100 unequal: No Solution Exploring Operation: 97+67=164, Resulting Numbers: [164] 164,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[42, 122], Operations: ['4+93=97', '25+97=122'] Exploring Operation: 122-42=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 42+122=164, Resulting Numbers: [164] 164,100 unequal: No Solution Exploring Operation: 42*122=5124, Resulting Numbers: [5124] 5124,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[25, 93, 46], Operations: ['4+42=46'] Exploring Operation: 46-25=21, Resulting Numbers: [93, 21] Generated Node #0,3,0: 100:[93, 21] Operation: 46-25=21 Exploring Operation: 93-25=68, Resulting Numbers: [46, 68] Generated Node #0,3,1: 100:[46, 68] Operation: 93-25=68 Exploring Operation: 93-46=47, Resulting Numbers: [25, 47] Generated Node #0,3,2: 100:[25, 47] Operation: 93-46=47 Exploring Operation: 25+93=118, Resulting Numbers: [46, 118] Generated Node #0,3,3: 100:[46, 118] Operation: 25+93=118 Moving to Node #0,3,2 Current State: 100:[25, 47], Operations: ['4+42=46', '93-46=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[93, 21], Operations: ['4+42=46', '46-25=21'] Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,100 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[46, 118], Operations: ['4+42=46', '25+93=118'] Exploring Operation: 118-46=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 46+118=164, Resulting Numbers: [164] 164,100 unequal: No Solution Exploring Operation: 46*118=5428, Resulting Numbers: [5428] 5428,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[46, 68], Operations: ['4+42=46', '93-25=68'] Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,100 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,100 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
[ 13, 71, 7, 2 ]
72
[ "71-13=58", "7*2=14", "58+14=72" ]
Current State: 72:[13, 71, 7, 2], Operations: [] Exploring Operation: 71-13=58, Resulting Numbers: [7, 2, 58] Generated Node #2: [7, 2, 58] from Operation: 71-13=58 Current State: 72:[7, 2, 58], Operations: ['71-13=58'] Exploring Operation: 7*2=14, Resulting Numbers: [58, 14] Generated Node #3: [58, 14] from Operation: 7*2=14 Current State: 72:[58, 14], Operations: ['71-13=58', '7*2=14'] Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[13, 71, 7, 2], Operations: [] Exploring Operation: 7+2=9, Resulting Numbers: [13, 71, 9] Generated Node #0,0: 72:[13, 71, 9] Operation: 7+2=9 Exploring Operation: 13-7=6, Resulting Numbers: [71, 2, 6] Generated Node #0,1: 72:[71, 2, 6] Operation: 13-7=6 Exploring Operation: 13-2=11, Resulting Numbers: [71, 7, 11] Generated Node #0,2: 72:[71, 7, 11] Operation: 13-2=11 Exploring Operation: 13+7=20, Resulting Numbers: [71, 2, 20] Generated Node #0,3: 72:[71, 2, 20] Operation: 13+7=20 Moving to Node #0,1 Current State: 72:[71, 2, 6], Operations: ['13-7=6'] Exploring Operation: 71+2=73, Resulting Numbers: [6, 73] Generated Node #0,1,0: 72:[6, 73] Operation: 71+2=73 Exploring Operation: 2+6=8, Resulting Numbers: [71, 8] Generated Node #0,1,1: 72:[71, 8] Operation: 2+6=8 Exploring Operation: 6-2=4, Resulting Numbers: [71, 4] Generated Node #0,1,2: 72:[71, 4] Operation: 6-2=4 Exploring Operation: 2*6=12, Resulting Numbers: [71, 12] Generated Node #0,1,3: 72:[71, 12] Operation: 2*6=12 Moving to Node #0,0 Current State: 72:[13, 71, 9], Operations: ['7+2=9'] Exploring Operation: 71+9=80, Resulting Numbers: [13, 80] Generated Node #0,0,0: 72:[13, 80] Operation: 71+9=80 Exploring Operation: 71-9=62, Resulting Numbers: [13, 62] Generated Node #0,0,1: 72:[13, 62] Operation: 71-9=62 Exploring Operation: 13-9=4, Resulting Numbers: [71, 4] Generated Node #0,0,2: 72:[71, 4] Operation: 13-9=4 Exploring Operation: 13+9=22, Resulting Numbers: [71, 22] Generated Node #0,0,3: 72:[71, 22] Operation: 13+9=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[71, 4], Operations: ['7+2=9', '13-9=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,72 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,72 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 #0,0,3 Current State: 72:[71, 22], Operations: ['7+2=9', '13+9=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,72 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,72 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 #0,0,0 Current State: 72:[13, 80], Operations: ['7+2=9', '71+9=80'] Exploring Operation: 13+80=93, Resulting Numbers: [93] 93,72 unequal: No Solution Exploring Operation: 13*80=1040, Resulting Numbers: [1040] 1040,72 unequal: No Solution Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,72 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 #0,0,1 Current State: 72:[13, 62], Operations: ['7+2=9', '71-9=62'] Exploring Operation: 13+62=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 13*62=806, Resulting Numbers: [806] 806,72 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: 72:[71, 2, 20], Operations: ['13+7=20'] Exploring Operation: 20/2=10, Resulting Numbers: [71, 10] Generated Node #0,3,0: 72:[71, 10] Operation: 20/2=10 Exploring Operation: 71+2=73, Resulting Numbers: [20, 73] Generated Node #0,3,1: 72:[20, 73] Operation: 71+2=73 Exploring Operation: 2+20=22, Resulting Numbers: [71, 22] Generated Node #0,3,2: 72:[71, 22] Operation: 2+20=22 Exploring Operation: 20-2=18, Resulting Numbers: [71, 18] Generated Node #0,3,3: 72:[71, 18] Operation: 20-2=18 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 72:[71, 18], Operations: ['13+7=20', '20-2=18'] Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,72 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,72 unequal: No Solution Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,72 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 #0,3,0 Current State: 72:[71, 10], Operations: ['13+7=20', '20/2=10'] Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,72 unequal: No Solution Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,72 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 #0,3,1 Current State: 72:[20, 73], Operations: ['13+7=20', '71+2=73'] Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,72 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,72 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 #0,3,2 Current State: 72:[71, 22], Operations: ['13+7=20', '2+20=22'] Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,72 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,72 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: 72:[71, 7, 11], Operations: ['13-2=11'] Exploring Operation: 7*11=77, Resulting Numbers: [71, 77] Generated Node #0,2,0: 72:[71, 77] Operation: 7*11=77 Exploring Operation: 7+11=18, Resulting Numbers: [71, 18] Generated Node #0,2,1: 72:[71, 18] Operation: 7+11=18 Exploring Operation: 11-7=4, Resulting Numbers: [71, 4] Generated Node #0,2,2: 72:[71, 4] Operation: 11-7=4 Exploring Operation: 71+7=78, Resulting Numbers: [11, 78] Generated Node #0,2,3: 72:[11, 78] Operation: 71+7=78 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 72:[71, 18], Operations: ['13-2=11', '7+11=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,72 unequal: No Solution Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,72 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 #0,2,2 Current State: 72:[71, 4], Operations: ['13-2=11', '11-7=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,72 unequal: No Solution Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,72 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 #0,2,0 Current State: 72:[71, 77], Operations: ['13-2=11', '7*11=77'] Exploring Operation: 77-71=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 71+77=148, Resulting Numbers: [148] 148,72 unequal: No Solution Exploring Operation: 71*77=5467, Resulting Numbers: [5467] 5467,72 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 #0,2,3 Current State: 72:[11, 78], Operations: ['13-2=11', '71+7=78'] Exploring Operation: 11+78=89, Resulting Numbers: [89] 89,72 unequal: No Solution Exploring Operation: 11*78=858, Resulting Numbers: [858] 858,72 unequal: No Solution Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,72 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: 72:[6, 73], Operations: ['13-7=6', '71+2=73'] Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,72 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,72 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[71, 4], Operations: ['13-7=6', '6-2=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,72 unequal: No Solution Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[71, 8], Operations: ['13-7=6', '2+6=8'] Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,72 unequal: No Solution Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[71, 12], Operations: ['13-7=6', '2*6=12'] Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 71*12=852, Resulting Numbers: [852] 852,72 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 36, 28, 10, 14 ]
32
[ "36-28=8", "10+14=24", "8+24=32" ]
Current State: 32:[36, 28, 10, 14], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [10, 14, 8] Generated Node #2: [10, 14, 8] from Operation: 36-28=8 Current State: 32:[10, 14, 8], Operations: ['36-28=8'] Exploring Operation: 10+14=24, Resulting Numbers: [8, 24] Generated Node #3: [8, 24] from Operation: 10+14=24 Current State: 32:[8, 24], Operations: ['36-28=8', '10+14=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[36, 28, 10, 14], Operations: [] Exploring Operation: 28-14=14, Resulting Numbers: [36, 10, 14] Generated Node #0,0: 32:[36, 10, 14] Operation: 28-14=14 Exploring Operation: 36-28=8, Resulting Numbers: [10, 14, 8] Generated Node #0,1: 32:[10, 14, 8] Operation: 36-28=8 Exploring Operation: 14-10=4, Resulting Numbers: [36, 28, 4] Generated Node #0,2: 32:[36, 28, 4] Operation: 14-10=4 Exploring Operation: 28-10=18, Resulting Numbers: [36, 14, 18] Generated Node #0,3: 32:[36, 14, 18] Operation: 28-10=18 Exploring Operation: 28/14=2, Resulting Numbers: [36, 10, 2] Generated Node #0,4: 32:[36, 10, 2] Operation: 28/14=2 Moving to Node #0,1 Current State: 32:[10, 14, 8], Operations: ['36-28=8'] Exploring Operation: 10+14=24, Resulting Numbers: [8, 24] Generated Node #0,1,0: 32:[8, 24] Operation: 10+14=24 Exploring Operation: 14-10=4, Resulting Numbers: [8, 4] Generated Node #0,1,1: 32:[8, 4] Operation: 14-10=4 Exploring Operation: 10-8=2, Resulting Numbers: [14, 2] Generated Node #0,1,2: 32:[14, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [14, 18] Generated Node #0,1,3: 32:[14, 18] Operation: 10+8=18 Exploring Operation: 14-8=6, Resulting Numbers: [10, 6] Generated Node #0,1,4: 32:[10, 6] Operation: 14-8=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[8, 4], Operations: ['36-28=8', '14-10=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[36, 28, 10, 14], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [10, 14, 8] Generated Node #0,1: 32:[10, 14, 8] Operation: 36-28=8 Moving to Node #0,1 Current State: 32:[10, 14, 8], Operations: ['36-28=8'] Exploring Operation: 14-10=4, Resulting Numbers: [8, 4] Generated Node #0,1,1: 32:[8, 4] Operation: 14-10=4 Moving to Node #0,1,1 Current State: 32:[8, 4], Operations: ['36-28=8', '14-10=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 31, 7, 16, 10 ]
30
[ "31-7=24", "16-10=6", "24+6=30" ]
Current State: 30:[31, 7, 16, 10], Operations: [] Exploring Operation: 31-7=24, Resulting Numbers: [16, 10, 24] Generated Node #2: [16, 10, 24] from Operation: 31-7=24 Current State: 30:[16, 10, 24], Operations: ['31-7=24'] Exploring Operation: 16-10=6, Resulting Numbers: [24, 6] Generated Node #3: [24, 6] from Operation: 16-10=6 Current State: 30:[24, 6], Operations: ['31-7=24', '16-10=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[31, 7, 16, 10], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [31, 16, 3] Generated Node #0,0: 30:[31, 16, 3] Operation: 10-7=3 Exploring Operation: 16-7=9, Resulting Numbers: [31, 10, 9] Generated Node #0,1: 30:[31, 10, 9] Operation: 16-7=9 Exploring Operation: 31-16=15, Resulting Numbers: [7, 10, 15] Generated Node #0,2: 30:[7, 10, 15] Operation: 31-16=15 Moving to Node #0,2 Current State: 30:[7, 10, 15], Operations: ['31-16=15'] Exploring Operation: 10-7=3, Resulting Numbers: [15, 3] Generated Node #0,2,0: 30:[15, 3] Operation: 10-7=3 Exploring Operation: 15-10=5, Resulting Numbers: [7, 5] Generated Node #0,2,1: 30:[7, 5] Operation: 15-10=5 Exploring Operation: 7+10=17, Resulting Numbers: [15, 17] Generated Node #0,2,2: 30:[15, 17] Operation: 7+10=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[15, 3], Operations: ['31-16=15', '10-7=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,30 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 #0,2,1 Current State: 30:[7, 5], Operations: ['31-16=15', '15-10=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,30 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 #0,2,2 Current State: 30:[15, 17], Operations: ['31-16=15', '7+10=17'] Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,30 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,30 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:[31, 16, 3], Operations: ['10-7=3'] Exploring Operation: 31-3=28, Resulting Numbers: [16, 28] Generated Node #0,0,0: 30:[16, 28] Operation: 31-3=28 Exploring Operation: 31-16=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 30:[3, 15] Operation: 31-16=15 Exploring Operation: 16-3=13, Resulting Numbers: [31, 13] Generated Node #0,0,2: 30:[31, 13] Operation: 16-3=13 Moving to Node #0,1 Current State: 30:[31, 10, 9], Operations: ['16-7=9'] Exploring Operation: 10-9=1, Resulting Numbers: [31, 1] Generated Node #0,1,0: 30:[31, 1] Operation: 10-9=1 Exploring Operation: 31-10=21, Resulting Numbers: [9, 21] Generated Node #0,1,1: 30:[9, 21] Operation: 31-10=21 Exploring Operation: 10+9=19, Resulting Numbers: [31, 19] Generated Node #0,1,2: 30:[31, 19] Operation: 10+9=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[31, 1], Operations: ['16-7=9', '10-9=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[31, 7, 16, 10], Operations: [] Exploring Operation: 16-7=9, Resulting Numbers: [31, 10, 9] Generated Node #0,1: 30:[31, 10, 9] Operation: 16-7=9 Moving to Node #0,1 Current State: 30:[31, 10, 9], Operations: ['16-7=9'] Exploring Operation: 10-9=1, Resulting Numbers: [31, 1] Generated Node #0,1,0: 30:[31, 1] Operation: 10-9=1 Moving to Node #0,1,0 Current State: 30:[31, 1], Operations: ['16-7=9', '10-9=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 26, 11, 1, 33 ]
48
[ "26-11=15", "1*33=33", "15+33=48" ]
Current State: 48:[26, 11, 1, 33], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [1, 33, 15] Generated Node #2: [1, 33, 15] from Operation: 26-11=15 Current State: 48:[1, 33, 15], Operations: ['26-11=15'] Exploring Operation: 1*33=33, Resulting Numbers: [15, 33] Generated Node #3: [15, 33] from Operation: 1*33=33 Current State: 48:[15, 33], Operations: ['26-11=15', '1*33=33'] Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[26, 11, 1, 33], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [11, 1, 7] Generated Node #0,0: 48:[11, 1, 7] Operation: 33-26=7 Moving to Node #0,0 Current State: 48:[11, 1, 7], Operations: ['33-26=7'] Exploring Operation: 11+1=12, Resulting Numbers: [7, 12] Generated Node #0,0,0: 48:[7, 12] Operation: 11+1=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[7, 12], Operations: ['33-26=7', '11+1=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 73, 68, 24 ]
77
[ "68-62=6", "24/6=4", "73+4=77" ]
Current State: 77:[62, 73, 68, 24], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [73, 24, 6] Generated Node #2: [73, 24, 6] from Operation: 68-62=6 Current State: 77:[73, 24, 6], Operations: ['68-62=6'] Exploring Operation: 24/6=4, Resulting Numbers: [73, 4] Generated Node #3: [73, 4] from Operation: 24/6=4 Current State: 77:[73, 4], Operations: ['68-62=6', '24/6=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[62, 73, 68, 24], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [73, 24, 6] Generated Node #0,0: 77:[73, 24, 6] Operation: 68-62=6 Moving to Node #0,0 Current State: 77:[73, 24, 6], Operations: ['68-62=6'] Exploring Operation: 24/6=4, Resulting Numbers: [73, 4] Generated Node #0,0,0: 77:[73, 4] Operation: 24/6=4 Moving to Node #0,0,0 Current State: 77:[73, 4], Operations: ['68-62=6', '24/6=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[62, 73, 68, 24], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [73, 24, 6] Generated Node #0,0: 77:[73, 24, 6] Operation: 68-62=6 Moving to Node #0,0 Current State: 77:[73, 24, 6], Operations: ['68-62=6'] Exploring Operation: 24/6=4, Resulting Numbers: [73, 4] Generated Node #0,0,0: 77:[73, 4] Operation: 24/6=4 Moving to Node #0,0,0 Current State: 77:[73, 4], Operations: ['68-62=6', '24/6=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 90, 61, 48, 87 ]
51
[ "90-61=29", "87/29=3", "48+3=51" ]
