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
[ 73, 17, 38, 82 ]
64
[ "73-17=56", "38+82=120", "120-56=64" ]
Current State: 64:[73, 17, 38, 82], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [38, 82, 56] Generated Node #2: [38, 82, 56] from Operation: 73-17=56 Current State: 64:[38, 82, 56], Operations: ['73-17=56'] Exploring Operation: 38+82=120, Resulting Numbers: [56, 120] Generated Node #3: [56, 120] from Operation: 38+82=120 Current State: 64:[56, 120], Operations: ['73-17=56', '38+82=120'] Exploring Operation: 120-56=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[73, 17, 38, 82], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [73, 17, 44] Generated Node #0,0: 64:[73, 17, 44] Operation: 82-38=44 Exploring Operation: 73-38=35, Resulting Numbers: [17, 82, 35] Generated Node #0,1: 64:[17, 82, 35] Operation: 73-38=35 Exploring Operation: 82-17=65, Resulting Numbers: [73, 38, 65] Generated Node #0,2: 64:[73, 38, 65] Operation: 82-17=65 Exploring Operation: 82-73=9, Resulting Numbers: [17, 38, 9] Generated Node #0,3: 64:[17, 38, 9] Operation: 82-73=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[17, 38, 9], Operations: ['82-73=9'] Exploring Operation: 17-9=8, Resulting Numbers: [38, 8] Generated Node #0,3,0: 64:[38, 8] Operation: 17-9=8 Exploring Operation: 38-17=21, Resulting Numbers: [9, 21] Generated Node #0,3,1: 64:[9, 21] Operation: 38-17=21 Exploring Operation: 17+38=55, Resulting Numbers: [9, 55] Generated Node #0,3,2: 64:[9, 55] Operation: 17+38=55 Exploring Operation: 38-9=29, Resulting Numbers: [17, 29] Generated Node #0,3,3: 64:[17, 29] Operation: 38-9=29 Moving to Node #0,3,3 Current State: 64:[17, 29], Operations: ['82-73=9', '38-9=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,64 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[9, 21], Operations: ['82-73=9', '38-17=21'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,64 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[38, 8], Operations: ['82-73=9', '17-9=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[9, 55], Operations: ['82-73=9', '17+38=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[73, 17, 38, 82], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [17, 38, 9] Generated Node #0,3: 64:[17, 38, 9] Operation: 82-73=9 Moving to Node #0,3 Current State: 64:[17, 38, 9], Operations: ['82-73=9'] Exploring Operation: 17+38=55, Resulting Numbers: [9, 55] Generated Node #0,3,2: 64:[9, 55] Operation: 17+38=55 Moving to Node #0,3,2 Current State: 64:[9, 55], Operations: ['82-73=9', '17+38=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 56, 43, 3, 46 ]
65
[ "46-43=3", "3*3=9", "56+9=65" ]
Current State: 65:[56, 43, 3, 46], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [56, 3, 3] Generated Node #2: [56, 3, 3] from Operation: 46-43=3 Current State: 65:[56, 3, 3], Operations: ['46-43=3'] Exploring Operation: 3*3=9, Resulting Numbers: [56, 9] Generated Node #3: [56, 9] from Operation: 3*3=9 Current State: 65:[56, 9], Operations: ['46-43=3', '3*3=9'] Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[56, 43, 3, 46], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [3, 46, 13] Generated Node #0,0: 65:[3, 46, 13] Operation: 56-43=13 Exploring Operation: 46-43=3, Resulting Numbers: [56, 3, 3] Generated Node #0,1: 65:[56, 3, 3] Operation: 46-43=3 Exploring Operation: 56+3=59, Resulting Numbers: [43, 46, 59] Generated Node #0,2: 65:[43, 46, 59] Operation: 56+3=59 Exploring Operation: 56-46=10, Resulting Numbers: [43, 3, 10] Generated Node #0,3: 65:[43, 3, 10] Operation: 56-46=10 Exploring Operation: 43+46=89, Resulting Numbers: [56, 3, 89] Generated Node #0,4: 65:[56, 3, 89] Operation: 43+46=89 Moving to Node #0,1 Current State: 65:[56, 3, 3], Operations: ['46-43=3'] Exploring Operation: 3+3=6, Resulting Numbers: [56, 6] Generated Node #0,1,0: 65:[56, 6] Operation: 3+3=6 Exploring Operation: 3/3=1, Resulting Numbers: [56, 1] Generated Node #0,1,1: 65:[56, 1] Operation: 3/3=1 Exploring Operation: 56+3=59, Resulting Numbers: [3, 59] Generated Node #0,1,2: 65:[3, 59] Operation: 56+3=59 Exploring Operation: 56+3=59, Resulting Numbers: [3, 59] Generated Node #0,1,3: 65:[3, 59] Operation: 56+3=59 Exploring Operation: 3*3=9, Resulting Numbers: [56, 9] Generated Node #0,1,4: 65:[56, 9] Operation: 3*3=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[3, 59], Operations: ['46-43=3', '56+3=59'] Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,65 unequal: No Solution Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[3, 59], Operations: ['46-43=3', '56+3=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,65 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[56, 6], Operations: ['46-43=3', '3+3=6'] Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,65 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[56, 1], Operations: ['46-43=3', '3/3=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,65 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,65 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[56, 9], Operations: ['46-43=3', '3*3=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[56, 43, 3, 46], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [56, 3, 3] Generated Node #0,1: 65:[56, 3, 3] Operation: 46-43=3 Moving to Node #0,1 Current State: 65:[56, 3, 3], Operations: ['46-43=3'] Exploring Operation: 3*3=9, Resulting Numbers: [56, 9] Generated Node #0,1,4: 65:[56, 9] Operation: 3*3=9 Moving to Node #0,1,4 Current State: 65:[56, 9], Operations: ['46-43=3', '3*3=9'] Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
mult_heuristic
[ 68, 49, 10, 93 ]
14
[ "68+49=117", "10+93=103", "117-103=14" ]
Current State: 14:[68, 49, 10, 93], Operations: [] Exploring Operation: 68+49=117, Resulting Numbers: [10, 93, 117] Generated Node #2: [10, 93, 117] from Operation: 68+49=117 Current State: 14:[10, 93, 117], Operations: ['68+49=117'] Exploring Operation: 10+93=103, Resulting Numbers: [117, 103] Generated Node #3: [117, 103] from Operation: 10+93=103 Current State: 14:[117, 103], Operations: ['68+49=117', '10+93=103'] Exploring Operation: 117-103=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[68, 49, 10, 93], Operations: [] Exploring Operation: 68-10=58, Resulting Numbers: [49, 93, 58] Generated Node #0,0: 14:[49, 93, 58] Operation: 68-10=58 Exploring Operation: 93-49=44, Resulting Numbers: [68, 10, 44] Generated Node #0,1: 14:[68, 10, 44] Operation: 93-49=44 Exploring Operation: 49-10=39, Resulting Numbers: [68, 93, 39] Generated Node #0,2: 14:[68, 93, 39] Operation: 49-10=39 Exploring Operation: 68-49=19, Resulting Numbers: [10, 93, 19] Generated Node #0,3: 14:[10, 93, 19] Operation: 68-49=19 Exploring Operation: 93-68=25, Resulting Numbers: [49, 10, 25] Generated Node #0,4: 14:[49, 10, 25] Operation: 93-68=25 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[49, 10, 25], Operations: ['93-68=25'] Exploring Operation: 49+10=59, Resulting Numbers: [25, 59] Generated Node #0,4,0: 14:[25, 59] Operation: 49+10=59 Exploring Operation: 49-25=24, Resulting Numbers: [10, 24] Generated Node #0,4,1: 14:[10, 24] Operation: 49-25=24 Exploring Operation: 49-10=39, Resulting Numbers: [25, 39] Generated Node #0,4,2: 14:[25, 39] Operation: 49-10=39 Exploring Operation: 10+25=35, Resulting Numbers: [49, 35] Generated Node #0,4,3: 14:[49, 35] Operation: 10+25=35 Exploring Operation: 25-10=15, Resulting Numbers: [49, 15] Generated Node #0,4,4: 14:[49, 15] Operation: 25-10=15 Moving to Node #0,4,1 Current State: 14:[10, 24], Operations: ['93-68=25', '49-25=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,14 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[68, 49, 10, 93], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [49, 10, 25] Generated Node #0,4: 14:[49, 10, 25] Operation: 93-68=25 Moving to Node #0,4 Current State: 14:[49, 10, 25], Operations: ['93-68=25'] Exploring Operation: 49-25=24, Resulting Numbers: [10, 24] Generated Node #0,4,1: 14:[10, 24] Operation: 49-25=24 Moving to Node #0,4,1 Current State: 14:[10, 24], Operations: ['93-68=25', '49-25=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 45, 51, 23, 86 ]
33
[ "45+51=96", "86-23=63", "96-63=33" ]
Current State: 33:[45, 51, 23, 86], Operations: [] Exploring Operation: 45+51=96, Resulting Numbers: [23, 86, 96] Generated Node #2: [23, 86, 96] from Operation: 45+51=96 Current State: 33:[23, 86, 96], Operations: ['45+51=96'] Exploring Operation: 86-23=63, Resulting Numbers: [96, 63] Generated Node #3: [96, 63] from Operation: 86-23=63 Current State: 33:[96, 63], Operations: ['45+51=96', '86-23=63'] Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[45, 51, 23, 86], Operations: [] Exploring Operation: 86-51=35, Resulting Numbers: [45, 23, 35] Generated Node #0,0: 33:[45, 23, 35] Operation: 86-51=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[45, 23, 35], Operations: ['86-51=35'] Exploring Operation: 45-35=10, Resulting Numbers: [23, 10] Generated Node #0,0,0: 33:[23, 10] Operation: 45-35=10 Moving to Node #0,0,0 Current State: 33:[23, 10], Operations: ['86-51=35', '45-35=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[45, 51, 23, 86], Operations: [] Exploring Operation: 86-51=35, Resulting Numbers: [45, 23, 35] Generated Node #0,0: 33:[45, 23, 35] Operation: 86-51=35 Moving to Node #0,0 Current State: 33:[45, 23, 35], Operations: ['86-51=35'] Exploring Operation: 45-35=10, Resulting Numbers: [23, 10] Generated Node #0,0,0: 33:[23, 10] Operation: 45-35=10 Moving to Node #0,0,0 Current State: 33:[23, 10], Operations: ['86-51=35', '45-35=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 19, 34, 55, 3 ]
22
[ "55-19=36", "36/3=12", "34-12=22" ]
Current State: 22:[19, 34, 55, 3], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [34, 3, 36] Generated Node #2: [34, 3, 36] from Operation: 55-19=36 Current State: 22:[34, 3, 36], Operations: ['55-19=36'] Exploring Operation: 36/3=12, Resulting Numbers: [34, 12] Generated Node #3: [34, 12] from Operation: 36/3=12 Current State: 22:[34, 12], Operations: ['55-19=36', '36/3=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[19, 34, 55, 3], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [34, 3, 36] Generated Node #0,0: 22:[34, 3, 36] Operation: 55-19=36 Exploring Operation: 19+3=22, Resulting Numbers: [34, 55, 22] Generated Node #0,1: 22:[34, 55, 22] Operation: 19+3=22 Exploring Operation: 34-19=15, Resulting Numbers: [55, 3, 15] Generated Node #0,2: 22:[55, 3, 15] Operation: 34-19=15 Exploring Operation: 55-34=21, Resulting Numbers: [19, 3, 21] Generated Node #0,3: 22:[19, 3, 21] Operation: 55-34=21 Exploring Operation: 34-3=31, Resulting Numbers: [19, 55, 31] Generated Node #0,4: 22:[19, 55, 31] Operation: 34-3=31 Moving to Node #0,3 Current State: 22:[19, 3, 21], Operations: ['55-34=21'] Exploring Operation: 3+21=24, Resulting Numbers: [19, 24] Generated Node #0,3,0: 22:[19, 24] Operation: 3+21=24 Exploring Operation: 19-3=16, Resulting Numbers: [21, 16] Generated Node #0,3,1: 22:[21, 16] Operation: 19-3=16 Exploring Operation: 21-3=18, Resulting Numbers: [19, 18] Generated Node #0,3,2: 22:[19, 18] Operation: 21-3=18 Exploring Operation: 19+3=22, Resulting Numbers: [21, 22] Generated Node #0,3,3: 22:[21, 22] Operation: 19+3=22 Exploring Operation: 21-19=2, Resulting Numbers: [3, 2] Generated Node #0,3,4: 22:[3, 2] Operation: 21-19=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[21, 22], Operations: ['55-34=21', '19+3=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,22 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 22:[3, 2], Operations: ['55-34=21', '21-19=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[19, 24], Operations: ['55-34=21', '3+21=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,22 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[21, 16], Operations: ['55-34=21', '19-3=16'] Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,22 unequal: No Solution Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[19, 18], Operations: ['55-34=21', '21-3=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,22 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 22:[34, 3, 36], Operations: ['55-19=36'] Exploring Operation: 34+3=37, Resulting Numbers: [36, 37] Generated Node #0,0,0: 22:[36, 37] Operation: 34+3=37 Exploring Operation: 36-34=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 22:[3, 2] Operation: 36-34=2 Exploring Operation: 36-3=33, Resulting Numbers: [34, 33] Generated Node #0,0,2: 22:[34, 33] Operation: 36-3=33 Exploring Operation: 36/3=12, Resulting Numbers: [34, 12] Generated Node #0,0,3: 22:[34, 12] Operation: 36/3=12 Exploring Operation: 34-3=31, Resulting Numbers: [36, 31] Generated Node #0,0,4: 22:[36, 31] Operation: 34-3=31 Moving to Node #0,2 Current State: 22:[55, 3, 15], Operations: ['34-19=15'] Exploring Operation: 3+15=18, Resulting Numbers: [55, 18] Generated Node #0,2,0: 22:[55, 18] Operation: 3+15=18 Exploring Operation: 55-3=52, Resulting Numbers: [15, 52] Generated Node #0,2,1: 22:[15, 52] Operation: 55-3=52 Exploring Operation: 55-15=40, Resulting Numbers: [3, 40] Generated Node #0,2,2: 22:[3, 40] Operation: 55-15=40 Exploring Operation: 15-3=12, Resulting Numbers: [55, 12] Generated Node #0,2,3: 22:[55, 12] Operation: 15-3=12 Exploring Operation: 15/3=5, Resulting Numbers: [55, 5] Generated Node #0,2,4: 22:[55, 5] Operation: 15/3=5 Moving to Node #0,1 Current State: 22:[34, 55, 22], Operations: ['19+3=22'] Exploring Operation: 55-22=33, Resulting Numbers: [34, 33] Generated Node #0,1,0: 22:[34, 33] Operation: 55-22=33 Exploring Operation: 34+22=56, Resulting Numbers: [55, 56] Generated Node #0,1,1: 22:[55, 56] Operation: 34+22=56 Exploring Operation: 34-22=12, Resulting Numbers: [55, 12] Generated Node #0,1,2: 22:[55, 12] Operation: 34-22=12 Exploring Operation: 55-34=21, Resulting Numbers: [22, 21] Generated Node #0,1,3: 22:[22, 21] Operation: 55-34=21 Exploring Operation: 34+55=89, Resulting Numbers: [22, 89] Generated Node #0,1,4: 22:[22, 89] Operation: 34+55=89 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 22:[22, 21], Operations: ['19+3=22', '55-34=21'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[34, 33], Operations: ['19+3=22', '55-22=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,22 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[55, 12], Operations: ['19+3=22', '34-22=12'] Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,22 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[55, 56], Operations: ['19+3=22', '34+22=56'] Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,22 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 22:[22, 89], Operations: ['19+3=22', '34+55=89'] Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,22 unequal: No Solution Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,22 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: 22:[19, 55, 31], Operations: ['34-3=31'] Exploring Operation: 19+55=74, Resulting Numbers: [31, 74] Generated Node #0,4,0: 22:[31, 74] Operation: 19+55=74 Exploring Operation: 31-19=12, Resulting Numbers: [55, 12] Generated Node #0,4,1: 22:[55, 12] Operation: 31-19=12 Exploring Operation: 19+31=50, Resulting Numbers: [55, 50] Generated Node #0,4,2: 22:[55, 50] Operation: 19+31=50 Exploring Operation: 55-19=36, Resulting Numbers: [31, 36] Generated Node #0,4,3: 22:[31, 36] Operation: 55-19=36 Exploring Operation: 55-31=24, Resulting Numbers: [19, 24] Generated Node #0,4,4: 22:[19, 24] Operation: 55-31=24 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 22:[19, 24], Operations: ['34-3=31', '55-31=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,22 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 22:[31, 36], Operations: ['34-3=31', '55-19=36'] Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 22:[55, 12], Operations: ['34-3=31', '31-19=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 22:[31, 74], Operations: ['34-3=31', '19+55=74'] Exploring Operation: 31*74=2294, Resulting Numbers: [2294] 2294,22 unequal: No Solution Exploring Operation: 31+74=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 22:[55, 50], Operations: ['34-3=31', '19+31=50'] Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,22 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 22:[3, 2], Operations: ['55-19=36', '36-34=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,22 unequal: No Solution Moving to Node #0,0,3 Current State: 22:[34, 12], Operations: ['55-19=36', '36/3=12'] Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,22 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[19, 34, 55, 3], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [34, 3, 36] Generated Node #0,0: 22:[34, 3, 36] Operation: 55-19=36 Moving to Node #0,0 Current State: 22:[34, 3, 36], Operations: ['55-19=36'] Exploring Operation: 36/3=12, Resulting Numbers: [34, 12] Generated Node #0,0,3: 22:[34, 12] Operation: 36/3=12 Moving to Node #0,0,3 Current State: 22:[34, 12], Operations: ['55-19=36', '36/3=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.926215
hs_5
mult_heuristic
[ 80, 35, 21, 14 ]
76
[ "35+21=56", "56/14=4", "80-4=76" ]
Current State: 76:[80, 35, 21, 14], Operations: [] Exploring Operation: 35+21=56, Resulting Numbers: [80, 14, 56] Generated Node #2: [80, 14, 56] from Operation: 35+21=56 Current State: 76:[80, 14, 56], Operations: ['35+21=56'] Exploring Operation: 56/14=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 56/14=4 Current State: 76:[80, 4], Operations: ['35+21=56', '56/14=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[80, 35, 21, 14], Operations: [] Exploring Operation: 35-14=21, Resulting Numbers: [80, 21, 21] Generated Node #0,0: 76:[80, 21, 21] Operation: 35-14=21 Exploring Operation: 21-14=7, Resulting Numbers: [80, 35, 7] Generated Node #0,1: 76:[80, 35, 7] Operation: 21-14=7 Exploring Operation: 21+14=35, Resulting Numbers: [80, 35, 35] Generated Node #0,2: 76:[80, 35, 35] Operation: 21+14=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[80, 21, 21], Operations: ['35-14=21'] Exploring Operation: 21-21=0, Resulting Numbers: [80, 0] Generated Node #0,0,0: 76:[80, 0] Operation: 21-21=0 Exploring Operation: 21+21=42, Resulting Numbers: [80, 42] Generated Node #0,0,1: 76:[80, 42] Operation: 21+21=42 Exploring Operation: 21/21=1, Resulting Numbers: [80, 1] Generated Node #0,0,2: 76:[80, 1] Operation: 21/21=1 Moving to Node #0,0,2 Current State: 76:[80, 1], Operations: ['35-14=21', '21/21=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[80, 0], Operations: ['35-14=21', '21-21=0'] Exploring Operation: 80*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 80-0=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 80+0=80, Resulting Numbers: [80] 80,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[80, 42], Operations: ['35-14=21', '21+21=42'] Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,76 unequal: No Solution Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,76 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,76 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 Current State: 76:[80, 35, 7], Operations: ['21-14=7'] Exploring Operation: 35/7=5, Resulting Numbers: [80, 5] Generated Node #0,1,0: 76:[80, 5] Operation: 35/7=5 Exploring Operation: 35+7=42, Resulting Numbers: [80, 42] Generated Node #0,1,1: 76:[80, 42] Operation: 35+7=42 Exploring Operation: 80-7=73, Resulting Numbers: [35, 73] Generated Node #0,1,2: 76:[35, 73] Operation: 80-7=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[80, 5], Operations: ['21-14=7', '35/7=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[35, 73], Operations: ['21-14=7', '80-7=73'] Exploring Operation: 35*73=2555, Resulting Numbers: [2555] 2555,76 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 35+73=108, Resulting Numbers: [108] 108,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[80, 42], Operations: ['21-14=7', '35+7=42'] Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,76 unequal: No Solution Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,76 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[80, 35, 35], Operations: ['21+14=35'] Exploring Operation: 80-35=45, Resulting Numbers: [35, 45] Generated Node #0,2,0: 76:[35, 45] Operation: 80-35=45 Exploring Operation: 35/35=1, Resulting Numbers: [80, 1] Generated Node #0,2,1: 76:[80, 1] Operation: 35/35=1 Exploring Operation: 35-35=0, Resulting Numbers: [80, 0] Generated Node #0,2,2: 76:[80, 0] Operation: 35-35=0 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[80, 1], Operations: ['21+14=35', '35/35=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,76 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[80, 0], Operations: ['21+14=35', '35-35=0'] Exploring Operation: 80*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 80-0=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 80+0=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[35, 45], Operations: ['21+14=35', '80-35=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,76 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 31, 31, 32, 95 ]
65
[ "31+31=62", "32+95=127", "127-62=65" ]
Current State: 65:[31, 31, 32, 95], Operations: [] Exploring Operation: 31+31=62, Resulting Numbers: [32, 95, 62] Generated Node #2: [32, 95, 62] from Operation: 31+31=62 Current State: 65:[32, 95, 62], Operations: ['31+31=62'] Exploring Operation: 32+95=127, Resulting Numbers: [62, 127] Generated Node #3: [62, 127] from Operation: 32+95=127 Current State: 65:[62, 127], Operations: ['31+31=62', '32+95=127'] Exploring Operation: 127-62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[31, 31, 32, 95], Operations: [] Exploring Operation: 95-31=64, Resulting Numbers: [31, 32, 64] Generated Node #0,0: 65:[31, 32, 64] Operation: 95-31=64 Exploring Operation: 95-31=64, Resulting Numbers: [31, 32, 64] Generated Node #0,1: 65:[31, 32, 64] Operation: 95-31=64 Exploring Operation: 95-32=63, Resulting Numbers: [31, 31, 63] Generated Node #0,2: 65:[31, 31, 63] Operation: 95-32=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[31, 32, 64], Operations: ['95-31=64'] Exploring Operation: 64/32=2, Resulting Numbers: [31, 2] Generated Node #0,0,0: 65:[31, 2] Operation: 64/32=2 Exploring Operation: 31+32=63, Resulting Numbers: [64, 63] Generated Node #0,0,1: 65:[64, 63] Operation: 31+32=63 Exploring Operation: 32-31=1, Resulting Numbers: [64, 1] Generated Node #0,0,2: 65:[64, 1] Operation: 32-31=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[64, 63], Operations: ['95-31=64', '31+32=63'] Exploring Operation: 64+63=127, Resulting Numbers: [127] 127,65 unequal: No Solution Exploring Operation: 64*63=4032, Resulting Numbers: [4032] 4032,65 unequal: No Solution Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[64, 1], Operations: ['95-31=64', '32-31=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[31, 31, 32, 95], Operations: [] Exploring Operation: 95-31=64, Resulting Numbers: [31, 32, 64] Generated Node #0,0: 65:[31, 32, 64] Operation: 95-31=64 Moving to Node #0,0 Current State: 65:[31, 32, 64], Operations: ['95-31=64'] Exploring Operation: 32-31=1, Resulting Numbers: [64, 1] Generated Node #0,0,2: 65:[64, 1] Operation: 32-31=1 Moving to Node #0,0,2 Current State: 65:[64, 1], Operations: ['95-31=64', '32-31=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 47, 64, 11, 8 ]
37
[ "47+64=111", "11-8=3", "111/3=37" ]
Current State: 37:[47, 64, 11, 8], Operations: [] Exploring Operation: 47+64=111, Resulting Numbers: [11, 8, 111] Generated Node #2: [11, 8, 111] from Operation: 47+64=111 Current State: 37:[11, 8, 111], Operations: ['47+64=111'] Exploring Operation: 11-8=3, Resulting Numbers: [111, 3] Generated Node #3: [111, 3] from Operation: 11-8=3 Current State: 37:[111, 3], Operations: ['47+64=111', '11-8=3'] Exploring Operation: 111/3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[47, 64, 11, 8], Operations: [] Exploring Operation: 64-11=53, Resulting Numbers: [47, 8, 53] Generated Node #0,0: 37:[47, 8, 53] Operation: 64-11=53 Exploring Operation: 47-8=39, Resulting Numbers: [64, 11, 39] Generated Node #0,1: 37:[64, 11, 39] Operation: 47-8=39 Exploring Operation: 64-8=56, Resulting Numbers: [47, 11, 56] Generated Node #0,2: 37:[47, 11, 56] Operation: 64-8=56 Moving to Node #0,0 Current State: 37:[47, 8, 53], Operations: ['64-11=53'] Exploring Operation: 47+8=55, Resulting Numbers: [53, 55] Generated Node #0,0,0: 37:[53, 55] Operation: 47+8=55 Exploring Operation: 47-8=39, Resulting Numbers: [53, 39] Generated Node #0,0,1: 37:[53, 39] Operation: 47-8=39 Exploring Operation: 53-8=45, Resulting Numbers: [47, 45] Generated Node #0,0,2: 37:[47, 45] Operation: 53-8=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[53, 39], Operations: ['64-11=53', '47-8=39'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,37 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 37:[47, 45], Operations: ['64-11=53', '53-8=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,37 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[53, 55], Operations: ['64-11=53', '47+8=55'] Exploring Operation: 53+55=108, Resulting Numbers: [108] 108,37 unequal: No Solution Exploring Operation: 53*55=2915, Resulting Numbers: [2915] 2915,37 unequal: No Solution Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 37:[64, 11, 39], Operations: ['47-8=39'] Exploring Operation: 39-11=28, Resulting Numbers: [64, 28] Generated Node #0,1,0: 37:[64, 28] Operation: 39-11=28 Exploring Operation: 64-11=53, Resulting Numbers: [39, 53] Generated Node #0,1,1: 37:[39, 53] Operation: 64-11=53 Exploring Operation: 64-39=25, Resulting Numbers: [11, 25] Generated Node #0,1,2: 37:[11, 25] Operation: 64-39=25 Moving to Node #0,2 Current State: 37:[47, 11, 56], Operations: ['64-8=56'] Exploring Operation: 47-11=36, Resulting Numbers: [56, 36] Generated Node #0,2,0: 37:[56, 36] Operation: 47-11=36 Exploring Operation: 56-11=45, Resulting Numbers: [47, 45] Generated Node #0,2,1: 37:[47, 45] Operation: 56-11=45 Exploring Operation: 47+11=58, Resulting Numbers: [56, 58] Generated Node #0,2,2: 37:[56, 58] Operation: 47+11=58 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[47, 45], Operations: ['64-8=56', '56-11=45'] Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,37 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[56, 36], Operations: ['64-8=56', '47-11=36'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,37 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[56, 58], Operations: ['64-8=56', '47+11=58'] Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,37 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 37:[39, 53], Operations: ['47-8=39', '64-11=53'] Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,37 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,37 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[64, 28], Operations: ['47-8=39', '39-11=28'] Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 64+28=92, Resulting Numbers: [92] 92,37 unequal: No Solution Exploring Operation: 64*28=1792, Resulting Numbers: [1792] 1792,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[11, 25], Operations: ['47-8=39', '64-39=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 21, 95, 98, 95 ]
77
[ "21+95=116", "98+95=193", "193-116=77" ]
Current State: 77:[21, 95, 98, 95], Operations: [] Exploring Operation: 21+95=116, Resulting Numbers: [98, 116] Generated Node #2: [98, 116] from Operation: 21+95=116 Current State: 77:[98, 116], Operations: ['21+95=116'] Exploring Operation: 98+95=193, Resulting Numbers: [116, 193] Generated Node #3: [116, 193] from Operation: 98+95=193 Current State: 77:[116, 193], Operations: ['21+95=116', '98+95=193'] Exploring Operation: 193-116=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[21, 95, 98, 95], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [21, 95, 3] Generated Node #0,0: 77:[21, 95, 3] Operation: 98-95=3 Exploring Operation: 98-95=3, Resulting Numbers: [21, 95, 3] Generated Node #0,1: 77:[21, 95, 3] Operation: 98-95=3 Exploring Operation: 95/95=1, Resulting Numbers: [21, 98, 1] Generated Node #0,2: 77:[21, 98, 1] Operation: 95/95=1 Exploring Operation: 98-21=77, Resulting Numbers: [95, 95, 77] Generated Node #0,3: 77:[95, 95, 77] Operation: 98-21=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[21, 95, 3], Operations: ['98-95=3'] Exploring Operation: 95-21=74, Resulting Numbers: [3, 74] Generated Node #0,0,0: 77:[3, 74] Operation: 95-21=74 Exploring Operation: 21-3=18, Resulting Numbers: [95, 18] Generated Node #0,0,1: 77:[95, 18] Operation: 21-3=18 Exploring Operation: 21/3=7, Resulting Numbers: [95, 7] Generated Node #0,0,2: 77:[95, 7] Operation: 21/3=7 Exploring Operation: 95-3=92, Resulting Numbers: [21, 92] Generated Node #0,0,3: 77:[21, 92] Operation: 95-3=92 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[3, 74], Operations: ['98-95=3', '95-21=74'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[21, 95, 98, 95], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [21, 95, 3] Generated Node #0,0: 77:[21, 95, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 77:[21, 95, 3], Operations: ['98-95=3'] Exploring Operation: 95-21=74, Resulting Numbers: [3, 74] Generated Node #0,0,0: 77:[3, 74] Operation: 95-21=74 Moving to Node #0,0,0 Current State: 77:[3, 74], Operations: ['98-95=3', '95-21=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 33, 77, 41, 57 ]
28
[ "77-33=44", "57-41=16", "44-16=28" ]
Current State: 28:[33, 77, 41, 57], Operations: [] Exploring Operation: 77-33=44, Resulting Numbers: [41, 57, 44] Generated Node #2: [41, 57, 44] from Operation: 77-33=44 Current State: 28:[41, 57, 44], Operations: ['77-33=44'] Exploring Operation: 57-41=16, Resulting Numbers: [44, 16] Generated Node #3: [44, 16] from Operation: 57-41=16 Current State: 28:[44, 16], Operations: ['77-33=44', '57-41=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 77, 41, 57], Operations: [] Exploring Operation: 77-41=36, Resulting Numbers: [33, 57, 36] Generated Node #0,0: 28:[33, 57, 36] Operation: 77-41=36 Exploring Operation: 57-41=16, Resulting Numbers: [33, 77, 16] Generated Node #0,1: 28:[33, 77, 16] Operation: 57-41=16 Exploring Operation: 77-57=20, Resulting Numbers: [33, 41, 20] Generated Node #0,2: 28:[33, 41, 20] Operation: 77-57=20 Moving to Node #0,2 Current State: 28:[33, 41, 20], Operations: ['77-57=20'] Exploring Operation: 41-20=21, Resulting Numbers: [33, 21] Generated Node #0,2,0: 28:[33, 21] Operation: 41-20=21 Exploring Operation: 41-33=8, Resulting Numbers: [20, 8] Generated Node #0,2,1: 28:[20, 8] Operation: 41-33=8 Exploring Operation: 33-20=13, Resulting Numbers: [41, 13] Generated Node #0,2,2: 28:[41, 13] Operation: 33-20=13 Moving to Node #0,0 Current State: 28:[33, 57, 36], Operations: ['77-41=36'] Exploring Operation: 57-36=21, Resulting Numbers: [33, 21] Generated Node #0,0,0: 28:[33, 21] Operation: 57-36=21 Exploring Operation: 36-33=3, Resulting Numbers: [57, 3] Generated Node #0,0,1: 28:[57, 3] Operation: 36-33=3 Exploring Operation: 57-33=24, Resulting Numbers: [36, 24] Generated Node #0,0,2: 28:[36, 24] Operation: 57-33=24 Moving to Node #0,1 Current State: 28:[33, 77, 16], Operations: ['57-41=16'] Exploring Operation: 33-16=17, Resulting Numbers: [77, 17] Generated Node #0,1,0: 28:[77, 17] Operation: 33-16=17 Exploring Operation: 77-16=61, Resulting Numbers: [33, 61] Generated Node #0,1,1: 28:[33, 61] Operation: 77-16=61 Exploring Operation: 77-33=44, Resulting Numbers: [16, 44] Generated Node #0,1,2: 28:[16, 44] Operation: 77-33=44 Moving to Node #0,2,1 Current State: 28:[20, 8], Operations: ['77-57=20', '41-33=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[33, 77, 41, 57], Operations: [] Exploring Operation: 77-57=20, Resulting Numbers: [33, 41, 20] Generated Node #0,2: 28:[33, 41, 20] Operation: 77-57=20 Moving to Node #0,2 Current State: 28:[33, 41, 20], Operations: ['77-57=20'] Exploring Operation: 41-33=8, Resulting Numbers: [20, 8] Generated Node #0,2,1: 28:[20, 8] Operation: 41-33=8 Moving to Node #0,2,1 Current State: 28:[20, 8], Operations: ['77-57=20', '41-33=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 41, 10, 23, 82 ]
18
[ "41*10=410", "410/82=5", "23-5=18" ]
Current State: 18:[41, 10, 23, 82], Operations: [] Exploring Operation: 41*10=410, Resulting Numbers: [23, 82, 410] Generated Node #2: [23, 82, 410] from Operation: 41*10=410 Current State: 18:[23, 82, 410], Operations: ['41*10=410'] Exploring Operation: 410/82=5, Resulting Numbers: [23, 5] Generated Node #3: [23, 5] from Operation: 410/82=5 Current State: 18:[23, 5], Operations: ['41*10=410', '410/82=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[41, 10, 23, 82], Operations: [] Exploring Operation: 41-10=31, Resulting Numbers: [23, 82, 31] Generated Node #0,0: 18:[23, 82, 31] Operation: 41-10=31 Exploring Operation: 82-23=59, Resulting Numbers: [41, 10, 59] Generated Node #0,1: 18:[41, 10, 59] Operation: 82-23=59 Exploring Operation: 41-23=18, Resulting Numbers: [10, 82, 18] Generated Node #0,2: 18:[10, 82, 18] Operation: 41-23=18 Exploring Operation: 82/41=2, Resulting Numbers: [10, 23, 2] Generated Node #0,3: 18:[10, 23, 2] Operation: 82/41=2 Exploring Operation: 82-41=41, Resulting Numbers: [10, 23, 41] Generated Node #0,4: 18:[10, 23, 41] Operation: 82-41=41 Moving to Node #0,3 Current State: 18:[10, 23, 2], Operations: ['82/41=2'] Exploring Operation: 10/2=5, Resulting Numbers: [23, 5] Generated Node #0,3,0: 18:[23, 5] Operation: 10/2=5 Exploring Operation: 23-10=13, Resulting Numbers: [2, 13] Generated Node #0,3,1: 18:[2, 13] Operation: 23-10=13 Exploring Operation: 10-2=8, Resulting Numbers: [23, 8] Generated Node #0,3,2: 18:[23, 8] Operation: 10-2=8 Exploring Operation: 10*2=20, Resulting Numbers: [23, 20] Generated Node #0,3,3: 18:[23, 20] Operation: 10*2=20 Exploring Operation: 23-2=21, Resulting Numbers: [10, 21] Generated Node #0,3,4: 18:[10, 21] Operation: 23-2=21 Moving to Node #0,4 Current State: 18:[10, 23, 41], Operations: ['82-41=41'] Exploring Operation: 41-10=31, Resulting Numbers: [23, 31] Generated Node #0,4,0: 18:[23, 31] Operation: 41-10=31 Exploring Operation: 10+23=33, Resulting Numbers: [41, 33] Generated Node #0,4,1: 18:[41, 33] Operation: 10+23=33 Exploring Operation: 41-23=18, Resulting Numbers: [10, 18] Generated Node #0,4,2: 18:[10, 18] Operation: 41-23=18 Exploring Operation: 10+41=51, Resulting Numbers: [23, 51] Generated Node #0,4,3: 18:[23, 51] Operation: 10+41=51 Exploring Operation: 23-10=13, Resulting Numbers: [41, 13] Generated Node #0,4,4: 18:[41, 13] Operation: 23-10=13 Moving to Node #0,1 Current State: 18:[41, 10, 59], Operations: ['82-23=59'] Exploring Operation: 41+10=51, Resulting Numbers: [59, 51] Generated Node #0,1,0: 18:[59, 51] Operation: 41+10=51 Exploring Operation: 10+59=69, Resulting Numbers: [41, 69] Generated Node #0,1,1: 18:[41, 69] Operation: 10+59=69 Exploring Operation: 59-41=18, Resulting Numbers: [10, 18] Generated Node #0,1,2: 18:[10, 18] Operation: 59-41=18 Exploring Operation: 41-10=31, Resulting Numbers: [59, 31] Generated Node #0,1,3: 18:[59, 31] Operation: 41-10=31 Exploring Operation: 59-10=49, Resulting Numbers: [41, 49] Generated Node #0,1,4: 18:[41, 49] Operation: 59-10=49 Moving to Node #0,2 Current State: 18:[10, 82, 18], Operations: ['41-23=18'] Exploring Operation: 10+18=28, Resulting Numbers: [82, 28] Generated Node #0,2,0: 18:[82, 28] Operation: 10+18=28 Exploring Operation: 18-10=8, Resulting Numbers: [82, 8] Generated Node #0,2,1: 18:[82, 8] Operation: 18-10=8 Exploring Operation: 82-18=64, Resulting Numbers: [10, 64] Generated Node #0,2,2: 18:[10, 64] Operation: 82-18=64 Exploring Operation: 10+82=92, Resulting Numbers: [18, 92] Generated Node #0,2,3: 18:[18, 92] Operation: 10+82=92 Exploring Operation: 82-10=72, Resulting Numbers: [18, 72] Generated Node #0,2,4: 18:[18, 72] Operation: 82-10=72 Moving to Node #0,0 Current State: 18:[23, 82, 31], Operations: ['41-10=31'] Exploring Operation: 23+31=54, Resulting Numbers: [82, 54] Generated Node #0,0,0: 18:[82, 54] Operation: 23+31=54 Exploring Operation: 82-31=51, Resulting Numbers: [23, 51] Generated Node #0,0,1: 18:[23, 51] Operation: 82-31=51 Exploring Operation: 23+82=105, Resulting Numbers: [31, 105] Generated Node #0,0,2: 18:[31, 105] Operation: 23+82=105 Exploring Operation: 82-23=59, Resulting Numbers: [31, 59] Generated Node #0,0,3: 18:[31, 59] Operation: 82-23=59 Exploring Operation: 31-23=8, Resulting Numbers: [82, 8] Generated Node #0,0,4: 18:[82, 8] Operation: 31-23=8 Moving to Node #0,4,2 Current State: 18:[10, 18], Operations: ['82-41=41', '41-23=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,18 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[10, 18], Operations: ['82-23=59', '59-41=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,18 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,18 unequal: No Solution Moving to Node #0,3,1 Current State: 18:[2, 13], Operations: ['82/41=2', '23-10=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,18 unequal: No Solution Moving to Node #0,3,4 Current State: 18:[10, 21], Operations: ['82/41=2', '23-2=21'] Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,18 unequal: No Solution Moving to Node #0,3,0 Current State: 18:[23, 5], Operations: ['82/41=2', '10/2=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,18 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[41, 10, 23, 82], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [10, 23, 2] Generated Node #0,3: 18:[10, 23, 2] Operation: 82/41=2 Moving to Node #0,3 Current State: 18:[10, 23, 2], Operations: ['82/41=2'] Exploring Operation: 10/2=5, Resulting Numbers: [23, 5] Generated Node #0,3,0: 18:[23, 5] Operation: 10/2=5 Moving to Node #0,3,0 Current State: 18:[23, 5], Operations: ['82/41=2', '10/2=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.958333
hs_5
sum_heuristic
[ 27, 47, 16, 6 ]
96
[ "27+47=74", "16+6=22", "74+22=96" ]
Current State: 96:[27, 47, 16, 6], Operations: [] Exploring Operation: 27+47=74, Resulting Numbers: [16, 6, 74] Generated Node #2: [16, 6, 74] from Operation: 27+47=74 Current State: 96:[16, 6, 74], Operations: ['27+47=74'] Exploring Operation: 16+6=22, Resulting Numbers: [74, 22] Generated Node #3: [74, 22] from Operation: 16+6=22 Current State: 96:[74, 22], Operations: ['27+47=74', '16+6=22'] Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[27, 47, 16, 6], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [47, 6, 11] Generated Node #0,0: 96:[47, 6, 11] Operation: 27-16=11 Exploring Operation: 27+6=33, Resulting Numbers: [47, 16, 33] Generated Node #0,1: 96:[47, 16, 33] Operation: 27+6=33 Moving to Node #0,0 Current State: 96:[47, 6, 11], Operations: ['27-16=11'] Exploring Operation: 6+11=17, Resulting Numbers: [47, 17] Generated Node #0,0,0: 96:[47, 17] Operation: 6+11=17 Exploring Operation: 11-6=5, Resulting Numbers: [47, 5] Generated Node #0,0,1: 96:[47, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[47, 17], Operations: ['27-16=11', '6+11=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[47, 5], Operations: ['27-16=11', '11-6=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,96 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,96 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: 96:[47, 16, 33], Operations: ['27+6=33'] Exploring Operation: 47-33=14, Resulting Numbers: [16, 14] Generated Node #0,1,0: 96:[16, 14] Operation: 47-33=14 Exploring Operation: 47-16=31, Resulting Numbers: [33, 31] Generated Node #0,1,1: 96:[33, 31] Operation: 47-16=31 Moving to Node #0,1,0 Current State: 96:[16, 14], Operations: ['27+6=33', '47-33=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[33, 31], Operations: ['27+6=33', '47-16=31'] Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,96 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 29, 27, 94, 71 ]
25
[ "29-27=2", "94-71=23", "2+23=25" ]
Current State: 25:[29, 27, 94, 71], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [94, 71, 2] Generated Node #2: [94, 71, 2] from Operation: 29-27=2 Current State: 25:[94, 71, 2], Operations: ['29-27=2'] Exploring Operation: 94-71=23, Resulting Numbers: [2, 23] Generated Node #3: [2, 23] from Operation: 94-71=23 Current State: 25:[2, 23], Operations: ['29-27=2', '94-71=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[29, 27, 94, 71], Operations: [] Exploring Operation: 94-27=67, Resulting Numbers: [29, 71, 67] Generated Node #0,0: 25:[29, 71, 67] Operation: 94-27=67 Exploring Operation: 94-29=65, Resulting Numbers: [27, 71, 65] Generated Node #0,1: 25:[27, 71, 65] Operation: 94-29=65 Exploring Operation: 94-71=23, Resulting Numbers: [29, 27, 23] Generated Node #0,2: 25:[29, 27, 23] Operation: 94-71=23 Exploring Operation: 71-29=42, Resulting Numbers: [27, 94, 42] Generated Node #0,3: 25:[27, 94, 42] Operation: 71-29=42 Moving to Node #0,2 Current State: 25:[29, 27, 23], Operations: ['94-71=23'] Exploring Operation: 29-23=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 25:[27, 6] Operation: 29-23=6 Exploring Operation: 29+23=52, Resulting Numbers: [27, 52] Generated Node #0,2,1: 25:[27, 52] Operation: 29+23=52 Exploring Operation: 27-23=4, Resulting Numbers: [29, 4] Generated Node #0,2,2: 25:[29, 4] Operation: 27-23=4 Exploring Operation: 29-27=2, Resulting Numbers: [23, 2] Generated Node #0,2,3: 25:[23, 2] Operation: 29-27=2 Moving to Node #0,3 Current State: 25:[27, 94, 42], Operations: ['71-29=42'] Exploring Operation: 94-27=67, Resulting Numbers: [42, 67] Generated Node #0,3,0: 25:[42, 67] Operation: 94-27=67 Exploring Operation: 94-42=52, Resulting Numbers: [27, 52] Generated Node #0,3,1: 25:[27, 52] Operation: 94-42=52 Exploring Operation: 27+94=121, Resulting Numbers: [42, 121] Generated Node #0,3,2: 25:[42, 121] Operation: 27+94=121 Exploring Operation: 42-27=15, Resulting Numbers: [94, 15] Generated Node #0,3,3: 25:[94, 15] Operation: 42-27=15 Moving to Node #0,1 Current State: 25:[27, 71, 65], Operations: ['94-29=65'] Exploring Operation: 65-27=38, Resulting Numbers: [71, 38] Generated Node #0,1,0: 25:[71, 38] Operation: 65-27=38 Exploring Operation: 71-27=44, Resulting Numbers: [65, 44] Generated Node #0,1,1: 25:[65, 44] Operation: 71-27=44 Exploring Operation: 27+71=98, Resulting Numbers: [65, 98] Generated Node #0,1,2: 25:[65, 98] Operation: 27+71=98 Exploring Operation: 71-65=6, Resulting Numbers: [27, 6] Generated Node #0,1,3: 25:[27, 6] Operation: 71-65=6 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[27, 6], Operations: ['94-29=65', '71-65=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,25 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,25 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 #0,1,0 Current State: 25:[71, 38], Operations: ['94-29=65', '65-27=38'] Exploring Operation: 71+38=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 71*38=2698, Resulting Numbers: [2698] 2698,25 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 #0,1,1 Current State: 25:[65, 44], Operations: ['94-29=65', '71-27=44'] Exploring Operation: 65*44=2860, Resulting Numbers: [2860] 2860,25 unequal: No Solution Exploring Operation: 65+44=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,25 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 #0,1,2 Current State: 25:[65, 98], Operations: ['94-29=65', '27+71=98'] Exploring Operation: 65+98=163, Resulting Numbers: [163] 163,25 unequal: No Solution Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 65*98=6370, Resulting Numbers: [6370] 6370,25 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: 25:[29, 71, 67], Operations: ['94-27=67'] Exploring Operation: 71-67=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 25:[29, 4] Operation: 71-67=4 Exploring Operation: 71-29=42, Resulting Numbers: [67, 42] Generated Node #0,0,1: 25:[67, 42] Operation: 71-29=42 Exploring Operation: 29+71=100, Resulting Numbers: [67, 100] Generated Node #0,0,2: 25:[67, 100] Operation: 29+71=100 Exploring Operation: 67-29=38, Resulting Numbers: [71, 38] Generated Node #0,0,3: 25:[71, 38] Operation: 67-29=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[29, 4], Operations: ['94-27=67', '71-67=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,25 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[29, 27, 94, 71], Operations: [] Exploring Operation: 94-27=67, Resulting Numbers: [29, 71, 67] Generated Node #0,0: 25:[29, 71, 67] Operation: 94-27=67 Moving to Node #0,0 Current State: 25:[29, 71, 67], Operations: ['94-27=67'] Exploring Operation: 71-67=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 25:[29, 4] Operation: 71-67=4 Moving to Node #0,0,0 Current State: 25:[29, 4], Operations: ['94-27=67', '71-67=4'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 9, 21, 13, 4 ]
80
[ "13-9=4", "21*4=84", "84-4=80" ]
Current State: 80:[9, 21, 13, 4], Operations: [] Exploring Operation: 13-9=4, Resulting Numbers: [21, 4, 4] Generated Node #2: [21, 4, 4] from Operation: 13-9=4 Current State: 80:[21, 4, 4], Operations: ['13-9=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,80 equal: Goal Reached Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[9, 21, 13, 4], Operations: [] Exploring Operation: 21-13=8, Resulting Numbers: [9, 4, 8] Generated Node #0,0: 80:[9, 4, 8] Operation: 21-13=8 Exploring Operation: 13-9=4, Resulting Numbers: [21, 4, 4] Generated Node #0,1: 80:[21, 4, 4] Operation: 13-9=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[9, 4, 8], Operations: ['21-13=8'] Exploring Operation: 9-4=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 80:[8, 5] Operation: 9-4=5 Exploring Operation: 9+8=17, Resulting Numbers: [4, 17] Generated Node #0,0,1: 80:[4, 17] Operation: 9+8=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[8, 5], Operations: ['21-13=8', '9-4=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,80 unequal: No Solution No 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: 80:[4, 17], Operations: ['21-13=8', '9+8=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,80 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: 80:[21, 4, 4], Operations: ['13-9=4'] Exploring Operation: 21-4=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 80:[4, 17] Operation: 21-4=17 Exploring Operation: 21-4=17, Resulting Numbers: [4, 17] Generated Node #0,1,1: 80:[4, 17] Operation: 21-4=17 Moving to Node #0,1,0 Current State: 80:[4, 17], Operations: ['13-9=4', '21-4=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[4, 17], Operations: ['13-9=4', '21-4=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,80 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
[ 67, 5, 87, 29 ]
24
[ "67+5=72", "87/29=3", "72/3=24" ]
Current State: 24:[67, 5, 87, 29], Operations: [] Exploring Operation: 67+5=72, Resulting Numbers: [87, 29, 72] Generated Node #2: [87, 29, 72] from Operation: 67+5=72 Current State: 24:[87, 29, 72], Operations: ['67+5=72'] Exploring Operation: 87/29=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 87/29=3 Current State: 24:[72, 3], Operations: ['67+5=72', '87/29=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[67, 5, 87, 29], Operations: [] Exploring Operation: 67-29=38, Resulting Numbers: [5, 87, 38] Generated Node #0,0: 24:[5, 87, 38] Operation: 67-29=38 Exploring Operation: 87/29=3, Resulting Numbers: [67, 5, 3] Generated Node #0,1: 24:[67, 5, 3] Operation: 87/29=3 Exploring Operation: 87-67=20, Resulting Numbers: [5, 29, 20] Generated Node #0,2: 24:[5, 29, 20] Operation: 87-67=20 Moving to Node #0,2 Current State: 24:[5, 29, 20], Operations: ['87-67=20'] Exploring Operation: 20/5=4, Resulting Numbers: [29, 4] Generated Node #0,2,0: 24:[29, 4] Operation: 20/5=4 Exploring Operation: 29-5=24, Resulting Numbers: [20, 24] Generated Node #0,2,1: 24:[20, 24] Operation: 29-5=24 Exploring Operation: 29-20=9, Resulting Numbers: [5, 9] Generated Node #0,2,2: 24:[5, 9] Operation: 29-20=9 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 24:[5, 9], Operations: ['87-67=20', '29-20=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[20, 24], Operations: ['87-67=20', '29-5=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,24 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[29, 4], Operations: ['87-67=20', '20/5=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,24 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: 24:[67, 5, 3], Operations: ['87/29=3'] Exploring Operation: 5+3=8, Resulting Numbers: [67, 8] Generated Node #0,1,0: 24:[67, 8] Operation: 5+3=8 Exploring Operation: 67-5=62, Resulting Numbers: [3, 62] Generated Node #0,1,1: 24:[3, 62] Operation: 67-5=62 Exploring Operation: 67-3=64, Resulting Numbers: [5, 64] Generated Node #0,1,2: 24:[5, 64] Operation: 67-3=64 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[3, 62], Operations: ['87/29=3', '67-5=62'] Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,24 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[5, 64], Operations: ['87/29=3', '67-3=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[67, 8], Operations: ['87/29=3', '5+3=8'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 24:[5, 87, 38], Operations: ['67-29=38'] Exploring Operation: 38-5=33, Resulting Numbers: [87, 33] Generated Node #0,0,0: 24:[87, 33] Operation: 38-5=33 Exploring Operation: 87-5=82, Resulting Numbers: [38, 82] Generated Node #0,0,1: 24:[38, 82] Operation: 87-5=82 Exploring Operation: 87-38=49, Resulting Numbers: [5, 49] Generated Node #0,0,2: 24:[5, 49] Operation: 87-38=49 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[5, 49], Operations: ['67-29=38', '87-38=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,24 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[87, 33], Operations: ['67-29=38', '38-5=33'] Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,24 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,24 unequal: No Solution Exploring Operation: 87*33=2871, Resulting Numbers: [2871] 2871,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[38, 82], Operations: ['67-29=38', '87-5=82'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,24 unequal: No Solution Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,24 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
[ 65, 51, 60, 31 ]
87
[ "65+51=116", "60-31=29", "116-29=87" ]
Current State: 87:[65, 51, 60, 31], Operations: [] Exploring Operation: 65+51=116, Resulting Numbers: [60, 31, 116] Generated Node #2: [60, 31, 116] from Operation: 65+51=116 Current State: 87:[60, 31, 116], Operations: ['65+51=116'] Exploring Operation: 60-31=29, Resulting Numbers: [116, 29] Generated Node #3: [116, 29] from Operation: 60-31=29 Current State: 87:[116, 29], Operations: ['65+51=116', '60-31=29'] Exploring Operation: 116-29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[65, 51, 60, 31], Operations: [] Exploring Operation: 65-60=5, Resulting Numbers: [51, 31, 5] Generated Node #0,0: 87:[51, 31, 5] Operation: 65-60=5 Moving to Node #0,0 Current State: 87:[51, 31, 5], Operations: ['65-60=5'] Exploring Operation: 51+31=82, Resulting Numbers: [5, 82] Generated Node #0,0,0: 87:[5, 82] Operation: 51+31=82 Moving to Node #0,0,0 Current State: 87:[5, 82], Operations: ['65-60=5', '51+31=82'] Exploring Operation: 5+82=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[65, 51, 60, 31], Operations: [] Exploring Operation: 65-60=5, Resulting Numbers: [51, 31, 5] Generated Node #0,0: 87:[51, 31, 5] Operation: 65-60=5 Moving to Node #0,0 Current State: 87:[51, 31, 5], Operations: ['65-60=5'] Exploring Operation: 51+31=82, Resulting Numbers: [5, 82] Generated Node #0,0,0: 87:[5, 82] Operation: 51+31=82 Moving to Node #0,0,0 Current State: 87:[5, 82], Operations: ['65-60=5', '51+31=82'] Exploring Operation: 5+82=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 61, 39, 89, 93 ]
88
[ "61-39=22", "93-89=4", "22*4=88" ]
Current State: 88:[61, 39, 89, 93], Operations: [] Exploring Operation: 61-39=22, Resulting Numbers: [89, 93, 22] Generated Node #2: [89, 93, 22] from Operation: 61-39=22 Current State: 88:[89, 93, 22], Operations: ['61-39=22'] Exploring Operation: 93-89=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 93-89=4 Current State: 88:[22, 4], Operations: ['61-39=22', '93-89=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[61, 39, 89, 93], Operations: [] Exploring Operation: 61-39=22, Resulting Numbers: [89, 93, 22] Generated Node #0,0: 88:[89, 93, 22] Operation: 61-39=22 Exploring Operation: 89-61=28, Resulting Numbers: [39, 93, 28] Generated Node #0,1: 88:[39, 93, 28] Operation: 89-61=28 Moving to Node #0,0 Current State: 88:[89, 93, 22], Operations: ['61-39=22'] Exploring Operation: 93-89=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 88:[22, 4] Operation: 93-89=4 Exploring Operation: 93-22=71, Resulting Numbers: [89, 71] Generated Node #0,0,1: 88:[89, 71] Operation: 93-22=71 Moving to Node #0,1 Current State: 88:[39, 93, 28], Operations: ['89-61=28'] Exploring Operation: 39-28=11, Resulting Numbers: [93, 11] Generated Node #0,1,0: 88:[93, 11] Operation: 39-28=11 Exploring Operation: 93-39=54, Resulting Numbers: [28, 54] Generated Node #0,1,1: 88:[28, 54] Operation: 93-39=54 Moving to Node #0,0,0 Current State: 88:[22, 4], Operations: ['61-39=22', '93-89=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[61, 39, 89, 93], Operations: [] Exploring Operation: 61-39=22, Resulting Numbers: [89, 93, 22] Generated Node #0,0: 88:[89, 93, 22] Operation: 61-39=22 Moving to Node #0,0 Current State: 88:[89, 93, 22], Operations: ['61-39=22'] Exploring Operation: 93-89=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 88:[22, 4] Operation: 93-89=4 Moving to Node #0,0,0 Current State: 88:[22, 4], Operations: ['61-39=22', '93-89=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 12, 81, 88, 95 ]
76
[ "81-12=69", "95-88=7", "69+7=76" ]
Current State: 76:[12, 81, 88, 95], Operations: [] Exploring Operation: 81-12=69, Resulting Numbers: [88, 95, 69] Generated Node #2: [88, 95, 69] from Operation: 81-12=69 Current State: 76:[88, 95, 69], Operations: ['81-12=69'] Exploring Operation: 95-88=7, Resulting Numbers: [69, 7] Generated Node #3: [69, 7] from Operation: 95-88=7 Current State: 76:[69, 7], Operations: ['81-12=69', '95-88=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[12, 81, 88, 95], Operations: [] Exploring Operation: 95-81=14, Resulting Numbers: [12, 88, 14] Generated Node #0,0: 76:[12, 88, 14] Operation: 95-81=14 Exploring Operation: 95-88=7, Resulting Numbers: [12, 81, 7] Generated Node #0,1: 76:[12, 81, 7] Operation: 95-88=7 Exploring Operation: 88-12=76, Resulting Numbers: [81, 95, 76] Generated Node #0,2: 76:[81, 95, 76] Operation: 88-12=76 Exploring Operation: 88-81=7, Resulting Numbers: [12, 95, 7] Generated Node #0,3: 76:[12, 95, 7] Operation: 88-81=7 Exploring Operation: 95-12=83, Resulting Numbers: [81, 88, 83] Generated Node #0,4: 76:[81, 88, 83] Operation: 95-12=83 Moving to Node #0,1 Current State: 76:[12, 81, 7], Operations: ['95-88=7'] Exploring Operation: 81-12=69, Resulting Numbers: [7, 69] Generated Node #0,1,0: 76:[7, 69] Operation: 81-12=69 Exploring Operation: 81-7=74, Resulting Numbers: [12, 74] Generated Node #0,1,1: 76:[12, 74] Operation: 81-7=74 Exploring Operation: 12+7=19, Resulting Numbers: [81, 19] Generated Node #0,1,2: 76:[81, 19] Operation: 12+7=19 Exploring Operation: 12*7=84, Resulting Numbers: [81, 84] Generated Node #0,1,3: 76:[81, 84] Operation: 12*7=84 Exploring Operation: 12-7=5, Resulting Numbers: [81, 5] Generated Node #0,1,4: 76:[81, 5] Operation: 12-7=5 Moving to Node #0,2 Current State: 76:[81, 95, 76], Operations: ['88-12=76'] Exploring Operation: 81+95=176, Resulting Numbers: [76, 176] Generated Node #0,2,0: 76:[76, 176] Operation: 81+95=176 Exploring Operation: 95-81=14, Resulting Numbers: [76, 14] Generated Node #0,2,1: 76:[76, 14] Operation: 95-81=14 Exploring Operation: 95-76=19, Resulting Numbers: [81, 19] Generated Node #0,2,2: 76:[81, 19] Operation: 95-76=19 Exploring Operation: 81-76=5, Resulting Numbers: [95, 5] Generated Node #0,2,3: 76:[95, 5] Operation: 81-76=5 Exploring Operation: 81+76=157, Resulting Numbers: [95, 157] Generated Node #0,2,4: 76:[95, 157] Operation: 81+76=157 Moving to Node #0,0 Current State: 76:[12, 88, 14], Operations: ['95-81=14'] Exploring Operation: 12+88=100, Resulting Numbers: [14, 100] Generated Node #0,0,0: 76:[14, 100] Operation: 12+88=100 Exploring Operation: 88-12=76, Resulting Numbers: [14, 76] Generated Node #0,0,1: 76:[14, 76] Operation: 88-12=76 Exploring Operation: 88-14=74, Resulting Numbers: [12, 74] Generated Node #0,0,2: 76:[12, 74] Operation: 88-14=74 Exploring Operation: 12+14=26, Resulting Numbers: [88, 26] Generated Node #0,0,3: 76:[88, 26] Operation: 12+14=26 Exploring Operation: 14-12=2, Resulting Numbers: [88, 2] Generated Node #0,0,4: 76:[88, 2] Operation: 14-12=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[14, 76], Operations: ['95-81=14', '88-12=76'] Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 14*76=1064, Resulting Numbers: [1064] 1064,76 unequal: No Solution Exploring Operation: 14+76=90, Resulting Numbers: [90] 90,76 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:[12, 74], Operations: ['95-81=14', '88-14=74'] Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 12*74=888, Resulting Numbers: [888] 888,76 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 #0,0,4 Current State: 76:[88, 2], Operations: ['95-81=14', '14-12=2'] Exploring Operation: 88*2=176, Resulting Numbers: [176] 176,76 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,76 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 #0,0,3 Current State: 76:[88, 26], Operations: ['95-81=14', '12+14=26'] Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,76 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 88+26=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 #0,0,0 Current State: 76:[14, 100], Operations: ['95-81=14', '12+88=100'] Exploring Operation: 14+100=114, Resulting Numbers: [114] 114,76 unequal: No Solution Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 14*100=1400, Resulting Numbers: [1400] 1400,76 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: 76:[81, 88, 83], Operations: ['95-12=83'] Exploring Operation: 88-81=7, Resulting Numbers: [83, 7] Generated Node #0,4,0: 76:[83, 7] Operation: 88-81=7 Exploring Operation: 81+83=164, Resulting Numbers: [88, 164] Generated Node #0,4,1: 76:[88, 164] Operation: 81+83=164 Exploring Operation: 81+88=169, Resulting Numbers: [83, 169] Generated Node #0,4,2: 76:[83, 169] Operation: 81+88=169 Exploring Operation: 83-81=2, Resulting Numbers: [88, 2] Generated Node #0,4,3: 76:[88, 2] Operation: 83-81=2 Exploring Operation: 88-83=5, Resulting Numbers: [81, 5] Generated Node #0,4,4: 76:[81, 5] Operation: 88-83=5 Moving to Node #0,3 Current State: 76:[12, 95, 7], Operations: ['88-81=7'] Exploring Operation: 12*7=84, Resulting Numbers: [95, 84] Generated Node #0,3,0: 76:[95, 84] Operation: 12*7=84 Exploring Operation: 12-7=5, Resulting Numbers: [95, 5] Generated Node #0,3,1: 76:[95, 5] Operation: 12-7=5 Exploring Operation: 95-12=83, Resulting Numbers: [7, 83] Generated Node #0,3,2: 76:[7, 83] Operation: 95-12=83 Exploring Operation: 95-7=88, Resulting Numbers: [12, 88] Generated Node #0,3,3: 76:[12, 88] Operation: 95-7=88 Exploring Operation: 12+7=19, Resulting Numbers: [95, 19] Generated Node #0,3,4: 76:[95, 19] Operation: 12+7=19 Moving to Node #0,1,2 Current State: 76:[81, 19], Operations: ['95-88=7', '12+7=19'] Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,76 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,76 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[76, 14], Operations: ['88-12=76', '95-81=14'] Exploring Operation: 76+14=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 76*14=1064, Resulting Numbers: [1064] 1064,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[81, 19], Operations: ['88-12=76', '95-76=19'] Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,76 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[81, 5], Operations: ['95-88=7', '12-7=5'] Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,76 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[12, 81, 88, 95], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [12, 81, 7] Generated Node #0,1: 76:[12, 81, 7] Operation: 95-88=7 Moving to Node #0,1 Current State: 76:[12, 81, 7], Operations: ['95-88=7'] Exploring Operation: 12-7=5, Resulting Numbers: [81, 5] Generated Node #0,1,4: 76:[81, 5] Operation: 12-7=5 Moving to Node #0,1,4 Current State: 76:[81, 5], Operations: ['95-88=7', '12-7=5'] Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.946181
hs_5
mult_heuristic
[ 76, 32, 2, 74 ]
62
[ "76-74=2", "32*2=64", "64-2=62" ]
Current State: 62:[76, 32, 2, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [32, 2, 2] Generated Node #2: [32, 2, 2] from Operation: 76-74=2 Current State: 62:[32, 2, 2], Operations: ['76-74=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,62 equal: Goal Reached Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[76, 32, 2, 74], Operations: [] Exploring Operation: 76-32=44, Resulting Numbers: [2, 74, 44] Generated Node #0,0: 62:[2, 74, 44] Operation: 76-32=44 Exploring Operation: 76-2=74, Resulting Numbers: [32, 74, 74] Generated Node #0,1: 62:[32, 74, 74] Operation: 76-2=74 Exploring Operation: 76-74=2, Resulting Numbers: [32, 2, 2] Generated Node #0,2: 62:[32, 2, 2] Operation: 76-74=2 Exploring Operation: 74/2=37, Resulting Numbers: [76, 32, 37] Generated Node #0,3: 62:[76, 32, 37] Operation: 74/2=37 Exploring Operation: 76/2=38, Resulting Numbers: [32, 74, 38] Generated Node #0,4: 62:[32, 74, 38] Operation: 76/2=38 Moving to Node #0,2 Current State: 62:[32, 2, 2], Operations: ['76-74=2'] Exploring Operation: 32-2=30, Resulting Numbers: [2, 30] Generated Node #0,2,0: 62:[2, 30] Operation: 32-2=30 Exploring Operation: 2/2=1, Resulting Numbers: [32, 1] Generated Node #0,2,1: 62:[32, 1] Operation: 2/2=1 Exploring Operation: 32*2=64, Resulting Numbers: [2, 64] Generated Node #0,2,2: 62:[2, 64] Operation: 32*2=64 Exploring Operation: 32-2=30, Resulting Numbers: [2, 30] Generated Node #0,2,3: 62:[2, 30] Operation: 32-2=30 Exploring Operation: 32*2=64, Resulting Numbers: [2, 64] Generated Node #0,2,4: 62:[2, 64] Operation: 32*2=64 Moving to Node #0,4 Current State: 62:[32, 74, 38], Operations: ['76/2=38'] Exploring Operation: 74-32=42, Resulting Numbers: [38, 42] Generated Node #0,4,0: 62:[38, 42] Operation: 74-32=42 Exploring Operation: 38-32=6, Resulting Numbers: [74, 6] Generated Node #0,4,1: 62:[74, 6] Operation: 38-32=6 Exploring Operation: 32+74=106, Resulting Numbers: [38, 106] Generated Node #0,4,2: 62:[38, 106] Operation: 32+74=106 Exploring Operation: 74-38=36, Resulting Numbers: [32, 36] Generated Node #0,4,3: 62:[32, 36] Operation: 74-38=36 Exploring Operation: 32+38=70, Resulting Numbers: [74, 70] Generated Node #0,4,4: 62:[74, 70] Operation: 32+38=70 Moving to Node #0,3 Current State: 62:[76, 32, 37], Operations: ['74/2=37'] Exploring Operation: 76-37=39, Resulting Numbers: [32, 39] Generated Node #0,3,0: 62:[32, 39] Operation: 76-37=39 Exploring Operation: 76+32=108, Resulting Numbers: [37, 108] Generated Node #0,3,1: 62:[37, 108] Operation: 76+32=108 Exploring Operation: 76-32=44, Resulting Numbers: [37, 44] Generated Node #0,3,2: 62:[37, 44] Operation: 76-32=44 Exploring Operation: 37-32=5, Resulting Numbers: [76, 5] Generated Node #0,3,3: 62:[76, 5] Operation: 37-32=5 Exploring Operation: 32+37=69, Resulting Numbers: [76, 69] Generated Node #0,3,4: 62:[76, 69] Operation: 32+37=69 Moving to Node #0,0 Current State: 62:[2, 74, 44], Operations: ['76-32=44'] Exploring Operation: 74-44=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 62:[2, 30] Operation: 74-44=30 Exploring Operation: 44/2=22, Resulting Numbers: [74, 22] Generated Node #0,0,1: 62:[74, 22] Operation: 44/2=22 Exploring Operation: 74/2=37, Resulting Numbers: [44, 37] Generated Node #0,0,2: 62:[44, 37] Operation: 74/2=37 Exploring Operation: 44-2=42, Resulting Numbers: [74, 42] Generated Node #0,0,3: 62:[74, 42] Operation: 44-2=42 Exploring Operation: 74-2=72, Resulting Numbers: [44, 72] Generated Node #0,0,4: 62:[44, 72] Operation: 74-2=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[2, 30], Operations: ['76-32=44', '74-44=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[44, 37], Operations: ['76-32=44', '74/2=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,62 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[74, 22], Operations: ['76-32=44', '44/2=22'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,62 unequal: No Solution Exploring Operation: 74*22=1628, Resulting Numbers: [1628] 1628,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[74, 42], Operations: ['76-32=44', '44-2=42'] Exploring Operation: 74*42=3108, Resulting Numbers: [3108] 3108,62 unequal: No Solution Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 74+42=116, Resulting Numbers: [116] 116,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 62:[44, 72], Operations: ['76-32=44', '74-2=72'] Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,62 unequal: No Solution Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,62 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,62 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: 62:[32, 74, 74], Operations: ['76-2=74'] Exploring Operation: 32+74=106, Resulting Numbers: [74, 106] Generated Node #0,1,0: 62:[74, 106] Operation: 32+74=106 Exploring Operation: 74-32=42, Resulting Numbers: [74, 42] Generated Node #0,1,1: 62:[74, 42] Operation: 74-32=42 Exploring Operation: 74-74=0, Resulting Numbers: [32, 0] Generated Node #0,1,2: 62:[32, 0] Operation: 74-74=0 Exploring Operation: 74/74=1, Resulting Numbers: [32, 1] Generated Node #0,1,3: 62:[32, 1] Operation: 74/74=1 Exploring Operation: 74-32=42, Resulting Numbers: [74, 42] Generated Node #0,1,4: 62:[74, 42] Operation: 74-32=42 Moving to Node #0,2,0 Current State: 62:[2, 30], Operations: ['76-74=2', '32-2=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[2, 30], Operations: ['76-74=2', '32-2=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[32, 1], Operations: ['76-74=2', '2/2=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,62 unequal: No Solution Moving to Node #0,2,4 Current State: 62:[2, 64], Operations: ['76-74=2', '32*2=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,62 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,62 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[76, 32, 2, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [32, 2, 2] Generated Node #0,2: 62:[32, 2, 2] Operation: 76-74=2 Moving to Node #0,2 Current State: 62:[32, 2, 2], Operations: ['76-74=2'] Exploring Operation: 32*2=64, Resulting Numbers: [2, 64] Generated Node #0,2,4: 62:[2, 64] Operation: 32*2=64 Moving to Node #0,2,4 Current State: 62:[2, 64], Operations: ['76-74=2', '32*2=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 21, 77, 98, 45 ]
46
[ "21+77=98", "98/98=1", "45+1=46" ]
Current State: 46:[21, 77, 98, 45], Operations: [] Exploring Operation: 21+77=98, Resulting Numbers: [98, 45, 98] Generated Node #2: [98, 45, 98] from Operation: 21+77=98 Current State: 46:[98, 45, 98], Operations: ['21+77=98'] Exploring Operation: 98/98=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 98/98=1 Current State: 46:[45, 1], Operations: ['21+77=98', '98/98=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[21, 77, 98, 45], Operations: [] Exploring Operation: 98-21=77, Resulting Numbers: [77, 45, 77] Generated Node #0,0: 46:[77, 45, 77] Operation: 98-21=77 Exploring Operation: 98-77=21, Resulting Numbers: [21, 45, 21] Generated Node #0,1: 46:[21, 45, 21] Operation: 98-77=21 Exploring Operation: 98-45=53, Resulting Numbers: [21, 77, 53] Generated Node #0,2: 46:[21, 77, 53] Operation: 98-45=53 Exploring Operation: 77-21=56, Resulting Numbers: [98, 45, 56] Generated Node #0,3: 46:[98, 45, 56] Operation: 77-21=56 Moving to Node #0,1 Current State: 46:[21, 45, 21], Operations: ['98-77=21'] Exploring Operation: 21-21=0, Resulting Numbers: [45, 0] Generated Node #0,1,0: 46:[45, 0] Operation: 21-21=0 Exploring Operation: 45-21=24, Resulting Numbers: [21, 24] Generated Node #0,1,1: 46:[21, 24] Operation: 45-21=24 Exploring Operation: 45-21=24, Resulting Numbers: [21, 24] Generated Node #0,1,2: 46:[21, 24] Operation: 45-21=24 Exploring Operation: 21/21=1, Resulting Numbers: [45, 1] Generated Node #0,1,3: 46:[45, 1] Operation: 21/21=1 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[45, 1], Operations: ['98-77=21', '21/21=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=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:[21, 77, 98, 45], Operations: [] Exploring Operation: 98-77=21, Resulting Numbers: [21, 45, 21] Generated Node #0,1: 46:[21, 45, 21] Operation: 98-77=21 Moving to Node #0,1 Current State: 46:[21, 45, 21], Operations: ['98-77=21'] Exploring Operation: 21/21=1, Resulting Numbers: [45, 1] Generated Node #0,1,3: 46:[45, 1] Operation: 21/21=1 Moving to Node #0,1,3 Current State: 46:[45, 1], Operations: ['98-77=21', '21/21=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 28, 1, 70, 7 ]
90
[ "28-1=27", "70-7=63", "27+63=90" ]
Current State: 90:[28, 1, 70, 7], Operations: [] Exploring Operation: 28-1=27, Resulting Numbers: [70, 7, 27] Generated Node #2: [70, 7, 27] from Operation: 28-1=27 Current State: 90:[70, 7, 27], Operations: ['28-1=27'] Exploring Operation: 70-7=63, Resulting Numbers: [27, 63] Generated Node #3: [27, 63] from Operation: 70-7=63 Current State: 90:[27, 63], Operations: ['28-1=27', '70-7=63'] Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[28, 1, 70, 7], Operations: [] Exploring Operation: 28+70=98, Resulting Numbers: [1, 7, 98] Generated Node #0,0: 90:[1, 7, 98] Operation: 28+70=98 Exploring Operation: 70-28=42, Resulting Numbers: [1, 7, 42] Generated Node #0,1: 90:[1, 7, 42] Operation: 70-28=42 Exploring Operation: 70+7=77, Resulting Numbers: [28, 1, 77] Generated Node #0,2: 90:[28, 1, 77] Operation: 70+7=77 Exploring Operation: 70/7=10, Resulting Numbers: [28, 1, 10] Generated Node #0,3: 90:[28, 1, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[28, 1, 10], Operations: ['70/7=10'] Exploring Operation: 28*1=28, Resulting Numbers: [10, 28] Generated Node #0,3,0: 90:[10, 28] Operation: 28*1=28 Exploring Operation: 28/1=28, Resulting Numbers: [10, 28] Generated Node #0,3,1: 90:[10, 28] Operation: 28/1=28 Exploring Operation: 28+1=29, Resulting Numbers: [10, 29] Generated Node #0,3,2: 90:[10, 29] Operation: 28+1=29 Exploring Operation: 28-10=18, Resulting Numbers: [1, 18] Generated Node #0,3,3: 90:[1, 18] Operation: 28-10=18 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[10, 29], Operations: ['70/7=10', '28+1=29'] Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,90 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,90 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:[1, 18], Operations: ['70/7=10', '28-10=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,90 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:[10, 28], Operations: ['70/7=10', '28*1=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,90 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,90 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 #0,3,1 Current State: 90:[10, 28], Operations: ['70/7=10', '28/1=28'] Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,90 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[1, 7, 42], Operations: ['70-28=42'] Exploring Operation: 1+7=8, Resulting Numbers: [42, 8] Generated Node #0,1,0: 90:[42, 8] Operation: 1+7=8 Exploring Operation: 7-1=6, Resulting Numbers: [42, 6] Generated Node #0,1,1: 90:[42, 6] Operation: 7-1=6 Exploring Operation: 42/7=6, Resulting Numbers: [1, 6] Generated Node #0,1,2: 90:[1, 6] Operation: 42/7=6 Exploring Operation: 1+42=43, Resulting Numbers: [7, 43] Generated Node #0,1,3: 90:[7, 43] Operation: 1+42=43 Moving to Node #0,1,2 Current State: 90:[1, 6], Operations: ['70-28=42', '42/7=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[7, 43], Operations: ['70-28=42', '1+42=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,90 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[42, 6], Operations: ['70-28=42', '7-1=6'] Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,90 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[42, 8], Operations: ['70-28=42', '1+7=8'] Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,90 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[1, 7, 98], Operations: ['28+70=98'] Exploring Operation: 7-1=6, Resulting Numbers: [98, 6] Generated Node #0,0,0: 90:[98, 6] Operation: 7-1=6 Exploring Operation: 98-1=97, Resulting Numbers: [7, 97] Generated Node #0,0,1: 90:[7, 97] Operation: 98-1=97 Exploring Operation: 98-7=91, Resulting Numbers: [1, 91] Generated Node #0,0,2: 90:[1, 91] Operation: 98-7=91 Exploring Operation: 98/7=14, Resulting Numbers: [1, 14] Generated Node #0,0,3: 90:[1, 14] Operation: 98/7=14 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[1, 91], Operations: ['28+70=98', '98-7=91'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[28, 1, 70, 7], Operations: [] Exploring Operation: 28+70=98, Resulting Numbers: [1, 7, 98] Generated Node #0,0: 90:[1, 7, 98] Operation: 28+70=98 Moving to Node #0,0 Current State: 90:[1, 7, 98], Operations: ['28+70=98'] Exploring Operation: 98-7=91, Resulting Numbers: [1, 91] Generated Node #0,0,2: 90:[1, 91] Operation: 98-7=91 Moving to Node #0,0,2 Current State: 90:[1, 91], Operations: ['28+70=98', '98-7=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.957465
hs_4
mult_heuristic
[ 99, 9, 68, 18 ]
40
[ "99-9=90", "68-18=50", "90-50=40" ]
Current State: 40:[99, 9, 68, 18], Operations: [] Exploring Operation: 99-9=90, Resulting Numbers: [68, 18, 90] Generated Node #2: [68, 18, 90] from Operation: 99-9=90 Current State: 40:[68, 18, 90], Operations: ['99-9=90'] Exploring Operation: 68-18=50, Resulting Numbers: [90, 50] Generated Node #3: [90, 50] from Operation: 68-18=50 Current State: 40:[90, 50], Operations: ['99-9=90', '68-18=50'] Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[99, 9, 68, 18], Operations: [] Exploring Operation: 99-18=81, Resulting Numbers: [9, 68, 81] Generated Node #0,0: 40:[9, 68, 81] Operation: 99-18=81 Exploring Operation: 99/9=11, Resulting Numbers: [68, 18, 11] Generated Node #0,1: 40:[68, 18, 11] Operation: 99/9=11 Exploring Operation: 99-9=90, Resulting Numbers: [68, 18, 90] Generated Node #0,2: 40:[68, 18, 90] Operation: 99-9=90 Exploring Operation: 99-68=31, Resulting Numbers: [9, 18, 31] Generated Node #0,3: 40:[9, 18, 31] Operation: 99-68=31 Exploring Operation: 68-18=50, Resulting Numbers: [99, 9, 50] Generated Node #0,4: 40:[99, 9, 50] Operation: 68-18=50 Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[9, 18, 31], Operations: ['99-68=31'] Exploring Operation: 9+31=40, Resulting Numbers: [18, 40] Generated Node #0,3,0: 40:[18, 40] Operation: 9+31=40 Exploring Operation: 18/9=2, Resulting Numbers: [31, 2] Generated Node #0,3,1: 40:[31, 2] Operation: 18/9=2 Exploring Operation: 31-9=22, Resulting Numbers: [18, 22] Generated Node #0,3,2: 40:[18, 22] Operation: 31-9=22 Exploring Operation: 31-18=13, Resulting Numbers: [9, 13] Generated Node #0,3,3: 40:[9, 13] Operation: 31-18=13 Exploring Operation: 18-9=9, Resulting Numbers: [31, 9] Generated Node #0,3,4: 40:[31, 9] Operation: 18-9=9 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[18, 40], Operations: ['99-68=31', '9+31=40'] Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,40 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,40 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 #0,3,2 Current State: 40:[18, 22], Operations: ['99-68=31', '31-9=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[99, 9, 68, 18], Operations: [] Exploring Operation: 99-68=31, Resulting Numbers: [9, 18, 31] Generated Node #0,3: 40:[9, 18, 31] Operation: 99-68=31 Moving to Node #0,3 Current State: 40:[9, 18, 31], Operations: ['99-68=31'] Exploring Operation: 31-9=22, Resulting Numbers: [18, 22] Generated Node #0,3,2: 40:[18, 22] Operation: 31-9=22 Moving to Node #0,3,2 Current State: 40:[18, 22], Operations: ['99-68=31', '31-9=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 14, 67, 24, 97 ]