Current State: 51:[90, 61, 48, 87], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [48, 87, 29] Generated Node #2: [48, 87, 29] from Operation: 90-61=29 Current State: 51:[48, 87, 29], Operations: ['90-61=29'] Exploring Operation: 87/29=3, Resulting Numbers: [48, 3] Generated Node #3: [48, 3] from Operation: 87/29=3 Current State: 51:[48, 3], Operations: ['90-61=29', '87/29=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[90, 61, 48, 87], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [48, 87, 29] Generated Node #0,0: 51:[48, 87, 29] Operation: 90-61=29 Exploring Operation: 90-87=3, Resulting Numbers: [61, 48, 3] Generated Node #0,1: 51:[61, 48, 3] Operation: 90-87=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[61, 48, 3], Operations: ['90-87=3'] Exploring Operation: 61-3=58, Resulting Numbers: [48, 58] Generated Node #0,1,0: 51:[48, 58] Operation: 61-3=58 Exploring Operation: 61-48=13, Resulting Numbers: [3, 13] Generated Node #0,1,1: 51:[3, 13] Operation: 61-48=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[3, 13], Operations: ['90-87=3', '61-48=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,51 unequal: No Solution No 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: 51:[48, 58], Operations: ['90-87=3', '61-3=58'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 48+58=106, Resulting Numbers: [106] 106,51 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: 51:[48, 87, 29], Operations: ['90-61=29'] Exploring Operation: 87-29=58, Resulting Numbers: [48, 58] Generated Node #0,0,0: 51:[48, 58] Operation: 87-29=58 Exploring Operation: 87/29=3, Resulting Numbers: [48, 3] Generated Node #0,0,1: 51:[48, 3] Operation: 87/29=3 Moving to Node #0,0,1 Current State: 51:[48, 3], Operations: ['90-61=29', '87/29=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[90, 61, 48, 87], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [48, 87, 29] Generated Node #0,0: 51:[48, 87, 29] Operation: 90-61=29 Moving to Node #0,0 Current State: 51:[48, 87, 29], Operations: ['90-61=29'] Exploring Operation: 87/29=3, Resulting Numbers: [48, 3] Generated Node #0,0,1: 51:[48, 3] Operation: 87/29=3 Moving to Node #0,0,1 Current State: 51:[48, 3], Operations: ['90-61=29', '87/29=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 2, 10, 62, 73 ]
23
[ "2+10=12", "73-62=11", "12+11=23" ]
Current State: 23:[2, 10, 62, 73], Operations: [] Exploring Operation: 2+10=12, Resulting Numbers: [62, 73, 12] Generated Node #2: [62, 73, 12] from Operation: 2+10=12 Current State: 23:[62, 73, 12], Operations: ['2+10=12'] Exploring Operation: 73-62=11, Resulting Numbers: [12, 11] Generated Node #3: [12, 11] from Operation: 73-62=11 Current State: 23:[12, 11], Operations: ['2+10=12', '73-62=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 10, 62, 73], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [2, 10, 11] Generated Node #0,0: 23:[2, 10, 11] Operation: 73-62=11 Exploring Operation: 62/2=31, Resulting Numbers: [10, 73, 31] Generated Node #0,1: 23:[10, 73, 31] Operation: 62/2=31 Exploring Operation: 2*10=20, Resulting Numbers: [62, 73, 20] Generated Node #0,2: 23:[62, 73, 20] Operation: 2*10=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[2, 10, 11], Operations: ['73-62=11'] Exploring Operation: 2+10=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 23:[11, 12] Operation: 2+10=12 Exploring Operation: 2*10=20, Resulting Numbers: [11, 20] Generated Node #0,0,1: 23:[11, 20] Operation: 2*10=20 Exploring Operation: 2*11=22, Resulting Numbers: [10, 22] Generated Node #0,0,2: 23:[10, 22] Operation: 2*11=22 Moving to Node #0,0,2 Current State: 23:[10, 22], Operations: ['73-62=11', '2*11=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,23 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[11, 20], Operations: ['73-62=11', '2*10=20'] Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[11, 12], Operations: ['73-62=11', '2+10=12'] Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,23 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[2, 10, 62, 73], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [2, 10, 11] Generated Node #0,0: 23:[2, 10, 11] Operation: 73-62=11 Moving to Node #0,0 Current State: 23:[2, 10, 11], Operations: ['73-62=11'] Exploring Operation: 2+10=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 23:[11, 12] Operation: 2+10=12 Moving to Node #0,0,0 Current State: 23:[11, 12], Operations: ['73-62=11', '2+10=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 74, 76, 13, 88 ]
75
[ "74+76=150", "88-13=75", "150-75=75" ]
Current State: 75:[74, 76, 13, 88], Operations: [] Exploring Operation: 74+76=150, Resulting Numbers: [13, 88, 150] Generated Node #2: [13, 88, 150] from Operation: 74+76=150 Current State: 75:[13, 88, 150], Operations: ['74+76=150'] Exploring Operation: 88-13=75, Resulting Numbers: [150, 75] Generated Node #3: [150, 75] from Operation: 88-13=75 Current State: 75:[150, 75], Operations: ['74+76=150', '88-13=75'] Exploring Operation: 150-75=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[74, 76, 13, 88], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [76, 13, 14] Generated Node #0,0: 75:[76, 13, 14] Operation: 88-74=14 Exploring Operation: 88-13=75, Resulting Numbers: [74, 76, 75] Generated Node #0,1: 75:[74, 76, 75] Operation: 88-13=75 Moving to Node #0,1 Current State: 75:[74, 76, 75], Operations: ['88-13=75'] Exploring Operation: 75-74=1, Resulting Numbers: [76, 1] Generated Node #0,1,0: 75:[76, 1] Operation: 75-74=1 Exploring Operation: 76-74=2, Resulting Numbers: [75, 2] Generated Node #0,1,1: 75:[75, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 75:[76, 13, 14], Operations: ['88-74=14'] Exploring Operation: 14-13=1, Resulting Numbers: [76, 1] Generated Node #0,0,0: 75:[76, 1] Operation: 14-13=1 Exploring Operation: 13+14=27, Resulting Numbers: [76, 27] Generated Node #0,0,1: 75:[76, 27] Operation: 13+14=27 Moving to Node #0,1,1 Current State: 75:[75, 2], Operations: ['88-13=75', '76-74=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,75 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[76, 1], Operations: ['88-74=14', '14-13=1'] 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:[74, 76, 13, 88], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [76, 13, 14] Generated Node #0,0: 75:[76, 13, 14] Operation: 88-74=14 Moving to Node #0,0 Current State: 75:[76, 13, 14], Operations: ['88-74=14'] Exploring Operation: 14-13=1, Resulting Numbers: [76, 1] Generated Node #0,0,0: 75:[76, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 75:[76, 1], Operations: ['88-74=14', '14-13=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.987847
hs_2
sum_heuristic
[ 87, 4, 45, 5 ]
28
[ "87+45=132", "132/4=33", "33-5=28" ]
Current State: 28:[87, 4, 45, 5], Operations: [] Exploring Operation: 87+45=132, Resulting Numbers: [4, 5, 132] Generated Node #2: [4, 5, 132] from Operation: 87+45=132 Current State: 28:[4, 5, 132], Operations: ['87+45=132'] Exploring Operation: 132/4=33, Resulting Numbers: [5, 33] Generated Node #3: [5, 33] from Operation: 132/4=33 Current State: 28:[5, 33], Operations: ['87+45=132', '132/4=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[87, 4, 45, 5], Operations: [] Exploring Operation: 87-5=82, Resulting Numbers: [4, 45, 82] Generated Node #0,0: 28:[4, 45, 82] Operation: 87-5=82 Exploring Operation: 45/5=9, Resulting Numbers: [87, 4, 9] Generated Node #0,1: 28:[87, 4, 9] Operation: 45/5=9 Exploring Operation: 87-45=42, Resulting Numbers: [4, 5, 42] Generated Node #0,2: 28:[4, 5, 42] Operation: 87-45=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[4, 5, 42], Operations: ['87-45=42'] Exploring Operation: 42-4=38, Resulting Numbers: [5, 38] Generated Node #0,2,0: 28:[5, 38] Operation: 42-4=38 Exploring Operation: 42-5=37, Resulting Numbers: [4, 37] Generated Node #0,2,1: 28:[4, 37] Operation: 42-5=37 Exploring Operation: 5-4=1, Resulting Numbers: [42, 1] Generated Node #0,2,2: 28:[42, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 28:[4, 37], Operations: ['87-45=42', '42-5=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,28 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[5, 38], Operations: ['87-45=42', '42-4=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,28 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 28:[42, 1], Operations: ['87-45=42', '5-4=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,28 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,28 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,28 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:[87, 4, 9], Operations: ['45/5=9'] Exploring Operation: 87-4=83, Resulting Numbers: [9, 83] Generated Node #0,1,0: 28:[9, 83] Operation: 87-4=83 Exploring Operation: 4+9=13, Resulting Numbers: [87, 13] Generated Node #0,1,1: 28:[87, 13] Operation: 4+9=13 Exploring Operation: 87-9=78, Resulting Numbers: [4, 78] Generated Node #0,1,2: 28:[4, 78] Operation: 87-9=78 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[4, 78], Operations: ['45/5=9', '87-9=78'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,28 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,28 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 #0,1,0 Current State: 28:[9, 83], Operations: ['45/5=9', '87-4=83'] Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 9+83=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 9*83=747, Resulting Numbers: [747] 747,28 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 #0,1,1 Current State: 28:[87, 13], Operations: ['45/5=9', '4+9=13'] Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,28 unequal: No Solution Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,28 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 #0,0 Current State: 28:[4, 45, 82], Operations: ['87-5=82'] Exploring Operation: 82-4=78, Resulting Numbers: [45, 78] Generated Node #0,0,0: 28:[45, 78] Operation: 82-4=78 Exploring Operation: 45-4=41, Resulting Numbers: [82, 41] Generated Node #0,0,1: 28:[82, 41] Operation: 45-4=41 Exploring Operation: 82-45=37, Resulting Numbers: [4, 37] Generated Node #0,0,2: 28:[4, 37] Operation: 82-45=37 Moving to Node #0,0,2 Current State: 28:[4, 37], Operations: ['87-5=82', '82-45=37'] Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,28 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[45, 78], Operations: ['87-5=82', '82-4=78'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 45+78=123, Resulting Numbers: [123] 123,28 unequal: No Solution Exploring Operation: 45*78=3510, Resulting Numbers: [3510] 3510,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[82, 41], Operations: ['87-5=82', '45-4=41'] Exploring Operation: 82+41=123, Resulting Numbers: [123] 123,28 unequal: No Solution Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,28 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
[ 13, 20, 12, 80 ]
18
[ "80-20=60", "60/12=5", "13+5=18" ]
Current State: 18:[13, 20, 12, 80], Operations: [] Exploring Operation: 80-20=60, Resulting Numbers: [13, 12, 60] Generated Node #2: [13, 12, 60] from Operation: 80-20=60 Current State: 18:[13, 12, 60], Operations: ['80-20=60'] Exploring Operation: 60/12=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 60/12=5 Current State: 18:[13, 5], Operations: ['80-20=60', '60/12=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[13, 20, 12, 80], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [13, 12, 4] Generated Node #0,0: 18:[13, 12, 4] Operation: 80/20=4 Exploring Operation: 80-13=67, Resulting Numbers: [20, 12, 67] Generated Node #0,1: 18:[20, 12, 67] Operation: 80-13=67 Exploring Operation: 80-20=60, Resulting Numbers: [13, 12, 60] Generated Node #0,2: 18:[13, 12, 60] Operation: 80-20=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[13, 12, 4], Operations: ['80/20=4'] Exploring Operation: 13-12=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 18:[4, 1] Operation: 13-12=1 Exploring Operation: 13+4=17, Resulting Numbers: [12, 17] Generated Node #0,0,1: 18:[12, 17] Operation: 13+4=17 Exploring Operation: 13-4=9, Resulting Numbers: [12, 9] Generated Node #0,0,2: 18:[12, 9] Operation: 13-4=9 Moving to Node #0,0,0 Current State: 18:[4, 1], Operations: ['80/20=4', '13-12=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[12, 9], Operations: ['80/20=4', '13-4=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,18 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[12, 17], Operations: ['80/20=4', '13+4=17'] Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[13, 12, 60], Operations: ['80-20=60'] Exploring Operation: 60-12=48, Resulting Numbers: [13, 48] Generated Node #0,2,0: 18:[13, 48] Operation: 60-12=48 Exploring Operation: 60/12=5, Resulting Numbers: [13, 5] Generated Node #0,2,1: 18:[13, 5] Operation: 60/12=5 Exploring Operation: 60-13=47, Resulting Numbers: [12, 47] Generated Node #0,2,2: 18:[12, 47] Operation: 60-13=47 Moving to Node #0,2,1 Current State: 18:[13, 5], Operations: ['80-20=60', '60/12=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[13, 20, 12, 80], Operations: [] Exploring Operation: 80-20=60, Resulting Numbers: [13, 12, 60] Generated Node #0,2: 18:[13, 12, 60] Operation: 80-20=60 Moving to Node #0,2 Current State: 18:[13, 12, 60], Operations: ['80-20=60'] Exploring Operation: 60/12=5, Resulting Numbers: [13, 5] Generated Node #0,2,1: 18:[13, 5] Operation: 60/12=5 Moving to Node #0,2,1 Current State: 18:[13, 5], Operations: ['80-20=60', '60/12=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 44, 21, 10, 49 ]
95
[ "49-44=5", "21*5=105", "105-10=95" ]
Current State: 95:[44, 21, 10, 49], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [21, 10, 5] Generated Node #2: [21, 10, 5] from Operation: 49-44=5 Current State: 95:[21, 10, 5], Operations: ['49-44=5'] Exploring Operation: 21*5=105, Resulting Numbers: [10, 105] Generated Node #3: [10, 105] from Operation: 21*5=105 Current State: 95:[10, 105], Operations: ['49-44=5', '21*5=105'] Exploring Operation: 105-10=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[44, 21, 10, 49], Operations: [] Exploring Operation: 44+49=93, Resulting Numbers: [21, 10, 93] Generated Node #0,0: 95:[21, 10, 93] Operation: 44+49=93 Exploring Operation: 49-44=5, Resulting Numbers: [21, 10, 5] Generated Node #0,1: 95:[21, 10, 5] Operation: 49-44=5 Exploring Operation: 44-21=23, Resulting Numbers: [10, 49, 23] Generated Node #0,2: 95:[10, 49, 23] Operation: 44-21=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[21, 10, 5], Operations: ['49-44=5'] Exploring Operation: 10/5=2, Resulting Numbers: [21, 2] Generated Node #0,1,0: 95:[21, 2] Operation: 10/5=2 Exploring Operation: 10-5=5, Resulting Numbers: [21, 5] Generated Node #0,1,1: 95:[21, 5] Operation: 10-5=5 Exploring Operation: 21-10=11, Resulting Numbers: [5, 11] Generated Node #0,1,2: 95:[5, 11] Operation: 21-10=11 Moving to Node #0,1,1 Current State: 95:[21, 5], Operations: ['49-44=5', '10-5=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[21, 2], Operations: ['49-44=5', '10/5=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[5, 11], Operations: ['49-44=5', '21-10=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[21, 10, 93], Operations: ['44+49=93'] Exploring Operation: 21-10=11, Resulting Numbers: [93, 11] Generated Node #0,0,0: 95:[93, 11] Operation: 21-10=11 Exploring Operation: 21+10=31, Resulting Numbers: [93, 31] Generated Node #0,0,1: 95:[93, 31] Operation: 21+10=31 Exploring Operation: 10+93=103, Resulting Numbers: [21, 103] Generated Node #0,0,2: 95:[21, 103] Operation: 10+93=103 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[93, 11], Operations: ['44+49=93', '21-10=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,95 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,95 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[21, 103], Operations: ['44+49=93', '10+93=103'] Exploring Operation: 103-21=82, Resulting Numbers: [82] 82,95 unequal: No Solution Exploring Operation: 21*103=2163, Resulting Numbers: [2163] 2163,95 unequal: No Solution Exploring Operation: 21+103=124, Resulting Numbers: [124] 124,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[93, 31], Operations: ['44+49=93', '21+10=31'] Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,95 unequal: No Solution Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,95 unequal: No Solution Exploring Operation: 93+31=124, Resulting Numbers: [124] 124,95 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[10, 49, 23], Operations: ['44-21=23'] Exploring Operation: 49-23=26, Resulting Numbers: [10, 26] Generated Node #0,2,0: 95:[10, 26] Operation: 49-23=26 Exploring Operation: 49+23=72, Resulting Numbers: [10, 72] Generated Node #0,2,1: 95:[10, 72] Operation: 49+23=72 Exploring Operation: 49-10=39, Resulting Numbers: [23, 39] Generated Node #0,2,2: 95:[23, 39] Operation: 49-10=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[10, 26], Operations: ['44-21=23', '49-23=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,95 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,95 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 #0,2,2 Current State: 95:[23, 39], Operations: ['44-21=23', '49-10=39'] Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,95 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,95 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 #0,2,1 Current State: 95:[10, 72], Operations: ['44-21=23', '49+23=72'] Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,95 unequal: No Solution Exploring Operation: 10*72=720, Resulting Numbers: [720] 720,95 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,95 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_3
sum_heuristic
[ 91, 94, 5, 23 ]
31
[ "94-91=3", "5+23=28", "3+28=31" ]