10
[ "67-24=43", "97+43=140", "140/14=10" ]
Current State: 10:[14, 67, 24, 97], Operations: [] Exploring Operation: 67-24=43, Resulting Numbers: [14, 97, 43] Generated Node #2: [14, 97, 43] from Operation: 67-24=43 Current State: 10:[14, 97, 43], Operations: ['67-24=43'] Exploring Operation: 97+43=140, Resulting Numbers: [14, 140] Generated Node #3: [14, 140] from Operation: 97+43=140 Current State: 10:[14, 140], Operations: ['67-24=43', '97+43=140'] Exploring Operation: 140/14=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[14, 67, 24, 97], Operations: [] Exploring Operation: 97-67=30, Resulting Numbers: [14, 24, 30] Generated Node #0,0: 10:[14, 24, 30] Operation: 97-67=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[14, 24, 30], Operations: ['97-67=30'] Exploring Operation: 30-24=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 10:[14, 6] Operation: 30-24=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[14, 6], Operations: ['97-67=30', '30-24=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,10 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
[ 46, 20, 2, 18 ]
96
[ "46+20=66", "66-18=48", "2*48=96" ]
Current State: 96:[46, 20, 2, 18], Operations: [] Exploring Operation: 46+20=66, Resulting Numbers: [2, 18, 66] Generated Node #2: [2, 18, 66] from Operation: 46+20=66 Current State: 96:[2, 18, 66], Operations: ['46+20=66'] Exploring Operation: 66-18=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 66-18=48 Current State: 96:[2, 48], Operations: ['46+20=66', '66-18=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[46, 20, 2, 18], Operations: [] Exploring Operation: 46-20=26, Resulting Numbers: [2, 18, 26] Generated Node #0,0: 96:[2, 18, 26] Operation: 46-20=26 Exploring Operation: 20+2=22, Resulting Numbers: [46, 18, 22] Generated Node #0,1: 96:[46, 18, 22] Operation: 20+2=22 Exploring Operation: 20-18=2, Resulting Numbers: [46, 2, 2] Generated Node #0,2: 96:[46, 2, 2] Operation: 20-18=2 Exploring Operation: 46+2=48, Resulting Numbers: [20, 18, 48] Generated Node #0,3: 96:[20, 18, 48] Operation: 46+2=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[46, 2, 2], Operations: ['20-18=2'] Exploring Operation: 46+2=48, Resulting Numbers: [2, 48] Generated Node #0,2,0: 96:[2, 48] Operation: 46+2=48 Exploring Operation: 46/2=23, Resulting Numbers: [2, 23] Generated Node #0,2,1: 96:[2, 23] Operation: 46/2=23 Exploring Operation: 46/2=23, Resulting Numbers: [2, 23] Generated Node #0,2,2: 96:[2, 23] Operation: 46/2=23 Exploring Operation: 46+2=48, Resulting Numbers: [2, 48] Generated Node #0,2,3: 96:[2, 48] Operation: 46+2=48 Moving to Node #0,2,0 Current State: 96:[2, 48], Operations: ['20-18=2', '46+2=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[46, 20, 2, 18], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [46, 2, 2] Generated Node #0,2: 96:[46, 2, 2] Operation: 20-18=2 Moving to Node #0,2 Current State: 96:[46, 2, 2], Operations: ['20-18=2'] Exploring Operation: 46+2=48, Resulting Numbers: [2, 48] Generated Node #0,2,0: 96:[2, 48] Operation: 46+2=48 Moving to Node #0,2,0 Current State: 96:[2, 48], Operations: ['20-18=2', '46+2=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 17, 5, 14, 62 ]
10
[ "17+14=31", "5*62=310", "310/31=10" ]
Current State: 10:[17, 5, 14, 62], Operations: [] Exploring Operation: 17+14=31, Resulting Numbers: [5, 62, 31] Generated Node #2: [5, 62, 31] from Operation: 17+14=31 Current State: 10:[5, 62, 31], Operations: ['17+14=31'] Exploring Operation: 5*62=310, Resulting Numbers: [31, 310] Generated Node #3: [31, 310] from Operation: 5*62=310 Current State: 10:[31, 310], Operations: ['17+14=31', '5*62=310'] Exploring Operation: 310/31=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[17, 5, 14, 62], Operations: [] Exploring Operation: 62-14=48, Resulting Numbers: [17, 5, 48] Generated Node #0,0: 10:[17, 5, 48] Operation: 62-14=48 Exploring Operation: 62-5=57, Resulting Numbers: [17, 14, 57] Generated Node #0,1: 10:[17, 14, 57] Operation: 62-5=57 Exploring Operation: 17-5=12, Resulting Numbers: [14, 62, 12] Generated Node #0,2: 10:[14, 62, 12] Operation: 17-5=12 Exploring Operation: 62-17=45, Resulting Numbers: [5, 14, 45] Generated Node #0,3: 10:[5, 14, 45] Operation: 62-17=45 Exploring Operation: 17-14=3, Resulting Numbers: [5, 62, 3] Generated Node #0,4: 10:[5, 62, 3] Operation: 17-14=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[5, 14, 45], Operations: ['62-17=45'] Exploring Operation: 5+14=19, Resulting Numbers: [45, 19] Generated Node #0,3,0: 10:[45, 19] Operation: 5+14=19 Exploring Operation: 45-14=31, Resulting Numbers: [5, 31] Generated Node #0,3,1: 10:[5, 31] Operation: 45-14=31 Exploring Operation: 45-5=40, Resulting Numbers: [14, 40] Generated Node #0,3,2: 10:[14, 40] Operation: 45-5=40 Exploring Operation: 45/5=9, Resulting Numbers: [14, 9] Generated Node #0,3,3: 10:[14, 9] Operation: 45/5=9 Exploring Operation: 14-5=9, Resulting Numbers: [45, 9] Generated Node #0,3,4: 10:[45, 9] Operation: 14-5=9 Moving to Node #0,3,3 Current State: 10:[14, 9], Operations: ['62-17=45', '45/5=9'] Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,10 unequal: No Solution Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[5, 31], Operations: ['62-17=45', '45-14=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[14, 40], Operations: ['62-17=45', '45-5=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,10 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[45, 9], Operations: ['62-17=45', '14-5=9'] Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[45, 19], Operations: ['62-17=45', '5+14=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,10 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,10 unequal: No Solution No 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: 10:[17, 5, 48], Operations: ['62-14=48'] Exploring Operation: 48-17=31, Resulting Numbers: [5, 31] Generated Node #0,0,0: 10:[5, 31] Operation: 48-17=31 Exploring Operation: 5+48=53, Resulting Numbers: [17, 53] Generated Node #0,0,1: 10:[17, 53] Operation: 5+48=53 Exploring Operation: 17+5=22, Resulting Numbers: [48, 22] Generated Node #0,0,2: 10:[48, 22] Operation: 17+5=22 Exploring Operation: 48-5=43, Resulting Numbers: [17, 43] Generated Node #0,0,3: 10:[17, 43] Operation: 48-5=43 Exploring Operation: 17-5=12, Resulting Numbers: [48, 12] Generated Node #0,0,4: 10:[48, 12] Operation: 17-5=12 Moving to Node #0,0,0 Current State: 10:[5, 31], Operations: ['62-14=48', '48-17=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,10 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[48, 12], Operations: ['62-14=48', '17-5=12'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 48*12=576, Resulting Numbers: [576] 576,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[17, 43], Operations: ['62-14=48', '48-5=43'] Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,10 unequal: No Solution Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[17, 53], Operations: ['62-14=48', '5+48=53'] Exploring Operation: 17+53=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 17*53=901, Resulting Numbers: [901] 901,10 unequal: No Solution Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[48, 22], Operations: ['62-14=48', '17+5=22'] Exploring Operation: 48+22=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 48*22=1056, Resulting Numbers: [1056] 1056,10 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,10 unequal: No Solution No 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: 10:[5, 62, 3], Operations: ['17-14=3'] Exploring Operation: 5+3=8, Resulting Numbers: [62, 8] Generated Node #0,4,0: 10:[62, 8] Operation: 5+3=8 Exploring Operation: 62-3=59, Resulting Numbers: [5, 59] Generated Node #0,4,1: 10:[5, 59] Operation: 62-3=59 Exploring Operation: 62-5=57, Resulting Numbers: [3, 57] Generated Node #0,4,2: 10:[3, 57] Operation: 62-5=57 Exploring Operation: 5-3=2, Resulting Numbers: [62, 2] Generated Node #0,4,3: 10:[62, 2] Operation: 5-3=2 Exploring Operation: 62+3=65, Resulting Numbers: [5, 65] Generated Node #0,4,4: 10:[5, 65] Operation: 62+3=65 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 10:[3, 57], Operations: ['17-14=3', '62-5=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,10 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 10:[5, 59], Operations: ['17-14=3', '62-3=59'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,10 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 10:[62, 2], Operations: ['17-14=3', '5-3=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,10 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 10:[62, 8], Operations: ['17-14=3', '5+3=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 10:[5, 65], Operations: ['17-14=3', '62+3=65'] Exploring Operation: 5+65=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 5*65=325, Resulting Numbers: [325] 325,10 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,10 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: 10:[17, 14, 57], Operations: ['62-5=57'] Exploring Operation: 57-14=43, Resulting Numbers: [17, 43] Generated Node #0,1,0: 10:[17, 43] Operation: 57-14=43 Exploring Operation: 57-17=40, Resulting Numbers: [14, 40] Generated Node #0,1,1: 10:[14, 40] Operation: 57-17=40 Exploring Operation: 17+57=74, Resulting Numbers: [14, 74] Generated Node #0,1,2: 10:[14, 74] Operation: 17+57=74 Exploring Operation: 17+14=31, Resulting Numbers: [57, 31] Generated Node #0,1,3: 10:[57, 31] Operation: 17+14=31 Exploring Operation: 17-14=3, Resulting Numbers: [57, 3] Generated Node #0,1,4: 10:[57, 3] Operation: 17-14=3 Moving to Node #0,1,1 Current State: 10:[14, 40], Operations: ['62-5=57', '57-17=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,10 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[17, 43], Operations: ['62-5=57', '57-14=43'] Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[57, 3], Operations: ['62-5=57', '17-14=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 57*3=171, Resulting Numbers: [171] 171,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[14, 74], Operations: ['62-5=57', '17+57=74'] Exploring Operation: 14+74=88, Resulting Numbers: [88] 88,10 unequal: No Solution Exploring Operation: 14*74=1036, Resulting Numbers: [1036] 1036,10 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[57, 31], Operations: ['62-5=57', '17+14=31'] Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,10 unequal: No Solution Exploring Operation: 57*31=1767, Resulting Numbers: [1767] 1767,10 unequal: No Solution No 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: 10:[14, 62, 12], Operations: ['17-5=12'] Exploring Operation: 14+12=26, Resulting Numbers: [62, 26] Generated Node #0,2,0: 10:[62, 26] Operation: 14+12=26 Exploring Operation: 62-12=50, Resulting Numbers: [14, 50] Generated Node #0,2,1: 10:[14, 50] Operation: 62-12=50 Exploring Operation: 62-14=48, Resulting Numbers: [12, 48] Generated Node #0,2,2: 10:[12, 48] Operation: 62-14=48 Exploring Operation: 14-12=2, Resulting Numbers: [62, 2] Generated Node #0,2,3: 10:[62, 2] Operation: 14-12=2 Exploring Operation: 14+62=76, Resulting Numbers: [12, 76] Generated Node #0,2,4: 10:[12, 76] Operation: 14+62=76 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[12, 48], Operations: ['17-5=12', '62-14=48'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[14, 50], Operations: ['17-5=12', '62-12=50'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 14*50=700, Resulting Numbers: [700] 700,10 unequal: No Solution Exploring Operation: 14+50=64, Resulting Numbers: [64] 64,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 10:[62, 2], Operations: ['17-5=12', '14-12=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 10:[62, 26], Operations: ['17-5=12', '14+12=26'] Exploring Operation: 62*26=1612, Resulting Numbers: [1612] 1612,10 unequal: No Solution Exploring Operation: 62+26=88, Resulting Numbers: [88] 88,10 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 10:[12, 76], Operations: ['17-5=12', '14+62=76'] Exploring Operation: 12*76=912, Resulting Numbers: [912] 912,10 unequal: No Solution Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 12+76=88, Resulting Numbers: [88] 88,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 64, 40, 37, 10 ]
57
[ "64+40=104", "37+10=47", "104-47=57" ]
Current State: 57:[64, 40, 37, 10], Operations: [] Exploring Operation: 64+40=104, Resulting Numbers: [37, 10, 104] Generated Node #2: [37, 10, 104] from Operation: 64+40=104 Current State: 57:[37, 10, 104], Operations: ['64+40=104'] Exploring Operation: 37+10=47, Resulting Numbers: [104, 47] Generated Node #3: [104, 47] from Operation: 37+10=47 Current State: 57:[104, 47], Operations: ['64+40=104', '37+10=47'] Exploring Operation: 104-47=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[64, 40, 37, 10], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [64, 37, 4] Generated Node #0,0: 57:[64, 37, 4] Operation: 40/10=4 Exploring Operation: 40-37=3, Resulting Numbers: [64, 10, 3] Generated Node #0,1: 57:[64, 10, 3] Operation: 40-37=3 Moving to Node #0,1 Current State: 57:[64, 10, 3], Operations: ['40-37=3'] Exploring Operation: 64-10=54, Resulting Numbers: [3, 54] Generated Node #0,1,0: 57:[3, 54] Operation: 64-10=54 Exploring Operation: 64-3=61, Resulting Numbers: [10, 61] Generated Node #0,1,1: 57:[10, 61] Operation: 64-3=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[3, 54], Operations: ['40-37=3', '64-10=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[64, 40, 37, 10], Operations: [] Exploring Operation: 40-37=3, Resulting Numbers: [64, 10, 3] Generated Node #0,1: 57:[64, 10, 3] Operation: 40-37=3 Moving to Node #0,1 Current State: 57:[64, 10, 3], Operations: ['40-37=3'] Exploring Operation: 64-10=54, Resulting Numbers: [3, 54] Generated Node #0,1,0: 57:[3, 54] Operation: 64-10=54 Moving to Node #0,1,0 Current State: 57:[3, 54], Operations: ['40-37=3', '64-10=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 52, 93, 31, 91 ]
36
[ "91-52=39", "93/31=3", "39-3=36" ]
Current State: 36:[52, 93, 31, 91], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [93, 31, 39] Generated Node #2: [93, 31, 39] from Operation: 91-52=39 Current State: 36:[93, 31, 39], Operations: ['91-52=39'] Exploring Operation: 93/31=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 93/31=3 Current State: 36:[39, 3], Operations: ['91-52=39', '93/31=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[52, 93, 31, 91], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [93, 31, 39] Generated Node #0,0: 36:[93, 31, 39] Operation: 91-52=39 Exploring Operation: 93-91=2, Resulting Numbers: [52, 31, 2] Generated Node #0,1: 36:[52, 31, 2] Operation: 93-91=2 Exploring Operation: 93/31=3, Resulting Numbers: [52, 91, 3] Generated Node #0,2: 36:[52, 91, 3] Operation: 93/31=3 Exploring Operation: 93-52=41, Resulting Numbers: [31, 91, 41] Generated Node #0,3: 36:[31, 91, 41] Operation: 93-52=41 Moving to Node #0,1 Current State: 36:[52, 31, 2], Operations: ['93-91=2'] Exploring Operation: 52/2=26, Resulting Numbers: [31, 26] Generated Node #0,1,0: 36:[31, 26] Operation: 52/2=26 Exploring Operation: 52-2=50, Resulting Numbers: [31, 50] Generated Node #0,1,1: 36:[31, 50] Operation: 52-2=50 Exploring Operation: 31+2=33, Resulting Numbers: [52, 33] Generated Node #0,1,2: 36:[52, 33] Operation: 31+2=33 Exploring Operation: 52-31=21, Resulting Numbers: [2, 21] Generated Node #0,1,3: 36:[2, 21] Operation: 52-31=21 Moving to Node #0,3 Current State: 36:[31, 91, 41], Operations: ['93-52=41'] Exploring Operation: 91-31=60, Resulting Numbers: [41, 60] Generated Node #0,3,0: 36:[41, 60] Operation: 91-31=60 Exploring Operation: 41-31=10, Resulting Numbers: [91, 10] Generated Node #0,3,1: 36:[91, 10] Operation: 41-31=10 Exploring Operation: 91-41=50, Resulting Numbers: [31, 50] Generated Node #0,3,2: 36:[31, 50] Operation: 91-41=50 Exploring Operation: 31+91=122, Resulting Numbers: [41, 122] Generated Node #0,3,3: 36:[41, 122] Operation: 31+91=122 Moving to Node #0,0 Current State: 36:[93, 31, 39], Operations: ['91-52=39'] Exploring Operation: 93-31=62, Resulting Numbers: [39, 62] Generated Node #0,0,0: 36:[39, 62] Operation: 93-31=62 Exploring Operation: 39-31=8, Resulting Numbers: [93, 8] Generated Node #0,0,1: 36:[93, 8] Operation: 39-31=8 Exploring Operation: 93/31=3, Resulting Numbers: [39, 3] Generated Node #0,0,2: 36:[39, 3] Operation: 93/31=3 Exploring Operation: 93-39=54, Resulting Numbers: [31, 54] Generated Node #0,0,3: 36:[31, 54] Operation: 93-39=54 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[39, 3], Operations: ['91-52=39', '93/31=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,36 unequal: No Solution Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[52, 93, 31, 91], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [93, 31, 39] Generated Node #0,0: 36:[93, 31, 39] Operation: 91-52=39 Moving to Node #0,0 Current State: 36:[93, 31, 39], Operations: ['91-52=39'] Exploring Operation: 93/31=3, Resulting Numbers: [39, 3] Generated Node #0,0,2: 36:[39, 3] Operation: 93/31=3 Moving to Node #0,0,2 Current State: 36:[39, 3], Operations: ['91-52=39', '93/31=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 49, 55, 73, 12 ]
75
[ "55-49=6", "12/6=2", "73+2=75" ]
Current State: 75:[49, 55, 73, 12], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [73, 12, 6] Generated Node #2: [73, 12, 6] from Operation: 55-49=6 Current State: 75:[73, 12, 6], Operations: ['55-49=6'] Exploring Operation: 12/6=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 12/6=2 Current State: 75:[73, 2], Operations: ['55-49=6', '12/6=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[49, 55, 73, 12], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [73, 12, 6] Generated Node #0,0: 75:[73, 12, 6] Operation: 55-49=6 Moving to Node #0,0 Current State: 75:[73, 12, 6], Operations: ['55-49=6'] Exploring Operation: 12-6=6, Resulting Numbers: [73, 6] Generated Node #0,0,0: 75:[73, 6] Operation: 12-6=6 Moving to Node #0,0,0 Current State: 75:[73, 6], Operations: ['55-49=6', '12-6=6'] Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,75 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 35, 2, 27, 92 ]
88
[ "35-27=8", "8/2=4", "92-4=88" ]
Current State: 88:[35, 2, 27, 92], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [2, 92, 8] Generated Node #2: [2, 92, 8] from Operation: 35-27=8 Current State: 88:[2, 92, 8], Operations: ['35-27=8'] Exploring Operation: 8/2=4, Resulting Numbers: [92, 4] Generated Node #3: [92, 4] from Operation: 8/2=4 Current State: 88:[92, 4], Operations: ['35-27=8', '8/2=4'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[35, 2, 27, 92], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [2, 92, 8] Generated Node #0,0: 88:[2, 92, 8] Operation: 35-27=8 Exploring Operation: 27-2=25, Resulting Numbers: [35, 92, 25] Generated Node #0,1: 88:[35, 92, 25] Operation: 27-2=25 Exploring Operation: 35+2=37, Resulting Numbers: [27, 92, 37] Generated Node #0,2: 88:[27, 92, 37] Operation: 35+2=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[2, 92, 8], Operations: ['35-27=8'] Exploring Operation: 92/2=46, Resulting Numbers: [8, 46] Generated Node #0,0,0: 88:[8, 46] Operation: 92/2=46 Exploring Operation: 92-2=90, Resulting Numbers: [8, 90] Generated Node #0,0,1: 88:[8, 90] Operation: 92-2=90 Exploring Operation: 8/2=4, Resulting Numbers: [92, 4] Generated Node #0,0,2: 88:[92, 4] Operation: 8/2=4 Moving to Node #0,0,0 Current State: 88:[8, 46], Operations: ['35-27=8', '92/2=46'] Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,88 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,88 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[8, 90], Operations: ['35-27=8', '92-2=90'] Exploring Operation: 8+90=98, Resulting Numbers: [98] 98,88 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 8*90=720, Resulting Numbers: [720] 720,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[92, 4], Operations: ['35-27=8', '8/2=4'] Exploring Operation: 92+4=96, Resulting Numbers: [96] 96,88 unequal: No Solution Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[35, 2, 27, 92], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [2, 92, 8] Generated Node #0,0: 88:[2, 92, 8] Operation: 35-27=8 Moving to Node #0,0 Current State: 88:[2, 92, 8], Operations: ['35-27=8'] Exploring Operation: 8/2=4, Resulting Numbers: [92, 4] Generated Node #0,0,2: 88:[92, 4] Operation: 8/2=4 Moving to Node #0,0,2 Current State: 88:[92, 4], Operations: ['35-27=8', '8/2=4'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 33, 10, 72, 19 ]
68
[ "33-10=23", "72+19=91", "91-23=68" ]
Current State: 68:[33, 10, 72, 19], Operations: [] Exploring Operation: 33-10=23, Resulting Numbers: [72, 19, 23] Generated Node #2: [72, 19, 23] from Operation: 33-10=23 Current State: 68:[72, 19, 23], Operations: ['33-10=23'] Exploring Operation: 72+19=91, Resulting Numbers: [23, 91] Generated Node #3: [23, 91] from Operation: 72+19=91 Current State: 68:[23, 91], Operations: ['33-10=23', '72+19=91'] Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[33, 10, 72, 19], Operations: [] Exploring Operation: 72-10=62, Resulting Numbers: [33, 19, 62] Generated Node #0,0: 68:[33, 19, 62] Operation: 72-10=62 Exploring Operation: 19-10=9, Resulting Numbers: [33, 72, 9] Generated Node #0,1: 68:[33, 72, 9] Operation: 19-10=9 Exploring Operation: 33-10=23, Resulting Numbers: [72, 19, 23] Generated Node #0,2: 68:[72, 19, 23] Operation: 33-10=23 Exploring Operation: 10+19=29, Resulting Numbers: [33, 72, 29] Generated Node #0,3: 68:[33, 72, 29] Operation: 10+19=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[33, 19, 62], Operations: ['72-10=62'] Exploring Operation: 33-19=14, Resulting Numbers: [62, 14] Generated Node #0,0,0: 68:[62, 14] Operation: 33-19=14 Exploring Operation: 62-19=43, Resulting Numbers: [33, 43] Generated Node #0,0,1: 68:[33, 43] Operation: 62-19=43 Exploring Operation: 19+62=81, Resulting Numbers: [33, 81] Generated Node #0,0,2: 68:[33, 81] Operation: 19+62=81 Exploring Operation: 62-33=29, Resulting Numbers: [19, 29] Generated Node #0,0,3: 68:[19, 29] Operation: 62-33=29 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 68:[19, 29], Operations: ['72-10=62', '62-33=29'] Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,68 unequal: No Solution No 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: 68:[62, 14], Operations: ['72-10=62', '33-19=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,68 unequal: No Solution Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,68 unequal: No Solution No 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: 68:[33, 43], Operations: ['72-10=62', '62-19=43'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,68 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,68 unequal: No Solution No 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: 68:[33, 81], Operations: ['72-10=62', '19+62=81'] Exploring Operation: 33*81=2673, Resulting Numbers: [2673] 2673,68 unequal: No Solution Exploring Operation: 33+81=114, Resulting Numbers: [114] 114,68 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[33, 72, 9], Operations: ['19-10=9'] Exploring Operation: 33-9=24, Resulting Numbers: [72, 24] Generated Node #0,1,0: 68:[72, 24] Operation: 33-9=24 Exploring Operation: 72/9=8, Resulting Numbers: [33, 8] Generated Node #0,1,1: 68:[33, 8] Operation: 72/9=8 Exploring Operation: 72-9=63, Resulting Numbers: [33, 63] Generated Node #0,1,2: 68:[33, 63] Operation: 72-9=63 Exploring Operation: 72-33=39, Resulting Numbers: [9, 39] Generated Node #0,1,3: 68:[9, 39] Operation: 72-33=39 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[33, 8], Operations: ['19-10=9', '72/9=8'] Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,68 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,68 unequal: No Solution No 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: 68:[33, 63], Operations: ['19-10=9', '72-9=63'] Exploring Operation: 33+63=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 33*63=2079, Resulting Numbers: [2079] 2079,68 unequal: No Solution Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,68 unequal: No Solution No 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: 68:[9, 39], Operations: ['19-10=9', '72-33=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,68 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,68 unequal: No Solution No 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: 68:[72, 24], Operations: ['19-10=9', '33-9=24'] Exploring Operation: 72*24=1728, Resulting Numbers: [1728] 1728,68 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 72+24=96, Resulting Numbers: [96] 96,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[33, 72, 29], Operations: ['10+19=29'] Exploring Operation: 72-29=43, Resulting Numbers: [33, 43] Generated Node #0,3,0: 68:[33, 43] Operation: 72-29=43 Exploring Operation: 72-33=39, Resulting Numbers: [29, 39] Generated Node #0,3,1: 68:[29, 39] Operation: 72-33=39 Exploring Operation: 33-29=4, Resulting Numbers: [72, 4] Generated Node #0,3,2: 68:[72, 4] Operation: 33-29=4 Exploring Operation: 33+29=62, Resulting Numbers: [72, 62] Generated Node #0,3,3: 68:[72, 62] Operation: 33+29=62 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 68:[72, 4], Operations: ['10+19=29', '33-29=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[33, 10, 72, 19], Operations: [] Exploring Operation: 10+19=29, Resulting Numbers: [33, 72, 29] Generated Node #0,3: 68:[33, 72, 29] Operation: 10+19=29 Moving to Node #0,3 Current State: 68:[33, 72, 29], Operations: ['10+19=29'] Exploring Operation: 33-29=4, Resulting Numbers: [72, 4] Generated Node #0,3,2: 68:[72, 4] Operation: 33-29=4 Moving to Node #0,3,2 Current State: 68:[72, 4], Operations: ['10+19=29', '33-29=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_4
sum_heuristic
[ 33, 3, 34, 22 ]
67
[ "33/3=11", "34+22=56", "11+56=67" ]
Current State: 67:[33, 3, 34, 22], Operations: [] Exploring Operation: 33/3=11, Resulting Numbers: [34, 22, 11] Generated Node #2: [34, 22, 11] from Operation: 33/3=11 Current State: 67:[34, 22, 11], Operations: ['33/3=11'] Exploring Operation: 34+22=56, Resulting Numbers: [11, 56] Generated Node #3: [11, 56] from Operation: 34+22=56 Current State: 67:[11, 56], Operations: ['33/3=11', '34+22=56'] Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[33, 3, 34, 22], Operations: [] Exploring Operation: 33+22=55, Resulting Numbers: [3, 34, 55] Generated Node #0,0: 67:[3, 34, 55] Operation: 33+22=55 Exploring Operation: 33+34=67, Resulting Numbers: [3, 22, 67] Generated Node #0,1: 67:[3, 22, 67] Operation: 33+34=67 Exploring Operation: 3*22=66, Resulting Numbers: [33, 34, 66] Generated Node #0,2: 67:[33, 34, 66] Operation: 3*22=66 Exploring Operation: 33+3=36, Resulting Numbers: [34, 22, 36] Generated Node #0,3: 67:[34, 22, 36] Operation: 33+3=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[33, 34, 66], Operations: ['3*22=66'] Exploring Operation: 34-33=1, Resulting Numbers: [66, 1] Generated Node #0,2,0: 67:[66, 1] Operation: 34-33=1 Exploring Operation: 33+66=99, Resulting Numbers: [34, 99] Generated Node #0,2,1: 67:[34, 99] Operation: 33+66=99 Exploring Operation: 66-33=33, Resulting Numbers: [34, 33] Generated Node #0,2,2: 67:[34, 33] Operation: 66-33=33 Exploring Operation: 33+34=67, Resulting Numbers: [66, 67] Generated Node #0,2,3: 67:[66, 67] Operation: 33+34=67 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[66, 67], Operations: ['3*22=66', '33+34=67'] Exploring Operation: 66+67=133, Resulting Numbers: [133] 133,67 unequal: No Solution Exploring Operation: 66*67=4422, Resulting Numbers: [4422] 4422,67 unequal: No Solution Exploring Operation: 67-66=1, Resulting Numbers: [1] 1,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[34, 99], Operations: ['3*22=66', '33+66=99'] Exploring Operation: 34*99=3366, Resulting Numbers: [3366] 3366,67 unequal: No Solution Exploring Operation: 34+99=133, Resulting Numbers: [133] 133,67 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[66, 1], Operations: ['3*22=66', '34-33=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[33, 3, 34, 22], Operations: [] Exploring Operation: 3*22=66, Resulting Numbers: [33, 34, 66] Generated Node #0,2: 67:[33, 34, 66] Operation: 3*22=66 Moving to Node #0,2 Current State: 67:[33, 34, 66], Operations: ['3*22=66'] Exploring Operation: 34-33=1, Resulting Numbers: [66, 1] Generated Node #0,2,0: 67:[66, 1] Operation: 34-33=1 Moving to Node #0,2,0 Current State: 67:[66, 1], Operations: ['3*22=66', '34-33=1'] Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 41, 63, 86, 34 ]
77
[ "41-34=7", "63/7=9", "86-9=77" ]
Current State: 77:[41, 63, 86, 34], Operations: [] Exploring Operation: 41-34=7, Resulting Numbers: [63, 86, 7] Generated Node #2: [63, 86, 7] from Operation: 41-34=7 Current State: 77:[63, 86, 7], Operations: ['41-34=7'] Exploring Operation: 63/7=9, Resulting Numbers: [86, 9] Generated Node #3: [86, 9] from Operation: 63/7=9 Current State: 77:[86, 9], Operations: ['41-34=7', '63/7=9'] Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[41, 63, 86, 34], Operations: [] Exploring Operation: 41+34=75, Resulting Numbers: [63, 86, 75] Generated Node #0,0: 77:[63, 86, 75] Operation: 41+34=75 Exploring Operation: 41-34=7, Resulting Numbers: [63, 86, 7] Generated Node #0,1: 77:[63, 86, 7] Operation: 41-34=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[63, 86, 7], Operations: ['41-34=7'] Exploring Operation: 86-63=23, Resulting Numbers: [7, 23] Generated Node #0,1,0: 77:[7, 23] Operation: 86-63=23 Exploring Operation: 63/7=9, Resulting Numbers: [86, 9] Generated Node #0,1,1: 77:[86, 9] Operation: 63/7=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[86, 9], Operations: ['41-34=7', '63/7=9'] Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[41, 63, 86, 34], Operations: [] Exploring Operation: 41-34=7, Resulting Numbers: [63, 86, 7] Generated Node #0,1: 77:[63, 86, 7] Operation: 41-34=7 Moving to Node #0,1 Current State: 77:[63, 86, 7], Operations: ['41-34=7'] Exploring Operation: 63/7=9, Resulting Numbers: [86, 9] Generated Node #0,1,1: 77:[86, 9] Operation: 63/7=9 Moving to Node #0,1,1 Current State: 77:[86, 9], Operations: ['41-34=7', '63/7=9'] Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 21, 51, 87, 32 ]
55
[ "87*32=2784", "21+2784=2805", "2805/51=55" ]
Current State: 55:[21, 51, 87, 32], Operations: [] Exploring Operation: 87*32=2784, Resulting Numbers: [21, 51, 2784] Generated Node #2: [21, 51, 2784] from Operation: 87*32=2784 Current State: 55:[21, 51, 2784], Operations: ['87*32=2784'] Exploring Operation: 21+2784=2805, Resulting Numbers: [51, 2805] Generated Node #3: [51, 2805] from Operation: 21+2784=2805 Current State: 55:[51, 2805], Operations: ['87*32=2784', '21+2784=2805'] Exploring Operation: 2805/51=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[21, 51, 87, 32], Operations: [] Exploring Operation: 87-32=55, Resulting Numbers: [21, 51, 55] Generated Node #0,0: 55:[21, 51, 55] Operation: 87-32=55 Exploring Operation: 87-21=66, Resulting Numbers: [51, 32, 66] Generated Node #0,1: 55:[51, 32, 66] Operation: 87-21=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[21, 51, 55], Operations: ['87-32=55'] Exploring Operation: 55-51=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 55:[21, 4] Operation: 55-51=4 Exploring Operation: 21+51=72, Resulting Numbers: [55, 72] Generated Node #0,0,1: 55:[55, 72] Operation: 21+51=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[21, 4], Operations: ['87-32=55', '55-51=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,55 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 #0,0,1 Current State: 55:[55, 72], Operations: ['87-32=55', '21+51=72'] Exploring Operation: 55+72=127, Resulting Numbers: [127] 127,55 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,55 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: 55:[51, 32, 66], Operations: ['87-21=66'] Exploring Operation: 51-32=19, Resulting Numbers: [66, 19] Generated Node #0,1,0: 55:[66, 19] Operation: 51-32=19 Exploring Operation: 66-51=15, Resulting Numbers: [32, 15] Generated Node #0,1,1: 55:[32, 15] Operation: 66-51=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[66, 19], Operations: ['87-21=66', '51-32=19'] Exploring Operation: 66+19=85, Resulting Numbers: [85] 85,55 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,55 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 #0,1,1 Current State: 55:[32, 15], Operations: ['87-21=66', '66-51=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,55 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
[ 18, 23, 20, 16 ]
15
[ "20-18=2", "16/2=8", "23-8=15" ]
Current State: 15:[18, 23, 20, 16], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [23, 16, 2] Generated Node #2: [23, 16, 2] from Operation: 20-18=2 Current State: 15:[23, 16, 2], Operations: ['20-18=2'] Exploring Operation: 16/2=8, Resulting Numbers: [23, 8] Generated Node #3: [23, 8] from Operation: 16/2=8 Current State: 15:[23, 8], Operations: ['20-18=2', '16/2=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[18, 23, 20, 16], Operations: [] Exploring Operation: 23-18=5, Resulting Numbers: [20, 16, 5] Generated Node #0,0: 15:[20, 16, 5] Operation: 23-18=5 Exploring Operation: 20-18=2, Resulting Numbers: [23, 16, 2] Generated Node #0,1: 15:[23, 16, 2] Operation: 20-18=2 Exploring Operation: 20-16=4, Resulting Numbers: [18, 23, 4] Generated Node #0,2: 15:[18, 23, 4] Operation: 20-16=4 Exploring Operation: 23-16=7, Resulting Numbers: [18, 20, 7] Generated Node #0,3: 15:[18, 20, 7] Operation: 23-16=7 Exploring Operation: 23-20=3, Resulting Numbers: [18, 16, 3] Generated Node #0,4: 15:[18, 16, 3] Operation: 23-20=3 Moving to Node #0,4 Current State: 15:[18, 16, 3], Operations: ['23-20=3'] Exploring Operation: 18-3=15, Resulting Numbers: [16, 15] Generated Node #0,4,0: 15:[16, 15] Operation: 18-3=15 Exploring Operation: 18+3=21, Resulting Numbers: [16, 21] Generated Node #0,4,1: 15:[16, 21] Operation: 18+3=21 Exploring Operation: 18-16=2, Resulting Numbers: [3, 2] Generated Node #0,4,2: 15:[3, 2] Operation: 18-16=2 Exploring Operation: 16-3=13, Resulting Numbers: [18, 13] Generated Node #0,4,3: 15:[18, 13] Operation: 16-3=13 Exploring Operation: 18/3=6, Resulting Numbers: [16, 6] Generated Node #0,4,4: 15:[16, 6] Operation: 18/3=6 Moving to Node #0,0 Current State: 15:[20, 16, 5], Operations: ['23-18=5'] Exploring Operation: 20-5=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 15:[16, 15] Operation: 20-5=15 Exploring Operation: 16-5=11, Resulting Numbers: [20, 11] Generated Node #0,0,1: 15:[20, 11] Operation: 16-5=11 Exploring Operation: 20+5=25, Resulting Numbers: [16, 25] Generated Node #0,0,2: 15:[16, 25] Operation: 20+5=25 Exploring Operation: 20/5=4, Resulting Numbers: [16, 4] Generated Node #0,0,3: 15:[16, 4] Operation: 20/5=4 Exploring Operation: 20-16=4, Resulting Numbers: [5, 4] Generated Node #0,0,4: 15:[5, 4] Operation: 20-16=4 Moving to Node #0,1 Current State: 15:[23, 16, 2], Operations: ['20-18=2'] Exploring Operation: 23-16=7, Resulting Numbers: [2, 7] Generated Node #0,1,0: 15:[2, 7] Operation: 23-16=7 Exploring Operation: 23-2=21, Resulting Numbers: [16, 21] Generated Node #0,1,1: 15:[16, 21] Operation: 23-2=21 Exploring Operation: 23+2=25, Resulting Numbers: [16, 25] Generated Node #0,1,2: 15:[16, 25] Operation: 23+2=25 Exploring Operation: 16+2=18, Resulting Numbers: [23, 18] Generated Node #0,1,3: 15:[23, 18] Operation: 16+2=18 Exploring Operation: 16-2=14, Resulting Numbers: [23, 14] Generated Node #0,1,4: 15:[23, 14] Operation: 16-2=14 Moving to Node #0,3 Current State: 15:[18, 20, 7], Operations: ['23-16=7'] Exploring Operation: 18+7=25, Resulting Numbers: [20, 25] Generated Node #0,3,0: 15:[20, 25] Operation: 18+7=25 Exploring Operation: 20-18=2, Resulting Numbers: [7, 2] Generated Node #0,3,1: 15:[7, 2] Operation: 20-18=2 Exploring Operation: 20+7=27, Resulting Numbers: [18, 27] Generated Node #0,3,2: 15:[18, 27] Operation: 20+7=27 Exploring Operation: 18-7=11, Resulting Numbers: [20, 11] Generated Node #0,3,3: 15:[20, 11] Operation: 18-7=11 Exploring Operation: 20-7=13, Resulting Numbers: [18, 13] Generated Node #0,3,4: 15:[18, 13] Operation: 20-7=13 Moving to Node #0,2 Current State: 15:[18, 23, 4], Operations: ['20-16=4'] Exploring Operation: 23+4=27, Resulting Numbers: [18, 27] Generated Node #0,2,0: 15:[18, 27] Operation: 23+4=27 Exploring Operation: 18+4=22, Resulting Numbers: [23, 22] Generated Node #0,2,1: 15:[23, 22] Operation: 18+4=22 Exploring Operation: 18-4=14, Resulting Numbers: [23, 14] Generated Node #0,2,2: 15:[23, 14] Operation: 18-4=14 Exploring Operation: 23-18=5, Resulting Numbers: [4, 5] Generated Node #0,2,3: 15:[4, 5] Operation: 23-18=5 Exploring Operation: 23-4=19, Resulting Numbers: [18, 19] Generated Node #0,2,4: 15:[18, 19] Operation: 23-4=19 Moving to Node #0,4,0 Current State: 15:[16, 15], Operations: ['23-20=3', '18-3=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,15 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[16, 15], Operations: ['23-18=5', '20-5=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,15 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,15 unequal: No Solution Moving to Node #0,0,4 Current State: 15:[5, 4], Operations: ['23-18=5', '20-16=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,4,2 Current State: 15:[3, 2], Operations: ['23-20=3', '18-16=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,2,3 Current State: 15:[4, 5], Operations: ['20-16=4', '23-18=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,4,4 Current State: 15:[16, 6], Operations: ['23-20=3', '18/3=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,15 unequal: No Solution Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[16, 4], Operations: ['23-18=5', '20/5=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,15 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[2, 7], Operations: ['20-18=2', '23-16=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[7, 2], Operations: ['23-16=7', '20-18=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,3,4 Current State: 15:[18, 13], Operations: ['23-16=7', '20-7=13'] Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,15 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,15 unequal: No Solution Moving to Node #0,4,3 Current State: 15:[18, 13], Operations: ['23-20=3', '16-3=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,15 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[16, 21], Operations: ['20-18=2', '23-2=21'] Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,15 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,15 unequal: No Solution Moving to Node #0,4,1 Current State: 15:[16, 21], Operations: ['23-20=3', '18+3=21'] Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,15 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,2,4 Current State: 15:[18, 19], Operations: ['20-16=4', '23-4=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,15 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,1,4 Current State: 15:[23, 14], Operations: ['20-18=2', '16-2=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,15 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[23, 14], Operations: ['20-16=4', '18-4=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,15 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[20, 11], Operations: ['23-18=5', '16-5=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,15 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[20, 11], Operations: ['23-16=7', '18-7=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[23, 18], Operations: ['20-18=2', '16+2=18'] Exploring Operation: 23*18=414, Resulting Numbers: [414] 414,15 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[16, 25], Operations: ['23-18=5', '20+5=25'] Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,15 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[16, 25], Operations: ['20-18=2', '23+2=25'] Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,15 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[20, 25], Operations: ['23-16=7', '18+7=25'] Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[18, 27], Operations: ['20-16=4', '23+4=27'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,15 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[18, 27], Operations: ['23-16=7', '20+7=27'] Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,15 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[23, 22], Operations: ['20-16=4', '18+4=22'] Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,15 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,15 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 83, 44, 10, 96 ]
41
[ "83+44=127", "96-10=86", "127-86=41" ]
Current State: 41:[83, 44, 10, 96], Operations: [] Exploring Operation: 83+44=127, Resulting Numbers: [10, 96, 127] Generated Node #2: [10, 96, 127] from Operation: 83+44=127 Current State: 41:[10, 96, 127], Operations: ['83+44=127'] Exploring Operation: 96-10=86, Resulting Numbers: [127, 86] Generated Node #3: [127, 86] from Operation: 96-10=86 Current State: 41:[127, 86], Operations: ['83+44=127', '96-10=86'] Exploring Operation: 127-86=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[83, 44, 10, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [44, 10, 13] Generated Node #0,0: 41:[44, 10, 13] Operation: 96-83=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[44, 10, 13], Operations: ['96-83=13'] Exploring Operation: 10+13=23, Resulting Numbers: [44, 23] Generated Node #0,0,0: 41:[44, 23] Operation: 10+13=23 Moving to Node #0,0,0 Current State: 41:[44, 23], Operations: ['96-83=13', '10+13=23'] Exploring Operation: 44-23=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_1
sum_heuristic
[ 7, 92, 8, 13 ]
89
[ "8+13=21", "21/7=3", "92-3=89" ]
Current State: 89:[7, 92, 8, 13], Operations: [] Exploring Operation: 8+13=21, Resulting Numbers: [7, 92, 21] Generated Node #2: [7, 92, 21] from Operation: 8+13=21 Current State: 89:[7, 92, 21], Operations: ['8+13=21'] Exploring Operation: 21/7=3, Resulting Numbers: [92, 3] Generated Node #3: [92, 3] from Operation: 21/7=3 Current State: 89:[92, 3], Operations: ['8+13=21', '21/7=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[7, 92, 8, 13], Operations: [] Exploring Operation: 7*8=56, Resulting Numbers: [92, 13, 56] Generated Node #0,0: 89:[92, 13, 56] Operation: 7*8=56 Exploring Operation: 7*13=91, Resulting Numbers: [92, 8, 91] Generated Node #0,1: 89:[92, 8, 91] Operation: 7*13=91 Exploring Operation: 8*13=104, Resulting Numbers: [7, 92, 104] Generated Node #0,2: 89:[7, 92, 104] Operation: 8*13=104 Moving to Node #0,1 Current State: 89:[92, 8, 91], Operations: ['7*13=91'] Exploring Operation: 91-8=83, Resulting Numbers: [92, 83] Generated Node #0,1,0: 89:[92, 83] Operation: 91-8=83 Exploring Operation: 92+8=100, Resulting Numbers: [91, 100] Generated Node #0,1,1: 89:[91, 100] Operation: 92+8=100 Exploring Operation: 92-8=84, Resulting Numbers: [91, 84] Generated Node #0,1,2: 89:[91, 84] Operation: 92-8=84 Moving to Node #0,2 Current State: 89:[7, 92, 104], Operations: ['8*13=104'] Exploring Operation: 7+92=99, Resulting Numbers: [104, 99] Generated Node #0,2,0: 89:[104, 99] Operation: 7+92=99 Exploring Operation: 92-7=85, Resulting Numbers: [104, 85] Generated Node #0,2,1: 89:[104, 85] Operation: 92-7=85 Exploring Operation: 104-7=97, Resulting Numbers: [92, 97] Generated Node #0,2,2: 89:[92, 97] Operation: 104-7=97 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[92, 97], Operations: ['8*13=104', '104-7=97'] Exploring Operation: 97-92=5, Resulting Numbers: [5] 5,89 unequal: No Solution Exploring Operation: 92*97=8924, Resulting Numbers: [8924] 8924,89 unequal: No Solution Exploring Operation: 92+97=189, Resulting Numbers: [189] 189,89 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 #0,2,1 Current State: 89:[104, 85], Operations: ['8*13=104', '92-7=85'] Exploring Operation: 104+85=189, Resulting Numbers: [189] 189,89 unequal: No Solution Exploring Operation: 104*85=8840, Resulting Numbers: [8840] 8840,89 unequal: No Solution Exploring Operation: 104-85=19, Resulting Numbers: [19] 19,89 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 #0,2,0 Current State: 89:[104, 99], Operations: ['8*13=104', '7+92=99'] Exploring Operation: 104*99=10296, Resulting Numbers: [10296] 10296,89 unequal: No Solution Exploring Operation: 104-99=5, Resulting Numbers: [5] 5,89 unequal: No Solution Exploring Operation: 104+99=203, Resulting Numbers: [203] 203,89 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: 89:[92, 13, 56], Operations: ['7*8=56'] Exploring Operation: 92+13=105, Resulting Numbers: [56, 105] Generated Node #0,0,0: 89:[56, 105] Operation: 92+13=105 Exploring Operation: 13+56=69, Resulting Numbers: [92, 69] Generated Node #0,0,1: 89:[92, 69] Operation: 13+56=69 Exploring Operation: 92-13=79, Resulting Numbers: [56, 79] Generated Node #0,0,2: 89:[56, 79] Operation: 92-13=79 Moving to Node #0,1,2 Current State: 89:[91, 84], Operations: ['7*13=91', '92-8=84'] Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 91*84=7644, Resulting Numbers: [7644] 7644,89 unequal: No Solution Exploring Operation: 91+84=175, Resulting Numbers: [175] 175,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[92, 83], Operations: ['7*13=91', '91-8=83'] Exploring Operation: 92+83=175, Resulting Numbers: [175] 175,89 unequal: No Solution Exploring Operation: 92*83=7636, Resulting Numbers: [7636] 7636,89 unequal: No Solution Exploring Operation: 92-83=9, Resulting Numbers: [9] 9,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[91, 100], Operations: ['7*13=91', '92+8=100'] Exploring Operation: 91*100=9100, Resulting Numbers: [9100] 9100,89 unequal: No Solution Exploring Operation: 100-91=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 91+100=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[92, 69], Operations: ['7*8=56', '13+56=69'] Exploring Operation: 92-69=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 92+69=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 92*69=6348, Resulting Numbers: [6348] 6348,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[56, 79], Operations: ['7*8=56', '92-13=79'] Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,89 unequal: No Solution Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[56, 105], Operations: ['7*8=56', '92+13=105'] Exploring Operation: 56*105=5880, Resulting Numbers: [5880] 5880,89 unequal: No Solution Exploring Operation: 105-56=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 56+105=161, Resulting Numbers: [161] 161,89 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 41, 95, 51, 78 ]
75
[ "95-41=54", "51+78=129", "129-54=75" ]
Current State: 75:[41, 95, 51, 78], Operations: [] Exploring Operation: 95-41=54, Resulting Numbers: [51, 78, 54] Generated Node #2: [51, 78, 54] from Operation: 95-41=54 Current State: 75:[51, 78, 54], Operations: ['95-41=54'] Exploring Operation: 51+78=129, Resulting Numbers: [54, 129] Generated Node #3: [54, 129] from Operation: 51+78=129 Current State: 75:[54, 129], Operations: ['95-41=54', '51+78=129'] Exploring Operation: 129-54=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[41, 95, 51, 78], Operations: [] Exploring Operation: 41+51=92, Resulting Numbers: [95, 78, 92] Generated Node #0,0: 75:[95, 78, 92] Operation: 41+51=92 Exploring Operation: 95-51=44, Resulting Numbers: [41, 78, 44] Generated Node #0,1: 75:[41, 78, 44] Operation: 95-51=44 Exploring Operation: 78-51=27, Resulting Numbers: [41, 95, 27] Generated Node #0,2: 75:[41, 95, 27] Operation: 78-51=27 Exploring Operation: 51-41=10, Resulting Numbers: [95, 78, 10] Generated Node #0,3: 75:[95, 78, 10] Operation: 51-41=10 Moving to Node #0,3 Current State: 75:[95, 78, 10], Operations: ['51-41=10'] Exploring Operation: 95-78=17, Resulting Numbers: [10, 17] Generated Node #0,3,0: 75:[10, 17] Operation: 95-78=17 Exploring Operation: 95-10=85, Resulting Numbers: [78, 85] Generated Node #0,3,1: 75:[78, 85] Operation: 95-10=85 Exploring Operation: 78-10=68, Resulting Numbers: [95, 68] Generated Node #0,3,2: 75:[95, 68] Operation: 78-10=68 Exploring Operation: 95+10=105, Resulting Numbers: [78, 105] Generated Node #0,3,3: 75:[78, 105] Operation: 95+10=105 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[10, 17], Operations: ['51-41=10', '95-78=17'] Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,75 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:[78, 85], Operations: ['51-41=10', '95-10=85'] Exploring Operation: 78+85=163, Resulting Numbers: [163] 163,75 unequal: No Solution Exploring Operation: 78*85=6630, Resulting Numbers: [6630] 6630,75 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,75 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:[95, 68], Operations: ['51-41=10', '78-10=68'] Exploring Operation: 95*68=6460, Resulting Numbers: [6460] 6460,75 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 95+68=163, Resulting Numbers: [163] 163,75 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:[78, 105], Operations: ['51-41=10', '95+10=105'] Exploring Operation: 78*105=8190, Resulting Numbers: [8190] 8190,75 unequal: No Solution Exploring Operation: 78+105=183, Resulting Numbers: [183] 183,75 unequal: No Solution Exploring Operation: 105-78=27, Resulting Numbers: [27] 27,75 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:[41, 95, 27], Operations: ['78-51=27'] Exploring Operation: 41-27=14, Resulting Numbers: [95, 14] Generated Node #0,2,0: 75:[95, 14] Operation: 41-27=14 Exploring Operation: 95-27=68, Resulting Numbers: [41, 68] Generated Node #0,2,1: 75:[41, 68] Operation: 95-27=68 Exploring Operation: 41+27=68, Resulting Numbers: [95, 68] Generated Node #0,2,2: 75:[95, 68] Operation: 41+27=68 Exploring Operation: 95-41=54, Resulting Numbers: [27, 54] Generated Node #0,2,3: 75:[27, 54] Operation: 95-41=54 Moving to Node #0,1 Current State: 75:[41, 78, 44], Operations: ['95-51=44'] Exploring Operation: 78-41=37, Resulting Numbers: [44, 37] Generated Node #0,1,0: 75:[44, 37] Operation: 78-41=37 Exploring Operation: 78-44=34, Resulting Numbers: [41, 34] Generated Node #0,1,1: 75:[41, 34] Operation: 78-44=34 Exploring Operation: 44-41=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 75:[78, 3] Operation: 44-41=3 Exploring Operation: 41+44=85, Resulting Numbers: [78, 85] Generated Node #0,1,3: 75:[78, 85] Operation: 41+44=85 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[78, 3], Operations: ['95-51=44', '44-41=3'] Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,75 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,75 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[41, 95, 51, 78], Operations: [] Exploring Operation: 95-51=44, Resulting Numbers: [41, 78, 44] Generated Node #0,1: 75:[41, 78, 44] Operation: 95-51=44 Moving to Node #0,1 Current State: 75:[41, 78, 44], Operations: ['95-51=44'] Exploring Operation: 44-41=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 75:[78, 3] Operation: 44-41=3 Moving to Node #0,1,2 Current State: 75:[78, 3], Operations: ['95-51=44', '44-41=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 99, 84, 27, 14 ]
28
[ "99-84=15", "27-14=13", "15+13=28" ]
Current State: 28:[99, 84, 27, 14], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [27, 14, 15] Generated Node #2: [27, 14, 15] from Operation: 99-84=15 Current State: 28:[27, 14, 15], Operations: ['99-84=15'] Exploring Operation: 27-14=13, Resulting Numbers: [15, 13] Generated Node #3: [15, 13] from Operation: 27-14=13 Current State: 28:[15, 13], Operations: ['99-84=15', '27-14=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[99, 84, 27, 14], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [99, 27, 6] Generated Node #0,0: 28:[99, 27, 6] Operation: 84/14=6 Exploring Operation: 99-27=72, Resulting Numbers: [84, 14, 72] Generated Node #0,1: 28:[84, 14, 72] Operation: 99-27=72 Exploring Operation: 99-84=15, Resulting Numbers: [27, 14, 15] Generated Node #0,2: 28:[27, 14, 15] Operation: 99-84=15 Moving to Node #0,2 Current State: 28:[27, 14, 15], Operations: ['99-84=15'] Exploring Operation: 27-15=12, Resulting Numbers: [14, 12] Generated Node #0,2,0: 28:[14, 12] Operation: 27-15=12 Exploring Operation: 14+15=29, Resulting Numbers: [27, 29] Generated Node #0,2,1: 28:[27, 29] Operation: 14+15=29 Exploring Operation: 27-14=13, Resulting Numbers: [15, 13] Generated Node #0,2,2: 28:[15, 13] Operation: 27-14=13 Moving to Node #0,0 Current State: 28:[99, 27, 6], Operations: ['84/14=6'] Exploring Operation: 99-6=93, Resulting Numbers: [27, 93] Generated Node #0,0,0: 28:[27, 93] Operation: 99-6=93 Exploring Operation: 27+6=33, Resulting Numbers: [99, 33] Generated Node #0,0,1: 28:[99, 33] Operation: 27+6=33 Exploring Operation: 99-27=72, Resulting Numbers: [6, 72] Generated Node #0,0,2: 28:[6, 72] Operation: 99-27=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[6, 72], Operations: ['84/14=6', '99-27=72'] Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,28 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[27, 93], Operations: ['84/14=6', '99-6=93'] Exploring Operation: 27*93=2511, Resulting Numbers: [2511] 2511,28 unequal: No Solution Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,28 unequal: No Solution Exploring Operation: 27+93=120, Resulting Numbers: [120] 120,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[99, 33], Operations: ['84/14=6', '27+6=33'] Exploring Operation: 99/33=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 99+33=132, Resulting Numbers: [132] 132,28 unequal: No Solution Exploring Operation: 99-33=66, Resulting Numbers: [66] 66,28 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: 28:[84, 14, 72], Operations: ['99-27=72'] Exploring Operation: 84-72=12, Resulting Numbers: [14, 12] Generated Node #0,1,0: 28:[14, 12] Operation: 84-72=12 Exploring Operation: 84-14=70, Resulting Numbers: [72, 70] Generated Node #0,1,1: 28:[72, 70] Operation: 84-14=70 Exploring Operation: 84/14=6, Resulting Numbers: [72, 6] Generated Node #0,1,2: 28:[72, 6] Operation: 84/14=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[14, 12], Operations: ['99-27=72', '84-72=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[72, 6], Operations: ['99-27=72', '84/14=6'] Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,28 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,28 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[72, 70], Operations: ['99-27=72', '84-14=70'] Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,28 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 28:[14, 12], Operations: ['99-84=15', '27-15=12'] Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,28 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[27, 29], Operations: ['99-84=15', '14+15=29'] Exploring Operation: 27*29=783, Resulting Numbers: [783] 783,28 unequal: No Solution Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[15, 13], Operations: ['99-84=15', '27-14=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[99, 84, 27, 14], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [27, 14, 15] Generated Node #0,2: 28:[27, 14, 15] Operation: 99-84=15 Moving to Node #0,2 Current State: 28:[27, 14, 15], Operations: ['99-84=15'] Exploring Operation: 27-14=13, Resulting Numbers: [15, 13] Generated Node #0,2,2: 28:[15, 13] Operation: 27-14=13 Moving to Node #0,2,2 Current State: 28:[15, 13], Operations: ['99-84=15', '27-14=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 62, 60, 35, 60 ]
96
[ "62+35=97", "60/60=1", "97-1=96" ]
Current State: 96:[62, 60, 35, 60], Operations: [] Exploring Operation: 62+35=97, Resulting Numbers: [60, 60, 97] Generated Node #2: [60, 60, 97] from Operation: 62+35=97 Current State: 96:[60, 60, 97], Operations: ['62+35=97'] Exploring Operation: 60/60=1, Resulting Numbers: [97, 1] Generated Node #3: [97, 1] from Operation: 60/60=1 Current State: 96:[97, 1], Operations: ['62+35=97', '60/60=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[62, 60, 35, 60], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [35, 60, 2] Generated Node #0,0: 96:[35, 60, 2] Operation: 62-60=2 Exploring Operation: 62-60=2, Resulting Numbers: [60, 35, 2] Generated Node #0,1: 96:[60, 35, 2] Operation: 62-60=2 Exploring Operation: 60/60=1, Resulting Numbers: [62, 35, 1] Generated Node #0,2: 96:[62, 35, 1] Operation: 60/60=1 Moving to Node #0,0 Current State: 96:[35, 60, 2], Operations: ['62-60=2'] Exploring Operation: 60-35=25, Resulting Numbers: [2, 25] Generated Node #0,0,0: 96:[2, 25] Operation: 60-35=25 Exploring Operation: 60/2=30, Resulting Numbers: [35, 30] Generated Node #0,0,1: 96:[35, 30] Operation: 60/2=30 Exploring Operation: 35+60=95, Resulting Numbers: [2, 95] Generated Node #0,0,2: 96:[2, 95] Operation: 35+60=95 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[2, 25], Operations: ['62-60=2', '60-35=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[2, 95], Operations: ['62-60=2', '35+60=95'] Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 2*95=190, Resulting Numbers: [190] 190,96 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[35, 30], Operations: ['62-60=2', '60/2=30'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,96 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,96 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: 96:[60, 35, 2], Operations: ['62-60=2'] Exploring Operation: 60/2=30, Resulting Numbers: [35, 30] Generated Node #0,1,0: 96:[35, 30] Operation: 60/2=30 Exploring Operation: 60+35=95, Resulting Numbers: [2, 95] Generated Node #0,1,1: 96:[2, 95] Operation: 60+35=95 Exploring Operation: 60-35=25, Resulting Numbers: [2, 25] Generated Node #0,1,2: 96:[2, 25] Operation: 60-35=25 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[2, 95], Operations: ['62-60=2', '60+35=95'] Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 2*95=190, Resulting Numbers: [190] 190,96 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[2, 25], Operations: ['62-60=2', '60-35=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[35, 30], Operations: ['62-60=2', '60/2=30'] Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,96 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 96:[62, 35, 1], Operations: ['60/60=1'] Exploring Operation: 62-1=61, Resulting Numbers: [35, 61] Generated Node #0,2,0: 96:[35, 61] Operation: 62-1=61 Exploring Operation: 62-35=27, Resulting Numbers: [1, 27] Generated Node #0,2,1: 96:[1, 27] Operation: 62-35=27 Exploring Operation: 62+35=97, Resulting Numbers: [1, 97] Generated Node #0,2,2: 96:[1, 97] Operation: 62+35=97 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[1, 97], Operations: ['60/60=1', '62+35=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[62, 60, 35, 60], Operations: [] Exploring Operation: 60/60=1, Resulting Numbers: [62, 35, 1] Generated Node #0,2: 96:[62, 35, 1] Operation: 60/60=1 Moving to Node #0,2 Current State: 96:[62, 35, 1], Operations: ['60/60=1'] Exploring Operation: 62+35=97, Resulting Numbers: [1, 97] Generated Node #0,2,2: 96:[1, 97] Operation: 62+35=97 Moving to Node #0,2,2 Current State: 96:[1, 97], Operations: ['60/60=1', '62+35=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 9, 39, 61, 69 ]
39
[ "9+61=70", "70-69=1", "39*1=39" ]
Current State: 39:[9, 39, 61, 69], Operations: [] Exploring Operation: 9+61=70, Resulting Numbers: [39, 69, 70] Generated Node #2: [39, 69, 70] from Operation: 9+61=70 Current State: 39:[39, 69, 70], Operations: ['9+61=70'] Exploring Operation: 70-69=1, Resulting Numbers: [39, 1] Generated Node #3: [39, 1] from Operation: 70-69=1 Current State: 39:[39, 1], Operations: ['9+61=70', '70-69=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[9, 39, 61, 69], Operations: [] Exploring Operation: 69-39=30, Resulting Numbers: [9, 61, 30] Generated Node #0,0: 39:[9, 61, 30] Operation: 69-39=30 Exploring Operation: 69-61=8, Resulting Numbers: [9, 39, 8] Generated Node #0,1: 39:[9, 39, 8] Operation: 69-61=8 Moving to Node #0,1 Current State: 39:[9, 39, 8], Operations: ['69-61=8'] Exploring Operation: 9+8=17, Resulting Numbers: [39, 17] Generated Node #0,1,0: 39:[39, 17] Operation: 9+8=17 Exploring Operation: 9-8=1, Resulting Numbers: [39, 1] Generated Node #0,1,1: 39:[39, 1] Operation: 9-8=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[39, 1], Operations: ['69-61=8', '9-8=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[9, 39, 61, 69], Operations: [] Exploring Operation: 69-61=8, Resulting Numbers: [9, 39, 8] Generated Node #0,1: 39:[9, 39, 8] Operation: 69-61=8 Moving to Node #0,1 Current State: 39:[9, 39, 8], Operations: ['69-61=8'] Exploring Operation: 9-8=1, Resulting Numbers: [39, 1] Generated Node #0,1,1: 39:[39, 1] Operation: 9-8=1 Moving to Node #0,1,1 Current State: 39:[39, 1], Operations: ['69-61=8', '9-8=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 89, 95, 40, 10 ]
56
[ "95-89=6", "40+10=50", "6+50=56" ]
Current State: 56:[89, 95, 40, 10], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [40, 10, 6] Generated Node #2: [40, 10, 6] from Operation: 95-89=6 Current State: 56:[40, 10, 6], Operations: ['95-89=6'] Exploring Operation: 40+10=50, Resulting Numbers: [6, 50] Generated Node #3: [6, 50] from Operation: 40+10=50 Current State: 56:[6, 50], Operations: ['95-89=6', '40+10=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[89, 95, 40, 10], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [89, 95, 4] Generated Node #0,0: 56:[89, 95, 4] Operation: 40/10=4 Exploring Operation: 95-40=55, Resulting Numbers: [89, 10, 55] Generated Node #0,1: 56:[89, 10, 55] Operation: 95-40=55 Exploring Operation: 95-89=6, Resulting Numbers: [40, 10, 6] Generated Node #0,2: 56:[40, 10, 6] Operation: 95-89=6 Exploring Operation: 89-40=49, Resulting Numbers: [95, 10, 49] Generated Node #0,3: 56:[95, 10, 49] Operation: 89-40=49 Moving to Node #0,2 Current State: 56:[40, 10, 6], Operations: ['95-89=6'] Exploring Operation: 40/10=4, Resulting Numbers: [6, 4] Generated Node #0,2,0: 56:[6, 4] Operation: 40/10=4 Exploring Operation: 40-6=34, Resulting Numbers: [10, 34] Generated Node #0,2,1: 56:[10, 34] Operation: 40-6=34 Exploring Operation: 40+10=50, Resulting Numbers: [6, 50] Generated Node #0,2,2: 56:[6, 50] Operation: 40+10=50 Exploring Operation: 40-10=30, Resulting Numbers: [6, 30] Generated Node #0,2,3: 56:[6, 30] Operation: 40-10=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[6, 4], Operations: ['95-89=6', '40/10=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 56:[6, 30], Operations: ['95-89=6', '40-10=30'] Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,56 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[6, 50], Operations: ['95-89=6', '40+10=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[89, 95, 40, 10], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [40, 10, 6] Generated Node #0,2: 56:[40, 10, 6] Operation: 95-89=6 Moving to Node #0,2 Current State: 56:[40, 10, 6], Operations: ['95-89=6'] Exploring Operation: 40+10=50, Resulting Numbers: [6, 50] Generated Node #0,2,2: 56:[6, 50] Operation: 40+10=50 Moving to Node #0,2,2 Current State: 56:[6, 50], Operations: ['95-89=6', '40+10=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 80, 1, 25, 93 ]
11
[ "80-1=79", "93-25=68", "79-68=11" ]
Current State: 11:[80, 1, 25, 93], Operations: [] Exploring Operation: 80-1=79, Resulting Numbers: [25, 93, 79] Generated Node #2: [25, 93, 79] from Operation: 80-1=79 Current State: 11:[25, 93, 79], Operations: ['80-1=79'] Exploring Operation: 93-25=68, Resulting Numbers: [79, 68] Generated Node #3: [79, 68] from Operation: 93-25=68 Current State: 11:[79, 68], Operations: ['80-1=79', '93-25=68'] Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[80, 1, 25, 93], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [1, 25, 13] Generated Node #0,0: 11:[1, 25, 13] Operation: 93-80=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[1, 25, 13], Operations: ['93-80=13'] Exploring Operation: 25-13=12, Resulting Numbers: [1, 12] Generated Node #0,0,0: 11:[1, 12] Operation: 25-13=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[1, 12], Operations: ['93-80=13', '25-13=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[80, 1, 25, 93], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [1, 25, 13] Generated Node #0,0: 11:[1, 25, 13] Operation: 93-80=13 Moving to Node #0,0 Current State: 11:[1, 25, 13], Operations: ['93-80=13'] Exploring Operation: 25-13=12, Resulting Numbers: [1, 12] Generated Node #0,0,0: 11:[1, 12] Operation: 25-13=12 Moving to Node #0,0,0 Current State: 11:[1, 12], Operations: ['93-80=13', '25-13=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 77, 16, 93, 96 ]
31
[ "77+16=93", "96-93=3", "93/3=31" ]
Current State: 31:[77, 16, 93, 96], Operations: [] Exploring Operation: 77+16=93, Resulting Numbers: [93, 96, 93] Generated Node #2: [93, 96, 93] from Operation: 77+16=93 Current State: 31:[93, 96, 93], Operations: ['77+16=93'] Exploring Operation: 96-93=3, Resulting Numbers: [3] 3,31 equal: Goal Reached Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[77, 16, 93, 96], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [16, 93, 19] Generated Node #0,0: 31:[16, 93, 19] Operation: 96-77=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[16, 93, 19], Operations: ['96-77=19'] Exploring Operation: 93-16=77, Resulting Numbers: [19, 77] Generated Node #0,0,0: 31:[19, 77] Operation: 93-16=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[19, 77], Operations: ['96-77=19', '93-16=77'] Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,31 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
[ 51, 61, 89, 15 ]
41
[ "61+89=150", "150/15=10", "51-10=41" ]
Current State: 41:[51, 61, 89, 15], Operations: [] Exploring Operation: 61+89=150, Resulting Numbers: [51, 15, 150] Generated Node #2: [51, 15, 150] from Operation: 61+89=150 Current State: 41:[51, 15, 150], Operations: ['61+89=150'] Exploring Operation: 150/15=10, Resulting Numbers: [51, 10] Generated Node #3: [51, 10] from Operation: 150/15=10 Current State: 41:[51, 10], Operations: ['61+89=150', '150/15=10'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[51, 61, 89, 15], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [51, 15, 28] Generated Node #0,0: 41:[51, 15, 28] Operation: 89-61=28 Exploring Operation: 89-51=38, Resulting Numbers: [61, 15, 38] Generated Node #0,1: 41:[61, 15, 38] Operation: 89-51=38 Moving to Node #0,0 Current State: 41:[51, 15, 28], Operations: ['89-61=28'] Exploring Operation: 15+28=43, Resulting Numbers: [51, 43] Generated Node #0,0,0: 41:[51, 43] Operation: 15+28=43 Exploring Operation: 51-15=36, Resulting Numbers: [28, 36] Generated Node #0,0,1: 41:[28, 36] Operation: 51-15=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[51, 43], Operations: ['89-61=28', '15+28=43'] Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,41 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 #0,0,1 Current State: 41:[28, 36], Operations: ['89-61=28', '51-15=36'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 41:[61, 15, 38], Operations: ['89-51=38'] Exploring Operation: 15+38=53, Resulting Numbers: [61, 53] Generated Node #0,1,0: 41:[61, 53] Operation: 15+38=53 Exploring Operation: 61-15=46, Resulting Numbers: [38, 46] Generated Node #0,1,1: 41:[38, 46] Operation: 61-15=46 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[38, 46], Operations: ['89-51=38', '61-15=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,41 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 #0,1,0 Current State: 41:[61, 53], Operations: ['89-51=38', '15+38=53'] Exploring Operation: 61+53=114, Resulting Numbers: [114] 114,41 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 7, 27, 14, 69 ]
75
[ "27-7=20", "69-14=55", "20+55=75" ]
Current State: 75:[7, 27, 14, 69], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [14, 69, 20] Generated Node #2: [14, 69, 20] from Operation: 27-7=20 Current State: 75:[14, 69, 20], Operations: ['27-7=20'] Exploring Operation: 69-14=55, Resulting Numbers: [20, 55] Generated Node #3: [20, 55] from Operation: 69-14=55 Current State: 75:[20, 55], Operations: ['27-7=20', '69-14=55'] Exploring Operation: 20+55=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[7, 27, 14, 69], Operations: [] Exploring Operation: 7+69=76, Resulting Numbers: [27, 14, 76] Generated Node #0,0: 75:[27, 14, 76] Operation: 7+69=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[27, 14, 76], Operations: ['7+69=76'] Exploring Operation: 27-14=13, Resulting Numbers: [76, 13] Generated Node #0,0,0: 75:[76, 13] Operation: 27-14=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[76, 13], Operations: ['7+69=76', '27-14=13'] Exploring Operation: 76-13=63, Resulting Numbers: [63] 63,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 72, 72, 20, 95 ]
74
[ "72/72=1", "95-20=75", "75-1=74" ]
Current State: 74:[72, 72, 20, 95], Operations: [] Exploring Operation: 72/72=1, Resulting Numbers: [20, 95, 1] Generated Node #2: [20, 95, 1] from Operation: 72/72=1 Current State: 74:[20, 95, 1], Operations: ['72/72=1'] Exploring Operation: 95-20=75, Resulting Numbers: [1, 75] Generated Node #3: [1, 75] from Operation: 95-20=75 Current State: 74:[1, 75], Operations: ['72/72=1', '95-20=75'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[72, 72, 20, 95], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [72, 72, 75] Generated Node #0,0: 74:[72, 72, 75] Operation: 95-20=75 Exploring Operation: 95-72=23, Resulting Numbers: [72, 20, 23] Generated Node #0,1: 74:[72, 20, 23] Operation: 95-72=23 Moving to Node #0,0 Current State: 74:[72, 72, 75], Operations: ['95-20=75'] Exploring Operation: 72/72=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 72/72=1 Exploring Operation: 72-72=0, Resulting Numbers: [75, 0] Generated Node #0,0,1: 74:[75, 0] Operation: 72-72=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['95-20=75', '72/72=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,74 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[72, 72, 20, 95], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [72, 72, 75] Generated Node #0,0: 74:[72, 72, 75] Operation: 95-20=75 Moving to Node #0,0 Current State: 74:[72, 72, 75], Operations: ['95-20=75'] Exploring Operation: 72/72=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 72/72=1 Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['95-20=75', '72/72=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 94, 20, 4, 72 ]
46
[ "94+20=114", "72-4=68", "114-68=46" ]
Current State: 46:[94, 20, 4, 72], Operations: [] Exploring Operation: 94+20=114, Resulting Numbers: [4, 72, 114] Generated Node #2: [4, 72, 114] from Operation: 94+20=114 Current State: 46:[4, 72, 114], Operations: ['94+20=114'] Exploring Operation: 72-4=68, Resulting Numbers: [114, 68] Generated Node #3: [114, 68] from Operation: 72-4=68 Current State: 46:[114, 68], Operations: ['94+20=114', '72-4=68'] Exploring Operation: 114-68=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[94, 20, 4, 72], Operations: [] Exploring Operation: 94-20=74, Resulting Numbers: [4, 72, 74] Generated Node #0,0: 46:[4, 72, 74] Operation: 94-20=74 Exploring Operation: 94-72=22, Resulting Numbers: [20, 4, 22] Generated Node #0,1: 46:[20, 4, 22] Operation: 94-72=22 Exploring Operation: 72-20=52, Resulting Numbers: [94, 4, 52] Generated Node #0,2: 46:[94, 4, 52] Operation: 72-20=52 Exploring Operation: 72/4=18, Resulting Numbers: [94, 20, 18] Generated Node #0,3: 46:[94, 20, 18] Operation: 72/4=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[20, 4, 22], Operations: ['94-72=22'] Exploring Operation: 20/4=5, Resulting Numbers: [22, 5] Generated Node #0,1,0: 46:[22, 5] Operation: 20/4=5 Exploring Operation: 22-20=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 46:[4, 2] Operation: 22-20=2 Exploring Operation: 20+22=42, Resulting Numbers: [4, 42] Generated Node #0,1,2: 46:[4, 42] Operation: 20+22=42 Exploring Operation: 20+4=24, Resulting Numbers: [22, 24] Generated Node #0,1,3: 46:[22, 24] Operation: 20+4=24 Moving to Node #0,1,1 Current State: 46:[4, 2], Operations: ['94-72=22', '22-20=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[22, 24], Operations: ['94-72=22', '20+4=24'] Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,46 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[94, 20, 4, 72], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [20, 4, 22] Generated Node #0,1: 46:[20, 4, 22] Operation: 94-72=22 Moving to Node #0,1 Current State: 46:[20, 4, 22], Operations: ['94-72=22'] Exploring Operation: 20+4=24, Resulting Numbers: [22, 24] Generated Node #0,1,3: 46:[22, 24] Operation: 20+4=24 Moving to Node #0,1,3 Current State: 46:[22, 24], Operations: ['94-72=22', '20+4=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 16, 79, 46, 56 ]
32
[ "16*46=736", "79-56=23", "736/23=32" ]
Current State: 32:[16, 79, 46, 56], Operations: [] Exploring Operation: 16*46=736, Resulting Numbers: [79, 56, 736] Generated Node #2: [79, 56, 736] from Operation: 16*46=736 Current State: 32:[79, 56, 736], Operations: ['16*46=736'] Exploring Operation: 79-56=23, Resulting Numbers: [736, 23] Generated Node #3: [736, 23] from Operation: 79-56=23 Current State: 32:[736, 23], Operations: ['16*46=736', '79-56=23'] Exploring Operation: 736/23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[16, 79, 46, 56], Operations: [] Exploring Operation: 79-56=23, Resulting Numbers: [16, 46, 23] Generated Node #0,0: 32:[16, 46, 23] Operation: 79-56=23 Exploring Operation: 79-46=33, Resulting Numbers: [16, 56, 33] Generated Node #0,1: 32:[16, 56, 33] Operation: 79-46=33 Moving to Node #0,0 Current State: 32:[16, 46, 23], Operations: ['79-56=23'] Exploring Operation: 46-23=23, Resulting Numbers: [16, 23] Generated Node #0,0,0: 32:[16, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [16, 2] Generated Node #0,0,1: 32:[16, 2] Operation: 46/23=2 Moving to Node #0,1 Current State: 32:[16, 56, 33], Operations: ['79-46=33'] Exploring Operation: 56-33=23, Resulting Numbers: [16, 23] Generated Node #0,1,0: 32:[16, 23] Operation: 56-33=23 Exploring Operation: 56-16=40, Resulting Numbers: [33, 40] Generated Node #0,1,1: 32:[33, 40] Operation: 56-16=40 Moving to Node #0,0,1 Current State: 32:[16, 2], Operations: ['79-56=23', '46/23=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[16, 79, 46, 56], Operations: [] Exploring Operation: 79-56=23, Resulting Numbers: [16, 46, 23] Generated Node #0,0: 32:[16, 46, 23] Operation: 79-56=23 Moving to Node #0,0 Current State: 32:[16, 46, 23], Operations: ['79-56=23'] Exploring Operation: 46/23=2, Resulting Numbers: [16, 2] Generated Node #0,0,1: 32:[16, 2] Operation: 46/23=2 Moving to Node #0,0,1 Current State: 32:[16, 2], Operations: ['79-56=23', '46/23=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 7, 73, 24, 22 ]