Current State: 31:[91, 94, 5, 23], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [5, 23, 3] Generated Node #2: [5, 23, 3] from Operation: 94-91=3 Current State: 31:[5, 23, 3], Operations: ['94-91=3'] Exploring Operation: 5+23=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 5+23=28 Current State: 31:[3, 28], Operations: ['94-91=3', '5+23=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[91, 94, 5, 23], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [5, 23, 3] Generated Node #0,0: 31:[5, 23, 3] Operation: 94-91=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[5, 23, 3], Operations: ['94-91=3'] Exploring Operation: 5*3=15, Resulting Numbers: [23, 15] Generated Node #0,0,0: 31:[23, 15] Operation: 5*3=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[23, 15], Operations: ['94-91=3', '5*3=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,31 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
[ 2, 11, 97, 8 ]
96
[ "11-2=9", "97+8=105", "105-9=96" ]
Current State: 96:[2, 11, 97, 8], Operations: [] Exploring Operation: 11-2=9, Resulting Numbers: [97, 8, 9] Generated Node #2: [97, 8, 9] from Operation: 11-2=9 Current State: 96:[97, 8, 9], Operations: ['11-2=9'] Exploring Operation: 97+8=105, Resulting Numbers: [9, 105] Generated Node #3: [9, 105] from Operation: 97+8=105 Current State: 96:[9, 105], Operations: ['11-2=9', '97+8=105'] Exploring Operation: 105-9=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[2, 11, 97, 8], Operations: [] Exploring Operation: 11-8=3, Resulting Numbers: [2, 97, 3] Generated Node #0,0: 96:[2, 97, 3] Operation: 11-8=3 Moving to Node #0,0 Current State: 96:[2, 97, 3], Operations: ['11-8=3'] Exploring Operation: 97-2=95, Resulting Numbers: [3, 95] Generated Node #0,0,0: 96:[3, 95] Operation: 97-2=95 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[3, 95], Operations: ['11-8=3', '97-2=95'] Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,96 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
[ 20, 5, 58, 25 ]
59
[ "20+5=25", "25/25=1", "58+1=59" ]
Current State: 59:[20, 5, 58, 25], Operations: [] Exploring Operation: 20+5=25, Resulting Numbers: [58, 25, 25] Generated Node #2: [58, 25, 25] from Operation: 20+5=25 Current State: 59:[58, 25, 25], Operations: ['20+5=25'] Exploring Operation: 25/25=1, Resulting Numbers: [58, 1] Generated Node #3: [58, 1] from Operation: 25/25=1 Current State: 59:[58, 1], Operations: ['20+5=25', '25/25=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[20, 5, 58, 25], Operations: [] Exploring Operation: 5+58=63, Resulting Numbers: [20, 25, 63] Generated Node #0,0: 59:[20, 25, 63] Operation: 5+58=63 Exploring Operation: 5+25=30, Resulting Numbers: [20, 58, 30] Generated Node #0,1: 59:[20, 58, 30] Operation: 5+25=30 Exploring Operation: 20+5=25, Resulting Numbers: [58, 25, 25] Generated Node #0,2: 59:[58, 25, 25] Operation: 20+5=25 Exploring Operation: 20+25=45, Resulting Numbers: [5, 58, 45] Generated Node #0,3: 59:[5, 58, 45] Operation: 20+25=45 Exploring Operation: 20*5=100, Resulting Numbers: [58, 25, 100] Generated Node #0,4: 59:[58, 25, 100] Operation: 20*5=100 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[20, 58, 30], Operations: ['5+25=30'] Exploring Operation: 20+30=50, Resulting Numbers: [58, 50] Generated Node #0,1,0: 59:[58, 50] Operation: 20+30=50 Exploring Operation: 30-20=10, Resulting Numbers: [58, 10] Generated Node #0,1,1: 59:[58, 10] Operation: 30-20=10 Exploring Operation: 20+58=78, Resulting Numbers: [30, 78] Generated Node #0,1,2: 59:[30, 78] Operation: 20+58=78 Exploring Operation: 58-20=38, Resulting Numbers: [30, 38] Generated Node #0,1,3: 59:[30, 38] Operation: 58-20=38 Exploring Operation: 58+30=88, Resulting Numbers: [20, 88] Generated Node #0,1,4: 59:[20, 88] Operation: 58+30=88 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[58, 50], Operations: ['5+25=30', '20+30=50'] Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 58*50=2900, Resulting Numbers: [2900] 2900,59 unequal: No Solution Exploring Operation: 58+50=108, Resulting Numbers: [108] 108,59 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 #0,1,2 Current State: 59:[30, 78], Operations: ['5+25=30', '20+58=78'] Exploring Operation: 30+78=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 30*78=2340, Resulting Numbers: [2340] 2340,59 unequal: No Solution Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,59 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 #0,1,1 Current State: 59:[58, 10], Operations: ['5+25=30', '30-20=10'] Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,59 unequal: No Solution Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,59 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 #0,1,3 Current State: 59:[30, 38], Operations: ['5+25=30', '58-20=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,59 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 #0,1,4 Current State: 59:[20, 88], Operations: ['5+25=30', '58+30=88'] Exploring Operation: 20*88=1760, Resulting Numbers: [1760] 1760,59 unequal: No Solution Exploring Operation: 20+88=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 88-20=68, Resulting Numbers: [68] 68,59 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 #0,2 Current State: 59:[58, 25, 25], Operations: ['20+5=25'] Exploring Operation: 58-25=33, Resulting Numbers: [25, 33] Generated Node #0,2,0: 59:[25, 33] Operation: 58-25=33 Exploring Operation: 58+25=83, Resulting Numbers: [25, 83] Generated Node #0,2,1: 59:[25, 83] Operation: 58+25=83 Exploring Operation: 25/25=1, Resulting Numbers: [58, 1] Generated Node #0,2,2: 59:[58, 1] Operation: 25/25=1 Exploring Operation: 58+25=83, Resulting Numbers: [25, 83] Generated Node #0,2,3: 59:[25, 83] Operation: 58+25=83 Exploring Operation: 25+25=50, Resulting Numbers: [58, 50] Generated Node #0,2,4: 59:[58, 50] Operation: 25+25=50 Moving to Node #0,2,4 Current State: 59:[58, 50], Operations: ['20+5=25', '25+25=50'] Exploring Operation: 58*50=2900, Resulting Numbers: [2900] 2900,59 unequal: No Solution Exploring Operation: 58+50=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[25, 83], Operations: ['20+5=25', '58+25=83'] Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,59 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[25, 83], Operations: ['20+5=25', '58+25=83'] Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,59 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[58, 1], Operations: ['20+5=25', '25/25=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[20, 5, 58, 25], Operations: [] Exploring Operation: 20+5=25, Resulting Numbers: [58, 25, 25] Generated Node #0,2: 59:[58, 25, 25] Operation: 20+5=25 Moving to Node #0,2 Current State: 59:[58, 25, 25], Operations: ['20+5=25'] Exploring Operation: 25/25=1, Resulting Numbers: [58, 1] Generated Node #0,2,2: 59:[58, 1] Operation: 25/25=1 Moving to Node #0,2,2 Current State: 59:[58, 1], Operations: ['20+5=25', '25/25=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_5
sum_heuristic
[ 96, 23, 3, 96 ]
25
[ "96/96=1", "23+3=26", "26-1=25" ]
Current State: 25:[96, 23, 3, 96], Operations: [] Exploring Operation: 96/96=1, Resulting Numbers: [23, 3, 1] Generated Node #2: [23, 3, 1] from Operation: 96/96=1 Current State: 25:[23, 3, 1], Operations: ['96/96=1'] Exploring Operation: 23+3=26, Resulting Numbers: [1, 26] Generated Node #3: [1, 26] from Operation: 23+3=26 Current State: 25:[1, 26], Operations: ['96/96=1', '23+3=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[96, 23, 3, 96], Operations: [] Exploring Operation: 96/96=1, Resulting Numbers: [23, 3, 1] Generated Node #0,0: 25:[23, 3, 1] Operation: 96/96=1 Exploring Operation: 96/3=32, Resulting Numbers: [96, 23, 32] Generated Node #0,1: 25:[96, 23, 32] Operation: 96/3=32 Exploring Operation: 96/3=32, Resulting Numbers: [23, 96, 32] Generated Node #0,2: 25:[23, 96, 32] Operation: 96/3=32 Exploring Operation: 96-96=0, Resulting Numbers: [23, 3, 0] Generated Node #0,3: 25:[23, 3, 0] Operation: 96-96=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[23, 3, 1], Operations: ['96/96=1'] Exploring Operation: 3+1=4, Resulting Numbers: [23, 4] Generated Node #0,0,0: 25:[23, 4] Operation: 3+1=4 Exploring Operation: 23+1=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 25:[3, 24] Operation: 23+1=24 Exploring Operation: 23/1=23, Resulting Numbers: [3, 23] Generated Node #0,0,2: 25:[3, 23] Operation: 23/1=23 Exploring Operation: 23*1=23, Resulting Numbers: [3, 23] Generated Node #0,0,3: 25:[3, 23] Operation: 23*1=23 Moving to Node #0,0,0 Current State: 25:[23, 4], Operations: ['96/96=1', '3+1=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,25 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[3, 24], Operations: ['96/96=1', '23+1=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[3, 23], Operations: ['96/96=1', '23*1=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[3, 23], Operations: ['96/96=1', '23/1=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[23, 3, 0], Operations: ['96-96=0'] Exploring Operation: 3+0=3, Resulting Numbers: [23, 3] Generated Node #0,3,0: 25:[23, 3] Operation: 3+0=3 Exploring Operation: 23+0=23, Resulting Numbers: [3, 23] Generated Node #0,3,1: 25:[3, 23] Operation: 23+0=23 Exploring Operation: 3-0=3, Resulting Numbers: [23, 3] Generated Node #0,3,2: 25:[23, 3] Operation: 3-0=3 Exploring Operation: 23-0=23, Resulting Numbers: [3, 23] Generated Node #0,3,3: 25:[3, 23] Operation: 23-0=23 Moving to Node #0,3,0 Current State: 25:[23, 3], Operations: ['96-96=0', '3+0=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[23, 3], Operations: ['96-96=0', '3-0=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[3, 23], Operations: ['96-96=0', '23+0=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[3, 23], Operations: ['96-96=0', '23-0=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[96, 23, 32], Operations: ['96/3=32'] Exploring Operation: 32-23=9, Resulting Numbers: [96, 9] Generated Node #0,1,0: 25:[96, 9] Operation: 32-23=9 Exploring Operation: 96/32=3, Resulting Numbers: [23, 3] Generated Node #0,1,1: 25:[23, 3] Operation: 96/32=3 Exploring Operation: 96-23=73, Resulting Numbers: [32, 73] Generated Node #0,1,2: 25:[32, 73] Operation: 96-23=73 Exploring Operation: 96-32=64, Resulting Numbers: [23, 64] Generated Node #0,1,3: 25:[23, 64] Operation: 96-32=64 Moving to Node #0,1,1 Current State: 25:[23, 3], Operations: ['96/3=32', '96/32=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[23, 64], Operations: ['96/3=32', '96-32=64'] Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,25 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[32, 73], Operations: ['96/3=32', '96-23=73'] Exploring Operation: 32+73=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 32*73=2336, Resulting Numbers: [2336] 2336,25 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[96, 9], Operations: ['96/3=32', '32-23=9'] Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,25 unequal: No Solution Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[23, 96, 32], Operations: ['96/3=32'] Exploring Operation: 96/32=3, Resulting Numbers: [23, 3] Generated Node #0,2,0: 25:[23, 3] Operation: 96/32=3 Exploring Operation: 32-23=9, Resulting Numbers: [96, 9] Generated Node #0,2,1: 25:[96, 9] Operation: 32-23=9 Exploring Operation: 96-23=73, Resulting Numbers: [32, 73] Generated Node #0,2,2: 25:[32, 73] Operation: 96-23=73 Exploring Operation: 96-32=64, Resulting Numbers: [23, 64] Generated Node #0,2,3: 25:[23, 64] Operation: 96-32=64 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 25:[23, 3], Operations: ['96/3=32', '96/32=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 25:[23, 64], Operations: ['96/3=32', '96-32=64'] Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,25 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[32, 73], Operations: ['96/3=32', '96-23=73'] Exploring Operation: 32*73=2336, Resulting Numbers: [2336] 2336,25 unequal: No Solution Exploring Operation: 32+73=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 25:[96, 9], Operations: ['96/3=32', '32-23=9'] Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 37, 22, 7, 72 ]
91
[ "37+22=59", "72-59=13", "7*13=91" ]
Current State: 91:[37, 22, 7, 72], Operations: [] Exploring Operation: 37+22=59, Resulting Numbers: [7, 72, 59] Generated Node #2: [7, 72, 59] from Operation: 37+22=59 Current State: 91:[7, 72, 59], Operations: ['37+22=59'] Exploring Operation: 72-59=13, Resulting Numbers: [7, 13] Generated Node #3: [7, 13] from Operation: 72-59=13 Current State: 91:[7, 13], Operations: ['37+22=59', '72-59=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[37, 22, 7, 72], Operations: [] Exploring Operation: 37+72=109, Resulting Numbers: [22, 7, 109] Generated Node #0,0: 91:[22, 7, 109] Operation: 37+72=109 Exploring Operation: 37-22=15, Resulting Numbers: [7, 72, 15] Generated Node #0,1: 91:[7, 72, 15] Operation: 37-22=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[7, 72, 15], Operations: ['37-22=15'] Exploring Operation: 7+72=79, Resulting Numbers: [15, 79] Generated Node #0,1,0: 91:[15, 79] Operation: 7+72=79 Exploring Operation: 72+15=87, Resulting Numbers: [7, 87] Generated Node #0,1,1: 91:[7, 87] Operation: 72+15=87 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[7, 87], Operations: ['37-22=15', '72+15=87'] Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,91 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:[15, 79], Operations: ['37-22=15', '7+72=79'] Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,91 unequal: No Solution Exploring Operation: 15+79=94, Resulting Numbers: [94] 94,91 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 #0,0 Current State: 91:[22, 7, 109], Operations: ['37+72=109'] Exploring Operation: 22-7=15, Resulting Numbers: [109, 15] Generated Node #0,0,0: 91:[109, 15] Operation: 22-7=15 Exploring Operation: 109-22=87, Resulting Numbers: [7, 87] Generated Node #0,0,1: 91:[7, 87] Operation: 109-22=87 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[7, 87], Operations: ['37+72=109', '109-22=87'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,91 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:[109, 15], Operations: ['37+72=109', '22-7=15'] Exploring Operation: 109-15=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 109+15=124, Resulting Numbers: [124] 124,91 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_2
mult_heuristic
[ 13, 36, 33, 38 ]
40
[ "33-13=20", "38-36=2", "20*2=40" ]
Current State: 40:[13, 36, 33, 38], Operations: [] Exploring Operation: 33-13=20, Resulting Numbers: [36, 38, 20] Generated Node #2: [36, 38, 20] from Operation: 33-13=20 Current State: 40:[36, 38, 20], Operations: ['33-13=20'] Exploring Operation: 38-36=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 38-36=2 Current State: 40:[20, 2], Operations: ['33-13=20', '38-36=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[13, 36, 33, 38], Operations: [] Exploring Operation: 33-13=20, Resulting Numbers: [36, 38, 20] Generated Node #0,0: 40:[36, 38, 20] Operation: 33-13=20 Exploring Operation: 38-33=5, Resulting Numbers: [13, 36, 5] Generated Node #0,1: 40:[13, 36, 5] Operation: 38-33=5 Exploring Operation: 36-33=3, Resulting Numbers: [13, 38, 3] Generated Node #0,2: 40:[13, 38, 3] Operation: 36-33=3 Moving to Node #0,0 Current State: 40:[36, 38, 20], Operations: ['33-13=20'] Exploring Operation: 38-20=18, Resulting Numbers: [36, 18] Generated Node #0,0,0: 40:[36, 18] Operation: 38-20=18 Exploring Operation: 38-36=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 40:[20, 2] Operation: 38-36=2 Exploring Operation: 36-20=16, Resulting Numbers: [38, 16] Generated Node #0,0,2: 40:[38, 16] Operation: 36-20=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[20, 2], Operations: ['33-13=20', '38-36=2'] 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:[13, 36, 33, 38], Operations: [] Exploring Operation: 33-13=20, Resulting Numbers: [36, 38, 20] Generated Node #0,0: 40:[36, 38, 20] Operation: 33-13=20 Moving to Node #0,0 Current State: 40:[36, 38, 20], Operations: ['33-13=20'] Exploring Operation: 38-36=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 40:[20, 2] Operation: 38-36=2 Moving to Node #0,0,1 Current State: 40:[20, 2], Operations: ['33-13=20', '38-36=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 65, 3, 14, 7 ]
16
[ "65-7=58", "3*14=42", "58-42=16" ]