27
[ "73-7=66", "66/22=3", "24+3=27" ]
Current State: 27:[7, 73, 24, 22], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [24, 22, 66] Generated Node #2: [24, 22, 66] from Operation: 73-7=66 Current State: 27:[24, 22, 66], Operations: ['73-7=66'] Exploring Operation: 66/22=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 66/22=3 Current State: 27:[24, 3], Operations: ['73-7=66', '66/22=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[7, 73, 24, 22], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [7, 22, 49] Generated Node #0,0: 27:[7, 22, 49] Operation: 73-24=49 Exploring Operation: 73-7=66, Resulting Numbers: [24, 22, 66] Generated Node #0,1: 27:[24, 22, 66] Operation: 73-7=66 Exploring Operation: 7+22=29, Resulting Numbers: [73, 24, 29] Generated Node #0,2: 27:[73, 24, 29] Operation: 7+22=29 Exploring Operation: 24-22=2, Resulting Numbers: [7, 73, 2] Generated Node #0,3: 27:[7, 73, 2] Operation: 24-22=2 Exploring Operation: 73-22=51, Resulting Numbers: [7, 24, 51] Generated Node #0,4: 27:[7, 24, 51] Operation: 73-22=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[7, 22, 49], Operations: ['73-24=49'] Exploring Operation: 49-7=42, Resulting Numbers: [22, 42] Generated Node #0,0,0: 27:[22, 42] Operation: 49-7=42 Exploring Operation: 49-22=27, Resulting Numbers: [7, 27] Generated Node #0,0,1: 27:[7, 27] Operation: 49-22=27 Exploring Operation: 49/7=7, Resulting Numbers: [22, 7] Generated Node #0,0,2: 27:[22, 7] Operation: 49/7=7 Exploring Operation: 7+22=29, Resulting Numbers: [49, 29] Generated Node #0,0,3: 27:[49, 29] Operation: 7+22=29 Exploring Operation: 22-7=15, Resulting Numbers: [49, 15] Generated Node #0,0,4: 27:[49, 15] Operation: 22-7=15 Moving to Node #0,0,1 Current State: 27:[7, 27], Operations: ['73-24=49', '49-22=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[22, 7], Operations: ['73-24=49', '49/7=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,27 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[22, 42], Operations: ['73-24=49', '49-7=42'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[49, 29], Operations: ['73-24=49', '7+22=29'] Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,27 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,27 unequal: No Solution Moving to Node #0,0,4 Current State: 27:[49, 15], Operations: ['73-24=49', '22-7=15'] Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,27 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[7, 24, 51], Operations: ['73-22=51'] Exploring Operation: 7+24=31, Resulting Numbers: [51, 31] Generated Node #0,4,0: 27:[51, 31] Operation: 7+24=31 Exploring Operation: 51-7=44, Resulting Numbers: [24, 44] Generated Node #0,4,1: 27:[24, 44] Operation: 51-7=44 Exploring Operation: 24-7=17, Resulting Numbers: [51, 17] Generated Node #0,4,2: 27:[51, 17] Operation: 24-7=17 Exploring Operation: 51-24=27, Resulting Numbers: [7, 27] Generated Node #0,4,3: 27:[7, 27] Operation: 51-24=27 Exploring Operation: 7+51=58, Resulting Numbers: [24, 58] Generated Node #0,4,4: 27:[24, 58] Operation: 7+51=58 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 27:[7, 27], Operations: ['73-22=51', '51-24=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,27 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 #0,4,1 Current State: 27:[24, 44], Operations: ['73-22=51', '51-7=44'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,27 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 #0,4,0 Current State: 27:[51, 31], Operations: ['73-22=51', '7+24=31'] Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,27 unequal: No Solution Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 27:[51, 17], Operations: ['73-22=51', '24-7=17'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,27 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,27 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 #0,4,4 Current State: 27:[24, 58], Operations: ['73-22=51', '7+51=58'] Exploring Operation: 24+58=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 24*58=1392, Resulting Numbers: [1392] 1392,27 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:[24, 22, 66], Operations: ['73-7=66'] Exploring Operation: 24-22=2, Resulting Numbers: [66, 2] Generated Node #0,1,0: 27:[66, 2] Operation: 24-22=2 Exploring Operation: 66/22=3, Resulting Numbers: [24, 3] Generated Node #0,1,1: 27:[24, 3] Operation: 66/22=3 Exploring Operation: 24+22=46, Resulting Numbers: [66, 46] Generated Node #0,1,2: 27:[66, 46] Operation: 24+22=46 Exploring Operation: 66-22=44, Resulting Numbers: [24, 44] Generated Node #0,1,3: 27:[24, 44] Operation: 66-22=44 Exploring Operation: 66-24=42, Resulting Numbers: [22, 42] Generated Node #0,1,4: 27:[22, 42] Operation: 66-24=42 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[24, 3], Operations: ['73-7=66', '66/22=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[7, 73, 24, 22], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [24, 22, 66] Generated Node #0,1: 27:[24, 22, 66] Operation: 73-7=66 Moving to Node #0,1 Current State: 27:[24, 22, 66], Operations: ['73-7=66'] Exploring Operation: 66/22=3, Resulting Numbers: [24, 3] Generated Node #0,1,1: 27:[24, 3] Operation: 66/22=3 Moving to Node #0,1,1 Current State: 27:[24, 3], Operations: ['73-7=66', '66/22=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.948785
hs_5
mult_heuristic
[ 36, 90, 27, 18 ]
65
[ "36/18=2", "90-27=63", "2+63=65" ]
Current State: 65:[36, 90, 27, 18], Operations: [] Exploring Operation: 36/18=2, Resulting Numbers: [90, 27, 2] Generated Node #2: [90, 27, 2] from Operation: 36/18=2 Current State: 65:[90, 27, 2], Operations: ['36/18=2'] Exploring Operation: 90-27=63, Resulting Numbers: [2, 63] Generated Node #3: [2, 63] from Operation: 90-27=63 Current State: 65:[2, 63], Operations: ['36/18=2', '90-27=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[36, 90, 27, 18], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [36, 18, 63] Generated Node #0,0: 65:[36, 18, 63] Operation: 90-27=63 Exploring Operation: 36+27=63, Resulting Numbers: [90, 18, 63] Generated Node #0,1: 65:[90, 18, 63] Operation: 36+27=63 Exploring Operation: 90-36=54, Resulting Numbers: [27, 18, 54] Generated Node #0,2: 65:[27, 18, 54] Operation: 90-36=54 Moving to Node #0,0 Current State: 65:[36, 18, 63], Operations: ['90-27=63'] Exploring Operation: 36/18=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 65:[63, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [63, 18] Generated Node #0,0,1: 65:[63, 18] Operation: 36-18=18 Exploring Operation: 36+18=54, Resulting Numbers: [63, 54] Generated Node #0,0,2: 65:[63, 54] Operation: 36+18=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[63, 2], Operations: ['90-27=63', '36/18=2'] Exploring Operation: 63*2=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[36, 90, 27, 18], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [36, 18, 63] Generated Node #0,0: 65:[36, 18, 63] Operation: 90-27=63 Moving to Node #0,0 Current State: 65:[36, 18, 63], Operations: ['90-27=63'] Exploring Operation: 36/18=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 65:[63, 2] Operation: 36/18=2 Moving to Node #0,0,0 Current State: 65:[63, 2], Operations: ['90-27=63', '36/18=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 43, 28, 5, 6 ]
86
[ "5*6=30", "30-28=2", "43*2=86" ]
Current State: 86:[43, 28, 5, 6], Operations: [] Exploring Operation: 5*6=30, Resulting Numbers: [43, 28, 30] Generated Node #2: [43, 28, 30] from Operation: 5*6=30 Current State: 86:[43, 28, 30], Operations: ['5*6=30'] Exploring Operation: 30-28=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 30-28=2 Current State: 86:[43, 2], Operations: ['5*6=30', '30-28=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[43, 28, 5, 6], Operations: [] Exploring Operation: 6-5=1, Resulting Numbers: [43, 28, 1] Generated Node #0,0: 86:[43, 28, 1] Operation: 6-5=1 Exploring Operation: 28+5=33, Resulting Numbers: [43, 6, 33] Generated Node #0,1: 86:[43, 6, 33] Operation: 28+5=33 Exploring Operation: 28+6=34, Resulting Numbers: [43, 5, 34] Generated Node #0,2: 86:[43, 5, 34] Operation: 28+6=34 Moving to Node #0,2 Current State: 86:[43, 5, 34], Operations: ['28+6=34'] Exploring Operation: 43-34=9, Resulting Numbers: [5, 9] Generated Node #0,2,0: 86:[5, 9] Operation: 43-34=9 Exploring Operation: 43+34=77, Resulting Numbers: [5, 77] Generated Node #0,2,1: 86:[5, 77] Operation: 43+34=77 Exploring Operation: 5+34=39, Resulting Numbers: [43, 39] Generated Node #0,2,2: 86:[43, 39] Operation: 5+34=39 Moving to Node #0,1 Current State: 86:[43, 6, 33], Operations: ['28+5=33'] Exploring Operation: 43-33=10, Resulting Numbers: [6, 10] Generated Node #0,1,0: 86:[6, 10] Operation: 43-33=10 Exploring Operation: 6+33=39, Resulting Numbers: [43, 39] Generated Node #0,1,1: 86:[43, 39] Operation: 6+33=39 Exploring Operation: 43+33=76, Resulting Numbers: [6, 76] Generated Node #0,1,2: 86:[6, 76] Operation: 43+33=76 Moving to Node #0,0 Current State: 86:[43, 28, 1], Operations: ['6-5=1'] Exploring Operation: 43-28=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 86:[1, 15] Operation: 43-28=15 Exploring Operation: 43*1=43, Resulting Numbers: [28, 43] Generated Node #0,0,1: 86:[28, 43] Operation: 43*1=43 Exploring Operation: 28+1=29, Resulting Numbers: [43, 29] Generated Node #0,0,2: 86:[43, 29] Operation: 28+1=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[1, 15], Operations: ['6-5=1', '43-28=15'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[43, 29], Operations: ['6-5=1', '28+1=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[28, 43], Operations: ['6-5=1', '43*1=43'] Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,86 unequal: No Solution Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,86 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: 86:[43, 39], Operations: ['28+6=34', '5+34=39'] Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,86 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[43, 39], Operations: ['28+5=33', '6+33=39'] Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,86 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[5, 9], Operations: ['28+6=34', '43-34=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[5, 77], Operations: ['28+6=34', '43+34=77'] Exploring Operation: 5*77=385, Resulting Numbers: [385] 385,86 unequal: No Solution Exploring Operation: 5+77=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[6, 10], Operations: ['28+5=33', '43-33=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,86 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[6, 76], Operations: ['28+5=33', '43+33=76'] Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,86 unequal: No Solution Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,86 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 28, 18, 3, 91 ]
47
[ "28+18=46", "3*46=138", "138-91=47" ]
Current State: 47:[28, 18, 3, 91], Operations: [] Exploring Operation: 28+18=46, Resulting Numbers: [3, 91, 46] Generated Node #2: [3, 91, 46] from Operation: 28+18=46 Current State: 47:[3, 91, 46], Operations: ['28+18=46'] Exploring Operation: 3*46=138, Resulting Numbers: [91, 138] Generated Node #3: [91, 138] from Operation: 3*46=138 Current State: 47:[91, 138], Operations: ['28+18=46', '3*46=138'] Exploring Operation: 138-91=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[28, 18, 3, 91], Operations: [] Exploring Operation: 18*3=54, Resulting Numbers: [28, 91, 54] Generated Node #0,0: 47:[28, 91, 54] Operation: 18*3=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[28, 91, 54], Operations: ['18*3=54'] Exploring Operation: 91-28=63, Resulting Numbers: [54, 63] Generated Node #0,0,0: 47:[54, 63] Operation: 91-28=63 Moving to Node #0,0,0 Current State: 47:[54, 63], Operations: ['18*3=54', '91-28=63'] Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,47 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
[ 31, 56, 97, 23 ]
33
[ "31+56=87", "97+23=120", "120-87=33" ]
Current State: 33:[31, 56, 97, 23], Operations: [] Exploring Operation: 31+56=87, Resulting Numbers: [97, 23, 87] Generated Node #2: [97, 23, 87] from Operation: 31+56=87 Current State: 33:[97, 23, 87], Operations: ['31+56=87'] Exploring Operation: 97+23=120, Resulting Numbers: [87, 120] Generated Node #3: [87, 120] from Operation: 97+23=120 Current State: 33:[87, 120], Operations: ['31+56=87', '97+23=120'] Exploring Operation: 120-87=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[31, 56, 97, 23], Operations: [] Exploring Operation: 56-23=33, Resulting Numbers: [31, 97, 33] Generated Node #0,0: 33:[31, 97, 33] Operation: 56-23=33 Exploring Operation: 97-31=66, Resulting Numbers: [56, 23, 66] Generated Node #0,1: 33:[56, 23, 66] Operation: 97-31=66 Exploring Operation: 97-56=41, Resulting Numbers: [31, 23, 41] Generated Node #0,2: 33:[31, 23, 41] Operation: 97-56=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[31, 23, 41], Operations: ['97-56=41'] Exploring Operation: 41-31=10, Resulting Numbers: [23, 10] Generated Node #0,2,0: 33:[23, 10] Operation: 41-31=10 Exploring Operation: 31-23=8, Resulting Numbers: [41, 8] Generated Node #0,2,1: 33:[41, 8] Operation: 31-23=8 Exploring Operation: 41-23=18, Resulting Numbers: [31, 18] Generated Node #0,2,2: 33:[31, 18] Operation: 41-23=18 Moving to Node #0,2,2 Current State: 33:[31, 18], Operations: ['97-56=41', '41-23=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,33 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,33 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[23, 10], Operations: ['97-56=41', '41-31=10'] Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,33 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[31, 56, 97, 23], Operations: [] Exploring Operation: 97-56=41, Resulting Numbers: [31, 23, 41] Generated Node #0,2: 33:[31, 23, 41] Operation: 97-56=41 Moving to Node #0,2 Current State: 33:[31, 23, 41], Operations: ['97-56=41'] Exploring Operation: 41-31=10, Resulting Numbers: [23, 10] Generated Node #0,2,0: 33:[23, 10] Operation: 41-31=10 Moving to Node #0,2,0 Current State: 33:[23, 10], Operations: ['97-56=41', '41-31=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 93, 14, 51, 38 ]
89
[ "51-38=13", "14*13=182", "182-93=89" ]
Current State: 89:[93, 14, 51, 38], Operations: [] Exploring Operation: 51-38=13, Resulting Numbers: [93, 14, 13] Generated Node #2: [93, 14, 13] from Operation: 51-38=13 Current State: 89:[93, 14, 13], Operations: ['51-38=13'] Exploring Operation: 14*13=182, Resulting Numbers: [93, 182] Generated Node #3: [93, 182] from Operation: 14*13=182 Current State: 89:[93, 182], Operations: ['51-38=13', '14*13=182'] Exploring Operation: 182-93=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[93, 14, 51, 38], Operations: [] Exploring Operation: 14+51=65, Resulting Numbers: [93, 38, 65] Generated Node #0,0: 89:[93, 38, 65] Operation: 14+51=65 Moving to Node #0,0 Current State: 89:[93, 38, 65], Operations: ['14+51=65'] Exploring Operation: 38+65=103, Resulting Numbers: [93, 103] Generated Node #0,0,0: 89:[93, 103] Operation: 38+65=103 Moving to Node #0,0,0 Current State: 89:[93, 103], Operations: ['14+51=65', '38+65=103'] Exploring Operation: 103-93=10, Resulting Numbers: [10] 10,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 75, 88, 95 ]
48
[ "75-34=41", "95-88=7", "41+7=48" ]
Current State: 48:[34, 75, 88, 95], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [88, 95, 41] Generated Node #2: [88, 95, 41] from Operation: 75-34=41 Current State: 48:[88, 95, 41], Operations: ['75-34=41'] Exploring Operation: 95-88=7, Resulting Numbers: [41, 7] Generated Node #3: [41, 7] from Operation: 95-88=7 Current State: 48:[41, 7], Operations: ['75-34=41', '95-88=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[34, 75, 88, 95], Operations: [] Exploring Operation: 95-75=20, Resulting Numbers: [34, 88, 20] Generated Node #0,0: 48:[34, 88, 20] Operation: 95-75=20 Exploring Operation: 95-88=7, Resulting Numbers: [34, 75, 7] Generated Node #0,1: 48:[34, 75, 7] Operation: 95-88=7 Moving to Node #0,1 Current State: 48:[34, 75, 7], Operations: ['95-88=7'] Exploring Operation: 75-34=41, Resulting Numbers: [7, 41] Generated Node #0,1,0: 48:[7, 41] Operation: 75-34=41 Exploring Operation: 34-7=27, Resulting Numbers: [75, 27] Generated Node #0,1,1: 48:[75, 27] Operation: 34-7=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[7, 41], Operations: ['95-88=7', '75-34=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[34, 75, 88, 95], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [34, 75, 7] Generated Node #0,1: 48:[34, 75, 7] Operation: 95-88=7 Moving to Node #0,1 Current State: 48:[34, 75, 7], Operations: ['95-88=7'] Exploring Operation: 75-34=41, Resulting Numbers: [7, 41] Generated Node #0,1,0: 48:[7, 41] Operation: 75-34=41 Moving to Node #0,1,0 Current State: 48:[7, 41], Operations: ['95-88=7', '75-34=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 28, 37, 14, 95 ]
72
[ "37-28=9", "95-14=81", "81-9=72" ]
Current State: 72:[28, 37, 14, 95], Operations: [] Exploring Operation: 37-28=9, Resulting Numbers: [14, 95, 9] Generated Node #2: [14, 95, 9] from Operation: 37-28=9 Current State: 72:[14, 95, 9], Operations: ['37-28=9'] Exploring Operation: 95-14=81, Resulting Numbers: [9, 81] Generated Node #3: [9, 81] from Operation: 95-14=81 Current State: 72:[9, 81], Operations: ['37-28=9', '95-14=81'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[28, 37, 14, 95], Operations: [] Exploring Operation: 95-28=67, Resulting Numbers: [37, 14, 67] Generated Node #0,0: 72:[37, 14, 67] Operation: 95-28=67 Moving to Node #0,0 Current State: 72:[37, 14, 67], Operations: ['95-28=67'] Exploring Operation: 37-14=23, Resulting Numbers: [67, 23] Generated Node #0,0,0: 72:[67, 23] Operation: 37-14=23 Moving to Node #0,0,0 Current State: 72:[67, 23], Operations: ['95-28=67', '37-14=23'] Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,72 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 36, 14, 78, 16 ]
84
[ "36-14=22", "78-16=62", "22+62=84" ]
Current State: 84:[36, 14, 78, 16], Operations: [] Exploring Operation: 36-14=22, Resulting Numbers: [78, 16, 22] Generated Node #2: [78, 16, 22] from Operation: 36-14=22 Current State: 84:[78, 16, 22], Operations: ['36-14=22'] Exploring Operation: 78-16=62, Resulting Numbers: [22, 62] Generated Node #3: [22, 62] from Operation: 78-16=62 Current State: 84:[22, 62], Operations: ['36-14=22', '78-16=62'] Exploring Operation: 22+62=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[36, 14, 78, 16], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [14, 16, 42] Generated Node #0,0: 84:[14, 16, 42] Operation: 78-36=42 Exploring Operation: 36-16=20, Resulting Numbers: [14, 78, 20] Generated Node #0,1: 84:[14, 78, 20] Operation: 36-16=20 Exploring Operation: 36-14=22, Resulting Numbers: [78, 16, 22] Generated Node #0,2: 84:[78, 16, 22] Operation: 36-14=22 Moving to Node #0,0 Current State: 84:[14, 16, 42], Operations: ['78-36=42'] Exploring Operation: 16-14=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 84:[42, 2] Operation: 16-14=2 Exploring Operation: 42-14=28, Resulting Numbers: [16, 28] Generated Node #0,0,1: 84:[16, 28] Operation: 42-14=28 Exploring Operation: 14+16=30, Resulting Numbers: [42, 30] Generated Node #0,0,2: 84:[42, 30] Operation: 14+16=30 Moving to Node #0,1 Current State: 84:[14, 78, 20], Operations: ['36-16=20'] Exploring Operation: 14+78=92, Resulting Numbers: [20, 92] Generated Node #0,1,0: 84:[20, 92] Operation: 14+78=92 Exploring Operation: 20-14=6, Resulting Numbers: [78, 6] Generated Node #0,1,1: 84:[78, 6] Operation: 20-14=6 Exploring Operation: 14+20=34, Resulting Numbers: [78, 34] Generated Node #0,1,2: 84:[78, 34] Operation: 14+20=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[78, 6], Operations: ['36-16=20', '20-14=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[36, 14, 78, 16], Operations: [] Exploring Operation: 36-16=20, Resulting Numbers: [14, 78, 20] Generated Node #0,1: 84:[14, 78, 20] Operation: 36-16=20 Moving to Node #0,1 Current State: 84:[14, 78, 20], Operations: ['36-16=20'] Exploring Operation: 20-14=6, Resulting Numbers: [78, 6] Generated Node #0,1,1: 84:[78, 6] Operation: 20-14=6 Moving to Node #0,1,1 Current State: 84:[78, 6], Operations: ['36-16=20', '20-14=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 45, 12, 29, 10 ]
25
[ "45*12=540", "540/10=54", "54-29=25" ]
Current State: 25:[45, 12, 29, 10], Operations: [] Exploring Operation: 45*12=540, Resulting Numbers: [29, 10, 540] Generated Node #2: [29, 10, 540] from Operation: 45*12=540 Current State: 25:[29, 10, 540], Operations: ['45*12=540'] Exploring Operation: 540/10=54, Resulting Numbers: [29, 54] Generated Node #3: [29, 54] from Operation: 540/10=54 Current State: 25:[29, 54], Operations: ['45*12=540', '540/10=54'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[45, 12, 29, 10], Operations: [] Exploring Operation: 45-10=35, Resulting Numbers: [12, 29, 35] Generated Node #0,0: 25:[12, 29, 35] Operation: 45-10=35 Exploring Operation: 45-12=33, Resulting Numbers: [29, 10, 33] Generated Node #0,1: 25:[29, 10, 33] Operation: 45-12=33 Exploring Operation: 45-29=16, Resulting Numbers: [12, 10, 16] Generated Node #0,2: 25:[12, 10, 16] Operation: 45-29=16 Moving to Node #0,1 Current State: 25:[29, 10, 33], Operations: ['45-12=33'] Exploring Operation: 33-29=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 25:[10, 4] Operation: 33-29=4 Exploring Operation: 29-10=19, Resulting Numbers: [33, 19] Generated Node #0,1,1: 25:[33, 19] Operation: 29-10=19 Exploring Operation: 33-10=23, Resulting Numbers: [29, 23] Generated Node #0,1,2: 25:[29, 23] Operation: 33-10=23 Moving to Node #0,0 Current State: 25:[12, 29, 35], Operations: ['45-10=35'] Exploring Operation: 35-12=23, Resulting Numbers: [29, 23] Generated Node #0,0,0: 25:[29, 23] Operation: 35-12=23 Exploring Operation: 29-12=17, Resulting Numbers: [35, 17] Generated Node #0,0,1: 25:[35, 17] Operation: 29-12=17 Exploring Operation: 35-29=6, Resulting Numbers: [12, 6] Generated Node #0,0,2: 25:[12, 6] Operation: 35-29=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[29, 23], Operations: ['45-10=35', '35-12=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,25 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[12, 6], Operations: ['45-10=35', '35-29=6'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[35, 17], Operations: ['45-10=35', '29-12=17'] Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,25 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,25 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: 25:[12, 10, 16], Operations: ['45-29=16'] Exploring Operation: 16-12=4, Resulting Numbers: [10, 4] Generated Node #0,2,0: 25:[10, 4] Operation: 16-12=4 Exploring Operation: 12+16=28, Resulting Numbers: [10, 28] Generated Node #0,2,1: 25:[10, 28] Operation: 12+16=28 Exploring Operation: 10+16=26, Resulting Numbers: [12, 26] Generated Node #0,2,2: 25:[12, 26] Operation: 10+16=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[10, 4], Operations: ['45-29=16', '16-12=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,25 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 #0,2,1 Current State: 25:[10, 28], Operations: ['45-29=16', '12+16=28'] Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,25 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,25 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 #0,2,2 Current State: 25:[12, 26], Operations: ['45-29=16', '10+16=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,25 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: 25:[10, 4], Operations: ['45-12=33', '33-29=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[29, 23], Operations: ['45-12=33', '33-10=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,25 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[33, 19], Operations: ['45-12=33', '29-10=19'] Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,25 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,25 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 18, 57, 63, 38 ]
41
[ "63-57=6", "18/6=3", "38+3=41" ]
Current State: 41:[18, 57, 63, 38], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [18, 38, 6] Generated Node #2: [18, 38, 6] from Operation: 63-57=6 Current State: 41:[18, 38, 6], Operations: ['63-57=6'] Exploring Operation: 18/6=3, Resulting Numbers: [38, 3] Generated Node #3: [38, 3] from Operation: 18/6=3 Current State: 41:[38, 3], Operations: ['63-57=6', '18/6=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[18, 57, 63, 38], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [63, 38, 39] Generated Node #0,0: 41:[63, 38, 39] Operation: 57-18=39 Exploring Operation: 18+38=56, Resulting Numbers: [57, 63, 56] Generated Node #0,1: 41:[57, 63, 56] Operation: 18+38=56 Exploring Operation: 63-18=45, Resulting Numbers: [57, 38, 45] Generated Node #0,2: 41:[57, 38, 45] Operation: 63-18=45 Moving to Node #0,2 Current State: 41:[57, 38, 45], Operations: ['63-18=45'] Exploring Operation: 45-38=7, Resulting Numbers: [57, 7] Generated Node #0,2,0: 41:[57, 7] Operation: 45-38=7 Exploring Operation: 57-38=19, Resulting Numbers: [45, 19] Generated Node #0,2,1: 41:[45, 19] Operation: 57-38=19 Exploring Operation: 57-45=12, Resulting Numbers: [38, 12] Generated Node #0,2,2: 41:[38, 12] Operation: 57-45=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[45, 19], Operations: ['63-18=45', '57-38=19'] Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,41 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,41 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 #0,2,2 Current State: 41:[38, 12], Operations: ['63-18=45', '57-45=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,41 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,41 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 #0,2,0 Current State: 41:[57, 7], Operations: ['63-18=45', '45-38=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,41 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,41 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: 41:[63, 38, 39], Operations: ['57-18=39'] Exploring Operation: 63-38=25, Resulting Numbers: [39, 25] Generated Node #0,0,0: 41:[39, 25] Operation: 63-38=25 Exploring Operation: 38+39=77, Resulting Numbers: [63, 77] Generated Node #0,0,1: 41:[63, 77] Operation: 38+39=77 Exploring Operation: 63-39=24, Resulting Numbers: [38, 24] Generated Node #0,0,2: 41:[38, 24] Operation: 63-39=24 Moving to Node #0,1 Current State: 41:[57, 63, 56], Operations: ['18+38=56'] Exploring Operation: 63-56=7, Resulting Numbers: [57, 7] Generated Node #0,1,0: 41:[57, 7] Operation: 63-56=7 Exploring Operation: 63-57=6, Resulting Numbers: [56, 6] Generated Node #0,1,1: 41:[56, 6] Operation: 63-57=6 Exploring Operation: 57-56=1, Resulting Numbers: [63, 1] Generated Node #0,1,2: 41:[63, 1] Operation: 57-56=1 Moving to Node #0,0,0 Current State: 41:[39, 25], Operations: ['57-18=39', '63-38=25'] Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,41 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[38, 24], Operations: ['57-18=39', '63-39=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,41 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[56, 6], Operations: ['18+38=56', '63-57=6'] Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,41 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[57, 7], Operations: ['18+38=56', '63-56=7'] Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,41 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[63, 77], Operations: ['57-18=39', '38+39=77'] Exploring Operation: 63+77=140, Resulting Numbers: [140] 140,41 unequal: No Solution Exploring Operation: 63*77=4851, Resulting Numbers: [4851] 4851,41 unequal: No Solution Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[63, 1], Operations: ['18+38=56', '57-56=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,41 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 48, 8, 84, 24 ]
90
[ "48/24=2", "8+84=92", "92-2=90" ]
Current State: 90:[48, 8, 84, 24], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [8, 84, 2] Generated Node #2: [8, 84, 2] from Operation: 48/24=2 Current State: 90:[8, 84, 2], Operations: ['48/24=2'] Exploring Operation: 8+84=92, Resulting Numbers: [2, 92] Generated Node #3: [2, 92] from Operation: 8+84=92 Current State: 90:[2, 92], Operations: ['48/24=2', '8+84=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[48, 8, 84, 24], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [8, 84, 2] Generated Node #0,0: 90:[8, 84, 2] Operation: 48/24=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[8, 84, 2], Operations: ['48/24=2'] Exploring Operation: 8+84=92, Resulting Numbers: [2, 92] Generated Node #0,0,0: 90:[2, 92] Operation: 8+84=92 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[2, 92], Operations: ['48/24=2', '8+84=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[48, 8, 84, 24], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [8, 84, 2] Generated Node #0,0: 90:[8, 84, 2] Operation: 48/24=2 Moving to Node #0,0 Current State: 90:[8, 84, 2], Operations: ['48/24=2'] Exploring Operation: 8+84=92, Resulting Numbers: [2, 92] Generated Node #0,0,0: 90:[2, 92] Operation: 8+84=92 Moving to Node #0,0,0 Current State: 90:[2, 92], Operations: ['48/24=2', '8+84=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 69, 36, 72, 10 ]
77
[ "69+10=79", "72/36=2", "79-2=77" ]
Current State: 77:[69, 36, 72, 10], Operations: [] Exploring Operation: 69+10=79, Resulting Numbers: [36, 72, 79] Generated Node #2: [36, 72, 79] from Operation: 69+10=79 Current State: 77:[36, 72, 79], Operations: ['69+10=79'] Exploring Operation: 72/36=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 72/36=2 Current State: 77:[79, 2], Operations: ['69+10=79', '72/36=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[69, 36, 72, 10], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [69, 10, 2] Generated Node #0,0: 77:[69, 10, 2] Operation: 72/36=2 Exploring Operation: 69-36=33, Resulting Numbers: [72, 10, 33] Generated Node #0,1: 77:[72, 10, 33] Operation: 69-36=33 Moving to Node #0,0 Current State: 77:[69, 10, 2], Operations: ['72/36=2'] Exploring Operation: 69+2=71, Resulting Numbers: [10, 71] Generated Node #0,0,0: 77:[10, 71] Operation: 69+2=71 Exploring Operation: 69+10=79, Resulting Numbers: [2, 79] Generated Node #0,0,1: 77:[2, 79] Operation: 69+10=79 Moving to Node #0,1 Current State: 77:[72, 10, 33], Operations: ['69-36=33'] Exploring Operation: 72+10=82, Resulting Numbers: [33, 82] Generated Node #0,1,0: 77:[33, 82] Operation: 72+10=82 Exploring Operation: 33-10=23, Resulting Numbers: [72, 23] Generated Node #0,1,1: 77:[72, 23] Operation: 33-10=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[72, 23], Operations: ['69-36=33', '33-10=23'] Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,77 unequal: No Solution Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,77 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 #0,1,0 Current State: 77:[33, 82], Operations: ['69-36=33', '72+10=82'] Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,77 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,77 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: 77:[10, 71], Operations: ['72/36=2', '69+2=71'] Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,77 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[2, 79], Operations: ['72/36=2', '69+10=79'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[69, 36, 72, 10], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [69, 10, 2] Generated Node #0,0: 77:[69, 10, 2] Operation: 72/36=2 Moving to Node #0,0 Current State: 77:[69, 10, 2], Operations: ['72/36=2'] Exploring Operation: 69+10=79, Resulting Numbers: [2, 79] Generated Node #0,0,1: 77:[2, 79] Operation: 69+10=79 Moving to Node #0,0,1 Current State: 77:[2, 79], Operations: ['72/36=2', '69+10=79'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 72, 41, 92, 88 ]
23
[ "92-88=4", "72/4=18", "41-18=23" ]
Current State: 23:[72, 41, 92, 88], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [72, 41, 4] Generated Node #2: [72, 41, 4] from Operation: 92-88=4 Current State: 23:[72, 41, 4], Operations: ['92-88=4'] Exploring Operation: 72/4=18, Resulting Numbers: [41, 18] Generated Node #3: [41, 18] from Operation: 72/4=18 Current State: 23:[41, 18], Operations: ['92-88=4', '72/4=18'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[72, 41, 92, 88], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [72, 41, 4] Generated Node #0,0: 23:[72, 41, 4] Operation: 92-88=4 Exploring Operation: 92-72=20, Resulting Numbers: [41, 88, 20] Generated Node #0,1: 23:[41, 88, 20] Operation: 92-72=20 Exploring Operation: 88-72=16, Resulting Numbers: [41, 92, 16] Generated Node #0,2: 23:[41, 92, 16] Operation: 88-72=16 Moving to Node #0,0 Current State: 23:[72, 41, 4], Operations: ['92-88=4'] Exploring Operation: 72/4=18, Resulting Numbers: [41, 18] Generated Node #0,0,0: 23:[41, 18] Operation: 72/4=18 Exploring Operation: 72-41=31, Resulting Numbers: [4, 31] Generated Node #0,0,1: 23:[4, 31] Operation: 72-41=31 Exploring Operation: 72-4=68, Resulting Numbers: [41, 68] Generated Node #0,0,2: 23:[41, 68] Operation: 72-4=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[41, 18], Operations: ['92-88=4', '72/4=18'] Exploring Operation: 41*18=738, Resulting Numbers: [738] 738,23 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[72, 41, 92, 88], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [72, 41, 4] Generated Node #0,0: 23:[72, 41, 4] Operation: 92-88=4 Moving to Node #0,0 Current State: 23:[72, 41, 4], Operations: ['92-88=4'] Exploring Operation: 72/4=18, Resulting Numbers: [41, 18] Generated Node #0,0,0: 23:[41, 18] Operation: 72/4=18 Moving to Node #0,0,0 Current State: 23:[41, 18], Operations: ['92-88=4', '72/4=18'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 10, 28, 44, 13 ]
13
[ "28-10=18", "44-13=31", "31-18=13" ]
Current State: 13:[10, 28, 44, 13], Operations: [] Exploring Operation: 28-10=18, Resulting Numbers: [44, 13, 18] Generated Node #2: [44, 13, 18] from Operation: 28-10=18 Current State: 13:[44, 13, 18], Operations: ['28-10=18'] Exploring Operation: 44-13=31, Resulting Numbers: [18, 31] Generated Node #3: [18, 31] from Operation: 44-13=31 Current State: 13:[18, 31], Operations: ['28-10=18', '44-13=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[10, 28, 44, 13], Operations: [] Exploring Operation: 44-13=31, Resulting Numbers: [10, 28, 31] Generated Node #0,0: 13:[10, 28, 31] Operation: 44-13=31 Exploring Operation: 44-28=16, Resulting Numbers: [10, 13, 16] Generated Node #0,1: 13:[10, 13, 16] Operation: 44-28=16 Exploring Operation: 28-13=15, Resulting Numbers: [10, 44, 15] Generated Node #0,2: 13:[10, 44, 15] Operation: 28-13=15 Exploring Operation: 28-10=18, Resulting Numbers: [44, 13, 18] Generated Node #0,3: 13:[44, 13, 18] Operation: 28-10=18 Exploring Operation: 44-10=34, Resulting Numbers: [28, 13, 34] Generated Node #0,4: 13:[28, 13, 34] Operation: 44-10=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[10, 13, 16], Operations: ['44-28=16'] Exploring Operation: 13-10=3, Resulting Numbers: [16, 3] Generated Node #0,1,0: 13:[16, 3] Operation: 13-10=3 Exploring Operation: 16-10=6, Resulting Numbers: [13, 6] Generated Node #0,1,1: 13:[13, 6] Operation: 16-10=6 Exploring Operation: 10+13=23, Resulting Numbers: [16, 23] Generated Node #0,1,2: 13:[16, 23] Operation: 10+13=23 Exploring Operation: 16-13=3, Resulting Numbers: [10, 3] Generated Node #0,1,3: 13:[10, 3] Operation: 16-13=3 Exploring Operation: 10+16=26, Resulting Numbers: [13, 26] Generated Node #0,1,4: 13:[13, 26] Operation: 10+16=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[13, 6], Operations: ['44-28=16', '16-10=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[16, 3], Operations: ['44-28=16', '13-10=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[10, 28, 44, 13], Operations: [] Exploring Operation: 44-28=16, Resulting Numbers: [10, 13, 16] Generated Node #0,1: 13:[10, 13, 16] Operation: 44-28=16 Moving to Node #0,1 Current State: 13:[10, 13, 16], Operations: ['44-28=16'] Exploring Operation: 13-10=3, Resulting Numbers: [16, 3] Generated Node #0,1,0: 13:[16, 3] Operation: 13-10=3 Moving to Node #0,1,0 Current State: 13:[16, 3], Operations: ['44-28=16', '13-10=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 91, 25, 73, 98 ]
91
[ "91+25=116", "98-73=25", "116-25=91" ]