Current State: 16:[65, 3, 14, 7], Operations: [] Exploring Operation: 65-7=58, Resulting Numbers: [3, 14, 58] Generated Node #2: [3, 14, 58] from Operation: 65-7=58 Current State: 16:[3, 14, 58], Operations: ['65-7=58'] Exploring Operation: 3*14=42, Resulting Numbers: [58, 42] Generated Node #3: [58, 42] from Operation: 3*14=42 Current State: 16:[58, 42], Operations: ['65-7=58', '3*14=42'] Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[65, 3, 14, 7], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [65, 3, 2] Generated Node #0,0: 16:[65, 3, 2] Operation: 14/7=2 Exploring Operation: 65-7=58, Resulting Numbers: [3, 14, 58] Generated Node #0,1: 16:[3, 14, 58] Operation: 65-7=58 Exploring Operation: 65-3=62, Resulting Numbers: [14, 7, 62] Generated Node #0,2: 16:[14, 7, 62] Operation: 65-3=62 Exploring Operation: 65-14=51, Resulting Numbers: [3, 7, 51] Generated Node #0,3: 16:[3, 7, 51] Operation: 65-14=51 Exploring Operation: 3+14=17, Resulting Numbers: [65, 7, 17] Generated Node #0,4: 16:[65, 7, 17] Operation: 3+14=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[3, 7, 51], Operations: ['65-14=51'] Exploring Operation: 51-7=44, Resulting Numbers: [3, 44] Generated Node #0,3,0: 16:[3, 44] Operation: 51-7=44 Exploring Operation: 51/3=17, Resulting Numbers: [7, 17] Generated Node #0,3,1: 16:[7, 17] Operation: 51/3=17 Exploring Operation: 7-3=4, Resulting Numbers: [51, 4] Generated Node #0,3,2: 16:[51, 4] Operation: 7-3=4 Exploring Operation: 51-3=48, Resulting Numbers: [7, 48] Generated Node #0,3,3: 16:[7, 48] Operation: 51-3=48 Exploring Operation: 3+7=10, Resulting Numbers: [51, 10] Generated Node #0,3,4: 16:[51, 10] Operation: 3+7=10 Moving to Node #0,3,1 Current State: 16:[7, 17], Operations: ['65-14=51', '51/3=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,16 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[3, 44], Operations: ['65-14=51', '51-7=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,16 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[7, 48], Operations: ['65-14=51', '51-3=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[51, 4], Operations: ['65-14=51', '7-3=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,16 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[51, 10], Operations: ['65-14=51', '3+7=10'] Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,16 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,16 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:[3, 14, 58], Operations: ['65-7=58'] Exploring Operation: 58-14=44, Resulting Numbers: [3, 44] Generated Node #0,1,0: 16:[3, 44] Operation: 58-14=44 Exploring Operation: 3+14=17, Resulting Numbers: [58, 17] Generated Node #0,1,1: 16:[58, 17] Operation: 3+14=17 Exploring Operation: 3+58=61, Resulting Numbers: [14, 61] Generated Node #0,1,2: 16:[14, 61] Operation: 3+58=61 Exploring Operation: 58-3=55, Resulting Numbers: [14, 55] Generated Node #0,1,3: 16:[14, 55] Operation: 58-3=55 Exploring Operation: 14-3=11, Resulting Numbers: [58, 11] Generated Node #0,1,4: 16:[58, 11] Operation: 14-3=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[3, 44], Operations: ['65-7=58', '58-14=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[14, 55], Operations: ['65-7=58', '58-3=55'] Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,16 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[58, 17], Operations: ['65-7=58', '3+14=17'] Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,16 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 16:[58, 11], Operations: ['65-7=58', '14-3=11'] Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,16 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[14, 61], Operations: ['65-7=58', '3+58=61'] Exploring Operation: 14*61=854, Resulting Numbers: [854] 854,16 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,16 unequal: No Solution Exploring Operation: 14+61=75, Resulting Numbers: [75] 75,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[14, 7, 62], Operations: ['65-3=62'] Exploring Operation: 14+7=21, Resulting Numbers: [62, 21] Generated Node #0,2,0: 16:[62, 21] Operation: 14+7=21 Exploring Operation: 62-14=48, Resulting Numbers: [7, 48] Generated Node #0,2,1: 16:[7, 48] Operation: 62-14=48 Exploring Operation: 62-7=55, Resulting Numbers: [14, 55] Generated Node #0,2,2: 16:[14, 55] Operation: 62-7=55 Exploring Operation: 14/7=2, Resulting Numbers: [62, 2] Generated Node #0,2,3: 16:[62, 2] Operation: 14/7=2 Exploring Operation: 14-7=7, Resulting Numbers: [62, 7] Generated Node #0,2,4: 16:[62, 7] Operation: 14-7=7 Moving to Node #0,2,1 Current State: 16:[7, 48], Operations: ['65-3=62', '62-14=48'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[14, 55], Operations: ['65-3=62', '62-7=55'] Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,16 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[62, 2], Operations: ['65-3=62', '14/7=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,16 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,2,4 Current State: 16:[62, 7], Operations: ['65-3=62', '14-7=7'] Exploring Operation: 62*7=434, Resulting Numbers: [434] 434,16 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[62, 21], Operations: ['65-3=62', '14+7=21'] Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,16 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,16 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:[65, 3, 2], Operations: ['14/7=2'] Exploring Operation: 3-2=1, Resulting Numbers: [65, 1] Generated Node #0,0,0: 16:[65, 1] Operation: 3-2=1 Exploring Operation: 3*2=6, Resulting Numbers: [65, 6] Generated Node #0,0,1: 16:[65, 6] Operation: 3*2=6 Exploring Operation: 65-2=63, Resulting Numbers: [3, 63] Generated Node #0,0,2: 16:[3, 63] Operation: 65-2=63 Exploring Operation: 65-3=62, Resulting Numbers: [2, 62] Generated Node #0,0,3: 16:[2, 62] Operation: 65-3=62 Exploring Operation: 3+2=5, Resulting Numbers: [65, 5] Generated Node #0,0,4: 16:[65, 5] Operation: 3+2=5 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 16:[2, 62], Operations: ['14/7=2', '65-3=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,16 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[3, 63], Operations: ['14/7=2', '65-2=63'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,16 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[65, 1], Operations: ['14/7=2', '3-2=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 16:[65, 5], Operations: ['14/7=2', '3+2=5'] Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,16 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,16 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[65, 6], Operations: ['14/7=2', '3*2=6'] Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,16 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[65, 7, 17], Operations: ['3+14=17'] Exploring Operation: 65-7=58, Resulting Numbers: [17, 58] Generated Node #0,4,0: 16:[17, 58] Operation: 65-7=58 Exploring Operation: 7+17=24, Resulting Numbers: [65, 24] Generated Node #0,4,1: 16:[65, 24] Operation: 7+17=24 Exploring Operation: 65-17=48, Resulting Numbers: [7, 48] Generated Node #0,4,2: 16:[7, 48] Operation: 65-17=48 Exploring Operation: 17-7=10, Resulting Numbers: [65, 10] Generated Node #0,4,3: 16:[65, 10] Operation: 17-7=10 Exploring Operation: 65+7=72, Resulting Numbers: [17, 72] Generated Node #0,4,4: 16:[17, 72] Operation: 65+7=72 Moving to Node #0,4,2 Current State: 16:[7, 48], Operations: ['3+14=17', '65-17=48'] Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,16 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[17, 58], Operations: ['3+14=17', '65-7=58'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,16 unequal: No Solution Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[65, 10], Operations: ['3+14=17', '17-7=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,16 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[65, 24], Operations: ['3+14=17', '7+17=24'] Exploring Operation: 65*24=1560, Resulting Numbers: [1560] 1560,16 unequal: No Solution Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[17, 72], Operations: ['3+14=17', '65+7=72'] Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 17*72=1224, Resulting Numbers: [1224] 1224,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 17, 63, 8, 71 ]
52
[ "17+71=88", "88/8=11", "63-11=52" ]
Current State: 52:[17, 63, 8, 71], Operations: [] Exploring Operation: 17+71=88, Resulting Numbers: [63, 8, 88] Generated Node #2: [63, 8, 88] from Operation: 17+71=88 Current State: 52:[63, 8, 88], Operations: ['17+71=88'] Exploring Operation: 88/8=11, Resulting Numbers: [63, 11] Generated Node #3: [63, 11] from Operation: 88/8=11 Current State: 52:[63, 11], Operations: ['17+71=88', '88/8=11'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[17, 63, 8, 71], Operations: [] Exploring Operation: 63-8=55, Resulting Numbers: [17, 71, 55] Generated Node #0,0: 52:[17, 71, 55] Operation: 63-8=55 Exploring Operation: 71-17=54, Resulting Numbers: [63, 8, 54] Generated Node #0,1: 52:[63, 8, 54] Operation: 71-17=54 Exploring Operation: 71-63=8, Resulting Numbers: [17, 8, 8] Generated Node #0,2: 52:[17, 8, 8] Operation: 71-63=8 Exploring Operation: 71-8=63, Resulting Numbers: [17, 63, 63] Generated Node #0,3: 52:[17, 63, 63] Operation: 71-8=63 Exploring Operation: 63-17=46, Resulting Numbers: [8, 71, 46] Generated Node #0,4: 52:[8, 71, 46] Operation: 63-17=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[17, 8, 8], Operations: ['71-63=8'] Exploring Operation: 8-8=0, Resulting Numbers: [17, 0] Generated Node #0,2,0: 52:[17, 0] Operation: 8-8=0 Exploring Operation: 17+8=25, Resulting Numbers: [8, 25] Generated Node #0,2,1: 52:[8, 25] Operation: 17+8=25 Exploring Operation: 8/8=1, Resulting Numbers: [17, 1] Generated Node #0,2,2: 52:[17, 1] Operation: 8/8=1 Exploring Operation: 17+8=25, Resulting Numbers: [8, 25] Generated Node #0,2,3: 52:[8, 25] Operation: 17+8=25 Exploring Operation: 8+8=16, Resulting Numbers: [17, 16] Generated Node #0,2,4: 52:[17, 16] Operation: 8+8=16 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 52:[8, 25], Operations: ['71-63=8', '17+8=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,52 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,52 unequal: No Solution No 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: 52:[17, 1], Operations: ['71-63=8', '8/8=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,52 unequal: No Solution No 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: 52:[8, 25], Operations: ['71-63=8', '17+8=25'] Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,52 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,52 unequal: No Solution No 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: 52:[17, 0], Operations: ['71-63=8', '8-8=0'] Exploring Operation: 17*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 52:[17, 16], Operations: ['71-63=8', '8+8=16'] Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,52 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: 52:[63, 8, 54], Operations: ['71-17=54'] Exploring Operation: 54-8=46, Resulting Numbers: [63, 46] Generated Node #0,1,0: 52:[63, 46] Operation: 54-8=46 Exploring Operation: 8+54=62, Resulting Numbers: [63, 62] Generated Node #0,1,1: 52:[63, 62] Operation: 8+54=62 Exploring Operation: 63+8=71, Resulting Numbers: [54, 71] Generated Node #0,1,2: 52:[54, 71] Operation: 63+8=71 Exploring Operation: 63-8=55, Resulting Numbers: [54, 55] Generated Node #0,1,3: 52:[54, 55] Operation: 63-8=55 Exploring Operation: 63-54=9, Resulting Numbers: [8, 9] Generated Node #0,1,4: 52:[8, 9] Operation: 63-54=9 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 52:[54, 55], Operations: ['71-17=54', '63-8=55'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,52 unequal: No Solution Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,52 unequal: No Solution No 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: 52:[8, 9], Operations: ['71-17=54', '63-54=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,52 unequal: No Solution No 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: 52:[63, 46], Operations: ['71-17=54', '54-8=46'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 63+46=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 63*46=2898, Resulting Numbers: [2898] 2898,52 unequal: No Solution No 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: 52:[63, 62], Operations: ['71-17=54', '8+54=62'] Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 63*62=3906, Resulting Numbers: [3906] 3906,52 unequal: No Solution Exploring Operation: 63+62=125, Resulting Numbers: [125] 125,52 unequal: No Solution No 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: 52:[54, 71], Operations: ['71-17=54', '63+8=71'] Exploring Operation: 54*71=3834, Resulting Numbers: [3834] 3834,52 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 54+71=125, Resulting Numbers: [125] 125,52 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: 52:[17, 71, 55], Operations: ['63-8=55'] Exploring Operation: 17+71=88, Resulting Numbers: [55, 88] Generated Node #0,0,0: 52:[55, 88] Operation: 17+71=88 Exploring Operation: 55-17=38, Resulting Numbers: [71, 38] Generated Node #0,0,1: 52:[71, 38] Operation: 55-17=38 Exploring Operation: 71-55=16, Resulting Numbers: [17, 16] Generated Node #0,0,2: 52:[17, 16] Operation: 71-55=16 Exploring Operation: 71-17=54, Resulting Numbers: [55, 54] Generated Node #0,0,3: 52:[55, 54] Operation: 71-17=54 Exploring Operation: 17+55=72, Resulting Numbers: [71, 72] Generated Node #0,0,4: 52:[71, 72] Operation: 17+55=72 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 52:[55, 54], Operations: ['63-8=55', '71-17=54'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,52 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,52 unequal: No Solution No 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: 52:[17, 16], Operations: ['63-8=55', '71-55=16'] Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,52 unequal: No Solution No 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: 52:[71, 38], Operations: ['63-8=55', '55-17=38'] Exploring Operation: 71+38=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 71*38=2698, Resulting Numbers: [2698] 2698,52 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,52 unequal: No Solution No 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: 52:[55, 88], Operations: ['63-8=55', '17+71=88'] Exploring Operation: 55*88=4840, Resulting Numbers: [4840] 4840,52 unequal: No Solution Exploring Operation: 55+88=143, Resulting Numbers: [143] 143,52 unequal: No Solution Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,52 unequal: No Solution No 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: 52:[71, 72], Operations: ['63-8=55', '17+55=72'] Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,52 unequal: No Solution Exploring Operation: 71*72=5112, Resulting Numbers: [5112] 5112,52 unequal: No Solution Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,52 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: 52:[17, 63, 63], Operations: ['71-8=63'] Exploring Operation: 63-17=46, Resulting Numbers: [63, 46] Generated Node #0,3,0: 52:[63, 46] Operation: 63-17=46 Exploring Operation: 63-17=46, Resulting Numbers: [63, 46] Generated Node #0,3,1: 52:[63, 46] Operation: 63-17=46 Exploring Operation: 63/63=1, Resulting Numbers: [17, 1] Generated Node #0,3,2: 52:[17, 1] Operation: 63/63=1 Exploring Operation: 17+63=80, Resulting Numbers: [63, 80] Generated Node #0,3,3: 52:[63, 80] Operation: 17+63=80 Exploring Operation: 63-63=0, Resulting Numbers: [17, 0] Generated Node #0,3,4: 52:[17, 0] Operation: 63-63=0 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 52:[17, 1], Operations: ['71-8=63', '63/63=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,52 unequal: No Solution No 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: 52:[17, 0], Operations: ['71-8=63', '63-63=0'] Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 17*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution No 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: 52:[63, 46], Operations: ['71-8=63', '63-17=46'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 63*46=2898, Resulting Numbers: [2898] 2898,52 unequal: No Solution Exploring Operation: 63+46=109, Resulting Numbers: [109] 109,52 unequal: No Solution No 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: 52:[63, 46], Operations: ['71-8=63', '63-17=46'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 63+46=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 63*46=2898, Resulting Numbers: [2898] 2898,52 unequal: No Solution No 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: 52:[63, 80], Operations: ['71-8=63', '17+63=80'] Exploring Operation: 63+80=143, Resulting Numbers: [143] 143,52 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 63*80=5040, Resulting Numbers: [5040] 5040,52 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: 52:[8, 71, 46], Operations: ['63-17=46'] Exploring Operation: 71-8=63, Resulting Numbers: [46, 63] Generated Node #0,4,0: 52:[46, 63] Operation: 71-8=63 Exploring Operation: 46-8=38, Resulting Numbers: [71, 38] Generated Node #0,4,1: 52:[71, 38] Operation: 46-8=38 Exploring Operation: 71-46=25, Resulting Numbers: [8, 25] Generated Node #0,4,2: 52:[8, 25] Operation: 71-46=25 Exploring Operation: 8+71=79, Resulting Numbers: [46, 79] Generated Node #0,4,3: 52:[46, 79] Operation: 8+71=79 Exploring Operation: 8+46=54, Resulting Numbers: [71, 54] Generated Node #0,4,4: 52:[71, 54] Operation: 8+46=54 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 52:[8, 25], Operations: ['63-17=46', '71-46=25'] Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,52 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,52 unequal: No Solution No 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: 52:[46, 63], Operations: ['63-17=46', '71-8=63'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,52 unequal: No Solution No 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: 52:[71, 54], Operations: ['63-17=46', '8+46=54'] Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,52 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,52 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,52 unequal: No Solution No 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: 52:[71, 38], Operations: ['63-17=46', '46-8=38'] Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 71*38=2698, Resulting Numbers: [2698] 2698,52 unequal: No Solution Exploring Operation: 71+38=109, Resulting Numbers: [109] 109,52 unequal: No Solution No 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: 52:[46, 79], Operations: ['63-17=46', '8+71=79'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 46*79=3634, Resulting Numbers: [3634] 3634,52 unequal: No Solution Exploring Operation: 46+79=125, Resulting Numbers: [125] 125,52 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
[ 9, 35, 45, 60 ]
12
[ "35+45=80", "9*80=720", "720/60=12" ]
Current State: 12:[9, 35, 45, 60], Operations: [] Exploring Operation: 35+45=80, Resulting Numbers: [9, 60, 80] Generated Node #2: [9, 60, 80] from Operation: 35+45=80 Current State: 12:[9, 60, 80], Operations: ['35+45=80'] Exploring Operation: 9*80=720, Resulting Numbers: [60, 720] Generated Node #3: [60, 720] from Operation: 9*80=720 Current State: 12:[60, 720], Operations: ['35+45=80', '9*80=720'] Exploring Operation: 720/60=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[9, 35, 45, 60], Operations: [] Exploring Operation: 60-35=25, Resulting Numbers: [9, 45, 25] Generated Node #0,0: 12:[9, 45, 25] Operation: 60-35=25 Exploring Operation: 60-45=15, Resulting Numbers: [9, 35, 15] Generated Node #0,1: 12:[9, 35, 15] Operation: 60-45=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[9, 35, 15], Operations: ['60-45=15'] Exploring Operation: 35-9=26, Resulting Numbers: [15, 26] Generated Node #0,1,0: 12:[15, 26] Operation: 35-9=26 Exploring Operation: 35-15=20, Resulting Numbers: [9, 20] Generated Node #0,1,1: 12:[9, 20] Operation: 35-15=20 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[9, 20], Operations: ['60-45=15', '35-15=20'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[15, 26], Operations: ['60-45=15', '35-9=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[9, 45, 25], Operations: ['60-35=25'] Exploring Operation: 45-25=20, Resulting Numbers: [9, 20] Generated Node #0,0,0: 12:[9, 20] Operation: 45-25=20 Exploring Operation: 45/9=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 12:[25, 5] Operation: 45/9=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[9, 20], Operations: ['60-35=25', '45-25=20'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[25, 5], Operations: ['60-35=25', '45/9=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 57, 26, 1, 53 ]
100
[ "57-53=4", "26-1=25", "4*25=100" ]
Current State: 100:[57, 26, 1, 53], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [26, 1, 4] Generated Node #2: [26, 1, 4] from Operation: 57-53=4 Current State: 100:[26, 1, 4], Operations: ['57-53=4'] Exploring Operation: 26-1=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 26-1=25 Current State: 100:[4, 25], Operations: ['57-53=4', '26-1=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[57, 26, 1, 53], Operations: [] Exploring Operation: 57-26=31, Resulting Numbers: [1, 53, 31] Generated Node #0,0: 100:[1, 53, 31] Operation: 57-26=31 Exploring Operation: 57-1=56, Resulting Numbers: [26, 53, 56] Generated Node #0,1: 100:[26, 53, 56] Operation: 57-1=56 Exploring Operation: 57-53=4, Resulting Numbers: [26, 1, 4] Generated Node #0,2: 100:[26, 1, 4] Operation: 57-53=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[26, 1, 4], Operations: ['57-53=4'] Exploring Operation: 26/1=26, Resulting Numbers: [4, 26] Generated Node #0,2,0: 100:[4, 26] Operation: 26/1=26 Exploring Operation: 26*1=26, Resulting Numbers: [4, 26] Generated Node #0,2,1: 100:[4, 26] Operation: 26*1=26 Exploring Operation: 26-1=25, Resulting Numbers: [4, 25] Generated Node #0,2,2: 100:[4, 25] Operation: 26-1=25 Moving to Node #0,2,2 Current State: 100:[4, 25], Operations: ['57-53=4', '26-1=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[57, 26, 1, 53], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [26, 1, 4] Generated Node #0,2: 100:[26, 1, 4] Operation: 57-53=4 Moving to Node #0,2 Current State: 100:[26, 1, 4], Operations: ['57-53=4'] Exploring Operation: 26-1=25, Resulting Numbers: [4, 25] Generated Node #0,2,2: 100:[4, 25] Operation: 26-1=25 Moving to Node #0,2,2 Current State: 100:[4, 25], Operations: ['57-53=4', '26-1=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 6, 20, 25, 84 ]
70
[ "84/6=14", "25-20=5", "14*5=70" ]
Current State: 70:[6, 20, 25, 84], Operations: [] Exploring Operation: 84/6=14, Resulting Numbers: [20, 25, 14] Generated Node #2: [20, 25, 14] from Operation: 84/6=14 Current State: 70:[20, 25, 14], Operations: ['84/6=14'] Exploring Operation: 25-20=5, Resulting Numbers: [14, 5] Generated Node #3: [14, 5] from Operation: 25-20=5 Current State: 70:[14, 5], Operations: ['84/6=14', '25-20=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[6, 20, 25, 84], Operations: [] Exploring Operation: 84-25=59, Resulting Numbers: [6, 20, 59] Generated Node #0,0: 70:[6, 20, 59] Operation: 84-25=59 Exploring Operation: 84/6=14, Resulting Numbers: [20, 25, 14] Generated Node #0,1: 70:[20, 25, 14] Operation: 84/6=14 Exploring Operation: 25-20=5, Resulting Numbers: [6, 84, 5] Generated Node #0,2: 70:[6, 84, 5] Operation: 25-20=5 Exploring Operation: 84-20=64, Resulting Numbers: [6, 25, 64] Generated Node #0,3: 70:[6, 25, 64] Operation: 84-20=64 Exploring Operation: 20-6=14, Resulting Numbers: [25, 84, 14] Generated Node #0,4: 70:[25, 84, 14] Operation: 20-6=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[6, 84, 5], Operations: ['25-20=5'] Exploring Operation: 84-5=79, Resulting Numbers: [6, 79] Generated Node #0,2,0: 70:[6, 79] Operation: 84-5=79 Exploring Operation: 6-5=1, Resulting Numbers: [84, 1] Generated Node #0,2,1: 70:[84, 1] Operation: 6-5=1 Exploring Operation: 84/6=14, Resulting Numbers: [5, 14] Generated Node #0,2,2: 70:[5, 14] Operation: 84/6=14 Exploring Operation: 6+5=11, Resulting Numbers: [84, 11] Generated Node #0,2,3: 70:[84, 11] Operation: 6+5=11 Exploring Operation: 84-6=78, Resulting Numbers: [5, 78] Generated Node #0,2,4: 70:[5, 78] Operation: 84-6=78 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 70:[5, 14], Operations: ['25-20=5', '84/6=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[6, 20, 25, 84], Operations: [] Exploring Operation: 25-20=5, Resulting Numbers: [6, 84, 5] Generated Node #0,2: 70:[6, 84, 5] Operation: 25-20=5 Moving to Node #0,2 Current State: 70:[6, 84, 5], Operations: ['25-20=5'] Exploring Operation: 84/6=14, Resulting Numbers: [5, 14] Generated Node #0,2,2: 70:[5, 14] Operation: 84/6=14 Moving to Node #0,2,2 Current State: 70:[5, 14], Operations: ['25-20=5', '84/6=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 91, 97, 93, 43 ]
70
[ "93-91=2", "97+43=140", "140/2=70" ]
Current State: 70:[91, 97, 93, 43], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [97, 43, 2] Generated Node #2: [97, 43, 2] from Operation: 93-91=2 Current State: 70:[97, 43, 2], Operations: ['93-91=2'] Exploring Operation: 97+43=140, Resulting Numbers: [2, 140] Generated Node #3: [2, 140] from Operation: 97+43=140 Current State: 70:[2, 140], Operations: ['93-91=2', '97+43=140'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[91, 97, 93, 43], Operations: [] Exploring Operation: 97-91=6, Resulting Numbers: [93, 43, 6] Generated Node #0,0: 70:[93, 43, 6] Operation: 97-91=6 Exploring Operation: 97-93=4, Resulting Numbers: [91, 43, 4] Generated Node #0,1: 70:[91, 43, 4] Operation: 97-93=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[91, 43, 4], Operations: ['97-93=4'] Exploring Operation: 91-4=87, Resulting Numbers: [43, 87] Generated Node #0,1,0: 70:[43, 87] Operation: 91-4=87 Exploring Operation: 91-43=48, Resulting Numbers: [4, 48] Generated Node #0,1,1: 70:[4, 48] Operation: 91-43=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[4, 48], Operations: ['97-93=4', '91-43=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[43, 87], Operations: ['97-93=4', '91-4=87'] Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,70 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[93, 43, 6], Operations: ['97-91=6'] Exploring Operation: 93-6=87, Resulting Numbers: [43, 87] Generated Node #0,0,0: 70:[43, 87] Operation: 93-6=87 Exploring Operation: 93-43=50, Resulting Numbers: [6, 50] Generated Node #0,0,1: 70:[6, 50] Operation: 93-43=50 Moving to Node #0,0,1 Current State: 70:[6, 50], Operations: ['97-91=6', '93-43=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[43, 87], Operations: ['97-91=6', '93-6=87'] Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,70 unequal: No Solution Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,70 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
[ 36, 3, 44, 40 ]
40
[ "36+44=80", "3*40=120", "120-80=40" ]
Current State: 40:[36, 3, 44, 40], Operations: [] Exploring Operation: 36+44=80, Resulting Numbers: [3, 40, 80] Generated Node #2: [3, 40, 80] from Operation: 36+44=80 Current State: 40:[3, 40, 80], Operations: ['36+44=80'] Exploring Operation: 3*40=120, Resulting Numbers: [80, 120] Generated Node #3: [80, 120] from Operation: 3*40=120 Current State: 40:[80, 120], Operations: ['36+44=80', '3*40=120'] Exploring Operation: 120-80=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[36, 3, 44, 40], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [3, 40, 8] Generated Node #0,0: 40:[3, 40, 8] Operation: 44-36=8 Exploring Operation: 44-3=41, Resulting Numbers: [36, 40, 41] Generated Node #0,1: 40:[36, 40, 41] Operation: 44-3=41 Exploring Operation: 36+3=39, Resulting Numbers: [44, 40, 39] Generated Node #0,2: 40:[44, 40, 39] Operation: 36+3=39 Exploring Operation: 40-36=4, Resulting Numbers: [3, 44, 4] Generated Node #0,3: 40:[3, 44, 4] Operation: 40-36=4 Moving to Node #0,0 Current State: 40:[3, 40, 8], Operations: ['44-36=8'] Exploring Operation: 40/8=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 40:[3, 5] Operation: 40/8=5 Exploring Operation: 3+40=43, Resulting Numbers: [8, 43] Generated Node #0,0,1: 40:[8, 43] Operation: 3+40=43 Exploring Operation: 3+8=11, Resulting Numbers: [40, 11] Generated Node #0,0,2: 40:[40, 11] Operation: 3+8=11 Exploring Operation: 8-3=5, Resulting Numbers: [40, 5] Generated Node #0,0,3: 40:[40, 5] Operation: 8-3=5 Moving to Node #0,2 Current State: 40:[44, 40, 39], Operations: ['36+3=39'] Exploring Operation: 44-39=5, Resulting Numbers: [40, 5] Generated Node #0,2,0: 40:[40, 5] Operation: 44-39=5 Exploring Operation: 40-39=1, Resulting Numbers: [44, 1] Generated Node #0,2,1: 40:[44, 1] Operation: 40-39=1 Exploring Operation: 44-40=4, Resulting Numbers: [39, 4] Generated Node #0,2,2: 40:[39, 4] Operation: 44-40=4 Exploring Operation: 44+39=83, Resulting Numbers: [40, 83] Generated Node #0,2,3: 40:[40, 83] Operation: 44+39=83 Moving to Node #0,1 Current State: 40:[36, 40, 41], Operations: ['44-3=41'] Exploring Operation: 36+40=76, Resulting Numbers: [41, 76] Generated Node #0,1,0: 40:[41, 76] Operation: 36+40=76 Exploring Operation: 41-40=1, Resulting Numbers: [36, 1] Generated Node #0,1,1: 40:[36, 1] Operation: 41-40=1 Exploring Operation: 41-36=5, Resulting Numbers: [40, 5] Generated Node #0,1,2: 40:[40, 5] Operation: 41-36=5 Exploring Operation: 40-36=4, Resulting Numbers: [41, 4] Generated Node #0,1,3: 40:[41, 4] Operation: 40-36=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[40, 5], Operations: ['44-3=41', '41-36=5'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,40 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 40:[41, 4], Operations: ['44-3=41', '40-36=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,40 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[36, 1], Operations: ['44-3=41', '41-40=1'] Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[41, 76], Operations: ['44-3=41', '36+40=76'] Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 41+76=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 41*76=3116, Resulting Numbers: [3116] 3116,40 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: 40:[3, 44, 4], Operations: ['40-36=4'] Exploring Operation: 44/4=11, Resulting Numbers: [3, 11] Generated Node #0,3,0: 40:[3, 11] Operation: 44/4=11 Exploring Operation: 3+4=7, Resulting Numbers: [44, 7] Generated Node #0,3,1: 40:[44, 7] Operation: 3+4=7 Exploring Operation: 44-3=41, Resulting Numbers: [4, 41] Generated Node #0,3,2: 40:[4, 41] Operation: 44-3=41 Exploring Operation: 44-4=40, Resulting Numbers: [3, 40] Generated Node #0,3,3: 40:[3, 40] Operation: 44-4=40 Moving to Node #0,0,3 Current State: 40:[40, 5], Operations: ['44-36=8', '8-3=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,40 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[40, 5], Operations: ['36+3=39', '44-39=5'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,40 unequal: No Solution Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[40, 11], Operations: ['44-36=8', '3+8=11'] Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,40 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[39, 4], Operations: ['36+3=39', '44-40=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,40 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[3, 5], Operations: ['44-36=8', '40/8=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[3, 40], Operations: ['40-36=4', '44-4=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,40 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,3,2 Current State: 40:[4, 41], Operations: ['40-36=4', '44-3=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,40 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,40 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,40 unequal: No Solution Moving to Node #0,3,0 Current State: 40:[3, 11], Operations: ['40-36=4', '44/4=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[8, 43], Operations: ['44-36=8', '3+40=43'] Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,40 unequal: No Solution Moving to Node #0,3,1 Current State: 40:[44, 7], Operations: ['40-36=4', '3+4=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[44, 1], Operations: ['36+3=39', '40-39=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,40 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[40, 83], Operations: ['36+3=39', '44+39=83'] Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,40 unequal: No Solution Exploring Operation: 40+83=123, Resulting Numbers: [123] 123,40 unequal: No Solution Exploring Operation: 40*83=3320, Resulting Numbers: [3320] 3320,40 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 8, 37, 10, 95 ]
76
[ "37-8=29", "10+95=105", "105-29=76" ]
Current State: 76:[8, 37, 10, 95], Operations: [] Exploring Operation: 37-8=29, Resulting Numbers: [10, 95, 29] Generated Node #2: [10, 95, 29] from Operation: 37-8=29 Current State: 76:[10, 95, 29], Operations: ['37-8=29'] Exploring Operation: 10+95=105, Resulting Numbers: [29, 105] Generated Node #3: [29, 105] from Operation: 10+95=105 Current State: 76:[29, 105], Operations: ['37-8=29', '10+95=105'] Exploring Operation: 105-29=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[8, 37, 10, 95], Operations: [] Exploring Operation: 95-10=85, Resulting Numbers: [8, 37, 85] Generated Node #0,0: 76:[8, 37, 85] Operation: 95-10=85 Exploring Operation: 95-8=87, Resulting Numbers: [37, 10, 87] Generated Node #0,1: 76:[37, 10, 87] Operation: 95-8=87 Exploring Operation: 10-8=2, Resulting Numbers: [37, 95, 2] Generated Node #0,2: 76:[37, 95, 2] Operation: 10-8=2 Moving to Node #0,0 Current State: 76:[8, 37, 85], Operations: ['95-10=85'] Exploring Operation: 8+37=45, Resulting Numbers: [85, 45] Generated Node #0,0,0: 76:[85, 45] Operation: 8+37=45 Exploring Operation: 85-8=77, Resulting Numbers: [37, 77] Generated Node #0,0,1: 76:[37, 77] Operation: 85-8=77 Exploring Operation: 85-37=48, Resulting Numbers: [8, 48] Generated Node #0,0,2: 76:[8, 48] Operation: 85-37=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[37, 77], Operations: ['95-10=85', '85-8=77'] Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,76 unequal: No Solution Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[8, 48], Operations: ['95-10=85', '85-37=48'] Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,76 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[85, 45], Operations: ['95-10=85', '8+37=45'] Exploring Operation: 85-45=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 85*45=3825, Resulting Numbers: [3825] 3825,76 unequal: No Solution Exploring Operation: 85+45=130, Resulting Numbers: [130] 130,76 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: 76:[37, 10, 87], Operations: ['95-8=87'] Exploring Operation: 87-37=50, Resulting Numbers: [10, 50] Generated Node #0,1,0: 76:[10, 50] Operation: 87-37=50 Exploring Operation: 37-10=27, Resulting Numbers: [87, 27] Generated Node #0,1,1: 76:[87, 27] Operation: 37-10=27 Exploring Operation: 87-10=77, Resulting Numbers: [37, 77] Generated Node #0,1,2: 76:[37, 77] Operation: 87-10=77 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[37, 77], Operations: ['95-8=87', '87-10=77'] Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,76 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[10, 50], Operations: ['95-8=87', '87-37=50'] Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[87, 27], Operations: ['95-8=87', '37-10=27'] Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,76 unequal: No Solution Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,76 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: 76:[37, 95, 2], Operations: ['10-8=2'] Exploring Operation: 37+2=39, Resulting Numbers: [95, 39] Generated Node #0,2,0: 76:[95, 39] Operation: 37+2=39 Exploring Operation: 95-37=58, Resulting Numbers: [2, 58] Generated Node #0,2,1: 76:[2, 58] Operation: 95-37=58 Exploring Operation: 95-2=93, Resulting Numbers: [37, 93] Generated Node #0,2,2: 76:[37, 93] Operation: 95-2=93 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[2, 58], Operations: ['10-8=2', '95-37=58'] Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[37, 93], Operations: ['10-8=2', '95-2=93'] Exploring Operation: 37*93=3441, Resulting Numbers: [3441] 3441,76 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,76 unequal: No Solution Exploring Operation: 37+93=130, Resulting Numbers: [130] 130,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[95, 39], Operations: ['10-8=2', '37+2=39'] Exploring Operation: 95+39=134, Resulting Numbers: [134] 134,76 unequal: No Solution Exploring Operation: 95*39=3705, Resulting Numbers: [3705] 3705,76 unequal: No Solution Exploring Operation: 95-39=56, Resulting Numbers: [56] 56,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 30, 99, 39, 50 ]