Current State: 91:[91, 25, 73, 98], Operations: [] Exploring Operation: 91+25=116, Resulting Numbers: [73, 98, 116] Generated Node #2: [73, 98, 116] from Operation: 91+25=116 Current State: 91:[73, 98, 116], Operations: ['91+25=116'] Exploring Operation: 98-73=25, Resulting Numbers: [116, 25] Generated Node #3: [116, 25] from Operation: 98-73=25 Current State: 91:[116, 25], Operations: ['91+25=116', '98-73=25'] Exploring Operation: 116-25=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[91, 25, 73, 98], Operations: [] Exploring Operation: 91-73=18, Resulting Numbers: [25, 98, 18] Generated Node #0,0: 91:[25, 98, 18] Operation: 91-73=18 Exploring Operation: 98-73=25, Resulting Numbers: [91, 25, 25] Generated Node #0,1: 91:[91, 25, 25] Operation: 98-73=25 Exploring Operation: 98-91=7, Resulting Numbers: [25, 73, 7] Generated Node #0,2: 91:[25, 73, 7] Operation: 98-91=7 Exploring Operation: 25+73=98, Resulting Numbers: [91, 98, 98] Generated Node #0,3: 91:[91, 98, 98] Operation: 25+73=98 Moving to Node #0,3 Current State: 91:[91, 98, 98], Operations: ['25+73=98'] Exploring Operation: 98/98=1, Resulting Numbers: [91, 1] Generated Node #0,3,0: 91:[91, 1] Operation: 98/98=1 Exploring Operation: 98-91=7, Resulting Numbers: [98, 7] Generated Node #0,3,1: 91:[98, 7] Operation: 98-91=7 Exploring Operation: 98-91=7, Resulting Numbers: [98, 7] Generated Node #0,3,2: 91:[98, 7] Operation: 98-91=7 Exploring Operation: 98-98=0, Resulting Numbers: [91, 0] Generated Node #0,3,3: 91:[91, 0] Operation: 98-98=0 Moving to Node #0,1 Current State: 91:[91, 25, 25], Operations: ['98-73=25'] Exploring Operation: 25-25=0, Resulting Numbers: [91, 0] Generated Node #0,1,0: 91:[91, 0] Operation: 25-25=0 Exploring Operation: 25/25=1, Resulting Numbers: [91, 1] Generated Node #0,1,1: 91:[91, 1] Operation: 25/25=1 Exploring Operation: 91+25=116, Resulting Numbers: [25, 116] Generated Node #0,1,2: 91:[25, 116] Operation: 91+25=116 Exploring Operation: 91-25=66, Resulting Numbers: [25, 66] Generated Node #0,1,3: 91:[25, 66] Operation: 91-25=66 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[91, 1], Operations: ['98-73=25', '25/25=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[91, 25, 73, 98], Operations: [] Exploring Operation: 98-73=25, Resulting Numbers: [91, 25, 25] Generated Node #0,1: 91:[91, 25, 25] Operation: 98-73=25 Moving to Node #0,1 Current State: 91:[91, 25, 25], Operations: ['98-73=25'] Exploring Operation: 25/25=1, Resulting Numbers: [91, 1] Generated Node #0,1,1: 91:[91, 1] Operation: 25/25=1 Moving to Node #0,1,1 Current State: 91:[91, 1], Operations: ['98-73=25', '25/25=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 63, 57, 96, 64 ]
99
[ "63*64=4032", "4032/96=42", "57+42=99" ]
Current State: 99:[63, 57, 96, 64], Operations: [] Exploring Operation: 63*64=4032, Resulting Numbers: [57, 96, 4032] Generated Node #2: [57, 96, 4032] from Operation: 63*64=4032 Current State: 99:[57, 96, 4032], Operations: ['63*64=4032'] Exploring Operation: 4032/96=42, Resulting Numbers: [57, 42] Generated Node #3: [57, 42] from Operation: 4032/96=42 Current State: 99:[57, 42], Operations: ['63*64=4032', '4032/96=42'] Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 57, 96, 64], Operations: [] Exploring Operation: 64-63=1, Resulting Numbers: [57, 96, 1] Generated Node #0,0: 99:[57, 96, 1] Operation: 64-63=1 Exploring Operation: 63-57=6, Resulting Numbers: [96, 64, 6] Generated Node #0,1: 99:[96, 64, 6] Operation: 63-57=6 Exploring Operation: 64-57=7, Resulting Numbers: [63, 96, 7] Generated Node #0,2: 99:[63, 96, 7] Operation: 64-57=7 Exploring Operation: 63+57=120, Resulting Numbers: [96, 64, 120] Generated Node #0,3: 99:[96, 64, 120] Operation: 63+57=120 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[57, 96, 1], Operations: ['64-63=1'] Exploring Operation: 96-57=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 99:[1, 39] Operation: 96-57=39 Exploring Operation: 57*1=57, Resulting Numbers: [96, 57] Generated Node #0,0,1: 99:[96, 57] Operation: 57*1=57 Exploring Operation: 96+1=97, Resulting Numbers: [57, 97] Generated Node #0,0,2: 99:[57, 97] Operation: 96+1=97 Exploring Operation: 57-1=56, Resulting Numbers: [96, 56] Generated Node #0,0,3: 99:[96, 56] Operation: 57-1=56 Moving to Node #0,0,0 Current State: 99:[1, 39], Operations: ['64-63=1', '96-57=39'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,99 unequal: No Solution Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[96, 56], Operations: ['64-63=1', '57-1=56'] Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,99 unequal: No Solution Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[57, 97], Operations: ['64-63=1', '96+1=97'] Exploring Operation: 97-57=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 57*97=5529, Resulting Numbers: [5529] 5529,99 unequal: No Solution Exploring Operation: 57+97=154, Resulting Numbers: [154] 154,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[96, 57], Operations: ['64-63=1', '57*1=57'] Exploring Operation: 96*57=5472, Resulting Numbers: [5472] 5472,99 unequal: No Solution Exploring Operation: 96-57=39, Resulting Numbers: [39] 39,99 unequal: No Solution Exploring Operation: 96+57=153, Resulting Numbers: [153] 153,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[63, 96, 7], Operations: ['64-57=7'] Exploring Operation: 96-63=33, Resulting Numbers: [7, 33] Generated Node #0,2,0: 99:[7, 33] Operation: 96-63=33 Exploring Operation: 63/7=9, Resulting Numbers: [96, 9] Generated Node #0,2,1: 99:[96, 9] Operation: 63/7=9 Exploring Operation: 63+7=70, Resulting Numbers: [96, 70] Generated Node #0,2,2: 99:[96, 70] Operation: 63+7=70 Exploring Operation: 63-7=56, Resulting Numbers: [96, 56] Generated Node #0,2,3: 99:[96, 56] Operation: 63-7=56 Moving to Node #0,2,0 Current State: 99:[7, 33], Operations: ['64-57=7', '96-63=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[96, 9], Operations: ['64-57=7', '63/7=9'] Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,99 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,99 unequal: No Solution Moving to Node #0,2,3 Current State: 99:[96, 56], Operations: ['64-57=7', '63-7=56'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,99 unequal: No Solution Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[96, 70], Operations: ['64-57=7', '63+7=70'] Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,99 unequal: No Solution Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,99 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[96, 64, 6], Operations: ['63-57=6'] Exploring Operation: 64+6=70, Resulting Numbers: [96, 70] Generated Node #0,1,0: 99:[96, 70] Operation: 64+6=70 Exploring Operation: 96+6=102, Resulting Numbers: [64, 102] Generated Node #0,1,1: 99:[64, 102] Operation: 96+6=102 Exploring Operation: 64-6=58, Resulting Numbers: [96, 58] Generated Node #0,1,2: 99:[96, 58] Operation: 64-6=58 Exploring Operation: 96-64=32, Resulting Numbers: [6, 32] Generated Node #0,1,3: 99:[6, 32] Operation: 96-64=32 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[6, 32], Operations: ['63-57=6', '96-64=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[96, 58], Operations: ['63-57=6', '64-6=58'] Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 96*58=5568, Resulting Numbers: [5568] 5568,99 unequal: No Solution Exploring Operation: 96+58=154, Resulting Numbers: [154] 154,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[96, 70], Operations: ['63-57=6', '64+6=70'] Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,99 unequal: No Solution Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,99 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[64, 102], Operations: ['63-57=6', '96+6=102'] Exploring Operation: 64*102=6528, Resulting Numbers: [6528] 6528,99 unequal: No Solution Exploring Operation: 64+102=166, Resulting Numbers: [166] 166,99 unequal: No Solution Exploring Operation: 102-64=38, Resulting Numbers: [38] 38,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[96, 64, 120], Operations: ['63+57=120'] Exploring Operation: 96-64=32, Resulting Numbers: [120, 32] Generated Node #0,3,0: 99:[120, 32] Operation: 96-64=32 Exploring Operation: 96+64=160, Resulting Numbers: [120, 160] Generated Node #0,3,1: 99:[120, 160] Operation: 96+64=160 Exploring Operation: 120-96=24, Resulting Numbers: [64, 24] Generated Node #0,3,2: 99:[64, 24] Operation: 120-96=24 Exploring Operation: 120-64=56, Resulting Numbers: [96, 56] Generated Node #0,3,3: 99:[96, 56] Operation: 120-64=56 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 99:[120, 32], Operations: ['63+57=120', '96-64=32'] Exploring Operation: 120+32=152, Resulting Numbers: [152] 152,99 unequal: No Solution Exploring Operation: 120*32=3840, Resulting Numbers: [3840] 3840,99 unequal: No Solution Exploring Operation: 120-32=88, Resulting Numbers: [88] 88,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 99:[96, 56], Operations: ['63+57=120', '120-64=56'] Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,99 unequal: No Solution Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,99 unequal: No Solution Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 99:[64, 24], Operations: ['63+57=120', '120-96=24'] Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,99 unequal: No Solution Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,99 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 99:[120, 160], Operations: ['63+57=120', '96+64=160'] Exploring Operation: 120+160=280, Resulting Numbers: [280] 280,99 unequal: No Solution Exploring Operation: 160-120=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 120*160=19200, Resulting Numbers: [19200] 19200,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 3, 84, 79, 44 ]
46
[ "84-3=81", "79-44=35", "81-35=46" ]
Current State: 46:[3, 84, 79, 44], Operations: [] Exploring Operation: 84-3=81, Resulting Numbers: [79, 44, 81] Generated Node #2: [79, 44, 81] from Operation: 84-3=81 Current State: 46:[79, 44, 81], Operations: ['84-3=81'] Exploring Operation: 79-44=35, Resulting Numbers: [81, 35] Generated Node #3: [81, 35] from Operation: 79-44=35 Current State: 46:[81, 35], Operations: ['84-3=81', '79-44=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[3, 84, 79, 44], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [79, 44, 28] Generated Node #0,0: 46:[79, 44, 28] Operation: 84/3=28 Exploring Operation: 79-44=35, Resulting Numbers: [3, 84, 35] Generated Node #0,1: 46:[3, 84, 35] Operation: 79-44=35 Exploring Operation: 84-44=40, Resulting Numbers: [3, 79, 40] Generated Node #0,2: 46:[3, 79, 40] Operation: 84-44=40 Exploring Operation: 84-79=5, Resulting Numbers: [3, 44, 5] Generated Node #0,3: 46:[3, 44, 5] Operation: 84-79=5 Moving to Node #0,3 Current State: 46:[3, 44, 5], Operations: ['84-79=5'] Exploring Operation: 3+44=47, Resulting Numbers: [5, 47] Generated Node #0,3,0: 46:[5, 47] Operation: 3+44=47 Exploring Operation: 44+5=49, Resulting Numbers: [3, 49] Generated Node #0,3,1: 46:[3, 49] Operation: 44+5=49 Exploring Operation: 5-3=2, Resulting Numbers: [44, 2] Generated Node #0,3,2: 46:[44, 2] Operation: 5-3=2 Exploring Operation: 44-3=41, Resulting Numbers: [5, 41] Generated Node #0,3,3: 46:[5, 41] Operation: 44-3=41 Moving to Node #0,2 Current State: 46:[3, 79, 40], Operations: ['84-44=40'] Exploring Operation: 3+79=82, Resulting Numbers: [40, 82] Generated Node #0,2,0: 46:[40, 82] Operation: 3+79=82 Exploring Operation: 79-3=76, Resulting Numbers: [40, 76] Generated Node #0,2,1: 46:[40, 76] Operation: 79-3=76 Exploring Operation: 3+40=43, Resulting Numbers: [79, 43] Generated Node #0,2,2: 46:[79, 43] Operation: 3+40=43 Exploring Operation: 79-40=39, Resulting Numbers: [3, 39] Generated Node #0,2,3: 46:[3, 39] Operation: 79-40=39 Moving to Node #0,0 Current State: 46:[79, 44, 28], Operations: ['84/3=28'] Exploring Operation: 44+28=72, Resulting Numbers: [79, 72] Generated Node #0,0,0: 46:[79, 72] Operation: 44+28=72 Exploring Operation: 44-28=16, Resulting Numbers: [79, 16] Generated Node #0,0,1: 46:[79, 16] Operation: 44-28=16 Exploring Operation: 79-28=51, Resulting Numbers: [44, 51] Generated Node #0,0,2: 46:[44, 51] Operation: 79-28=51 Exploring Operation: 79-44=35, Resulting Numbers: [28, 35] Generated Node #0,0,3: 46:[28, 35] Operation: 79-44=35 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[44, 51], Operations: ['84/3=28', '79-28=51'] Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,46 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,46 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,46 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 #0,0,3 Current State: 46:[28, 35], Operations: ['84/3=28', '79-44=35'] Exploring Operation: 28*35=980, Resulting Numbers: [980] 980,46 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,46 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 #0,0,1 Current State: 46:[79, 16], Operations: ['84/3=28', '44-28=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,46 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,46 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 #0,0,0 Current State: 46:[79, 72], Operations: ['84/3=28', '44+28=72'] Exploring Operation: 79+72=151, Resulting Numbers: [151] 151,46 unequal: No Solution Exploring Operation: 79*72=5688, Resulting Numbers: [5688] 5688,46 unequal: No Solution Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,46 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: 46:[3, 84, 35], Operations: ['79-44=35'] Exploring Operation: 84/3=28, Resulting Numbers: [35, 28] Generated Node #0,1,0: 46:[35, 28] Operation: 84/3=28 Exploring Operation: 84-35=49, Resulting Numbers: [3, 49] Generated Node #0,1,1: 46:[3, 49] Operation: 84-35=49 Exploring Operation: 3+35=38, Resulting Numbers: [84, 38] Generated Node #0,1,2: 46:[84, 38] Operation: 3+35=38 Exploring Operation: 84-3=81, Resulting Numbers: [35, 81] Generated Node #0,1,3: 46:[35, 81] Operation: 84-3=81 Moving to Node #0,3,2 Current State: 46:[44, 2], Operations: ['84-79=5', '5-3=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,46 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,46 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[3, 84, 79, 44], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [3, 44, 5] Generated Node #0,3: 46:[3, 44, 5] Operation: 84-79=5 Moving to Node #0,3 Current State: 46:[3, 44, 5], Operations: ['84-79=5'] Exploring Operation: 5-3=2, Resulting Numbers: [44, 2] Generated Node #0,3,2: 46:[44, 2] Operation: 5-3=2 Moving to Node #0,3,2 Current State: 46:[44, 2], Operations: ['84-79=5', '5-3=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 20, 19, 11, 62 ]
93
[ "19+11=30", "62*30=1860", "1860/20=93" ]
Current State: 93:[20, 19, 11, 62], Operations: [] Exploring Operation: 19+11=30, Resulting Numbers: [20, 62, 30] Generated Node #2: [20, 62, 30] from Operation: 19+11=30 Current State: 93:[20, 62, 30], Operations: ['19+11=30'] Exploring Operation: 62*30=1860, Resulting Numbers: [20, 1860] Generated Node #3: [20, 1860] from Operation: 62*30=1860 Current State: 93:[20, 1860], Operations: ['19+11=30', '62*30=1860'] Exploring Operation: 1860/20=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[20, 19, 11, 62], Operations: [] Exploring Operation: 62-20=42, Resulting Numbers: [19, 11, 42] Generated Node #0,0: 93:[19, 11, 42] Operation: 62-20=42 Exploring Operation: 20+62=82, Resulting Numbers: [19, 11, 82] Generated Node #0,1: 93:[19, 11, 82] Operation: 20+62=82 Moving to Node #0,0 Current State: 93:[19, 11, 42], Operations: ['62-20=42'] Exploring Operation: 42-11=31, Resulting Numbers: [19, 31] Generated Node #0,0,0: 93:[19, 31] Operation: 42-11=31 Exploring Operation: 19+11=30, Resulting Numbers: [42, 30] Generated Node #0,0,1: 93:[42, 30] Operation: 19+11=30 Moving to Node #0,1 Current State: 93:[19, 11, 82], Operations: ['20+62=82'] Exploring Operation: 19+11=30, Resulting Numbers: [82, 30] Generated Node #0,1,0: 93:[82, 30] Operation: 19+11=30 Exploring Operation: 11+82=93, Resulting Numbers: [19, 93] Generated Node #0,1,1: 93:[19, 93] Operation: 11+82=93 Moving to Node #0,0,0 Current State: 93:[19, 31], Operations: ['62-20=42', '42-11=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[82, 30], Operations: ['20+62=82', '19+11=30'] Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,93 unequal: No Solution Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[42, 30], Operations: ['62-20=42', '19+11=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[19, 93], Operations: ['20+62=82', '11+82=93'] Exploring Operation: 19+93=112, Resulting Numbers: [112] 112,93 unequal: No Solution Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,93 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 27, 10, 75 ]
71
[ "78-75=3", "27*3=81", "81-10=71" ]
Current State: 71:[78, 27, 10, 75], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [27, 10, 3] Generated Node #2: [27, 10, 3] from Operation: 78-75=3 Current State: 71:[27, 10, 3], Operations: ['78-75=3'] Exploring Operation: 27*3=81, Resulting Numbers: [10, 81] Generated Node #3: [10, 81] from Operation: 27*3=81 Current State: 71:[10, 81], Operations: ['78-75=3', '27*3=81'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[78, 27, 10, 75], Operations: [] Exploring Operation: 27+10=37, Resulting Numbers: [78, 75, 37] Generated Node #0,0: 71:[78, 75, 37] Operation: 27+10=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[78, 75, 37], Operations: ['27+10=37'] Exploring Operation: 78-37=41, Resulting Numbers: [75, 41] Generated Node #0,0,0: 71:[75, 41] Operation: 78-37=41 Moving to Node #0,0,0 Current State: 71:[75, 41], Operations: ['27+10=37', '78-37=41'] Exploring Operation: 75-41=34, Resulting Numbers: [34] 34,71 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
[ 78, 57, 4, 60 ]
22
[ "60-57=3", "78/3=26", "26-4=22" ]
Current State: 22:[78, 57, 4, 60], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [78, 4, 3] Generated Node #2: [78, 4, 3] from Operation: 60-57=3 Current State: 22:[78, 4, 3], Operations: ['60-57=3'] Exploring Operation: 78/3=26, Resulting Numbers: [4, 26] Generated Node #3: [4, 26] from Operation: 78/3=26 Current State: 22:[4, 26], Operations: ['60-57=3', '78/3=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[78, 57, 4, 60], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [4, 60, 21] Generated Node #0,0: 22:[4, 60, 21] Operation: 78-57=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[4, 60, 21], Operations: ['78-57=21'] Exploring Operation: 60/4=15, Resulting Numbers: [21, 15] Generated Node #0,0,0: 22:[21, 15] Operation: 60/4=15 Moving to Node #0,0,0 Current State: 22:[21, 15], Operations: ['78-57=21', '60/4=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,22 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
[ 7, 44, 9, 48 ]
68
[ "9-7=2", "48/2=24", "44+24=68" ]
Current State: 68:[7, 44, 9, 48], Operations: [] Exploring Operation: 9-7=2, Resulting Numbers: [44, 48, 2] Generated Node #2: [44, 48, 2] from Operation: 9-7=2 Current State: 68:[44, 48, 2], Operations: ['9-7=2'] Exploring Operation: 48/2=24, Resulting Numbers: [44, 24] Generated Node #3: [44, 24] from Operation: 48/2=24 Current State: 68:[44, 24], Operations: ['9-7=2', '48/2=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[7, 44, 9, 48], Operations: [] Exploring Operation: 44-7=37, Resulting Numbers: [9, 48, 37] Generated Node #0,0: 68:[9, 48, 37] Operation: 44-7=37 Exploring Operation: 44-9=35, Resulting Numbers: [7, 48, 35] Generated Node #0,1: 68:[7, 48, 35] Operation: 44-9=35 Exploring Operation: 48-44=4, Resulting Numbers: [7, 9, 4] Generated Node #0,2: 68:[7, 9, 4] Operation: 48-44=4 Exploring Operation: 48-9=39, Resulting Numbers: [7, 44, 39] Generated Node #0,3: 68:[7, 44, 39] Operation: 48-9=39 Moving to Node #0,2 Current State: 68:[7, 9, 4], Operations: ['48-44=4'] Exploring Operation: 9-7=2, Resulting Numbers: [4, 2] Generated Node #0,2,0: 68:[4, 2] Operation: 9-7=2 Exploring Operation: 9-4=5, Resulting Numbers: [7, 5] Generated Node #0,2,1: 68:[7, 5] Operation: 9-4=5 Exploring Operation: 7+9=16, Resulting Numbers: [4, 16] Generated Node #0,2,2: 68:[4, 16] Operation: 7+9=16 Exploring Operation: 7*9=63, Resulting Numbers: [4, 63] Generated Node #0,2,3: 68:[4, 63] Operation: 7*9=63 Moving to Node #0,3 Current State: 68:[7, 44, 39], Operations: ['48-9=39'] Exploring Operation: 44-7=37, Resulting Numbers: [39, 37] Generated Node #0,3,0: 68:[39, 37] Operation: 44-7=37 Exploring Operation: 44-39=5, Resulting Numbers: [7, 5] Generated Node #0,3,1: 68:[7, 5] Operation: 44-39=5 Exploring Operation: 44+39=83, Resulting Numbers: [7, 83] Generated Node #0,3,2: 68:[7, 83] Operation: 44+39=83 Exploring Operation: 39-7=32, Resulting Numbers: [44, 32] Generated Node #0,3,3: 68:[44, 32] Operation: 39-7=32 Moving to Node #0,1 Current State: 68:[7, 48, 35], Operations: ['44-9=35'] Exploring Operation: 48-7=41, Resulting Numbers: [35, 41] Generated Node #0,1,0: 68:[35, 41] Operation: 48-7=41 Exploring Operation: 7+48=55, Resulting Numbers: [35, 55] Generated Node #0,1,1: 68:[35, 55] Operation: 7+48=55 Exploring Operation: 35/7=5, Resulting Numbers: [48, 5] Generated Node #0,1,2: 68:[48, 5] Operation: 35/7=5 Exploring Operation: 48-35=13, Resulting Numbers: [7, 13] Generated Node #0,1,3: 68:[7, 13] Operation: 48-35=13 Moving to Node #0,0 Current State: 68:[9, 48, 37], Operations: ['44-7=37'] Exploring Operation: 9+48=57, Resulting Numbers: [37, 57] Generated Node #0,0,0: 68:[37, 57] Operation: 9+48=57 Exploring Operation: 37-9=28, Resulting Numbers: [48, 28] Generated Node #0,0,1: 68:[48, 28] Operation: 37-9=28 Exploring Operation: 48-9=39, Resulting Numbers: [37, 39] Generated Node #0,0,2: 68:[37, 39] Operation: 48-9=39 Exploring Operation: 48-37=11, Resulting Numbers: [9, 11] Generated Node #0,0,3: 68:[9, 11] Operation: 48-37=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[37, 39], Operations: ['44-7=37', '48-9=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,68 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,68 unequal: No Solution No 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: 68:[9, 11], Operations: ['44-7=37', '48-37=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,68 unequal: No Solution No 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: 68:[37, 57], Operations: ['44-7=37', '9+48=57'] Exploring Operation: 37*57=2109, Resulting Numbers: [2109] 2109,68 unequal: No Solution Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,68 unequal: No Solution No 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: 68:[48, 28], Operations: ['44-7=37', '37-9=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,68 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 68:[4, 2], Operations: ['48-44=4', '9-7=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,68 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[4, 16], Operations: ['48-44=4', '7+9=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[7, 5], Operations: ['48-44=4', '9-4=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,68 unequal: No Solution Moving to Node #0,3,1 Current State: 68:[7, 5], Operations: ['48-9=39', '44-39=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[4, 63], Operations: ['48-44=4', '7*9=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,68 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[7, 13], Operations: ['44-9=35', '48-35=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,68 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,68 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[39, 37], Operations: ['48-9=39', '44-7=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[35, 41], Operations: ['44-9=35', '48-7=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 35*41=1435, Resulting Numbers: [1435] 1435,68 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[44, 32], Operations: ['48-9=39', '39-7=32'] Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,68 unequal: No Solution Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[35, 55], Operations: ['44-9=35', '7+48=55'] Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 35*55=1925, Resulting Numbers: [1925] 1925,68 unequal: No Solution Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[48, 5], Operations: ['44-9=35', '35/7=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,68 unequal: No Solution Moving to Node #0,3,2 Current State: 68:[7, 83], Operations: ['48-9=39', '44+39=83'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 7+83=90, Resulting Numbers: [90] 90,68 unequal: No Solution Exploring Operation: 7*83=581, Resulting Numbers: [581] 581,68 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 20, 2, 79, 3 ]
100
[ "20-2=18", "79+3=82", "18+82=100" ]
Current State: 100:[20, 2, 79, 3], Operations: [] Exploring Operation: 20-2=18, Resulting Numbers: [79, 3, 18] Generated Node #2: [79, 3, 18] from Operation: 20-2=18 Current State: 100:[79, 3, 18], Operations: ['20-2=18'] Exploring Operation: 79+3=82, Resulting Numbers: [18, 82] Generated Node #3: [18, 82] from Operation: 79+3=82 Current State: 100:[18, 82], Operations: ['20-2=18', '79+3=82'] Exploring Operation: 18+82=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[20, 2, 79, 3], Operations: [] Exploring Operation: 20+79=99, Resulting Numbers: [2, 3, 99] Generated Node #0,0: 100:[2, 3, 99] Operation: 20+79=99 Moving to Node #0,0 Current State: 100:[2, 3, 99], Operations: ['20+79=99'] Exploring Operation: 2+3=5, Resulting Numbers: [99, 5] Generated Node #0,0,0: 100:[99, 5] Operation: 2+3=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[99, 5], Operations: ['20+79=99', '2+3=5'] Exploring Operation: 99+5=104, Resulting Numbers: [104] 104,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 9, 49, 72, 78 ]
52
[ "9+49=58", "78-72=6", "58-6=52" ]
Current State: 52:[9, 49, 72, 78], Operations: [] Exploring Operation: 9+49=58, Resulting Numbers: [72, 78, 58] Generated Node #2: [72, 78, 58] from Operation: 9+49=58 Current State: 52:[72, 78, 58], Operations: ['9+49=58'] Exploring Operation: 78-72=6, Resulting Numbers: [58, 6] Generated Node #3: [58, 6] from Operation: 78-72=6 Current State: 52:[58, 6], Operations: ['9+49=58', '78-72=6'] Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[9, 49, 72, 78], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [9, 49, 6] Generated Node #0,0: 52:[9, 49, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[9, 49, 6], Operations: ['78-72=6'] Exploring Operation: 9-6=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 9-6=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['78-72=6', '9-6=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[9, 49, 72, 78], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [9, 49, 6] Generated Node #0,0: 52:[9, 49, 6] Operation: 78-72=6 Moving to Node #0,0 Current State: 52:[9, 49, 6], Operations: ['78-72=6'] Exploring Operation: 9-6=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 9-6=3 Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['78-72=6', '9-6=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 36, 40, 30, 35 ]
10
[ "36-35=1", "40-30=10", "1*10=10" ]
Current State: 10:[36, 40, 30, 35], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [40, 30, 1] Generated Node #2: [40, 30, 1] from Operation: 36-35=1 Current State: 10:[40, 30, 1], Operations: ['36-35=1'] Exploring Operation: 40-30=10, Resulting Numbers: [1, 10] Generated Node #3: [1, 10] from Operation: 40-30=10 Current State: 10:[1, 10], Operations: ['36-35=1', '40-30=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[36, 40, 30, 35], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [40, 30, 1] Generated Node #0,0: 10:[40, 30, 1] Operation: 36-35=1 Exploring Operation: 40-36=4, Resulting Numbers: [30, 35, 4] Generated Node #0,1: 10:[30, 35, 4] Operation: 40-36=4 Exploring Operation: 40-35=5, Resulting Numbers: [36, 30, 5] Generated Node #0,2: 10:[36, 30, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[30, 35, 4], Operations: ['40-36=4'] Exploring Operation: 35-4=31, Resulting Numbers: [30, 31] Generated Node #0,1,0: 10:[30, 31] Operation: 35-4=31 Exploring Operation: 30-4=26, Resulting Numbers: [35, 26] Generated Node #0,1,1: 10:[35, 26] Operation: 30-4=26 Exploring Operation: 35-30=5, Resulting Numbers: [4, 5] Generated Node #0,1,2: 10:[4, 5] Operation: 35-30=5 Moving to Node #0,1,2 Current State: 10:[4, 5], Operations: ['40-36=4', '35-30=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[30, 31], Operations: ['40-36=4', '35-4=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,10 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[35, 26], Operations: ['40-36=4', '30-4=26'] Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,10 unequal: No Solution No 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: 10:[36, 30, 5], Operations: ['40-35=5'] Exploring Operation: 36-5=31, Resulting Numbers: [30, 31] Generated Node #0,2,0: 10:[30, 31] Operation: 36-5=31 Exploring Operation: 36-30=6, Resulting Numbers: [5, 6] Generated Node #0,2,1: 10:[5, 6] Operation: 36-30=6 Exploring Operation: 30/5=6, Resulting Numbers: [36, 6] Generated Node #0,2,2: 10:[36, 6] Operation: 30/5=6 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[5, 6], Operations: ['40-35=5', '36-30=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[36, 6], Operations: ['40-35=5', '30/5=6'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 10:[30, 31], Operations: ['40-35=5', '36-5=31'] Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,10 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,10 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: 10:[40, 30, 1], Operations: ['36-35=1'] Exploring Operation: 30-1=29, Resulting Numbers: [40, 29] Generated Node #0,0,0: 10:[40, 29] Operation: 30-1=29 Exploring Operation: 40-1=39, Resulting Numbers: [30, 39] Generated Node #0,0,1: 10:[30, 39] Operation: 40-1=39 Exploring Operation: 40-30=10, Resulting Numbers: [1, 10] Generated Node #0,0,2: 10:[1, 10] Operation: 40-30=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[1, 10], Operations: ['36-35=1', '40-30=10'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[36, 40, 30, 35], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [40, 30, 1] Generated Node #0,0: 10:[40, 30, 1] Operation: 36-35=1 Moving to Node #0,0 Current State: 10:[40, 30, 1], Operations: ['36-35=1'] Exploring Operation: 40-30=10, Resulting Numbers: [1, 10] Generated Node #0,0,2: 10:[1, 10] Operation: 40-30=10 Moving to Node #0,0,2 Current State: 10:[1, 10], Operations: ['36-35=1', '40-30=10'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 81, 42, 45, 5 ]
33
[ "81*5=405", "405/45=9", "42-9=33" ]
Current State: 33:[81, 42, 45, 5], Operations: [] Exploring Operation: 81*5=405, Resulting Numbers: [42, 45, 405] Generated Node #2: [42, 45, 405] from Operation: 81*5=405 Current State: 33:[42, 45, 405], Operations: ['81*5=405'] Exploring Operation: 405/45=9, Resulting Numbers: [42, 9] Generated Node #3: [42, 9] from Operation: 405/45=9 Current State: 33:[42, 9], Operations: ['81*5=405', '405/45=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[81, 42, 45, 5], Operations: [] Exploring Operation: 81-42=39, Resulting Numbers: [45, 5, 39] Generated Node #0,0: 33:[45, 5, 39] Operation: 81-42=39 Exploring Operation: 81-45=36, Resulting Numbers: [42, 5, 36] Generated Node #0,1: 33:[42, 5, 36] Operation: 81-45=36 Moving to Node #0,1 Current State: 33:[42, 5, 36], Operations: ['81-45=36'] Exploring Operation: 42-36=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 33:[5, 6] Operation: 42-36=6 Exploring Operation: 42-5=37, Resulting Numbers: [36, 37] Generated Node #0,1,1: 33:[36, 37] Operation: 42-5=37 Moving to Node #0,0 Current State: 33:[45, 5, 39], Operations: ['81-42=39'] Exploring Operation: 45-39=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 33:[5, 6] Operation: 45-39=6 Exploring Operation: 45/5=9, Resulting Numbers: [39, 9] Generated Node #0,0,1: 33:[39, 9] Operation: 45/5=9 Moving to Node #0,1,0 Current State: 33:[5, 6], Operations: ['81-45=36', '42-36=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[5, 6], Operations: ['81-42=39', '45-39=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[36, 37], Operations: ['81-45=36', '42-5=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[39, 9], Operations: ['81-42=39', '45/5=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,33 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 22, 74, 33 ]
40
[ "59+22=81", "74-33=41", "81-41=40" ]
Current State: 40:[59, 22, 74, 33], Operations: [] Exploring Operation: 59+22=81, Resulting Numbers: [74, 33, 81] Generated Node #2: [74, 33, 81] from Operation: 59+22=81 Current State: 40:[74, 33, 81], Operations: ['59+22=81'] Exploring Operation: 74-33=41, Resulting Numbers: [81, 41] Generated Node #3: [81, 41] from Operation: 74-33=41 Current State: 40:[81, 41], Operations: ['59+22=81', '74-33=41'] Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[59, 22, 74, 33], Operations: [] Exploring Operation: 74-59=15, Resulting Numbers: [22, 33, 15] Generated Node #0,0: 40:[22, 33, 15] Operation: 74-59=15 Exploring Operation: 74-33=41, Resulting Numbers: [59, 22, 41] Generated Node #0,1: 40:[59, 22, 41] Operation: 74-33=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[22, 33, 15], Operations: ['74-59=15'] Exploring Operation: 33-22=11, Resulting Numbers: [15, 11] Generated Node #0,0,0: 40:[15, 11] Operation: 33-22=11 Exploring Operation: 33-15=18, Resulting Numbers: [22, 18] Generated Node #0,0,1: 40:[22, 18] Operation: 33-15=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[22, 18], Operations: ['74-59=15', '33-15=18'] Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[59, 22, 74, 33], Operations: [] Exploring Operation: 74-59=15, Resulting Numbers: [22, 33, 15] Generated Node #0,0: 40:[22, 33, 15] Operation: 74-59=15 Moving to Node #0,0 Current State: 40:[22, 33, 15], Operations: ['74-59=15'] Exploring Operation: 33-15=18, Resulting Numbers: [22, 18] Generated Node #0,0,1: 40:[22, 18] Operation: 33-15=18 Moving to Node #0,0,1 Current State: 40:[22, 18], Operations: ['74-59=15', '33-15=18'] Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 53, 1, 71, 90 ]
73
[ "53+1=54", "90-71=19", "54+19=73" ]
Current State: 73:[53, 1, 71, 90], Operations: [] Exploring Operation: 53+1=54, Resulting Numbers: [71, 90, 54] Generated Node #2: [71, 90, 54] from Operation: 53+1=54 Current State: 73:[71, 90, 54], Operations: ['53+1=54'] Exploring Operation: 90-71=19, Resulting Numbers: [54, 19] Generated Node #3: [54, 19] from Operation: 90-71=19 Current State: 73:[54, 19], Operations: ['53+1=54', '90-71=19'] Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[53, 1, 71, 90], Operations: [] Exploring Operation: 1+71=72, Resulting Numbers: [53, 90, 72] Generated Node #0,0: 73:[53, 90, 72] Operation: 1+71=72 Exploring Operation: 53*1=53, Resulting Numbers: [71, 90, 53] Generated Node #0,1: 73:[71, 90, 53] Operation: 53*1=53 Exploring Operation: 90-1=89, Resulting Numbers: [53, 71, 89] Generated Node #0,2: 73:[53, 71, 89] Operation: 90-1=89 Exploring Operation: 53/1=53, Resulting Numbers: [71, 90, 53] Generated Node #0,3: 73:[71, 90, 53] Operation: 53/1=53 Exploring Operation: 53+1=54, Resulting Numbers: [71, 90, 54] Generated Node #0,4: 73:[71, 90, 54] Operation: 53+1=54 Moving to Node #0,0 Current State: 73:[53, 90, 72], Operations: ['1+71=72'] Exploring Operation: 53+90=143, Resulting Numbers: [72, 143] Generated Node #0,0,0: 73:[72, 143] Operation: 53+90=143 Exploring Operation: 72-53=19, Resulting Numbers: [90, 19] Generated Node #0,0,1: 73:[90, 19] Operation: 72-53=19 Exploring Operation: 90-72=18, Resulting Numbers: [53, 18] Generated Node #0,0,2: 73:[53, 18] Operation: 90-72=18 Exploring Operation: 53+72=125, Resulting Numbers: [90, 125] Generated Node #0,0,3: 73:[90, 125] Operation: 53+72=125 Exploring Operation: 90-53=37, Resulting Numbers: [72, 37] Generated Node #0,0,4: 73:[72, 37] Operation: 90-53=37 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 73:[72, 37], Operations: ['1+71=72', '90-53=37'] Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 73:[90, 125], Operations: ['1+71=72', '53+72=125'] Exploring Operation: 125-90=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 90+125=215, Resulting Numbers: [215] 215,73 unequal: No Solution Exploring Operation: 90*125=11250, Resulting Numbers: [11250] 11250,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[72, 143], Operations: ['1+71=72', '53+90=143'] Exploring Operation: 143-72=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 72+143=215, Resulting Numbers: [215] 215,73 unequal: No Solution Exploring Operation: 72*143=10296, Resulting Numbers: [10296] 10296,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[90, 19], Operations: ['1+71=72', '72-53=19'] Exploring Operation: 90+19=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 90*19=1710, Resulting Numbers: [1710] 1710,73 unequal: No Solution Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[53, 18], Operations: ['1+71=72', '90-72=18'] Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 53+18=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 53*18=954, Resulting Numbers: [954] 954,73 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: 73:[71, 90, 54], Operations: ['53+1=54'] Exploring Operation: 90+54=144, Resulting Numbers: [71, 144] Generated Node #0,4,0: 73:[71, 144] Operation: 90+54=144 Exploring Operation: 90-71=19, Resulting Numbers: [54, 19] Generated Node #0,4,1: 73:[54, 19] Operation: 90-71=19 Exploring Operation: 71+54=125, Resulting Numbers: [90, 125] Generated Node #0,4,2: 73:[90, 125] Operation: 71+54=125 Exploring Operation: 90-54=36, Resulting Numbers: [71, 36] Generated Node #0,4,3: 73:[71, 36] Operation: 90-54=36 Exploring Operation: 71-54=17, Resulting Numbers: [90, 17] Generated Node #0,4,4: 73:[90, 17] Operation: 71-54=17 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 73:[71, 36], Operations: ['53+1=54', '90-54=36'] Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[90, 125], Operations: ['53+1=54', '71+54=125'] Exploring Operation: 90*125=11250, Resulting Numbers: [11250] 11250,73 unequal: No Solution Exploring Operation: 90+125=215, Resulting Numbers: [215] 215,73 unequal: No Solution Exploring Operation: 125-90=35, Resulting Numbers: [35] 35,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 73:[71, 144], Operations: ['53+1=54', '90+54=144'] Exploring Operation: 71*144=10224, Resulting Numbers: [10224] 10224,73 unequal: No Solution Exploring Operation: 71+144=215, Resulting Numbers: [215] 215,73 unequal: No Solution Exploring Operation: 144-71=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[53, 1, 71, 90], Operations: [] Exploring Operation: 53+1=54, Resulting Numbers: [71, 90, 54] Generated Node #0,4: 73:[71, 90, 54] Operation: 53+1=54 Moving to Node #0,4 Current State: 73:[71, 90, 54], Operations: ['53+1=54'] Exploring Operation: 90+54=144, Resulting Numbers: [71, 144] Generated Node #0,4,0: 73:[71, 144] Operation: 90+54=144 Moving to Node #0,4,0 Current State: 73:[71, 144], Operations: ['53+1=54', '90+54=144'] Exploring Operation: 144-71=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 31, 50, 65, 4 ]