21
[ "50-39=11", "99/11=9", "30-9=21" ]
Current State: 21:[30, 99, 39, 50], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [30, 99, 11] Generated Node #2: [30, 99, 11] from Operation: 50-39=11 Current State: 21:[30, 99, 11], Operations: ['50-39=11'] Exploring Operation: 99/11=9, Resulting Numbers: [30, 9] Generated Node #3: [30, 9] from Operation: 99/11=9 Current State: 21:[30, 9], Operations: ['50-39=11', '99/11=9'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[30, 99, 39, 50], Operations: [] Exploring Operation: 99-50=49, Resulting Numbers: [30, 39, 49] Generated Node #0,0: 21:[30, 39, 49] Operation: 99-50=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[30, 39, 49], Operations: ['99-50=49'] Exploring Operation: 49-39=10, Resulting Numbers: [30, 10] Generated Node #0,0,0: 21:[30, 10] Operation: 49-39=10 Moving to Node #0,0,0 Current State: 21:[30, 10], Operations: ['99-50=49', '49-39=10'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,21 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
[ 69, 9, 5, 36 ]
91
[ "69-9=60", "36-5=31", "60+31=91" ]
Current State: 91:[69, 9, 5, 36], Operations: [] Exploring Operation: 69-9=60, Resulting Numbers: [5, 36, 60] Generated Node #2: [5, 36, 60] from Operation: 69-9=60 Current State: 91:[5, 36, 60], Operations: ['69-9=60'] Exploring Operation: 36-5=31, Resulting Numbers: [60, 31] Generated Node #3: [60, 31] from Operation: 36-5=31 Current State: 91:[60, 31], Operations: ['69-9=60', '36-5=31'] Exploring Operation: 60+31=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[69, 9, 5, 36], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [69, 5, 4] Generated Node #0,0: 91:[69, 5, 4] Operation: 36/9=4 Exploring Operation: 69+36=105, Resulting Numbers: [9, 5, 105] Generated Node #0,1: 91:[9, 5, 105] Operation: 69+36=105 Exploring Operation: 69-36=33, Resulting Numbers: [9, 5, 33] Generated Node #0,2: 91:[9, 5, 33] Operation: 69-36=33 Moving to Node #0,1 Current State: 91:[9, 5, 105], Operations: ['69+36=105'] Exploring Operation: 105-5=100, Resulting Numbers: [9, 100] Generated Node #0,1,0: 91:[9, 100] Operation: 105-5=100 Exploring Operation: 105/5=21, Resulting Numbers: [9, 21] Generated Node #0,1,1: 91:[9, 21] Operation: 105/5=21 Exploring Operation: 105-9=96, Resulting Numbers: [5, 96] Generated Node #0,1,2: 91:[5, 96] Operation: 105-9=96 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[5, 96], Operations: ['69+36=105', '105-9=96'] Exploring Operation: 5+96=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 5*96=480, Resulting Numbers: [480] 480,91 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[69, 9, 5, 36], Operations: [] Exploring Operation: 69+36=105, Resulting Numbers: [9, 5, 105] Generated Node #0,1: 91:[9, 5, 105] Operation: 69+36=105 Moving to Node #0,1 Current State: 91:[9, 5, 105], Operations: ['69+36=105'] Exploring Operation: 105-9=96, Resulting Numbers: [5, 96] Generated Node #0,1,2: 91:[5, 96] Operation: 105-9=96 Moving to Node #0,1,2 Current State: 91:[5, 96], Operations: ['69+36=105', '105-9=96'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 63, 76, 97, 5 ]
37
[ "63+76=139", "97+5=102", "139-102=37" ]
Current State: 37:[63, 76, 97, 5], Operations: [] Exploring Operation: 63+76=139, Resulting Numbers: [97, 5, 139] Generated Node #2: [97, 5, 139] from Operation: 63+76=139 Current State: 37:[97, 5, 139], Operations: ['63+76=139'] Exploring Operation: 97+5=102, Resulting Numbers: [139, 102] Generated Node #3: [139, 102] from Operation: 97+5=102 Current State: 37:[139, 102], Operations: ['63+76=139', '97+5=102'] Exploring Operation: 139-102=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[63, 76, 97, 5], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [76, 5, 34] Generated Node #0,0: 37:[76, 5, 34] Operation: 97-63=34 Exploring Operation: 97-76=21, Resulting Numbers: [63, 5, 21] Generated Node #0,1: 37:[63, 5, 21] Operation: 97-76=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[76, 5, 34], Operations: ['97-63=34'] Exploring Operation: 76-34=42, Resulting Numbers: [5, 42] Generated Node #0,0,0: 37:[5, 42] Operation: 76-34=42 Exploring Operation: 76-5=71, Resulting Numbers: [34, 71] Generated Node #0,0,1: 37:[34, 71] Operation: 76-5=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[5, 42], Operations: ['97-63=34', '76-34=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[63, 76, 97, 5], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [76, 5, 34] Generated Node #0,0: 37:[76, 5, 34] Operation: 97-63=34 Moving to Node #0,0 Current State: 37:[76, 5, 34], Operations: ['97-63=34'] Exploring Operation: 76-34=42, Resulting Numbers: [5, 42] Generated Node #0,0,0: 37:[5, 42] Operation: 76-34=42 Moving to Node #0,0,0 Current State: 37:[5, 42], Operations: ['97-63=34', '76-34=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 13, 71, 32, 2 ]
58
[ "13+71=84", "32+84=116", "116/2=58" ]
Current State: 58:[13, 71, 32, 2], Operations: [] Exploring Operation: 13+71=84, Resulting Numbers: [32, 2, 84] Generated Node #2: [32, 2, 84] from Operation: 13+71=84 Current State: 58:[32, 2, 84], Operations: ['13+71=84'] Exploring Operation: 32+84=116, Resulting Numbers: [2, 116] Generated Node #3: [2, 116] from Operation: 32+84=116 Current State: 58:[2, 116], Operations: ['13+71=84', '32+84=116'] Exploring Operation: 116/2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[13, 71, 32, 2], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [71, 32, 26] Generated Node #0,0: 58:[71, 32, 26] Operation: 13*2=26 Exploring Operation: 71-13=58, Resulting Numbers: [32, 2, 58] Generated Node #0,1: 58:[32, 2, 58] Operation: 71-13=58 Exploring Operation: 71-32=39, Resulting Numbers: [13, 2, 39] Generated Node #0,2: 58:[13, 2, 39] Operation: 71-32=39 Moving to Node #0,1 Current State: 58:[32, 2, 58], Operations: ['71-13=58'] Exploring Operation: 58/2=29, Resulting Numbers: [32, 29] Generated Node #0,1,0: 58:[32, 29] Operation: 58/2=29 Exploring Operation: 58-32=26, Resulting Numbers: [2, 26] Generated Node #0,1,1: 58:[2, 26] Operation: 58-32=26 Exploring Operation: 32-2=30, Resulting Numbers: [58, 30] Generated Node #0,1,2: 58:[58, 30] Operation: 32-2=30 Moving to Node #0,0 Current State: 58:[71, 32, 26], Operations: ['13*2=26'] Exploring Operation: 71-32=39, Resulting Numbers: [26, 39] Generated Node #0,0,0: 58:[26, 39] Operation: 71-32=39 Exploring Operation: 71-26=45, Resulting Numbers: [32, 45] Generated Node #0,0,1: 58:[32, 45] Operation: 71-26=45 Exploring Operation: 32+26=58, Resulting Numbers: [71, 58] Generated Node #0,0,2: 58:[71, 58] Operation: 32+26=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[26, 39], Operations: ['13*2=26', '71-32=39'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 26+39=65, Resulting Numbers: [65] 65,58 unequal: No Solution Exploring Operation: 26*39=1014, Resulting Numbers: [1014] 1014,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[71, 58], Operations: ['13*2=26', '32+26=58'] Exploring Operation: 71+58=129, Resulting Numbers: [129] 129,58 unequal: No Solution Exploring Operation: 71*58=4118, Resulting Numbers: [4118] 4118,58 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[32, 45], Operations: ['13*2=26', '71-26=45'] Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 32+45=77, Resulting Numbers: [77] 77,58 unequal: No Solution Exploring Operation: 32*45=1440, Resulting Numbers: [1440] 1440,58 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:[13, 2, 39], Operations: ['71-32=39'] Exploring Operation: 39/13=3, Resulting Numbers: [2, 3] Generated Node #0,2,0: 58:[2, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [2, 26] Generated Node #0,2,1: 58:[2, 26] Operation: 39-13=26 Exploring Operation: 13+39=52, Resulting Numbers: [2, 52] Generated Node #0,2,2: 58:[2, 52] Operation: 13+39=52 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[2, 3], Operations: ['71-32=39', '39/13=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,58 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:[2, 26], Operations: ['71-32=39', '39-13=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,58 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 #0,2,2 Current State: 58:[2, 52], Operations: ['71-32=39', '13+39=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 58:[58, 30], Operations: ['71-13=58', '32-2=30'] Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,58 unequal: No Solution Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[32, 29], Operations: ['71-13=58', '58/2=29'] Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,58 unequal: No Solution Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[2, 26], Operations: ['71-13=58', '58-32=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,58 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 25, 16, 8, 45 ]
46
[ "25-16=9", "45-8=37", "9+37=46" ]
Current State: 46:[25, 16, 8, 45], Operations: [] Exploring Operation: 25-16=9, Resulting Numbers: [8, 45, 9] Generated Node #2: [8, 45, 9] from Operation: 25-16=9 Current State: 46:[8, 45, 9], Operations: ['25-16=9'] Exploring Operation: 45-8=37, Resulting Numbers: [9, 37] Generated Node #3: [9, 37] from Operation: 45-8=37 Current State: 46:[9, 37], Operations: ['25-16=9', '45-8=37'] Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[25, 16, 8, 45], Operations: [] Exploring Operation: 16+8=24, Resulting Numbers: [25, 45, 24] Generated Node #0,0: 46:[25, 45, 24] Operation: 16+8=24 Exploring Operation: 25+16=41, Resulting Numbers: [8, 45, 41] Generated Node #0,1: 46:[8, 45, 41] Operation: 25+16=41 Exploring Operation: 16-8=8, Resulting Numbers: [25, 45, 8] Generated Node #0,2: 46:[25, 45, 8] Operation: 16-8=8 Exploring Operation: 16/8=2, Resulting Numbers: [25, 45, 2] Generated Node #0,3: 46:[25, 45, 2] Operation: 16/8=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[25, 45, 2], Operations: ['16/8=2'] Exploring Operation: 25+2=27, Resulting Numbers: [45, 27] Generated Node #0,3,0: 46:[45, 27] Operation: 25+2=27 Exploring Operation: 45+2=47, Resulting Numbers: [25, 47] Generated Node #0,3,1: 46:[25, 47] Operation: 45+2=47 Exploring Operation: 25-2=23, Resulting Numbers: [45, 23] Generated Node #0,3,2: 46:[45, 23] Operation: 25-2=23 Exploring Operation: 45-25=20, Resulting Numbers: [2, 20] Generated Node #0,3,3: 46:[2, 20] Operation: 45-25=20 Moving to Node #0,3,2 Current State: 46:[45, 23], Operations: ['16/8=2', '25-2=23'] Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,46 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[2, 20], Operations: ['16/8=2', '45-25=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[25, 47], Operations: ['16/8=2', '45+2=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,46 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[45, 27], Operations: ['16/8=2', '25+2=27'] Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,46 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[25, 45, 24], Operations: ['16+8=24'] Exploring Operation: 45-24=21, Resulting Numbers: [25, 21] Generated Node #0,0,0: 46:[25, 21] Operation: 45-24=21 Exploring Operation: 25-24=1, Resulting Numbers: [45, 1] Generated Node #0,0,1: 46:[45, 1] Operation: 25-24=1 Exploring Operation: 45-25=20, Resulting Numbers: [24, 20] Generated Node #0,0,2: 46:[24, 20] Operation: 45-25=20 Exploring Operation: 25+24=49, Resulting Numbers: [45, 49] Generated Node #0,0,3: 46:[45, 49] Operation: 25+24=49 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[45, 1], Operations: ['16+8=24', '25-24=1'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[25, 16, 8, 45], Operations: [] Exploring Operation: 16+8=24, Resulting Numbers: [25, 45, 24] Generated Node #0,0: 46:[25, 45, 24] Operation: 16+8=24 Moving to Node #0,0 Current State: 46:[25, 45, 24], Operations: ['16+8=24'] Exploring Operation: 25-24=1, Resulting Numbers: [45, 1] Generated Node #0,0,1: 46:[45, 1] Operation: 25-24=1 Moving to Node #0,0,1 Current State: 46:[45, 1], Operations: ['16+8=24', '25-24=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 51, 80, 34, 44 ]
59
[ "44-34=10", "80/10=8", "51+8=59" ]
Current State: 59:[51, 80, 34, 44], Operations: [] Exploring Operation: 44-34=10, Resulting Numbers: [51, 80, 10] Generated Node #2: [51, 80, 10] from Operation: 44-34=10 Current State: 59:[51, 80, 10], Operations: ['44-34=10'] Exploring Operation: 80/10=8, Resulting Numbers: [51, 8] Generated Node #3: [51, 8] from Operation: 80/10=8 Current State: 59:[51, 8], Operations: ['44-34=10', '80/10=8'] Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[51, 80, 34, 44], Operations: [] Exploring Operation: 51+34=85, Resulting Numbers: [80, 44, 85] Generated Node #0,0: 59:[80, 44, 85] Operation: 51+34=85 Exploring Operation: 80-44=36, Resulting Numbers: [51, 34, 36] Generated Node #0,1: 59:[51, 34, 36] Operation: 80-44=36 Exploring Operation: 34+44=78, Resulting Numbers: [51, 80, 78] Generated Node #0,2: 59:[51, 80, 78] Operation: 34+44=78 Exploring Operation: 80-34=46, Resulting Numbers: [51, 44, 46] Generated Node #0,3: 59:[51, 44, 46] Operation: 80-34=46 Moving to Node #0,3 Current State: 59:[51, 44, 46], Operations: ['80-34=46'] Exploring Operation: 51+46=97, Resulting Numbers: [44, 97] Generated Node #0,3,0: 59:[44, 97] Operation: 51+46=97 Exploring Operation: 44+46=90, Resulting Numbers: [51, 90] Generated Node #0,3,1: 59:[51, 90] Operation: 44+46=90 Exploring Operation: 51+44=95, Resulting Numbers: [46, 95] Generated Node #0,3,2: 59:[46, 95] Operation: 51+44=95 Exploring Operation: 51-44=7, Resulting Numbers: [46, 7] Generated Node #0,3,3: 59:[46, 7] Operation: 51-44=7 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 59:[51, 90], Operations: ['80-34=46', '44+46=90'] Exploring Operation: 51*90=4590, Resulting Numbers: [4590] 4590,59 unequal: No Solution Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 51+90=141, Resulting Numbers: [141] 141,59 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 #0,3,2 Current State: 59:[46, 95], Operations: ['80-34=46', '51+44=95'] Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,59 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 #0,3,0 Current State: 59:[44, 97], Operations: ['80-34=46', '51+46=97'] Exploring Operation: 44*97=4268, Resulting Numbers: [4268] 4268,59 unequal: No Solution Exploring Operation: 44+97=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,59 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 #0,3,3 Current State: 59:[46, 7], Operations: ['80-34=46', '51-44=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,59 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: 59:[51, 80, 78], Operations: ['34+44=78'] Exploring Operation: 80-51=29, Resulting Numbers: [78, 29] Generated Node #0,2,0: 59:[78, 29] Operation: 80-51=29 Exploring Operation: 51+80=131, Resulting Numbers: [78, 131] Generated Node #0,2,1: 59:[78, 131] Operation: 51+80=131 Exploring Operation: 78-51=27, Resulting Numbers: [80, 27] Generated Node #0,2,2: 59:[80, 27] Operation: 78-51=27 Exploring Operation: 80-78=2, Resulting Numbers: [51, 2] Generated Node #0,2,3: 59:[51, 2] Operation: 80-78=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[78, 29], Operations: ['34+44=78', '80-51=29'] Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,59 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 #0,2,2 Current State: 59:[80, 27], Operations: ['34+44=78', '78-51=27'] Exploring Operation: 80+27=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 80*27=2160, Resulting Numbers: [2160] 2160,59 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 #0,2,3 Current State: 59:[51, 2], Operations: ['34+44=78', '80-78=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,59 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 #0,2,1 Current State: 59:[78, 131], Operations: ['34+44=78', '51+80=131'] Exploring Operation: 78+131=209, Resulting Numbers: [209] 209,59 unequal: No Solution Exploring Operation: 78*131=10218, Resulting Numbers: [10218] 10218,59 unequal: No Solution Exploring Operation: 131-78=53, Resulting Numbers: [53] 53,59 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: 59:[51, 34, 36], Operations: ['80-44=36'] Exploring Operation: 34+36=70, Resulting Numbers: [51, 70] Generated Node #0,1,0: 59:[51, 70] Operation: 34+36=70 Exploring Operation: 51-34=17, Resulting Numbers: [36, 17] Generated Node #0,1,1: 59:[36, 17] Operation: 51-34=17 Exploring Operation: 51+36=87, Resulting Numbers: [34, 87] Generated Node #0,1,2: 59:[34, 87] Operation: 51+36=87 Exploring Operation: 51+34=85, Resulting Numbers: [36, 85] Generated Node #0,1,3: 59:[36, 85] Operation: 51+34=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[51, 70], Operations: ['80-44=36', '34+36=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,59 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,59 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 #0,1,3 Current State: 59:[36, 85], Operations: ['80-44=36', '51+34=85'] Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,59 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 #0,1,2 Current State: 59:[34, 87], Operations: ['80-44=36', '51+36=87'] Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,59 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,59 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 #0,1,1 Current State: 59:[36, 17], Operations: ['80-44=36', '51-34=17'] Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,59 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,59 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: 59:[80, 44, 85], Operations: ['51+34=85'] Exploring Operation: 85-44=41, Resulting Numbers: [80, 41] Generated Node #0,0,0: 59:[80, 41] Operation: 85-44=41 Exploring Operation: 85-80=5, Resulting Numbers: [44, 5] Generated Node #0,0,1: 59:[44, 5] Operation: 85-80=5 Exploring Operation: 80-44=36, Resulting Numbers: [85, 36] Generated Node #0,0,2: 59:[85, 36] Operation: 80-44=36 Exploring Operation: 80+44=124, Resulting Numbers: [85, 124] Generated Node #0,0,3: 59:[85, 124] Operation: 80+44=124 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[80, 41], Operations: ['51+34=85', '85-44=41'] Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,59 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,59 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 #0,0,2 Current State: 59:[85, 36], Operations: ['51+34=85', '80-44=36'] Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 85*36=3060, Resulting Numbers: [3060] 3060,59 unequal: No Solution Exploring Operation: 85+36=121, Resulting Numbers: [121] 121,59 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 #0,0,1 Current State: 59:[44, 5], Operations: ['51+34=85', '85-80=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,59 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,59 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 #0,0,3 Current State: 59:[85, 124], Operations: ['51+34=85', '80+44=124'] Exploring Operation: 85*124=10540, Resulting Numbers: [10540] 10540,59 unequal: No Solution Exploring Operation: 85+124=209, Resulting Numbers: [209] 209,59 unequal: No Solution Exploring Operation: 124-85=39, Resulting Numbers: [39] 39,59 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