42
[ "50-31=19", "65-4=61", "61-19=42" ]
Current State: 42:[31, 50, 65, 4], Operations: [] Exploring Operation: 50-31=19, Resulting Numbers: [65, 4, 19] Generated Node #2: [65, 4, 19] from Operation: 50-31=19 Current State: 42:[65, 4, 19], Operations: ['50-31=19'] Exploring Operation: 65-4=61, Resulting Numbers: [19, 61] Generated Node #3: [19, 61] from Operation: 65-4=61 Current State: 42:[19, 61], Operations: ['50-31=19', '65-4=61'] Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[31, 50, 65, 4], Operations: [] Exploring Operation: 65-50=15, Resulting Numbers: [31, 4, 15] Generated Node #0,0: 42:[31, 4, 15] Operation: 65-50=15 Exploring Operation: 65-31=34, Resulting Numbers: [50, 4, 34] Generated Node #0,1: 42:[50, 4, 34] Operation: 65-31=34 Exploring Operation: 50-31=19, Resulting Numbers: [65, 4, 19] Generated Node #0,2: 42:[65, 4, 19] Operation: 50-31=19 Moving to Node #0,0 Current State: 42:[31, 4, 15], Operations: ['65-50=15'] Exploring Operation: 31+15=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 42:[4, 46] Operation: 31+15=46 Exploring Operation: 31-4=27, Resulting Numbers: [15, 27] Generated Node #0,0,1: 42:[15, 27] Operation: 31-4=27 Exploring Operation: 31-15=16, Resulting Numbers: [4, 16] Generated Node #0,0,2: 42:[4, 16] Operation: 31-15=16 Moving to Node #0,1 Current State: 42:[50, 4, 34], Operations: ['65-31=34'] Exploring Operation: 4+34=38, Resulting Numbers: [50, 38] Generated Node #0,1,0: 42:[50, 38] Operation: 4+34=38 Exploring Operation: 50-34=16, Resulting Numbers: [4, 16] Generated Node #0,1,1: 42:[4, 16] Operation: 50-34=16 Exploring Operation: 50-4=46, Resulting Numbers: [34, 46] Generated Node #0,1,2: 42:[34, 46] Operation: 50-4=46 Moving to Node #0,2 Current State: 42:[65, 4, 19], Operations: ['50-31=19'] Exploring Operation: 65-19=46, Resulting Numbers: [4, 46] Generated Node #0,2,0: 42:[4, 46] Operation: 65-19=46 Exploring Operation: 65-4=61, Resulting Numbers: [19, 61] Generated Node #0,2,1: 42:[19, 61] Operation: 65-4=61 Exploring Operation: 19-4=15, Resulting Numbers: [65, 15] Generated Node #0,2,2: 42:[65, 15] Operation: 19-4=15 Moving to Node #0,0,2 Current State: 42:[4, 16], Operations: ['65-50=15', '31-15=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[4, 16], Operations: ['65-31=34', '50-34=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[4, 46], Operations: ['50-31=19', '65-19=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[31, 50, 65, 4], Operations: [] Exploring Operation: 50-31=19, Resulting Numbers: [65, 4, 19] Generated Node #0,2: 42:[65, 4, 19] Operation: 50-31=19 Moving to Node #0,2 Current State: 42:[65, 4, 19], Operations: ['50-31=19'] Exploring Operation: 65-19=46, Resulting Numbers: [4, 46] Generated Node #0,2,0: 42:[4, 46] Operation: 65-19=46 Moving to Node #0,2,0 Current State: 42:[4, 46], Operations: ['50-31=19', '65-19=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.980035
hs_3
sum_heuristic
[ 33, 37, 28, 76 ]
52
[ "37-33=4", "76-28=48", "4+48=52" ]
Current State: 52:[33, 37, 28, 76], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [28, 76, 4] Generated Node #2: [28, 76, 4] from Operation: 37-33=4 Current State: 52:[28, 76, 4], Operations: ['37-33=4'] Exploring Operation: 76-28=48, Resulting Numbers: [4, 48] Generated Node #3: [4, 48] from Operation: 76-28=48 Current State: 52:[4, 48], Operations: ['37-33=4', '76-28=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[33, 37, 28, 76], Operations: [] Exploring Operation: 76-37=39, Resulting Numbers: [33, 28, 39] Generated Node #0,0: 52:[33, 28, 39] Operation: 76-37=39 Exploring Operation: 76-33=43, Resulting Numbers: [37, 28, 43] Generated Node #0,1: 52:[37, 28, 43] Operation: 76-33=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[33, 28, 39], Operations: ['76-37=39'] Exploring Operation: 39-28=11, Resulting Numbers: [33, 11] Generated Node #0,0,0: 52:[33, 11] Operation: 39-28=11 Exploring Operation: 39-33=6, Resulting Numbers: [28, 6] Generated Node #0,0,1: 52:[28, 6] Operation: 39-33=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[28, 6], Operations: ['76-37=39', '39-33=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,52 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:[33, 11], Operations: ['76-37=39', '39-28=11'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,52 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:[37, 28, 43], Operations: ['76-33=43'] Exploring Operation: 43-37=6, Resulting Numbers: [28, 6] Generated Node #0,1,0: 52:[28, 6] Operation: 43-37=6 Exploring Operation: 37-28=9, Resulting Numbers: [43, 9] Generated Node #0,1,1: 52:[43, 9] Operation: 37-28=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[28, 6], Operations: ['76-33=43', '43-37=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,52 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,52 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:[43, 9], Operations: ['76-33=43', '37-28=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[33, 37, 28, 76], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [37, 28, 43] Generated Node #0,1: 52:[37, 28, 43] Operation: 76-33=43 Moving to Node #0,1 Current State: 52:[37, 28, 43], Operations: ['76-33=43'] Exploring Operation: 37-28=9, Resulting Numbers: [43, 9] Generated Node #0,1,1: 52:[43, 9] Operation: 37-28=9 Moving to Node #0,1,1 Current State: 52:[43, 9], Operations: ['76-33=43', '37-28=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 88, 89, 31, 91 ]
40
[ "91-88=3", "89+31=120", "120/3=40" ]
Current State: 40:[88, 89, 31, 91], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [89, 31, 3] Generated Node #2: [89, 31, 3] from Operation: 91-88=3 Current State: 40:[89, 31, 3], Operations: ['91-88=3'] Exploring Operation: 89+31=120, Resulting Numbers: [3, 120] Generated Node #3: [3, 120] from Operation: 89+31=120 Current State: 40:[3, 120], Operations: ['91-88=3', '89+31=120'] Exploring Operation: 120/3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[88, 89, 31, 91], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [88, 31, 2] Generated Node #0,0: 40:[88, 31, 2] Operation: 91-89=2 Exploring Operation: 89-31=58, Resulting Numbers: [88, 91, 58] Generated Node #0,1: 40:[88, 91, 58] Operation: 89-31=58 Exploring Operation: 88-31=57, Resulting Numbers: [89, 91, 57] Generated Node #0,2: 40:[89, 91, 57] Operation: 88-31=57 Exploring Operation: 91-88=3, Resulting Numbers: [89, 31, 3] Generated Node #0,3: 40:[89, 31, 3] Operation: 91-88=3 Exploring Operation: 89-88=1, Resulting Numbers: [31, 91, 1] Generated Node #0,4: 40:[31, 91, 1] Operation: 89-88=1 Moving to Node #0,0 Current State: 40:[88, 31, 2], Operations: ['91-89=2'] Exploring Operation: 31-2=29, Resulting Numbers: [88, 29] Generated Node #0,0,0: 40:[88, 29] Operation: 31-2=29 Exploring Operation: 88-2=86, Resulting Numbers: [31, 86] Generated Node #0,0,1: 40:[31, 86] Operation: 88-2=86 Exploring Operation: 88-31=57, Resulting Numbers: [2, 57] Generated Node #0,0,2: 40:[2, 57] Operation: 88-31=57 Exploring Operation: 88/2=44, Resulting Numbers: [31, 44] Generated Node #0,0,3: 40:[31, 44] Operation: 88/2=44 Exploring Operation: 31+2=33, Resulting Numbers: [88, 33] Generated Node #0,0,4: 40:[88, 33] Operation: 31+2=33 Moving to Node #0,3 Current State: 40:[89, 31, 3], Operations: ['91-88=3'] Exploring Operation: 31+3=34, Resulting Numbers: [89, 34] Generated Node #0,3,0: 40:[89, 34] Operation: 31+3=34 Exploring Operation: 89-31=58, Resulting Numbers: [3, 58] Generated Node #0,3,1: 40:[3, 58] Operation: 89-31=58 Exploring Operation: 31-3=28, Resulting Numbers: [89, 28] Generated Node #0,3,2: 40:[89, 28] Operation: 31-3=28 Exploring Operation: 89+3=92, Resulting Numbers: [31, 92] Generated Node #0,3,3: 40:[31, 92] Operation: 89+3=92 Exploring Operation: 89-3=86, Resulting Numbers: [31, 86] Generated Node #0,3,4: 40:[31, 86] Operation: 89-3=86 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 40:[3, 58], Operations: ['91-88=3', '89-31=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,40 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,40 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 #0,3,0 Current State: 40:[89, 34], Operations: ['91-88=3', '31+3=34'] Exploring Operation: 89-34=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 89*34=3026, Resulting Numbers: [3026] 3026,40 unequal: No Solution Exploring Operation: 89+34=123, Resulting Numbers: [123] 123,40 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 #0,3,4 Current State: 40:[31, 86], Operations: ['91-88=3', '89-3=86'] Exploring Operation: 31+86=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 31*86=2666, Resulting Numbers: [2666] 2666,40 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 #0,3,2 Current State: 40:[89, 28], Operations: ['91-88=3', '31-3=28'] Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 89+28=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 89*28=2492, Resulting Numbers: [2492] 2492,40 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 #0,3,3 Current State: 40:[31, 92], Operations: ['91-88=3', '89+3=92'] Exploring Operation: 31+92=123, Resulting Numbers: [123] 123,40 unequal: No Solution Exploring Operation: 31*92=2852, Resulting Numbers: [2852] 2852,40 unequal: No Solution Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,40 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: 40:[31, 91, 1], Operations: ['89-88=1'] Exploring Operation: 31+1=32, Resulting Numbers: [91, 32] Generated Node #0,4,0: 40:[91, 32] Operation: 31+1=32 Exploring Operation: 31/1=31, Resulting Numbers: [91, 31] Generated Node #0,4,1: 40:[91, 31] Operation: 31/1=31 Exploring Operation: 91-1=90, Resulting Numbers: [31, 90] Generated Node #0,4,2: 40:[31, 90] Operation: 91-1=90 Exploring Operation: 91-31=60, Resulting Numbers: [1, 60] Generated Node #0,4,3: 40:[1, 60] Operation: 91-31=60 Exploring Operation: 31*1=31, Resulting Numbers: [91, 31] Generated Node #0,4,4: 40:[91, 31] Operation: 31*1=31 Moving to Node #0,1 Current State: 40:[88, 91, 58], Operations: ['89-31=58'] Exploring Operation: 91-58=33, Resulting Numbers: [88, 33] Generated Node #0,1,0: 40:[88, 33] Operation: 91-58=33 Exploring Operation: 88-58=30, Resulting Numbers: [91, 30] Generated Node #0,1,1: 40:[91, 30] Operation: 88-58=30 Exploring Operation: 88+58=146, Resulting Numbers: [91, 146] Generated Node #0,1,2: 40:[91, 146] Operation: 88+58=146 Exploring Operation: 88+91=179, Resulting Numbers: [58, 179] Generated Node #0,1,3: 40:[58, 179] Operation: 88+91=179 Exploring Operation: 91-88=3, Resulting Numbers: [58, 3] Generated Node #0,1,4: 40:[58, 3] Operation: 91-88=3 Moving to Node #0,2 Current State: 40:[89, 91, 57], Operations: ['88-31=57'] Exploring Operation: 89-57=32, Resulting Numbers: [91, 32] Generated Node #0,2,0: 40:[91, 32] Operation: 89-57=32 Exploring Operation: 89+91=180, Resulting Numbers: [57, 180] Generated Node #0,2,1: 40:[57, 180] Operation: 89+91=180 Exploring Operation: 89+57=146, Resulting Numbers: [91, 146] Generated Node #0,2,2: 40:[91, 146] Operation: 89+57=146 Exploring Operation: 91-89=2, Resulting Numbers: [57, 2] Generated Node #0,2,3: 40:[57, 2] Operation: 91-89=2 Exploring Operation: 91-57=34, Resulting Numbers: [89, 34] Generated Node #0,2,4: 40:[89, 34] Operation: 91-57=34 Moving to Node #0,0,3 Current State: 40:[31, 44], Operations: ['91-89=2', '88/2=44'] Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 31*44=1364, Resulting Numbers: [1364] 1364,40 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[2, 57], Operations: ['91-89=2', '88-31=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,40 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[57, 2], Operations: ['88-31=57', '91-89=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,40 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,40 unequal: No Solution Moving to Node #0,1,4 Current State: 40:[58, 3], Operations: ['89-31=58', '91-88=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,40 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,40 unequal: No Solution Moving to Node #0,4,3 Current State: 40:[1, 60], Operations: ['89-88=1', '91-31=60'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,40 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[31, 86], Operations: ['91-89=2', '88-2=86'] Exploring Operation: 31*86=2666, Resulting Numbers: [2666] 2666,40 unequal: No Solution Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 31+86=117, Resulting Numbers: [117] 117,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[88, 33], Operations: ['89-31=58', '91-58=33'] Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,40 unequal: No Solution Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,40 unequal: No Solution Moving to Node #0,0,4 Current State: 40:[88, 33], Operations: ['91-89=2', '31+2=33'] Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,40 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,40 unequal: No Solution Moving to Node #0,2,4 Current State: 40:[89, 34], Operations: ['88-31=57', '91-57=34'] Exploring Operation: 89*34=3026, Resulting Numbers: [3026] 3026,40 unequal: No Solution Exploring Operation: 89+34=123, Resulting Numbers: [123] 123,40 unequal: No Solution Exploring Operation: 89-34=55, Resulting Numbers: [55] 55,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[88, 29], Operations: ['91-89=2', '31-2=29'] Exploring Operation: 88*29=2552, Resulting Numbers: [2552] 2552,40 unequal: No Solution Exploring Operation: 88+29=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,40 unequal: No Solution Moving to Node #0,4,0 Current State: 40:[91, 32], Operations: ['89-88=1', '31+1=32'] Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,40 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,40 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[91, 32], Operations: ['88-31=57', '89-57=32'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,40 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,40 unequal: No Solution Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,40 unequal: No Solution Moving to Node #0,4,2 Current State: 40:[31, 90], Operations: ['89-88=1', '91-1=90'] Exploring Operation: 31+90=121, Resulting Numbers: [121] 121,40 unequal: No Solution Exploring Operation: 31*90=2790, Resulting Numbers: [2790] 2790,40 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,40 unequal: No Solution Moving to Node #0,4,1 Current State: 40:[91, 31], Operations: ['89-88=1', '31/1=31'] Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,40 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,40 unequal: No Solution Moving to Node #0,4,4 Current State: 40:[91, 31], Operations: ['89-88=1', '31*1=31'] Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,40 unequal: No Solution Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,40 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[91, 30], Operations: ['89-31=58', '88-58=30'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,40 unequal: No Solution Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[91, 146], Operations: ['89-31=58', '88+58=146'] Exploring Operation: 91+146=237, Resulting Numbers: [237] 237,40 unequal: No Solution Exploring Operation: 91*146=13286, Resulting Numbers: [13286] 13286,40 unequal: No Solution Exploring Operation: 146-91=55, Resulting Numbers: [55] 55,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[57, 180], Operations: ['88-31=57', '89+91=180'] Exploring Operation: 57+180=237, Resulting Numbers: [237] 237,40 unequal: No Solution Exploring Operation: 180-57=123, Resulting Numbers: [123] 123,40 unequal: No Solution Exploring Operation: 57*180=10260, Resulting Numbers: [10260] 10260,40 unequal: No Solution Moving to Node #0,1,3 Current State: 40:[58, 179], Operations: ['89-31=58', '88+91=179'] Exploring Operation: 58+179=237, Resulting Numbers: [237] 237,40 unequal: No Solution Exploring Operation: 58*179=10382, Resulting Numbers: [10382] 10382,40 unequal: No Solution Exploring Operation: 179-58=121, Resulting Numbers: [121] 121,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[91, 146], Operations: ['88-31=57', '89+57=146'] Exploring Operation: 91*146=13286, Resulting Numbers: [13286] 13286,40 unequal: No Solution Exploring Operation: 146-91=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 91+146=237, Resulting Numbers: [237] 237,40 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 53, 66, 80, 61 ]
76
[ "61-53=8", "80/8=10", "66+10=76" ]
Current State: 76:[53, 66, 80, 61], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [66, 80, 8] Generated Node #2: [66, 80, 8] from Operation: 61-53=8 Current State: 76:[66, 80, 8], Operations: ['61-53=8'] Exploring Operation: 80/8=10, Resulting Numbers: [66, 10] Generated Node #3: [66, 10] from Operation: 80/8=10 Current State: 76:[66, 10], Operations: ['61-53=8', '80/8=10'] Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[53, 66, 80, 61], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [66, 80, 8] Generated Node #0,0: 76:[66, 80, 8] Operation: 61-53=8 Exploring Operation: 66-61=5, Resulting Numbers: [53, 80, 5] Generated Node #0,1: 76:[53, 80, 5] Operation: 66-61=5 Exploring Operation: 66-53=13, Resulting Numbers: [80, 61, 13] Generated Node #0,2: 76:[80, 61, 13] Operation: 66-53=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[66, 80, 8], Operations: ['61-53=8'] Exploring Operation: 80-66=14, Resulting Numbers: [8, 14] Generated Node #0,0,0: 76:[8, 14] Operation: 80-66=14 Exploring Operation: 66+8=74, Resulting Numbers: [80, 74] Generated Node #0,0,1: 76:[80, 74] Operation: 66+8=74 Exploring Operation: 80-8=72, Resulting Numbers: [66, 72] Generated Node #0,0,2: 76:[66, 72] Operation: 80-8=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[80, 74], Operations: ['61-53=8', '66+8=74'] Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[8, 14], Operations: ['61-53=8', '80-66=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[66, 72], Operations: ['61-53=8', '80-8=72'] Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,76 unequal: No Solution Exploring Operation: 66*72=4752, Resulting Numbers: [4752] 4752,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[53, 80, 5], Operations: ['66-61=5'] Exploring Operation: 53-5=48, Resulting Numbers: [80, 48] Generated Node #0,1,0: 76:[80, 48] Operation: 53-5=48 Exploring Operation: 80-5=75, Resulting Numbers: [53, 75] Generated Node #0,1,1: 76:[53, 75] Operation: 80-5=75 Exploring Operation: 80-53=27, Resulting Numbers: [5, 27] Generated Node #0,1,2: 76:[5, 27] Operation: 80-53=27 Moving to Node #0,1,2 Current State: 76:[5, 27], Operations: ['66-61=5', '80-53=27'] Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,76 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[80, 48], Operations: ['66-61=5', '53-5=48'] Exploring Operation: 80+48=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 80-48=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 80*48=3840, Resulting Numbers: [3840] 3840,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[53, 75], Operations: ['66-61=5', '80-5=75'] Exploring Operation: 53+75=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 53*75=3975, Resulting Numbers: [3975] 3975,76 unequal: No Solution Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,76 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 Current State: 76:[80, 61, 13], Operations: ['66-53=13'] Exploring Operation: 61-13=48, Resulting Numbers: [80, 48] Generated Node #0,2,0: 76:[80, 48] Operation: 61-13=48 Exploring Operation: 80-61=19, Resulting Numbers: [13, 19] Generated Node #0,2,1: 76:[13, 19] Operation: 80-61=19 Exploring Operation: 61+13=74, Resulting Numbers: [80, 74] Generated Node #0,2,2: 76:[80, 74] Operation: 61+13=74 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[13, 19], Operations: ['66-53=13', '80-61=19'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,76 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[80, 74], Operations: ['66-53=13', '61+13=74'] Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[80, 48], Operations: ['66-53=13', '61-13=48'] Exploring Operation: 80+48=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 80*48=3840, Resulting Numbers: [3840] 3840,76 unequal: No Solution Exploring Operation: 80-48=32, Resulting Numbers: [32] 32,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 12, 13, 83, 41 ]
67
[ "12+13=25", "83-41=42", "25+42=67" ]
Current State: 67:[12, 13, 83, 41], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [83, 41, 25] Generated Node #2: [83, 41, 25] from Operation: 12+13=25 Current State: 67:[83, 41, 25], Operations: ['12+13=25'] Exploring Operation: 83-41=42, Resulting Numbers: [25, 42] Generated Node #3: [25, 42] from Operation: 83-41=42 Current State: 67:[25, 42], Operations: ['12+13=25', '83-41=42'] Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[12, 13, 83, 41], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [13, 41, 71] Generated Node #0,0: 67:[13, 41, 71] Operation: 83-12=71 Exploring Operation: 12+13=25, Resulting Numbers: [83, 41, 25] Generated Node #0,1: 67:[83, 41, 25] Operation: 12+13=25 Exploring Operation: 83-13=70, Resulting Numbers: [12, 41, 70] Generated Node #0,2: 67:[12, 41, 70] Operation: 83-13=70 Exploring Operation: 12+41=53, Resulting Numbers: [13, 83, 53] Generated Node #0,3: 67:[13, 83, 53] Operation: 12+41=53 Exploring Operation: 13+41=54, Resulting Numbers: [12, 83, 54] Generated Node #0,4: 67:[12, 83, 54] Operation: 13+41=54 Moving to Node #0,0 Current State: 67:[13, 41, 71], Operations: ['83-12=71'] Exploring Operation: 41-13=28, Resulting Numbers: [71, 28] Generated Node #0,0,0: 67:[71, 28] Operation: 41-13=28 Exploring Operation: 71-13=58, Resulting Numbers: [41, 58] Generated Node #0,0,1: 67:[41, 58] Operation: 71-13=58 Exploring Operation: 71-41=30, Resulting Numbers: [13, 30] Generated Node #0,0,2: 67:[13, 30] Operation: 71-41=30 Exploring Operation: 13+71=84, Resulting Numbers: [41, 84] Generated Node #0,0,3: 67:[41, 84] Operation: 13+71=84 Exploring Operation: 13+41=54, Resulting Numbers: [71, 54] Generated Node #0,0,4: 67:[71, 54] Operation: 13+41=54 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 67:[71, 54], Operations: ['83-12=71', '13+41=54'] Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,67 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:[41, 58], Operations: ['83-12=71', '71-13=58'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,67 unequal: No Solution Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,67 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:[71, 28], Operations: ['83-12=71', '41-13=28'] Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,67 unequal: No Solution Exploring Operation: 71*28=1988, Resulting Numbers: [1988] 1988,67 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:[41, 84], Operations: ['83-12=71', '13+71=84'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,67 unequal: No Solution Exploring Operation: 41+84=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 41*84=3444, Resulting Numbers: [3444] 3444,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[13, 30], Operations: ['83-12=71', '71-41=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,67 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,67 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: 67:[12, 41, 70], Operations: ['83-13=70'] Exploring Operation: 12+70=82, Resulting Numbers: [41, 82] Generated Node #0,2,0: 67:[41, 82] Operation: 12+70=82 Exploring Operation: 70-41=29, Resulting Numbers: [12, 29] Generated Node #0,2,1: 67:[12, 29] Operation: 70-41=29 Exploring Operation: 70-12=58, Resulting Numbers: [41, 58] Generated Node #0,2,2: 67:[41, 58] Operation: 70-12=58 Exploring Operation: 41-12=29, Resulting Numbers: [70, 29] Generated Node #0,2,3: 67:[70, 29] Operation: 41-12=29 Exploring Operation: 12+41=53, Resulting Numbers: [70, 53] Generated Node #0,2,4: 67:[70, 53] Operation: 12+41=53 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[70, 53], Operations: ['83-13=70', '12+41=53'] Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[41, 58], Operations: ['83-13=70', '70-12=58'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,67 unequal: No Solution Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[41, 82], Operations: ['83-13=70', '12+70=82'] Exploring Operation: 41+82=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 41*82=3362, Resulting Numbers: [3362] 3362,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[70, 29], Operations: ['83-13=70', '41-12=29'] Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,67 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[12, 29], Operations: ['83-13=70', '70-41=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,67 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: 67:[12, 83, 54], Operations: ['13+41=54'] Exploring Operation: 54-12=42, Resulting Numbers: [83, 42] Generated Node #0,4,0: 67:[83, 42] Operation: 54-12=42 Exploring Operation: 83-54=29, Resulting Numbers: [12, 29] Generated Node #0,4,1: 67:[12, 29] Operation: 83-54=29 Exploring Operation: 83-12=71, Resulting Numbers: [54, 71] Generated Node #0,4,2: 67:[54, 71] Operation: 83-12=71 Exploring Operation: 12+54=66, Resulting Numbers: [83, 66] Generated Node #0,4,3: 67:[83, 66] Operation: 12+54=66 Exploring Operation: 12+83=95, Resulting Numbers: [54, 95] Generated Node #0,4,4: 67:[54, 95] Operation: 12+83=95 Moving to Node #0,1 Current State: 67:[83, 41, 25], Operations: ['12+13=25'] Exploring Operation: 41-25=16, Resulting Numbers: [83, 16] Generated Node #0,1,0: 67:[83, 16] Operation: 41-25=16 Exploring Operation: 41+25=66, Resulting Numbers: [83, 66] Generated Node #0,1,1: 67:[83, 66] Operation: 41+25=66 Exploring Operation: 83-25=58, Resulting Numbers: [41, 58] Generated Node #0,1,2: 67:[41, 58] Operation: 83-25=58 Exploring Operation: 83-41=42, Resulting Numbers: [25, 42] Generated Node #0,1,3: 67:[25, 42] Operation: 83-41=42 Exploring Operation: 83+25=108, Resulting Numbers: [41, 108] Generated Node #0,1,4: 67:[41, 108] Operation: 83+25=108 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[83, 66], Operations: ['12+13=25', '41+25=66'] Exploring Operation: 83*66=5478, Resulting Numbers: [5478] 5478,67 unequal: No Solution Exploring Operation: 83+66=149, Resulting Numbers: [149] 149,67 unequal: No Solution Exploring Operation: 83-66=17, Resulting Numbers: [17] 17,67 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:[41, 58], Operations: ['12+13=25', '83-25=58'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,67 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 #0,1,0 Current State: 67:[83, 16], Operations: ['12+13=25', '41-25=16'] Exploring Operation: 83*16=1328, Resulting Numbers: [1328] 1328,67 unequal: No Solution Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[12, 13, 83, 41], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [83, 41, 25] Generated Node #0,1: 67:[83, 41, 25] Operation: 12+13=25 Moving to Node #0,1 Current State: 67:[83, 41, 25], Operations: ['12+13=25'] Exploring Operation: 41-25=16, Resulting Numbers: [83, 16] Generated Node #0,1,0: 67:[83, 16] Operation: 41-25=16 Moving to Node #0,1,0 Current State: 67:[83, 16], Operations: ['12+13=25', '41-25=16'] Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_5
mult_heuristic
[ 25, 5, 61, 17 ]
64
[ "25-5=20", "61-17=44", "20+44=64" ]
Current State: 64:[25, 5, 61, 17], Operations: [] Exploring Operation: 25-5=20, Resulting Numbers: [61, 17, 20] Generated Node #2: [61, 17, 20] from Operation: 25-5=20 Current State: 64:[61, 17, 20], Operations: ['25-5=20'] Exploring Operation: 61-17=44, Resulting Numbers: [20, 44] Generated Node #3: [20, 44] from Operation: 61-17=44 Current State: 64:[20, 44], Operations: ['25-5=20', '61-17=44'] Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[25, 5, 61, 17], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [5, 61, 8] Generated Node #0,0: 64:[5, 61, 8] Operation: 25-17=8 Moving to Node #0,0 Current State: 64:[5, 61, 8], Operations: ['25-17=8'] Exploring Operation: 5+61=66, Resulting Numbers: [8, 66] Generated Node #0,0,0: 64:[8, 66] Operation: 5+61=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[8, 66], Operations: ['25-17=8', '5+61=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,64 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
[ 42, 17, 46, 14 ]
91
[ "42+17=59", "46-14=32", "59+32=91" ]
Current State: 91:[42, 17, 46, 14], Operations: [] Exploring Operation: 42+17=59, Resulting Numbers: [46, 14, 59] Generated Node #2: [46, 14, 59] from Operation: 42+17=59 Current State: 91:[46, 14, 59], Operations: ['42+17=59'] Exploring Operation: 46-14=32, Resulting Numbers: [59, 32] Generated Node #3: [59, 32] from Operation: 46-14=32 Current State: 91:[59, 32], Operations: ['42+17=59', '46-14=32'] Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[42, 17, 46, 14], Operations: [] Exploring Operation: 42+46=88, Resulting Numbers: [17, 14, 88] Generated Node #0,0: 91:[17, 14, 88] Operation: 42+46=88 Exploring Operation: 46-42=4, Resulting Numbers: [17, 14, 4] Generated Node #0,1: 91:[17, 14, 4] Operation: 46-42=4 Moving to Node #0,0 Current State: 91:[17, 14, 88], Operations: ['42+46=88'] Exploring Operation: 17+88=105, Resulting Numbers: [14, 105] Generated Node #0,0,0: 91:[14, 105] Operation: 17+88=105 Exploring Operation: 17-14=3, Resulting Numbers: [88, 3] Generated Node #0,0,1: 91:[88, 3] Operation: 17-14=3 Moving to Node #0,1 Current State: 91:[17, 14, 4], Operations: ['46-42=4'] Exploring Operation: 17-4=13, Resulting Numbers: [14, 13] Generated Node #0,1,0: 91:[14, 13] Operation: 17-4=13 Exploring Operation: 17-14=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 91:[4, 3] Operation: 17-14=3 Moving to Node #0,1,0 Current State: 91:[14, 13], Operations: ['46-42=4', '17-4=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[88, 3], Operations: ['42+46=88', '17-14=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[42, 17, 46, 14], Operations: [] Exploring Operation: 42+46=88, Resulting Numbers: [17, 14, 88] Generated Node #0,0: 91:[17, 14, 88] Operation: 42+46=88 Moving to Node #0,0 Current State: 91:[17, 14, 88], Operations: ['42+46=88'] Exploring Operation: 17-14=3, Resulting Numbers: [88, 3] Generated Node #0,0,1: 91:[88, 3] Operation: 17-14=3 Moving to Node #0,0,1 Current State: 91:[88, 3], Operations: ['42+46=88', '17-14=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 94, 86, 46, 5 ]
33
[ "94-86=8", "46-5=41", "41-8=33" ]
Current State: 33:[94, 86, 46, 5], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [46, 5, 8] Generated Node #2: [46, 5, 8] from Operation: 94-86=8 Current State: 33:[46, 5, 8], Operations: ['94-86=8'] Exploring Operation: 46-5=41, Resulting Numbers: [8, 41] Generated Node #3: [8, 41] from Operation: 46-5=41 Current State: 33:[8, 41], Operations: ['94-86=8', '46-5=41'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[94, 86, 46, 5], Operations: [] Exploring Operation: 94-46=48, Resulting Numbers: [86, 5, 48] Generated Node #0,0: 33:[86, 5, 48] Operation: 94-46=48 Exploring Operation: 94-86=8, Resulting Numbers: [46, 5, 8] Generated Node #0,1: 33:[46, 5, 8] Operation: 94-86=8 Moving to Node #0,1 Current State: 33:[46, 5, 8], Operations: ['94-86=8'] Exploring Operation: 46-5=41, Resulting Numbers: [8, 41] Generated Node #0,1,0: 33:[8, 41] Operation: 46-5=41 Exploring Operation: 46-8=38, Resulting Numbers: [5, 38] Generated Node #0,1,1: 33:[5, 38] Operation: 46-8=38 Moving to Node #0,0 Current State: 33:[86, 5, 48], Operations: ['94-46=48'] Exploring Operation: 86-5=81, Resulting Numbers: [48, 81] Generated Node #0,0,0: 33:[48, 81] Operation: 86-5=81 Exploring Operation: 86-48=38, Resulting Numbers: [5, 38] Generated Node #0,0,1: 33:[5, 38] Operation: 86-48=38 Moving to Node #0,1,1 Current State: 33:[5, 38], Operations: ['94-86=8', '46-8=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[94, 86, 46, 5], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [46, 5, 8] Generated Node #0,1: 33:[46, 5, 8] Operation: 94-86=8 Moving to Node #0,1 Current State: 33:[46, 5, 8], Operations: ['94-86=8'] Exploring Operation: 46-8=38, Resulting Numbers: [5, 38] Generated Node #0,1,1: 33:[5, 38] Operation: 46-8=38 Moving to Node #0,1,1 Current State: 33:[5, 38], Operations: ['94-86=8', '46-8=38'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 82, 62, 3, 26 ]
94
[ "62-26=36", "36/3=12", "82+12=94" ]
Current State: 94:[82, 62, 3, 26], Operations: [] Exploring Operation: 62-26=36, Resulting Numbers: [82, 3, 36] Generated Node #2: [82, 3, 36] from Operation: 62-26=36 Current State: 94:[82, 3, 36], Operations: ['62-26=36'] Exploring Operation: 36/3=12, Resulting Numbers: [82, 12] Generated Node #3: [82, 12] from Operation: 36/3=12 Current State: 94:[82, 12], Operations: ['62-26=36', '36/3=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[82, 62, 3, 26], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [62, 3, 56] Generated Node #0,0: 94:[62, 3, 56] Operation: 82-26=56 Exploring Operation: 62-26=36, Resulting Numbers: [82, 3, 36] Generated Node #0,1: 94:[82, 3, 36] Operation: 62-26=36 Exploring Operation: 82+26=108, Resulting Numbers: [62, 3, 108] Generated Node #0,2: 94:[62, 3, 108] Operation: 82+26=108 Exploring Operation: 82-62=20, Resulting Numbers: [3, 26, 20] Generated Node #0,3: 94:[3, 26, 20] Operation: 82-62=20 Exploring Operation: 62+26=88, Resulting Numbers: [82, 3, 88] Generated Node #0,4: 94:[82, 3, 88] Operation: 62+26=88 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[82, 3, 88], Operations: ['62+26=88'] Exploring Operation: 88-3=85, Resulting Numbers: [82, 85] Generated Node #0,4,0: 94:[82, 85] Operation: 88-3=85 Exploring Operation: 3+88=91, Resulting Numbers: [82, 91] Generated Node #0,4,1: 94:[82, 91] Operation: 3+88=91 Exploring Operation: 88-82=6, Resulting Numbers: [3, 6] Generated Node #0,4,2: 94:[3, 6] Operation: 88-82=6 Exploring Operation: 82+3=85, Resulting Numbers: [88, 85] Generated Node #0,4,3: 94:[88, 85] Operation: 82+3=85 Exploring Operation: 82-3=79, Resulting Numbers: [88, 79] Generated Node #0,4,4: 94:[88, 79] Operation: 82-3=79 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[3, 6], Operations: ['62+26=88', '88-82=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 94:[82, 91], Operations: ['62+26=88', '3+88=91'] Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,94 unequal: No Solution Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,94 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 94:[88, 85], Operations: ['62+26=88', '82+3=85'] Exploring Operation: 88+85=173, Resulting Numbers: [173] 173,94 unequal: No Solution Exploring Operation: 88*85=7480, Resulting Numbers: [7480] 7480,94 unequal: No Solution Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 94:[82, 85], Operations: ['62+26=88', '88-3=85'] Exploring Operation: 82+85=167, Resulting Numbers: [167] 167,94 unequal: No Solution Exploring Operation: 82*85=6970, Resulting Numbers: [6970] 6970,94 unequal: No Solution Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 94:[88, 79], Operations: ['62+26=88', '82-3=79'] Exploring Operation: 88+79=167, Resulting Numbers: [167] 167,94 unequal: No Solution Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 88*79=6952, Resulting Numbers: [6952] 6952,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[82, 3, 36], Operations: ['62-26=36'] Exploring Operation: 3+36=39, Resulting Numbers: [82, 39] Generated Node #0,1,0: 94:[82, 39] Operation: 3+36=39 Exploring Operation: 82-36=46, Resulting Numbers: [3, 46] Generated Node #0,1,1: 94:[3, 46] Operation: 82-36=46 Exploring Operation: 82+36=118, Resulting Numbers: [3, 118] Generated Node #0,1,2: 94:[3, 118] Operation: 82+36=118 Exploring Operation: 36/3=12, Resulting Numbers: [82, 12] Generated Node #0,1,3: 94:[82, 12] Operation: 36/3=12 Exploring Operation: 82+3=85, Resulting Numbers: [36, 85] Generated Node #0,1,4: 94:[36, 85] Operation: 82+3=85 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[3, 46], Operations: ['62-26=36', '82-36=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[82, 39], Operations: ['62-26=36', '3+36=39'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 82*39=3198, Resulting Numbers: [3198] 3198,94 unequal: No Solution Exploring Operation: 82+39=121, Resulting Numbers: [121] 121,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 94:[36, 85], Operations: ['62-26=36', '82+3=85'] Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,94 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 94:[82, 12], Operations: ['62-26=36', '36/3=12'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,94 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,94 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[82, 62, 3, 26], Operations: [] Exploring Operation: 62-26=36, Resulting Numbers: [82, 3, 36] Generated Node #0,1: 94:[82, 3, 36] Operation: 62-26=36 Moving to Node #0,1 Current State: 94:[82, 3, 36], Operations: ['62-26=36'] Exploring Operation: 36/3=12, Resulting Numbers: [82, 12] Generated Node #0,1,3: 94:[82, 12] Operation: 36/3=12 Moving to Node #0,1,3 Current State: 94:[82, 12], Operations: ['62-26=36', '36/3=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 76, 5, 16, 36 ]