[ 40, 23, 43, 86 ]
34
[ "40-23=17", "86/43=2", "17*2=34" ]
Current State: 34:[40, 23, 43, 86], Operations: [] Exploring Operation: 40-23=17, Resulting Numbers: [43, 86, 17] Generated Node #2: [43, 86, 17] from Operation: 40-23=17 Current State: 34:[43, 86, 17], Operations: ['40-23=17'] Exploring Operation: 86/43=2, Resulting Numbers: [17, 2] Generated Node #3: [17, 2] from Operation: 86/43=2 Current State: 34:[17, 2], Operations: ['40-23=17', '86/43=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[40, 23, 43, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [40, 23, 2] Generated Node #0,0: 34:[40, 23, 2] Operation: 86/43=2 Moving to Node #0,0 Current State: 34:[40, 23, 2], Operations: ['86/43=2'] Exploring Operation: 40-23=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 40-23=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['86/43=2', '40-23=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[40, 23, 43, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [40, 23, 2] Generated Node #0,0: 34:[40, 23, 2] Operation: 86/43=2 Moving to Node #0,0 Current State: 34:[40, 23, 2], Operations: ['86/43=2'] Exploring Operation: 40-23=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 40-23=17 Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['86/43=2', '40-23=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 24, 36, 78, 14 ]
47
[ "78*14=1092", "36+1092=1128", "1128/24=47" ]
Current State: 47:[24, 36, 78, 14], Operations: [] Exploring Operation: 78*14=1092, Resulting Numbers: [24, 36, 1092] Generated Node #2: [24, 36, 1092] from Operation: 78*14=1092 Current State: 47:[24, 36, 1092], Operations: ['78*14=1092'] Exploring Operation: 36+1092=1128, Resulting Numbers: [24, 1128] Generated Node #3: [24, 1128] from Operation: 36+1092=1128 Current State: 47:[24, 1128], Operations: ['78*14=1092', '36+1092=1128'] Exploring Operation: 1128/24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[24, 36, 78, 14], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [24, 14, 42] Generated Node #0,0: 47:[24, 14, 42] Operation: 78-36=42 Exploring Operation: 36+14=50, Resulting Numbers: [24, 78, 50] Generated Node #0,1: 47:[24, 78, 50] Operation: 36+14=50 Exploring Operation: 78-14=64, Resulting Numbers: [24, 36, 64] Generated Node #0,2: 47:[24, 36, 64] Operation: 78-14=64 Exploring Operation: 24+14=38, Resulting Numbers: [36, 78, 38] Generated Node #0,3: 47:[36, 78, 38] Operation: 24+14=38 Exploring Operation: 78-24=54, Resulting Numbers: [36, 14, 54] Generated Node #0,4: 47:[36, 14, 54] Operation: 78-24=54 Moving to Node #0,2 Current State: 47:[24, 36, 64], Operations: ['78-14=64'] Exploring Operation: 24+36=60, Resulting Numbers: [64, 60] Generated Node #0,2,0: 47:[64, 60] Operation: 24+36=60 Exploring Operation: 64-24=40, Resulting Numbers: [36, 40] Generated Node #0,2,1: 47:[36, 40] Operation: 64-24=40 Exploring Operation: 24+64=88, Resulting Numbers: [36, 88] Generated Node #0,2,2: 47:[36, 88] Operation: 24+64=88 Exploring Operation: 64-36=28, Resulting Numbers: [24, 28] Generated Node #0,2,3: 47:[24, 28] Operation: 64-36=28 Exploring Operation: 36-24=12, Resulting Numbers: [64, 12] Generated Node #0,2,4: 47:[64, 12] Operation: 36-24=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[36, 40], Operations: ['78-14=64', '64-24=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[64, 60], Operations: ['78-14=64', '24+36=60'] Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 64*60=3840, Resulting Numbers: [3840] 3840,47 unequal: No Solution Exploring Operation: 64+60=124, Resulting Numbers: [124] 124,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[24, 28], Operations: ['78-14=64', '64-36=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,47 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[36, 88], Operations: ['78-14=64', '24+64=88'] Exploring Operation: 36+88=124, Resulting Numbers: [124] 124,47 unequal: No Solution Exploring Operation: 36*88=3168, Resulting Numbers: [3168] 3168,47 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 47:[64, 12], Operations: ['78-14=64', '36-24=12'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 64*12=768, Resulting Numbers: [768] 768,47 unequal: No Solution Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 47:[36, 14, 54], Operations: ['78-24=54'] Exploring Operation: 54-36=18, Resulting Numbers: [14, 18] Generated Node #0,4,0: 47:[14, 18] Operation: 54-36=18 Exploring Operation: 14+54=68, Resulting Numbers: [36, 68] Generated Node #0,4,1: 47:[36, 68] Operation: 14+54=68 Exploring Operation: 54-14=40, Resulting Numbers: [36, 40] Generated Node #0,4,2: 47:[36, 40] Operation: 54-14=40 Exploring Operation: 36-14=22, Resulting Numbers: [54, 22] Generated Node #0,4,3: 47:[54, 22] Operation: 36-14=22 Exploring Operation: 36+14=50, Resulting Numbers: [54, 50] Generated Node #0,4,4: 47:[54, 50] Operation: 36+14=50 Moving to Node #0,3 Current State: 47:[36, 78, 38], Operations: ['24+14=38'] Exploring Operation: 38-36=2, Resulting Numbers: [78, 2] Generated Node #0,3,0: 47:[78, 2] Operation: 38-36=2 Exploring Operation: 36+38=74, Resulting Numbers: [78, 74] Generated Node #0,3,1: 47:[78, 74] Operation: 36+38=74 Exploring Operation: 36+78=114, Resulting Numbers: [38, 114] Generated Node #0,3,2: 47:[38, 114] Operation: 36+78=114 Exploring Operation: 78-38=40, Resulting Numbers: [36, 40] Generated Node #0,3,3: 47:[36, 40] Operation: 78-38=40 Exploring Operation: 78-36=42, Resulting Numbers: [38, 42] Generated Node #0,3,4: 47:[38, 42] Operation: 78-36=42 Moving to Node #0,1 Current State: 47:[24, 78, 50], Operations: ['36+14=50'] Exploring Operation: 24+78=102, Resulting Numbers: [50, 102] Generated Node #0,1,0: 47:[50, 102] Operation: 24+78=102 Exploring Operation: 24+50=74, Resulting Numbers: [78, 74] Generated Node #0,1,1: 47:[78, 74] Operation: 24+50=74 Exploring Operation: 78-24=54, Resulting Numbers: [50, 54] Generated Node #0,1,2: 47:[50, 54] Operation: 78-24=54 Exploring Operation: 78-50=28, Resulting Numbers: [24, 28] Generated Node #0,1,3: 47:[24, 28] Operation: 78-50=28 Exploring Operation: 50-24=26, Resulting Numbers: [78, 26] Generated Node #0,1,4: 47:[78, 26] Operation: 50-24=26 Moving to Node #0,0 Current State: 47:[24, 14, 42], Operations: ['78-36=42'] Exploring Operation: 24+14=38, Resulting Numbers: [42, 38] Generated Node #0,0,0: 47:[42, 38] Operation: 24+14=38 Exploring Operation: 14+42=56, Resulting Numbers: [24, 56] Generated Node #0,0,1: 47:[24, 56] Operation: 14+42=56 Exploring Operation: 24-14=10, Resulting Numbers: [42, 10] Generated Node #0,0,2: 47:[42, 10] Operation: 24-14=10 Exploring Operation: 24+42=66, Resulting Numbers: [14, 66] Generated Node #0,0,3: 47:[14, 66] Operation: 24+42=66 Exploring Operation: 42-14=28, Resulting Numbers: [24, 28] Generated Node #0,0,4: 47:[24, 28] Operation: 42-14=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[42, 38], Operations: ['78-36=42', '24+14=38'] Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,47 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[24, 56], Operations: ['78-36=42', '14+42=56'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[42, 10], Operations: ['78-36=42', '24-14=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,47 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 47:[24, 28], Operations: ['78-36=42', '42-14=28'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,47 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 47:[14, 66], Operations: ['78-36=42', '24+42=66'] Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,47 unequal: No Solution Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 47:[54, 50], Operations: ['78-24=54', '36+14=50'] Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,47 unequal: No Solution Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,47 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[50, 54], Operations: ['36+14=50', '78-24=54'] Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,47 unequal: No Solution Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,47 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[38, 42], Operations: ['24+14=38', '78-36=42'] Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,47 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[36, 40], Operations: ['24+14=38', '78-38=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[36, 40], Operations: ['78-24=54', '54-14=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[36, 68], Operations: ['78-24=54', '14+54=68'] Exploring Operation: 36*68=2448, Resulting Numbers: [2448] 2448,47 unequal: No Solution Exploring Operation: 36+68=104, Resulting Numbers: [104] 104,47 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[54, 22], Operations: ['78-24=54', '36-14=22'] Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,47 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[24, 28], Operations: ['36+14=50', '78-50=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[78, 26], Operations: ['36+14=50', '50-24=26'] Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 78+26=104, Resulting Numbers: [104] 104,47 unequal: No Solution Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 78*26=2028, Resulting Numbers: [2028] 2028,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[50, 102], Operations: ['36+14=50', '24+78=102'] Exploring Operation: 102-50=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 50+102=152, Resulting Numbers: [152] 152,47 unequal: No Solution Exploring Operation: 50*102=5100, Resulting Numbers: [5100] 5100,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[78, 74], Operations: ['36+14=50', '24+50=74'] Exploring Operation: 78*74=5772, Resulting Numbers: [5772] 5772,47 unequal: No Solution Exploring Operation: 78-74=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 78+74=152, Resulting Numbers: [152] 152,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[78, 74], Operations: ['24+14=38', '36+38=74'] Exploring Operation: 78-74=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 78*74=5772, Resulting Numbers: [5772] 5772,47 unequal: No Solution Exploring Operation: 78+74=152, Resulting Numbers: [152] 152,47 unequal: No Solution Moving to Node #0,4,0 Current State: 47:[14, 18], Operations: ['78-24=54', '54-36=18'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,47 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,47 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[78, 2], Operations: ['24+14=38', '38-36=2'] Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,47 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[38, 114], Operations: ['24+14=38', '36+78=114'] Exploring Operation: 38*114=4332, Resulting Numbers: [4332] 4332,47 unequal: No Solution Exploring Operation: 114-38=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 38+114=152, Resulting Numbers: [152] 152,47 unequal: No Solution Exploring Operation: 114/38=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 68, 88, 41, 39 ]
48
[ "41-39=2", "68*2=136", "136-88=48" ]
Current State: 48:[68, 88, 41, 39], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [68, 88, 2] Generated Node #2: [68, 88, 2] from Operation: 41-39=2 Current State: 48:[68, 88, 2], Operations: ['41-39=2'] Exploring Operation: 68*2=136, Resulting Numbers: [88, 136] Generated Node #3: [88, 136] from Operation: 68*2=136 Current State: 48:[88, 136], Operations: ['41-39=2', '68*2=136'] Exploring Operation: 136-88=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[68, 88, 41, 39], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [88, 41, 29] Generated Node #0,0: 48:[88, 41, 29] Operation: 68-39=29 Exploring Operation: 88-41=47, Resulting Numbers: [68, 39, 47] Generated Node #0,1: 48:[68, 39, 47] Operation: 88-41=47 Exploring Operation: 68-41=27, Resulting Numbers: [88, 39, 27] Generated Node #0,2: 48:[88, 39, 27] Operation: 68-41=27 Exploring Operation: 88-68=20, Resulting Numbers: [41, 39, 20] Generated Node #0,3: 48:[41, 39, 20] Operation: 88-68=20 Exploring Operation: 88-39=49, Resulting Numbers: [68, 41, 49] Generated Node #0,4: 48:[68, 41, 49] Operation: 88-39=49 Moving to Node #0,3 Current State: 48:[41, 39, 20], Operations: ['88-68=20'] Exploring Operation: 41+20=61, Resulting Numbers: [39, 61] Generated Node #0,3,0: 48:[39, 61] Operation: 41+20=61 Exploring Operation: 39+20=59, Resulting Numbers: [41, 59] Generated Node #0,3,1: 48:[41, 59] Operation: 39+20=59 Exploring Operation: 39-20=19, Resulting Numbers: [41, 19] Generated Node #0,3,2: 48:[41, 19] Operation: 39-20=19 Exploring Operation: 41-20=21, Resulting Numbers: [39, 21] Generated Node #0,3,3: 48:[39, 21] Operation: 41-20=21 Exploring Operation: 41-39=2, Resulting Numbers: [20, 2] Generated Node #0,3,4: 48:[20, 2] Operation: 41-39=2 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 48:[20, 2], Operations: ['88-68=20', '41-39=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,48 unequal: No Solution No 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: 48:[41, 19], Operations: ['88-68=20', '39-20=19'] Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,48 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,48 unequal: No Solution No 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: 48:[39, 21], Operations: ['88-68=20', '41-20=21'] Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,48 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,48 unequal: No Solution No 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: 48:[41, 59], Operations: ['88-68=20', '39+20=59'] Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 41*59=2419, Resulting Numbers: [2419] 2419,48 unequal: No Solution Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,48 unequal: No Solution No 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: 48:[39, 61], Operations: ['88-68=20', '41+20=61'] Exploring Operation: 39*61=2379, Resulting Numbers: [2379] 2379,48 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 39+61=100, Resulting Numbers: [100] 100,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 48:[68, 41, 49], Operations: ['88-39=49'] Exploring Operation: 49-41=8, Resulting Numbers: [68, 8] Generated Node #0,4,0: 48:[68, 8] Operation: 49-41=8 Exploring Operation: 68+41=109, Resulting Numbers: [49, 109] Generated Node #0,4,1: 48:[49, 109] Operation: 68+41=109 Exploring Operation: 68-41=27, Resulting Numbers: [49, 27] Generated Node #0,4,2: 48:[49, 27] Operation: 68-41=27 Exploring Operation: 68-49=19, Resulting Numbers: [41, 19] Generated Node #0,4,3: 48:[41, 19] Operation: 68-49=19 Exploring Operation: 41+49=90, Resulting Numbers: [68, 90] Generated Node #0,4,4: 48:[68, 90] Operation: 41+49=90 Moving to Node #0,1 Current State: 48:[68, 39, 47], Operations: ['88-41=47'] Exploring Operation: 39+47=86, Resulting Numbers: [68, 86] Generated Node #0,1,0: 48:[68, 86] Operation: 39+47=86 Exploring Operation: 68+39=107, Resulting Numbers: [47, 107] Generated Node #0,1,1: 48:[47, 107] Operation: 68+39=107 Exploring Operation: 47-39=8, Resulting Numbers: [68, 8] Generated Node #0,1,2: 48:[68, 8] Operation: 47-39=8 Exploring Operation: 68-47=21, Resulting Numbers: [39, 21] Generated Node #0,1,3: 48:[39, 21] Operation: 68-47=21 Exploring Operation: 68-39=29, Resulting Numbers: [47, 29] Generated Node #0,1,4: 48:[47, 29] Operation: 68-39=29 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[47, 29], Operations: ['88-41=47', '68-39=29'] Exploring Operation: 47*29=1363, Resulting Numbers: [1363] 1363,48 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,48 unequal: No Solution No 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: 48:[39, 21], Operations: ['88-41=47', '68-47=21'] Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,48 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,48 unequal: No Solution No 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: 48:[68, 8], Operations: ['88-41=47', '47-39=8'] Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,48 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,48 unequal: No Solution No 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: 48:[68, 86], Operations: ['88-41=47', '39+47=86'] Exploring Operation: 68+86=154, Resulting Numbers: [154] 154,48 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 68*86=5848, Resulting Numbers: [5848] 5848,48 unequal: No Solution No 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: 48:[47, 107], Operations: ['88-41=47', '68+39=107'] Exploring Operation: 107-47=60, Resulting Numbers: [60] 60,48 unequal: No Solution Exploring Operation: 47*107=5029, Resulting Numbers: [5029] 5029,48 unequal: No Solution Exploring Operation: 47+107=154, Resulting Numbers: [154] 154,48 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: 48:[88, 41, 29], Operations: ['68-39=29'] Exploring Operation: 88-41=47, Resulting Numbers: [29, 47] Generated Node #0,0,0: 48:[29, 47] Operation: 88-41=47 Exploring Operation: 88+29=117, Resulting Numbers: [41, 117] Generated Node #0,0,1: 48:[41, 117] Operation: 88+29=117 Exploring Operation: 41-29=12, Resulting Numbers: [88, 12] Generated Node #0,0,2: 48:[88, 12] Operation: 41-29=12 Exploring Operation: 88-29=59, Resulting Numbers: [41, 59] Generated Node #0,0,3: 48:[41, 59] Operation: 88-29=59 Exploring Operation: 41+29=70, Resulting Numbers: [88, 70] Generated Node #0,0,4: 48:[88, 70] Operation: 41+29=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[29, 47], Operations: ['68-39=29', '88-41=47'] Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,48 unequal: No Solution No 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: 48:[41, 59], Operations: ['68-39=29', '88-29=59'] Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 41*59=2419, Resulting Numbers: [2419] 2419,48 unequal: No Solution No 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: 48:[88, 12], Operations: ['68-39=29', '41-29=12'] Exploring Operation: 88*12=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,48 unequal: No Solution No 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: 48:[88, 70], Operations: ['68-39=29', '41+29=70'] Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,48 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,48 unequal: No Solution Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,48 unequal: No Solution No 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: 48:[41, 117], Operations: ['68-39=29', '88+29=117'] Exploring Operation: 117-41=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 41+117=158, Resulting Numbers: [158] 158,48 unequal: No Solution Exploring Operation: 41*117=4797, Resulting Numbers: [4797] 4797,48 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: 48:[88, 39, 27], Operations: ['68-41=27'] Exploring Operation: 88-39=49, Resulting Numbers: [27, 49] Generated Node #0,2,0: 48:[27, 49] Operation: 88-39=49 Exploring Operation: 88+27=115, Resulting Numbers: [39, 115] Generated Node #0,2,1: 48:[39, 115] Operation: 88+27=115 Exploring Operation: 39+27=66, Resulting Numbers: [88, 66] Generated Node #0,2,2: 48:[88, 66] Operation: 39+27=66 Exploring Operation: 39-27=12, Resulting Numbers: [88, 12] Generated Node #0,2,3: 48:[88, 12] Operation: 39-27=12 Exploring Operation: 88-27=61, Resulting Numbers: [39, 61] Generated Node #0,2,4: 48:[39, 61] Operation: 88-27=61 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[27, 49], Operations: ['68-41=27', '88-39=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,48 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,48 unequal: No Solution No 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: 48:[39, 61], Operations: ['68-41=27', '88-27=61'] Exploring Operation: 39*61=2379, Resulting Numbers: [2379] 2379,48 unequal: No Solution Exploring Operation: 39+61=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,48 unequal: No Solution No 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: 48:[88, 12], Operations: ['68-41=27', '39-27=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 88*12=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution No 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: 48:[88, 66], Operations: ['68-41=27', '39+27=66'] Exploring Operation: 88*66=5808, Resulting Numbers: [5808] 5808,48 unequal: No Solution Exploring Operation: 88-66=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 88+66=154, Resulting Numbers: [154] 154,48 unequal: No Solution No 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: 48:[39, 115], Operations: ['68-41=27', '88+27=115'] Exploring Operation: 39*115=4485, Resulting Numbers: [4485] 4485,48 unequal: No Solution Exploring Operation: 115-39=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 39+115=154, Resulting Numbers: [154] 154,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 48:[49, 27], Operations: ['88-39=49', '68-41=27'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,48 unequal: No Solution Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,48 unequal: No Solution Moving to Node #0,4,3 Current State: 48:[41, 19], Operations: ['88-39=49', '68-49=19'] Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,48 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,48 unequal: No Solution Moving to Node #0,4,0 Current State: 48:[68, 8], Operations: ['88-39=49', '49-41=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,48 unequal: No Solution Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,48 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,48 unequal: No Solution Moving to Node #0,4,1 Current State: 48:[49, 109], Operations: ['88-39=49', '68+41=109'] Exploring Operation: 49*109=5341, Resulting Numbers: [5341] 5341,48 unequal: No Solution Exploring Operation: 49+109=158, Resulting Numbers: [158] 158,48 unequal: No Solution Exploring Operation: 109-49=60, Resulting Numbers: [60] 60,48 unequal: No Solution Moving to Node #0,4,4 Current State: 48:[68, 90], Operations: ['88-39=49', '41+49=90'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,48 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,48 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 19, 20, 15, 13 ]
53
[ "19*13=247", "20*15=300", "300-247=53" ]
Current State: 53:[19, 20, 15, 13], Operations: [] Exploring Operation: 19*13=247, Resulting Numbers: [20, 15, 247] Generated Node #2: [20, 15, 247] from Operation: 19*13=247 Current State: 53:[20, 15, 247], Operations: ['19*13=247'] Exploring Operation: 20*15=300, Resulting Numbers: [247, 300] Generated Node #3: [247, 300] from Operation: 20*15=300 Current State: 53:[247, 300], Operations: ['19*13=247', '20*15=300'] Exploring Operation: 300-247=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[19, 20, 15, 13], Operations: [] Exploring Operation: 19+15=34, Resulting Numbers: [20, 13, 34] Generated Node #0,0: 53:[20, 13, 34] Operation: 19+15=34 Exploring Operation: 19+20=39, Resulting Numbers: [15, 13, 39] Generated Node #0,1: 53:[15, 13, 39] Operation: 19+20=39 Exploring Operation: 20+15=35, Resulting Numbers: [19, 13, 35] Generated Node #0,2: 53:[19, 13, 35] Operation: 20+15=35 Exploring Operation: 19+13=32, Resulting Numbers: [20, 15, 32] Generated Node #0,3: 53:[20, 15, 32] Operation: 19+13=32 Exploring Operation: 20+13=33, Resulting Numbers: [19, 15, 33] Generated Node #0,4: 53:[19, 15, 33] Operation: 20+13=33 Moving to Node #0,0 Current State: 53:[20, 13, 34], Operations: ['19+15=34'] Exploring Operation: 20+34=54, Resulting Numbers: [13, 54] Generated Node #0,0,0: 53:[13, 54] Operation: 20+34=54 Exploring Operation: 20+13=33, Resulting Numbers: [34, 33] Generated Node #0,0,1: 53:[34, 33] Operation: 20+13=33 Exploring Operation: 13+34=47, Resulting Numbers: [20, 47] Generated Node #0,0,2: 53:[20, 47] Operation: 13+34=47 Exploring Operation: 34-13=21, Resulting Numbers: [20, 21] Generated Node #0,0,3: 53:[20, 21] Operation: 34-13=21 Exploring Operation: 20-13=7, Resulting Numbers: [34, 7] Generated Node #0,0,4: 53:[34, 7] Operation: 20-13=7 Moving to Node #0,2 Current State: 53:[19, 13, 35], Operations: ['20+15=35'] Exploring Operation: 19+35=54, Resulting Numbers: [13, 54] Generated Node #0,2,0: 53:[13, 54] Operation: 19+35=54 Exploring Operation: 13+35=48, Resulting Numbers: [19, 48] Generated Node #0,2,1: 53:[19, 48] Operation: 13+35=48 Exploring Operation: 19-13=6, Resulting Numbers: [35, 6] Generated Node #0,2,2: 53:[35, 6] Operation: 19-13=6 Exploring Operation: 35-13=22, Resulting Numbers: [19, 22] Generated Node #0,2,3: 53:[19, 22] Operation: 35-13=22 Exploring Operation: 19+13=32, Resulting Numbers: [35, 32] Generated Node #0,2,4: 53:[35, 32] Operation: 19+13=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[19, 48], Operations: ['20+15=35', '13+35=48'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,53 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,53 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 #0,2,4 Current State: 53:[35, 32], Operations: ['20+15=35', '19+13=32'] Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,53 unequal: No Solution Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,53 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:[13, 54], Operations: ['20+15=35', '19+35=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,53 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:[35, 6], Operations: ['20+15=35', '19-13=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,53 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:[19, 22], Operations: ['20+15=35', '35-13=22'] Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,53 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 53:[19, 15, 33], Operations: ['20+13=33'] Exploring Operation: 19+33=52, Resulting Numbers: [15, 52] Generated Node #0,4,0: 53:[15, 52] Operation: 19+33=52 Exploring Operation: 19-15=4, Resulting Numbers: [33, 4] Generated Node #0,4,1: 53:[33, 4] Operation: 19-15=4 Exploring Operation: 33-15=18, Resulting Numbers: [19, 18] Generated Node #0,4,2: 53:[19, 18] Operation: 33-15=18 Exploring Operation: 19+15=34, Resulting Numbers: [33, 34] Generated Node #0,4,3: 53:[33, 34] Operation: 19+15=34 Exploring Operation: 15+33=48, Resulting Numbers: [19, 48] Generated Node #0,4,4: 53:[19, 48] Operation: 15+33=48 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[15, 52], Operations: ['20+13=33', '19+33=52'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 15+52=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 15*52=780, Resulting Numbers: [780] 780,53 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:[33, 34], Operations: ['20+13=33', '19+15=34'] Exploring Operation: 33*34=1122, Resulting Numbers: [1122] 1122,53 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,53 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:[19, 48], Operations: ['20+13=33', '15+33=48'] Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,53 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,53 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 #0,4,1 Current State: 53:[33, 4], Operations: ['20+13=33', '19-15=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,53 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:[19, 18], Operations: ['20+13=33', '33-15=18'] Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,53 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,53 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:[15, 13, 39], Operations: ['19+20=39'] Exploring Operation: 15+39=54, Resulting Numbers: [13, 54] Generated Node #0,1,0: 53:[13, 54] Operation: 15+39=54 Exploring Operation: 39-13=26, Resulting Numbers: [15, 26] Generated Node #0,1,1: 53:[15, 26] Operation: 39-13=26 Exploring Operation: 13+39=52, Resulting Numbers: [15, 52] Generated Node #0,1,2: 53:[15, 52] Operation: 13+39=52 Exploring Operation: 15-13=2, Resulting Numbers: [39, 2] Generated Node #0,1,3: 53:[39, 2] Operation: 15-13=2 Exploring Operation: 15+13=28, Resulting Numbers: [39, 28] Generated Node #0,1,4: 53:[39, 28] Operation: 15+13=28 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[15, 52], Operations: ['19+20=39', '13+39=52'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 15*52=780, Resulting Numbers: [780] 780,53 unequal: No Solution Exploring Operation: 15+52=67, Resulting Numbers: [67] 67,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 53:[39, 28], Operations: ['19+20=39', '15+13=28'] Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[13, 54], Operations: ['19+20=39', '15+39=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,53 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[15, 26], Operations: ['19+20=39', '39-13=26'] Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,53 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 53:[39, 2], Operations: ['19+20=39', '15-13=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,53 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: 53:[20, 15, 32], Operations: ['19+13=32'] Exploring Operation: 15+32=47, Resulting Numbers: [20, 47] Generated Node #0,3,0: 53:[20, 47] Operation: 15+32=47 Exploring Operation: 32-15=17, Resulting Numbers: [20, 17] Generated Node #0,3,1: 53:[20, 17] Operation: 32-15=17 Exploring Operation: 20-15=5, Resulting Numbers: [32, 5] Generated Node #0,3,2: 53:[32, 5] Operation: 20-15=5 Exploring Operation: 20+32=52, Resulting Numbers: [15, 52] Generated Node #0,3,3: 53:[15, 52] Operation: 20+32=52 Exploring Operation: 20+15=35, Resulting Numbers: [32, 35] Generated Node #0,3,4: 53:[32, 35] Operation: 20+15=35 Moving to Node #0,0,1 Current State: 53:[34, 33], Operations: ['19+15=34', '20+13=33'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,53 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[20, 47], Operations: ['19+13=32', '15+32=47'] Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,53 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[15, 52], Operations: ['19+13=32', '20+32=52'] Exploring Operation: 15+52=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 15*52=780, Resulting Numbers: [780] 780,53 unequal: No Solution Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[20, 47], Operations: ['19+15=34', '13+34=47'] Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,53 unequal: No Solution Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[32, 35], Operations: ['19+13=32', '20+15=35'] Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[13, 54], Operations: ['19+15=34', '20+34=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,53 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[34, 7], Operations: ['19+15=34', '20-13=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,53 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[20, 21], Operations: ['19+15=34', '34-13=21'] Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,53 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[32, 5], Operations: ['19+13=32', '20-15=5'] Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[20, 17], Operations: ['19+13=32', '32-15=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,53 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,53 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 56, 8, 80, 16 ]
66
[ "16-8=8", "80/8=10", "56+10=66" ]
Current State: 66:[56, 8, 80, 16], Operations: [] Exploring Operation: 16-8=8, Resulting Numbers: [56, 80, 8] Generated Node #2: [56, 80, 8] from Operation: 16-8=8 Current State: 66:[56, 80, 8], Operations: ['16-8=8'] Exploring Operation: 80/8=10, Resulting Numbers: [56, 10] Generated Node #3: [56, 10] from Operation: 80/8=10 Current State: 66:[56, 10], Operations: ['16-8=8', '80/8=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[56, 8, 80, 16], Operations: [] Exploring Operation: 80/16=5, Resulting Numbers: [56, 8, 5] Generated Node #0,0: 66:[56, 8, 5] Operation: 80/16=5 Exploring Operation: 80-56=24, Resulting Numbers: [8, 16, 24] Generated Node #0,1: 66:[8, 16, 24] Operation: 80-56=24 Moving to Node #0,1 Current State: 66:[8, 16, 24], Operations: ['80-56=24'] Exploring Operation: 16/8=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 66:[24, 2] Operation: 16/8=2 Exploring Operation: 8+16=24, Resulting Numbers: [24, 24] Generated Node #0,1,1: 66:[24, 24] Operation: 8+16=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[24, 2], Operations: ['80-56=24', '16/8=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,66 unequal: No Solution No 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: 66:[24, 24], Operations: ['80-56=24', '8+16=24'] Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,66 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: 66:[56, 8, 5], Operations: ['80/16=5'] Exploring Operation: 56/8=7, Resulting Numbers: [5, 7] Generated Node #0,0,0: 66:[5, 7] Operation: 56/8=7 Exploring Operation: 56+8=64, Resulting Numbers: [5, 64] Generated Node #0,0,1: 66:[5, 64] Operation: 56+8=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[5, 7], Operations: ['80/16=5', '56/8=7'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,66 unequal: No Solution No 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: 66:[5, 64], Operations: ['80/16=5', '56+8=64'] Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,66 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,66 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