19
[ "76*5=380", "36-16=20", "380/20=19" ]
Current State: 19:[76, 5, 16, 36], Operations: [] Exploring Operation: 76*5=380, Resulting Numbers: [16, 36, 380] Generated Node #2: [16, 36, 380] from Operation: 76*5=380 Current State: 19:[16, 36, 380], Operations: ['76*5=380'] Exploring Operation: 36-16=20, Resulting Numbers: [380, 20] Generated Node #3: [380, 20] from Operation: 36-16=20 Current State: 19:[380, 20], Operations: ['76*5=380', '36-16=20'] Exploring Operation: 380/20=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[76, 5, 16, 36], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [76, 16, 31] Generated Node #0,0: 19:[76, 16, 31] Operation: 36-5=31 Exploring Operation: 76-16=60, Resulting Numbers: [5, 36, 60] Generated Node #0,1: 19:[5, 36, 60] Operation: 76-16=60 Exploring Operation: 76-36=40, Resulting Numbers: [5, 16, 40] Generated Node #0,2: 19:[5, 16, 40] Operation: 76-36=40 Exploring Operation: 76-5=71, Resulting Numbers: [16, 36, 71] Generated Node #0,3: 19:[16, 36, 71] Operation: 76-5=71 Moving to Node #0,2 Current State: 19:[5, 16, 40], Operations: ['76-36=40'] Exploring Operation: 40-5=35, Resulting Numbers: [16, 35] Generated Node #0,2,0: 19:[16, 35] Operation: 40-5=35 Exploring Operation: 5+16=21, Resulting Numbers: [40, 21] Generated Node #0,2,1: 19:[40, 21] Operation: 5+16=21 Exploring Operation: 40-16=24, Resulting Numbers: [5, 24] Generated Node #0,2,2: 19:[5, 24] Operation: 40-16=24 Exploring Operation: 40/5=8, Resulting Numbers: [16, 8] Generated Node #0,2,3: 19:[16, 8] Operation: 40/5=8 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[16, 8], Operations: ['76-36=40', '40/5=8'] Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,19 unequal: No Solution No 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: 19:[16, 35], Operations: ['76-36=40', '40-5=35'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[76, 5, 16, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [5, 16, 40] Generated Node #0,2: 19:[5, 16, 40] Operation: 76-36=40 Moving to Node #0,2 Current State: 19:[5, 16, 40], Operations: ['76-36=40'] Exploring Operation: 40-5=35, Resulting Numbers: [16, 35] Generated Node #0,2,0: 19:[16, 35] Operation: 40-5=35 Moving to Node #0,2,0 Current State: 19:[16, 35], Operations: ['76-36=40', '40-5=35'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 11, 14, 19, 78 ]
26
[ "11*78=858", "14+19=33", "858/33=26" ]
Current State: 26:[11, 14, 19, 78], Operations: [] Exploring Operation: 11*78=858, Resulting Numbers: [14, 19, 858] Generated Node #2: [14, 19, 858] from Operation: 11*78=858 Current State: 26:[14, 19, 858], Operations: ['11*78=858'] Exploring Operation: 14+19=33, Resulting Numbers: [858, 33] Generated Node #3: [858, 33] from Operation: 14+19=33 Current State: 26:[858, 33], Operations: ['11*78=858', '14+19=33'] Exploring Operation: 858/33=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[11, 14, 19, 78], Operations: [] Exploring Operation: 78-19=59, Resulting Numbers: [11, 14, 59] Generated Node #0,0: 26:[11, 14, 59] Operation: 78-19=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[11, 14, 59], Operations: ['78-19=59'] Exploring Operation: 59-14=45, Resulting Numbers: [11, 45] Generated Node #0,0,0: 26:[11, 45] Operation: 59-14=45 Moving to Node #0,0,0 Current State: 26:[11, 45], Operations: ['78-19=59', '59-14=45'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,26 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
[ 39, 87, 71, 37 ]
18
[ "39+87=126", "71+37=108", "126-108=18" ]
Current State: 18:[39, 87, 71, 37], Operations: [] Exploring Operation: 39+87=126, Resulting Numbers: [71, 37, 126] Generated Node #2: [71, 37, 126] from Operation: 39+87=126 Current State: 18:[71, 37, 126], Operations: ['39+87=126'] Exploring Operation: 71+37=108, Resulting Numbers: [126, 108] Generated Node #3: [126, 108] from Operation: 71+37=108 Current State: 18:[126, 108], Operations: ['39+87=126', '71+37=108'] Exploring Operation: 126-108=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[39, 87, 71, 37], Operations: [] Exploring Operation: 87-39=48, Resulting Numbers: [71, 37, 48] Generated Node #0,0: 18:[71, 37, 48] Operation: 87-39=48 Exploring Operation: 87-71=16, Resulting Numbers: [39, 37, 16] Generated Node #0,1: 18:[39, 37, 16] Operation: 87-71=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[39, 37, 16], Operations: ['87-71=16'] Exploring Operation: 39-37=2, Resulting Numbers: [16, 2] Generated Node #0,1,0: 18:[16, 2] Operation: 39-37=2 Exploring Operation: 39-16=23, Resulting Numbers: [37, 23] Generated Node #0,1,1: 18:[37, 23] Operation: 39-16=23 Moving to Node #0,1,0 Current State: 18:[16, 2], Operations: ['87-71=16', '39-37=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[39, 87, 71, 37], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [39, 37, 16] Generated Node #0,1: 18:[39, 37, 16] Operation: 87-71=16 Moving to Node #0,1 Current State: 18:[39, 37, 16], Operations: ['87-71=16'] Exploring Operation: 39-37=2, Resulting Numbers: [16, 2] Generated Node #0,1,0: 18:[16, 2] Operation: 39-37=2 Moving to Node #0,1,0 Current State: 18:[16, 2], Operations: ['87-71=16', '39-37=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 4, 80, 92, 25 ]
87
[ "80/4=20", "92-25=67", "20+67=87" ]
Current State: 87:[4, 80, 92, 25], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [92, 25, 20] Generated Node #2: [92, 25, 20] from Operation: 80/4=20 Current State: 87:[92, 25, 20], Operations: ['80/4=20'] Exploring Operation: 92-25=67, Resulting Numbers: [20, 67] Generated Node #3: [20, 67] from Operation: 92-25=67 Current State: 87:[20, 67], Operations: ['80/4=20', '92-25=67'] Exploring Operation: 20+67=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[4, 80, 92, 25], Operations: [] Exploring Operation: 4+80=84, Resulting Numbers: [92, 25, 84] Generated Node #0,0: 87:[92, 25, 84] Operation: 4+80=84 Exploring Operation: 92-4=88, Resulting Numbers: [80, 25, 88] Generated Node #0,1: 87:[80, 25, 88] Operation: 92-4=88 Exploring Operation: 4+25=29, Resulting Numbers: [80, 92, 29] Generated Node #0,2: 87:[80, 92, 29] Operation: 4+25=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[92, 25, 84], Operations: ['4+80=84'] Exploring Operation: 25+84=109, Resulting Numbers: [92, 109] Generated Node #0,0,0: 87:[92, 109] Operation: 25+84=109 Exploring Operation: 92-84=8, Resulting Numbers: [25, 8] Generated Node #0,0,1: 87:[25, 8] Operation: 92-84=8 Exploring Operation: 92-25=67, Resulting Numbers: [84, 67] Generated Node #0,0,2: 87:[84, 67] Operation: 92-25=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[25, 8], Operations: ['4+80=84', '92-84=8'] Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,87 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[84, 67], Operations: ['4+80=84', '92-25=67'] Exploring Operation: 84+67=151, Resulting Numbers: [151] 151,87 unequal: No Solution Exploring Operation: 84*67=5628, Resulting Numbers: [5628] 5628,87 unequal: No Solution Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[92, 109], Operations: ['4+80=84', '25+84=109'] Exploring Operation: 92+109=201, Resulting Numbers: [201] 201,87 unequal: No Solution Exploring Operation: 92*109=10028, Resulting Numbers: [10028] 10028,87 unequal: No Solution Exploring Operation: 109-92=17, Resulting Numbers: [17] 17,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[80, 25, 88], Operations: ['92-4=88'] Exploring Operation: 88-80=8, Resulting Numbers: [25, 8] Generated Node #0,1,0: 87:[25, 8] Operation: 88-80=8 Exploring Operation: 80-25=55, Resulting Numbers: [88, 55] Generated Node #0,1,1: 87:[88, 55] Operation: 80-25=55 Exploring Operation: 80+25=105, Resulting Numbers: [88, 105] Generated Node #0,1,2: 87:[88, 105] Operation: 80+25=105 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[25, 8], Operations: ['92-4=88', '88-80=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,87 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,87 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 #0,1,2 Current State: 87:[88, 105], Operations: ['92-4=88', '80+25=105'] Exploring Operation: 88+105=193, Resulting Numbers: [193] 193,87 unequal: No Solution Exploring Operation: 105-88=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 88*105=9240, Resulting Numbers: [9240] 9240,87 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 #0,1,1 Current State: 87:[88, 55], Operations: ['92-4=88', '80-25=55'] Exploring Operation: 88+55=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 88*55=4840, Resulting Numbers: [4840] 4840,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[80, 92, 29], Operations: ['4+25=29'] Exploring Operation: 80-29=51, Resulting Numbers: [92, 51] Generated Node #0,2,0: 87:[92, 51] Operation: 80-29=51 Exploring Operation: 80+29=109, Resulting Numbers: [92, 109] Generated Node #0,2,1: 87:[92, 109] Operation: 80+29=109 Exploring Operation: 92-80=12, Resulting Numbers: [29, 12] Generated Node #0,2,2: 87:[29, 12] Operation: 92-80=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[29, 12], Operations: ['4+25=29', '92-80=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,87 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:[92, 51], Operations: ['4+25=29', '80-29=51'] Exploring Operation: 92*51=4692, Resulting Numbers: [4692] 4692,87 unequal: No Solution Exploring Operation: 92+51=143, Resulting Numbers: [143] 143,87 unequal: No Solution Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,87 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 #0,2,1 Current State: 87:[92, 109], Operations: ['4+25=29', '80+29=109'] Exploring Operation: 92+109=201, Resulting Numbers: [201] 201,87 unequal: No Solution Exploring Operation: 92*109=10028, Resulting Numbers: [10028] 10028,87 unequal: No Solution Exploring Operation: 109-92=17, Resulting Numbers: [17] 17,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 82, 12, 41, 68 ]
39
[ "82-12=70", "41+68=109", "109-70=39" ]
Current State: 39:[82, 12, 41, 68], Operations: [] Exploring Operation: 82-12=70, Resulting Numbers: [41, 68, 70] Generated Node #2: [41, 68, 70] from Operation: 82-12=70 Current State: 39:[41, 68, 70], Operations: ['82-12=70'] Exploring Operation: 41+68=109, Resulting Numbers: [70, 109] Generated Node #3: [70, 109] from Operation: 41+68=109 Current State: 39:[70, 109], Operations: ['82-12=70', '41+68=109'] Exploring Operation: 109-70=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[82, 12, 41, 68], Operations: [] Exploring Operation: 82-68=14, Resulting Numbers: [12, 41, 14] Generated Node #0,0: 39:[12, 41, 14] Operation: 82-68=14 Exploring Operation: 82/41=2, Resulting Numbers: [12, 68, 2] Generated Node #0,1: 39:[12, 68, 2] Operation: 82/41=2 Exploring Operation: 68-41=27, Resulting Numbers: [82, 12, 27] Generated Node #0,2: 39:[82, 12, 27] Operation: 68-41=27 Exploring Operation: 82-41=41, Resulting Numbers: [12, 68, 41] Generated Node #0,3: 39:[12, 68, 41] Operation: 82-41=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[12, 41, 14], Operations: ['82-68=14'] Exploring Operation: 41-12=29, Resulting Numbers: [14, 29] Generated Node #0,0,0: 39:[14, 29] Operation: 41-12=29 Exploring Operation: 14-12=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 39:[41, 2] Operation: 14-12=2 Exploring Operation: 12+41=53, Resulting Numbers: [14, 53] Generated Node #0,0,2: 39:[14, 53] Operation: 12+41=53 Exploring Operation: 41-14=27, Resulting Numbers: [12, 27] Generated Node #0,0,3: 39:[12, 27] Operation: 41-14=27 Moving to Node #0,0,1 Current State: 39:[41, 2], Operations: ['82-68=14', '14-12=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[82, 12, 41, 68], Operations: [] Exploring Operation: 82-68=14, Resulting Numbers: [12, 41, 14] Generated Node #0,0: 39:[12, 41, 14] Operation: 82-68=14 Moving to Node #0,0 Current State: 39:[12, 41, 14], Operations: ['82-68=14'] Exploring Operation: 14-12=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 39:[41, 2] Operation: 14-12=2 Moving to Node #0,0,1 Current State: 39:[41, 2], Operations: ['82-68=14', '14-12=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 92, 43, 75, 69 ]
57
[ "92*75=6900", "6900/69=100", "100-43=57" ]
Current State: 57:[92, 43, 75, 69], Operations: [] Exploring Operation: 92*75=6900, Resulting Numbers: [43, 69, 6900] Generated Node #2: [43, 69, 6900] from Operation: 92*75=6900 Current State: 57:[43, 69, 6900], Operations: ['92*75=6900'] Exploring Operation: 6900/69=100, Resulting Numbers: [43, 100] Generated Node #3: [43, 100] from Operation: 6900/69=100 Current State: 57:[43, 100], Operations: ['92*75=6900', '6900/69=100'] Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[92, 43, 75, 69], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [43, 69, 17] Generated Node #0,0: 57:[43, 69, 17] Operation: 92-75=17 Exploring Operation: 92-43=49, Resulting Numbers: [75, 69, 49] Generated Node #0,1: 57:[75, 69, 49] Operation: 92-43=49 Exploring Operation: 92-69=23, Resulting Numbers: [43, 75, 23] Generated Node #0,2: 57:[43, 75, 23] Operation: 92-69=23 Moving to Node #0,0 Current State: 57:[43, 69, 17], Operations: ['92-75=17'] Exploring Operation: 69-43=26, Resulting Numbers: [17, 26] Generated Node #0,0,0: 57:[17, 26] Operation: 69-43=26 Exploring Operation: 43+17=60, Resulting Numbers: [69, 60] Generated Node #0,0,1: 57:[69, 60] Operation: 43+17=60 Exploring Operation: 43-17=26, Resulting Numbers: [69, 26] Generated Node #0,0,2: 57:[69, 26] Operation: 43-17=26 Moving to Node #0,2 Current State: 57:[43, 75, 23], Operations: ['92-69=23'] Exploring Operation: 75-43=32, Resulting Numbers: [23, 32] Generated Node #0,2,0: 57:[23, 32] Operation: 75-43=32 Exploring Operation: 75-23=52, Resulting Numbers: [43, 52] Generated Node #0,2,1: 57:[43, 52] Operation: 75-23=52 Exploring Operation: 43-23=20, Resulting Numbers: [75, 20] Generated Node #0,2,2: 57:[75, 20] Operation: 43-23=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[23, 32], Operations: ['92-69=23', '75-43=32'] Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[43, 52], Operations: ['92-69=23', '75-23=52'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 43*52=2236, Resulting Numbers: [2236] 2236,57 unequal: No Solution Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[75, 20], Operations: ['92-69=23', '43-23=20'] Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,57 unequal: No Solution Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,57 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: 57:[75, 69, 49], Operations: ['92-43=49'] Exploring Operation: 69-49=20, Resulting Numbers: [75, 20] Generated Node #0,1,0: 57:[75, 20] Operation: 69-49=20 Exploring Operation: 75-69=6, Resulting Numbers: [49, 6] Generated Node #0,1,1: 57:[49, 6] Operation: 75-69=6 Exploring Operation: 75-49=26, Resulting Numbers: [69, 26] Generated Node #0,1,2: 57:[69, 26] Operation: 75-49=26 Moving to Node #0,0,0 Current State: 57:[17, 26], Operations: ['92-75=17', '69-43=26'] Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,57 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[49, 6], Operations: ['92-43=49', '75-69=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[69, 60], Operations: ['92-75=17', '43+17=60'] Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,57 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,57 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[69, 26], Operations: ['92-75=17', '43-17=26'] Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,57 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[69, 26], Operations: ['92-43=49', '75-49=26'] Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,57 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[75, 20], Operations: ['92-43=49', '69-49=20'] Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,57 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 57, 11, 59, 72 ]
81
[ "57+11=68", "72-59=13", "68+13=81" ]
Current State: 81:[57, 11, 59, 72], Operations: [] Exploring Operation: 57+11=68, Resulting Numbers: [59, 72, 68] Generated Node #2: [59, 72, 68] from Operation: 57+11=68 Current State: 81:[59, 72, 68], Operations: ['57+11=68'] Exploring Operation: 72-59=13, Resulting Numbers: [68, 13] Generated Node #3: [68, 13] from Operation: 72-59=13 Current State: 81:[68, 13], Operations: ['57+11=68', '72-59=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[57, 11, 59, 72], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [11, 72, 2] Generated Node #0,0: 81:[11, 72, 2] Operation: 59-57=2 Exploring Operation: 72-57=15, Resulting Numbers: [11, 59, 15] Generated Node #0,1: 81:[11, 59, 15] Operation: 72-57=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[11, 72, 2], Operations: ['59-57=2'] Exploring Operation: 11-2=9, Resulting Numbers: [72, 9] Generated Node #0,0,0: 81:[72, 9] Operation: 11-2=9 Exploring Operation: 11+72=83, Resulting Numbers: [2, 83] Generated Node #0,0,1: 81:[2, 83] Operation: 11+72=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[2, 83], Operations: ['59-57=2', '11+72=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[57, 11, 59, 72], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [11, 72, 2] Generated Node #0,0: 81:[11, 72, 2] Operation: 59-57=2 Moving to Node #0,0 Current State: 81:[11, 72, 2], Operations: ['59-57=2'] Exploring Operation: 11+72=83, Resulting Numbers: [2, 83] Generated Node #0,0,1: 81:[2, 83] Operation: 11+72=83 Moving to Node #0,0,1 Current State: 81:[2, 83], Operations: ['59-57=2', '11+72=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 98, 2, 10, 86 ]
90
[ "98-10=88", "2*88=176", "176-86=90" ]
Current State: 90:[98, 2, 10, 86], Operations: [] Exploring Operation: 98-10=88, Resulting Numbers: [2, 86, 88] Generated Node #2: [2, 86, 88] from Operation: 98-10=88 Current State: 90:[2, 86, 88], Operations: ['98-10=88'] Exploring Operation: 2*88=176, Resulting Numbers: [86, 176] Generated Node #3: [86, 176] from Operation: 2*88=176 Current State: 90:[86, 176], Operations: ['98-10=88', '2*88=176'] Exploring Operation: 176-86=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[98, 2, 10, 86], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [2, 10, 12] Generated Node #0,0: 90:[2, 10, 12] Operation: 98-86=12 Moving to Node #0,0 Current State: 90:[2, 10, 12], Operations: ['98-86=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10, 10] Generated Node #0,0,0: 90:[10, 10] Operation: 12-2=10 Moving to Node #0,0,0 Current State: 90:[10, 10], Operations: ['98-86=12', '12-2=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 23, 58, 31, 70 ]
55
[ "23+70=93", "93/31=3", "58-3=55" ]
Current State: 55:[23, 58, 31, 70], Operations: [] Exploring Operation: 23+70=93, Resulting Numbers: [58, 31, 93] Generated Node #2: [58, 31, 93] from Operation: 23+70=93 Current State: 55:[58, 31, 93], Operations: ['23+70=93'] Exploring Operation: 93/31=3, Resulting Numbers: [58, 3] Generated Node #3: [58, 3] from Operation: 93/31=3 Current State: 55:[58, 3], Operations: ['23+70=93', '93/31=3'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[23, 58, 31, 70], Operations: [] Exploring Operation: 70-23=47, Resulting Numbers: [58, 31, 47] Generated Node #0,0: 55:[58, 31, 47] Operation: 70-23=47 Exploring Operation: 70-31=39, Resulting Numbers: [23, 58, 39] Generated Node #0,1: 55:[23, 58, 39] Operation: 70-31=39 Exploring Operation: 23+31=54, Resulting Numbers: [58, 70, 54] Generated Node #0,2: 55:[58, 70, 54] Operation: 23+31=54 Exploring Operation: 31-23=8, Resulting Numbers: [58, 70, 8] Generated Node #0,3: 55:[58, 70, 8] Operation: 31-23=8 Moving to Node #0,2 Current State: 55:[58, 70, 54], Operations: ['23+31=54'] Exploring Operation: 58-54=4, Resulting Numbers: [70, 4] Generated Node #0,2,0: 55:[70, 4] Operation: 58-54=4 Exploring Operation: 70-54=16, Resulting Numbers: [58, 16] Generated Node #0,2,1: 55:[58, 16] Operation: 70-54=16 Exploring Operation: 58+54=112, Resulting Numbers: [70, 112] Generated Node #0,2,2: 55:[70, 112] Operation: 58+54=112 Exploring Operation: 70-58=12, Resulting Numbers: [54, 12] Generated Node #0,2,3: 55:[54, 12] Operation: 70-58=12 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[54, 12], Operations: ['23+31=54', '70-58=12'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[58, 16], Operations: ['23+31=54', '70-54=16'] Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,55 unequal: No Solution Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[70, 4], Operations: ['23+31=54', '58-54=4'] Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,55 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,55 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[70, 112], Operations: ['23+31=54', '58+54=112'] Exploring Operation: 70+112=182, Resulting Numbers: [182] 182,55 unequal: No Solution Exploring Operation: 70*112=7840, Resulting Numbers: [7840] 7840,55 unequal: No Solution Exploring Operation: 112-70=42, Resulting Numbers: [42] 42,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 55:[58, 70, 8], Operations: ['31-23=8'] Exploring Operation: 70-8=62, Resulting Numbers: [58, 62] Generated Node #0,3,0: 55:[58, 62] Operation: 70-8=62 Exploring Operation: 70-58=12, Resulting Numbers: [8, 12] Generated Node #0,3,1: 55:[8, 12] Operation: 70-58=12 Exploring Operation: 58+8=66, Resulting Numbers: [70, 66] Generated Node #0,3,2: 55:[70, 66] Operation: 58+8=66 Exploring Operation: 58-8=50, Resulting Numbers: [70, 50] Generated Node #0,3,3: 55:[70, 50] Operation: 58-8=50 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[8, 12], Operations: ['31-23=8', '70-58=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,55 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[58, 62], Operations: ['31-23=8', '70-8=62'] Exploring Operation: 58+62=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 58*62=3596, Resulting Numbers: [3596] 3596,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[70, 50], Operations: ['31-23=8', '58-8=50'] Exploring Operation: 70+50=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 70*50=3500, Resulting Numbers: [3500] 3500,55 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[70, 66], Operations: ['31-23=8', '58+8=66'] Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,55 unequal: No Solution Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,55 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,55 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: 55:[23, 58, 39], Operations: ['70-31=39'] Exploring Operation: 58-39=19, Resulting Numbers: [23, 19] Generated Node #0,1,0: 55:[23, 19] Operation: 58-39=19 Exploring Operation: 58-23=35, Resulting Numbers: [39, 35] Generated Node #0,1,1: 55:[39, 35] Operation: 58-23=35 Exploring Operation: 23+39=62, Resulting Numbers: [58, 62] Generated Node #0,1,2: 55:[58, 62] Operation: 23+39=62 Exploring Operation: 39-23=16, Resulting Numbers: [58, 16] Generated Node #0,1,3: 55:[58, 16] Operation: 39-23=16 Moving to Node #0,0 Current State: 55:[58, 31, 47], Operations: ['70-23=47'] Exploring Operation: 31+47=78, Resulting Numbers: [58, 78] Generated Node #0,0,0: 55:[58, 78] Operation: 31+47=78 Exploring Operation: 58-47=11, Resulting Numbers: [31, 11] Generated Node #0,0,1: 55:[31, 11] Operation: 58-47=11 Exploring Operation: 47-31=16, Resulting Numbers: [58, 16] Generated Node #0,0,2: 55:[58, 16] Operation: 47-31=16 Exploring Operation: 58-31=27, Resulting Numbers: [47, 27] Generated Node #0,0,3: 55:[47, 27] Operation: 58-31=27 Moving to Node #0,1,3 Current State: 55:[58, 16], Operations: ['70-31=39', '39-23=16'] Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,55 unequal: No Solution Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[58, 16], Operations: ['70-23=47', '47-31=16'] Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,55 unequal: No Solution Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[58, 62], Operations: ['70-31=39', '23+39=62'] Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 58*62=3596, Resulting Numbers: [3596] 3596,55 unequal: No Solution Exploring Operation: 58+62=120, Resulting Numbers: [120] 120,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[23, 19], Operations: ['70-31=39', '58-39=19'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[31, 11], Operations: ['70-23=47', '58-47=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,55 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[47, 27], Operations: ['70-23=47', '58-31=27'] Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 47+27=74, Resulting Numbers: [74] 74,55 unequal: No Solution Exploring Operation: 47*27=1269, Resulting Numbers: [1269] 1269,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[58, 78], Operations: ['70-23=47', '31+47=78'] Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 58*78=4524, Resulting Numbers: [4524] 4524,55 unequal: No Solution Exploring Operation: 58+78=136, Resulting Numbers: [136] 136,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[39, 35], Operations: ['70-31=39', '58-23=35'] Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,55 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,55 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 14, 18, 39, 8 ]
15
[ "14+18=32", "39+8=47", "47-32=15" ]
Current State: 15:[14, 18, 39, 8], Operations: [] Exploring Operation: 14+18=32, Resulting Numbers: [39, 8, 32] Generated Node #2: [39, 8, 32] from Operation: 14+18=32 Current State: 15:[39, 8, 32], Operations: ['14+18=32'] Exploring Operation: 39+8=47, Resulting Numbers: [32, 47] Generated Node #3: [32, 47] from Operation: 39+8=47 Current State: 15:[32, 47], Operations: ['14+18=32', '39+8=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[14, 18, 39, 8], Operations: [] Exploring Operation: 39-18=21, Resulting Numbers: [14, 8, 21] Generated Node #0,0: 15:[14, 8, 21] Operation: 39-18=21 Exploring Operation: 39-14=25, Resulting Numbers: [18, 8, 25] Generated Node #0,1: 15:[18, 8, 25] Operation: 39-14=25 Exploring Operation: 39-8=31, Resulting Numbers: [14, 18, 31] Generated Node #0,2: 15:[14, 18, 31] Operation: 39-8=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[14, 8, 21], Operations: ['39-18=21'] Exploring Operation: 21-8=13, Resulting Numbers: [14, 13] Generated Node #0,0,0: 15:[14, 13] Operation: 21-8=13 Exploring Operation: 21-14=7, Resulting Numbers: [8, 7] Generated Node #0,0,1: 15:[8, 7] Operation: 21-14=7 Exploring Operation: 14-8=6, Resulting Numbers: [21, 6] Generated Node #0,0,2: 15:[21, 6] Operation: 14-8=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[14, 13], Operations: ['39-18=21', '21-8=13'] Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,15 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,15 unequal: No Solution No 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: 15:[8, 7], Operations: ['39-18=21', '21-14=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[14, 18, 39, 8], Operations: [] Exploring Operation: 39-18=21, Resulting Numbers: [14, 8, 21] Generated Node #0,0: 15:[14, 8, 21] Operation: 39-18=21 Moving to Node #0,0 Current State: 15:[14, 8, 21], Operations: ['39-18=21'] Exploring Operation: 21-14=7, Resulting Numbers: [8, 7] Generated Node #0,0,1: 15:[8, 7] Operation: 21-14=7 Moving to Node #0,0,1 Current State: 15:[8, 7], Operations: ['39-18=21', '21-14=7'] Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 49, 49, 46, 36 ]
10
[ "49-49=0", "46-36=10", "0+10=10" ]
Current State: 10:[49, 49, 46, 36], Operations: [] Exploring Operation: 49-49=0, Resulting Numbers: [46, 36, 0] Generated Node #2: [46, 36, 0] from Operation: 49-49=0 Current State: 10:[46, 36, 0], Operations: ['49-49=0'] Exploring Operation: 46-36=10, Resulting Numbers: [0, 10] Generated Node #3: [0, 10] from Operation: 46-36=10 Current State: 10:[0, 10], Operations: ['49-49=0', '46-36=10'] Exploring Operation: 0+10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[49, 49, 46, 36], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [49, 36, 3] Generated Node #0,0: 10:[49, 36, 3] Operation: 49-46=3 Exploring Operation: 49-46=3, Resulting Numbers: [49, 36, 3] Generated Node #0,1: 10:[49, 36, 3] Operation: 49-46=3 Exploring Operation: 49-49=0, Resulting Numbers: [46, 36, 0] Generated Node #0,2: 10:[46, 36, 0] Operation: 49-49=0 Exploring Operation: 49/49=1, Resulting Numbers: [46, 36, 1] Generated Node #0,3: 10:[46, 36, 1] Operation: 49/49=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[46, 36, 1], Operations: ['49/49=1'] Exploring Operation: 46-36=10, Resulting Numbers: [1, 10] Generated Node #0,3,0: 10:[1, 10] Operation: 46-36=10 Exploring Operation: 36-1=35, Resulting Numbers: [46, 35] Generated Node #0,3,1: 10:[46, 35] Operation: 36-1=35 Exploring Operation: 46-1=45, Resulting Numbers: [36, 45] Generated Node #0,3,2: 10:[36, 45] Operation: 46-1=45 Exploring Operation: 46*1=46, Resulting Numbers: [36, 46] Generated Node #0,3,3: 10:[36, 46] Operation: 46*1=46 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 10:[1, 10], Operations: ['49/49=1', '46-36=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[49, 49, 46, 36], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [46, 36, 1] Generated Node #0,3: 10:[46, 36, 1] Operation: 49/49=1 Moving to Node #0,3 Current State: 10:[46, 36, 1], Operations: ['49/49=1'] Exploring Operation: 46-36=10, Resulting Numbers: [1, 10] Generated Node #0,3,0: 10:[1, 10] Operation: 46-36=10 Moving to Node #0,3,0 Current State: 10:[1, 10], Operations: ['49/49=1', '46-36=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 76, 15, 52, 92 ]
21
[ "76-15=61", "92-52=40", "61-40=21" ]
Current State: 21:[76, 15, 52, 92], Operations: [] Exploring Operation: 76-15=61, Resulting Numbers: [52, 92, 61] Generated Node #2: [52, 92, 61] from Operation: 76-15=61 Current State: 21:[52, 92, 61], Operations: ['76-15=61'] Exploring Operation: 92-52=40, Resulting Numbers: [61, 40] Generated Node #3: [61, 40] from Operation: 92-52=40 Current State: 21:[61, 40], Operations: ['76-15=61', '92-52=40'] Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[76, 15, 52, 92], Operations: [] Exploring Operation: 92-52=40, Resulting Numbers: [76, 15, 40] Generated Node #0,0: 21:[76, 15, 40] Operation: 92-52=40 Exploring Operation: 76-15=61, Resulting Numbers: [52, 92, 61] Generated Node #0,1: 21:[52, 92, 61] Operation: 76-15=61 Exploring Operation: 92-76=16, Resulting Numbers: [15, 52, 16] Generated Node #0,2: 21:[15, 52, 16] Operation: 92-76=16 Exploring Operation: 76-52=24, Resulting Numbers: [15, 92, 24] Generated Node #0,3: 21:[15, 92, 24] Operation: 76-52=24 Moving to Node #0,2 Current State: 21:[15, 52, 16], Operations: ['92-76=16'] Exploring Operation: 15+16=31, Resulting Numbers: [52, 31] Generated Node #0,2,0: 21:[52, 31] Operation: 15+16=31 Exploring Operation: 52-15=37, Resulting Numbers: [16, 37] Generated Node #0,2,1: 21:[16, 37] Operation: 52-15=37 Exploring Operation: 16-15=1, Resulting Numbers: [52, 1] Generated Node #0,2,2: 21:[52, 1] Operation: 16-15=1 Exploring Operation: 52-16=36, Resulting Numbers: [15, 36] Generated Node #0,2,3: 21:[15, 36] Operation: 52-16=36 Moving to Node #0,3 Current State: 21:[15, 92, 24], Operations: ['76-52=24'] Exploring Operation: 24-15=9, Resulting Numbers: [92, 9] Generated Node #0,3,0: 21:[92, 9] Operation: 24-15=9 Exploring Operation: 92-24=68, Resulting Numbers: [15, 68] Generated Node #0,3,1: 21:[15, 68] Operation: 92-24=68 Exploring Operation: 15+92=107, Resulting Numbers: [24, 107] Generated Node #0,3,2: 21:[24, 107] Operation: 15+92=107 Exploring Operation: 92-15=77, Resulting Numbers: [24, 77] Generated Node #0,3,3: 21:[24, 77] Operation: 92-15=77 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 21:[15, 68], Operations: ['76-52=24', '92-24=68'] Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,21 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,21 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 21:[24, 77], Operations: ['76-52=24', '92-15=77'] Exploring Operation: 24+77=101, Resulting Numbers: [101] 101,21 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,21 unequal: No Solution Exploring Operation: 24*77=1848, Resulting Numbers: [1848] 1848,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[92, 9], Operations: ['76-52=24', '24-15=9'] Exploring Operation: 92*9=828, Resulting Numbers: [828] 828,21 unequal: No Solution Exploring Operation: 92+9=101, Resulting Numbers: [101] 101,21 unequal: No Solution Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 21:[24, 107], Operations: ['76-52=24', '15+92=107'] Exploring Operation: 107-24=83, Resulting Numbers: [83] 83,21 unequal: No Solution Exploring Operation: 24+107=131, Resulting Numbers: [131] 131,21 unequal: No Solution Exploring Operation: 24*107=2568, Resulting Numbers: [2568] 2568,21 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: 21:[76, 15, 40], Operations: ['92-52=40'] Exploring Operation: 76-15=61, Resulting Numbers: [40, 61] Generated Node #0,0,0: 21:[40, 61] Operation: 76-15=61 Exploring Operation: 40-15=25, Resulting Numbers: [76, 25] Generated Node #0,0,1: 21:[76, 25] Operation: 40-15=25 Exploring Operation: 76+15=91, Resulting Numbers: [40, 91] Generated Node #0,0,2: 21:[40, 91] Operation: 76+15=91 Exploring Operation: 76-40=36, Resulting Numbers: [15, 36] Generated Node #0,0,3: 21:[15, 36] Operation: 76-40=36 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 21:[15, 36], Operations: ['92-52=40', '76-40=36'] Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,21 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[76, 15, 52, 92], Operations: [] Exploring Operation: 92-52=40, Resulting Numbers: [76, 15, 40] Generated Node #0,0: 21:[76, 15, 40] Operation: 92-52=40 Moving to Node #0,0 Current State: 21:[76, 15, 40], Operations: ['92-52=40'] Exploring Operation: 76-40=36, Resulting Numbers: [15, 36] Generated Node #0,0,3: 21:[15, 36] Operation: 76-40=36 Moving to Node #0,0,3 Current State: 21:[15, 36], Operations: ['92-52=40', '76-40=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 12, 11, 35, 6 ]
41
[ "12-11=1", "35+6=41", "1*41=41" ]
Current State: 41:[12, 11, 35, 6], Operations: [] Exploring Operation: 12-11=1, Resulting Numbers: [35, 6, 1] Generated Node #2: [35, 6, 1] from Operation: 12-11=1 Current State: 41:[35, 6, 1], Operations: ['12-11=1'] Exploring Operation: 35+6=41, Resulting Numbers: [1, 41] Generated Node #3: [1, 41] from Operation: 35+6=41 Current State: 41:[1, 41], Operations: ['12-11=1', '35+6=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[12, 11, 35, 6], Operations: [] Exploring Operation: 12+11=23, Resulting Numbers: [35, 6, 23] Generated Node #0,0: 41:[35, 6, 23] Operation: 12+11=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[35, 6, 23], Operations: ['12+11=23'] Exploring Operation: 35+6=41, Resulting Numbers: [23, 41] Generated Node #0,0,0: 41:[23, 41] Operation: 35+6=41 Moving to Node #0,0,0 Current State: 41:[23, 41], Operations: ['12+11=23', '35+6=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 35, 27, 42, 91 ]
98
[ "42-35=7", "27*7=189", "189-91=98" ]
Current State: 98:[35, 27, 42, 91], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [27, 91, 7] Generated Node #2: [27, 91, 7] from Operation: 42-35=7 Current State: 98:[27, 91, 7], Operations: ['42-35=7'] Exploring Operation: 27*7=189, Resulting Numbers: [91, 189] Generated Node #3: [91, 189] from Operation: 27*7=189 Current State: 98:[91, 189], Operations: ['42-35=7', '27*7=189'] Exploring Operation: 189-91=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[35, 27, 42, 91], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [42, 91, 8] Generated Node #0,0: 98:[42, 91, 8] Operation: 35-27=8 Moving to Node #0,0 Current State: 98:[42, 91, 8], Operations: ['35-27=8'] Exploring Operation: 91-42=49, Resulting Numbers: [8, 49] Generated Node #0,0,0: 98:[8, 49] Operation: 91-42=49 Moving to Node #0,0,0 Current State: 98:[8, 49], Operations: ['35-27=8', '91-42=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,98 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 61, 5, 57, 68 ]
69
[ "61-5=56", "57+68=125", "125-56=69" ]
Current State: 69:[61, 5, 57, 68], Operations: [] Exploring Operation: 61-5=56, Resulting Numbers: [57, 68, 56] Generated Node #2: [57, 68, 56] from Operation: 61-5=56 Current State: 69:[57, 68, 56], Operations: ['61-5=56'] Exploring Operation: 57+68=125, Resulting Numbers: [56, 125] Generated Node #3: [56, 125] from Operation: 57+68=125 Current State: 69:[56, 125], Operations: ['61-5=56', '57+68=125'] Exploring Operation: 125-56=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[61, 5, 57, 68], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [5, 68, 4] Generated Node #0,0: 69:[5, 68, 4] Operation: 61-57=4 Moving to Node #0,0 Current State: 69:[5, 68, 4], Operations: ['61-57=4'] Exploring Operation: 5-4=1, Resulting Numbers: [68, 1] Generated Node #0,0,0: 69:[68, 1] Operation: 5-4=1 Moving to Node #0,0,0 Current State: 69:[68, 1], Operations: ['61-57=4', '5-4=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[61, 5, 57, 68], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [5, 68, 4] Generated Node #0,0: 69:[5, 68, 4] Operation: 61-57=4 Moving to Node #0,0 Current State: 69:[5, 68, 4], Operations: ['61-57=4'] Exploring Operation: 5-4=1, Resulting Numbers: [68, 1] Generated Node #0,0,0: 69:[68, 1] Operation: 5-4=1 Moving to Node #0,0,0 Current State: 69:[68, 1], Operations: ['61-57=4', '5-4=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.993924
hs_1
mult_heuristic